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Probabilistic Analysis of Ground Movements Caused by Tunneling in a Spatially Variable Soil
Cheng, Hongzhan; Chen, Jian; Li, Jianbin
2019
Source PublicationINTERNATIONAL JOURNAL OF GEOMECHANICS
ISSN1532-3641
Volume19Issue:12Pages:-
AbstractThe design and construction of a tunnel in urban areas is a significant undertaking that requires ensuring ground movements, preventing the adverse impact on adjacent structures. However, the conventional methods are always deterministic, rather than taking the natural spatial variability of soil properties into account. In this study, the spatial variability of the soil profile was modeled using a two-dimensional random field and coupled with numerical analysis to obtain a probabilistic characterization of surface deformations. It was assumed that random fields were generated on the basis of the covariance matrix decomposition method in a manner consistent with a specified numerical mesh. A series of parametric analyses were conducted to study the effects of uncertainty due to the variability of soil Young's modulus on ground movements. The results demonstrate the presented computational framework to be effective in the assessment of surface deformations. The soil variability exerts the influence both on the magnitude and distribution of surface deformations, which depends on the magnitude of the soil variability. Furthermore, it is concluded that negligence of the variability of soil properties in the probability analysis of the surface settlement can lead to an underestimation of the probability of failure, compared to the traditional deterministic analysis.
KeywordTunneling Spatial variability Random field Ground movements Probabilistic analysis
DOI10.1061/(ASCE)GM.1943-5622.0001526
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Geological
WOS IDWOS:000490240200014
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://119.78.100.198/handle/2S6PX9GI/14815
Collection岩土力学所知识全产出_期刊论文
国家重点实验室知识产出_期刊论文
Affiliation1.Hunan Univ, Coll Civil Engn, Changsha 410082, Hunan, Peoples R China;
2.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Cheng, Hongzhan,Chen, Jian,Li, Jianbin. Probabilistic Analysis of Ground Movements Caused by Tunneling in a Spatially Variable Soil[J]. INTERNATIONAL JOURNAL OF GEOMECHANICS,2019,19(12):-.
APA Cheng, Hongzhan,Chen, Jian,&Li, Jianbin.(2019).Probabilistic Analysis of Ground Movements Caused by Tunneling in a Spatially Variable Soil.INTERNATIONAL JOURNAL OF GEOMECHANICS,19(12),-.
MLA Cheng, Hongzhan,et al."Probabilistic Analysis of Ground Movements Caused by Tunneling in a Spatially Variable Soil".INTERNATIONAL JOURNAL OF GEOMECHANICS 19.12(2019):-.
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