›› 2006, Vol. 27 ›› Issue (4): 637-642.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Numerical simulation with FLAC3D on construction and excavation process of underground powerhouse of Fuziling pumped storage hydropower station

ZENG Jing1, SHENG Qian1, LIAO Hong-jian2, LENG Xian-lun1, 2   

  1. 1. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 2. School of Constructional Engineering and Mechanics, Xi'an Jiaotong University, Xi'an 710049, Chian
  • Received:2005-01-11 Online:2006-04-10 Published:2013-11-05

Abstract: The construction and excavation process of underground powerhouse of Fuziling Pumped Storage Hydropower Station are simulated by three-dimensional fast Lagrangian method(FLAC3D). The pattern of deformation caused by excavation and stress state in surrounding rock mass are studied. The stabilities of surrounding rock mass of the powerhouse and the high slope of the surge chamber are analyzed. The bolting supports are performed on the region of the underground powerhouse caverns; and the mechanical properties of the reinforced surrounding rock mass are analyzed. By using the Ubiquitous model of FLAC3D program, we introduce a major joint cranny to surrounding rock mass and analyze the excavation deformation and the integral stability of the underground powerhouse caverns. Compared the numerical simulation results with no joint cranny around the surrounding rock mass, the effects of joint cranny on the stability of surrounding rock mass are evaluated comprehensively.

Key words: underground powerhouse, stability of surrounding rock mass, bolting support, FLAC3D

CLC Number: 

  • TU 433
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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