水利水电技术2017，Vol.48Issue(8)：120-125,6.DOI:10.13928/j.cnki.wrahe.2017.08.023
引汉济渭工程黄三段深埋长输水隧洞排水方案研究
Study on drainage scheme for long deep-buried water conveyance tunnel of Hanjiang-to-Weihe River Valley Water Diversion Project
摘要
Abstract
In order to solve the drainage problems of deep buried long water transfer tunnels effectively,the surrounding rock along the tunnels is divided into medium rich water area,weak rich water area and poor water area.The influences from different drainage design schemes on the external water pressure acting on the lining of the long deep-buried water conveyance tunnel for Huangsan Section of Hanjiang River to Weihe River Water Transfer Project are analyzed herein by simulating the circumferential seepage field of the lining with the relevant numerical method.The result shows that for the condition of higher external water pressure,if arranging the drain-holes at the arch-crown,only the external water pressure near the arch-crown can be lowered,but the external water pressure acting on the bottom slab cannot be effectively decreased,however,when the drain-holes are uniformly arranged along the circumference of the lining,the external water pressure acting on the lining can be effectively decreased.On the basis of this,the adaptable conditions for all the drainage schemes are discussed,and then the relevant suggestions on the drainage design for the long deep-buried water conveyance tunnel are put forward as well.关键词
引汉济渭工程/输水隧洞/排水设计/外水压力/数值分析/衬砌结构Key words
Hanjiang-to-Weihe River Valley Water Diversion Project/water conveyance tunnel/drainage design/external water pressure/numerical analysis/lining structure分类
建筑与水利引用本文复制引用
赵大洲,梁春雨,党雪梅,李玉邦,周锐,崔超..引汉济渭工程黄三段深埋长输水隧洞排水方案研究[J].水利水电技术,2017,48(8):120-125,6.基金项目
国家重点研发计划课题(2016YFC0401804) （2016YFC0401804）
