Evaluation?Method?of?Anti-Erosion?Performance?for??Cement-Stabilized?Macadam?Base?Material

doi:10.3969/j.issn.1674-0696.2009.03.21

Journal of Chongqing Jiaotong University(Natural Science) ›› 2009, Vol. 28 ›› Issue (3): 555-558.DOI: 10.3969/j.issn.1674-0696.2009.03.21

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Evaluation?Method?of?Anti-Erosion?Performance?for??Cement-Stabilized?Macadam?Base?Material

HE Xiao-bing, YANG Qing-guo, Yi Zhi-jian

School?of?Civil?Engineering?＆?Architecture,?Chongqing?Jiaotong?University,?Chongqing?400074,?China

Received:2009-03-02 Revised:2009-04-01 Online:2009-06-15 Published:2015-04-15

水泥稳定碎石基层材料抗冲刷试验评价方法研究

何小兵,杨庆国,易志坚

重庆交通大学,土木建筑学院,重庆400074

作者简介:何小兵(1978—),男,湖北仙桃人,讲师,博士研究生,主要从事道路、桥梁的教学科研工作。Email:david.hxb@ gmai.lcom。
基金资助:
重庆市自然科学基金资助项目( 2008 BB 6344)

Abstract

Abstract: Based?on?the?analysis?of?erosion?mechanism?of?semi-rigid?base?material,?the?loading?platform?of?MTS?is?proposed?to?evaluate?the?anti-erosion?performance?of?cement-stabilized?macadam?base?material.?This?method?is?also?applied?to?the?anti-erosion?performance?study?of?polypropylene?fiber?strengthened?cement-stabilized?macadam.?The?results?show?that?the?eroding?rate?in?20?minutes?of?14-day?curing?cement-stabilized?macadam?material?specimens?can?be?used?to?evaluate?the?anti-erosion?performance?of?cement-stabilized?macadam?material?reasonably;?appropriate?volume?of?polypropylene?fiber?mixed?into?cement-stabilized?macadam?material?can?improve?its?anti-erosion?performance?significantly.

Key words: semi-rigid base , cement-stabilized macadam , anti-erosion performance , polypropylene fiber（PP） ;

摘要： 在分析半刚性基层材料冲刷机理的基础上,提出了采用MTS试验平台加载方式评价水泥稳定碎石材料的抗冲刷性能,并采用此方法对PP(聚丙烯)纤维增强水泥稳定碎石材料的抗冲刷性能进行了研究。结果表明,14d养护龄期的试件20min内冲刷速率能对水泥稳定碎石材料的抗冲刷性进行合理的评价;合理掺量的PP纤维能显著提高水泥稳定碎石材料的抗冲刷性能。

关键词: 半刚性基层, 水泥稳定碎石, 抗冲刷性能, 聚丙烯纤维

CLC Number:

HE Xiao-bing, YANG Qing-guo, Yi Zhi-jian. Evaluation?Method?of?Anti-Erosion?Performance?for??Cement-Stabilized?Macadam?Base?Material[J]. Journal of Chongqing Jiaotong University(Natural Science), 2009, 28(3): 555-558.

何小兵,杨庆国,易志坚. 水泥稳定碎石基层材料抗冲刷试验评价方法研究[J]. 重庆交通大学学报（自然科学版）, 2009, 28(3): 555-558.

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Evaluation?Method?of?Anti-Erosion?Performance?for??Cement-Stabilized?Macadam?Base?Material

水泥稳定碎石基层材料抗冲刷试验评价方法研究

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