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STUDIES CONCERNING THE USE OF ASPHALT RUBBER IN PORTUGAL


In the frame of the co-operation between the Portuguese National Laboratory of Civil Engineering (LNEC) and the Road Administration (IEP), some of the pavement construction and rehabilitation works concerning the use of asphalt rubber in Portugal have been monitored by LNEC. In parallel with the support given to the Road Administration a research project was initiated, with the following objectives: a) characterisation of the rubber modified binder and its manufacturing process; b) characterisation of the asphalt rubber mixture; c) study of the long term performance of pavements where this type of material has been used. After summarising the first results obtained in previous studies performed in the frame of the research project, this paper presents some of the results recently achieved, concerning the influence of storage on the properties of the modified binder and its implications to the quality control checks of the modified binder and the influence of the rubber content in the performance of the binder and of the bituminous mixture. It also presents some results concerning the surface properties of open texture wearing courses using asphalt rubber.......

【作者名称】: Ma de Lurdes Antunes, Pedro Domingos, Ma Isabel Eusebio, Margarida Sa da Costa
【作者单位】: Laboratorio Nacional de Engenharia Civil Av. do Brasil, 101 1700-066 Lisboa PORTUGAL
【关 键 词】: asphalt, bitumen, rubber, pavement rehabilitation, fatigue, rutting
【会议名称】: Asphalt Rubber Conference; 200312; Brasilia(BR)
【期刊论文数据库】: [DBS_Articles_01]
【期刊论文编号】: 101,684,964
【摘要长度】: 1,173
【会议地点】: Brasilia(BR)
【会议组织】: Laboratorio Nacional de Engenharia Civil Av. do Brasil, 101 1700-066 Lisboa PORTUGAL
【会议时间】: 2003
【上篇论文】: 外文会议 - ON TIME ACCURATE KINEMATIC BOUNDARY CONDITION IN SURFACE TRACKING CONTEXT
【下篇论文】: 外文会议 - Improvement of electric vehicle's cornering performance by dircet yas moment contorl

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