北区道路工程质量通病防治方案.docx
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北区道路工程质量通病防治方案
目 录
1、编制目的 .................................................................................... 5
2、编制依据 .................................................................................... 5
3、工程概况 .................................................................................... 6
4、组织管理措施 ............................................................................ 6
1、成立质量通病专项防治领导小组 .............................................. 6
2、质量通病专项防治领导小组职责 .............................................. 6
5、质量通病专项质量方案及施工措施 ........................................ 6
1、排水工程质量通病防治措施 ..................................................... 6
1.1管道位置偏移或积水 ................................................................. 6
1.2管道渗漏水,闭水试验不合格 .................................................. 7
1.3检查井变形、下沉,构配件质量差 .......................................... 7
1.4回填土沉陷 ................................................................................. 8
2、道路工程质量通病防治措施 ..................................................... 8
2.1路基施工质量通病 ..................................................................... 8
2.2路基过湿或有“弹簧”现象,不加处理或处理不到位 ......... 8
2.3 水泥稳定级配碎石强度偏差 ..................................................... 9
2.4水泥稳定级配碎石表面松散起皮 ............................................. 9
2.5水泥稳定级配碎石混合料碾压不密实 ..................................... 10
2.6干(温)缩裂缝 .............................................................................. 10
2.7水泥稳定级配碎石级配偏差 ..................................................... 11
2.8混合料含水量不稳定 ................................................................. 12
2.9混合料离析 ................................................................................. 12
2.10混合料摊铺时骨料分配不均匀 ................................................ 13
2.11混合料碾压时呈现弹软现象或基层表面灰浆过厚 ................ 13
2.12基层平整度差 ........................................................................... 13
2.13混合料没能形成板体或板体强度不足 .................................... 14
2.14 沥青混凝土横向裂缝 ................................................................ 14
2.15沥青混凝土纵向裂缝 ................................................................ 14
2.16沥青混凝土网状裂缝 ................................................................ 15
2.17反射裂缝 .................................................................................... 15
2.18沥青混凝土翻浆 ........................................................................ 16
2.19沥青混凝土车辙 ........................................................................ 16
2.20 沥青混凝土壅包 ........................................................................ 17
2.21路面沥青砼松散掉渣 ................................................................ 17
2.22沥青混凝土路面接茬不平、松散、有轮迹 ........................... 18
2.23沥青混凝土搓板 ....................................................................... 18
2.24沥青混凝土凹槽 ........................................................................18
2.25沥青混凝土脱皮 ........................................................................19
2.26沥青混凝土啃边 ........................................................................19
2.27沥青混凝土光面 ........................................................................19
2.28施工接缝明显 ........................................................................... 20
2.29压实度不足 ................................................................................21
2.30沥青混凝土抗滑表层构造深度不足 .........................................21
2.31沥青混凝土抗滑表层摩擦系数不足 .................................... 21
2.32检查井与路面衔接不平顺 .................................................... 22
2.33边石线形不顺、破损 ............................................................ 22
2.34人行道土基不夯实,水泥砼基层不密实,人行道渗水性不良 ....................................................................................................22
2.35路面砖 ....................................................................................23
2.36路面砖与边石衔接不平顺,缝隙过宽 .................................
2.37路面砖与检查井、路灯底座或其它突出物周边不圆顺、不平顺 .....................................................................................................23
2.38无障碍通道 .............................................................................23
2.39人行道纵横缝不顺直,砖缝过大 .........................................23
2.40砌体砂浆不饱满 .....................................................................24
2.41砌体平整度差,有通缝 .........................................................24
3、桥涵及挡护工程施工质量通病防治措施 ..............................24
3.1钢筋保护层厚度合格率低 .......................................................24
3.2砼结构构件裂缝、裂纹 ...........................................................25
3.3结构物表面施工缝明显 ...........................................................25
3.4混凝土表面蜂窝、麻面 ...........................................................25
3.5混凝土表面不平整 ...................................................................25
3.6混凝土表面模板缝明显 ...........................................................26
3.7混凝土表面拉杆螺丝处出现焦糊或锈蚀 ....................