聚合物水泥修補砂漿
2020-08-14
混(hun)(hun)凝(ning)(ning)土(tu)的表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)缺陷包括(kuo)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)點蝕表(biao)(biao)(biao)(biao)面(mian)(mian)(mian),剝落,砂(sha)磨,位錯,變(bian)色等。表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)點蝕表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)的原(yuan)因如(ru)上(shang)所述(shu),這里不(bu)再贅述(shu)。 1.原(yuan)因分析 (1)剝離(li)的原(yuan)因是,對于垂直構件,其一是水灰比太大,混(hun)(hun)凝(ning)(ning)土(tu)太稀,滲水嚴重,另(ling)一個是混(hun)(hun)凝(ning)(ning)土(tu)過度振動,導致在(zai)大量(liang)的漂(piao)浮漿液(ye)中。在(zai)下層(ceng)混(hun)(hun)凝(ning)(ning)土(tu)振動并(bing)成(cheng)型(xing)后(hou),繼續(xu)澆筑上(shang)層(ceng)。此時,如(ru)果混(hun)(hun)凝(ning)(ning)土(tu)材料...