基于iS3平台的岩体隧道信息精细化采集、分析与服务

doi:10.13722/j.cnki.jrme.2017.0707

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Abstract Due to the complexity and hidden nature of rock in engineering，traditional modeling and analysis in rock engineering are based on the data acquisition techniques and numerical methods with low accuracy. This paper integrates a series of high-precision methods and techniques into the iS3(infrastructure smart service system)，an integrated platform of engineering information developed by the authors. This system integrating software and hardware is used for data acquisition，analysis and service of rock tunnels. Binocular digital photography and 3D laser scanning are applied in iS3 to acquire and reconstitute surface and joint information of rock. Based on the high-precision information，3D mesh and block cutting algorithm are used to generate the information for numerical computation，which is integrated into the same 3D model with digital information from data acquisition. 3D finite element analysis module with nonlinear failure criterion and integrated computation module using the key block analysis and discontinuous deformation analysis(DDA) are implemented in iS3 to provide the high-precision numerical results. The service module of iS3 includes the functions such as the project management，information presentation，safety analysis，aided design and etc. This system realizes high-precision and remote service and has been applied in practical engineering cases.

Key words： tunnelling engineering high-precision data acquisition numerical analysis engineering service

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	Articles by authors
	ZHU Hehua1
	2
	3
	WU Wei2
	LI Xiaojun1
	2
	3
	CHEN Jianqin2
	HUANG Xianbin2

Cite this article:

ZHU Hehua1,2,3, et al. High-precision Acquisition，analysis and service of rock tunnel information based on iS3 platform[J]. , 2017, 36(10): 2350-2364.

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http://www.rockmech.org/EN/10.13722/j.cnki.jrme.2017.0707 OR http://www.rockmech.org/EN/Y2017/V36/I10/2350

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