服(Fu)务(Wu)范(Fan)围(Wei)
产(Chan)品(Pin)名(Ming)称(Cheng):(?)混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)劳(Lao)务(Wu)分(Fen)包(Bao)
产(Chan)品(Pin)详(Xiang)情(Qing)
混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)
混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)劳(Lao)务(Wu)分(Fen)包(Bao)|南(Nan)昌(Chang)混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)劳(Lao)务(Wu)|抚(Fu)州(Zhou)混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)|南(Nan)昌(Chang)建(Jian)筑(Zhu)混(Hun)凝(Ning)土(Tu)承(Cheng)包(Bao)|江(Jiang)西(Xi)混(Hun)凝(Ning)土(Tu)劳(Lao)务(Wu)分(Fen)包(Bao)-混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)劳(Lao)务(Wu)分(Fen)包(Bao)|南(Nan)昌(Chang)混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)劳(Lao)务(Wu)|抚(Fu)州(Zhou)混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)|南(Nan)昌(Chang)建(Jian)筑(Zhu)混(Hun)凝(Ning)土(Tu)承(Cheng)包(Bao)|江(Jiang)西(Xi)混(Hun)凝(Ning)土(Tu)劳(Lao)务(Wu)分(Fen)包(Bao)
江(Jiang)西(Xi)固(Gu)特(Te)建(Jian)筑(Zhu)劳(Lao)务(Wu)有(You)限(Xian)公(Gong)司(Si)是(Shi)一(Yi)家(Jia)专(Zhuan)业(Ye)从(Cong)事(Shi)混(Hun)凝(Ning)土(Tu)工(Gong)程(Cheng)施(Shi)工(Gong)的(De)单(Dan)位(Wei)。(?)有(You)着(Zhuo)专(Zhuan)业(Ye)的(De)施(Shi)工(Gong)团(Tuan)队(Dui)以(Yi)及(Ji)丰(Feng)富(Fu)的(De)施(Shi)工(Gong)经(Jing)验(Yan)。(?)从(Cong)混(Hun)凝(Ning)土(Tu)工(Gong)程(Cheng)前(Qian)期(Qi)的(De)模(Mo)板(Ban)配(Pei)制(Zhi)、(?)钢(Gang)筋(Jin)绑(Bang)扎(Zha)、(?)混(Hun)凝(Ning)土(Tu)浇(Jiao)筑(Zhu)开(Kai)始(Shi)到(Dao)后(Hou)期(Qi)的(De)混(Hun)凝(Ning)土(Tu)成(Cheng)品(Pin)保(Bao)护(Hu)和(He)混(Hun)凝(Ning)土(Tu)涂(Tu)装(Zhuang)等(Deng)都(Du)有(You)专(Zhuan)业(Ye)的(De)人(Ren)员(Yuan)进(Jin)行(Xing)施(Shi)工(Gong),(?)形(Xing)成(Cheng)了(Liao)一(Yi)条(Tiao)龙(Long)的(De)专(Zhuan)业(Ye)施(Shi)工(Gong)服(Fu)务(Wu)体(Ti)系(Xi),(?)在(Zai)国(Guo)内(Nei)同(Tong)行(Xing)业(Ye)处(Chu)于(Yu)地(Di)位(Wei)。(?)
我(Wo)们(Men)*在(Zai)国(Guo)内(Nei)采(Cai)用(Yong)模(Mo)板(Ban)散(San)拼(Pin)技(Ji)术(Shu)解(Jie)决(Jue)了(Liao)混(Hun)凝(Ning)土(Tu)工(Gong)程(Cheng)结(Jie)构(Gou)施(Shi)工(Gong)中(Zhong)的(De)诸(Zhu)多(Duo)难(Nan)题(Ti),(?)为(Wei)业(Ye)主(Zhu)节(Jie)省(Sheng)开(Kai)支(Zhi)`降(Jiang)低(Di)了(Liao)施(Shi)工(Gong)成(Cheng)本(Ben)。(?)自(Zi)主(Zhu)研(Yan)发(Fa)了(Liao)混(Hun)凝(Ning)土(Tu)工(Gong)程(Cheng)应(Ying)用(Yong)的(De)多(Duo)项(Xiang)施(Shi)工(Gong)技(Ji)术(Shu),(?)在(Zai)业(Ye)内(Nei)深(Shen)受(Shou)广(Guang)大(Da)消(Xiao)费(Fei)者(Zhe)欢(Huan)迎(Ying)。(?)
我(Wo)们(Men)本(Ben)着(Zhuo)一(Yi)切(Qie)为(Wei)用(Yong)户(Hu)服(Fu)务(Wu)的(De)宗(Zong)旨(Zhi),(?)自(Zi)觉(Jue)做(Zuo)到(Dao)重(Zhong)合(He)同(Tong),(?)守(Shou)信(Xin)誉(Yu)把(Ba)企(Qi)业(Ye)效(Xiao)益(Yi)和(He)社(She)会(Hui)效(Xiao)益(Yi)结(Jie)合(He)起(Qi)来(Lai),(?)并(Bing)使(Shi)之(Zhi)逐(Zhu)年(Nian)提(Ti)高(Gao),(?)制(Zhi)定(Ding)和(He)完(Wan)善(Shan)了(Liao)一(Yi)系(Xi)列(Lie)的(De)规(Gui)章(Zhang)制(Zhi)度(Du),(?)有(You)力(Li)地(Di)保(Bao)证(Zheng)了(Liao)工(Gong)程(Cheng)建(Jian)设(She)的(De)顺(Shun)利(Li)进(Jin)行(Xing)。(?)
原(Yuan)材(Cai)料(Liao)要(Yao)求(Qiu):(?) 南(Nan)昌(Chang)混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)劳(Lao)务(Wu) 抚(Fu)州(Zhou)混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye) 南(Nan)昌(Chang)建(Jian)筑(Zhu)混(Hun)凝(Ning)土(Tu)承(Cheng)包(Bao) 江(Jiang)西(Xi)混(Hun)凝(Ning)土(Tu)劳(Lao)务(Wu)分(Fen)包(Bao)
1、(?)水(Shui)泥(Ni)
选(Xuan)用(Yong)水(Shui)泥(Ni)时(Shi),(?)应(Ying)注(Zhu)意(Yi)其(Qi)特(Te)性(Xing)对(Dui)混(Hun)凝(Ning)土(Tu)结(Jie)构(Gou)强(Qiang)度(Du)、(?)耐(Nai)久(Jiu)性(Xing)和(He)使(Shi)用(Yong)条(Tiao)件(Jian)是(Shi)否(Fou)有(You)不(Bu)利(Li)影(Ying)响(Xiang)。(?)
水(Shui)泥(Ni)应(Ying)符(Fu)合(He)现(Xian)行(Xing)国(Guo)家(Jia)标(Biao)准(Zhun),(?)并(Bing)附(Fu)有(You)制(Zhi)造(Zao)厂(Chang)的(De)水(Shui)泥(Ni)品(Pin)质(Zhi)试(Shi)验(Yan)报(Bao)告(Gao)等(Deng)合(He)格(Ge)证(Zheng)明(Ming)文(Wen)件(Jian)。(?)水(Shui)泥(Ni)进(Jin)场(Chang)后(Hou),(?)应(Ying)按(An)其(Qi)品(Pin)种(Zhong)、(?)强(Qiang)度(Du)、(?)证(Zheng)明(Ming)文(Wen)件(Jian)以(Yi)及(Ji)出(Chu)厂(Chang)时(Shi)间(Jian)等(Deng)情(Qing)况(Kuang)分(Fen)批(Pi)进(Jin)行(Xing)抽(Chou)查(Cha)试(Shi)验(Yan)。(?)
袋(Dai)装(Zhuang)水(Shui)泥(Ni)在(Zai)运(Yun)输(Shu)和(He)储(Chu)存(Cun)时(Shi)应(Ying)防(Fang)止(Zhi)受(Shou)潮(Chao),(?)堆(Dui)垛(Duo)高(Gao)度(Du)不(Bu)宜(Yi)超(Chao)过(Guo)10袋(Dai)。(?)不(Bu)同(Tong)强(Qiang)度(Du)等(Deng)级(Ji)、(?)品(Pin)种(Zhong)和(He)出(Chu)厂(Chang)日(Ri)期(Qi)的(De)水(Shui)泥(Ni)应(Ying)分(Fen)别(Bie)堆(Dui)放(Fang)。(?)
散(San)装(Zhuang)水(Shui)泥(Ni)的(De)储(Chu)存(Cun),(?)应(Ying)尽(Jin)可(Ke)能(Neng)采(Cai)用(Yong)水(Shui)泥(Ni)罐(Guan)或(Huo)散(San)装(Zhuang)水(Shui)泥(Ni)仓(Cang)库(Ku)。(?)
2、(?)细(Xi)骨(Gu)料(Liao)
混(Hun)凝(Ning)土(Tu)的(De)细(Xi)骨(Gu)料(Liao)采(Cai)用(Yong)河(He)砂(Sha),(?)砂(Sha)中(Zhong)杂(Za)质(Zhi)的(De)含(Han)量(Liang)不(Bu)宜(Yi)超(Chao)过(Guo)下(Xia)表(Biao)的(De)规(Gui)定(Ding):(?)
项(Xiang) 目(Mu) ≥(?)C30的(De)混(Hun)凝(Ning)土(Tu) <(?)C30的(De)混(Hun)凝(Ning)土(Tu)
含(Han)泥(Ni)量(Liang)((?)%(?))(?) ≤(?)3 ≤(?)5
其(Qi)中(Zhong)泥(Ni)块(Kuai)含(Han)量(Liang)((?)%(?))(?) ≤(?)1 ≤(?)2
云(Yun)母(Mu)含(Han)量(Liang)((?)%(?))(?) <(?)2
轻(Qing)物(Wu)质(Zhi)含(Han)量(Liang)((?)%(?))(?) <(?)1
硫(Liu)化(Hua)氢(Qing)及(Ji)硫(Liu)酸(Suan)盐(Yan)折(Zhe)算(Suan)为(Wei)SO3((?)%(?))(?) <(?)1
有(You)机(Ji)质(Zhi)含(Han)量(Liang)((?)用(Yong)比(Bi)色(Se)法(Fa)试(Shi)验(Yan))(?) 颜(Yan)色(Se)不(Bu)应(Ying)深(Shen)于(Yu)标(Biao)准(Zhun)色(Se),(?)如(Ru)深(Shen)于(Yu)标(Biao)准(Zhun)色(Se),(?)应(Ying)以(Yi)水(Shui)泥(Ni)砂(Sha)浆(Jiang)进(Jin)行(Xing)抗(Kang)压(Ya)强(Qiang)度(Du)对(Dui)
比(Bi)试(Shi)验(Yan),(?)加(Jia)以(Yi)复(Fu)核(He)
3、(?)粗(Cu)骨(Gu)料(Liao)
混(Hun)凝(Ning)土(Tu)的(De)粗(Cu)骨(Gu)料(Liao)采(Cai)用(Yong)连(Lian)续(Xu)级(Ji)配(Pei),(?)粗(Cu)骨(Gu)料(Liao)应(Ying)按(An)产(Chan)地(Di)、(?)类(Lei)别(Bie)、(?)加(Jia)工(Gong)方(Fang)法(Fa)和(He)规(Gui)格(Ge)等(Deng)不(Bu)同(Tong)情(Qing)况(Kuang),(?)分(Fen)批(Pi)进(Jin)行(Xing)检(Jian)验(Yan),(?)机(Ji)械(Xie)集(Ji)中(Zhong)生(Sheng)产(Chan)时(Shi),(?)每(Mei)批(Pi)不(Bu)宜(Yi)超(Chao)过(Guo)400m3;(?)人(Ren)工(Gong)分(Fen)散(San)生(Sheng)产(Chan)时(Shi),(?)每(Mei)批(Pi)不(Bu)宜(Yi)超(Chao)过(Guo)200m3。(?)
