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一、前言 本文着重介绍“六五”计划重点工程小龙潭电厂中运用这种方法的结果;以供今后在高层建筑、道路桥梁、井巷衬砌、地下建筑及其它构筑物的结构应力长期观测时参考。 云南小龙潭电厂是一座坑口电厂,厂址几经选择,无法避开断裂层及膨胀土地区,这就给基建工程带来了给水钢管埋在膨胀土中的问题。补给水管是直经700mm的钢管,有数公里需埋在膨胀土中。
I. INTRODUCTION This article focuses on the results of applying this method in the Xiaolongtan Power Plant, the key project of the “Sixth Five-Year Plan”; for future reference in the long-term observation of the structural stress of high-rise buildings, roads and bridges, tunnel linings, underground buildings and other structures. . The Xiaolongtan Power Plant in Yunnan Province is a pit power plant. Several sites have been selected and cannot avoid the fault layer and the expansive soil area. This has brought water supply steel pipes buried in expansive soil to infrastructure projects. The supply water pipe is straight through 700mm steel pipe and there are several kilometers to be buried in expansive soil.