吉林檢查井廠家分享混(hun)凝土檢(jian)查(cha)井(jing)的井(jing)外(wai)回填要(yao)(yao)求，施(shi)工(gong)排水(shui)：閉水(shui)試驗前，必須對檢(jian)查(cha)井(jing)和管道的外(wai)觀質(zhi)量(liang)進(jin)行檢(jian)查(cha)和驗收。只(zhi)有全部合格(ge)，才能進(jin)行堵水(shui)試驗。嚴格(ge)控制井(jing)墻的砌筑(zhu)質(zhi)量(liang)。井(jing)壁須豎直，不(bu)得(de)有通縫(feng)；灰漿要(yao)(yao)飽滿(man)，砌縫(feng)要(yao)(yao)平整；抹(mo)面(mian)要(yao)(yao)壓光(guang)，不(bu)得(de)有空鼓、裂縫(feng)等現(xian)象。
檢(jian)(jian)查(cha)井(jing)(jing)(jing)周邊路基(ji)回填和(he)壓(ya)(ya)實(shi)(shi)：對于檢(jian)(jian)查(cha)井(jing)(jing)(jing)周邊，選擇(ze)合適的回填材料和(he)壓(ya)(ya)實(shi)(shi)方法是關鍵。當每層(ceng)路基(ji)填筑壓(ya)(ya)實(shi)(shi)后，由檢(jian)(jian)查(cha)井(jing)(jing)(jing)周邊向外反挖50cm ，然(ran)后采(cai)用粗砂、或直徑(jing)不(bu)大于3厘(li)米的碎石回填并立(li)式沖(chong)擊夯壓(ya)(ya)實(shi)(shi)，壓(ya)(ya)實(shi)(shi)度不(bu)小(xiao)于95%。 井(jing)(jing)(jing)座與匯(hui)入管(guan)(guan)(guan)(guan)、排水管(guan)(guan)(guan)(guan)銜接(jie)(jie)(jie)需求變徑(jing)，選用異徑(jing)接(jie)(jie)(jie)頭時(shi)(shi)，當匯(hui)入管(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)徑(jing)小(xiao)于井(jing)(jing)(jing)座接(jie)(jie)(jie)口(kou)(kou)管(guan)(guan)(guan)(guan)徑(jing)時(shi)(shi)，應管(guan)(guan)(guan)(guan)頂平接(jie)(jie)(jie)；井(jing)(jing)(jing)座出(chu)管(guan)(guan)(guan)(guan)接(jie)(jie)(jie)口(kou)(kou)大于下流管(guan)(guan)(guan)(guan)道(dao)(dao)時(shi)(shi)，管(guan)(guan)(guan)(guan)道(dao)(dao)銜接(jie)(jie)(jie)應管(guan)(guan)(guan)(guan)內底平接(jie)(jie)(jie)。
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