骨(Gu)料(Liao)在(Zai)运(Yun)输(Shu)、(?)储(Chu)存(Cun)过(Guo)程(Cheng)中(Zhong),(?)严(Yan)禁(Jin)混(Hun)入(Ru)影(Ying)响(Xiang)混(Hun)凝(Ning)土(Tu)性(Xing)能(Neng)的(De)有(You)害(Hai)物(Wu)质(Zhi)。(?)骨(Gu)料(Liao)应(Ying)按(An)品(Pin)种(Zhong)、(?)规(Gui)格(Ge)分(Fen)别(Bie)堆(Dui)放(Fang),(?)不(Bu)得(De)混(Hun)杂(Za),(?)并(Bing)保(Bao)持(Chi)洁(Jie)净(Jing)。(?)
粗(Cu)骨(Gu)料(Liao)的(De)技(Ji)术(Shu)要(Yao)求(Qiu)
项(Xiang)目(Mu) 混(Hun)凝(Ning)土(Tu)强(Qiang)度(Du)等(Deng)级(Ji)
C55-C40 ≤(?)C35 ≥(?)C30 <(?)C30
石(Shi)料(Liao)压(Ya)碎(Sui)指(Zhi)标(Biao)值(Zhi)((?)%(?))(?)
针(Zhen)片(Pian)状(Zhuang)颗(Ke)粒(Li)含(Han)量(Liang)((?)%(?))(?) ≤(?)12
- ≤(?)16
- -
≤(?)15 -
≤(?)25
含(Han)泥(Ni)量(Liang)((?)按(An)质(Zhi)量(Liang)计(Ji))(?)((?)%(?))(?) - - ≤(?)1.0 ≤(?)2.0
泥(Ni)块(Kuai)含(Han)量(Liang)((?)按(An)质(Zhi)量(Liang)计(Ji))(?)((?)%(?))(?) - - ≤(?)0.5 ≤(?)0.7
小(Xiao)于(Yu)2.5mm的(De)颗(Ke)粒(Li)含(Han)量(Liang)((?)按(An)质(Zhi)量(Liang)计(Ji))(?)((?)%(?))(?) ≤(?)5 ≤(?)5 ≤(?)5 ≤(?)5
4、(?)拌(Ban)和(He)用(Yong)水(Shui)
拌(Ban)制(Zhi)混(Hun)凝(Ning)土(Tu)采(Cai)用(Yong)饮(Yin)用(Yong)水(Shui),(?)水(Shui)中(Zhong)不(Bu)应(Ying)含(Han)有(You)影(Ying)响(Xiang)水(Shui)泥(Ni)正(Zheng)常(Chang)凝(Ning)结(Jie)与(Yu)硬(Ying)化(Hua)的(De)有(You)害(Hai)杂(Za)质(Zhi)或(Huo)油(You)脂(Zhi)、(?)糖(Tang)类(Lei)等(Deng)。(?)
5、(?)外(Wai)加(Jia)剂(Ji)
根(Gen)据(Ju)外(Wai)加(Jia)剂(Ji)的(De)特(Te)点(Dian),(?)结(Jie)合(He)使(Shi)用(Yong)目(Mu)的(De),(?)通(Tong)过(Guo)技(Ji)术(Shu)、(?)经(Jing)济(Ji)比(Bi)较(Jiao)确(Que)定(Ding)外(Wai)加(Jia)剂(Ji)的(De)使(Shi)用(Yong)品(Pin)种(Zhong)。(?)在(Zai)外(Wai)加(Jia)剂(Ji)的(De)品(Pin)种(Zhong)确(Que)定(Ding)后(Hou),(?)掺(Chan)量(Liang)根(Gen)据(Ju)使(Shi)用(Yong)要(Yao)求(Qiu)、(?)施(Shi)工(Gong)条(Tiao)件(Jian)、(?)混(Hun)凝(Ning)土(Tu)原(Yuan)材(Cai)料(Liao)的(De)变(Bian)化(Hua)进(Jin)行(Xing)调(Diao)整(Zheng)。(?)
二(?)、(?)砼(Tong)配(Pei)合(He)比(Bi):(?)
混(Hun)凝(Ning)土(Tu)的(De)配(Pei)合(He)比(Bi),(?)应(Ying)以(Yi)质(Zhi)量(Liang)比(Bi)计(Ji),(?)并(Bing)应(Ying)通(Tong)过(Guo)设(She)计(Ji)和(He)试(Shi)配(Pei)选(Xuan)定(Ding)。(?)试(Shi)配(Pei)时(Shi)应(Ying)使(Shi)用(Yong)施(Shi)工(Gong)实(Shi)际(Ji)采(Cai)用(Yong)的(De)材(Cai)料(Liao),(?)配(Pei)制(Zhi)的(De)混(Hun)凝(Ning)土(Tu)拌(Ban)和(He)物(Wu)应(Ying)满(Man)足(Zu)和(He)易(Yi)性(Xing)、(?)凝(Ning)结(Jie)速(Su)度(Du)等(Deng)施(Shi)工(Gong)技(Ji)术(Shu)条(Tiao)件(Jian),(?)制(Zhi)成(Cheng)的(De)混(Hun)凝(Ning)土(Tu)应(Ying)符(Fu)合(He)强(Qiang)度(Du)、(?)耐(Nai)久(Jiu)性(Xing)((?)抗(Kang)冻(Dong)、(?)抗(Kang)渗(Shen)、(?)抗(Kang)侵(Qin)蚀(Shi))(?)等(Deng)质(Zhi)量(Liang)要(Yao)求(Qiu)。(?)
通(Tong)过(Guo)设(She)计(Ji)和(He)试(Shi)配(Pei)确(Que)定(Ding)配(Pei)合(He)比(Bi)后(Hou),(?)填(Tian)写(Xie)试(Shi)配(Pei)报(Bao)告(Gao)单(Dan),(?)提(Ti)交(Jiao)监(Jian)理(Li)工(Gong)程(Cheng)师(Shi)批(Pi)准(Zhun)后(Hou)方(Fang)可(Ke)使(Shi)用(Yong)。(?)
三(San)、(?)混(Hun)凝(Ning)土(Tu)拌(Ban)制(Zhi):(?)
混(Hun)凝(Ning)土(Tu)采(Cai)用(Yong)JS750L强(Qiang)制(Zhi)搅(Jiao)拌(Ban)机(Ji)拌(Ban)制(Zhi),(?)拌(Ban)制(Zhi)混(Hun)凝(Ning)土(Tu)采(Cai)用(Yong)自(Zi)动(Dong)计(Ji)量(Liang)上(Shang)料(Liao)装(Zhuang)置(Zhi),(?)每(Mei)盘(Pan)混(Hun)凝(Ning)土(Tu)材(Cai)料(Liao)称(Cheng)量(Liang)允(Yun)许(Xu)偏(Pian)差(Cha)符(Fu)合(He)规(Gui)范(Fan)要(Yao)求(Qiu)。(?)
配(Pei)料(Liao)数(Shu)量(Liang)允(Yun)许(Xu)偏(Pian)差(Cha)
材(Cai)料(Liao)类(Lei)别(Bie) 允(Yun)许(Xu)偏(Pian)差(Cha)((?)%(?))(?)
现(Xian)场(Chang)拌(Ban)制(Zhi) 预(Yu)制(Zhi)场(Chang)或(Huo)集(Ji)中(Zhong)搅(Jiao)拌(Ban)站(Zhan)拌(Ban)制(Zhi)
水(Shui)泥(Ni)、(?)混(Hun)合(He)材(Cai)料(Liao) ±2 ±1
粗(Cu)、(?)细(Xi)骨(Gu)料(Liao) ±3 ±2
水(Shui)、(?)外(Wai)加(Jia)剂(Ji) ±2 ±1
混(Hun)凝(Ning)土(Tu)拌(Ban)和(He)物(Wu)的(De)坍(Tan)落(Luo)度(Du),(?)应(Ying)在(Zai)搅(Jiao)拌(Ban)地(Di)点(Dian)和(He)浇(Jiao)注(Zhu)地(Di)点(Dian)分(Fen)别(Bie)检(Jian)测(Ce),(?)每(Mei)一(Yi)工(Gong)作(Zuo)班(Ban)或(Huo)每(Mei)一(Yi)单(Dan)元(Yuan)结(Jie)构(Gou)物(Wu)不(Bu)应(Ying)少(Shao)于(Yu)两(Liang)次(Ci)。(?)评(Ping)定(Ding)时(Shi)应(Ying)以(Yi)浇(Jiao)注(Zhu)点(Dian)的(De)测(Ce)值(Zhi)为(Wei)准(Zhun)。(?)
四(Si)、(?)混(Hun)凝(Ning)土(Tu)运(Yun)输(Shu):(?)
混(Hun)凝(Ning)土(Tu)水(Shui)平(Ping)运(Yun)输(Shu)采(Cai)用(Yong)混(Hun)凝(Ning)土(Tu)罐(Guan)车(Che)运(Yun)输(Shu),(?)运(Yun)输(Shu)混(Hun)凝(Ning)土(Tu)以(Yi)2~(?)4r/min的(De)转(Zhuan)速(Su)搅(Jiao)动(Dong),(?)混(Hun)凝(Ning)土(Tu)罐(Guan)车(Che)每(Mei)天(Tian)使(Shi)用(Yong)完(Wan)毕(Bi)后(Hou)均(Jun)用(Yong)温(Wen)水(Shui)清(Qing)洗(Xi),(?)清(Qing)除(Chu)粘(Zhan)附(Fu)混(Hun)凝(Ning)土(Tu)使(Shi)其(Qi)内(Nei)壁(Bi)平(Ping)整(Zheng)光(Guang)滑(Hua)、(?)不(Bu)吸(Xi)水(Shui)、(?)不(Bu)漏(Lou)水(Shui)。(?)垂(Chui)直(Zhi)运(Yun)输(Shu)采(Cai)用(Yong)20t吊(Diao)车(Che)配(Pei)合(He)料(Liao)斗(Dou)至(Zhi)串(Chuan)筒(Tong)处(Chu)入(Ru)模(Mo)捣(Dao)固(Gu)。(?)
五(Wu)、(?)砼(Tong)浇(Jiao)筑(Zhu)
浇(Jiao)注(Zhu)混(Hun)凝(Ning)土(Tu)前(Qian),(?)应(Ying)对(Dui)支(Zhi)架(Jia)、(?)模(Mo)板(Ban)、(?)钢(Gang)筋(Jin)和(He)预(Yu)埋(Mai)件(Jian)进(Jin)行(Xing)检(Jian)查(Cha),(?)符(Fu)合(He)设(She)计(Ji)要(Yao)求(Qiu)后(Hou)方(Fang)可(Ke)浇(Jiao)注(Zhu)。(?)模(Mo)板(Ban)内(Nei)的(De)杂(Za)物(Wu)、(?)积(Ji)水(Shui)和(He)钢(Gang)筋(Jin)上(Shang)的(De)污(Wu)垢(Gou)应(Ying)清(Qing)理(Li)干(Gan)净(Jing)。(?)模(Mo)板(Ban)如(Ru)有(You)缝(Feng)隙(Xi),(?)应(Ying)填(Tian)塞(Sai)严(Yan)密(Mi),(?)模(Mo)板(Ban)内(Nei)面(Mian)应(Ying)涂(Tu)刷(Shua)脱(Tuo)模(Mo)剂(Ji)。(?)浇(Jiao)注(Zhu)混(Hun)凝(Ning)土(Tu)前(Qian),(?)应(Ying)检(Jian)查(Cha)混(Hun)凝(Ning)土(Tu)的(De)均(Jun)匀(Yun)性(Xing)和(He)坍(Tan)落(Luo)度(Du)。(?)
混(Hun)凝(Ning)土(Tu)浇(Jiao)注(Zhu)注(Zhu)意(Yi)事(Shi)项(Xiang):(?)
①(?)浇(Jiao)筑(Zhu)砼(Tong)过(Guo)程(Cheng)中(Zhong)严(Yan)格(Ge)按(An)照(Zhao)设(She)计(Ji)配(Pei)合(He)比(Bi)调(Diao)整(Zheng)好(Hao)施(Shi)工(Gong)配(Pei)比(Bi),(?)保(Bao)证(Zheng)计(Ji)量(Liang)准(Zhun)确(Que)。(?)
