Influence of Foundation Rigidity on the Structural Response of Mat Foundation
A mat is a type of shallow foundation that is appropriate for structures supported on soil having relatively low bearing capacity or excessive settlement. Structural analysis of a mat foundation can be accomplished by either assuming the mat to be perfectly rigid or by considering the soil-structure...
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2021
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| Online Access: | http://hdl.handle.net/11073/24055 |
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| _version_ | 1864513438765547520 |
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| author | Tabsh, Sami |
| author2 | El-Emam, Magdi |
| author2_role | author |
| author_facet | Tabsh, Sami El-Emam, Magdi |
| author_role | author |
| dc.creator.none.fl_str_mv | Tabsh, Sami El-Emam, Magdi |
| dc.date.none.fl_str_mv | 2021 2022-06-22T08:12:03Z 2022-06-22T08:12:03Z |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | Sami W. Tabsh, Magdi El-Emam, "Influence of Foundation Rigidity on the Structural Response of Mat Foundation", Advances in Civil Engineering, vol. 2021, Article ID 5586787, 13 pages, 2021. https://doi.org/10.1155/2021/5586787 1687-8086 http://hdl.handle.net/11073/24055 10.1155/2021/5586787 |
| dc.language.none.fl_str_mv | en_US |
| dc.publisher.none.fl_str_mv | Hindawi Limited |
| dc.relation.none.fl_str_mv | https://doi.org/10.1155/2021/5586787 |
| dc.subject.none.fl_str_mv | Rigidity index Mat structural response Mat Foundation |
| dc.title.none.fl_str_mv | Influence of Foundation Rigidity on the Structural Response of Mat Foundation |
| dc.type.none.fl_str_mv | Peer-Reviewed Published version info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article |
| description | A mat is a type of shallow foundation that is appropriate for structures supported on soil having relatively low bearing capacity or excessive settlement. Structural analysis of a mat foundation can be accomplished by either assuming the mat to be perfectly rigid or by considering the soil-structure interaction. This study researches the relationship between the mat-soil rigidity and structural response in terms of the soil bearing pressure, bending moment, and shear within the mat. To accomplish the objective of the study, 70 different mats are analyzed using a linearly elastic finite element approach. The variables that are considered in the analysis are the number of bays in each direction, center-to-center column spacing, mat thickness, panel aspect ratio, column cross section dimensions, soil modulus of subgrade reaction, and modulus of elasticity of concrete. A dimensionless mat rigidity measure was developed that determines whether a given mat can be reasonably analyzed by assuming it to be infinitely rigid. The developed rigidity factor takes into consideration all parameters that significantly affect the mat structural response. Results of the analysis indicate that there is strong correlation between the developed rigidity factor and critical soil bearing pressure and maximum internal bending moment within the mat. No correlation was observed between the mat rigidity and critical shear force. Relationships between the rigidity factor and the critical soil bearing pressures and bending moments, relative to the response of the infinitely rigid mat, are proposed. A parametric study is included to demonstrate the impact of the variables that affect the rigidity index on the response of the mat. |
| format | article |
| id | aus_4a7131bdf380b4d710cea254e8fbee2e |
| identifier_str_mv | Sami W. Tabsh, Magdi El-Emam, "Influence of Foundation Rigidity on the Structural Response of Mat Foundation", Advances in Civil Engineering, vol. 2021, Article ID 5586787, 13 pages, 2021. https://doi.org/10.1155/2021/5586787 1687-8086 10.1155/2021/5586787 |
| language_invalid_str_mv | en_US |
| network_acronym_str | aus |
| network_name_str | aus |
| oai_identifier_str | oai:repository.aus.edu:11073/24055 |
| publishDate | 2021 |
| publisher.none.fl_str_mv | Hindawi Limited |
| repository.mail.fl_str_mv | |
| repository.name.fl_str_mv | |
| repository_id_str | |
| spelling | Influence of Foundation Rigidity on the Structural Response of Mat FoundationTabsh, SamiEl-Emam, MagdiRigidity indexMat structural responseMat FoundationA mat is a type of shallow foundation that is appropriate for structures supported on soil having relatively low bearing capacity or excessive settlement. Structural analysis of a mat foundation can be accomplished by either assuming the mat to be perfectly rigid or by considering the soil-structure interaction. This study researches the relationship between the mat-soil rigidity and structural response in terms of the soil bearing pressure, bending moment, and shear within the mat. To accomplish the objective of the study, 70 different mats are analyzed using a linearly elastic finite element approach. The variables that are considered in the analysis are the number of bays in each direction, center-to-center column spacing, mat thickness, panel aspect ratio, column cross section dimensions, soil modulus of subgrade reaction, and modulus of elasticity of concrete. A dimensionless mat rigidity measure was developed that determines whether a given mat can be reasonably analyzed by assuming it to be infinitely rigid. The developed rigidity factor takes into consideration all parameters that significantly affect the mat structural response. Results of the analysis indicate that there is strong correlation between the developed rigidity factor and critical soil bearing pressure and maximum internal bending moment within the mat. No correlation was observed between the mat rigidity and critical shear force. Relationships between the rigidity factor and the critical soil bearing pressures and bending moments, relative to the response of the infinitely rigid mat, are proposed. A parametric study is included to demonstrate the impact of the variables that affect the rigidity index on the response of the mat.American University of SharjahHindawi Limited2022-06-22T08:12:03Z2022-06-22T08:12:03Z2021Peer-ReviewedPublished versioninfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfSami W. Tabsh, Magdi El-Emam, "Influence of Foundation Rigidity on the Structural Response of Mat Foundation", Advances in Civil Engineering, vol. 2021, Article ID 5586787, 13 pages, 2021. https://doi.org/10.1155/2021/55867871687-8086http://hdl.handle.net/11073/2405510.1155/2021/5586787en_UShttps://doi.org/10.1155/2021/5586787oai:repository.aus.edu:11073/240552024-08-22T12:06:42Z |
| spellingShingle | Influence of Foundation Rigidity on the Structural Response of Mat Foundation Tabsh, Sami Rigidity index Mat structural response Mat Foundation |
| status_str | publishedVersion |
| title | Influence of Foundation Rigidity on the Structural Response of Mat Foundation |
| title_full | Influence of Foundation Rigidity on the Structural Response of Mat Foundation |
| title_fullStr | Influence of Foundation Rigidity on the Structural Response of Mat Foundation |
| title_full_unstemmed | Influence of Foundation Rigidity on the Structural Response of Mat Foundation |
| title_short | Influence of Foundation Rigidity on the Structural Response of Mat Foundation |
| title_sort | Influence of Foundation Rigidity on the Structural Response of Mat Foundation |
| topic | Rigidity index Mat structural response Mat Foundation |
| url | http://hdl.handle.net/11073/24055 |