一、概述秦皇岛新建二期、三期煤港工程中,翻车机房为工程的核心。二期煤港翻车机房(以下简称3~#工程)长43.5~m宽31.5~m高15.5~m,外墙内部上下对应各有横梁五条,横梁两端与井壁的扶壁相联,中间有纵隔墙一道,(如图1),采取先预制后下沉的工艺。三期煤港翻 I. Overview In the newly built Phase II and Phase III coal port projects in Qinhuangdao, the rollover engine room is the core of the project. The second stage coal port roll-over room (hereinafter referred to as 3~# project) is 43.5~m wide and 31.5~m high and 15.5~m high. There are five cross-beams inside and outside the outer wall, and the ends of the cross-beam are connected to the buttress of the shaft wall. There is a vertical partition wall (Fig. 1). Phase III coal port turn