Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Development of double edge notched tension (DENT) test for asphalt binders
This paper presents the experimental details of performing double edge notched tension (DENT) fracture tests on asphalt binders. The testing is performed using an existing direct tension (DT) test device and modificed molds for preparing the test specimens. The fracture toughness values obtained from DENT tests perfomed on nine different asphalt binders are in the reasonable agreement with the values published by other researchers. Further evaluation of the DENT and DT test results indicate that both produce similar trends in terms of failure strains. The Klc DENT results, however, have better repeatability compared to the DT results. The use of DENT test results to determine the critical cracking temperature in M 320-05 (former MP 1a) AASHTO specification is discussed.
Development of double edge notched tension (DENT) test for asphalt binders
This paper presents the experimental details of performing double edge notched tension (DENT) fracture tests on asphalt binders. The testing is performed using an existing direct tension (DT) test device and modificed molds for preparing the test specimens. The fracture toughness values obtained from DENT tests perfomed on nine different asphalt binders are in the reasonable agreement with the values published by other researchers. Further evaluation of the DENT and DT test results indicate that both produce similar trends in terms of failure strains. The Klc DENT results, however, have better repeatability compared to the DT results. The use of DENT test results to determine the critical cracking temperature in M 320-05 (former MP 1a) AASHTO specification is discussed.
Development of double edge notched tension (DENT) test for asphalt binders
Entwicklung der Doppelkerben-Spannungsprüfung für Asphaltbindemittel
Zofka, Adam (Autor:in) / Marasteanu, Mihai (Autor:in)
Journal of Testing and Evaluation ; 35 ; 259-265
2007
7 Seiten, 15 Bilder, 3 Tabellen, 14 Quellen
Aufsatz (Zeitschrift)
Englisch
Development of Double Edge Notched Tension (DENT) Test for Asphalt Binders
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