日本到目前为止共制定和修订过四次有关港口建筑物设计指南性质的文件,其内容都包括有关港口码头等抗震设计的规定: 1.《港口工程设计规范要览》:1950年制定。内容包括:①系船岸壁设计说明书,②疏浚填筑计划及施工标准;③防波堤设计说明书三个部分。在“系船岸壁设计说明书”中,规定了与抗震设计有关的地震时的土压力及水压力、地震力、容许应力强度等数值。地震时土 Japan has so far formulated and revised four documents on the nature of port building design guidelines, including the provisions on seismic design such as port terminals: 1. A List of Port Engineering Design Codes: enacted in 1950. The contents include: ① the design specification of the ship’s wharf, ② the dredging filling plan and construction standards; ③ the breakwater design instruction in three parts. In the Design Guide for Ship Line, the values ​​of earth pressure, water pressure, seismic force, allowable stress intensity and the like are specified for earthquakes related to seismic design. Earthquakes