eprintid: 20454
rev_number: 14
userid: 2915
dir: disk0/00/02/04/54
datestamp: 2014-06-16 19:06:28
lastmod: 2016-11-15 14:17:13
status_changed: 2014-06-16 19:06:28
type: thesis_degree
metadata_visibility: show
contact_email: barmanmanik@gmail.com
item_issues_id: similar_title_20441
item_issues_type: similar_title
item_issues_description: Similar title to Barman, Manik JOINT PERFORMANCE CHARACTERIZATION OF BONDED WHITETOPPING OVERLAYS. Doctoral Dissertation, University of Pittsburgh.
item_issues_timestamp: 2014-01-29 07:21:38
item_issues_status: autoresolved
item_issues_count: 0
eprint_status: archive
creators_name: BARMAN, MANIK
creators_email: barmanmanik@gmail.com
title: Joint Performance Characterization of Bonded Whitetopping Overlays
ispublished: unpub
divisions: sch_eng_civilenvironmental
full_text_status: public
keywords: Bonded concrete overlay, whitetopping, load transfer, LTE, Dissipated energy, Fatigue, Inter layer bonding, Joint performance, BALT, SALT
note: Please check this version.Thanks
abstract: Poor joint performance in whitetopping overlays increases the magnitude of the interlayer debonding stress and load related stress, which can result in corner and longitudinal cracks. However, currently available whitetopping design procedures do not account for the joint performance. Fiber reinforced concrete (FRC) is commonly used in constructing these overlays but the contribution of the fiber to load transfer has never been quantified either.
Under the scope of this dissertation, a new, economical, small-scale joint performance characterization procedure (BALT) was developed. The results from the BALT procedure were validated by comparing them to the results from large scale joint performance tests (SALT). The joint performances of one plain concrete (PC) and two FRC mixtures were characterized with respect to mixture type, crack width and number of load cycles. Load transfer efficiency (LTE) and dissipated energy ratio (DER) prediction models were developed for all the mixtures. It was found that FRC provides a 15 to 25 percent higher joint performance as compared to PC. The fiber plays a larger role in load transfer when the joint is fatigued. Interestingly fibers do not fatigue even after 10 million load cycles. Using finite element analysis, a relationship was developed for determining the joint stiffness (AGG*) for whitetopping overlay. It was found that the load-related stress can be reduced by 6 percent with application of FRC while the interface debonding stress can be reduced by 50 to 72 percent.
date: 2014-06-16
date_type: published
pages: 390
institution: University of Pittsburgh
refereed: TRUE
etdcommittee_type: committee_chair
etdcommittee_type: committee_member
etdcommittee_type: committee_member
etdcommittee_type: committee_member
etdcommittee_name: Vandenbossche, Julie, M.
etdcommittee_name: Janssen, Donald, J.
etdcommittee_name: Brigham, John
etdcommittee_name: Vallejo, Luis, E.
etdcommittee_email: jmv7@pitt.edu
etdcommittee_email: dnjan@msn.com
etdcommittee_email: brigham@pitt.edu
etdcommittee_email: vallejo@pitt.edu
etdcommittee_id: JMV7
etdcommittee_id:
etdcommittee_id: BRIGHAM
etdcommittee_id: VALLEJO
etd_defense_date: 2013-11-08
etd_approval_date: 2014-06-16
etd_submission_date: 2014-01-28
etd_release_date: 2014-06-16
etd_access_restriction: immediate
etd_patent_pending: FALSE
thesis_type: dissertation
degree: PhD
citation: BARMAN, MANIK (2014) Joint Performance Characterization of Bonded Whitetopping Overlays. Doctoral Dissertation, University of Pittsburgh. (Unpublished)
document_url: http://d-scholarship-dev.library.pitt.edu/20454/1/BARMAN_ETD_2014.pdf