Geological Engineering: Proceedings of the 1st International Conference (ICGE 2007)
138 Study on Routing Effect of Workplace Weak Rock Foundation for Guangzhao Hydropower Station
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Engineering geological features for Powerhouse foundation of Guangzhao Hydropower Station is weak, which can not satisfy for the requirement of foundation design and deformation. Reinforcement treatment is performed. Wave velocity and deformation modulus of Powerhouse foundation rock is tested, and the relationship between them is established. The consolidate grouting and supplementary grouting is done with workplace weak rock foundation. The evaluation on grouting effect is by using the relationship of wave velocity and deformation modulus. The results show that there is a good effect on the P1 fracture zone, No. 5 karst conduit and T1Yn4 clayed dolomite...