{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/20412"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/20412","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Time-dependent analysis of cable-stayed bridges","abstract":"Cable-stayed bridges are constructed using the cantilever method of construction and generally take a long time to build. In a concrete cable-stayed bridge, concrete properties change with time causing a change in the position of the neutral axis. In different parts of a concrete bridge creep and shrinkage develop at different rates which depend upon various environmental factors and the intrinsic properties of the concrete. In bridges with a variable depth to the soffit, the analysis requires the use of average cross section properties of each element.","abstract_html":"Cable-stayed bridges are constructed using the cantilever method of construction and generally take a long time to build. In a concrete cable-stayed bridge, concrete properties change with time causing a change in the position of the neutral axis. In different parts of a concrete bridge creep and shrinkage develop at different rates which depend upon various environmental factors and the intrinsic properties of the concrete. In bridges with a variable depth to the soffit, the analysis requires the use of average cross section properties of each element.","abstract_has_math":false,"creators":["Shaukat, Adeel"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Civil Engineering","degree_department":null,"school":null,"contributors":["Foutch, Douglas A."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-07T12:38:28Z","date_published":"2011-05-07T12:38:28Z","updated_at":"2026-07-22T22:25:15Z","subjects":["Applied Mechanics","Engineering, Civil"],"languages":["eng"],"rights":["Copyright 1993 Shaukat, Adeel"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9314935","(UMI)AAI9314935"],"render_values":[{"text":"AAI9314935","href":null,"code":true},{"text":"(UMI)AAI9314935","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/20412","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Foutch, Douglas A."]},{"key":"dc:creator","label":"Author","values":["Shaukat, Adeel"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-07T12:38:28Z","10000-01-01","1993"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Civil Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Applied Mechanics","Engineering, Civil"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1993 Shaukat, Adeel"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9314935","(UMI)AAI9314935","http://hdl.handle.net/2142/20412"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Cable-stayed bridges are constructed using the cantilever method of construction and generally take a long time to build. In a concrete cable-stayed bridge, concrete properties change with time causing a change in the position of the neutral axis. In different parts of a concrete bridge creep and shrinkage develop at different rates which depend upon various environmental factors and the intrinsic properties of the concrete. In bridges with a variable depth to the soffit, the analysis requires the use of average cross section properties of each element.","Within the premise of the Euler-Bernoulli beam theory, a procedure has been developed to calculate the flexibility and stiffness matrices of nonprismatic beam-column elements with reference to an arbitrarily chosen reference axis. New shape functions have been developed for the nonprismatic beams to interpolate the axial and transverse displacements at the reference axis. The reference axis may lie outside the body of the element. The theory has been extended to incorporate geometric nonlinearity. The shape functions for nonprismatic beams yield the exact stiffness matrix for beams with variable depth. A step-by-step method is suggested to analyze structures for the effects of creep and shrinkage of concrete.","Made available in DSpace on 2011-05-07T12:38:28Z (GMT). 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In a concrete cable-stayed bridge, concrete properties change with time causing a change in the position of the neutral axis. In different parts of a concrete bridge creep and shrinkage develop at different rates which depend upon various environmental factors and the intrinsic properties of the concrete. In bridges with a variable depth to the soffit, the analysis requires the use of average cross section properties of each element.","Within the premise of the Euler-Bernoulli beam theory, a procedure has been developed to calculate the flexibility and stiffness matrices of nonprismatic beam-column elements with reference to an arbitrarily chosen reference axis. New shape functions have been developed for the nonprismatic beams to interpolate the axial and transverse displacements at the reference axis. The reference axis may lie outside the body of the element. The theory has been extended to incorporate geometric nonlinearity. The shape functions for nonprismatic beams yield the exact stiffness matrix for beams with variable depth. A step-by-step method is suggested to analyze structures for the effects of creep and shrinkage of concrete.","Made available in DSpace on 2011-05-07T12:38:28Z (GMT). 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