# [1]陈静云,周长红,王哲人.沥青混合料蠕变试验数据处理与粘弹性计算[J].东南大学学报(自然科学版),2007,37(6):1091-1095.[doi:10.3969/j.issn.1001-0505.2007.06.030] 　Chen Jingyun,Zhou Changhong,Wang Zheren.Data processing and viscoelastic computation for creep test of asphalt mixture[J].Journal of Southeast University (Natural Science Edition),2007,37(6):1091-1095.[doi:10.3969/j.issn.1001-0505.2007.06.030] 点击复制 沥青混合料蠕变试验数据处理与粘弹性计算() 分享到： var jiathis_config = { data_track_clickback: true };

37

2007年第6期

1091-1095

2007-11-20

## 文章信息/Info

Title:
Data processing and viscoelastic computation for creep test of asphalt mixture

1 大连理工大学土木水利学院, 大连 116023; 2 哈尔滨工业大学交通科学与工程学院, 哈尔滨 150090
Author(s):
1 School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116023, China
2 School of Science and Engineering on Communication, Harbin Institute of Technology, Harbin 150090, China

Keywords:

U416.217
DOI:
10.3969/j.issn.1001-0505.2007.06.030

Abstract:
In order to obtain the constitutive equations of asphalt mixture and to apply them easily into numerical simulations, creep compliance is fitted here by Matlab software through analyzing creep data acquired in penetration test of asphalt concrete, thereafter, viscoelastic parameters of two models—Burgers and generalized Maxwell model are achieved. Also, based on the requirement of ANSYS software, an algorithm is deduced to transform the constitutive equations into Prony series. An example of penetration test is offered to evaluate the error percentage. As a result, relative errors of Burgers model(four parameters)is less than 0.7%, while Maxwell model(six parameters)less then 1.3%, and the solution error using Prony series is no more then 0.001% compared with the theoretical solution. So, it can be proved that the Burgers model is more accurate than generalized Maxwell model in expressing the viscoelastic behavior of asphalt mixture, and the transformation formula to Prony series is simple and efficient.

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