Influence of Stone Columns on Seismic Response of Buildings Considering the Effects of Liquefaction
In this paper, the behaviour of a soil-foundation system supported on a stone column-reinforced liquefiable soil strata is investigated through finite element analysis. The numerical analyses are performed on a five story reinforced concrete moment resisting building supported on a raft foundation....
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| Veröffentlicht in: | International journal of geotechnical earthquake engineering 2022-01, Vol.13 (1), p.1-23 |
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| container_title | International journal of geotechnical earthquake engineering |
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| creator | Narayanan, Murugesan Sankara Visuvasam, Joseph Antony Chandrasekaran, Sembulichampalayam Sennimalai |
| description | In this paper, the behaviour of a soil-foundation system supported on a stone column-reinforced liquefiable soil strata is investigated through finite element analysis. The numerical analyses are performed on a five story reinforced concrete moment resisting building supported on a raft foundation. The influence of stone column slenderness ratio on liquefaction mitigation is studied by varying the length of stone columns at a constant area replacement ratio. The results are obtained based on the excess pore pressure, free-field soil settlement, foundation settlement, acceleration response, superstructure's inter-story drift, and lateral story displacement for each ground motion. The results showed that the liquefaction of free-field soil had a major impact on the foundation settlement and building lateral deformation. With the inclusion of stone columns, excess pore pressure ratio in the free-field region reduced considerably, which had immediate effects on the building's lateral deformation. |
| doi_str_mv | 10.4018/ijgee.314222 |
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The numerical analyses are performed on a five story reinforced concrete moment resisting building supported on a raft foundation. The influence of stone column slenderness ratio on liquefaction mitigation is studied by varying the length of stone columns at a constant area replacement ratio. The results are obtained based on the excess pore pressure, free-field soil settlement, foundation settlement, acceleration response, superstructure's inter-story drift, and lateral story displacement for each ground motion. The results showed that the liquefaction of free-field soil had a major impact on the foundation settlement and building lateral deformation. With the inclusion of stone columns, excess pore pressure ratio in the free-field region reduced considerably, which had immediate effects on the building's lateral deformation.</description><identifier>ISSN: 1947-8488</identifier><identifier>EISSN: 1947-8496</identifier><identifier>DOI: 10.4018/ijgee.314222</identifier><language>eng</language><publisher>Hershey: IGI Global</publisher><subject>Analysis ; Buildings ; Concrete ; Deformation ; Deformation effects ; Earthquakes ; Finite element analysis ; Finite element method ; Foundation settlement ; Ground motion ; Lateral displacement ; Liquefaction ; Load ; Numerical analysis ; Permeability ; Pore pressure ; Pore water pressure ; Pressure ratio ; Raft foundations ; Reinforced concrete ; Seismic engineering ; Seismic response ; Shear strain ; Shear stress ; Slenderness ratio ; Soil investigations ; Soil layers ; Soil settlement ; Soils ; Stone ; Stone columns ; Superstructures</subject><ispartof>International journal of geotechnical earthquake engineering, 2022-01, Vol.13 (1), p.1-23</ispartof><rights>COPYRIGHT 2022 IGI Global</rights><rights>2022. This work is published under https://creativecommons.org/licenses/by/4.0/ (the “License”). 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The numerical analyses are performed on a five story reinforced concrete moment resisting building supported on a raft foundation. The influence of stone column slenderness ratio on liquefaction mitigation is studied by varying the length of stone columns at a constant area replacement ratio. The results are obtained based on the excess pore pressure, free-field soil settlement, foundation settlement, acceleration response, superstructure's inter-story drift, and lateral story displacement for each ground motion. The results showed that the liquefaction of free-field soil had a major impact on the foundation settlement and building lateral deformation. With the inclusion of stone columns, excess pore pressure ratio in the free-field region reduced considerably, which had immediate effects on the building's lateral deformation.