| 高速公路水泥稳定碎石基层抗裂设计方法研究 |
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| 引用本文： | 胡应德,黄晓明,熊茂东.高速公路水泥稳定碎石基层抗裂设计方法研究[J].公路交通科技,2007,24(2):25-27. |
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| 作者姓名： | 胡应德 黄晓明 熊茂东 |
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| 作者单位： | 1. 东南大学,江苏,南京,210096
2. 华东交通大学,江西,南昌,330006 |
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| 摘 要： | 针对目前水泥碎石基层的应用现状,分析了水泥碎石基层沥青路面产生反射裂缝的成因,并结合强度、干温缩变形性能提出了综合抗裂指数的抗裂评价指标。结合某高速公路工程建设实际,采用综合抗裂指数对水泥碎石基层设计级配进行了评价,并据此对该高速公路水泥稳定碎石基层进行了优化设计。研究结论表明采用综合抗裂指数评价水泥碎石基层的抗裂性能是一种很关键的指标。
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| 关 键 词： | 水泥碎石基层 反射裂缝 综合抗裂指数 强度 干温缩变形 |
| 文章编号： | 1002-0268(2007)02-0025-03 |
| 修稿时间： | 2005-04-26 |
Research of Anti-crack Design Method for Expressway Cement Treated Base |
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| HU Ying-de,HUANG Xiao-ming,XIONG Mao-dong.Research of Anti-crack Design Method for Expressway Cement Treated Base[J].Journal of Highway and Transportation Research and Development,2007,24(2):25-27. |
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| Authors: | HU Ying-de HUANG Xiao-ming XIONG Mao-dong |
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| Institution: | 1. Southeast University, Jiangsu Nanjing 210096, China; 2. East China Jiaotong University, Jiangxi Nanchang 330006, China |
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| Abstract: | According to the application of the cement treated base,this thesis analyzes the cause of reflection cracks in cement treated base asphalt pavement,combined with strength,dry and heat shrinkage deformation properties,anti-crack evaluation index is put forward.Combining with an expressway construction,evaluation is carried out by using the anti-crack evaluation index,thus optimized gradation is put forward for this expressway.The research results indicate that anti-crack evaluation index of the cement treated base is an effective index. |
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| Keywords: | cement treated base reflection cracks anti-crack evaluation index strength dry and heat shrinkage deformation |
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