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Research on the Performance of Asphalt Concrete Structure with Anchor-head Silk
Author: WangLi
Tutor: XiaYongXu
School: Chang'an University
Course: Geotechnical Engineering
Keywords: Asphalt Concrete Crack Anchor head wire Comparative tests of mechanical properties Numerical Simulation
CLC: U416.2
Type: Master's thesis
Year: 2009
Downloads: 33
Quote: 0
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Abstract
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Our highway asphalt concrete pavement structure , and cracks in asphalt concrete pavement widespread disease , the the rainwater infiltration will cause other more serious diseases of the road to the gradual loss of carrying capacity , and shorten the service life of the pavement , and how eliminate the cracks in the pavement at home and abroad have been exploring . This paper analyzes the asphalt pavement cracks Gabe anchor head wire to prevent pavement cracking new ideas in the layer of asphalt concrete pavement structure , the principle is to use wire asphalt concrete pavement material different coefficient of expansion and contraction of the wire to the road structure contractile force is applied at the anchor head cracks decomposition and inhibit the generation of cracks in the road . Concluded that the mechanical properties comparison test : Gabe anchor head silk asphalt concrete trabecular tensile strength , flexural strength and fatigue life are significantly improved compared with ordinary asphalt concrete trabecular . At the same time through the ANSYS numerical simulation calculation to be verified on the ideas presented in this article , the optimization of asphalt concrete pavement and anchor head wire designed to provide theoretical guidance . Indoor experimental data and numerical simulation results given by the paper has important reference value for future the anchor head wire asphalt concrete pavement design and construction method selection .
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CLC: > Transportation > Road transport > Road works > Roadbed, pavement engineering > Pavement Engineering
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