The Stress Relaxation of Modified Bitumens

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

The Stress Relaxation of Modified Bitumens

Popis výsledku v původním jazyce

The Asphalt pavements in Central and Eastern Europe have to be resistant to high and very low temperatures and climatic changes. Especially emphasize influence of low temperatures seems to be critical parameter. That is why the modified bitumens with lowtemperature susceptibility and with high resistance to low temperature cracking are searched for. Resistance of bituminous mixtures to low temperature cracking can be evaluated by Thermal Stress Restrained Specimen Test (TSRST). Dynamic Shear Rheometer(DSR) can be used as a quick method that can evaluate the modification system of bituminous binders. The advantage of DSR testing is also related to possibility of comparison of unaged and aged bitumen. The relaxations of shear stress of several asphaltrubber binders were determined in DSR at the temperature of 0 Celsius and -10 Celsius that were chosen based on the results of TSRST. The measurement procedure is described and shear stress relaxation behaviour of unaged bitumens and bitu

Název v anglickém jazyce

The Stress Relaxation of Modified Bitumens

Popis výsledku anglicky

The Asphalt pavements in Central and Eastern Europe have to be resistant to high and very low temperatures and climatic changes. Especially emphasize influence of low temperatures seems to be critical parameter. That is why the modified bitumens with lowtemperature susceptibility and with high resistance to low temperature cracking are searched for. Resistance of bituminous mixtures to low temperature cracking can be evaluated by Thermal Stress Restrained Specimen Test (TSRST). Dynamic Shear Rheometer(DSR) can be used as a quick method that can evaluate the modification system of bituminous binders. The advantage of DSR testing is also related to possibility of comparison of unaged and aged bitumen. The relaxations of shear stress of several asphaltrubber binders were determined in DSR at the temperature of 0 Celsius and -10 Celsius that were chosen based on the results of TSRST. The measurement procedure is described and shear stress relaxation behaviour of unaged bitumens and bitu

Druh

D - Stať ve sborníku

CEP obor

JN - Stavebnictví

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceeding of The 13th Annual International Conference on ASPHALT, PAVEMENT ENGINEERING AND INFRASTRUCTURE

ISBN

978-0-9571804-4-4

ISSN

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e-ISSN

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Počet stran výsledku

14

Strana od-do

1-14

Název nakladatele

Liverpool Centre for Materials Technology

Místo vydání

Liverpool

Místo konání akce

Liverpool

Datum konání akce

26. 2. 2014

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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