Analysis of AC-13 Asphalt Mixture Permanent Deformation in Triaxial Repeated Load Test

doi:10.3969/j.issn.1674-0696.2012.01.15

Journal of Chongqing Jiaotong University(Natural Science) ›› 2012, Vol. 31 ›› Issue (1): 54-58.DOI: 10.3969/j.issn.1674-0696.2012.01.15

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Analysis of AC-13 Asphalt Mixture Permanent Deformation in Triaxial Repeated Load Test

Li Jinfeng¹, Liang Naixing¹, Wang Xinyang¹, Lin Yuan²

1.School of Civil Engineering & Architecture, Chongqing Jiaotong University, Chongqing 400074, China;2.Hubei Provincial Road & Bridge Co.,Ltd, Wuhan 430000, Hubei, China

Received:2011-07-23 Revised:2011-09-24 Online:2012-02-15 Published:2015-04-15

三轴重复荷载作用下AC-13沥青混合料永久变形试验分析

李金凤¹，梁乃兴¹，王鑫洋¹，林源²

1.重庆交通大学土木建筑学院，重庆 400074；2.湖北省路桥集团有限公司，湖北武汉 430000

作者简介:李金凤(1986-)，女，山东德州人，硕士研究生，主要从事路基路面结构及材料方面的研究。E-mail: 511417058@qq.com。
基金资助:
云南科技计划项目（2009AC009）

Abstract

Abstract: The half sine wave of intermittent load was applied to triaxial repeated load test on AC-13 asphalt mixture by using MTS (Material Test System). The influence of the test temperature and stress level on the asphalt mixture permanent deformation characteristics was studied to obtain the permanent deformation law of AC-13 asphalt mixture at different temperatures and under different stress level. Based on the nonlinear regression analysis of the relation of permanent strain, load effect times, stress and temperature, the model which can fully reflect the asphalt mixture permanent deformation characteristics was proposed. The 3d graphics at different temperature were drawn to show the deformation features of asphalt mixture.

Key words: road engineering, asphalt mixture, triaxial repeated load test, permanent deformation, prediction model

摘要： 采用半正弦波间歇荷载，使用MTS(Material Test Systerm)材料试验机对AC-13沥青混合料进行三轴重复荷载蠕变试验，研究试验温度和应力水平对沥青混合料永久变形特性的影响，得到了AC-13沥青混合料在不同温度和不同应力水平下的永久变形规律，对永久应变与荷载作用次数、应力水平和温度的关系进行非线性回归分析，提出来能够全面反映沥青混合料永久变形特性的模型，并绘制了不同温度下的三维图形，直观全面地反映沥青混合料变形的特性。

关键词: 道路工程, 沥青混合料, 三轴重复荷载试验, 永久变形, 预估模型

CLC Number:

U412.2

Li Jinfeng, Liang Naixing, Wang Xinyang, Lin Yuan. Analysis of AC-13 Asphalt Mixture Permanent Deformation in Triaxial Repeated Load Test[J]. Journal of Chongqing Jiaotong University(Natural Science), 2012, 31(1): 54-58.

李金凤，梁乃兴，王鑫洋，林源. 三轴重复荷载作用下AC-13沥青混合料永久变形试验分析[J]. 重庆交通大学学报（自然科学版）, 2012, 31(1): 54-58.

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Analysis of AC-13 Asphalt Mixture Permanent Deformation in Triaxial Repeated Load Test

三轴重复荷载作用下AC-13沥青混合料永久变形试验分析

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