拉腊水库大坝坝址及坝型方案比选

Scheme Comparison of Dam Site and Dam Type for Lala Reservoir

笔者以拉腊水库为例,对大坝坝址及坝型方案进行比选。通过从水文条件、工程量、水库淹没、工程投资等方面对坝址方案进行对比分析,从地质条件、枢纽布置和工程量、工程淹没、工程施工、工程投资等方面对混凝土重力坝和单曲拱坝两种类型进行比较。结果表明:下坝址优于上坝址;混凝土重力坝优于单曲拱坝。该文可为同类工程在坝址及坝型比选时提供参考。

Taking Lala Reservoir as an example,the dam site and dam type schemes are compared and selected.The dam site schemes are compared and analyzed from the aspects of hydrological conditions,engineering quantity,reservoir inundation and engineering investment.The concrete gravity dam and single curvature arch dam are compared from the aspects of geological conditions,hub layout and engineering quantity,engineering inundation,engineering construction and engineering investment.The results show that the lower dam site is better than the upper dam site;concrete gravity dam is superior to single curvature arch dam.This paper can provide reference for similar projects in dam site and dam type selection.