吉林檢查井廠家分享混凝土檢查井(jing)的(de)井(jing)外回填(tian)要(yao)(yao)求(qiu),施(shi)工排水:閉(bi)水試驗前,必須對檢查井(jing)和管道的(de)外觀質(zhi)量進行檢查和驗收。只有全(quan)部合格,才能進行堵水試驗。嚴(yan)格控制井(jing)墻的(de)砌筑(zhu)質(zhi)量。井(jing)壁須豎(shu)直,不得(de)有通縫(feng);灰漿要(yao)(yao)飽滿,砌縫(feng)要(yao)(yao)平整;抹(mo)面要(yao)(yao)壓光,不得(de)有空鼓、裂縫(feng)等現(xian)象(xiang)。
檢查井(jing)周(zhou)邊(bian)路基回填(tian)(tian)(tian)和壓實(shi):對于(yu)(yu)檢查井(jing)周(zhou)邊(bian),選(xuan)擇合適的(de)回填(tian)(tian)(tian)材(cai)料和壓實(shi)方法是關鍵。當(dang)每層路基填(tian)(tian)(tian)筑壓實(shi)后(hou)(hou),由檢查井(jing)周(zhou)邊(bian)向外反(fan)挖50cm ,然(ran)后(hou)(hou)采用粗砂、或直徑(jing)不大(da)于(yu)(yu)3厘米的(de)碎石回填(tian)(tian)(tian)并(bing)立式沖擊夯壓實(shi),壓實(shi)度不小(xiao)于(yu)(yu)95%。 井(jing)座與匯(hui)(hui)入管(guan)(guan)(guan)、排水管(guan)(guan)(guan)銜(xian)接(jie)需求(qiu)變(bian)徑(jing),選(xuan)用異(yi)徑(jing)接(jie)頭(tou)時(shi)(shi),當(dang)匯(hui)(hui)入管(guan)(guan)(guan)管(guan)(guan)(guan)徑(jing)小(xiao)于(yu)(yu)井(jing)座接(jie)口(kou)管(guan)(guan)(guan)徑(jing)時(shi)(shi),應管(guan)(guan)(guan)頂平(ping)接(jie);井(jing)座出管(guan)(guan)(guan)接(jie)口(kou)大(da)于(yu)(yu)下流管(guan)(guan)(guan)道時(shi)(shi),管(guan)(guan)(guan)道銜(xian)接(jie)應管(guan)(guan)(guan)內(nei)底平(ping)接(jie)。
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