KLI

Numerical study of fractured rock masses: Transverse isotropy vs. implicit joint-continuum models

Metadata Downloads
Abstract
Fractures prevail mechanical behavior of a rock mass and confer an overall anisotropic response. Engineering analyses in the elastic regime often use transverse isotropy to model fractured rock masses with a single fracture set. An alternative implicit joint-continuum model combines the mechanical response of the intact rock and fractures by adding their compliance matrices. It can accommodate multiple fracture sets and non-linear fracture response. While the transverse isotropic model is inadequate to model fractured rock media because of its inherent assumptions on the continuity for all stress components, the implicit joint-continuum model is verified against the exact solutions of internal stress distributions and displacement field. The analysis of strip foundations using the implicit joint continuum approach shows that the maximum settlement and tilt will take place when the fracture set strikes quasi-collinear with the strip direction (theta(J) approximate to +/- 15 degrees) and the fracture dip angle is either beta(J) approximate to 40 degrees +/- 10 degrees or beta(J) approximate to 140 degrees +/- 10 degrees.
Author(s)
신호성J.C Santamarina
Issued Date
2021
Type
Article
Keyword
Fractured rock massstrip footingimplicit joint-continuum modeltransverse isotropic modelFEM
DOI
10.1016/j.compgeo.2021.104317
URI
https://oak.ulsan.ac.kr/handle/2021.oak/8809
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_gale_infotracacademiconefile_A673764276&context=PC&vid=ULSAN&lang=ko_KR&search_scope=default_scope&adaptor=primo_central_multiple_fe&tab=default_tab&query=any,contains,Numerical%20study%20of%20fractured%20rock%20masses:%20Transverse%20isotropy%20vs.%20implicit%20joint-continuum%20models&offset=0&pcAvailability=true
Publisher
COMPUTERS AND GEOTECHNICS
Location
미국
Language
영어
ISSN
0266-352X
Citation Volume
138
Citation Number
1
Citation Start Page
104317
Citation End Page
104317
Appears in Collections:
Engineering > Aerospace Engineering
Authorize & License
  • Authorize공개
Files in This Item:
  • There are no files associated with this item.

Items in Repository are protected by copyright, with all rights reserved, unless otherwise indicated.