Structure Force Analysis for Reinforced Concrete Bifurcation Pipe of Dongjiang Hydropower Station

摘要

Bifurcated pipe belongs to complex spatial structure, and when it bears the inner and the external water pressure, the bifurcation structure enters in complex stress state. Dongjiang Hydropower Station is located upstream of the Xiangjiang River tributary in the southeastern territory of Zixing, Hunan province and it is a large hydropower projects with comprehensive benefits such as a power generation, flood control, navigation, and industrial and agricultural water using and so on. In this paper, using the finite element method of reinforced concrete bifurcation structure of Dongjiang hydropower station analyzes the stress so that the analysis results play a vital role in providing strong theoretical evidence for the operation if it is safe. The results prove that the surrounding rock are binding on the bifurcation pipe so that fork tubes can significantly reduce stress and have a positive impact on the safety for the bifurcation pipe.