{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/83413"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/83413","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Optimizing Railroad Tank Car Safety Design to Reduce Hazardous Materials Transportation Risk","abstract":"I develop a modeling approach in which tank car safety design optimization is considered as a two-phase process. The first phase addresses the tradeoff between safety and transportation efficiency by using Pareto optimization to identify the most efficient design combinations to improve safety while minimizing incremental weight. The second phase involves estimation of chemical-specific hazard levels and calculation of the consequent benefits and costs to determine the optimal level of protection for tank cars transporting different hazardous materials. This modeling approach is applied to two different current tank car safety design problems; consideration of tank car safety design enhancements to reduce the risk of transporting toxic inhalation hazard materials, and a group of chemicals that pose risk to the environment. The framework presented in this dissertation is can be used to assist industry and government policy makers to make better-informed decisions for safer transportation of hazardous materials.","abstract_html":"I develop a modeling approach in which tank car safety design optimization is considered as a two-phase process. The first phase addresses the tradeoff between safety and transportation efficiency by using Pareto optimization to identify the most efficient design combinations to improve safety while minimizing incremental weight. The second phase involves estimation of chemical-specific hazard levels and calculation of the consequent benefits and costs to determine the optimal level of protection for tank cars transporting different hazardous materials. This modeling approach is applied to two different current tank car safety design problems; consideration of tank car safety design enhancements to reduce the risk of transporting toxic inhalation hazard materials, and a group of chemicals that pose risk to the environment. The framework presented in this dissertation is can be used to assist industry and government policy makers to make better-informed decisions for safer transportation of hazardous materials.","abstract_has_math":false,"creators":["Saat, Mohd Rapik"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Civil Engineering","degree_department":null,"school":null,"contributors":["Christopher P.L.Barkan"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T21:04:45Z","date_published":"2015-09-25T21:04:45Z","updated_at":"2026-07-22T22:26:21Z","subjects":["Operations Research"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3392462"],"render_values":[{"text":"(MiAaPQ)AAI3392462","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/83413","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Christopher P.L.Barkan"]},{"key":"dc:creator","label":"Author","values":["Saat, Mohd Rapik"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T21:04:45Z","10000-01-01","2009"]},{"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":["Operations Research"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/83413","(MiAaPQ)AAI3392462"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["I develop a modeling approach in which tank car safety design optimization is considered as a two-phase process. 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