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[国家标准] GB 50268-2008 给水排水管道工程施工及验收规范.pdf

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发表于 2012-12-1 21:07:25 | 显示全部楼层 |阅读模式
目 次
1 总 则..................................................... 1
2 术 语..................................................... 2
3 基 本 规 定............................................ 4
3.1 施工基本规定.................................................................................................................................4
3.2 质量验收基本规定..........................................................................................................................5
4 土石方与地基处理........................................... 8
4.1 一般规定......................................................................................................................................8
4.2 施工降排水.....................................................................................................................................9
4.3 沟槽开挖与支护..............................................................................................................................9
4.4 地基处理....................................................................................................................................12
4.5 沟槽回填....................................................................................................................................12
4.6 质量验收标准...............................................................................................................................15
5 开槽施工管道主体结构...................................... 18
5.1 一般规定....................................................................................................................................18
5.2 管道基础....................................................................................................................................20
5.3 钢管安装....................................................................................................................................21
5.4 钢管内外防腐...............................................................................................................................24
5.5 球墨铸铁管安装............................................................................................................................29
5.6 钢筋混凝土管及预(自)应力混凝土管安装............................................................................29
5.6.10 预(自)应力混凝土管不得截断使用。..............................................................................30
5.7 预应力钢筒混凝土管安装............................................................................................................31
5.8 玻璃钢管安装...............................................................................................................................32
5.9 硬聚氯乙烯、聚乙烯管及其复合管安装....................................................................................33
5.10 质量验收标准..............................................................................................................................34
6 不开槽施工管道主体结构.................................... 42
6.1 一般规定.......................................................................................................................................42
7 沉管和桥管施工主体结构.................................... 78
7.1 一般规定.......................................................................................................................................78
7.2 沉 管...........................................................................................................................................79
7.3 桥 管...........................................................................................................................................84
7.4 质量验收标准...............................................................................................................................86
8.1 一般规定..........................................................................................................................................92
8.2 井 室...........................................................................................................................................92
8.3 支 墩.........................................................................................................................................93
8.4 雨 水 口.......................................................................................................................................94
8.5 质量验收标准...............................................................................................................................94
8.5.2 雨水口及支、连管应符合下列要求:....................... 95
9 管道功能性试验............................................ 97
9.1 一般规定.......................................................................................................................................97
9.2 压力管道水压试验......................................................................................................................97
9.3 无压管道的闭水试验..................................................................................................................101
9.4 无压管道的闭气试验..................................................................................................................103
9.5 给水管道冲洗与消毒..................................................................................................................104
附录A 给水排水管道工程分项、分部、单位工程划分参考表........ 105
附录C 注水法试验 ........................................... 116
附录D 闭水法试验 ........................................... 117
附录E 闭气法试验........................................... 118
附录F 混凝土结构无压管道渗水量测与评定方法.................. 120
附录G 钢筋混凝土结构外观质量缺陷评定方法.................... 122
附录H 聚氨酯(PU)涂层..................................... 123
本规范用词说明 .............................................. 125
1 总 则.................................................................................................................................................130
2 术 语...............................................................................................................................................131
3 基本规定.........................................................................................................................................132
4 土石方与地基处理..........................................................................................................................134
5 开槽施工管道主体结构..................................................................................................................138
6 不开槽施工主体结构......................................................................................................................143
7 沉管和桥管施工主体结构..............................................................................................................147
8 管道附属构筑物..............................................................................................................................149
9 管道功能性试验..............................................................................................................................150
附录A 给排水管道工程分项、.........................................................................................................153
分部、单位工程划分............................................................................................................................153
附录B 分项、分部、单位工程质量验收记录..................................................................................153
附录C 注水法试验.............................................................................................................................153
附录D 闭水法试验.............................................................................................................................153
附录E 闭气法试验.............................................................................................................................153
附录F 混凝土结构无压管道..............................................................................................................154
渗水量测与评定方法............................................................................................................................154
附录G 钢筋混凝土结构外观质量缺陷评定方法.............................................................................154
附录H 聚氨酯(PU)涂层................................................................................................................154
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GB 50268-2008 给水排水管道工程施工及验收规范.pdf (943.29 KB, 下载次数: 1, 售价: 3 金币)
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