{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/101731"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/101731","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Applications of finite element method in studying mechanical behavior of concrete materials on different scales","abstract":"Computer simulation is a powerful tool for understanding material behavior at a wide range of scales. This research uses finite element modeling for two investigations at two very different scales. The first study considers the microstructure of foam concrete material. The objective is providing insights for understanding the foam concrete crushing behavior, where the real foam concrete microstructure is studied. With a micro-CT scan providing the foam geometry information, tetrahedral meshes are generated for rendering the microstructure, which is further used for simulating a uniaxial compression test in Abaqus/CAE. The simulation result is qualitatively reasonable, suggesting a potential of using this approach for further exploring the foam crushing behavior. The second study focuses on investigating the thermal induced movement of the full-scale airport slabs at O’Hare International Airport. The simulation is implemented to evaluate four model configurations for estimating the opening at concrete expansion joints. After further considering the actual boundary condition, the modeling effort demonstrates acceptable accuracy of the simulation result. The good agreement between the FEM simulation and the field measurement confirms a realistic prediction overall. By studying the stress concentration in the concrete slabs in subsequent, it is found that expansion joint width plays the most critical role in alleviating the stress buildup issue as concerned by the field engineers.","abstract_html":"Computer simulation is a powerful tool for understanding material behavior at a wide range of scales. This research uses finite element modeling for two investigations at two very different scales. The first study considers the microstructure of foam concrete material. The objective is providing insights for understanding the foam concrete crushing behavior, where the real foam concrete microstructure is studied. With a micro-CT scan providing the foam geometry information, tetrahedral meshes are generated for rendering the microstructure, which is further used for simulating a uniaxial compression test in Abaqus/CAE. The simulation result is qualitatively reasonable, suggesting a potential of using this approach for further exploring the foam crushing behavior. The second study focuses on investigating the thermal induced movement of the full-scale airport slabs at O’Hare International Airport. The simulation is implemented to evaluate four model configurations for estimating the opening at concrete expansion joints. After further considering the actual boundary condition, the modeling effort demonstrates acceptable accuracy of the simulation result. The good agreement between the FEM simulation and the field measurement confirms a realistic prediction overall. By studying the stress concentration in the concrete slabs in subsequent, it is found that expansion joint width plays the most critical role in alleviating the stress buildup issue as concerned by the field engineers.","abstract_has_math":false,"creators":["Shen, Chuanyue"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Civil Engineering","degree_department":null,"school":null,"contributors":["Lange, David A."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2018,"date_issued":"2018-09-27T16:34:24Z","date_published":"2018-09-27T16:34:24Z","updated_at":"2026-07-22T22:24:40Z","subjects":["FEM simulation","concrete materials"],"languages":["en"],"rights":["Copyright 2018 Chuanyue Shen"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/101731","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Lange, David A."]},{"key":"dc:creator","label":"Author","values":["Shen, Chuanyue"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2018-09-27T16:34:24Z","2020-09-28T09:15:08Z","2018-07-19","2018-08"]},{"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":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"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":["FEM simulation","concrete materials"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2018 Chuanyue Shen"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/101731"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Computer simulation is a powerful tool for understanding material behavior at a wide range of scales. This research uses finite element modeling for two investigations at two very different scales. The first study considers the microstructure of foam concrete material. The objective is providing insights for understanding the foam concrete crushing behavior, where the real foam concrete microstructure is studied. With a micro-CT scan providing the foam geometry information, tetrahedral meshes are generated for rendering the microstructure, which is further used for simulating a uniaxial compression test in Abaqus/CAE. The simulation result is qualitatively reasonable, suggesting a potential of using this approach for further exploring the foam crushing behavior. The second study focuses on investigating the thermal induced movement of the full-scale airport slabs at O’Hare International Airport. The simulation is implemented to evaluate four model configurations for estimating the opening at concrete expansion joints. After further considering the actual boundary condition, the modeling effort demonstrates acceptable accuracy of the simulation result. The good agreement between the FEM simulation and the field measurement confirms a realistic prediction overall. By studying the stress concentration in the concrete slabs in subsequent, it is found that expansion joint width plays the most critical role in alleviating the stress buildup issue as concerned by the field engineers.","Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2020-08-01","The student, Chuanyue Shen, accepted the attached license on 2018-07-19 at 12:54.","The student, Chuanyue Shen, submitted this Thesis for approval on 2018-07-19 at 13:04.","This Thesis was approved for publication on 2018-07-19 at 16:29.","DSpace SAF Submission Ingestion Package generated from Vireo submission #12943 on 2018-09-27 at 11:19:35","Made available in DSpace on 2018-09-27T16:34:24Z (GMT). No. of bitstreams: 2 SHEN-THESIS-2018.pdf: 25757823 bytes, checksum: 7a5e55f64da491ce433d8c7bc1e1724d (MD5) LICENSE.txt: 4210 bytes, checksum: 722c30bf05b0c165ae5278b8948e6db9 (MD5) Previous issue date: 2018-07-19","Embargo set by: Seth Robbins for item 107831 Lift date: 2020-09-27T16:34:29Z Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD system","U of I Only Restriction Lifted for Item 107831 on 2020-09-28T09:15:08Z."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Applications of finite element method in studying mechanical behavior of concrete materials on different scales"]}]}],"canonical_facts":{"dc:contributor":["Lange, David A."],"dc:creator":["Shen, Chuanyue"],"dc:date":["2018-09-27T16:34:24Z","2020-09-28T09:15:08Z","2018-07-19","2018-08"],"dc:description":["Computer simulation is a powerful tool for understanding material behavior at a wide range of scales. This research uses finite element modeling for two investigations at two very different scales. The first study considers the microstructure of foam concrete material. The objective is providing insights for understanding the foam concrete crushing behavior, where the real foam concrete microstructure is studied. With a micro-CT scan providing the foam geometry information, tetrahedral meshes are generated for rendering the microstructure, which is further used for simulating a uniaxial compression test in Abaqus/CAE. The simulation result is qualitatively reasonable, suggesting a potential of using this approach for further exploring the foam crushing behavior. The second study focuses on investigating the thermal induced movement of the full-scale airport slabs at O’Hare International Airport. The simulation is implemented to evaluate four model configurations for estimating the opening at concrete expansion joints. After further considering the actual boundary condition, the modeling effort demonstrates acceptable accuracy of the simulation result. The good agreement between the FEM simulation and the field measurement confirms a realistic prediction overall. By studying the stress concentration in the concrete slabs in subsequent, it is found that expansion joint width plays the most critical role in alleviating the stress buildup issue as concerned by the field engineers.","Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2020-08-01","The student, Chuanyue Shen, accepted the attached license on 2018-07-19 at 12:54.","The student, Chuanyue Shen, submitted this Thesis for approval on 2018-07-19 at 13:04.","This Thesis was approved for publication on 2018-07-19 at 16:29.","DSpace SAF Submission Ingestion Package generated from Vireo submission #12943 on 2018-09-27 at 11:19:35","Made available in DSpace on 2018-09-27T16:34:24Z (GMT). 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