A Strain-Softening Constitutive Model of Heterogeneous Rock Mass Considering Statistical Damage and Its Application in Numerical Modeling of Deep Roadways

doi:10.3390/su11082399

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

	A Strain-Softening Constitutive Model of Heterogeneous Rock Mass Considering Statistical Damage and Its Application in Numerical Modeling of Deep Roadways
	Li, Guang 1,2,3; Ma, Fengshan 1,2; Liu, Gang 1,2,3; Zhao, Haijun 1,2; Guo, Jie 1,2
刊名	SUSTAINABILITY
	2019-04-02
卷号	11 期号:8 页码:19
关键词	statistical damage model heterogeneity constitutive model strain softening numerical analysis
ISSN号	2071-1050
DOI	10.3390/su11082399
英文摘要	During the construction of underground caverns, the stability of deep underground cavern excavation, which affects the safety and sustainable development of such projects, is a hot issue. First, based on the mechanical properties of surrounding rock in deep tunnels, the strain-softening behavior, damage, and heterogeneity of rock masses are analyzed. Then, a strain-softening model of heterogeneous jointed rock mass that considers statistical damage (SSD) is developed and implemented through FLAC3D simulation software. Finally, the SSD is applied to a deep roadway in the Jinchuan mining area, and a comparative analysis of the computation results of the Mohr-Coulomb (MC) model and the strain-softening (SS) model are carried out. The numerical results are compared with the field-monitoring results, which show that the SSD model simulated the behavior of the surrounding rocks well. The results show that the deformations of the roof and floor are larger, which may serve as a reference for the support pattern of deep roadways.
资助项目	National Science Foundation of China[41831293] ; National Science Foundation of China[41877274] ; National Science Foundation of China[41772341]
WOS关键词	ELASTOPLASTIC ANALYSIS ; TUNNEL ; DEFORMATION ; SIMULATION ; MECHANICS
WOS研究方向	Science & Technology - Other Topics ; Environmental Sciences & Ecology
语种	英语
出版者	MDPI
WOS记录号	WOS:000467752200212
资助机构	National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/92106]
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	Ma, Fengshan
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Li, Guang,Ma, Fengshan,Liu, Gang,et al. A Strain-Softening Constitutive Model of Heterogeneous Rock Mass Considering Statistical Damage and Its Application in Numerical Modeling of Deep Roadways[J]. SUSTAINABILITY,2019,11(8):19.
APA	Li, Guang,Ma, Fengshan,Liu, Gang,Zhao, Haijun,&Guo, Jie.(2019).A Strain-Softening Constitutive Model of Heterogeneous Rock Mass Considering Statistical Damage and Its Application in Numerical Modeling of Deep Roadways.SUSTAINABILITY,11(8),19.
MLA	Li, Guang,et al."A Strain-Softening Constitutive Model of Heterogeneous Rock Mass Considering Statistical Damage and Its Application in Numerical Modeling of Deep Roadways".SUSTAINABILITY 11.8(2019):19.