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原文传递 Innovative Practice on Temperatures with Rutting of Applying Accelerated Pavement Testing by Mobile Load Simulator(MLS)

题名：	Innovative Practice on Temperatures with Rutting of Applying Accelerated Pavement Testing by Mobile Load Simulator(MLS)
正文语种：	中文
作者：	Yuchen Wang Jan Grundling Lizl Steynberg Chuanyi Zhuang
作者单位：	South frica- hina Transport o-operation enter(S T ),Pretoria, South frica Faculty of Management Sciences, Tshwane University of Technology,Pretoria, South frica
关键词：	Accelerated Pavement Testing(APT) Wheel trafficking load Temperature Rutting Mobile Load Simulator(MLS)
摘要：	This paper describes the pavement test on trafficking and coring at field on the R80 in Gauteng Province in details.The model Mobile Load Simulator(MLS) was applied on trial hot mix asphalt.The total loading cycles were upto 450,000 applications by accelerated pavement testing(APT) machine.The rutting profiles were measured and analyzed under different temperatures and cycle wheel loading.The load speed was fixed at 2,400 applications per hour for this whole test.The results show in this paper that the final rutting shapes were quite flat because of the large number of load applications close to a half million; The substructure of the pavement at this sector was solid enough to transfer the top rutting down; The temperature chamber kept the constant warm air for pavement surface as maximum 70C which reflected the conditions of Asphalt materials beyond the softening point of the binder; The lower speed than normal vehicles may produce deeper rut and the property of materials were coupled with fatigue loading.
会议日期：	20130417
会议举办地点：	北京
会议名称：	第六届中国公路科技创新高层论坛
出版日期：	2013-04-17
母体文献：	第六届中国公路科技创新高层论坛论文集