小湾工程施工总进度工期研究

小湾水电站是澜沧江中、下游梯级开发的关键工程，混凝土双曲拱坝高达２９２ｍ，地下厂房总装机容量４２００ＭＷ，多年平均年发电量１８８．９亿ｋＷｈ，工程规模宏伟、效益巨大、技术复杂。本文根据初步设计报告和电力部、云南省联合组织的审查会意见，对小湾工程施工总进度工期论证情况作扼要介绍。

Study of General Construction Schedule for Xiaowan Hydropower project

The Xiaowan Hydropower Project is a key project in the cascade hydropower developments along the middle and lower reaches of the lancang river basin, which has a double _curvature arch dam, 292m high and an underground powerhouse with a total installed capacity of 4200MW and an average annual energy output of 18.89TWh,and is characterized by being magnificent in size, great in benefits and complicated in technique This paper gives a brief inrtoduction to the justification of its general construction schedule according to its feasibility study report and the joint review comments on the report of the Ministry of Electric Power and Yunnan Province.