分(fen)類(lei):行業新聞發布時間:2015/06/22
在經歷了今年6月份上、中旬多輪降雨影響之后,端午節期間的降雨仍然在對湖南長沙、婁底、懷化、湘潭、益陽等市州施加影響。同樣在混凝土施工方面下雨天氣一方面容易造成道路泥濘,另一方面因山體開挖過程中又容易造成山石松動,造成塌方及泥石流等現象,給工程施工安全帶來極大隱患。部分施工場地位于開挖山體上,容易造成積水,導致局部浸泡,三民重科在此提醒砼工程必須(xu)采(cai)取以下(xia)適當的(de)措施(shi),以確保工程(cheng)施(shi)工正(zheng)常運行。
1、在(zai)(zai)不影(ying)響工(gong)(gong)期的(de)(de)前提下,盡(jin)(jin)量把砼(tong)(tong)工(gong)(gong)程(cheng)(cheng)安排在(zai)(zai)晴(qing)天(tian)(tian)(tian)進(jin)行(xing)施(shi)(shi)工(gong)(gong); 2、砼(tong)(tong)工(gong)(gong)程(cheng)(cheng)在(zai)(zai)雨(yu)(yu)天(tian)(tian)(tian)施(shi)(shi)工(gong)(gong)時,運(yun)輸途中需(xu)(xu)加(jia)以遮蓋,防(fang)止(zhi)雨(yu)(yu)水(shui)(shui)進(jin)入(ru),并(bing)隨時檢查模(mo)板支撐(cheng)的(de)(de)強度及(ji)其(qi)穩定性; 3、模(mo)板隔(ge)離(li)層在(zai)(zai)涂刷前要(yao)及(ji)時掌握天(tian)(tian)(tian)氣預(yu)報(bao),以防(fang)隔(ge)離(li)層被雨(yu)(yu)水(shui)(shui)沖走; 4、遇(yu)(yu)到大雨(yu)(yu)停止(zhi)澆(jiao)(jiao)筑(zhu)砼(tong)(tong),已澆(jiao)(jiao)部位(wei)加(jia)以覆蓋; 5、雨(yu)(yu)期施(shi)(shi)工(gong)(gong)時,加(jia)強對(dui)砼(tong)(tong)粗骨細料(liao)含(han)水(shui)(shui)量的(de)(de)測定,及(ji)時調整用水(shui)(shui)量; 6、大面積砼(tong)(tong)澆(jiao)(jiao)筑(zhu)前,了解2-3天(tian)(tian)(tian)的(de)(de)天(tian)(tian)(tian)氣預(yu)報(bao),盡(jin)(jin)量避開(kai)大雨(yu)(yu)。砼(tong)(tong)澆(jiao)(jiao)筑(zhu)現場要(yao)預(yu)備防(fang)雨(yu)(yu)材料(liao),以便澆(jiao)(jiao)筑(zhu)時突然遇(yu)(yu)雨(yu)(yu)進(jin)行(xing)覆蓋; 7、模(mo)板支撐(cheng)下回填要(yao)夯實(shi),并(bing)加(jia)好(hao)墊板,雨(yu)(yu)后及(ji)時檢查有無(wu)下沉; 8、下雨(yu)(yu)時不得進(jin)行(xing)鋼(gang)筋焊接、對(dui)接等工(gong)(gong)作(zuo),急需(xu)(xu)時做(zuo)好(hao)防(fang)雨(yu)(yu)工(gong)(gong)作(zuo)或(huo)將(jiang)施(shi)(shi)工(gong)(gong)場所(suo)移(yi)至室內進(jin)行(xing);剛焊好(hao)的(de)(de)鋼(gang)筋接頭部位(wei)應(ying)防(fang)雨(yu)(yu)水(shui)(shui)澆(jiao)(jiao)淋,以免接頭驟(zou)冷發生脆裂影(ying)響建(jian)筑(zhu)物質量; 9、砼(tong)(tong)基(ji)礎(chu)澆(jiao)(jiao)筑(zhu)完(wan)畢,要(yao)立即排出未回填的(de)(de)基(ji)坑中的(de)(de)水(shui)(shui),以免地基(ji)浸泡(pao)失穩;對(dui)已經(jing)拆模(mo)的(de)(de)基(ji)坑要(yao)及(ji)時回填并(bing)夯實(shi)。對(dui)新澆(jiao)(jiao)筑(zhu)的(de)(de)基(ji)礎(chu)須架(jia)設(she)防(fang)雨(yu)(yu)棚(peng)。