長春(chun)檢查井(jing)(jing)的(de)主要類別有(you)哪(na)些?其一(yi)是水泥(ni)檢查井(jing)(jing)為馬蹄形收(shou)口(kou)圈,采用上(shang)下(xia)井(jing)(jing)室(shi)(shi)(shi)組(zu)合的(de)形式,其中下(xia)井(jing)(jing)室(shi)(shi)(shi)設有(you)獨(du)立(li)的(de)底板(ban),為了能夠(gou)與(yu)管(guan)道相連(lian),專門在(zai)(zai)下(xia)井(jing)(jing)室(shi)(shi)(shi)的(de)上(shang)方(fang)開(kai)設了圓孔(kong)。 b類水泥(ni)檢查井(jing)(jing)無(wu)收(shou)口(kou)圈,采用上(shang)下(xia)井(jing)(jing)室(shi)(shi)(shi)組(zu)合的(de)形式;井(jing)(jing)室(shi)(shi)(shi)上(shang)下(xia)均設有(you)獨(du)立(li)頂板(ban)和獨(du)立(li)地板(ban),并在(zai)(zai)下(xia)井(jing)(jing)室(shi)(shi)(shi)的(de)上(shang)方(fang)開(kai)設了圓孔(kong)與(yu)管(guan)道連(lian)接。
c類(lei)水(shui)泥檢(jian)查(cha)井(jing)(jing)收(shou)(shou)口(kou)圈為(wei)(wei)圓錐形(xing),井(jing)(jing)室(shi)為(wei)(wei)矩形(xing),同(tong)樣采用上下井(jing)(jing)室(shi)組(zu)合的形(xing)式,且(qie)上下井(jing)(jing)室(shi)均(jun)(jun)開半(ban)孔,均(jun)(jun)設有頂(ding)板(ban)和底(di)板(ban)。 d類(lei)水(shui)泥檢(jian)查(cha)井(jing)(jing)為(wei)(wei)矩形(xing)井(jing)(jing)室(shi),無(wu)收(shou)(shou)口(kou)圈,井(jing)(jing)室(shi)上下均(jun)(jun)設有獨立(li)頂(ding)板(ban)和獨立(li)地板(ban),為(wei)(wei)與管道(dao)相連,在下井(jing)(jing)室(shi)開設了U形(xing)孔。e類(lei)水(shui)泥檢(jian)查(cha)井(jing)(jing)也為(wei)(wei)上下井(jing)(jing)室(shi)組(zu)合形(xing)式,井(jing)(jing)室(shi)上下均(jun)(jun)開設圓孔與管道(dao)連接,并各(ge)自(zi)設有獨立(li)頂(ding)板(ban)與底(di)板(ban)。
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