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Evaluation of a novel calibrated-mechanistic model to design against fracture under Swedish conditions
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Highway and Railway Engineering.
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Highway and Railway Engineering.ORCID iD: 0000-0003-0889-6078
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Highway and Railway Engineering.ORCID iD: 0000-0002-0596-228X
2012 (English)In: International Journal on Road Materials and Pavement Design, ISSN 1468-0629, E-ISSN 2164-7402, Vol. 13, no 1, 49-66 p.Article in journal (Refereed) Published
Abstract [en]

Sweden has initiated the development of a new calibrated-mechanistic pavement design procedure to replace the current mechanical-empirical pavement procedure entitled “PMS Objekt.” The first phase was focused on the implementation and calibration of the vi scoelastic fracture mechanics framework entitled “HMA Fracture Mechanics”, developed at the University of Florida. This paper outlines the implementation and calibration of a new pavement design module for Sweden that is based on the HMA fracture mechanics framework. Both the developed design module, as well as the reference model used for calibration (PMS Objekt) are presented in this paper. The results in thickness design after calibration of the design module indicate that the framework is clearly applicable for common Swedish conditions and design standards.

Place, publisher, year, edition, pages
2012. Vol. 13, no 1, 49-66 p.
Keyword [en]
top-down cracking, Florida cracking model, IDT, PMS Objekt, machanistic pavement design
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-33800DOI: 10.1080/14680629.2011.651838ISI: 000305177400005Scopus ID: 2-s2.0-84863609638OAI: oai:DiVA.org:kth-33800DiVA: diva2:417839
Note
QC 20120705Available from: 2011-05-18 Created: 2011-05-18 Last updated: 2017-12-11Bibliographically approved
In thesis
1. Implementation and evaluation of an HMA fracture mechanics based design module
Open this publication in new window or tab >>Implementation and evaluation of an HMA fracture mechanics based design module
2011 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

A thickness design module for flexible pavements, based on the HMA fracture mechanics framework, has been developed in order to design against premature failure caused by cracking. The HMA fracture mechanics based design module has been evaluated by designing typical Swedish pavements under typical Swedish climate and loading conditions and comparing the results with a reference design framework. The integrated set of material models predicting the necessary material strength- and creep compliance parameters for crack resistance evaluation within this framework has been evaluated against a number of field cores tested.

Results show that the design module developed is able to accurately predict cracking in Swedish flexible pavements, indicating that the principles behind the design procedure are fundamental and that the material models used are able to make qualitative predictions of the individual material properties used to estimates a mixtures’ resistance to cracking.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2011. v, 62 p.
Series
Research report. Avd. för vägteknik, Kungl. Tekniska högskolan, 2011:07
National Category
Civil Engineering
Identifiers
urn:nbn:se:kth:diva-33748 (URN)978-91-7501-010-6 (ISBN)
Presentation
2011-05-20, B 25, KTH, Brinellvägen 23, Stockholm, 10:00 (English)
Opponent
Supervisors
Note

QC 20110518

Available from: 2011-05-18 Created: 2011-05-16 Last updated: 2014-01-22Bibliographically approved

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Birgisson, BjörnJelagin, Denis

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