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Study on the Anti-slide and Low-noise Tunnel Asphalt Pavement

Author: LiuKun
Tutor: WangXuanCang
School: Chang'an University
Course: Road and Railway Engineering
Keywords: Crossing the road OGFC pavement Mix Design Method Pavement skid Road Noise Construction Technology
CLC: U416.217
Type: Master's thesis
Year: 2009
Downloads: 197
Quote: 1
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Abstract


Asphalt concrete pavement with flatness, driving comfort , wear and short construction period , etc., at home and abroad have been widely used in highway construction , but in the construction of tunnels conventional asphalt concrete pavement is no good solution to skid and fall inside the tunnel noise problems, therefore , in the tunnel and how to improve the skid noise performance has become a serious problem . In this thesis, the tunnel has a low noise characteristics skid OGFC mix asphalt concrete pavement design method, sliding noise performance and construction technology . In -depth analysis of the tunnel and the tunnel special working environment with sliding mechanism based on the noise performance , combined with high-speed scene Zhang Shi proposed road tunnel OGFC mix design method . And were used to rutting , pendulum tester with sanding France and indoor tire whereabouts method OGFC other pavement texture depth attenuation of the coefficient of friction and noise attenuation law variation of other analysis . The results show that , compared to conventional asphalt concrete pavement , with low noise performance skid OGFC asphalt pavement skid resistance and has excellent noise performance , the friction coefficient increases about 50%, reduce the level of the noise source fixed 6 ~ 7dB, mobile reduce the level of the noise source 4 ~ 5dB. Same paper also against slippery asphalt low noise OGFC mechanized tunnel construction process was studied .

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CLC: > Transportation > Road transport > Road works > Roadbed, pavement engineering > Pavement Engineering > Road : use of the material points > Asphalt Pavement
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