GBT50470-2017······1

1 總則······11

2 術(shù)語和符號(hào)······12

2.1 術(shù)語······12

2.2 符號(hào)······13

3 基本規(guī)定······20

4 抗震設(shè)防要求······21

4.1 抗震設(shè)防標(biāo)準(zhǔn)······21

4.2 地震安全性評(píng)價(jià)······22

5 工程勘察及場(chǎng)地參數(shù)······24

5.1 工程勘察······24

5.2 場(chǎng)地類別和地震動(dòng)參數(shù)調(diào)整······25

6 管道抗震設(shè)計(jì)······28

6.1 一般埋地管道抗震設(shè)計(jì)······28

6.2 通過活動(dòng)斷層的埋地管道抗震設(shè)計(jì)······31

6.3 液化區(qū)埋地管道抗震設(shè)計(jì)······35

6.4 震陷區(qū)埋地管道抗震設(shè)計(jì)······36

6.5 管道穿越工程抗震設(shè)計(jì)······37

6.6 管道跨越工程抗震設(shè)計(jì)······40

7 抗震措施······45

7.1 通用抗震措施······45

7.2 專項(xiàng)抗震措施······45

8 管道抗震施工······51

8.1 一般規(guī)定······51

8.2 材料檢查與驗(yàn)收······51

8.3 管道焊接安裝與試壓······51

8.4 埋地管道抗震施工······52

8.5 穿跨越管道抗震施工······55

9 管道抗震交工······58

附錄A 管道場(chǎng)地地段劃分······60

附錄B 飽和砂土和飽和粉土的地震液化判別······61

附錄C 管材性能參數(shù)和軸向拉伸曲線······64

附錄D 通過活動(dòng)斷層埋地管道極限應(yīng)變計(jì)算······67

附錄E 通過活動(dòng)斷層埋地管道有限元方法的彈簧參數(shù)······72

附錄F 管道抗震施工檢查報(bào)告表······76

本規(guī)范用詞說明······82

引用標(biāo)準(zhǔn)名錄······83

附:條文說明······85

1 總則······90

2 術(shù)語和符號(hào)······94

2.1 術(shù)語······94

3 基本規(guī)定······98

4 抗震設(shè)防要求······99

4.1 抗震設(shè)防標(biāo)準(zhǔn)······99

4.2 地震安全性評(píng)價(jià)······101

5 工程勘察及場(chǎng)地參數(shù)······104

5.1 工程勘察······104

5.2 場(chǎng)地類別和地震動(dòng)參數(shù)調(diào)整······106

6 管道抗震設(shè)計(jì)······109

6.1 一般埋地管道抗震設(shè)計(jì)······109

6.2 通過活動(dòng)斷層的埋地管道抗震設(shè)計(jì)······117

6.3 液化區(qū)埋地管道抗震設(shè)計(jì)······138

6.4 震陷區(qū)埋地管道抗震設(shè)計(jì)······139

6.5 管道穿越工程抗震設(shè)計(jì)······139

6.6 管道跨越工程抗震設(shè)計(jì)······143

7 抗震措施······147

7.1 通用抗震措施······147

7.2 專項(xiàng)抗震措施······147

8 管道抗震施工······152

8.1 一般規(guī)定······152

8.2 材料檢查與驗(yàn)收······152

8.3 管道焊接安裝與試壓······153

8.4 埋地管道抗震施工······153

8.5 穿跨越管道抗震施工······154