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Utilization of waste nylon wire in stone matrix asphalt mixtures
JiMing Yin1, Wen Wu1
1School of Civil Engineering, Yangzhou Polytechnic College, Yangzhou 225009, PR China.
Abstract:
A lot of waste nylon wires are produced during the production of brush wire products such as toothbrush, hairbrush, paintbrush, and so on. How to recycle and reuse waste nylon wire is a new problem This research presents a study of the behavior of waste nylon wire on Stone Matrix Asphalt (SMA) mixtures using Marshall design method. The specimens were tested using several common laboratory test procedures: Marshall stability test, rutting test, three-point flexural test and moisture susceptibility test. The related results indicate that waste nylon wire can effectively improve the high temperature stability, low temperature crack resistance and moisture susceptibility of SMA. Also, oil absorption, adhesion and the retarding effect of waste nylon wire on the crack propagation of asphalt mixture are attributed to the reinforcing mechanism. The research result can offer technical support for waste nylon wire used in road construction materials.
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