Kev nrawm dej-Txo Cov Khoom Siv Hluav Taws Xob
Apr 23, 2020
Ua kom ceev cov admixtures tau siv feem ntau thaum huab cua txias thaum lub qeeb ntawm cov tshuaj lom neeg ntawm cov cement thiab dej vim qhov kub tsawg yuav tau pab cuam los ntawm qhov nce ceev ntawm cov tshuaj tiv thaiv los ntawm kev siv cov tsuj roj.
Cov khoom siv hluav taws xob feem ntau siv rau qee lub sijhawm yog calcium chloride tab sis, vim tias muaj cov tshuaj chlorides, txawm tias nyob rau hauv cov nyiaj me me, muaj kev pheej hmoo ntawm kev xeb, kev siv admixtures muaj chlorides yog tam sim no txwv nyob rau hauv txhua cov pob zeb ua muaj cov hlau ntsaws.
Nws yuav tsum raug sau tseg tias cov ntsuas nrawm nrawm hauv qhov tshuaj khib vim qhov tuab ntawm cov tshuaj khib, txawm tias hauv kev sib koom tes lossis ntawm qhov ua haujlwm yog xws li tias txhua lub tshav kub ua los ntawm cov tshuaj tiv thaiv sai dua sai sai.
