Research for different crack width calculation methods of concrete-lined steel pressure pipe

2nd International Conference on Materials Science, Energy Technology and Environmental Engineering

材料科学;能源学;生态环境科学

Xu, Chuang^1 ; Li, Yang^1

Hubei University of Technology, Hubei Wuhan

430068, China^1

关键词: Concrete cracking;    Crack control;    Durability of structures;    Hydraulic pressure;    Hydropower stations;    Large scale experiments;    Pressure pipes;    Three Gorges;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/81/1/012140/pdf
DOI  :  10.1088/1755-1315/81/1/012140

来源: IOP

【 摘 要 】

Based on a certain threshold to ensure the durability of structure, the concrete-lined steel pressure pipes used in the structure of large hydropower station widely are allowed to exist in concrete cracking under the action of a certain hydraulic pressure. According to the 1:2 large scale experiment model and the measured data of Three Gorges Hydro-power Station, the existing different methods for calculating crack width were compared and improvements and crack control measures were raised.