Stability Assessment of Rock Mass System under Multiple Adjacent Structures
Numerical modeling is important for exploring the fundamental processes occurring in rock and for evaluating the real performance of structures built on and in rock mass system, and thus for supporting the design of rock engineering problems. Estimating the stability of rock mass foundation systems...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-01-01
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| Series: | Systems |
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| Online Access: | https://www.mdpi.com/2079-8954/10/1/5 |
| _version_ | 1797476375419944960 |
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| author | Bo Sung Kim Joon Kyu Lee |
| author_facet | Bo Sung Kim Joon Kyu Lee |
| author_sort | Bo Sung Kim |
| collection | DOAJ |
| description | Numerical modeling is important for exploring the fundamental processes occurring in rock and for evaluating the real performance of structures built on and in rock mass system, and thus for supporting the design of rock engineering problems. Estimating the stability of rock mass foundation systems entirely based on a theoretical approach is a complicated task if there exists overlapping of their potential collapse modes. This paper applies finite element limit analysis to evaluate the bearing capacity of equally spaced multiple strip footings resting on rock mass obeying the modified non-linear Hoek–Brown failure criterion. Numerical solutions are expressed in terms of the efficiency factor that is dependent on the spacing between footings, as well as the rock mass properties. In addition, the effects of surface surcharge and footing roughness are quantified. The maximum spacing at which the interfering effect of adjacent footings becomes disappeared is evaluated and an algebraic expression for approximating the maximum spacing is proposed. Failure mechanisms for a few cases of rock mass under multiple strip footings are examined. |
| first_indexed | 2024-03-09T20:57:56Z |
| format | Article |
| id | doaj.art-f3c5512a82b54b6d91e0d919bd74a917 |
| institution | Directory Open Access Journal |
| issn | 2079-8954 |
| language | English |
| last_indexed | 2024-03-09T20:57:56Z |
| publishDate | 2022-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Systems |
| spelling | doaj.art-f3c5512a82b54b6d91e0d919bd74a9172023-11-23T22:18:27ZengMDPI AGSystems2079-89542022-01-01101510.3390/systems10010005Stability Assessment of Rock Mass System under Multiple Adjacent StructuresBo Sung Kim0Joon Kyu Lee1Department of Civil Engineering, University of Seoul, Seoul 02504, KoreaDepartment of Civil Engineering, University of Seoul, Seoul 02504, KoreaNumerical modeling is important for exploring the fundamental processes occurring in rock and for evaluating the real performance of structures built on and in rock mass system, and thus for supporting the design of rock engineering problems. Estimating the stability of rock mass foundation systems entirely based on a theoretical approach is a complicated task if there exists overlapping of their potential collapse modes. This paper applies finite element limit analysis to evaluate the bearing capacity of equally spaced multiple strip footings resting on rock mass obeying the modified non-linear Hoek–Brown failure criterion. Numerical solutions are expressed in terms of the efficiency factor that is dependent on the spacing between footings, as well as the rock mass properties. In addition, the effects of surface surcharge and footing roughness are quantified. The maximum spacing at which the interfering effect of adjacent footings becomes disappeared is evaluated and an algebraic expression for approximating the maximum spacing is proposed. Failure mechanisms for a few cases of rock mass under multiple strip footings are examined.https://www.mdpi.com/2079-8954/10/1/5rock mass systemstabilitystructuresinterferenceefficiency factor |
| spellingShingle | Bo Sung Kim Joon Kyu Lee Stability Assessment of Rock Mass System under Multiple Adjacent Structures Systems rock mass system stability structures interference efficiency factor |
| title | Stability Assessment of Rock Mass System under Multiple Adjacent Structures |
| title_full | Stability Assessment of Rock Mass System under Multiple Adjacent Structures |
| title_fullStr | Stability Assessment of Rock Mass System under Multiple Adjacent Structures |
| title_full_unstemmed | Stability Assessment of Rock Mass System under Multiple Adjacent Structures |
| title_short | Stability Assessment of Rock Mass System under Multiple Adjacent Structures |
| title_sort | stability assessment of rock mass system under multiple adjacent structures |
| topic | rock mass system stability structures interference efficiency factor |
| url | https://www.mdpi.com/2079-8954/10/1/5 |
| work_keys_str_mv | AT bosungkim stabilityassessmentofrockmasssystemundermultipleadjacentstructures AT joonkyulee stabilityassessmentofrockmasssystemundermultipleadjacentstructures |