Expert System of Surrounding Rock Classification for Highway Tunnel in Karst Region: Design and Application

doi:10.11988/ckyyb.20161228

Journal of Changjiang River Scientific Research Institute ›› 2018, Vol. 35 ›› Issue (7): 94-99.DOI: 10.11988/ckyyb.20161228

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Expert System of Surrounding Rock Classification for Highway Tunnel in Karst Region: Design and Application

JIANG Jie^{1, 2, 3}, PU Ou¹, OU Xiao-duo^1,2, ZHAO Jian-gang⁴, XIE Gui-qiu⁴

1.College of Civil Engineering and Architecture, Guangxi University,Nanning 530004, China;
2.Key Laboratory of Disaster Prevention and Structural Safety, Guangxi University,Nanning 530004, China;
3.Guangxi Provincial Key Laboratory of Geomechanics and Geotechnical Engineering, Guilin University ofTechnology, Guilin 541004, China; 4.CCCC Fourth Highway Engineering Co.,Ltd.,Beijing 100022, China

Received:2016-11-23 Published:2018-07-01 Online:2018-07-01

Abstract

Abstract: As highway tunnel construction is greatly affected by karst geological condition, karst indexes should be considered in addition to conventional indicators in surrounding rock classification. In this research, a model of surrounding rock classification was set up, in which rock hardness, rock mass integrity, groundwater status, structural plane occurrence and karst status are included. The expert system based on three tunnel projects in Guangxi Province for surrounding rock classification was designed by embedding normalization algorithm for the indexes using MatLab and C++. The expert system software was applied to engineering and the consistence between software results and actual survey reached 80.89%.

Key words: karst, highway tunnel, classification of surrounding rock, expert system, neural network

CLC Number:

U451.2

JIANG Jie, PU Ou, OU Xiao-duo, ZHAO Jian-gang, XIE Gui-qiu. Expert System of Surrounding Rock Classification for Highway Tunnel in Karst Region: Design and Application[J]. Journal of Changjiang River Scientific Research Institute, 2018, 35(7): 94-99.

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Expert System of Surrounding Rock Classification for Highway Tunnel in Karst Region: Design and Application

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