[1]李国伟,陈 豫,薛金顺,等.垂直振动压实水泥冷再生混合料的回弹模量特性[J].筑路机械与施工机械化,2017,(10):58-62,67.
 LI Guo-wei,CHEN Yu,XUE Jin-shun,et al.Modulus of Resilience of Cement Cold Recycling Mixtures Under Vertical Vibration Compaction[J].,2017,(10):58-62,67.
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垂直振动压实水泥冷再生混合料的回弹模量特性()
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《筑路机械与施工机械化》[ISSN:1000-033X/CN:61-1119/U]

卷:
期数:
2017年10期
页码:
58-62,67
栏目:
设计与实验
出版日期:
2017-10-15

文章信息/Info

Title:
Modulus of Resilience of Cement Cold Recycling Mixtures Under Vertical Vibration Compaction
文章编号:
1000-033X(2017)10-0058-05
作者:
李国伟1陈 豫2薛金顺3蒋应军3刘延金3
1.河南省三门峡至淅川高速公路项目有限公司,河南 三门峡 472000;
2.金华市城区公路管理段,浙江 金华 321000;
3.长安大学 公路学院,陕西 西安 710064
Author(s):
LI Guo-wei1 CHEN Yu2 XUE Jin-shun3 JIANG Ying-jun3 LIU Yan-jin3
1.Henan Sanmenxia-Xichuan Expressway Co., Ltd., Sanmenxia 472000, Henan, China;
2.Wucheng District Highway Management of Jinhua City, Jinhua 321000, Zhejiang, China;
3.School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China
关键词:
道路工程 水泥冷再生混合料 垂直振动试验法 回弹模量
Keywords:
road engineering cement cold recycling mixture vertical vibration test method modulus of resilience
分类号:
U414.01
文献标志码:
B
摘要:
采用垂直振动试验研究了养生龄期、基面层回收料比例、新集料掺量、水泥剂量等因素对水泥冷再生混合料(CCRM)室内抗压回弹模量的影响。结果表明:CCRM的7 d模量约为极限模量的40%,28 d模量约为极限模量的80%,90 d模量约为极限模量的90%; 随着基面层回收料比例增加,CCRM模量有所增大,CCRM 90 d模量约为水泥稳定碎石的0.5~0.7倍; 与不掺新集料的CCRM相比,掺20%新集料CCRM的极限模量提高3%~18%,掺40%新集料CCRM的极限模量提高13%~29%; CCRM模量随水泥剂量的增加而增大,但幅度不大。
Abstract:
The effects of the factors such as the curing time, the proportion of reclaimed base course and surface course materials used in the mixture, the amount of virgin aggregate and the cement dosage on the compressive modulus of resilience of the cement cold recycling mixtures(CCRM)were studied by the vertical vibration test.The results show that after 7 d, 28 d and 90 d of curing, the modulus of CCRM reaches 40%, 80% and 90% of the ultimate modulus of resilience; with the increase of the proportion of the recycled material, the modulus of CCRM increases, and its 90 d modulus is about 0.5~0.7 times of the cement stabilized macadam; compared with CCRM without virgin aggregate, the ultimate modulus of CCRM mixed with 20% virgin aggregate increases by about 3%~18%, and that of CCRM mixed with 40% virgin aggregate increases by 13%~29%; the modulus of CCRM increases in line with the increasing amount of cement in an unremarkable scale.

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备注/Memo

备注/Memo:
收稿日期:2017-04-14
基金项目:河南省交通运输科技项目(2014K49-1)
作者简介:李国伟(1977-),男,河南驻马店人,工程师,主要从事道路、桥梁工程建设工作。
更新日期/Last Update: 2017-10-30