The invention relates to the technical field of roadbed detection, and discloses a detection vehicle for measuring the dynamic modulus of a roadbed, which comprises a bearing vehicle, a connecting frame, a load generating device, a gas storage device and a power device, the load generating device applies a continuous cyclic load and a static load surrounding the detection point to the detection point; the power device provides compressed gas for the gas storage device; the gas storage device purifies compressed gas, controls the pressure of output gas and provides stable power for the load generation device; according to the invention, stable and uniformly distributed static load is applied to the circumference of the detection point by using the bearing vehicle and the load generation device, and stable and continuous cyclic load is applied to the detection point, so that the load generated by rapid passing of traffic flow to the roadbed is more truly simulated; the cyclic load enables the detection points to generate continuous dynamic deformation, the dynamic deformation values of the detection points are collected, a dynamic load-deformation curve of the roadbed is obtained, the dynamic modulus of the roadbed is calculated, and more real structural parameters are provided for evaluating the road bearing capacity.

    本发明涉及路基检测技术领域,公开了一种测量路基动态模量的检测车,包括承载车辆、连接架、载荷发生装置、气体存储装置和动力装置;所述载荷发生装置对检测点施加连续循环载荷和环绕检测点的静载荷;所述动力装置为气体存储装置提供压缩气体;所述气体存储装置净化压缩气体、控制输出气体压力、为载荷发生装置提供稳定的动力;本发明利用承载车辆和载荷发生装置对检测点圆周施加稳定、均布的静载荷,并对检测点施加稳定、连续的循环载荷,更加真实模拟车流快速通过对路基产生的载荷;循环载荷使检测点产生持续动态形变,采集检测点的动态形变值,获得路基的动态荷载‑形变曲线,计算路基动态模量,为评价道路承载能力提供更加真实的结构参数。


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    Title :

    Detection vehicle for measuring dynamic modulus of roadbed


    Additional title:

    一种测量路基动态模量的检测车


    Contributors:
    LIU CHAOCHAO (author) / QU SHIRAN (author) / ZHENG JIANLONG (author) / LYU SONGTAO (author) / ZHANG LIANGQI (author) / QIN XINYI (author)

    Publication date :

    2025-01-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    E02D FOUNDATIONS , Gründungen / B62D MOTOR VEHICLES , Motorfahrzeuge / E01C Bau von Straßen, Sportplätzen oder dgl., Decken dafür , CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES



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