Fracture testing for the evaluation of asphalt pavement joints

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Fältnamn	Indikatorer	Metadata
000		03196naa a2200409 4500
001		oai:DiVA.org:kth-134179
003		SwePub
008		131118s2013 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1341792 URI
024	7	a https://doi.org/10.1080/14680629.2013.8129792 DOI
040		a (SwePub)kth
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Ghafoori Roozbahany, Ehsan,d 1982-u KTH,Väg- och banteknik4 aut0 (Swepub:kth)u1txxpbs
245	1 0	a Fracture testing for the evaluation of asphalt pavement joints
264	1	b Informa UK Limited,c 2013
338		a print2 rdacarrier
500		a QC 20140122
520		a Asphalt joints are inevitable parts of every pavement. Although much attention is dedicated to the construction of such joints, reliable tools for assessing the mechanical properties of joints for design and performance assessment are still scarce. This is particularly true for cold joints when attaching a new hot pavement to a cold existing pavement as in the case of large patches for pavement repair. This paper intends to evaluate different new or modified static fracture testing methods for ranking existing joint construction techniques. Some of these testing methods, such as indirect tensile test, direct tensile test and 4-point bending test are familiar in the field of asphalt pavement characterisation, but have scarcely been used for assessing the quality of joints so far. These three test types were adopted and evaluated for joints and the test results were analysed with finite element (FE) software ABAQUS. Different joints for testing were prepared in the laboratory using a special specimen construction procedure. The results suggest that joints with inclined interfaces seem to show more promising behaviour than vertical joints. It was confirmed that starting compaction from the hot side of the joint generally produces better results than compaction starting from the cold side of the joint. Pre-heating of the joint surface and using a bond sealant appears to provide the best results.
650	7	a TEKNIK OCH TEKNOLOGIERx Samhällsbyggnadsteknikx Infrastrukturteknik0 (SwePub)201042 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Civil Engineeringx Infrastructure Engineering0 (SwePub)201042 hsv//eng
653		a cold asphalt pavement joints
653		a asphalt joint laboratory production
653		a IDT joint evaluation
653		a DTT joint evaluation
653		a 4PB joint evaluation
653		a joints FE analysis
653		a SRA - Transport
653		a SRA - Transport
700	1	a Partl, Manfredu KTH,Väg- och banteknik4 aut0 (Swepub:kth)u1t8ihgf
700	1	a Witkiewicz, Patryk Jakubu KTH,Väg- och banteknik4 aut0 (Swepub:kth)u1w7m6bz
710	2	a KTHb Väg- och banteknik4 org
773	0	t International Journal on Road Materials and Pavement Designd : Informa UK Limitedg 14:4, s. 764-791q 14:4<764-791x 1468-0629x 2164-7402
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-134179
856	4 8	u https://doi.org/10.1080/14680629.2013.812979

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Av författaren/redakt...: Ghafoori Roozbah ...; Partl, Manfred; Witkiewicz, Patr ...

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