改进的溢洪道底板抗浮稳定计算公式及其应用  

The improved calculation formula of spillway floor anti-floating stability and its application

作　　者：蔡勇斌 刘四方 蔡勇平 蔡晓鸿 

机构地区：[1]江西省吉安市水利局,江西吉安343000 [2]江西省吉安市水利水电规划设计院,江西吉安343000

出　　处：《江西水利科技》2015年第1期27-29,共3页Jiangxi Hydraulic Science & Technology

摘　　要：通过工程实例,从理论上分析了溢洪道底板发生失稳揭底破坏的原因与机理,阐述了现行规范消力池护坦抗浮稳定计算公式的适用条件,给出了陡槽底板与消力池护坦分缝止水破坏工况下的抗浮稳定计算式.By the engineering example,the cause and mechanism on the spillway floor failure are analyzed from the theory.The suitable condition of the anti-floating stability calculation formula of cushion pool apron on the present specification is introduced.And the anti-floating stability calculation formula in the operating duty of sealing destruction on the joint between chute floor and cushion pool apron is proposed.

关 键 词：陡槽 消力池 板块 脉动上举力 稳定计算 

分 类 号：TV651.1[水利工程—水利水电工程]