Foundation Impedance Functions: Theory Versus Experiment
Forced-haimonic-vibration tests, using an eccentric-mass shaker, were conducted on two small but different concrete foundations. One foundation (Cholame 1E), located in central California, consisted of a 4-in.-(10-cm-) thick, 50-in.- (1.27-m-) square slab with corner piers embedded in moderately sti...
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| Veröffentlicht in: | Journal of geotechnical engineering 1990-03, Vol.116 (3), p.432-449 |
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| container_title | Journal of geotechnical engineering |
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| creator | Crouse, C. B Hushmand, Behnam Luco, J. Enrique Wong, H. L |
| description | Forced-haimonic-vibration tests, using an eccentric-mass shaker, were conducted on two small but different concrete foundations. One foundation (Cholame 1E), located in central California, consisted of a 4-in.-(10-cm-) thick, 50-in.- (1.27-m-) square slab with corner piers embedded in moderately stiff alluvial deposits. The other foundation (Station 6), a 6-in.- (15-cm-) thick, 48‐in.‐×45‐in.‐(1.22‐m‐×1.14‐m‐) rectangular slab, rested directly on softer deposits in the Imperial Valley of southern California. Experimental foundation-impedance functions, computed from the vibration-response data, were similar to theoretical predictions for Station 6; however, significant differences were observed between the experimental and theoretical impedance functions for Cholame 1E. These differences probably resulted from overestimation of the shear-wave velocities of the top layers of soil directly underneath the Cholame IE foundation, and to a lesser extent from the use of a simple embedded disk to model the foundation geometry. |
| doi_str_mv | 10.1061/(ASCE)0733-9410(1990)116:3(432) |
| format | Article |
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Experimental foundation-impedance functions, computed from the vibration-response data, were similar to theoretical predictions for Station 6; however, significant differences were observed between the experimental and theoretical impedance functions for Cholame 1E. These differences probably resulted from overestimation of the shear-wave velocities of the top layers of soil directly underneath the Cholame IE foundation, and to a lesser extent from the use of a simple embedded disk to model the foundation geometry.</description><subject>Applied sciences</subject><subject>Buildings. Public works</subject><subject>Earthwork. Foundations. Retaining walls</subject><subject>Exact sciences and technology</subject><subject>Geotechnics</subject><subject>TECHNICAL PAPERS</subject><issn>0733-9410</issn><issn>1944-8368</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNp9kEFLwzAYhoMoOKf_oQfR7VBN-qVds4Mw5jYnQw9OES8hbb9gR9fWZAX3703d3NFASEhe3jx5CLlm9IbRiN32Ri_jSZ8OAHzBGe0xIWifsWgIPQ5B_4h0mODcjyGKj0nnkDslZ9auKA1YGPIOiadVU2Zqk1elN1_XmKkyRW_alGl7ZIfe8hMrs_Xe0NjGepPvGk2-xnJzTk60Kixe7NcueZ1OluMHf_E8m49HC185io2vBcSKIWcaGKBgoBTN3BVgCjpKuIaEiyCJUSQUE9A0pch1mAQxZqFDhC652vXWpvpq0G7kOrcpFoUqsWqsDMIoGoD7XZfc7YKpqaw1qGXtSJXZSkZla0zK1phsTcjWhGyNSWdMgnSsruBy_5KyqSq0cSpye2iJ4jDmoXCx913MpVCuqsaU7v_ycTZ5uv-glLpC2g5w09X-7tkfwv8EP4yFhB0</recordid><startdate>19900301</startdate><enddate>19900301</enddate><creator>Crouse, C. B</creator><creator>Hushmand, Behnam</creator><creator>Luco, J. Enrique</creator><creator>Wong, H. 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B</creatorcontrib><creatorcontrib>Hushmand, Behnam</creatorcontrib><creatorcontrib>Luco, J. Enrique</creatorcontrib><creatorcontrib>Wong, H. L</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Earthquake Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of geotechnical engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Crouse, C. B</au><au>Hushmand, Behnam</au><au>Luco, J. Enrique</au><au>Wong, H. L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Foundation Impedance Functions: Theory Versus Experiment</atitle><jtitle>Journal of geotechnical engineering</jtitle><date>1990-03-01</date><risdate>1990</risdate><volume>116</volume><issue>3</issue><spage>432</spage><epage>449</epage><pages>432-449</pages><issn>0733-9410</issn><eissn>1944-8368</eissn><coden>JGENDZ</coden><abstract>Forced-haimonic-vibration tests, using an eccentric-mass shaker, were conducted on two small but different concrete foundations. One foundation (Cholame 1E), located in central California, consisted of a 4-in.-(10-cm-) thick, 50-in.- (1.27-m-) square slab with corner piers embedded in moderately stiff alluvial deposits. The other foundation (Station 6), a 6-in.- (15-cm-) thick, 48‐in.‐×45‐in.‐(1.22‐m‐×1.14‐m‐) rectangular slab, rested directly on softer deposits in the Imperial Valley of southern California. Experimental foundation-impedance functions, computed from the vibration-response data, were similar to theoretical predictions for Station 6; however, significant differences were observed between the experimental and theoretical impedance functions for Cholame 1E. These differences probably resulted from overestimation of the shear-wave velocities of the top layers of soil directly underneath the Cholame IE foundation, and to a lesser extent from the use of a simple embedded disk to model the foundation geometry.</abstract><cop>New York, NY</cop><pub>American Society of Civil Engineers</pub><doi>10.1061/(ASCE)0733-9410(1990)116:3(432)</doi><tpages>18</tpages></addata></record> |
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| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | Applied sciences Buildings. Public works Earthwork. Foundations. Retaining walls Exact sciences and technology Geotechnics TECHNICAL PAPERS |
| title | Foundation Impedance Functions: Theory Versus Experiment |
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