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基于振动特性的机场刚性道面传荷性能

张献民 刘小兰 张子文

张献民, 刘小兰, 张子文等 . 基于振动特性的机场刚性道面传荷性能[J]. 北京航空航天大学学报, 2018, 44(9): 1787-1796. doi: 10.13700/j.bh.1001-5965.2017.0687
引用本文: 张献民, 刘小兰, 张子文等 . 基于振动特性的机场刚性道面传荷性能[J]. 北京航空航天大学学报, 2018, 44(9): 1787-1796. doi: 10.13700/j.bh.1001-5965.2017.0687
ZHANG Xianmin, LIU Xiaolan, ZHANG Ziwenet al. Rigid pavement load transfer ability of airport based on vibration characteristics[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(9): 1787-1796. doi: 10.13700/j.bh.1001-5965.2017.0687(in Chinese)
Citation: ZHANG Xianmin, LIU Xiaolan, ZHANG Ziwenet al. Rigid pavement load transfer ability of airport based on vibration characteristics[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(9): 1787-1796. doi: 10.13700/j.bh.1001-5965.2017.0687(in Chinese)

基于振动特性的机场刚性道面传荷性能

doi: 10.13700/j.bh.1001-5965.2017.0687
基金项目: 

国家自然科学基金 51178456

详细信息
    作者简介:

    张献民  男, 博士, 教授, 博士生导师。主要研究方向:场道工程; 刘小兰女, 博士研究生。主要研究方向:场道工程

    刘小兰  女,博士研究生。主要研究方向:场道工程

    通讯作者:

    张献民, E-mail:cauczxm@126.com

  • 中图分类号: V351.11

Rigid pavement load transfer ability of airport based on vibration characteristics

Funds: 

National Natural Science Foundation of China 51178456

More Information
  • 摘要:

    接缝的传荷性能需定期检测以指导机场刚性道面的维护和使用,针对现有检测方法(如落锤式弯沉仪)难以进行偏远山区和交通运输困难地区的机场测试问题,提出了普通加载车辆跳车试验法,探究传力杆自身参数和道面结构参数对传荷性能和道面振动特性(基频、幅值、相位差)的影响规律,找出主要影响因素为传力杆弹性模量和土基模量;建立多因素下传荷性能和道面振动特性的定量关系,并通过室外试验验证该公式的准确性和方法的可行性。

     

  • 图 1  四分之一荷载模型

    Figure 1.  A quarter load model

    图 2  传力杆参数对传荷性能的影响

    Figure 2.  Influence of dowel bar parameters on load transfer ability

    图 3  道面结构参数对传荷性能的影响

    Figure 3.  Influence of pavement structure parameters on load transfer ability

    图 4  传力杆直径对道面振动特性的影响

    Figure 4.  Influence of dowel bar diameter on pavement vibration characteristics

    图 5  传力杆长度对道面振动特性的影响

    Figure 5.  Influence of dowel bar length on pavement vibration characteristics

    图 6  传力杆间距对道面振动特性的影响

    Figure 6.  Influence of dowel bar distance on pavement vibration characteristics

    图 7  传力杆弹性模量对道面振动特性的影响

    Figure 7.  Influence of dowel bar elasticity modulus on pavement vibration characteristics

    图 8  面层厚度对道面振动特性的影响

    Figure 8.  Influence of surface thickness on pavement vibration characteristics

    图 9  面层弹性模量对道面振动特性的影响

    Figure 9.  Influence of surface elasticity modulus on pavement vibration characteristics

    图 10  基层厚度对道面振动特性的影响

    Figure 10.  Influence of base thickness on pavement vibration characteristics

    图 11  基层弹性模量对道面振动特性的影响

    Figure 11.  Influence of base elasticity modulus on pavement vibration characteristics

    图 12  土基弹性模量对道面振动特性的影响

    Figure 12.  Influence of soil elasticity modulus on pavement vibration characteristics

    图 13  试验模型

    Figure 13.  Experimental model

    图 14  模型加载

    Figure 14.  Model load

    图 15  数据采集与监测

    Figure 15.  Data acquisition and monitoring

    图 16  加速度频谱分析

    Figure 16.  Frequency spectra analysis of acceleration

    表  1  传力杆和道面结构参数[14]

    Table  1.   Parameters of dowel bar and pavement structure[14]

    参数 水泥混凝土面层 水泥稳定碎石基层 土基 传力杆
    弹性模量/MPa 36 000 1 500 80 210 000
    密度/(kg·m-3) 2 500 2 000 1 800 7 850
    泊松比 0.15 0.25 0.35 0.30
    下载: 导出CSV

    表  2  静态试验结果

    Table  2.   Results of static experiment

    质量/
    kg
    受荷板位移/mm 未受荷板位移/mm 传荷系数/
    %
    传荷系数均值/%
    480 0.232 0.220 94.8
    720 0.355 0.335 94.6 94.6
    960 0.463 0.437 94.4
    下载: 导出CSV

    表  3  动态试验结果

    Table  3.   Results of dynamic experiment

    基频/
    Hz
    受荷板幅值/(10-4g) 未受荷板幅值/(10-4g)
    A1063 A1050 平均值(A1) A1045 A1058 平均值(A2)
    12.84 7.49 7.47 7.48 7.39 7.38 7.385
    下载: 导出CSV
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出版历程
  • 收稿日期:  2017-11-06
  • 录用日期:  2018-02-11
  • 刊出日期:  2018-09-20

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