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STUDY ON EFFECT OF EXCAVATION BLASTING ON DYNAMIC STABILITY OF HIGH ROCK SLOPE AT MANWAN HYDROPOWER STATION

Zhang Yongzhe;Zhen Shengli(China Institute of Water Resourses and Hydropower Research,Beijing 100044)  
Combined with the blasting construction of Manwan Hydropower Station,the site experiment and theoretical analysis on the safety and stability of high rock slope has been done in this paper.One calculation method of dynamic stability analysis proposed on the basis of the theory of limit equilibrium of rigid body.The major technical problems have been solved in engineering design and construction.In addition,the practice for solving the slope excavation of left bank and stability analysis at Manwan Hydropower Station is also introduced in this paper.
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