1 General Provisions 1
2 Terms and Symbols 3
2． 1 Terms 3
2． 2 Symbols 6
3 Design Requirements 8
3． 1 General 8
3． 2 Arrangement of bridges and culverts 9
3． 3 Spans of bridges and culverts 13
3． 4 Clearance of bridges and culverts 14
3． 5 Bridge alignment and approach roads 18
3． 6 Structural requirements 20
3． 7 Deck pavement， waterproofing and drainage 21
3． 8 Maintenance and other auxiliary facilities 22
4 Actions 24
4． 1 Classification of actions， representative values and
combination of actions 24
4． 2 Permanent actions 31
4． 3 Variable actions 37
4． 4 Accidental actions 51
4． 5 Seismic actions 53
Wording Explanation for the Specifications 54
Background to Provisions 55
1 General Provisions 57
3 Design Requirements 59
4 Actions 71
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