Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Portable roadbed in-situ dynamic resilience modulus testing device and method
The invention discloses a portable roadbed in-situ dynamic resilience modulus testing device and method, the testing device comprises a static load applying device, a dynamic load applying device and a data acquisition device, the static load applying device comprises an annular outer ring loading plate, the top of the outer ring loading plate is connected with a static load cylinder, and an outer ring counterweight device is placed on a frame; the dynamic load applying device comprises a circular loading plate, the loading plate is mounted in the middle of the outer ring loading plate, the middle of the top of the loading plate is connected with the output end of a dynamic load cylinder, and the dynamic load cylinder is mounted at the bottom of the inner ring counterweight device; the inner ring counterweight device is arranged at the top of the inner ring reaction frame; the inner ring telescopic supporting leg can separate the inner ring reaction frame from the frame; and the data acquisition device is arranged at the center of the bottom of the loading plate and the road surface outside the outer ring loading plate. According to the invention, based on a machine learning algorithm and a nonlinear finite element numerical calculation method, the roadbed modulus under the full-size road surface constraint is obtained with a small dead weight of an instrument, and the portability and the applicability are greatly improved.
本发明公开了一种便携式路基原位动回弹模量测试装置及方法，测试装置包括静载施加装置、动载施加装置和数据采集装置，静载施加装置包括环形的外环加载板，外环加载板的顶部连接静载气缸，外环配重装置放置在车架上；动载施加装置包括圆形的加载板，加载板安装于外环加载板的中间，加载板的顶部中间与动载气缸的输出端连接，动载气缸安装于内环配重装置的底部；内环配重装置置于内环反力架顶部；内环伸缩支腿能够将内环反力架和车架进行分离；数据采集装置安装于加载板的底部中心和外环加载板外部的路面。本发明基于机器学习算法及非线性有限元数值计算方法，实现了以较小的仪器自重获取全尺寸路面约束下路基模量，大大提高了便携性和适用性。
Portable roadbed in-situ dynamic resilience modulus testing device and method
The invention discloses a portable roadbed in-situ dynamic resilience modulus testing device and method, the testing device comprises a static load applying device, a dynamic load applying device and a data acquisition device, the static load applying device comprises an annular outer ring loading plate, the top of the outer ring loading plate is connected with a static load cylinder, and an outer ring counterweight device is placed on a frame; the dynamic load applying device comprises a circular loading plate, the loading plate is mounted in the middle of the outer ring loading plate, the middle of the top of the loading plate is connected with the output end of a dynamic load cylinder, and the dynamic load cylinder is mounted at the bottom of the inner ring counterweight device; the inner ring counterweight device is arranged at the top of the inner ring reaction frame; the inner ring telescopic supporting leg can separate the inner ring reaction frame from the frame; and the data acquisition device is arranged at the center of the bottom of the loading plate and the road surface outside the outer ring loading plate. According to the invention, based on a machine learning algorithm and a nonlinear finite element numerical calculation method, the roadbed modulus under the full-size road surface constraint is obtained with a small dead weight of an instrument, and the portability and the applicability are greatly improved.
本发明公开了一种便携式路基原位动回弹模量测试装置及方法，测试装置包括静载施加装置、动载施加装置和数据采集装置，静载施加装置包括环形的外环加载板，外环加载板的顶部连接静载气缸，外环配重装置放置在车架上；动载施加装置包括圆形的加载板，加载板安装于外环加载板的中间，加载板的顶部中间与动载气缸的输出端连接，动载气缸安装于内环配重装置的底部；内环配重装置置于内环反力架顶部；内环伸缩支腿能够将内环反力架和车架进行分离；数据采集装置安装于加载板的底部中心和外环加载板外部的路面。本发明基于机器学习算法及非线性有限元数值计算方法，实现了以较小的仪器自重获取全尺寸路面约束下路基模量，大大提高了便携性和适用性。
Portable roadbed in-situ dynamic resilience modulus testing device and method
一种便携式路基原位动回弹模量测试装置及方法
ZHANG JUNHUI (Autor:in) / FAN HAISHAN (Autor:in) / SHANG HUAYU (Autor:in)
04.04.2023
Patent
Elektronische Ressource
Chinesisch
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