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《Shanxi Hydrotechnics》 2011-01
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Application of Smooth Blasting Method to Excavate the First Bidding Tunnel Section of Pengshang Water Diversion Tunnel Project

ZHANG Jun-feng  
The first bidding tunnel section of Pengshang Water Diversion Tunnel Project is located in the region of Hutuo River's main stream in Wutai County of Xinzhou City.The total length of this tunnel section is 4 221m.Its cross-section type is inversive U-shaped.The kinds of adjoining rocks are class Ⅲ and Ⅳ.The excavation mefhod is smooth blasting.This paper introduces the blasting parameters,construction technique and blasting effect.
【CateGory Index】: TV542
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