GB50040-2020······1

1 總則······11

2 術語和符號······12

2.1 術語······12

2.2 符號······13

3 基本規定······16

3.1 一般規定······16

3.2 材料及構造規定······17

3.3 地基和基礎計算規定······18

3.4 地基動力特性參數······20

4 旋轉式機器基礎······30

4.1 汽輪發電機組基礎······30

4.2 旋轉式壓縮機基礎······37

4.3 電機基礎······42

5 往復式機器基礎······47

5.1 一般規定······47

5.2 振動計算······47

5.3 構造要求······57

6 沖擊式機器基礎······58

6.1 鍛錘基礎······58

6.2 落錘基礎······64

7 壓力機基礎······68

7.1 一般規定······68

7.2 振動計算······68

7.3 構造要求······71

8 破碎機和磨機基礎······73

8.1 破碎機基礎······73

8.2 磨機基礎······75

9 振動試驗臺基礎······77

9.1 液壓振動臺基礎······77

9.2 電動振動臺基礎······81

10 金屬切削機床基礎······83

附錄A 錨樁（桿）基礎設計······86

附錄B 框架式基礎的動力計算······87

附錄C 地面振動衰減的計算······93

附錄D 沖擊式機器基礎有阻尼動力系數71ηmax值的計算······96

本標準用詞說明······102

引用標準名錄······103

附：條文說明······104

1 總則······108

2 術語和符號······109

2.1 術語······109

2.2 符號······109

3 基本規定······110

3.1 一般規定······110

3.2 材料及構造規定······112

3.3 地基和基礎計算規定······112

3.4 地基動力特性參數······113

4 旋轉式機器基礎······116

4.1 汽輪發電機組基礎······116

4.2 旋轉式壓縮機基礎······118

4.3 電機基礎······125

5 往復式機器基礎······126

5.1 一般規定······126

5.2 振動計算······127

5.3 構造要求······131

6 沖擊式機器基礎······132

6.1 鍛錘基礎······132

6.2 落錘基礎······134

7 壓力機基礎······137

7.1 一般規定······137

7.2 振動計算······138

7.3 構造要求······142

8 破碎機和磨機基礎······143

8.1 破碎機基礎······143

8.2 磨機基礎······145

9 振動試驗臺基礎······147

9.1 液壓振動臺基礎······147

9.2 電動振動臺基礎······150

10 金屬切削機床基礎······152