長春(chun)檢查(cha)(cha)井(jing)(jing)(jing)的(de)主要類別有(you)哪(na)些?其一(yi)是水泥(ni)檢查(cha)(cha)井(jing)(jing)(jing)為馬蹄形(xing)收口圈(quan),采用上(shang)下(xia)井(jing)(jing)(jing)室(shi)(shi)(shi)組合的(de)形(xing)式,其中下(xia)井(jing)(jing)(jing)室(shi)(shi)(shi)設有(you)獨(du)立(li)的(de)底板(ban),為了能夠與(yu)管道相連,專門(men)在下(xia)井(jing)(jing)(jing)室(shi)(shi)(shi)的(de)上(shang)方開(kai)設了圓(yuan)孔。 b類水泥(ni)檢查(cha)(cha)井(jing)(jing)(jing)無收口圈(quan),采用上(shang)下(xia)井(jing)(jing)(jing)室(shi)(shi)(shi)組合的(de)形(xing)式;井(jing)(jing)(jing)室(shi)(shi)(shi)上(shang)下(xia)均設有(you)獨(du)立(li)頂(ding)板(ban)和獨(du)立(li)地板(ban),并在下(xia)井(jing)(jing)(jing)室(shi)(shi)(shi)的(de)上(shang)方開(kai)設了圓(yuan)孔與(yu)管道連接。
c類水泥檢查(cha)井(jing)收(shou)口圈(quan)為(wei)圓錐形(xing)(xing),井(jing)室(shi)(shi)(shi)為(wei)矩形(xing)(xing),同樣采(cai)用上(shang)(shang)下(xia)井(jing)室(shi)(shi)(shi)組合(he)的(de)形(xing)(xing)式,且(qie)上(shang)(shang)下(xia)井(jing)室(shi)(shi)(shi)均(jun)開(kai)半(ban)孔(kong),均(jun)設(she)(she)有頂板和底板。 d類水泥檢查(cha)井(jing)為(wei)矩形(xing)(xing)井(jing)室(shi)(shi)(shi),無收(shou)口圈(quan),井(jing)室(shi)(shi)(shi)上(shang)(shang)下(xia)均(jun)設(she)(she)有獨(du)立頂板和獨(du)立地板,為(wei)與(yu)(yu)(yu)管(guan)道相連(lian),在下(xia)井(jing)室(shi)(shi)(shi)開(kai)設(she)(she)了U形(xing)(xing)孔(kong)。e類水泥檢查(cha)井(jing)也為(wei)上(shang)(shang)下(xia)井(jing)室(shi)(shi)(shi)組合(he)形(xing)(xing)式,井(jing)室(shi)(shi)(shi)上(shang)(shang)下(xia)均(jun)開(kai)設(she)(she)圓孔(kong)與(yu)(yu)(yu)管(guan)道連(lian)接,并各自設(she)(she)有獨(du)立頂板與(yu)(yu)(yu)底板。
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