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延安电厂扩建工程挡土墙结构自1990年完工后,尚未投入使用,产生不同程度的裂缝,直接关系到除尘器框架楼、引风机室及烟道的稳定.该部位的失稳造成除尘器框架楼、引风机室、烟道等结构不同程度的破坏.由于诸多条件的限制,加固该部位的难度很大.本文主要介绍了通过采用锚固与墙前混凝土框架的联合作用方案,使得该电厂扩建工程自1991年3月完工,现已安全投产.
Yan’an Power Plant expansion project retaining wall structure has not been put into use since its completion in 1990, resulting in different degrees of cracks directly related to the stability of the precipitator frame, induced draft fan chamber and the flue. The instability caused by the dust collector frame Floor, induced draft fan chamber, flue and other structures to varying degrees of destruction due to many conditions, the reinforcement of the site is very difficult.This paper describes the use of anchorage and the wall before the concrete framework of the joint action program, making the expansion of the power plant The project was completed in March 1991 and is now in safe operation.