②(?)保(Bao)证(Zheng)拌(Ban)和(He)时(Shi)间(Jian)不(Bu)得(De)小(Xiao)于(Yu)1.5分(Fen)钟(Zhong),(?)浇(Jiao)筑(Zhu)过(Guo)程(Cheng)中(Zhong)经(Jing)常(Chang)进(Jin)行(Xing)坍(Tan)落(Luo)度(Du)试(Shi)验(Yan),(?)及(Ji)时(Shi)调(Diao)整(Zheng)水(Shui)灰(Hui)比(Bi)。(?)
③(?)砼(Tong)浇(Jiao)筑(Zhu)必(Bi)须(Xu)连(Lian)续(Xu)浇(Jiao)筑(Zhu),(?)间(Jian)断(Duan)时(Shi)间(Jian)不(Bu)得(De)超(Chao)过(Guo)30 分(Fen)钟(Zhong),(?)以(Yi)防(Fang)造(Zao)成(Cheng)施(Shi)工(Gong)冷(Leng)缝(Feng)。(?)
④(?)砼(Tong)浇(Jiao)筑(Zhu)时(Shi)串(Chuan)筒(Tong)出(Chu)口(Kou)与(Yu)承(Cheng)接(Jie)面(Mian)之(Zhi)间(Jian)的(De)高(Gao)度(Du)为(Wei)1m~(?)1.5m,(?)以(Yi)防(Fang)砼(Tong)离(Li)析(Xi)。(?)
⑤(?)砼(Tong)一(Yi)次(Ci)浇(Jiao)筑(Zhu)厚(Hou)度(Du)不(Bu)能(Neng)超(Chao)过(Guo)30cm。(?)
⑥(?)当(Dang)混(Hun)凝(Ning)土(Tu)表(Biao)面(Mian)出(Chu)现(Xian)析(Xi)水(Shui)时(Shi),(?)及(Ji)时(Shi)予(Yu)以(Yi)清(Qing)除(Chu),(?)但(Dan)不(Bu)得(De)扰(Rao)动(Dong)已(Yi)浇(Jiao)筑(Zhu)的(De)混(Hun)凝(Ning)土(Tu)。(?)
⑦(?)混(Hun)凝(Ning)土(Tu)振(Zhen)捣(Dao)采(Cai)用(Yong)插(Cha)入(Ru)式(Shi)振(Zhen)捣(Dao)棒(Bang),(?)振(Zhen)捣(Dao)棒(Bang)的(De)插(Cha)入(Ru)必(Bi)须(Xu)紧(Jin)跟(Gen)混(Hun)凝(Ning)土(Tu)入(Ru)模(Mo),(?)振(Zhen)动(Dong)棒(Bang)插(Cha)入(Ru)采(Cai)用(Yong)快(Kuai)插(Cha)慢(Man)拔(Ba)的(De)方(Fang)法(Fa),(?)振(Zhen)动(Dong)点(Dian)振(Zhen)捣(Dao)延(Yan)续(Xu)时(Shi)间(Jian)宜(Yi)为(Wei)20~(?)30s、(?)以(Yi)混(Hun)凝(Ning)土(Tu)不(Bu)再(Zai)沉(Chen)落(Luo)、(?)不(Bu)出(Chu)现(Xian)气(Qi)泡(Pao),(?)表(Biao)面(Mian)呈(Cheng)现(Xian)浮(Fu)浆(Jiang)为(Wei)度(Du)。(?)振(Zhen)捣(Dao)棒(Bang)必(Bi)须(Xu)插(Cha)入(Ru)到(Dao)下(Xia)层(Ceng)混(Hun)凝(Ning)土(Tu)5~(?)10cm,(?)并(Bing)防(Fang)止(Zhi)漏(Lou)振(Zhen)与(Yu)过(Guo)振(Zhen)。(?)避(Bi)免(Mian)振(Zhen)捣(Dao)棒(Bang)与(Yu)钢(Gang)筋(Jin)接(Jie)触(Chu),(?)并(Bing)与(Yu)模(Mo)板(Ban)保(Bao)持(Chi)10cm左(Zuo)右(You)的(De)距(Ju)离(Li)。(?)
⑧(?)混(Hun)凝(Ning)土(Tu)振(Zhen)捣(Dao)应(Ying)上(Shang)下(Xia)移(Yi)动(Dong),(?)振(Zhen)捣(Dao)均(Jun)匀(Yun),(?)混(Hun)凝(Ning)土(Tu)的(De)振(Zhen)捣(Dao)选(Xuan)派(Pai)有(You)丰(Feng)富(Fu)经(Jing)验(Yan)有(You)责(Ze)任(Ren)心(Xin)的(De)混(Hun)凝(Ning)土(Tu)工(Gong)专(Zhuan)人(Ren)负(Fu)责(Ze),(?)振(Zhen)捣(Dao)程(Cheng)度(Du)以(Yi)混(Hun)凝(Ning)土(Tu)不(Bu)再(Zai)有(You)显(Xian)著(Zhu)沉(Chen)陷(Xian),(?)无(Wu)气(Qi)泡(Pao)冒(Mao)出(Chu),(?)混(Hun)凝(Ning)土(Tu)表(Biao)面(Mian)平(Ping)整(Zheng),(?)并(Bing)已(Yi)泛(Fan)灰(Hui)浆(Jiang)为(Wei)宜(Yi),(?)但(Dan)也(Ye)应(Ying)防(Fang)止(Zhi)振(Zhen)动(Dong)过(Guo)量(Liang)。(?)
⑨(?)在(Zai)混(Hun)凝(Ning)土(Tu)灌(Guan)注(Zhu)前(Qian),(?)应(Ying)对(Dui)全(Quan)部(Bu)设(She)备(Bei)进(Jin)行(Xing)全(Quan)面(Mian)检(Jian)查(Cha)试(Shi)验(Yan),(?)确(Que)保(Bao)施(Shi)工(Gong)中(Zhong)运(Yun)转(Zhuan)正(Zheng)常(Chang),(?)并(Bing)经(Jing)技(Ji)术(Shu)负(Fu)责(Ze)人(Ren)与(Yu)施(Shi)工(Gong)负(Fu)责(Ze)人(Ren)共(Gong)同(Tong)签(Qian)认(Ren)后(Hou)方(Fang)可(Ke)灌(Guan)注(Zhu)混(Hun)凝(Ning)土(Tu)。(?)
在(Zai)灌(Guan)注(Zhu)过(Guo)程(Cheng)中(Zhong)应(Ying)派(Pai)专(Zhuan)人(Ren)检(Jian)查(Cha)模(Mo)板(Ban)、(?)支(Zhi)架(Jia)、(?)钢(Gang)筋(Jin)等(Deng)状(Zhuang)态(Tai),(?)以(Yi)便(Bian)发(Fa)现(Xian)情(Qing)况(Kuang)及(Ji)时(Shi)整(Zheng)修(Xiu)。(?)
六(Liu)、(?)混(Hun)凝(Ning)土(Tu)的(De)养(Yang)护(Hu):(?)
1、(?)一(Yi)般(Ban)混(Hun)凝(Ning)土(Tu)浇(Jiao)筑(Zhu)完(Wan)成(Cheng)后(Hou),(?)应(Ying)在(Zai)收(Shou)浆(Jiang)后(Hou)尽(Jin)快(Kuai)予(Yu)以(Yi)覆(Fu)盖(Gai)和(He)洒(Sa)水(Shui)养(Yang)护(Hu)。(?)覆(Fu)盖(Gai)时(Shi)不(Bu)得(De)损(Sun)伤(Shang)或(Huo)污(Wu)染(Ran)混(Hun)凝(Ning)土(Tu)的(De)表(Biao)面(Mian)。(?)
2、(?)当(Dang)气(Qi)温(Wen)低(Di)于(Yu)5℃(?)时(Shi),(?)应(Ying)覆(Fu)盖(Gai)保(Bao)温(Wen),(?)不(Bu)得(De)向(Xiang)混(Hun)凝(Ning)土(Tu)面(Mian)上(Shang)洒(Sa)水(Shui)。(?)
3、(?)新(Xin)浇(Jiao)筑(Zhu)砼(Tong)终(Zhong)凝(Ning)后(Hou)即(Ji)可(Ke)开(Kai)始(Shi)养(Yang)护(Hu),(?)养(Yang)护(Hu)时(Shi)间(Jian)至(Zhi)少(Shao)延(Yan)续(Xu)7 天(Tian),(?)结(Jie)构(Gou)物(Wu)拆(Chai)模(Mo)后(Hou),(?)采(Cai)用(Yong)薄(Bao)膜(Mo)或(Huo)彩(Cai)条(Tiao)布(Bu)袋(Dai)覆(Fu)盖(Gai)浇(Jiao)水(Shui)养(Yang)护(Hu)。(?)
4、(?)对(Dui)大(Da)体(Ti)积(Ji)混(Hun)凝(Ning)土(Tu)的(De)养(Yang)护(Hu),(?)应(Ying)根(Gen)据(Ju)气(Qi)候(Hou)条(Tiao)件(Jian)采(Cai)取(Qu)控(Kong)温(Wen)措(Cuo)施(Shi),(?)并(Bing)按(An)需(Xu)要(Yao)测(Ce)定(Ding)浇(Jiao)注(Zhu)后(Hou)的(De)混(Hun)凝(Ning)土(Tu)表(Biao)面(Mian)和(He)内(Nei)部(Bu)温(Wen)度(Du),(?)将(Jiang)温(Wen)度(Du)控(Kong)制(Zhi)在(Zai)设(She)计(Ji)要(Yao)求(Qiu)的(De)范(Fan)围(Wei)内(Nei),(?)当(Dang)设(She)计(Ji)无(Wu)要(Yao)求(Qiu)时(Shi),(?)温(Wen)差(Cha)不(Bu)宜(Yi)超(Chao)过(Guo)25℃(?)。(?)
七(Qi)、(?)混(Hun)凝(Ning)土(Tu)工(Gong)程(Cheng)冬(Dong)、(?)雨(Yu)季(Ji)施(Shi)工(Gong)措(Cuo)施(Shi)
1、(?)冬(Dong)季(Ji)施(Shi)工(Gong)措(Cuo)施(Shi)
冬(Dong)季(Ji)施(Shi)工(Gong)的(De)工(Gong)程(Cheng),(?)应(Ying)预(Yu)先(Xian)作(Zuo)好(Hao)冬(Dong)季(Ji)施(Shi)工(Gong)组(Zu)织(Zhi)计(Ji)划(Hua)及(Ji)准(Zhun)备(Bei)工(Gong)作(Zuo),(?)对(Dui)各(Ge)项(Xiang)设(She)施(Shi)和(He)材(Cai)料(Liao)应(Ying)提(Ti)前(Qian)采(Cai)取(Qu)防(Fang)雪(Xue)、(?)防(Fang)冻(Dong)等(Deng)措(Cuo)施(Shi),(?)对(Dui)钢(Gang)筋(Jin)的(De)冷(Leng)拉(La)和(He)张(Zhang)拉(La),(?)还(Huan)应(Ying)专(Zhuan)门(Men)制(Zhi)定(Ding)施(Shi)工(Gong)工(Gong)艺(Yi)要(Yao)求(Qiu)及(Ji)安(An)全(Quan)措(Cuo)施(Shi)。(?)
冬(Dong)季(Ji)施(Shi)工(Gong)期(Qi)间(Jian),(?)与(Yu)当(Dang)地(Di)气(Qi)象(Xiang)及(Ji)广(Guang)播(Bo)台(Tai)站(Zhan)建(Jian)立(Li),(?)及(Ji)时(Shi)了(Liao)解(Jie)和(He)掌(Zhang)握(Wo)天(Tian)气(Qi)变(Bian)化(Hua)情(Qing)况(Kuang),(?)安(An)排(Pai)施(Shi)工(Gong)生(Sheng)产(Chan)。(?)作(Zuo)好(Hao)气(Qi)温(Wen)的(De)监(Jian)测(Ce)、(?)记(Ji)录(Lu)及(Ji)通(Tong)报(Bao)工(Gong)作(Zuo)。(?)
