随(Sui)着(Zhuo)时(Shi)代(Dai)的(De)不(Bu)断(Duan)发(Fa)展(Zhan),(?)公(Gong)路(Lu)、(?)桥(Qiao)梁(Liang)、(?)大(Da)坝(Ba)、(?)隧(Sui)道(Dao)、(?)高(Gao)层(Ceng)建(Jian)筑(Zhu)等(Deng)的(De)不(Bu)断(Duan)修(Xiu)建(Jian),(?)四(Si)川(Chuan)减(Jian)水(Shui)剂(Ji)就(Jiu)走(Zou)进(Jin)了(Liao)我(Wo)们(Men)的(De)视(Shi)线(Xian),(?)下(Xia)面(Mian)就(Jiu)来(Lai)和(He)小(Xiao)编(Bian)一(Yi)起(Qi)来(Lai)了(Liao)解(Jie)一(Yi)下(Xia)他(Ta)的(De)作(Zuo)用(Yong)和(He)优(You)势(Shi)。(?)
使(Shi)用(Yong)减(Jian)水(Shui)剂(Ji)的(De)主(Zhu)要(Yao)作(Zuo)用(Yong)是(Shi)改(Gai)善(Shan)混(Hun)凝(Ning)土(Tu)的(De)和(He)易(Yi)性(Xing);(?)和(He)易(Yi)性(Xing)是(Shi)指(Zhi)新(Xin)拌(Ban)水(Shui)泥(Ni)混(Hun)凝(Ning)土(Tu)易(Yi)于(Yu)各(Ge)工(Gong)序(Xu)施(Shi)工(Gong)操(Cao)作(Zuo)((?)搅(Jiao)拌(Ban)、(?)运(Yun)输(Shu)、(?)浇(Jiao)注(Zhu)、(?)捣(Dao)实(Shi)等(Deng))(?)并(Bing)能(Neng)获(Huo)得(De)质(Zhi)量(Liang)均(Jun)匀(Yun)、(?)成(Cheng)型(Xing)密(Mi)实(Shi)的(De)性(Xing)能(Neng),(?)包(Bao)含(Han)流(Liu)动(Dong)性(Xing)、(?)粘(Zhan)聚(Ju)性(Xing)及(Ji)保(Bao)水(Shui)性(Xing)。(?)称(Cheng)混(Hun)凝(Ning)土(Tu)的(De)工(Gong)作(Zuo)性(Xing)。(?)
在(Zai)施(Shi)工(Gong)中(Zhong),(?)使(Shi)用(Yong)混(Hun)凝(Ning)土(Tu)要(Yao)考(Kao)虑(Lu)新(Xin)拌(Ban)混(Hun)凝(Ning)土(Tu)的(De)施(Shi)工(Gong)性(Xing)能(Neng)(也(Ye)称(Cheng)作(Zuo)塑(Su)性(Xing)工(Gong)作(Zuo)性(Xing),(?)用(Yong)塌(Ta)落(Luo)度(Du)、(?)扩(Kuo)展(Zhan)度(Du)评(Ping)定(Ding))和(He)硬(Ying)化(Hua)混(Hun)凝(Ning)土(Tu)性(Xing)能(Neng),(?)包(Bao)括(Kuo)力(Li)学(Xue)性(Xing)能(Neng)(强(Qiang)度(Du))、(?)抗(Kang)渗(Shen)性(Xing)和(He)耐(Nai)久(Jiu)性(Xing)等(Deng)等(Deng)。(?)混(Hun)凝(Ning)土(Tu)加(Jia)水(Shui)量(Liang)越(Yue)大(Da)(或(Huo)水(Shui)/水(Shui)泥(Ni)重(Zhong)量(Liang)比(Bi)越(Yue)高(Gao)),(?)新(Xin)拌(Ban)混(Hun)凝(Ning)土(Tu)越(Yue)容(Rong)易(Yi)浇(Jiao)捣(Dao)成(Cheng)型(Xing),(?)