目录简介 | Contents 1 General rules 2 Major symbols 3 Action on pipeline structure 4 Basic design provisions 5 Basic construction requirements Annex A Integral deformation modulus of pipe-side backfill Annex B Determination of normal value of vertical earth pressure of pipe top Annex C Calculation method of normal value of action of surface car load to the pipeline Annex D The calculation of maximum fracture width of reinforced concrete rectangular section when it's under bending,large eccentric tension states Annex E Explanation of wording in this standard
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