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Mixed-Mode Fracture Characteristics of Cold Recycling Mixes with Emulsified Asphalt
In order to study the Mixed-Mode cracking behavior of cold recycling mixes with emulsified asphalt, the Arcan test configuration was chosen to perform the fracture characteristics of cold recycling mixes in five levels of Mixed-Mode (100, 75, 50, 25 and 0% Mode I) at three loading rates (1.0 mm/min, 0.5 mm/min, 0.1 mm/min). The load and load-line displacement, peak load, crack angle and fracture energy were all used for further analysis. The process of cracking can be divided into three stages: the stage of crack arises, expand stage, and the brittle break stage; 0% Mode I has a significant difference from the others; the loading rates and levels of Mixed-Mode both have great influence on peak load; the higher level of Mode I usually gets lower crack angle; the fracture energy of 100% Mode I ranges from 168 J/m2 to 308 J/m2 and the specimen in 0.5 mm/min has greater fracture energy.
Mixed-Mode Fracture Characteristics of Cold Recycling Mixes with Emulsified Asphalt
In order to study the Mixed-Mode cracking behavior of cold recycling mixes with emulsified asphalt, the Arcan test configuration was chosen to perform the fracture characteristics of cold recycling mixes in five levels of Mixed-Mode (100, 75, 50, 25 and 0% Mode I) at three loading rates (1.0 mm/min, 0.5 mm/min, 0.1 mm/min). The load and load-line displacement, peak load, crack angle and fracture energy were all used for further analysis. The process of cracking can be divided into three stages: the stage of crack arises, expand stage, and the brittle break stage; 0% Mode I has a significant difference from the others; the loading rates and levels of Mixed-Mode both have great influence on peak load; the higher level of Mode I usually gets lower crack angle; the fracture energy of 100% Mode I ranges from 168 J/m2 to 308 J/m2 and the specimen in 0.5 mm/min has greater fracture energy.
Mixed-Mode Fracture Characteristics of Cold Recycling Mixes with Emulsified Asphalt
Gao, Lei (author) / Ni, Fu-Jian (author) / Yang, Mei-Kun (author)
2012
6 Seiten
Conference paper
English
Mixed-Mode Fracture Characteristics of Cold Recycling Mixes with Emulsified Asphalt
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