</description><subject>Analysis</subject><subject>Buildings</subject><subject>Concrete</subject><subject>Deformation</subject><subject>Deformation effects</subject><subject>Earthquakes</subject><subject>Finite element analysis</subject><subject>Finite element method</subject><subject>Foundation settlement</subject><subject>Ground motion</subject><subject>Lateral displacement</subject><subject>Liquefaction</subject><subject>Load</subject><subject>Numerical analysis</subject><subject>Permeability</subject><subject>Pore pressure</subject><subject>Pore water pressure</subject><subject>Pressure ratio</subject><subject>Raft foundations</subject><subject>Reinforced concrete</subject><subject>Seismic engineering</subject><subject>Seismic response</subject><subject>Shear strain</subject><subject>Shear stress</subject><subject>Slenderness ratio</subject><subject>Soil investigations</subject><subject>Soil layers</subject><subject>Soil settlement</subject><subject>Soils</subject><subject>Stone</subject><subject>Stone columns</subject><subject>Superstructures</subject><issn>1947-8488</issn><issn>1947-8496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>N95</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNptkF1LwzAUhosoOObu_AEFb93sSdNmvZxj6mAgOL0OTXrSZXTJ7Gkv_PdmH7gbc5GcAw_vS54ouodkwhOYPtltjThJgTPGrqIBFFyMp7zIr__m6fQ2GhFtk3AyLoTgg0gvnWl6dBpjb-J15x3Gc9_0O0exd_EaLe2sjj-Q9t7REXrubVNZV1MAHdkK27DE3QbjhTGoOzpAK_vdoyl1Z727i25M2RCOzu8w-npZfM7fxqv31-V8thrrFEQ3ZpkyPOOpzoAxFJXCLEelUsNVxRSUymhjIBdVogxUUGAFgFVeFLkyiUZIh9HDKXff-tBOndz6vnWhUrIihYLl4deBejxRddmgVD1ZhxQusvWmo7rsieRM5AmHpBDZBdetJ2rRyH1rd2X7IyGRB_HyKF6exAd8fsJtbS_1R8HSG3kULM-CpXf_ZUCa_gLbN4-l</recordid><startdate>20220101</startdate><enddate>20220101</enddate><creator>Narayanan, Murugesan Sankara</creator><creator>Visuvasam, Joseph Antony</creator><creator>Chandrasekaran, Sembulichampalayam Sennimalai</creator><general>IGI Global</general><scope>AAYXX</scope><scope>CITATION</scope><scope>N95</scope><scope>7ST</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>KR7</scope><scope>L6V</scope><scope>M7S</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>SOI</scope></search><sort><creationdate>20220101</creationdate><title>Influence of Stone Columns on Seismic Response of Buildings Considering the Effects of Liquefaction</title><author>Narayanan, Murugesan Sankara ; 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The numerical analyses are performed on a five story reinforced concrete moment resisting building supported on a raft foundation. The influence of stone column slenderness ratio on liquefaction mitigation is studied by varying the length of stone columns at a constant area replacement ratio. The results are obtained based on the excess pore pressure, free-field soil settlement, foundation settlement, acceleration response, superstructure's inter-story drift, and lateral story displacement for each ground motion. The results showed that the liquefaction of free-field soil had a major impact on the foundation settlement and building lateral deformation. With the inclusion of stone columns, excess pore pressure ratio in the free-field region reduced considerably, which had immediate effects on the building's lateral deformation.</abstract><cop>Hershey</cop><pub>IGI Global</pub><doi>10.4018/ijgee.314222</doi><tpages>23</tpages></addata></record> |
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| subjects | Analysis Buildings Concrete Deformation Deformation effects Earthquakes Finite element analysis Finite element method Foundation settlement Ground motion Lateral displacement Liquefaction Load Numerical analysis Permeability Pore pressure Pore water pressure Pressure ratio Raft foundations Reinforced concrete Seismic engineering Seismic response Shear strain Shear stress Slenderness ratio Soil investigations Soil layers Soil settlement Soils Stone Stone columns Superstructures |
| title | Influence of Stone Columns on Seismic Response of Buildings Considering the Effects of Liquefaction |
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