{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/83347"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/83347","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Role of Aggregate Packing in Segregation Resistance and Flow Behavior of Self -Consolidating Concrete","abstract":"A numerical model based on rheology and mechanics analysis is developed to predict dynamic segregation. The calculated dynamic segregation agrees well with values obtained in the laboratory, using the flow trough, and in the field. It is found that smaller aggregate size, continuous aggregate gradation, lower aggregate density, and higher paste viscosity and yield stress reduce dynamic segregation. Among these factors, aggregate size, gradation, density, and paste rheology have bigger effects than aggregate volume and initial concrete flow velocity. A simple method is introduced to set the maximum flowing distance for SCC mixes based on the flow trough result and mix proportions.","abstract_html":"A numerical model based on rheology and mechanics analysis is developed to predict dynamic segregation. The calculated dynamic segregation agrees well with values obtained in the laboratory, using the flow trough, and in the field. It is found that smaller aggregate size, continuous aggregate gradation, lower aggregate density, and higher paste viscosity and yield stress reduce dynamic segregation. Among these factors, aggregate size, gradation, density, and paste rheology have bigger effects than aggregate volume and initial concrete flow velocity. A simple method is introduced to set the maximum flowing distance for SCC mixes based on the flow trough result and mix proportions.","abstract_has_math":false,"creators":["Shen, Lin"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Civil Engineering","degree_department":null,"school":null,"contributors":["Leslie Struble"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T21:04:24Z","date_published":"2015-09-25T21:04:24Z","updated_at":"2026-07-22T22:26:21Z","subjects":["Engineering, Civil"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3290373"],"render_values":[{"text":"(MiAaPQ)AAI3290373","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/83347","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Leslie Struble"]},{"key":"dc:creator","label":"Author","values":["Shen, Lin"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T21:04:24Z","10000-01-01","2007"]},{"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":["Engineering, Civil"]}]},{"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/2142/83347","(MiAaPQ)AAI3290373"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["A numerical model based on rheology and mechanics analysis is developed to predict dynamic segregation. The calculated dynamic segregation agrees well with values obtained in the laboratory, using the flow trough, and in the field. It is found that smaller aggregate size, continuous aggregate gradation, lower aggregate density, and higher paste viscosity and yield stress reduce dynamic segregation. Among these factors, aggregate size, gradation, density, and paste rheology have bigger effects than aggregate volume and initial concrete flow velocity. A simple method is introduced to set the maximum flowing distance for SCC mixes based on the flow trough result and mix proportions.","Made available in DSpace on 2015-09-25T21:04:24Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3290373.pdf: 4020916 bytes, checksum: 7cf4370f9b463f26f918e618f3727d3e (MD5) Previous issue date: 2007","Embargo set by: Seth Robbins for item 84628 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","178 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007."]},{"key":"dc:title","label":"Title","values":["Role of Aggregate Packing in Segregation Resistance and Flow Behavior of Self -Consolidating Concrete"]}]}],"canonical_facts":{"dc:contributor":["Leslie Struble"],"dc:creator":["Shen, Lin"],"dc:date":["2015-09-25T21:04:24Z","10000-01-01","2007"],"dc:description":["A numerical model based on rheology and mechanics analysis is developed to predict dynamic segregation. The calculated dynamic segregation agrees well with values obtained in the laboratory, using the flow trough, and in the field. It is found that smaller aggregate size, continuous aggregate gradation, lower aggregate density, and higher paste viscosity and yield stress reduce dynamic segregation. Among these factors, aggregate size, gradation, density, and paste rheology have bigger effects than aggregate volume and initial concrete flow velocity. A simple method is introduced to set the maximum flowing distance for SCC mixes based on the flow trough result and mix proportions.","Made available in DSpace on 2015-09-25T21:04:24Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3290373.pdf: 4020916 bytes, checksum: 7cf4370f9b463f26f918e618f3727d3e (MD5) Previous issue date: 2007","Embargo set by: Seth Robbins for item 84628 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","178 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007."],"dc:identifier":["http://hdl.handle.net/2142/83347","(MiAaPQ)AAI3290373"],"dc:language":["eng"],"dc:subject":["Engineering, Civil"],"dc:title":["Role of Aggregate Packing in Segregation Resistance and Flow Behavior of Self -Consolidating Concrete"],"dc:type":["text"],"thesis:degree_discipline":["Civil Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:21Z"}