長春檢查(cha)井的(de)主要(yao)類別有哪些?其一是水泥(ni)檢查(cha)井為(wei)馬蹄(ti)形(xing)收口圈,采用(yong)上(shang)(shang)下(xia)井室組(zu)合的(de)形(xing)式(shi),其中(zhong)下(xia)井室設(she)有獨立的(de)底板(ban),為(wei)了能(neng)夠與(yu)管道(dao)相連,專(zhuan)門在下(xia)井室的(de)上(shang)(shang)方(fang)開設(she)了圓孔。 b類水泥(ni)檢查(cha)井無(wu)收口圈,采用(yong)上(shang)(shang)下(xia)井室組(zu)合的(de)形(xing)式(shi);井室上(shang)(shang)下(xia)均設(she)有獨立頂板(ban)和獨立地板(ban),并在下(xia)井室的(de)上(shang)(shang)方(fang)開設(she)了圓孔與(yu)管道(dao)連接(jie)。
c類水泥檢(jian)查(cha)井(jing)(jing)收口(kou)圈為圓錐形(xing),井(jing)(jing)室(shi)(shi)(shi)(shi)為矩(ju)形(xing),同樣(yang)采(cai)用上(shang)下(xia)(xia)井(jing)(jing)室(shi)(shi)(shi)(shi)組合的形(xing)式,且上(shang)下(xia)(xia)井(jing)(jing)室(shi)(shi)(shi)(shi)均(jun)(jun)開(kai)半孔(kong),均(jun)(jun)設(she)(she)有頂板(ban)(ban)(ban)和底(di)板(ban)(ban)(ban)。 d類水泥檢(jian)查(cha)井(jing)(jing)為矩(ju)形(xing)井(jing)(jing)室(shi)(shi)(shi)(shi),無收口(kou)圈,井(jing)(jing)室(shi)(shi)(shi)(shi)上(shang)下(xia)(xia)均(jun)(jun)設(she)(she)有獨(du)立(li)頂板(ban)(ban)(ban)和獨(du)立(li)地板(ban)(ban)(ban),為與管道相連,在(zai)下(xia)(xia)井(jing)(jing)室(shi)(shi)(shi)(shi)開(kai)設(she)(she)了U形(xing)孔(kong)。e類水泥檢(jian)查(cha)井(jing)(jing)也(ye)為上(shang)下(xia)(xia)井(jing)(jing)室(shi)(shi)(shi)(shi)組合形(xing)式,井(jing)(jing)室(shi)(shi)(shi)(shi)上(shang)下(xia)(xia)均(jun)(jun)開(kai)設(she)(she)圓孔(kong)與管道連接,并(bing)各自設(she)(she)有獨(du)立(li)頂板(ban)(ban)(ban)與底(di)板(ban)(ban)(ban)。
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