{"id":{"repo_id":"unm","oai_identifier":"oai:digitalrepository.unm.edu:ce_etds-1038"},"canonical_url":"https://search.dev.ndltd.org/etd/unm/oai:digitalrepository.unm.edu:ce_etds-1038","repository":{"repo_id":"unm","name":"University of New Mexico","base_url":"https://digitalrepository.unm.edu/do/oai/"},"display":{"title":"Laboratory evaluation of cracking in asphalt concrete","abstract":"Cracking is one of the major distresses in asphalt concrete leading to high maintenance and rehabilitation costs throughout the nations pavement infrastructure. Asphalt concrete is a three phase, heterogeneous composite consisting of aggregate, mastic, and air voids. Crack initiation, crack path and propagation are not well understood in asphalt concrete. This thesis work presents testing and analysis of cracking in semi-circular notched asphalt concrete samples in three point bending. Load and crack width data at different locations of the sample were captured in real time using Linear Variable Differential Transformers (LVDTs). Crack initiation, path, and velocity are examined with varying notch tip location, mixture type, void content, and moisture conditioning. Crack path is further examined by means of laboratory testing on the mastic and interface phases of asphalt concrete.'","abstract_html":"Cracking is one of the major distresses in asphalt concrete leading to high maintenance and rehabilitation costs throughout the nations pavement infrastructure. Asphalt concrete is a three phase, heterogeneous composite consisting of aggregate, mastic, and air voids. Crack initiation, crack path and propagation are not well understood in asphalt concrete. This thesis work presents testing and analysis of cracking in semi-circular notched asphalt concrete samples in three point bending. Load and crack width data at different locations of the sample were captured in real time using Linear Variable Differential Transformers (LVDTs). Crack initiation, path, and velocity are examined with varying notch tip location, mixture type, void content, and moisture conditioning. Crack path is further examined by means of laboratory testing on the mastic and interface phases of asphalt concrete.'","abstract_has_math":false,"creators":["Kias, Evan Michael Casey"],"institution":null,"degree_name":"Civil Engineering","degree_level":"Thesis","degree_discipline":"Civil Engineering","degree_department":null,"school":null,"contributors":["Tarefder, Rafiqul","Stormont, John","Ng, Percy"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2009,"date_issued":"2009-01-29T08:00:00Z","date_published":"2009-01-29T08:00:00Z","updated_at":"2026-07-24T05:26:55Z","subjects":["Asphalt concrete--Cracking","Asphalt concrete pavements--Cracking."],"languages":["English"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://digitalrepository.unm.edu/ce_etds/37"],"render_values":[{"text":"https://digitalrepository.unm.edu/ce_etds/37","href":"https://digitalrepository.unm.edu/ce_etds/37","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/1928/7644","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Tarefder, Rafiqul","Stormont, John","Ng, Percy"]},{"key":"dc:creator","label":"Author","values":["Kias, Evan Michael Casey"]}]},{"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":["Asphalt concrete--Cracking","Asphalt concrete pavements--Cracking."]}]},{"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/1928/7644","https://digitalrepository.unm.edu/ce_etds/37"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Cracking is one of the major distresses in asphalt concrete leading to high maintenance and rehabilitation costs throughout the nations pavement infrastructure. Asphalt concrete is a three phase, heterogeneous composite consisting of aggregate, mastic, and air voids. Crack initiation, crack path and propagation are not well understood in asphalt concrete. This thesis work presents testing and analysis of cracking in semi-circular notched asphalt concrete samples in three point bending. Load and crack width data at different locations of the sample were captured in real time using Linear Variable Differential Transformers (LVDTs). Crack initiation, path, and velocity are examined with varying notch tip location, mixture type, void content, and moisture conditioning. Crack path is further examined by means of laboratory testing on the mastic and interface phases of asphalt concrete.'"]},{"key":"dc:title","label":"Title","values":["Laboratory evaluation of cracking in asphalt concrete"]}]}],"canonical_facts":{"dc:contributor":["Tarefder, Rafiqul","Stormont, John","Ng, Percy"],"dc:creator":["Kias, Evan Michael Casey"],"dc:description.abstract":["Cracking is one of the major distresses in asphalt concrete leading to high maintenance and rehabilitation costs throughout the nations pavement infrastructure. Asphalt concrete is a three phase, heterogeneous composite consisting of aggregate, mastic, and air voids. Crack initiation, crack path and propagation are not well understood in asphalt concrete. This thesis work presents testing and analysis of cracking in semi-circular notched asphalt concrete samples in three point bending. Load and crack width data at different locations of the sample were captured in real time using Linear Variable Differential Transformers (LVDTs). Crack initiation, path, and velocity are examined with varying notch tip location, mixture type, void content, and moisture conditioning. Crack path is further examined by means of laboratory testing on the mastic and interface phases of asphalt concrete.'"],"dc:identifier":["http://hdl.handle.net/1928/7644","https://digitalrepository.unm.edu/ce_etds/37"],"dc:language":["English"],"dc:subject":["Asphalt concrete--Cracking","Asphalt concrete pavements--Cracking."],"dc:title":["Laboratory evaluation of cracking in asphalt concrete"],"thesis:degree_discipline":["Civil Engineering"],"thesis:degree_level":["Thesis","Masters"],"thesis:degree_name":["Civil Engineering"]},"updated_at":"2026-07-24T05:26:55Z"}