即(Ji)越(Yue)容(Rong)易(Yi)施(Shi)工(Gong)。(?)但(Dan)是(Shi),(?)用(Yong)水(Shui)量(Liang)越(Yue)大(Da)(水(Shui)/水(Shui)泥(Ni)比(Bi)越(Yue)高(Gao)),(?)硬(Ying)化(Hua)混(Hun)凝(Ning)土(Tu)的(De)强(Qiang)度(Du)越(Yue)低(Di)、(?)抗(Kang)渗(Shen)性(Xing)和(He)耐(Nai)久(Jiu)性(Xing)越(Yue)差(Cha)。(?)使(Shi)用(Yong)减(Jian)水(Shui)剂(Ji)就(Jiu)是(Shi)为(Wei)了(Liao)解(Jie)决(Jue)这(Zhe)个(Ge)矛(Mao)盾(Dun)。(?)减(Jian)水(Shui)剂(Ji)属(Shu)于(Yu)表(Biao)面(Mian)活(Huo)性(Xing)剂(Ji),(?)加(Jia)入(Ru)混(Hun)凝(Ning)土(Tu)后(Hou),(?)可(Ke)以(Yi)使(Shi)新(Xin)拌(Ban)混(Hun)凝(Ning)土(Tu)在(Zai)较(Jiao)低(Di)用(Yong)水(Shui)量(Liang)的(De)情(Qing)况(Kuang)下(Xia),(?)保(Bao)持(Chi)很(Hen)好(Hao)的(De)塑(Su)性(Xing)工(Gong)作(Zuo)性(Xing)。(?)这(Zhe)样(Yang),(?)混(Hun)凝(Ning)土(Tu)既(Ji)容(Rong)易(Yi)施(Shi)工(Gong),(?)又(You)可(Ke)以(Yi)..具(Ju)有(You)满(Man)意(Yi)的(De)硬(Ying)化(Hua)性(Xing)能(Neng)。(?)所(Suo)以(Yi),(?)现(Xian)在(Zai)减(Jian)水(Shui)剂(Ji)已(Yi)经(Jing)非(Fei)常(Chang)广(Guang)泛(Fan)地(Di)在(Zai)混(Hun)凝(Ning)土(Tu)中(Zhong)应(Ying)用(Yong)。(?)
混(Hun)凝(Ning)土(Tu)..减(Jian)水(Shui)剂(Ji)的(De)作(Zuo)用(Yong)
1、(?)在(Zai)不(Bu)改(Gai)变(Bian)各(Ge)种(Zhong)原(Yuan)材(Cai)料(Liao)配(Pei)比(Bi)的(De)情(Qing)况(Kuang)下(Xia),(?)添(Tian)加(Jia)混(Hun)凝(Ning)土(Tu)..减(Jian)水(Shui)剂(Ji),(?)不(Bu)会(Hui)直(Zhi)接(Jie)改(Gai)变(Bian)混(Hun)凝(Ning)土(Tu)强(Qiang)度(Du),(?)可(Ke)以(Yi)大(Da)幅(Fu)度(Du)提(Ti)高(Gao)混(Hun)凝(Ning)土(Tu)的(De)流(Liu)变(Bian)性(Xing)及(Ji)可(Ke)塑(Su)性(Xing),(?)使(Shi)得(De)混(Hun)凝(Ning)土(Tu)施(Shi)工(Gong)可(Ke)以(Yi)采(Cai)用(Yong)自(Zi)流(Liu)、(?)泵(Beng)送(Song)、(?)无(Wu)需(Xu)振(Zhen)动(Dong)等(Deng)方(Fang)式(Shi)进(Jin)行(Xing)施(Shi)工(Gong),(?)提(Ti)高(Gao)施(Shi)工(Gong)速(Su)度(Du)、(?)降(Jiang)低(Di)施(Shi)工(Gong)能(Neng)耗(Hao)。(?)
