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The use of the extended Hamilton's principle for mode form solutions is discussed.","abstract_html":"The inelastic response of steel portal frames with a mass attached to the centre of the beam member and subjected to large dynamic loads is studied. The analysis is carried out using the mode approximation technique extended to include strain-rate sensitivity, finite deflections and pulse duration. Experimental results are presented which show good agreement with theoretical predictions. The use of the extended Hamilton's principle for mode form solutions is discussed.","abstract_has_math":false,"creators":["Hanan, Davide"],"institution":"Department of Civil Engineering","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Martin, JB"],"committee_chairs":[],"committee_members":[],"year":1977,"date_issued":"1977","date_published":"1977","updated_at":"2026-07-22T22:22:52Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/17863","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Martin, JB"]},{"key":"dc:creator","label":"Author","values":["Hanan, Davide"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2016-03-17T07:06:59Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2016-03-17T07:06:59Z"]},{"key":"dc:date.issued","label":"Date","values":["1977"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Civil Engineering"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc (Eng)"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/17863"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Bibliography: pages 65-67."]},{"key":"dc:description.abstract","label":"Abstract","values":["The inelastic response of steel portal frames with a mass attached to the centre of the beam member and subjected to large dynamic loads is studied. The analysis is carried out using the mode approximation technique extended to include strain-rate sensitivity, finite deflections and pulse duration. Experimental results are presented which show good agreement with theoretical predictions. The use of the extended Hamilton's principle for mode form solutions is discussed."]},{"key":"dc:title","label":"Title","values":["The permanent deformation of steel portal frames subjected to impulsive loading"]}]}],"canonical_facts":{"dc:contributor.advisor":["Martin, JB"],"dc:creator":["Hanan, Davide"],"dc:date.accessioned":["2016-03-17T07:06:59Z"],"dc:date.available":["2016-03-17T07:06:59Z"],"dc:date.issued":["1977"],"dc:description":["Bibliography: pages 65-67."],"dc:description.abstract":["The inelastic response of steel portal frames with a mass attached to the centre of the beam member and subjected to large dynamic loads is studied. The analysis is carried out using the mode approximation technique extended to include strain-rate sensitivity, finite deflections and pulse duration. Experimental results are presented which show good agreement with theoretical predictions. The use of the extended Hamilton's principle for mode form solutions is discussed."],"dc:identifier.uri":["http://hdl.handle.net/11427/17863"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Civil Engineering"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["The permanent deformation of steel portal frames subjected to impulsive loading"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc (Eng)"]},"updated_at":"2026-07-22T22:22:52Z"}