中文核心期刊
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中国科技核心期刊
RCCSE中国核心学术期刊
重庆交通大学学报（自然科学版）

重庆交通大学学报（自然科学版） ›› 2009, Vol. 28 ›› Issue (4): 720-723.DOI: 10.3969/j.issn.1674-0696.2009.04.20

• • 上一篇    下一篇

级配对橡胶沥青混合料空隙率的影响

郑茂,黄卫东   

  1. 同济大学道路与交通工程教育部重点实验室,上海201804
  • 收稿日期:2009-04-08 修回日期:2009-05-10 出版日期:2009-08-15 发布日期:2015-04-15
  • 作者简介:郑茂(1983—),男,四川宜宾人,硕士研究生,研究方向为道路工程。E-mail:star_zm1205@163.com。

Impact?of?Gradation?on?Voidage?of?Rubber?Asphalt?Mixture

ZHENGMao, HUANGWei-dong   

  1. Key?Laboratory?of?Road?＆?Traffic?Engineering?of?the?Ministry?of?Education,?Tongji?University,?Shanghai?201804,?China
  • Received:2009-04-08 Revised:2009-05-10 Online:2009-08-15 Published:2015-04-15

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摘要： 橡胶沥青混合料被越来越多的用作面层材料,但是国内现行沥青路面设计、施工规范中都还没有橡胶沥青混 合料专用级配的介绍,有必要进行相关研究。在室内使用旋转压实仪成型橡胶沥青混合料试件,通过对不同级配 橡胶沥青混合料试件的空隙率测定,总结级配对间断级配橡胶沥青混合料空隙率的影响规律,并提出橡胶沥青混 合料的各档料用量的取值范围。在保证较低沥青用量的前提下,实现对橡胶沥青混合料的空隙率控制,有利于对 实际施工的理论指导。

关键词: 橡胶沥青, 级配, 空隙率

Abstract: Rubber?asphalt?mixture?has?been?used?more?and?more?as?a?surface?material;however,?no?introduction?to?special?gradation?of?rubber?asphalt?mixture?can?be?found?in?current?domestic?asphalt?pavement?design?and?construction?norms.?So?the?research?on?the?discontinuous?gradation?of?rubber?asphalt?mixture?is?very?necessary.?SGC?（?Superpave?Gyratory?Compactor）?is?used?to?mold?the?test?sample?of?rubber?asphalt?mixture?in?the?room.?The?impact?rule?of?gradation?on?the?voidage?of?discontinuous?gradation?rubber?asphalt?mixture?is?summarized,?through?the?measurement?of?the?voidage?of?rubber?asphalt?mixture?test?sample?with?different?gradations.?And?the?range?of?each?level?of?the?aggregate?is?pointed?out.?The?voidage?of?rubber?asphalt?mixture?can?be?better?controlled?when?the?bitumen?content?is?low,which?is?beneficial?to?provide?a?better?guidance?to?the?road?construction.

Key words: rubber asphah , gradation , voidage ;

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