Replacement and Excavation of High Arch Dam in Weak Fractured Zone

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Tunnel Construction ›› 2009, Vol. 29 ›› Issue (2): 216-221.DOI: B

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Replacement and Excavation of High Arch Dam in Weak Fractured Zone

HE Zeshan, LIU Shuhui

Sinohydro Bureau 14 Co., Ltd

Received:2008-09-04 Online:2009-04-20 Published:2009-11-17

Abstract

Abstract:

n this paper, the authors introduce the construction sequence and method of replacement excavation for high arch dam in lamprophyres of f5 fault in Jinping I Hydropower Station. Then, the authors mainly discuss the support and excavation method in weak fractured zone and indicate the significance of safety monitoring to construction in bad geological section. Finally, the authors sum up the reasonable construction method for support and excavation in weak fractured zone.

Key words: , high arch damweak fractured zoneexcavation and support

CLC Number:

TV 64

HE Zeshan, LIU Shuhui. Replacement and Excavation of High Arch Dam in Weak Fractured Zone[J]. Tunnel Construction, 2009, 29(2): 216-221.

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Replacement and Excavation of High Arch Dam in Weak Fractured Zone

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