广州抽水蓄能电站A厂厂房结构裂缝成因分析

经20多a运行,广州抽水蓄能电站(以下简称广蓄)A厂地下厂房结构部分构件出现裂缝、破损情况。为分析其产生原因,通过现场检测、结构配筋和三维有限元计算复核、现场振动测试等多种科学方法进行分析研究,并互相验证,结果表明:结构裂缝的出现是因施工缝设置不合理、振动荷载与结构构造配筋不足,混凝土施工缺陷、楼板与梁刚度偏小及结构刚度整体不均匀等因素所致。

Analysis on Structural Cracks of Plant A in Guangzhou Pumped Storage Power Station

After running for more than 20 years, the structure of the underground plant A of Guangzhou Pumped Storage Power Station (hereinafter referred to as Guang Xu) has developed some cracks and damage. To analyze the causes, a variety of scientific methods such as the field test, structure reinforcement calculation, 3D finite element calculation, the field vibration test, and so on have been studied. Through the mutual correction of these methods, the reasons of cracks and damage have been found out.