Modification of rock mass strength assessment methods and their application in geotechnical engineering

doi:10.1007/s10064-016-0952-9

CORC > 地质与地球物理研究所 > 中国科学院地质与地球物理研究所 > 中国科学院页岩气与地质工程重点实验室

	Modification of rock mass strength assessment methods and their application in geotechnical engineering
	Lin, Daming 1; Wang, Kaiyang 2,3; Li, Kun 2; He, Wantong 2; Bao, Weixing 1,5; Yuan, Renmao 4; Shang, Yanjun 2
刊名	BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT
	2017-11-01
卷号	76 期号:4 页码:1471-1480
关键词	Rock Mass Strength Estimation Joint Density Velocity Of Elastic Waves Drilling Time The Jiubao Tunnel
ISSN号	1435-9529
DOI	10.1007/s10064-016-0952-9
文献子类	Article
英文摘要	Due to complicated structures and discontinuities in surrounding rock mass, existing empirical failure criteria cannot meet the requirements of engineering practice such as tunnels. To improve estimation accuracy on the strength of rock mass with joints, a modified chart of the Geological Strength Index using Hoek-Brown criteria was further tested to estimate rock mass strength [Lin et al. (2014) Bull Eng Geol Environ 4(73): 1245-1258], and, in this paper, new strength estimation equations for jointed rock mass were then modified based on a large dataset obtained from Chinese projects. Here, standard drilling time is first introduced and described in this study, and then used as a parameter to estimate rock strength. Different empirical formulas based on joint density, rock mass classification, Hoek-Brown criteria, and elastic wave velocity are thus used to estimate rock mass strength by using data from the Jiubao tunnel. The results estimated based on different empirical formulas were similar, indicating that the modified assessment method presented in this paper can be used to estimate rock mass strength under certain circumstances. Cross-correlation of different empirical methods provides significant confidence in predicted rock mass strength calculations.
WOS关键词	MECHANICAL-PROPERTIES ; BEHAVIOR
WOS研究方向	Engineering ; Geology
语种	英语
出版者	SPRINGER HEIDELBERG
WOS记录号	WOS:000413673700018
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/62481]
专题	地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
通讯作者	Yuan, Renmao
作者单位	1.Minist Transport, Res Inst Highway, Beijing 100088, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China 3.Traff Planning & Design Inst Yunnan Prov, Kunming 650011, Yunnan, Peoples R China 4.China Earthquake Adm, Inst Geol, Key Lab Act Tecton & Volcano, Beijing 100029, Peoples R China 5.Sinkiang Traff Construct Management Bur, Urumqi 830001, Peoples R China
推荐引用方式 GB/T 7714	Lin, Daming,Wang, Kaiyang,Li, Kun,et al. Modification of rock mass strength assessment methods and their application in geotechnical engineering[J]. BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,2017,76(4):1471-1480.
APA	Lin, Daming.,Wang, Kaiyang.,Li, Kun.,He, Wantong.,Bao, Weixing.,...&Shang, Yanjun.(2017).Modification of rock mass strength assessment methods and their application in geotechnical engineering.BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,76(4),1471-1480.
MLA	Lin, Daming,et al."Modification of rock mass strength assessment methods and their application in geotechnical engineering".BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT 76.4(2017):1471-1480.