Influence Factors of Compressive Ｒesilient Modulus of Cold-Ｒecycled
Foamed Bitumen Mixture

doi:10.3969/j.issn.1674-0696.2013.06.14

Journal of Chongqing Jiaotong University(Natural Science) ›› 2013, Vol. 32 ›› Issue (6): 1157-1160.DOI: 10.3969/j.issn.1674-0696.2013.06.14

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Influence Factors of Compressive Ｒesilient Modulus of Cold-Ｒecycled Foamed Bitumen Mixture

Zhang Yi^1,2，Zhang Zongtao^1,3

1.School of Highway，Chang’an University，Xi’an 710064，Shaanxi，China; 2.Shaanxi Provincial Communications Infrastructure Quality Control Institute，Xi’an 710075，Shaanxi，China; 3.Shaanxi Province Highway Construction Group Co.，Xi’an 710065，Shaanxi，China

Received:2012-12-15 Revised:2013-11-11 Online:2013-12-15 Published:2015-01-22

泡沫沥青冷再生混合料抗压回弹模量影响因素研究

张毅^1,2，张宗涛^1,3

1.长安大学公路学院，陕西西安 710064; 2.陕西省交通厅基本建设工程质量监督站，陕西西安 710075; 3.陕西省高速公路建设集团公司，陕西西安 710065

作者简介:张毅(1969—)，男，陕西高陵人，教授级高工，博士研究生，主要从事公路工程质量监督、科研工作。E-mail:519885641@qq.com。

Abstract

Abstract: The grey incidence analysis method was used to analyze the various factors that influenced compressive resilient modulus of foamed bitumen mixture，such as the dosage of ＲAP，stone chips，asphalt content and cement dosage． The results show that the cement dosage and ＲAP dosage have large influence on compressive resilient modulus; and the impact of these factors on the compressive resilient modulus in descending order is that cement contents，ＲAP dosage，stone chips dosage and asphalt content． Therefore，the cement dosage has a positive correlation with compression modulus，and the remaining factors are negatively correlated． The dosage of cement and ＲAP should be controlled strictly in the mix gradation design and construction process to satisfy the requirements of the compressive resilient modulus．

Key words: foamed bitumen mixture, compressive resilient modulus, grey incidence analysis

摘要： 用灰关联方法分析了泡沫沥青混合料抗压回弹模量的影响因素，包括沥青路面铣刨料(RAP)用量、石屑用量、沥青用量以及水泥用量。研究结果表明:水泥用量和ＲAP用量对抗压回弹模量影响较大;对抗压回弹模量影响因素从大到小为水泥用量＞RAP用量＞石屑用量＞沥青用量;水泥用量与抗压回弹模量为正相关，其余因素均为负相关。建议在混合料配合比设计阶段和施工过程中严格控制水泥用量和沥青面层铣刨料用量。

关键词: 泡沫沥青混合料, 抗压回弹模量, 灰关联分析

CLC Number:

U414.701

Zhang Yi，Zhang Zongtao. Influence Factors of Compressive Ｒesilient Modulus of Cold-Ｒecycled Foamed Bitumen Mixture[J]. Journal of Chongqing Jiaotong University(Natural Science), 2013, 32(6): 1157-1160.

张毅，张宗涛. 泡沫沥青冷再生混合料抗压回弹模量影响因素研究[J]. 重庆交通大学学报（自然科学版）, 2013, 32(6): 1157-1160.

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Influence Factors of Compressive Ｒesilient Modulus of Cold-Ｒecycled Foamed Bitumen Mixture

泡沫沥青冷再生混合料抗压回弹模量影响因素研究

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[1]	Zhang Yi，Zhang Zongtao. Influence Factors of Compressive Ｒesilient Modulus of Cold-Ｒecycled Foamed Bitumen Mixture [J]. Journal of Chongqing Jiaotong University(Natural Science), 2013, 32(6): 1157-1160.
[2]	HE Chang-xuan, FAN Ying-hua, ZHENG Xiao-guang. Test Study on Dynamic Modulus of Asphalt Mixture [J]. Journal of Chongqing Jiaotong University(Natural Science), 2010, 29(4): 555-558.