2、(?)在(Zai)不(Bu)改(Gai)道(Dao)变(Bian)各(Ge)种(Zhong)原(Yuan)材(Cai)料(Liao)配(Pei)比(Bi)((?)除(Chu)水(Shui))(?)及(Ji)混(Hun)凝(Ning)土(Tu)的(De)坍(Tan)落(Luo)度(Du)的(De)情(Qing)况(Kuang)下(Xia),(?)减(Jian)少(Shao)水(Shui)的(De)用(Yong)量(Liang),(?)可(Ke)以(Yi)大(Da)大(Da)提(Ti)高(Gao)混(Hun)凝(Ning)土(Tu)的(De)强(Qiang)度(Du),(?)早(Zao)期(Qi)强(Qiang)度(Du)和(He)后(Hou)期(Qi)强(Qiang)度(Du)要(Yao)比(Bi)不(Bu)加(Jia)减(Jian)水(Shui)剂(Ji)的(De)混(Hun)凝(Ning)土(Tu)提(Ti)高(Gao)20%以(Yi)上(Shang),(?)通(Tong)过(Guo)减(Jian)水(Shui),(?)可(Ke)以(Yi)实(Shi)现(Xian)浇(Jiao)筑(Zhu)C100标(Biao)号(Hao)的(De)高(Gao)强(Qiang)混(Hun)凝(Ning)土(Tu)。(?)
3、(?)在(Zai)不(Bu)改(Gai)变(Bian)各(Ge)种(Zhong)原(Yuan)材(Cai)料(Liao)配(Pei)比(Bi)((?)除(Chu)水(Shui)泥(Ni))(?)及(Ji)混(Hun)凝(Ning)土(Tu)强(Qiang)度(Du)的(De)情(Qing)况(Kuang)下(Xia),(?)可(Ke)以(Yi)减(Jian)少(Shao)水(Shui)泥(Ni)的(De)用(Yong)量(Liang)版(Ban),(?)掺(Chan)加(Jia)水(Shui)泥(Ni)质(Zhi)量(Liang)0.2%~0.5%的(De)混(Hun)凝(Ning)土(Tu)减(Jian)水(Shui)剂(Ji),(?)可(Ke)以(Yi)节(Jie)省(Sheng)水(Shui)泥(Ni)量(Liang)的(De)15~30%
4、(?)掺(Chan)加(Jia)混(Hun)凝(Ning)土(Tu)..减(Jian)水(Shui)剂(Ji),(?)可(Ke)以(Yi)提(Ti)高(Gao)混(Hun)凝(Ning)土(Tu)的(De)寿(Shou)命(Ming)一(Yi)倍(Bei)以(Yi)上(Shang),(?)即(Ji)使(Shi)建(Jian)筑(Zhu)物(Wu)的(De)正(Zheng)常(Chang)使(Shi)用(Yong)寿(Shou)命(Ming)延(Yan)长(Chang)一(Yi)倍(Bei)以(Yi)上(Shang)。(?)
目(Mu)前(Qian)在(Zai)建(Jian)筑(Zhu)施(Shi)工(Gong)中(Zhong)四(Si)川(Chuan)减(Jian)水(Shui)剂(Ji)的(De)使(Shi)用(Yong)还(Huan)是(Shi)比(Bi)较(Jiao)普(Pu)遍(Bian)的(De),(?)这(Zhe)是(Shi)由(You)于(Yu)其(Qi)产(Chan)品(Pin)性(Xing)能(Neng)可(Ke)以(Yi)提(Ti)升(Sheng)建(Jian)筑(Zhu)强(Qiang)度(Du),(?)提(Ti)高(Gao)工(Gong)程(Cheng)的(De)质(Zhi)量(Liang),(?)该(Gai)品(Pin)绿(Lu)色(Se)环(Huan)保(Bao),(?)不(Bu)易(Yi)燃(Ran),(?)不(Bu)易(Yi)爆(Bao),(?)可(Ke)以(Yi)..使(Shi)用(Yong)火(Huo)车(Che)和(He)汽(Qi)车(Che)运(Yun)输(Shu)。(?)所(Suo)以(Yi)在(Zai)建(Jian)筑(Zhu)施(Shi)工(Gong)中(Zhong)有(You)着(Zhuo)非(Fei)常(Chang)重(Zhong)要(Yao)的(De)作(Zuo)用(Yong)
下(Xia)面(Mian)就(Jiu)介(Jie)绍(Shao)一(Yi)下(Xia)它(Ta)的(De)优(You)势(Shi)。(?)
