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路橋工程質(zhì)量通病預(yù)防措施大全-在線瀏覽

2025-07-16 15:31本頁(yè)面
  

【正文】 ......................... 5 1路基邊坡出現(xiàn)坍塌或被雨水沖刷。預(yù)防措施: ......... 6 1路塹開(kāi)挖采用掏底開(kāi)挖方式,接近坡面,出現(xiàn)邊坡參差不齊、破碎不穩(wěn)。預(yù)防措施: ................................................... 7 1洞口出現(xiàn)地層滑坡、崩塌、偏壓。預(yù)防措施: ........................................................................ 7 1噴錨支護(hù)質(zhì)量控制不好。預(yù)防措施: ............................................................................ 8 1未按設(shè)計(jì)要求進(jìn)行鋪設(shè)鋼筋網(wǎng)等臨時(shí)支護(hù)。預(yù)防措施: .......................................................................10 2復(fù)合式補(bǔ)砌施工中,未正確掌握二次補(bǔ)砌施作時(shí)間及施工方法。預(yù)防措施; ....................................................................12 2襯砌中防水層在鋪設(shè)中有破損、折曲現(xiàn)象。預(yù)防措施: ......................................................15 3跑模、漏漿、表面不平整、蜂窩麻面。預(yù)防措施: .........................................................16 3拆模時(shí)使砼結(jié)構(gòu)物損壞、變形。預(yù)防措施: ...............................................16 3明挖基坑有積水,未除去松土和松碎石就進(jìn)行基礎(chǔ)作業(yè)。預(yù)防措施; ..............................................................................18 3坍孔。預(yù)防和處理措施: ..................................................................................18 2 孔徑不足。預(yù)防措施: ............................................................................................19 4孔底沉渣過(guò)厚。預(yù)防措施: ................................................................19 4導(dǎo)管進(jìn)水。預(yù)防措施: ...................................................................................................20 4埋管。預(yù)防措施: .........................................................................................20 4挖孔質(zhì)量控制不好。預(yù)防措施: .............................................................21 50、混凝土墩臺(tái)質(zhì)量控制措施: .....................................................................................21 5錐坡施工預(yù)防措施; ................................................................................................22 5橋面放水預(yù)防措施: ................................................................................................22 5泄水管的安裝不到位。預(yù)防措施: .................................23 5鋼筋骨架外形尺寸不準(zhǔn)。預(yù)防措施; ....................................................................24 5鋼筋少放或漏放。預(yù)防措施: ...............24 60、焊縫尺寸不足。預(yù)防措施: .............................................................25 6電弧燒傷鋼筋表面,造成鋼筋斷面局部削弱。預(yù)防措施: ...............................................25 6鋼模不具有足夠的剛度及穩(wěn)定性。預(yù)防措施: .........................................................25 6模板位置不準(zhǔn),線條不流暢。預(yù)防措施: ................................................................................26 6混凝土和易性不良。預(yù)防措施: .............................27 70、混凝土表面蜂窩麻面。預(yù)防措施; .............................................................27 7混凝土表面有裂縫。預(yù)防措施; .............................................................28 7干砌體一坍塌。預(yù)防措施: ....................................................................29 7砌體肚鼓。預(yù)防措施: ................................................................29 7砌體裂縫。預(yù)防措施 ..................................................................................29 3 質(zhì)量通病及控制措施 一、路基工程 填方路堤原地面未進(jìn)行處理就上土施工預(yù)防措施: ?.做好原地面臨時(shí)排水設(shè)施,并與永久排水設(shè)施相結(jié)合。
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