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Comparison of FHWA, RLS90 and MOT Model forHighway Traffic Noise Prediction
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[1]CAO Lina,SHANG Yong,LU Linguo.Comparison of FHWA, RLS90 and MOT Model forHighway Traffic Noise Prediction[J].Journal of Zhengzhou University (Engineering Science),2014,35(03):107-112.[doi:10.3969/j.issn.1671 -6833.2014.03.026]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 35卷 Number of periods: 2014 03 Page number: 107-112 Column: Public date: 2014-06-30
Title:
Comparison of FHWA, RLS90 and MOT Model forHighway Traffic Noise Prediction
Author(s):
CAO Lina; SHANG Yong; LU Linguo
1.School of Civil Engineering, Shandong Jiaotong University, Jinan 250023, China; 2. School of Environmental Seience andEngineering, Chang’an University, Xi’an 710064, China; 3. Shandong Communications Seienee Research Institute, jinan250031.China
Keywords:
road asphalt; aging perormanee ; rolling thin film oven ; aging conditions; indoor simulation
CLC:
X827U491
DOI:
10.3969/j.issn.1671 -6833.2014.03.026
Abstract:
Anti-aging performanee of asphalt material is a key factor affecting the durability of asphalt pave.ment, simulating the aging test in laboratory is an important way to study the performanee of asphalt aging. lnorder to simulate the asphalt aging, rolling thin film oven testing, penetration testing, softening point test anddynamie shear rheometer test had been done and the test data is analyzed to diseuss how dillerent aging condilions affeet the performanee of asphalt and asphalt aging mechanism. The results show that the extension of thaging time, the improvement of asphalt aging temperature makes losses inerease, soltening point and penetration deerease, asphalt mixture fatigue resistance decline ; ageing time and temperature changes can dramatically change mobility of asphalt; when we inerease the shear rate, the rheologieal properlies of asphalt index deereased.
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