American Journal of Civil Engineering

Volume 6, Issue 4, July 2018

  • Interaction Mechanism of the Frost Heaving of the Filler and Skeleton Particles in a Micro-Frost-Heaving Filling Material

    Xiaoyan Du, Yangsheng Ye, Qianli Zhang, Degou Cai

    Issue: Volume 6, Issue 4, July 2018
    Pages: 109-117
    Received: 10 June 2018
    Accepted: 16 July 2018
    Published: 14 September 2018
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    Abstract: To address the adverse effects of the frost heaving of subgrades in regions with seasonal frozen soil on the smoothness of high-speed railway tracks, the effects of several factors—including filler, water content and external loading—on a micro-frost-heaving (MFH) filling material were studied through laboratory experiments and theoretical analysis... Show More
  • An Improved Method for Earthquake Damage Prediction of Highway Subgrade and Pavement Based on Closeness Degree Method

    Jia Lee, Junqi Lin, Jinlong Liu

    Issue: Volume 6, Issue 4, July 2018
    Pages: 118-122
    Received: 16 September 2018
    Published: 18 September 2018
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    Abstract: In this article, based on the earthquake damage data of ‘5.12’ Wenchuan Earthquake and the improved method of earthquake damage prediction of highway subgrade and pavement which is obtained by using nonlinear regression method, a new method using closeness degree is given. This new method uses fuzzy recognition to determine the earthquake damage le... Show More
  • Research on Optimization of Public Service Facilities Land Efficiency in Changchun City Based on Compact City

    Lv Jing, Yan Tianjiao

    Issue: Volume 6, Issue 4, July 2018
    Pages: 123-133
    Received: 17 October 2018
    Published: 18 October 2018
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    Abstract: With the continuous development of the social economy, the city has a chaotic image of unwarranted expansion, so the proposal of compact cities and stock planning has been very important. Land for public service facilities is a major component of urban functional land, so it can be used to reflect the compactness of urban land. Based on the backgro... Show More
  • Experimental Study on Interfacial Shear Properties of Concrete Reinforced Stone Arch Bridges

    Zhang Miao, Zhang Fang

    Issue: Volume 6, Issue 4, July 2018
    Pages: 134-140
    Received: 7 November 2018
    Published: 8 November 2018
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    Abstract: To investigate the shear performance of the interface between concrete and stone, the interfacial shear test of concrete - stone carried out by using the Z-type and hoop-type specimens. The effects of different bonding methods, material strength and different forms of embedded steel bars on interfacial shear properties are considered.. The experime... Show More