按(An)照(Zhao)((?)JTJ041-2000)(?)《(?)公(Gong)路(Lu)桥(Qiao)涵(Han)施(Shi)工(Gong)规(Gui)范(Fan)》(?)的(De)规(Gui)定(Ding),(?)室(Shi)外(Wai)日(Ri)平(Ping)均(Jun)气(Qi)温(Wen)连(Lian)续(Xu)5天(Tian)稳(Wen)定(Ding)低(Di)于(Yu)5℃(?)时(Shi),(?)钢(Gang)筋(Jin)混(Hun)凝(Ning)土(Tu)、(?)预(Yu)应(Ying)力(Li)工(Gong)程(Cheng)按(An)冬(Dong)期(Qi)施(Shi)工(Gong)。(?)
①(?)冬(Dong)期(Qi)施(Shi)工(Gong)的(De)工(Gong)程(Cheng),(?)做(Zuo)好(Hao)冬(Dong)期(Qi)施(Shi)工(Gong)组(Zu)织(Zhi)计(Ji)划(Hua)及(Ji)准(Zhun)备(Bei)工(Gong)作(Zuo),(?)对(Dui)各(Ge)项(Xiang)设(She)施(Shi)和(He)材(Cai)料(Liao)提(Ti)前(Qian)采(Cai)取(Qu)防(Fang)雪(Xue)、(?)防(Fang)冻(Dong)措(Cuo)施(Shi)。(?)
②(?)加(Jia)强(Qiang)与(Yu)气(Qi)象(Xiang)部(Bu)门(Men)的(De),(?)确(Que)保(Bao)气(Qi)象(Xiang)信(Xin)息(Xi)收(Shou)集(Ji)渠(Qu)道(Dao)畅(Chang)通(Tong),(?)及(Ji)时(Shi)掌(Zhang)握(Wo)气(Qi)象(Xiang)变(Bian)化(Hua)情(Qing)况(Kuang)。(?)
③(?)编(Bian)制(Zhi)冬(Dong)季(Ji)施(Shi)工(Gong)方(Fang)案(An)及(Ji)制(Zhi)定(Ding)相(Xiang)关(Guan)的(De)技(Ji)术(Shu)措(Cuo)施(Shi),(?)并(Bing)对(Dui)有(You)关(Guan)人(Ren)员(Yuan)进(Jin)行(Xing)技(Ji)术(Shu)交(Jiao)底(Di)和(He)培(Pei)训(Xun)。(?)
④(?)落(Luo)实(Shi)有(You)关(Guan)工(Gong)程(Cheng)材(Cai)料(Liao),(?)防(Fang)寒(Han)物(Wu)资(Zi)、(?)能(Neng)源(Yuan)的(De)储(Chu)备(Bei),(?)以(Yi)及(Ji)机(Ji)械(Xie)车(Che)辆(Liang)的(De)防(Fang)寒(Han)设(She)施(Shi)。(?)
⑤(?)冬(Dong)季(Ji)施(Shi)工(Gong)的(De)工(Gong)程(Cheng),(?)预(Yu)先(Xian)做(Zuo)好(Hao)冬(Dong)季(Ji)施(Shi)工(Gong)组(Zu)织(Zhi)计(Ji)划(Hua),(?)并(Bing)报(Bao)监(Jian)理(Li)工(Gong)程(Cheng)师(Shi)批(Pi)准(Zhun)。(?)
⑥(?)冬(Dong)季(Ji)钢(Gang)筋(Jin)加(Jia)工(Gong)符(Fu)合(He)规(Gui)范(Fan)有(You)关(Guan)规(Gui)定(Ding)。(?)
焊(Han)接(Jie)钢(Gang)筋(Jin)在(Zai)室(Shi)外(Wai)进(Jin)行(Xing)时(Shi),(?)zui低(Di)温(Wen)度(Du)不(Bu)宜(Yi)低(Di)于(Yu)-20℃(?),(?)并(Bing)应(Ying)采(Cai)取(Qu)防(Fang)雪(Xue)挡(Dang)风(Feng)措(Cuo)施(Shi),(?)减(Jian)小(Xiao)焊(Han)件(Jian)温(Wen)度(Du)差(Cha),(?)焊(Han)接(Jie)后(Hou)的(De)接(Jie)头(Tou)严(Yan)禁(Jin)立(Li)刻(Ke)接(Jie)触(Chu)冰(Bing)雪(Xue)。(?)张(Zhang)拉(La)预(Yu)应(Ying)力(Li)钢(Gang)材(Cai)时(Shi)的(De)温(Wen)度(Du)不(Bu)宜(Yi)低(Di)于(Yu)-15℃(?)。(?)
⑦(?)冬(Dong)季(Ji)混(Hun)凝(Ning)土(Tu)的(De)配(Pei)制(Zhi)和(He)运(Yun)输(Shu)符(Fu)合(He)下(Xia)列(Lie)规(Gui)定(Ding):(?)
当(Dang)拌(Ban)制(Zhi)的(De)混(Hun)凝(Ning)土(Tu)出(Chu)现(Xian)坍(Tan)落(Luo)度(Du)减(Jian)小(Xiao)或(Huo)发(Fa)生(Sheng)速(Su)凝(Ning)现(Xian)象(Xiang)时(Shi),(?)重(Zhong)新(Xin)调(Diao)整(Zheng)拌(Ban)和(He)料(Liao)的(De)加(Jia)热(Re)温(Wen)度(Du)。(?)混(Hun)凝(Ning)土(Tu)搅(Jiao)拌(Ban)时(Shi)间(Jian)较(Jiao)常(Chang)温(Wen)施(Shi)工(Gong)延(Yan)长(Chang)50%。(?)混(Hun)凝(Ning)土(Tu)搅(Jiao)拌(Ban)所(Suo)用(Yong)骨(Gu)料(Liao)不(Bu)得(De)混(Hun)有(You)冰(Bing)雪(Xue)、(?)冻(Dong)块(Kuai)及(Ji)易(Yi)被(Bei)冻(Dong)裂(Lie)的(De)矿(Kuang)物(Wu)质(Zhi)。(?)
⑧(?)冬(Dong)季(Ji)混(Hun)凝(Ning)土(Tu)的(De)浇(Jiao)筑(Zhu)符(Fu)合(He)下(Xia)列(Lie)规(Gui)定(Ding):(?)
混(Hun)凝(Ning)土(Tu)浇(Jiao)筑(Zhu)前(Qian),(?)清(Qing)除(Chu)模(Mo)板(Ban)及(Ji)钢(Gang)筋(Jin)上(Shang)的(De)冰(Bing)雪(Xue)和(He)圬(Wu)垢(Gou)。(?)
2、(?)雨(Yu)季(Ji)施(Shi)工(Gong)措(Cuo)施(Shi)
雨(Yu)季(Ji)施(Shi)工(Gong)前(Qian),(?)做(Zuo)好(Hao)雨(Yu)季(Ji)防(Fang)护(Hu)措(Cuo)施(Shi),(?)保(Bao)证(Zheng)工(Gong)程(Cheng)按(An)时(Shi)保(Bao)质(Zhi)完(Wan)成(Cheng)。(?)
由(You)专(Zhuan)人(Ren)收(Shou)集(Ji)天(Tian)气(Qi)预(Yu)报(Bao),(?)根(Gen)据(Ju)天(Tian)气(Qi)情(Qing)况(Kuang)合(He)理(Li)安(An)排(Pai)施(Shi)工(Gong),(?)及(Ji)时(Shi)做(Zuo)好(Hao)防(Fang)护(Hu)工(Gong)作(Zuo)。(?)
梁(Liang)板(Ban)浇(Jiao)筑(Zhu)过(Guo)程(Cheng)中(Zhong)若(Ruo)遇(Yu)降(Jiang)雨(Yu),(?)应(Ying)停(Ting)止(Zhi)施(Shi)工(Gong)并(Bing)加(Jia)以(Yi)覆(Fu)盖(Gai),(?)防(Fang)止(Zhi)雨(Yu)水(Shui)进(Jin)入(Ru)混(Hun)凝(Ning)土(Tu)。(?)
雨(Yu)后(Hou)砂(Sha)、(?)石(Shi)含(Han)水(Shui)量(Liang)增(Zeng)加(Jia),(?)施(Shi)工(Gong)需(Xu)要(Yao)重(Zhong)新(Xin)测(Ce)定(Ding)砂(Sha)、(?)石(Shi)含(Han)水(Shui)率(Lu),(?)调(Diao)整(Zheng)砼(Tong)施(Shi)工(Gong)配(Pei)合(He)比(Bi),(?)保(Bao)证(Zheng)砼(Tong)质(Zhi)量(Liang)。(?)
水(Shui)泥(Ni)堆(Dui)放(Fang)在(Zai)防(Fang)雨(Yu)棚(Peng)内(Nei),(?)底(Di)面(Mian)铺(Pu)垫(Dian)木(Mu)枕(Zhen)或(Huo)方(Fang)木(Mu),(?)以(Yi)免(Mian)受(Shou)潮(Chao)。(?)所(Suo)有(You)的(De)材(Cai)料(Liao)及(Ji)机(Ji)具(Ju)置(Zhi)放(Fang)在(Zai)较(Jiao)高(Gao)处(Chu),(?)必(Bi)要(Yao)时(Shi)支(Zhi)挡(Dang)蓬(Peng)布(Bu)防(Fang)雨(Yu),(?)并(Bing)在(Zai)地(Di)面(Mian)上(Shang)设(She)挡(Dang)水(Shui)和(He)排(Pai)水(Shui)设(She)施(Shi)。(?)
砼(Tong)拌(Ban)和(He)站(Zhan)设(She)站(Zhan)棚(Peng),(?)四(Si)周(Zhou)设(She)排(Pai)水(Shui)沟(Gou),(?)砂(Sha)、(?)石(Shi)料(Liao)场(Chang)备(Bei)遮(Zhe)雨(Yu)布(Bu)。(?)
对(Dui)施(Shi)工(Gong)的(De)排(Pai)水(Shui)沟(Gou)进(Jin)行(Xing)整(Zheng)修(Xiu)、(?)疏(Shu)通(Tong),(?)保(Bao)证(Zheng)排(Pai)水(Shui)畅(Chang)通(Tong)。(?)
制(Zhi)订(Ding)防(Fang)洪(Hong)措(Cuo)施(Shi),(?)建(Jian)立(Li)防(Fang)洪(Hong)组(Zu)织(Zhi),(?)备(Bei)足(Zu)防(Fang)洪(Hong)物(Wu)资(Zi),(?)做(Zuo)好(Hao)抗(Kang)洪(Hong)抢(Qiang)险(Xian)的(De)一(Yi)切(Qie)准(Zhun)备(Bei)工(Gong)作(Zuo),(?)确(Que)保(Bao)工(Gong)程(Cheng)质(Zhi)量(Liang)不(Bu)受(Shou)破(Po)坏(Huai)并(Bing)保(Bao)证(Zheng)安(An)全(Quan)。(?)
