{"id":{"repo_id":"unm","oai_identifier":"oai:digitalrepository.unm.edu:ce_etds-1047"},"canonical_url":"https://search.dev.ndltd.org/etd/unm/oai:digitalrepository.unm.edu:ce_etds-1047","repository":{"repo_id":"unm","name":"University of New Mexico","base_url":"https://digitalrepository.unm.edu/do/oai/"},"display":{"title":"Fracture toughness of ultra high performance concrete","abstract":"In this study, fracture properties of Ultra-High Performance Concrete (UHPC), and High Performance Concrete (HPC) are presented. The average compressive strengths of UHPC and HPC used in the tests were 141 MPa, and 55 MPa respectively. Formulation and processing of the mixes and test specimens are also presented. Size effect and the influence of compressive strength of concrete on fracture parameters were investigated using test methods recommended by ACI Committee 446. The fracture properties investigated included crack opening displacement (COD), fracture energy GF, fracture toughness KIC, and bilinear approximation of the softening curve, for two different sizes of UHPC and HPC.","abstract_html":"In this study, fracture properties of Ultra-High Performance Concrete (UHPC), and High Performance Concrete (HPC) are presented. The average compressive strengths of UHPC and HPC used in the tests were 141 MPa, and 55 MPa respectively. Formulation and processing of the mixes and test specimens are also presented. Size effect and the influence of compressive strength of concrete on fracture parameters were investigated using test methods recommended by ACI Committee 446. The fracture properties investigated included crack opening displacement (COD), fracture energy GF, fracture toughness KIC, and bilinear approximation of the softening curve, for two different sizes of UHPC and HPC.","abstract_has_math":false,"creators":["Honarvar Gheitanbaf, Ebadollah"],"institution":null,"degree_name":"Civil Engineering","degree_level":"Thesis","degree_discipline":"Civil Engineering","degree_department":null,"school":null,"contributors":["Maji, Arup","Taha, Mahmoud","Gerstle, Walter"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-08-30T07:00:00Z","date_published":"2011-08-30T07:00:00Z","updated_at":"2026-07-24T05:26:55Z","subjects":["High strength concrete--Fracture."],"languages":["English"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://digitalrepository.unm.edu/ce_etds/46"],"render_values":[{"text":"https://digitalrepository.unm.edu/ce_etds/46","href":"https://digitalrepository.unm.edu/ce_etds/46","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/1928/13094","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Maji, Arup","Taha, Mahmoud","Gerstle, Walter"]},{"key":"dc:creator","label":"Author","values":["Honarvar Gheitanbaf, Ebadollah"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_discipline","label":"Discipline","values":["Civil Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis","Masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Civil Engineering"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["High strength concrete--Fracture."]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/1928/13094","https://digitalrepository.unm.edu/ce_etds/46"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["In this study, fracture properties of Ultra-High Performance Concrete (UHPC), and High Performance Concrete (HPC) are presented. The average compressive strengths of UHPC and HPC used in the tests were 141 MPa, and 55 MPa respectively. Formulation and processing of the mixes and test specimens are also presented. Size effect and the influence of compressive strength of concrete on fracture parameters were investigated using test methods recommended by ACI Committee 446. The fracture properties investigated included crack opening displacement (COD), fracture energy GF, fracture toughness KIC, and bilinear approximation of the softening curve, for two different sizes of UHPC and HPC."]},{"key":"dc:title","label":"Title","values":["Fracture toughness of ultra high performance concrete"]}]}],"canonical_facts":{"dc:contributor":["Maji, Arup","Taha, Mahmoud","Gerstle, Walter"],"dc:creator":["Honarvar Gheitanbaf, Ebadollah"],"dc:description.abstract":["In this study, fracture properties of Ultra-High Performance Concrete (UHPC), and High Performance Concrete (HPC) are presented. The average compressive strengths of UHPC and HPC used in the tests were 141 MPa, and 55 MPa respectively. Formulation and processing of the mixes and test specimens are also presented. Size effect and the influence of compressive strength of concrete on fracture parameters were investigated using test methods recommended by ACI Committee 446. The fracture properties investigated included crack opening displacement (COD), fracture energy GF, fracture toughness KIC, and bilinear approximation of the softening curve, for two different sizes of UHPC and HPC."],"dc:identifier":["http://hdl.handle.net/1928/13094","https://digitalrepository.unm.edu/ce_etds/46"],"dc:language":["English"],"dc:subject":["High strength concrete--Fracture."],"dc:title":["Fracture toughness of ultra high performance concrete"],"thesis:degree_discipline":["Civil Engineering"],"thesis:degree_level":["Thesis","Masters"],"thesis:degree_name":["Civil Engineering"]},"updated_at":"2026-07-24T05:26:55Z"}