[1] Wang Haopeng, Yang Jun, Zhou Wenzhang, Chen Xianhua, et al. Assessing dynamic modulus propertiesfor typical asphalt mixtures in Jiangsu [J]. Journal of Southeast University (English Edition), 2016, 32 (1): 99-105. [doi:10.3969/j.issn.1003-7985.2016.01.017]

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Assessing dynamic modulus propertiesfor typical asphalt mixtures in Jiangsu()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

32

Issue:

2016 1

Page:

99-105

Research Field:

Traffic and Transportation Engineering

Publishing date:

2016-03-20

Info

Title:

Assessing dynamic modulus propertiesfor typical asphalt mixtures in Jiangsu

Author(s):

Wang Haopeng;  Yang Jun;  Zhou Wenzhang;  Chen Xianhua

School of Transportation, Southeast University, Nanjing 210096, China

Keywords:

dynamic modulus;  prediction models;  asphalt pavement;  Witczak 1-37A;  Witczak 1-40D;  mechanistic empirical pavement design guide

PACS:

U414

DOI:

10.3969/j.issn.1003-7985.2016.01.017

Abstract:

To investigate the validity of two dynamic modulus predictive models(Witczak 1-37A viscosity-based model and Witczak 1-40D shear modulus-based model)in the context of Jiangsu, and evaluate the effect of different mixture design variables(aggregate gradations, binder type, and volumetric properties)on dynamic modulus E^*, asphalt mixtures commonly used in the local surface layer, including Sup-13 and AC-13, are prepared in the laboratory and their dynamic modulus E^* values are predicted based on the above mentioned models. The corresponding asphalt tests, including viscosity and dynamic shear modulus tests, are also carried out to obtain the prediction model parameters. The test results show that binder type and asphalt content have a significant impact on dynamic modulus. There is a good correlation between the E^* values based on above two predictive models and the measured E^*, while a relatively lower bias can be expected from Witczak 1-37A model. The test results can be used for the calibration of dynamic modulus with higher accuracy.

References:

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Memo

Memo:

Biographies: Wang Haopeng(1991—), male, graduate; Yang Jun(corresponding author), female, doctor, professor, yangjun@seu.edu.cn.
Foundation item: The Specialized Research Fund for the Doctoral Program of Higher Education of China(No.20120092110053).
Citation: Wang Haopeng, Yang Jun, Zhou Wenzhang, et al. Assessing dynamic modulus properties for typical asphalt mixtures in Jiangsu[J].Journal of Southeast University(English Edition), 2016, 32(1):99-105. DOI:10.3969/j.issn.1003-7985.2016.01.017.

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