Evaluation of plant-produced porous warm-mix asphalt mixture using LEADCAP additive 被引量：1

Evaluation of plant-produced porous warm-mix asphalt mixture using LEADCAP additive

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摘要 Warm-mix asphalt(WMA) technology was applied for asphalt mixture,plant-produced porous WMA using LEADCAP additive(porous WMA-LEADCAP) test section was built and compacted at 30℃ lower than porous hot-mix asphalt(porous HMA) test section.Marshall mix designs were conducted for porous WMA-LEADCAP mixture and porous HMA mixture in terms of Marshall stability,Cantabro loss and dynamic stability.The workability,compactablity and surface quality of porous WMA-LEADCAP pavement were investigated,and the engineering properties of plant-produced porous WMA-LEADCAP mixture and plant-produced porous HMA mixture were evaluated based on indirect tensile strength test and dynamic immersion test.Analysis result shows that LEADCAP additive does not affect polymermodified asphalt in terms of penetration,softening point,viscosity,ductility,toughness and tenacity.Porous WMA-LEADCAP pavement has similar field density,permeability and smoothness compared with standard porous HMA pavement.Plant-produced porous WMA-LEADCAP mixture is equivalent to plantproduced porous HMA mixture in indirect tensile strength,toughness and stripping resistance.4tabs,4figs,9refs. Warm-mix asphalt（WMA） technology was applied for asphalt mixture,plant-produced porous WMA using LEADCAP additive（porous WMA-LEADCAP） test section was built and compacted at 30℃ lower than porous hot-mix asphalt（porous HMA） test section.Marshall mix designs were conducted for porous WMA-LEADCAP mixture and porous HMA mixture in terms of Marshall stability,Cantabro loss and dynamic stability.The workability,compactablity and surface quality of porous WMA-LEADCAP pavement were investigated,and the engineering properties of plant-produced porous WMA-LEADCAP mixture and plant-produced porous HMA mixture were evaluated based on indirect tensile strength test and dynamic immersion test.Analysis result shows that LEADCAP additive does not affect polymermodified asphalt in terms of penetration,softening point,viscosity,ductility,toughness and tenacity.Porous WMA-LEADCAP pavement has similar field density,permeability and smoothness compared with standard porous HMA pavement.Plant-produced porous WMA-LEADCAP mixture is equivalent to plantproduced porous HMA mixture in indirect tensile strength,toughness and stripping resistance.4tabs,4figs,9refs.

作者 KIM Yongjoo CHO Dongwoo YANG Sunglin KIM Yeongmin KWON Sooahn HWANG Sungdo

机构地区 Korea Institute of Construction Technology

出处《交通运输工程学报》 EI CSCD 北大核心 2013年第3期9-14,共6页 Journal of Traffic and Transportation Engineering

基金 Strategic Research Project (Development of Low-Carbon and Low-Cost Asphalt Pavements)Funded by Korea Institute of Construction Technology

关键词交通运输公路运输桥梁工程工程设计 porous asphalt pavement warm-mix asphalt plant-produced type indirect tensile strength stripping resistance

分类号 U414.75 [交通运输工程—道路与铁道工程]

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