STRESS AND STRAIN ANALYSIS AROUND UNDERGROUND ROOM
By excavation of opening in the rock, a stress concentration around the opening occurs. The state of stresses and strains around an opening is analysed by theory of elasticity and by Finite Element Method (FEM).The aim of the paper is to determine the dimension of the FEM model for the stress and st...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Faculty of Mining, Geology and Petroleum Engineering
2000-12-01
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| Series: | Rudarsko-geološko-naftni Zbornik |
| Subjects: | |
| Online Access: | http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=20581&lang=en |
| _version_ | 1797726580985823232 |
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| author | Krešimir Tor Lidija Frgić Antonia Jaguljnak Lazarević |
| author_facet | Krešimir Tor Lidija Frgić Antonia Jaguljnak Lazarević |
| author_sort | Krešimir Tor |
| collection | DOAJ |
| description | By excavation of opening in the rock, a stress concentration around the opening occurs. The state of stresses and strains around an opening is analysed by theory of elasticity and by Finite Element Method (FEM).The aim of the paper is to determine the dimension of the FEM model for the stress and strain analysis around an elliptical opening in rock massif.
The numerical calculation have been performed for two different boundary conditions: with forces or with displacements. Boundary conditions given by displacements give better approximation in the state of stress and strains.
An example of the excavation of a road tunnel is used to represent stress concentration at the opening and the places where the plastic zones occur. The computation has been done after FEM comprising the Hock-Brown criterion of failure. The results of stability analysis point to the zones where failure of the rock material may be anticipa¬ted. This is important when planning and designing the primary supp¬orts.
The comparison of the results of numerical modelling and field recording during excavation is of particular significance (the paper is published in Croatian). |
| first_indexed | 2024-03-12T10:47:41Z |
| format | Article |
| id | doaj.art-7b8faf026a33413dba849742bdffacce |
| institution | Directory Open Access Journal |
| issn | 0353-4529 1849-0409 |
| language | English |
| last_indexed | 2024-03-12T10:47:41Z |
| publishDate | 2000-12-01 |
| publisher | Faculty of Mining, Geology and Petroleum Engineering |
| record_format | Article |
| series | Rudarsko-geološko-naftni Zbornik |
| spelling | doaj.art-7b8faf026a33413dba849742bdffacce2023-09-02T07:23:51ZengFaculty of Mining, Geology and Petroleum EngineeringRudarsko-geološko-naftni Zbornik0353-45291849-04092000-12-011215966STRESS AND STRAIN ANALYSIS AROUND UNDERGROUND ROOMKrešimir Tor 0Lidija Frgić 1Antonia Jaguljnak Lazarević 2Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Pierottijeva 6, Zagreb, CroatiaFaculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Pierottijeva 6, Zagreb, CroatiaFaculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Pierottijeva 6, Zagreb, CroatiaBy excavation of opening in the rock, a stress concentration around the opening occurs. The state of stresses and strains around an opening is analysed by theory of elasticity and by Finite Element Method (FEM).The aim of the paper is to determine the dimension of the FEM model for the stress and strain analysis around an elliptical opening in rock massif. The numerical calculation have been performed for two different boundary conditions: with forces or with displacements. Boundary conditions given by displacements give better approximation in the state of stress and strains. An example of the excavation of a road tunnel is used to represent stress concentration at the opening and the places where the plastic zones occur. The computation has been done after FEM comprising the Hock-Brown criterion of failure. The results of stability analysis point to the zones where failure of the rock material may be anticipa¬ted. This is important when planning and designing the primary supp¬orts. The comparison of the results of numerical modelling and field recording during excavation is of particular significance (the paper is published in Croatian).http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=20581&lang=enunderground roomFinite Element Methodfailure criterion |
| spellingShingle | Krešimir Tor Lidija Frgić Antonia Jaguljnak Lazarević STRESS AND STRAIN ANALYSIS AROUND UNDERGROUND ROOM Rudarsko-geološko-naftni Zbornik underground room Finite Element Method failure criterion |
| title | STRESS AND STRAIN ANALYSIS AROUND UNDERGROUND ROOM |
| title_full | STRESS AND STRAIN ANALYSIS AROUND UNDERGROUND ROOM |
| title_fullStr | STRESS AND STRAIN ANALYSIS AROUND UNDERGROUND ROOM |
| title_full_unstemmed | STRESS AND STRAIN ANALYSIS AROUND UNDERGROUND ROOM |
| title_short | STRESS AND STRAIN ANALYSIS AROUND UNDERGROUND ROOM |
| title_sort | stress and strain analysis around underground room |
| topic | underground room Finite Element Method failure criterion |
| url | http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=20581&lang=en |
| work_keys_str_mv | AT kresimirtor stressandstrainanalysisaroundundergroundroom AT lidijafrgic stressandstrainanalysisaroundundergroundroom AT antoniajaguljnaklazarevic stressandstrainanalysisaroundundergroundroom |