西安喜来登大酒店建筑面积万，地下$层，地上$%层，高’“，有(个电梯井。电梯井的里脚手架均采用井筒壁留洞搭设法，效果良好。现将具体做法介绍如下。$)预留施工洞结构工程施工时，在每个电梯井的井筒壁上部，每层预留!个(*”“+$*”"的洞,图$-，供安放钢横梁用。洞下平面距上部 Sheraton Xian Hotel floor area of ​​10,000, underground $ layer, the ground $% layer, high ’, there (a shaft elevator shaft scaffolding are wellbore holes to take the method of installation, the effect is good. As follows: $) Reserve for the construction of the tunnel structure During the construction of the project, reserve a hole in each shaft at the upper part of the shaft wall of each elevator shaft (Figure $ - Placed steel beams with holes from the upper plane