八(Ba)、(?)混(Hun)凝(Ning)土(Tu)工(Gong)程(Cheng)施(Shi)工(Gong)常(Chang)见(Jian)质(Zhi)量(Liang)通(Tong)病(Bing)及(Ji)防(Fang)治(Zhi)措(Cuo)施(Shi)
在(Zai)混(Hun)凝(Ning)土(Tu)工(Gong)程(Cheng)施(Shi)工(Gong)过(Guo)程(Cheng)中(Zhong),(?)经(Jing)常(Chang)出(Chu)现(Xian)一(Yi)些(Xie)混(Hun)凝(Ning)土(Tu)质(Zhi)量(Liang)通(Tong)病(Bing),(?)影(Ying)响(Xiang)工(Gong)程(Cheng)内(Nei)在(Zai)质(Zhi)量(Liang)和(He)外(Wai)观(Guan)质(Zhi)量(Liang),(?)为(Wei)了(Liao)实(Shi)现(Xian)“(?)开(Kai)工(Gong)必(Bi)优(You)、(?)一(Yi)次(Ci)成(Cheng)优(You)"的(De)目(Mu)标(Biao),(?)必(Bi)须(Xu)对(Dui)施(Shi)工(Gong)中(Zhong)存(Cun)在(Zai)的(De)质(Zhi)量(Liang)通(Tong)病(Bing)进(Jin)行(Xing)有(You)效(Xiao)克(Ke)服(Fu)。(?)现(Xian)将(Jiang)常(Chang)见(Jian)质(Zhi)量(Liang)通(Tong)病(Bing)的(De)现(Xian)象(Xiang)、(?)原(Yuan)因(Yin)分(Fen)析(Xi)及(Ji)相(Xiang)应(Ying)预(Yu)防(Fang)措(Cuo)施(Shi)、(?)列(Lie)表(Biao)如(Ru)下(Xia):(?)
一(Yi)、(?)掉(Diao)角(Jiao)
现(Xian)象(Xiang):(?)砼(Tong)局(Ju)部(Bu)掉(Diao)块(Kuai),(?)不(Bu)规(Gui)整(Zheng),(?)棱(Leng)角(Jiao)有(You)缺(Que)陷(Xian)。(?)
原(Yuan)因(Yin)分(Fen)析(Xi):(?)
1、(?)过(Guo)早(Zao)拆(Chai)除(Chu)承(Cheng)重(Zhong)模(Mo)板(Ban)。(?)
2、(?)拆(Chai)模(Mo)时(Shi)受(Shou)外(Wai)力(Li)作(Zuo)用(Yong)或(Huo)重(Zhong)物(Wu)撞(Zhuang)击(Ji),(?)棱(Leng)角(Jiao)被(Bei)碰(Peng)掉(Diao)。(?)
预(Yu)防(Fang)措(Cuo)施(Shi):(?)
1、(?)拆(Chai)除(Chu)钢(Gang)筋(Jin)砼(Tong)结(Jie)构(Gou)承(Cheng)重(Zhong)模(Mo)板(Ban)时(Shi),(?)砼(Tong)应(Ying)具(Ju)有(You)足(Zu)够(Gou)的(De)强(Qiang)度(Du)。(?)表(Biao)面(Mian)和(He)棱(Leng)角(Jiao)才(Cai)不(Bu)会(Hui)受(Shou)到(Dao)损(Sun)坏(Huai)。(?)
2、(?)拆(Chai)模(Mo)时(Shi)用(Yong)力(Li)不(Bu)能(Neng)过(Guo)猛(Meng)、(?)过(Guo)急(Ji),(?)注(Zhu)意(Yi)保(Bao)护(Hu)棱(Leng)角(Jiao)。(?)易(Yi)被(Bei)撞(Zhuang)击(Ji)的(De)砼(Tong)阳(Yang)角(Jiao),(?)拆(Chai)模(Mo)后(Hou)加(Jia)以(Yi)保(Bao)护(Hu)。(?)
3、(?)砼(Tong)浇(Jiao)筑(Zhu)完(Wan)毕(Bi),(?)做(Zuo)好(Hao)保(Bao)温(Wen)覆(Fu)盖(Gai)工(Gong)作(Zuo)。(?)
二(?)、(?)蜂(Feng)窝(Wo)
现(Xian)象(Xiang):(?)局(Ju)部(Bu)砼(Tong)砂(Sha)浆(Jiang)、(?)石(Shi)子(Zi)多(Duo),(?)石(Shi)子(Zi)之(Zhi)间(Jian)出(Chu)现(Xian)空(Kong)隙(Xi),(?)形(Xing)成(Cheng)蜂(Feng)窝(Wo)状(Zhuang)的(De)孔(Kong)洞(Dong)。(?)
原(Yuan)因(Yin)分(Fen)析(Xi):(?)
1、(?)砼(Tong)配(Pei)合(He)比(Bi)不(Bu)准(Zhun)确(Que),(?)砂(Sha)石(Shi)、(?)水(Shui)泥(Ni)材(Cai)料(Liao)计(Ji)量(Liang)不(Bu)准(Zhun)确(Que),(?)或(Huo)用(Yong)水(Shui)量(Liang)不(Bu)准(Zhun),(?)造(Zao)成(Cheng)砂(Sha)浆(Jiang)少(Shao)、(?)卵(Luan)石(Shi)多(Duo)。(?)
2、(?)砼(Tong)搅(Jiao)拌(Ban)时(Shi)间(Jian)短(Duan),(?)没(Mei)有(You)拌(Ban)和(He)均(Jun)匀(Yun),(?)砼(Tong)和(He)易(Yi)性(Xing)差(Cha),(?)振(Zhen)捣(Dao)不(Bu)密(Mi)实(Shi)。(?)
3、(?)未(Wei)按(An)操(Cao)作(Zuo)规(Gui)程(Cheng)浇(Jiao)注(Zhu)砼(Tong),(?)造(Zao)成(Cheng)砼(Tong)离(Li)析(Xi)。(?)
4、(?)砼(Tong)一(Yi)次(Ci)下(Xia)料(Liao)过(Guo)多(Duo),(?)没(Mei)有(You)分(Fen)段(Duan)、(?)分(Fen)层(Ceng)浇(Jiao)筑(Zhu),(?)振(Zhen)捣(Dao)不(Bu)实(Shi)或(Huo)下(Xia)料(Liao)与(Yu)振(Zhen)捣(Dao)配(Pei)合(He)不(Bu)好(Hao),(?)因(Yin)漏(Lou)振(Zhen)造(Zao)成(Cheng)蜂(Feng)窝(Wo)。(?)
5、(?)模(Mo)板(Ban)空(Kong)隙(Xi)未(Wei)堵(Du)好(Hao)或(Huo)模(Mo)板(Ban)不(Bu)牢(Lao)固(Gu),(?)振(Zhen)捣(Dao)砼(Tong)时(Shi)模(Mo)板(Ban)移(Yi)位(Wei),(?)造(Zao)成(Cheng)严(Yan)重(Zhong)漏(Lou)浆(Jiang),(?)形(Xing)成(Cheng)蜂(Feng)窝(Wo)。(?)
预(Yu)防(Fang)措(Cuo)施(Shi):(?)
1、(?)砼(Tong)配(Pei)料(Liao)时(Shi)严(Yan)格(Ge)按(An)配(Pei)合(He)比(Bi)计(Ji)量(Liang),(?)经(Jing)常(Chang)检(Jian)查(Cha)计(Ji)量(Liang)系(Xi)统(Tong)和(He)自(Zi)控(Kong)制(Zhi)系(Xi)统(Tong)。(?)
2、(?)砼(Tong)拌(Ban)和(He)均(Jun)匀(Yun),(?)颜(Yan)色(Se)*,(?)zui短(Duan)搅(Jiao)拌(Ban)时(Shi)间(Jian)符(Fu)合(He)规(Gui)定(Ding)。(?)
3、(?)砼(Tong)自(Zi)由(You)倾(Qing)落(Luo)高(Gao)度(Du)一(Yi)般(Ban)不(Bu)得(De)超(Chao)过(Guo)2m。(?)如(Ru)超(Chao)过(Guo),(?)要(Yao)采(Cai)取(Qu)串(Chuan)筒(Tong)、(?)溜(Liu)槽(Cao)等(Deng)措(Cuo)施(Shi)。(?)
4、(?)砼(Tong)分(Fen)层(Ceng)振(Zhen)捣(Dao)。(?)浇(Jiao)注(Zhu)层(Ceng)的(De)厚(Hou)度(Du)不(Bu)得(De)超(Chao)过(Guo)振(Zhen)捣(Dao)器(Qi)作(Zuo)用(Yong)部(Bu)分(Fen)长(Chang)度(Du)的(De)1.25倍(Bei)。(?)
5、(?)振(Zhen)捣(Dao)砼(Tong)拌(Ban)和(He)物(Wu)时(Shi),(?)插(Cha)入(Ru)式(Shi)振(Zhen)捣(Dao)器(Qi)移(Yi)动(Dong)间(Jian)距(Ju)不(Bu)大(Da)于(Yu)其(Qi)作(Zuo)用(Yong)半(Ban)径(Jing)的(De)1.5倍(Bei);(?)振(Zhen)捣(Dao)器(Qi)至(Zhi)模(Mo)板(Ban)的(De)距(Ju)离(Li)不(Bu)大(Da)于(Yu)振(Zhen)捣(Dao)器(Qi)有(You)效(Xiao)半(Ban)径(Jing)的(De)1/2。(?)为(Wei)保(Bao)证(Zheng)上(Shang)下(Xia)砼(Tong)结(Jie)合(He)良(Liang)好(Hao),(?)振(Zhen)捣(Dao)棒(Bang)插(Cha)入(Ru)下(Xia)层(Ceng)砼(Tong)5cm。(?)
6、(?)砼(Tong)浇(Jiao)捣(Dao)时(Shi),(?)必(Bi)须(Xu)掌(Zhang)握(Wo)好(Hao)振(Zhen)捣(Dao)时(Shi)间(Jian)。(?)砼(Tong)不(Bu)再(Zai)显(Xian)著(Zhu)下(Xia)沉(Chen),(?)不(Bu)再(Zai)出(Chu)现(Xian)气(Qi)泡(Pao)。(?)
7、(?)浇(Jiao)注(Zhu)砼(Tong)时(Shi),(?)经(Jing)常(Chang)检(Jian)查(Cha)模(Mo)板(Ban)、(?)支(Zhi)撑(Cheng)、(?)接(Jie)缝(Feng)等(Deng)情(Qing)况(Kuang)。(?)发(Fa)现(Xian)有(You)模(Mo)板(Ban)走(Zou)动(Dong),(?)立(Li)即(Ji)处(Chu)理(Li)。(?)
三(San)、(?)麻(Ma)面(Mian)
现(Xian)象(Xiang):(?)砼(Tong)表(Biao)面(Mian)局(Ju)部(Bu)缺(Que)浆(Jiang),(?)或(Huo)有(You)许(Xu)多(Duo)小(Xiao)凹(Ao)坑(Keng),(?)但(Dan)无(Wu)钢(Gang)筋(Jin)和(He)石(Shi)子(Zi)外(Wai)漏(Lou)。(?)
原(Yuan)因(Yin)分(Fen)析(Xi):(?)
1、(?)模(Mo)板(Ban)表(Biao)面(Mian)粗(Cu)糙(Cao)或(Huo)清(Qing)理(Li)不(Bu)干(Gan)净(Jing),(?)粘(Zhan)有(You)干(Gan)硬(Ying)水(Shui)泥(Ni)砂(Sha)浆(Jiang)等(Deng)杂(Za)物(Wu),(?)拆(Chai)模(Mo)后(Hou),(?)出(Chu)现(Xian)麻(Ma)面(Mian)。(?)
2、(?)钢(Gang)模(Mo)板(Ban)脱(Tuo)模(Mo)剂(Ji)涂(Tu)刷(Shua)不(Bu)均(Jun)匀(Yun),(?)拆(Chai)模(Mo)时(Shi)砼(Tong)表(Biao)面(Mian)与(Yu)模(Mo)板(Ban)粘(Zhan)结(Jie),(?)引(Yin)起(Qi)麻(Ma)面(Mian)。(?)
3、(?)模(Mo)板(Ban)接(Jie)缝(Feng)不(Bu)严(Yan)实(Shi),(?)浇(Jiao)筑(Zhu)砼(Tong)时(Shi)缝(Feng)隙(Xi)漏(Lou)浆(Jiang),(?)出(Chu)现(Xian)麻(Ma)面(Mian)。(?)
4、(?)砼(Tong)振(Zhen)捣(Dao)不(Bu)密(Mi)实(Shi),(?)砼(Tong)中(Zhong)的(De)气(Qi)泡(Pao)未(Wei)排(Pai)出(Chu),(?)一(Yi)部(Bu)分(Fen)气(Qi)泡(Pao)停(Ting)留(Liu)在(Zai)模(Mo)板(Ban)表(Biao)面(Mian),(?)形(Xing)成(Cheng)麻(Ma)点(Dian)。(?)
