GB 50268-2008 給水排水管道工程施工及驗收規(guī)范.pdf

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目 次
1 總 則..................................................... 1
2 術 語..................................................... 2
3 基 本 規(guī) 定............................................ 4
3.1 施工基本規(guī)定.................................................................................................................................4
3.2 質(zhì)量驗收基本規(guī)定..........................................................................................................................5
4 土石方與地基處理........................................... 8
4.1 一般規(guī)定......................................................................................................................................8
4.2 施工降排水.....................................................................................................................................9
4.3 溝槽開挖與支護..............................................................................................................................9
4.4 地基處理....................................................................................................................................12
4.5 溝槽回填....................................................................................................................................12
4.6 質(zhì)量驗收標準...............................................................................................................................15
5 開槽施工管道主體結構...................................... 18
5.1 一般規(guī)定....................................................................................................................................18
5.2 管道基礎....................................................................................................................................20
5.3 鋼管安裝....................................................................................................................................21
5.4 鋼管內(nèi)外防腐...............................................................................................................................24
5.5 球墨鑄鐵管安裝............................................................................................................................29
5.6 鋼筋混凝土管及預（自）應力混凝土管安裝............................................................................29
5.6.10 預（自）應力混凝土管不得截斷使用。..............................................................................30
5.7 預應力鋼筒混凝土管安裝............................................................................................................31
5.8 玻璃鋼管安裝...............................................................................................................................32
5.9 硬聚氯乙烯、聚乙烯管及其復合管安裝....................................................................................33
5.10 質(zhì)量驗收標準..............................................................................................................................34
6 不開槽施工管道主體結構.................................... 42
6.1 一般規(guī)定.......................................................................................................................................42
7 沉管和橋管施工主體結構.................................... 78
7.1 一般規(guī)定.......................................................................................................................................78
7.2 沉 管...........................................................................................................................................79
7.3 橋 管...........................................................................................................................................84
7.4 質(zhì)量驗收標準...............................................................................................................................86
8.1 一般規(guī)定..........................................................................................................................................92
8.2 井 室...........................................................................................................................................92
8.3 支 墩.........................................................................................................................................93
8.4 雨 水 口.......................................................................................................................................94
8.5 質(zhì)量驗收標準...............................................................................................................................94
8.5.2 雨水口及支、連管應符合下列要求：....................... 95
9 管道功能性試驗............................................ 97
9.1 一般規(guī)定.......................................................................................................................................97
9.2 壓力管道水壓試驗......................................................................................................................97
9.3 無壓管道的閉水試驗..................................................................................................................101
9.4 無壓管道的閉氣試驗..................................................................................................................103
9.5 給水管道沖洗與消毒..................................................................................................................104
附錄A 給水排水管道工程分項、分部、單位工程劃分參考表........ 105
附錄C 注水法試驗 ........................................... 116
附錄D 閉水法試驗 ........................................... 117
附錄E 閉氣法試驗........................................... 118
附錄F 混凝土結構無壓管道滲水量測與評定方法.................. 120
附錄G 鋼筋混凝土結構外觀質(zhì)量缺陷評定方法.................... 122
附錄H 聚氨酯（PU）涂層..................................... 123
本規(guī)范用詞說明 .............................................. 125
1 總 則.................................................................................................................................................130
2 術 語...............................................................................................................................................131
3 基本規(guī)定.........................................................................................................................................132
4 土石方與地基處理..........................................................................................................................134
5 開槽施工管道主體結構..................................................................................................................138
6 不開槽施工主體結構......................................................................................................................143
7 沉管和橋管施工主體結構..............................................................................................................147
8 管道附屬構筑物..............................................................................................................................149
9 管道功能性試驗..............................................................................................................................150
附錄A 給排水管道工程分項、.........................................................................................................153
分部、單位工程劃分............................................................................................................................153
附錄B 分項、分部、單位工程質(zhì)量驗收記錄..................................................................................153
附錄C 注水法試驗.............................................................................................................................153
附錄D 閉水法試驗.............................................................................................................................153
附錄E 閉氣法試驗.............................................................................................................................153
附錄F 混凝土結構無壓管道..............................................................................................................154
滲水量測與評定方法............................................................................................................................154
附錄G 鋼筋混凝土結構外觀質(zhì)量缺陷評定方法.............................................................................154
附錄H 聚氨酯（PU）涂層................................................................................................................154
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GB 50268-2008 給水排水管道工程施工及驗收規(guī)范.pdf (943.29 KB, 下載次數(shù): 2, 售價: 3 金幣)

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