辽西北供水工程地质勘探试验洞混凝土衬砌施工方法

The Method to Construct Concrete Lining of Geologic Exploration Test Tunnel in Liaoning Northwest Water Supply Project

辽西北供水工程隧洞为圆拱直墙型和圆拱斜墙型两种断面形式,工程工期紧,为保证隧洞保质保量按期完工,选何种混凝土模板及入仓方式是工程的重点,文中具体说明了圆拱直墙型和圆拱斜墙型两种断面混凝土衬砌模板及入仓方法。

There are two kinds of cross section shapes of tunnel in Liaoning Northwest Water Supply Project： circular top arch with vertical side walls or with incline side walls.The construction time of this project is very pressing.In order to assure project quality and to accomplish project task on time,selecting whick kind of concrete form and which mode to place concrete is the focal points.In this paper,the concrete forms＇ shapes and the methods to place concrete of above-mentioned two kinds of tunnel＇s cross section are introduced concretely.