预(Yu)防(Fang)措(Cuo)施(Shi):(?)
1、(?)模(Mo)板(Ban)面(Mian)清(Qing)理(Li)干(Gan)净(Jing),(?)不(Bu)得(De)粘(Zhan)有(You)干(Gan)硬(Ying)水(Shui)泥(Ni)砂(Sha)浆(Jiang)等(Deng)杂(Za)物(Wu)。(?)
2、(?)采(Cai)用(Yong)钢(Gang)模(Mo)板(Ban),(?)使(Shi)模(Mo)板(Ban)缝(Feng)隙(Xi)拼(Pin)接(Jie)严(Yan)密(Mi),(?)如(Ru)有(You)缝(Feng)隙(Xi),(?)填(Tian)堵(Du),(?)防(Fang)止(Zhi)漏(Lou)浆(Jiang)。(?)
3、(?)脱(Tuo)模(Mo)剂(Ji)要(Yao)涂(Tu)刷(Shua)均(Jun)匀(Yun),(?)不(Bu)得(De)漏(Lou)刷(Shua)。(?)
4、(?)砼(Tong)必(Bi)须(Xu)按(An)操(Cao)作(Zuo)规(Gui)程(Cheng)分(Fen)层(Ceng)均(Jun)匀(Yun)振(Zhen)捣(Dao)密(Mi)实(Shi),(?)严(Yan)防(Fang)漏(Lou)振(Zhen)。(?)
四(Si)、(?)孔(Kong)洞(Dong)
现(Xian)象(Xiang):(?)砼(Tong)结(Jie)构(Gou)内(Nei)有(You)空(Kong)隙(Xi)或(Huo)蜂(Feng)窝(Wo)特(Te)别(Bie)大(Da)。(?)
原(Yuan)因(Yin)分(Fen)析(Xi):(?)
1、(?)在(Zai)钢(Gang)筋(Jin)密(Mi)集(Ji)处(Chu)或(Huo)预(Yu)埋(Mai)件(Jian)处(Chu),(?)砼(Tong)浇(Jiao)筑(Zhu)不(Bu)密(Mi)实(Shi),(?)未(Wei)充(Chong)满(Man)模(Mo)板(Ban)而(?)形(Xing)成(Cheng)孔(Kong)洞(Dong)。(?)
2、(?)未(Wei)按(An)顺(Shun)序(Xu)振(Zhen)捣(Dao)砼(Tong),(?)产(Chan)生(Sheng)漏(Lou)振(Zhen)。(?)
3、(?)砼(Tong)离(Li)析(Xi),(?)卵(Luan)石(Shi)成(Cheng)堆(Dui)或(Huo)严(Yan)重(Zhong)跑(Pao)浆(Jiang),(?)形(Xing)成(Cheng)特(Te)大(Da)蜂(Feng)窝(Wo)。(?)
4、(?)未(Wei)按(An)施(Shi)工(Gong)顺(Shun)序(Xu)和(He)施(Shi)工(Gong)工(Gong)艺(Yi)认(Ren)真(Zhen)操(Cao)作(Zuo),(?)造(Zao)成(Cheng)孔(Kong)洞(Dong)。(?)
5、(?)有(You)木(Mu)块(Kuai)和(He)杂(Za)物(Wu)等(Deng)掉(Diao)入(Ru)砼(Tong)中(Zhong)。(?)
6、(?)不(Bu)按(An)规(Gui)定(Ding)下(Xia)料(Liao),(?)一(Yi)次(Ci)下(Xia)料(Liao)过(Guo)多(Duo),(?)振(Zhen)捣(Dao)器(Qi)振(Zhen)动(Dong)作(Zuo)用(Yong)半(Ban)径(Jing)达(Da)不(Bu)到(Dao),(?)出(Chu)现(Xian)特(Te)大(Da)蜂(Feng)窝(Wo)和(He)孔(Kong)洞(Dong)。(?)
预(Yu)防(Fang)措(Cuo)施(Shi):(?)
1、(?)在(Zai)钢(Gang)筋(Jin)密(Mi)集(Ji)处(Chu),(?)采(Cai)用(Yong)细(Xi)石(Shi)砼(Tong)浇(Jiao)筑(Zhu),(?)并(Bing)认(Ren)真(Zhen)振(Zhen)捣(Dao)密(Mi)实(Shi),(?)机(Ji)械(Xie)振(Zhen)捣(Dao)有(You)困(Kun)难(Nan)时(Shi),(?)采(Cai)用(Yong)人(Ren)工(Gong)捣(Dao)固(Gu)配(Pei)合(He)。(?)
2、(?)采(Cai)用(Yong)正(Zheng)确(Que)的(De)振(Zhen)捣(Dao)方(Fang)法(Fa),(?)严(Yan)防(Fang)漏(Lou)捣(Dao):(?) a、(?)插(Cha)入(Ru)式(Shi)振(Zhen)捣(Dao)器(Qi)应(Ying)采(Cai)用(Yong)垂(Chui)直(Zhi)振(Zhen)捣(Dao)方(Fang)法(Fa),(?)即(Ji)振(Zhen)捣(Dao)棒(Bang)与(Yu)砼(Tong)表(Biao)面(Mian)垂(Chui)直(Zhi)。(?)斜(Xie)向(Xiang)振(Zhen)捣(Dao)时(Shi),(?)振(Zhen)捣(Dao)棒(Bang)与(Yu)砼(Tong)表(Biao)面(Mian)成(Cheng)约(Yue)40~(?)45°(?)角(Jiao)度(Du)。(?) b、(?)振(Zhen)捣(Dao)器(Qi)插(Cha)点(Dian)应(Ying)均(Jun)匀(Yun)排(Pai)列(Lie),(?)可(Ke)采(Cai)用(Yong)行(Xing)列(Lie)式(Shi)或(Huo)交(Jiao)错(Cuo)式(Shi)顺(Shun)序(Xu)移(Yi)动(Dong),(?)以(Yi)免(Mian)漏(Lou)振(Zhen)。(?)每(Mei)次(Ci)移(Yi)动(Dong)距(Ju)离(Li)不(Bu)大(Da)于(Yu)振(Zhen)捣(Dao)棒(Bang)作(Zuo)用(Yong)半(Ban)径(Jing)的(De)1.5倍(Bei)。(?)振(Zhen)捣(Dao)器(Qi)操(Cao)作(Zuo)时(Shi)快(Kuai)插(Cha)慢(Man)拔(Ba)。(?)
3、(?)控(Kong)制(Zhi)好(Hao)下(Xia)料(Liao)。(?)要(Yao)保(Bao)证(Zheng)砼(Tong)浇(Jiao)筑(Zhu)时(Shi)不(Bu)产(Chan)生(Sheng)离(Li)析(Xi),(?)砼(Tong)自(Zi)由(You)倾(Qing)落(Luo)高(Gao)度(Du)不(Bu)超(Chao)过(Guo)2m,(?)大(Da)于(Yu)2m时(Shi)要(Yao)用(Yong)溜(Liu)槽(Cao)、(?)串(Chuan)筒(Tong)。(?)
4、(?)加(Jia)强(Qiang)施(Shi)工(Gong)技(Ji)术(Shu)管(Guan)理(Li)和(He)质(Zhi)量(Liang)检(Jian)查(Cha)工(Gong)作(Zuo)。(?)
五(Wu)、(?)露(Lu)筋(Jin)
现(Xian)象(Xiang):(?)钢(Gang)筋(Jin)砼(Tong)结(Jie)构(Gou)内(Nei)的(De)主(Zhu)筋(Jin)外(Wai)露(Lu)。(?)
原(Yuan)因(Yin)分(Fen)析(Xi):(?)
1、(?)砼(Tong)浇(Jiao)筑(Zhu)时(Shi),(?)个(Ge)别(Bie)砂(Sha)浆(Jiang)垫(Dian)块(Kuai)移(Yi)位(Wei)或(Huo)垫(Dian)块(Kuai)太(Tai)少(Shao)甚(Shen)至(Zhi)漏(Lou)放(Fang),(?)钢(Gang)筋(Jin)紧(Jin)贴(Tie)模(Mo)板(Ban),(?)致(Zhi)使(Shi)拆(Chai)模(Mo)后(Hou)露(Lu)筋(Jin)。(?)
2、(?)钢(Gang)筋(Jin)砼(Tong)结(Jie)构(Gou)断(Duan)面(Mian)较(Jiao)小(Xiao),(?)钢(Gang)筋(Jin)过(Guo)密(Mi),(?)如(Ru)遇(Yu)大(Da)石(Shi)子(Zi)卡(Ka)在(Zai)钢(Gang)筋(Jin)上(Shang),(?)砼(Tong)不(Bu)能(Neng)充(Chong)满(Man)钢(Gang)筋(Jin)周(Zhou)围(Wei),(?)使(Shi)钢(Gang)筋(Jin)密(Mi)集(Ji)处(Chu)产(Chan)生(Sheng)露(Lu)筋(Jin)。(?)
3、(?)砼(Tong)产(Chan)生(Sheng)离(Li)析(Xi),(?)浇(Jiao)注(Zhu)部(Bu)位(Wei)缺(Que)水(Shui)泥(Ni)浆(Jiang)或(Huo)模(Mo)板(Ban)严(Yan)重(Zhong)漏(Lou)浆(Jiang),(?)造(Zao)成(Cheng)露(Lu)筋(Jin)。(?)
4、(?)砼(Tong)振(Zhen)捣(Dao)时(Shi),(?)振(Zhen)捣(Dao)棒(Bang)撞(Zhuang)击(Ji)钢(Gang)筋(Jin),(?)使(Shi)钢(Gang)筋(Jin)移(Yi)位(Wei),(?)造(Zao)成(Cheng)露(Lu)筋(Jin)
5、(?)砼(Tong)保(Bao)护(Hu)层(Ceng)振(Zhen)捣(Dao)不(Bu)密(Mi)实(Shi),(?),(?)砼(Tong)表(Biao)面(Mian)失(Shi)水(Shui)过(Guo)多(Duo),(?)或(Huo)拆(Chai)模(Mo)过(Guo)早(Zao)等(Deng),(?)拆(Chai)模(Mo)时(Shi)砼(Tong)缺(Que)棱(Leng)掉(Diao)角(Jiao),(?)造(Zao)成(Cheng)露(Lu)筋(Jin)。(?)
预(Yu)防(Fang)措(Cuo)施(Shi):(?)
1、(?)浇(Jiao)筑(Zhu)砼(Tong)前(Qian),(?)检(Jian)查(Cha)钢(Gang)筋(Jin)位(Wei)置(Zhi)和(He)保(Bao)护(Hu)层(Ceng)厚(Hou)度(Du)是(Shi)否(Fou)准(Zhun)确(Que)
2、(?)为(Wei)保(Bao)证(Zheng)砼(Tong)保(Bao)护(Hu)层(Ceng)的(De)厚(Hou)度(Du),(?)固(Gu)定(Ding)好(Hao)砂(Sha)浆(Jiang)垫(Dian)块(Kuai)。(?)
3、(?)钢(Gang)筋(Jin)较(Jiao)密(Mi)集(Ji)时(Shi),(?)选(Xuan)配(Pei)合(He)适(Shi)的(De)卵(Luan)石(Shi)。(?)卵(Luan)石(Shi)zui大(Da)颗(Ke)粒(Li)尺(Chi)寸(Cun)不(Bu)超(Chao)过(Guo)结(Jie)构(Gou)截(Jie)面(Mian)zui小(Xiao)尺(Chi)寸(Cun)的(De)1/4,(?)同(Tong)时(Shi)不(Bu)大(Da)于(Yu)钢(Gang)筋(Jin)净(Jing)距(Ju)的(De)3/4。(?)结(Jie)构(Gou)截(Jie)面(Mian)较(Jiao)小(Xiao)、(?)钢(Gang)筋(Jin)较(Jiao)密(Mi)时(Shi),(?)采(Cai)用(Yong)细(Xi)石(Shi)砼(Tong)浇(Jiao)筑(Zhu)。(?)
