对称割线放张法在庙沟中桥先张法预应力板施工中的应用

The Application of Symmetrical Secant Put Piece Method in the First Tensioning Prestressed Slab Construction of Miaogou

对称割线放张法在公路桥梁建设中应用非常广泛，本文通过对对称割线放张法在庙沟中桥建设的应用介绍，简单阐述了对称割线放张法的构思及放张步骤、放张计算及放张方案等方面的介绍，供同行参考。

The symmetrical secant put piece method is widely used in highway bridge construction. This article introduces the application of symmetrical secant put piece method in the bridge building of Miaogou and simply elaborates the conc-eption, step, calculation and scheme of symmetrical secant put piece method, in order to provide reference for the col eague.