長春水泥管的安裝(zhuang)施工(gong)建議:1、定(ding)(ding)管(guan)(guan)道(dao)中(zhong)(zhong)線： 施工(gong)前可(ke)按設(she)(she)計給定(ding)(ding)的中(zhong)(zhong)線控制(zhi)(zhi)點(dian)(dian)(dian)(dian)(dian)(dian)，在(zai)(zai)現場(chang)測設(she)(she)出中(zhong)(zhong)線的起點(dian)(dian)(dian)(dian)(dian)(dian)、終點(dian)(dian)(dian)(dian)(dian)(dian)、平(ping)面(mian) 點(dian)(dian)(dian)(dian)(dian)(dian)、縱向點(dian)(dian)(dian)(dian)(dian)(dian)及直線控制(zhi)(zhi)中(zhong)(zhong)心樁(zhuang)，并在(zai)(zai)起點(dian)(dian)(dian)(dian)(dian)(dian)、終點(dian)(dian)(dian)(dian)(dian)(dian)平(ping)面(mian)點(dian)(dian)(dian)(dian)(dian)(dian)的溝(gou)槽外適當位置(zhi)，設(she)(she)置(zhi)方(fang)向控制(zhi)(zhi)樁(zhuang)，并且通(tong)過丈量(liang)確(que)定(ding)(ding)樁(zhuang)號。 2、建立(li)臨時水準點(dian)(dian)(dian)(dian)(dian)(dian)： 管(guan)(guan)道(dao)工(gong)程往往需增設(she)(she)臨時水準點(dian)(dian)(dian)(dian)(dian)(dian)，應在(zai)(zai)穩固且不(bu)易(yi)被碰撞(zhuang)處設(she)(she)置(zhi)，其(qi)間距(ju)為不(bu)大(da)于30米為宜(yi)。臨時水準點(dian)(dian)(dian)(dian)(dian)(dian)閉(bi)合(he)差應符合(he)規定(ding)(ding)標準。
3、溝槽(cao)(cao)(cao)(cao)開挖(wa)采(cai)用挖(wa)掘機(ji)開挖(wa)為主，人工清底(di)(di)為輔，雨水斗連接管及支管采(cai)用人工開挖(wa)。開挖(wa)過(guo)程(cheng)中，注意觀察土質變化，對有(you)塌方跡象的(de)(de)路段采(cai)用支撐圍(wei)護。 4、挖(wa)掘機(ji)開挖(wa)挖(wa)至槽(cao)(cao)(cao)(cao)底(di)(di)標高(gao) 10cm左右(you)，預留槽(cao)(cao)(cao)(cao)底(di)(di)土不(bu)挖(wa)，修整槽(cao)(cao)(cao)(cao)底(di)(di)。人工清槽(cao)(cao)(cao)(cao)，認真檢查槽(cao)(cao)(cao)(cao)底(di)(di)土壤有(you)無(wu)擾動(dong)情況(kuang)，如有(you)擾動(dong)應(ying)做特殊(shu)處理。 5、在溝槽(cao)(cao)(cao)(cao)兩(liang)側，槽(cao)(cao)(cao)(cao)底(di)(di)以上1米(mi)處，對稱(cheng)設(she)置高(gao)程(cheng)樁，在其上釘等高(gao)的(de)(de)高(gao)程(cheng)釘。在挖(wa)槽(cao)(cao)(cao)(cao)見底(di)(di)前及澆筑平整前，均(jun)應(ying)復(fu)測管渠中心線及高(gao)程(cheng)樁的(de)(de)高(gao)程(cheng)。
6、槽邊(bian)單面堆(dui)土高度不(bu)(bu)大于(yu)(yu)2米(mi)(mi)，距(ju)溝槽邊(bian)緣距(ju)離不(bu)(bu)小于(yu)(yu)1米(mi)(mi)。溝槽施(shi)(shi)(shi)工地下管(guan)線(xian)的(de)保護(hu)先(xian)(xian)向有(you)關部門要求(qiu)管(guan)線(xian)交(jiao)底，以明確地下設施(shi)(shi)(shi)的(de)基本位(wei)置，必要時先(xian)(xian)開挖(wa)樣(yang)洞，以探明準確位(wei)置，利(li)于(yu)(yu)施(shi)(shi)(shi)工，并(bing)保證(zheng)各種預埋管(guan)線(xian)的(de)安全，施(shi)(shi)(shi)工過程中，對暴(bao)露的(de)管(guan)線(xian)采(cai)用(yong)支撐保護(hu)措施(shi)(shi)(shi)。
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