4、(?)为(Wei)防(Fang)止(Zhi)钢(Gang)筋(Jin)移(Yi)位(Wei),(?)严(Yan)禁(Jin)振(Zhen)捣(Dao)棒(Bang)撞(Zhuang)击(Ji)钢(Gang)筋(Jin)。(?)在(Zai)钢(Gang)筋(Jin)密(Mi)集(Ji)处(Chu),(?)采(Cai)用(Yong)小(Xiao)直(Zhi)径(Jing)振(Zhen)捣(Dao)棒(Bang)振(Zhen)捣(Dao)。(?)保(Bao)护(Hu)层(Ceng)砼(Tong)振(Zhen)捣(Dao)密(Mi)实(Shi)。(?)
5、(?)砼(Tong)自(Zi)由(You)下(Xia)落(Luo)高(Gao)度(Du)超(Chao)过(Guo)2m时(Shi),(?)用(Yong)串(Chuan)筒(Tong)或(Huo)溜(Liu)槽(Cao)。(?)
6、(?)拆(Chai)模(Mo)时(Shi)间(Jian)要(Yao)根(Gen)据(Ju)试(Shi)件(Jian)试(Shi)验(Yan)结(Jie)果(Guo)确(Que)定(Ding),(?)防(Fang)止(Zhi)过(Guo)早(Zao)拆(Chai)模(Mo)。(?)
7、(?)施(Shi)工(Gong)中(Zhong)不(Bu)得(De)踩(Cai)踏(Ta)钢(Gang)筋(Jin),(?)如(Ru)钢(Gang)筋(Jin)有(You)踩(Cai)弯(Wan)或(Huo)脱(Tuo)扣(Kou)者(Zhe),(?)及(Ji)时(Shi)处(Chu)理(Li)。(?)
九(Jiu)、(?)混(Hun)凝(Ning)土(Tu)工(Gong)程(Cheng)质(Zhi)量(Liang)检(Jian)验(Yan)和(He)质(Zhi)量(Liang)标(Biao)准(Zhun)
1、(?)质(Zhi)量(Liang)检(Jian)验(Yan)
各(Ge)种(Zhong)材(Cai)料(Liao)、(?)各(Ge)工(Gong)程(Cheng)项(Xiang)目(Mu)和(He)各(Ge)工(Gong)序(Xu),(?)应(Ying)经(Jing)常(Chang)进(Jin)行(Xing)检(Jian)验(Yan),(?)保(Bao)证(Zheng)符(Fu)合(He)设(She)计(Ji)和(He)施(Shi)工(Gong)技(Ji)术(Shu)规(Gui)范(Fan)的(De)要(Yao)求(Qiu)。(?)检(Jian)验(Yan)项(Xiang)目(Mu)和(He)次(Ci)数(Shu)应(Ying)符(Fu)合(He)下(Xia)列(Lie)规(Gui)定(Ding):(?)
①(?)浇(Jiao)筑(Zhu)混(Hun)凝(Ning)土(Tu)前(Qian)的(De)检(Jian)验(Yan):(?)
施(Shi)工(Gong)设(She)备(Bei)和(He)场(Chang)地(Di);(?)混(Hun)凝(Ning)土(Tu)组(Zu)成(Cheng)材(Cai)料(Liao)及(Ji)配(Pei)合(He)比(Bi)((?)包(Bao)括(Kuo)外(Wai)加(Jia)剂(Ji))(?);(?)混(Hun)凝(Ning)土(Tu)凝(Ning)结(Jie)速(Su)度(Du)等(Deng)性(Xing)能(Neng);(?)基(Ji)础(Chu)、(?)钢(Gang)筋(Jin)、(?)预(Yu)埋(Mai)件(Jian)等(Deng)隐(Yin)蔽(Bi)工(Gong)程(Cheng)及(Ji)支(Zhi)架(Jia)、(?)模(Mo)板(Ban);(?)养(Yang)护(Hu)方(Fang)法(Fa)及(Ji)设(She)施(Shi),(?)安(An)全(Quan)设(She)施(Shi)。(?)
②(?)拌(Ban)制(Zhi)和(He)浇(Jiao)筑(Zhu)混(Hun)凝(Ning)土(Tu)时(Shi)的(De)检(Jian)验(Yan):(?)
混(Hun)凝(Ning)土(Tu)组(Zu)成(Cheng)材(Cai)料(Liao)的(De)外(Wai)观(Guan)及(Ji)配(Pei)料(Liao)、(?)拌(Ban)制(Zhi),(?)每(Mei)工(Gong)作(Zuo)班(Ban)至(Zhi)少(Shao)2次(Ci),(?)必(Bi)要(Yao)时(Shi)随(Sui)时(Shi)抽(Chou)样(Yang)试(Shi)验(Yan);(?)混(Hun)凝(Ning)土(Tu)的(De)坍(Tan)落(Luo)度(Du)等(Deng)每(Mei)工(Gong)作(Zuo)班(Ban)至(Zhi)少(Shao)2次(Ci);(?)砂(Sha)石(Shi)材(Cai)料(Liao)的(De)含(Han)水(Shui)率(Lu),(?)每(Mei)日(Ri)开(Kai)工(Gong)前(Qian)1次(Ci),(?)气(Qi)候(Hou)有(You)较(Jiao)大(Da)变(Bian)化(Hua)时(Shi)随(Sui)时(Shi)检(Jian)测(Ce),(?)当(Dang)含(Han)水(Shui)率(Lu)变(Bian)化(Hua)较(Jiao)大(Da),(?)将(Jiang)使(Shi)配(Pei)料(Liao)偏(Pian)差(Cha)超(Chao)过(Guo)规(Gui)定(Ding)时(Shi),(?)应(Ying)及(Ji)时(Shi)调(Diao)整(Zheng);(?)钢(Gang)筋(Jin)、(?)模(Mo)板(Ban)、(?)支(Zhi)架(Jia)等(Deng)稳(Wen)固(Gu)性(Xing)和(He)安(An)装(Zhuang)位(Wei)置(Zhi);(?)混(Hun)凝(Ning)土(Tu)的(De)运(Yun)输(Shu)、(?)浇(Jiao)筑(Zhu)方(Fang)法(Fa)和(He)质(Zhi)量(Liang);(?)外(Wai)加(Jia)剂(Ji)使(Shi)用(Yong)效(Xiao)果(Guo);(?)制(Zhi)作(Zuo)混(Hun)凝(Ning)土(Tu)试(Shi)件(Jian)。(?)
③(?)养(Yang)护(Hu)情(Qing)况(Kuang):(?)
混(Hun)凝(Ning)土(Tu)强(Qiang)度(Du),(?)拆(Chai)模(Mo)时(Shi)间(Jian);(?)混(Hun)凝(Ning)土(Tu)外(Wai)漏(Lou)面(Mian)质(Zhi)量(Liang);(?)结(Jie)构(Gou)外(Wai)形(Xing)尺(Chi)寸(Cun)、(?)位(Wei)置(Zhi)、(?)变(Bian)形(Xing)和(He)沉(Chen)降(Jiang)。(?)
2、(?)质(Zhi)量(Liang)标(Biao)准(Zhun):(?)
混(Hun)凝(Ning)土(Tu)28天(Tian)抗(Kang)压(Ya)强(Qiang)度(Du)应(Ying)符(Fu)合(He)设(She)计(Ji)及(Ji)规(Gui)范(Fan)要(Yao)求(Qiu)。(?)
结(Jie)构(Gou)混(Hun)凝(Ning)土(Tu)外(Wai)观(Guan)质(Zhi)量(Liang)应(Ying)符(Fu)合(He)下(Xia)列(Lie)规(Gui)定(Ding):(?)表(Biao)面(Mian)应(Ying)密(Mi)实(Shi)、(?)平(Ping)整(Zheng);(?)如(Ru)有(You)蜂(Feng)窝(Wo)、(?)麻(Ma)面(Mian),(?)其(Qi)面(Mian)积(Ji)不(Bu)超(Chao)过(Guo)结(Jie)构(Gou)同(Tong)侧(Ce)面(Mian)积(Ji)的(De)0.5%(?);(?)如(Ru)有(You)裂(Lie)缝(Feng),(?)其(Qi)宽(Kuan)度(Du)不(Bu)得(De)大(Da)于(Yu)设(She)计(Ji)规(Gui)定(Ding)或(Huo)设(She)计(Ji)未(Wei)规(Gui)定(Ding)时(Shi)不(Bu)得(De)超(Chao)过(Guo)0.15mm;(?)小(Xiao)型(Xing)构(Gou)件(Jian)无(Wu)翘(Qiao)曲(Qu)现(Xian)象(Xiang);(?)不(Bu)得(De)出(Chu)现(Xian)露(Lu)筋(Jin)和(He)空(Kong)洞(Dong)现(Xian)象(Xiang)。(?)
十(Shi)、(?)安(An)全(Quan)措(Cuo)施(Shi)及(Ji)防(Fang)护(Hu)措(Cuo)施(Shi)
((?)一(Yi))(?)安(An)全(Quan)措(Cuo)施(Shi)
1、(?)运(Yun)输(Shu)砼(Tong)的(De)道(Dao)路(Lu)等(Deng)设(She)施(Shi)应(Ying)平(Ping)顺(Shun)牢(Lao)固(Gu)。(?)
2、(?)施(Shi)工(Gong)用(Yong)各(Ge)种(Zhong)机(Ji)械(Xie),(?)应(Ying)有(You)开(Kai)关(Guan)箱(Xiang),(?)并(Bing)装(Zhuang)置(Zhi)漏(Lou)电(Dian)保(Bao)护(Hu)器(Qi),(?)停(Ting)机(Ji)后(Hou)应(Ying)拉(La)断(Duan)电(Dian)闸(Zha)做(Zuo)到(Dao)一(Yi)机(Ji)一(Yi)闸(Zha)一(Yi)漏(Lou)一(Yi)箱(Xiang),(?)漏(Lou)电(Dian)保(Bao)护(Hu)装(Zhuang)置(Zhi)应(Ying)与(Yu)设(She)备(Bei)相(Xiang)匹(Pi)配(Pei)。(?)不(Bu)得(De)用(Yong)一(Yi)个(Ge)开(Kai)关(Guan)直(Zhi)接(Jie)控(Kong)制(Zhi)2台(Tai)及(Ji)以(Yi)上(Shang)的(De)用(Yong)电(Dian)设(She)备(Bei),(?)工(Gong)作(Zuo)接(Jie)地(Di)电(Dian)阻(Zu)值(Zhi)不(Bu)得(De)大(Da)于(Yu)4欧(Ou)。(?)
3、(?)施(Shi)工(Gong)前(Qian)应(Ying)对(Dui)当(Dang)地(Di)地(Di)形(Xing),(?)地(Di)物(Wu)、(?)地(Di)貌(Mao)工(Gong)程(Cheng)地(Di)质(Zhi),(?)水(Shui)文(Wen)地(Di)质(Zhi)气(Qi)象(Xiang)水(Shui)电(Dian)供(Gong)应(Ying),(?)交(Jiao)通(Tong)运(Yun)输(Shu),(?)施(Shi)工(Gong)环(Huan)境(Jing)及(Ji)地(Di)下(Xia)隐(Yin)藏(Cang)物(Wu)等(Deng)做(Zuo)好(Hao)调(Diao)查(Cha),(?)根(Gen)据(Ju)调(Diao)查(Cha)情(Qing)况(Kuang)应(Ying)对(Dui)运(Yun)输(Shu)道(Dao)路(Lu),(?)材(Cai)料(Liao)堆(Dui)放(Fang),(?)生(Sheng)产(Chan)生(Sheng)活(Huo)设(She)施(Shi)及(Ji)环(Huan)境(Jing)保(Bao)护(Hu)作(Zuo)全(Quan)面(Mian)安(An)排(Pai),(?)并(Bing)应(Ying)符(Fu)合(He)防(Fang)洪(Hong)、(?)防(Fang)火(Huo)、(?)防(Fang)震(Zhen)、(?)防(Fang)水(Shui)以(Yi)及(Ji)安(An)全(Quan)卫(Wei)生(Sheng)和(He)环(Huan)境(Jing)保(Bao)护(Hu)的(De)要(Yao)求(Qiu)。(?)
