長春檢(jian)查井(jing)的主(zhu)要(yao)類(lei)別有哪些?其一是水泥(ni)檢(jian)查井(jing)為馬(ma)蹄(ti)形收口圈,采用(yong)上(shang)下井(jing)室(shi)組合(he)的形式(shi),其中下井(jing)室(shi)設(she)有獨(du)立的底板,為了(le)能(neng)夠(gou)與管(guan)道(dao)相連(lian),專門在下井(jing)室(shi)的上(shang)方(fang)開設(she)了(le)圓孔。 b類(lei)水泥(ni)檢(jian)查井(jing)無收口圈,采用(yong)上(shang)下井(jing)室(shi)組合(he)的形式(shi);井(jing)室(shi)上(shang)下均設(she)有獨(du)立頂板和獨(du)立地板,并(bing)在下井(jing)室(shi)的上(shang)方(fang)開設(she)了(le)圓孔與管(guan)道(dao)連(lian)接。
c類(lei)水泥檢查井(jing)(jing)收口圈(quan)為(wei)圓(yuan)錐形(xing)(xing),井(jing)(jing)室(shi)(shi)為(wei)矩(ju)形(xing)(xing),同樣(yang)采用上下(xia)(xia)井(jing)(jing)室(shi)(shi)組合(he)的形(xing)(xing)式,且上下(xia)(xia)井(jing)(jing)室(shi)(shi)均(jun)開(kai)半孔,均(jun)設(she)有頂(ding)板(ban)(ban)和底板(ban)(ban)。 d類(lei)水泥檢查井(jing)(jing)為(wei)矩(ju)形(xing)(xing)井(jing)(jing)室(shi)(shi),無收口圈(quan),井(jing)(jing)室(shi)(shi)上下(xia)(xia)均(jun)設(she)有獨(du)立頂(ding)板(ban)(ban)和獨(du)立地板(ban)(ban),為(wei)與(yu)管(guan)道相(xiang)連(lian),在下(xia)(xia)井(jing)(jing)室(shi)(shi)開(kai)設(she)了U形(xing)(xing)孔。e類(lei)水泥檢查井(jing)(jing)也為(wei)上下(xia)(xia)井(jing)(jing)室(shi)(shi)組合(he)形(xing)(xing)式,井(jing)(jing)室(shi)(shi)上下(xia)(xia)均(jun)開(kai)設(she)圓(yuan)孔與(yu)管(guan)道連(lian)接,并各自設(she)有獨(du)立頂(ding)板(ban)(ban)與(yu)底板(ban)(ban)。
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