不同外水压力下输水隧洞结构及配筋计算分析

Calculation and analysis of tunnel structure and reinforcement under different external water pressure

本文采用SDCAD对输水隧洞衬砌结构在不同外水压力作用下的内力值及配筋进行了计算,结果表明,无压输水隧洞内力及配筋结果由外水压力控制,外水压力越大,结构所受内力就越大,对隧洞的选配钢筋的要求也就越高。

This article applies SDCAD on internal force and reinforcement calculation of the tunnel lining structure of water conveyance tunnel under different external weter pressures.The results show that the internal force and reinforcement results of the water conveyance tunnel without pressure are controlled by the external water pressure.The greater the external water pressure is,the greater the internal force of the structure is,and the greater the requirements for the selection and reinforcement of the tunnel are.