1、(?)碱(Jian)含(Han)量(Liang)和(He)氯(Lu)离(Li)子(Zi)含(Han)量(Liang)甚(Shen)微(Wei),(?)聚(Ju)羧(Suo)酸(Suan)母(Mu)液(Ye)掺(Chan)入(Ru)后(Hou)对(Dui)钢(Gang)筋(Jin)无(Wu)锈(Xiu)蚀(Shi)危(Wei)害(Hai),(?)对(Dui)混(Hun)凝(Ning)土(Tu)无(Wu)不(Bu)良(Liang)影(Ying)响(Xiang)。(?)同(Tong)时(Shi)产(Chan)品(Pin)在(Zai)低(Di)温(Wen)季(Ji)节(Jie)不(Bu)盐(Yan)析(Xi)、(?)不(Bu)结(Jie)晶(Jing)、(?)使(Shi)用(Yong)方(Fang)便(Bian)。(?)
2、(?)有(You)利(Li)于(Yu)改(Gai)善(Shan)混(Hun)凝(Ning)土(Tu)拌(Ban)合(He)物(Wu)的(De)和(He)易(Yi)性(Xing)、(?)减(Jian)少(Shao)泌(Mi)水(Shui),(?)提(Ti)高(Gao)硬(Ying)化(Hua)混(Hun)凝(Ning)土(Tu)的(De)外(Wai)观(Guan)质(Zhi)量(Liang)和(He)耐(Nai)久(Jiu)性(Xing)能(Neng),(?)尤(You)其(Qi)适(Shi)用(Yong)于(Yu)清(Qing)水(Shui)混(Hun)凝(Ning)土(Tu)工(Gong)程(Cheng)中(Zhong)使(Shi)用(Yong)。(?)
所(Suo)以(Yi)说(Shuo)四(Si)川(Chuan)减(Jian)水(Shui)剂(Ji)对(Dui)于(Yu)建(Jian)筑(Zhu)施(Shi)工(Gong)是(Shi)非(Fei)常(Chang)有(You)必(Bi)要(Yao)的(De),(?)在(Zai)使(Shi)用(Yong)的(De)时(Shi)候(Hou)一(Yi)般(Ban)都(Du)会(Hui)按(An)照(Zhao)比(Bi)例(Li)进(Jin)行(Xing)添(Tian)加(Jia),(?)这(Zhe)不(Bu)仅(Jin)可(Ke)以(Yi)使(Shi)工(Gong)程(Cheng)更(Geng)加(Jia)牢(Lao)固(Gu)还(Huan)可(Ke)以(Yi)减(Jian)少(Shao)各(Ge)种(Zhong)危(Wei)害(Hai),(?)大(Da)家(Jia)只(Zhi)有(You)完(Wan)全(Quan)了(Liao)解(Jie)它(Ta)才(Cai)能(Neng)更(Geng)好(Hao)使(Shi)用(Yong)它(Ta),(?)四(Si)川(Chuan)减(Jian)水(Shui)剂(Ji)是(Shi)一(Yi)种(Zhong)高(Gao)性(Xing)能(Neng)减(Jian)水(Shui)剂(Ji),(?)是(Shi)水(Shui)泥(Ni)混(Hun)凝(Ning)土(Tu)运(Yun)用(Yong)中(Zhong)的(De)一(Yi)种(Zhong)水(Shui)泥(Ni)分(Fen)散(San)剂(Ji)。(?)
以(Yi)上(Shang)就(Jiu)是(Shi)本(Ben)期(Qi)的(De)内(Nei)容(Rong)了(Liao),(?)想(Xiang)必(Bi)大(Da)家(Jia)对(Dui)四(Si)川(Chuan)减(Jian)水(Shui)剂(Ji)有(You)了(Liao)大(Da)概(Gai)的(De)了(Liao)解(Jie),(?)咱(Zan)们(Men)下(Xia)期(Qi)再(Zai)见(Jian)!(?)