The Application and Construction of Light Steel Roof Truss in the Hydropower Station Tunnel

摘要

The hydropower station tunnel construction is crossover operation and environment is poor. Installation space and time are limited. The paper introduces corresponding measures and installation method. Through field investigation and vast demonstration, using electric hoist and little bridge machine in equipment assembly area can avoid the effect to power house equipment installation and reduce crossover operation time. Using installation platform on the little bridge in hydro-generator area can reduce the use of the little bridge machine and improve the installation efficiency.