全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

水泥稳定碎石基层横向收缩裂缝控制研究

, PP. 45-49

Keywords: 道路工程,水泥稳定碎石基层,有限元方法,裂缝控制,收缩应力

Full-Text   Cite this paper   Add to My Lib

Abstract:

为比较不同水泥稳定碎石基层材料的强度和收缩性能,寻求减少水泥稳定碎石基层因收缩而产生的横向裂缝量的方法,借助有限元方法建模分析不同水泥剂量的水泥稳定碎石基层结构内因失水或降温引起的收缩应力,采用不同水泥剂量的水泥稳定碎石材料进行室内强度试验并铺筑试验路。有限元分析和室内、外试验结果表明随水泥剂量的增加,基层内部的收缩应力增大;水泥剂量仅为2.5%时,材料的7d无侧限抗压强度就满足规范要求;在满足强度的基础上可以通过适当降低水泥剂量来减少水泥稳定碎石基层裂缝的产生,但水泥剂量越低,强度变异性越大,需改善施工工艺以减少施工变异性。

References

[1]  [D].西安:长安大学,2004.YANG Wen-ding.Research on Shrinkage Performance of Semi-rigid Base Materials
[2]  [D].Xi'an:Chang'an University,2004.
[3]  李强.半刚性基层沥青路面反射裂缝控制指标研究
[4]  JTJ057O94,公路工程无机结合料稳定材料试验规程
[5]  [S].JTJ057O94,Test Methods of Materials Stabilized with Inorganic Binders for Highway Engineering
[6]  [S].
[7]  张嘎吱.考虑抗裂性的水泥稳定类材料配合比设计方法研究
[8]  [D].西安:长安大学,2001.ZHANG Ga-zhi.Research on Mix Ratio Design Method of Cement-treated Materials Considering Anti-cracking Performance
[9]  [D].Shanghai:Tongji University,2004.
[10]  胡力群,沙爱民.半刚性基层材料温缩系数测定影响因素研究
[11]  [J].公路交通科技,2007,24(1):17-20.HU Li-qun,SHA Ai-min.Research on Influence Factor in Semi-rigid Base Course Material Temperature Shrinkage Coefficient Test Using Strain Gauge
[12]  东南大学.水泥稳定碎石基层合理强度指标与反射裂缝防治技术深化研究
[13]  [R].南京:东南大学,2006.Southeast University.Research on Reasonable Strength Indexes of Cement treated Base and Technology of Reflective-crack Prevention and Management
[14]  [R].Nanjing:Southeast University,2006.
[15]  杨文丁.半刚性基层材料收缩性能研究
[16]  [D].南京:东南大学,2006.LI Qiang.Research on the Design Indexes of Reflective Cracking in Semi-rigid Base Asphalt Pavements
[17]  [D].Nanjing:Southeast University,2006.
[18]  吴赣昌.半刚性路面温度应力分析
[19]  [M].北京:科学出版社,1995.WU Gan-chang.Temperature Stress Analysis of Semi-rigid Pavement
[20]  [M].Beijing:Science Press,1995.
[21]  [D].Xi'an:Chang'an University,2001.
[22]  黄煜镔.水泥稳定碎石基层沥青路面裂缝防治研究
[23]  [D].上海:同济大学,2004.HUANG Yu-bin.Research on Crack Prevention and Management for Cement-treated Macadam Base Asphalt Pavement
[24]  [J].Journal of Highway and Transportation Research and Development,2007,24(1):17-20.
[25]  倪富健,徐皓,刘清泉,等.排水性沥青表面层半刚性基层路面温度场分析
[26]  [J].公路交通科技,2006,23(10):15-19.NI Fu-jian,XU Hao,LIU Qing-quan,et al.Analysis of Temperature Fields of Semi-rigid Pavement with Porous Asphalt Course
[27]  [J].Journal of Highway and Transportation Research and Development,2006,23(10):15-19.
[28]  顾兴宇,董侨,倪富健.连续配筋水泥混凝土路面裂缝发展规律研究
[29]  [J].公路交通科技,2007,24(6):37-40.GU Xing-yu,DONG Qiao,NI Fu-jian.Research on Crack Progression of Continuously Reinforced Concrete Pavement
[30]  [J].Journal of Highway and Transportation Research and Development,2007,24(6):37-40.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133