日本是一个地震多发的国家,而特殊的地形又决定了水坝在其经济社会发展中具有重要的地位,因此水坝的安全管理和地震安全评价就成为一个至关重要的方面。本文摘自日本公共工程研究所的研究报告,供参考。1概述目前,日本大约有2 600座水坝,它们的用途不同,建成的时间也各异。从20 Japan is an earthquake prone country, and the special topography determines that dams play an important role in their economic and social development. Therefore, dam safety management and seismic safety assessment have become a crucial aspect. This article is taken from the Japan Institute of Public Works research report for reference. 1 Overview At present, there are about 2,600 dams in Japan, which have different uses and have been completed at different times. From 20