4、(?)施(Shi)工(Gong)现(Xian)场(Chang)应(Ying)有(You)安(An)全(Quan)标(Biao)志(Zhi),(?)在(Zai)悬(Xuan)崖(Ya)、(?)陡(Dou)坡(Po)、(?)沟(Gou)、(?)横(Heng)井(Jing)等(Deng)危(Wei)险(Xian)部(Bu)位(Wei)必(Bi)须(Xu)设(She)有(You)防(Fang)护(Hu)设(She)备(Bei)和(He)安(An)全(Quan)标(Biao)志(Zhi),(?)在(Zai)临(Lin)街(Jie),(?)交(Jiao)通(Tong)干(Gan)道(Dao)附(Fu)近(Jin)和(He)居(Ju)民(Min)密(Mi)集(Ji)地(Di)段(Duan)施(Shi)工(Gong)时(Shi),(?)必(Bi)须(Xu)设(She)安(An)全(Quan)围(Wei)拦(Lan)和(He)警(Jing)示(Shi)牌(Pai)((?)灯(Deng))(?),(?)实(Shi)行(Xing)封(Feng)闭(Bi)管(Guan)理(Li),(?)严(Yan)禁(Jin)非(Fei)施(Shi)工(Gong)人(Ren)员(Yuan)进(Jin)入(Ru)施(Shi)工(Gong)现(Xian)场(Chang),(?)夜(Ye)间(Jian)施(Shi)工(Gong)作(Zuo)业(Ye),(?)应(Ying)有(You)足(Zu)够(Gou)的(De)照(Zhao)明(Ming)设(She)备(Bei)。(?)
5、(?)施(Shi)工(Gong)机(Ji)械(Xie)设(She)备(Bei)使(Shi)用(Yong)前(Qian)应(Ying)经(Jing)过(Guo)调(Diao)试(Shi),(?)检(Jian)测(Ce)确(Que)认(Ren)技(Ji)术(Shu)性(Xing)能(Neng)和(He)安(An)全(Quan)装(Zhuang)置(Zhi)状(Zhuang)态(Tai)良(Liang)好(Hao)后(Hou)方(Fang)准(Zhun)使(Shi)用(Yong)。(?)施(Shi)工(Gong)用(Yong)各(Ge)种(Zhong)机(Ji)械(Xie),(?)按(An)有(You)关(Guan)规(Gui)章(Zhang)条(Tiao)文(Wen),(?)制(Zhi)定(Ding)安(An)全(Quan)规(Gui)章(Zhang)操(Cao)作(Zuo)制(Zhi)度(Du),(?)操(Cao)作(Zuo)人(Ren)员(Yuan)应(Ying)持(Chi)有(You)上(Shang)岗(Gang)证(Zheng)件(Jian),(?)并(Bing)应(Ying)熟(Shu)悉(Xi)机(Ji)械(Xie)的(De)性(Xing)能(Neng)和(He)操(Cao)作(Zuo)方(Fang)法(Fa),(?)并(Bing)具(Ju)有(You)对(Dui)机(Ji)械(Xie)发(Fa)生(Sheng)事(Shi)故(Gu)采(Cai)取(Qu)紧(Jin)急(Ji)措(Cuo)施(Shi)的(De)能(Neng)力(Li)。(?)
6、(?)施(Shi)工(Gong)机(Ji)械(Xie)操(Cao)作(Zuo)人(Ren)应(Ying)按(An)机(Ji)械(Xie)设(She)备(Bei)的(De)规(Gui)定(Ding)使(Shi)用(Yong),(?)不(Bu)得(De)超(Chao)出(Chu)规(Gui)定(Ding)的(De)使(Shi)用(Yong)范(Fan)围(Wei)或(Huo)超(Chao)负(Fu)荷(He)运(Yun)输(Shu),(?)不(Bu)得(De)擅(Shan)自(Zi)离(Li)开(Kai)工(Gong)作(Zuo)岗(Gang)位(Wei),(?)严(Yan)禁(Jin)疲(Pi)劳(Lao)作(Zuo)业(Ye)带(Dai)故(Gu)障(Zhang)作(Zuo)业(Ye)和(He)违(Wei)章(Zhang)作(Zuo)业(Ye)。(?)
7、(?) 搅(Jiao)拌(Ban)作(Zuo)业(Ye)时(Shi),(?)不(Bu)得(De)将(Jiang)头(Tou)、(?)手(Shou)伸(Shen)入(Ru)料(Liao)斗(Dou)和(He)机(Ji)架(Jia)之(Zhi)间(Jian),(?)手(Shou)或(Huo)工(Gong)具(Ju)不(Bu)得(De)伸(Shen)入(Ru)搅(Jiao)拌(Ban)筒(Tong)内(Nei)扒(Ba)料(Liao),(?)出(Chu)料(Liao)。(?)料(Liao)斗(Dou)升(Sheng)起(Qi)时(Shi),(?)人(Ren)员(Yuan)不(Bu)得(De)从(Cong)料(Liao)斗(Dou)下(Xia)方(Fang)穿(Chuan)行(Xing),(?)作(Zuo)业(Ye)后(Hou),(?)应(Ying)将(Jiang)料(Liao)斗(Dou)落(Luo)到(Dao)坑(Keng)内(Nei),(?)当(Dang)升(Sheng)起(Qi)或(Huo)清(Qing)除(Chu)料(Liao)斗(Dou)坑(Keng)内(Nei)杂(Za)物(Wu)时(Shi),(?)应(Ying)将(Jiang)料(Liao)斗(Dou)用(Yong)链(Lian)条(Tiao)扭(Niu)牢(Lao)。(?)
((?)二(?))(?)防(Fang)护(Hu)措(Cuo)施(Shi)
1、(?)对(Dui)已(Yi)灌(Guan)注(Zhu)的(De)砼(Tong),(?)在(Zai)养(Yang)护(Hu)期(Qi)或(Huo)未(Wei)交(Jiao)验(Yan)期(Qi)内(Nei),(?)对(Dui)产(Chan)品(Pin)应(Ying)进(Jin)行(Xing)防(Fang)护(Hu),(?)产(Chan)品(Pin)周(Zhou)围(Wei)设(She)置(Zhi)围(Wei)栏(Lan),(?)必(Bi)要(Yao)时(Shi)要(Yao)设(She)专(Zhuan)人(Ren)防(Fang)护(Hu)。(?)
2、(?)砼(Tong)浇(Jiao)筑(Zhu)期(Qi)间(Jian),(?)及(Ji)时(Shi)核(He)对(Dui)预(Yu)埋(Mai)件(Jian)和(He)预(Yu)留(Liu)孔(Kong)洞(Dong)位(Wei)置(Zhi)。(?)
3、(?)砼(Tong)成(Cheng)品(Pin)在(Zai)未(Wei)达(Da)到(Dao)设(She)计(Ji)强(Qiang)度(Du)时(Shi),(?)不(Bu)准(Zhun)任(Ren)何(He)车(Che)辆(Liang)碾(Nian)压(Ya)和(He)通(Tong)行(Xing)。(?)
4、(?)对(Dui)已(Yi)灌(Guan)注(Zhu)的(De)砼(Tong)产(Chan)品(Pin),(?)各(Ge)部(Bu)位(Wei)的(De)模(Mo)板(Ban),(?)支(Zhi)撑(Cheng)拆(Chai)除(Chu),(?)应(Ying)按(An)设(She)计(Ji)及(Ji)规(Gui)范(Fan)要(Yao)求(Qiu)执(Zhi)行(Xing),(?)以(Yi)确(Que)保(Bao)砼(Tong)产(Chan)品(Pin)不(Bu)受(Shou)到(Dao)损(Sun)伤(Shang)。(?)
十(Shi)一(Yi)、(?)环(Huan)保(Bao)、(?)文(Wen)明(Ming)施(Shi)工(Gong)措(Cuo)施(Shi)
1、(?)冲(Chong)洗(Xi)骨(Gu)料(Liao)的(De)水(Shui)或(Huo)施(Shi)工(Gong)废(Fei)水(Shui),(?)必(Bi)须(Xu)经(Jing)过(Guo)过(Guo)滤(Lu)、(?)沉(Chen)淀(Dian)或(Huo)其(Qi)它(Ta)方(Fang)法(Fa)处(Chu)理(Li)后(Hou)才(Cai)允(Yun)许(Xu)排(Pai)入(Ru)水(Shui)域(Yu)。(?)
2、(?)靠(Kao)近(Jin)生(Sheng)活(Huo)水(Shui)源(Yuan)施(Shi)工(Gong)产(Chan)生(Sheng)的(De)污(Wu)水(Shui)要(Yao)用(Yong)沟(Gou)、(?)堤(Di)同(Tong)生(Sheng)活(Huo)水(Shui)源(Yuan)隔(Ge)离(Li),(?)避(Bi)免(Mian)污(Wu)染(Ran)生(Sheng)活(Huo)水(Shui)源(Yuan)。(?)严(Yan)禁(Jin)污(Wu)水(Shui)流(Liu)入(Ru)既(Ji)有(You)生(Sheng)活(Huo)水(Shui)源(Yuan),(?)污(Wu)染(Ran)水(Shui)质(Zhi)。(?)
3、(?)对(Dui)混(Hun)凝(Ning)土(Tu)施(Shi)工(Gong)现(Xian)场(Chang)不(Bu)断(Duan)地(Di)进(Jin)行(Xing)整(Zheng)理(Li)、(?)整(Zheng)顿(Dun)、(?)清(Qing)扫(Sao)、(?)清(Qing)洁(Jie),(?)有(You)效(Xiao)地(Di)实(Shi)现(Xian)文(Wen)明(Ming)施(Shi)工(Gong)。(?)
4、(?)尊(Zun)重(Zhong)地(Di)方(Fang)居(Ju)民(Min)的(De)生(Sheng)活(Huo)习(Xi)性(Xing)和(He)民(Min)族(Zu)风(Feng)俗(Su),(?)搞(Gao)好(Hao)施(Shi)工(Gong)队(Dui)伍(Wu)与(Yu)当(Dang)地(Di)政(Zheng)府(Fu)、(?)地(Di)方(Fang)居(Ju)民(Min)的(De)关(Guan)系(Xi),(?)做(Zuo)到(Dao)遵(Zun)纪(Ji)守(Shou)法(Fa)、(?)行(Xing)为(Wei)规(Gui)范(Fan)、(?)文(Wen)明(Ming)施(Shi)工(Gong)。(?)
5、(?)在(Zai)危(Wei)险(Xian)地(Di)带(Dai)施(Shi)工(Gong)时(Shi),(?)设(She)立(Li)明(Ming)显(Xian)的(De)标(Biao)志(Zhi),(?)提(Ti)醒(Xing)施(Shi)工(Gong)人(Ren)员(Yuan)和(He)行(Xing)人(Ren)注(Zhu)意(Yi)。(?)
|南(Nan)昌(Chang)混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)劳(Lao)务(Wu)|抚(Fu)州(Zhou)混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)|南(Nan)昌(Chang)建(Jian)筑(Zhu)混(Hun)凝(Ning)土(Tu)承(Cheng)包(Bao)|江(Jiang)西(Xi)混(Hun)凝(Ning)土(Tu)劳(Lao)务(Wu)分(Fen)包(Bao)-|南(Nan)昌(Chang)混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)劳(Lao)务(Wu)|抚(Fu)州(Zhou)混(Hun)凝(Ning)土(Tu)作(Zuo)业(Ye)|南(Nan)昌(Chang)建(Jian)筑(Zhu)混(Hun)凝(Ning)土(Tu)承(Cheng)包(Bao)|江(Jiang)西(Xi)混(Hun)凝(Ning)土(Tu)劳(Lao)务(Wu)分(Fen)包(Bao)