一、前言随着我国煤炭开采量的发展,煤炭的内、外贸易量也随之增加,为了适应大量煤炭的海上运输,在“六五”、“七五”期间现代化的煤码头将相继兴建起来。1978年以来,我院先后在秦皇岛港煤码头一、二期工程、石臼港煤码头工程的设计中,对作为翻车机房基础的地下构筑物,根据不同的地质和水文地质条件,采用过圆形沉井、矩 I. Introduction With the development of coal mining in our country, the volume of domestic and foreign trade of coal has also increased. In order to adapt to large quantities of coal by sea, the modernized coal wharves will be constructed one after another during the “Sixth Five-Year” and “Seventh Five-Year Plan” periods stand up. Since 1978, our hospital has in Qinhuangdao Port Coal Terminal Phase I and II, Shijiu Port Coal Project design, as the basis of the car overturning room underground structures, according to different geological and hydrogeological conditions, the use of round Shen Well, moment