| 基于振动成型的级配碎石路用性能及设计标准 |
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| 引用本文： | 周卫峰,李彦伟,张秀丽,马骉.基于振动成型的级配碎石路用性能及设计标准[J].重庆交通学院学报,2009(3). |
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| 作者姓名： | 周卫峰 李彦伟 张秀丽 马骉 |
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| 作者单位： | 天津市市政工程研究院;石家庄交通局;长安大学特殊地区公路工程教育部重点实验室; |
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| 基金项目： | 交通部西部交通建设科技项目(200631800009) |
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| 摘 要： | 采用不同成型方式,研究对比了级配碎石的物理力学特性。提出了基于振动成型的级配碎石设计指标及设计标准,并应用实体工程进行验证。研究结果表明,提出的振动成型方式与现场碾压方式更为匹配,与重型击实相比,振动法设计的级配碎石最大干密度系统有所提高;CBR、抗变形能力等力学指标明显优于重型击实法设计的级配碎石。实体工程表明,振动成型设计的级配碎石为基层的复合式路面路表弯沉与半刚性基层路表弯沉相当;不需特殊设备,采用改进的施工工艺,现场含水量、级配及压实度均能够达到研究提出的振动成型设计标准。
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| 关 键 词： | 道路工程 级配碎石 振动成型 设计标准 路用性能 |
Pavement Performance and Design Standard of Graded Broken Stone Based on Vibration Molding |
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| ZHOU Wei-feng,LI Yan-wei,ZHANG Xiu-li,MA Biao.Pavement Performance and Design Standard of Graded Broken Stone Based on Vibration Molding[J].Journal of Chongqing Jiaotong University,2009(3). |
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| Authors: | ZHOU Wei-feng LI Yan-wei ZHANG Xiu-li MA Biao |
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| Institution: | ZHOU Wei-feng1,LI Yan-wei2,ZHANG Xiu-li1,MA Biao3(1.Tianjin Municipal Engineering Research Institute,Tianjin 300074,China,2.Shijiazhuang Transportation Bureau,Hebei Shijiazhuang 050051,3.Key Laboratory for Special Area Highway Engineering of Ministry of Education,Changan University,Shaanxi Xi'an 710064,China) |
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| Abstract: | In order to make full use of the advantage of the graded broken stone and improve the road performance of graded broken stone,different molding ways are used to analyze the physical and mechanical properties of graded broken stone.The design specifications and design standards of graded broken stone which are based on vibration molding are proposed,and their feasibility is verified through practical project.The results indicate that the vibration molding matches much better with the working way of roller.Co... |
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| Keywords: | road engineering graded broken stone vibration molding design standards road performance |
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