吉林檢查井廠家分享混凝土檢查(cha)(cha)井的井外(wai)回填要(yao)求，施工排水：閉水試驗前，必須(xu)對(dui)檢查(cha)(cha)井和管道(dao)的外(wai)觀質量(liang)進行(xing)檢查(cha)(cha)和驗收。只有(you)全部合格(ge)，才(cai)能(neng)進行(xing)堵水試驗。嚴(yan)格(ge)控(kong)制井墻(qiang)的砌筑質量(liang)。井壁須(xu)豎直，不得有(you)通(tong)縫(feng)(feng)(feng)；灰漿要(yao)飽(bao)滿(man)，砌縫(feng)(feng)(feng)要(yao)平(ping)整；抹面要(yao)壓光，不得有(you)空(kong)鼓(gu)、裂縫(feng)(feng)(feng)等現(xian)象(xiang)。
檢(jian)查(cha)(cha)(cha)井(jing)周邊(bian)(bian)路(lu)基(ji)(ji)回(hui)填(tian)(tian)和壓(ya)實(shi)：對于(yu)檢(jian)查(cha)(cha)(cha)井(jing)周邊(bian)(bian)，選(xuan)擇合適(shi)的(de)回(hui)填(tian)(tian)材料和壓(ya)實(shi)方(fang)法是關鍵。當每層(ceng)路(lu)基(ji)(ji)填(tian)(tian)筑壓(ya)實(shi)后，由檢(jian)查(cha)(cha)(cha)井(jing)周邊(bian)(bian)向(xiang)外反挖50cm ，然后采用(yong)粗砂、或直徑不(bu)大于(yu)3厘米的(de)碎石回(hui)填(tian)(tian)并(bing)立式沖擊(ji)夯壓(ya)實(shi)，壓(ya)實(shi)度不(bu)小(xiao)于(yu)95%。 井(jing)座(zuo)(zuo)與匯入管(guan)(guan)(guan)(guan)(guan)(guan)、排水管(guan)(guan)(guan)(guan)(guan)(guan)銜接(jie)(jie)(jie)需求變(bian)徑，選(xuan)用(yong)異徑接(jie)(jie)(jie)頭時(shi)，當匯入管(guan)(guan)(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)(guan)(guan)徑小(xiao)于(yu)井(jing)座(zuo)(zuo)接(jie)(jie)(jie)口(kou)管(guan)(guan)(guan)(guan)(guan)(guan)徑時(shi)，應管(guan)(guan)(guan)(guan)(guan)(guan)頂平接(jie)(jie)(jie)；井(jing)座(zuo)(zuo)出管(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)口(kou)大于(yu)下(xia)流管(guan)(guan)(guan)(guan)(guan)(guan)道時(shi)，管(guan)(guan)(guan)(guan)(guan)(guan)道銜接(jie)(jie)(jie)應管(guan)(guan)(guan)(guan)(guan)(guan)內(nei)底平接(jie)(jie)(jie)。
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