松塔水电站特高拱坝枢纽布置初步研究

Preliminary study on the general plan of the super-high arch dam of Songta hydroplant

松塔水电站地处深山峡谷,坝高库大,地形地质条件较为复杂。本工程枢纽布置的关键是特高混凝土拱坝、引水发电系统和泄洪建筑物的布置,结合工程特点并参考同类工程经验,确定了建筑物布置格局,通过初步的比较分析,拟定了三个枢纽布置方案,最后经过综合技术经济比较提出本工程枢纽布置的推荐方案。

The dam of Songta hydroplant is located in a canyon at the foot of a high mountain,where a supper-high arch and a huge reservoir are to be constructed,but the topographic and geological conditions are complicated.The key to the general plan of this project is the arrangement of the dam,the diversion and power generation structures and the discharging structures.Configurations of the structures are first selected in consideration of the distinctive features of this project and the experiences of similar projects,and then by a preliminary analysis and comparison,three layout schemes are studied.Finally,the recommended general plan is chosen by means of technical and economic comparison of the alternatives.