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A platform for research: civil engineering, architecture and urbanism
Roadbed modulus detection method based on drop weight deflectometer
The invention discloses a roadbed modulus detection method based on a drop weight deflectometer, and belongs to the technical field of road engineering. According to the method, the optimal load strength and the optimal repeated loading level are determined by testing different loading strengths and continuous loading times, so that the stability and the effectiveness of a test result of the falling weight deflectometer (FWD) are ensured; meanwhile, the calculation formula of the rigid underlying layer depth, the effective influence range and the radial deviation position of the roadbed deflection basin and the roadbed modulus for roadbed modulus estimation is defined, guidance is provided for rapid detection of the on-site roadbed modulus, the accuracy of roadbed construction quality evaluation is guaranteed, and accurate mechanical parameters are provided for road structure design.
本发明公开了一种基于落锤式弯沉仪的路基模量检测方法，属于道路工程技术领域。本发明通过测试不同加载强度以及连续加载次数，确定最优荷载强度和最优重复加载水平，以保证落锤式弯沉仪(FWD)测试结果的稳定性和有效性；同时明确了用于路基模量预估的刚性下卧层深度、路基弯沉盆有效影响范围与径向偏移位置以及路基模量的计算公式，为现场路基模量的快速检测提供指导，保障路基施工质量评价的准确性，并为道路结构设计提供精确的力学参数。
Roadbed modulus detection method based on drop weight deflectometer
The invention discloses a roadbed modulus detection method based on a drop weight deflectometer, and belongs to the technical field of road engineering. According to the method, the optimal load strength and the optimal repeated loading level are determined by testing different loading strengths and continuous loading times, so that the stability and the effectiveness of a test result of the falling weight deflectometer (FWD) are ensured; meanwhile, the calculation formula of the rigid underlying layer depth, the effective influence range and the radial deviation position of the roadbed deflection basin and the roadbed modulus for roadbed modulus estimation is defined, guidance is provided for rapid detection of the on-site roadbed modulus, the accuracy of roadbed construction quality evaluation is guaranteed, and accurate mechanical parameters are provided for road structure design.
本发明公开了一种基于落锤式弯沉仪的路基模量检测方法，属于道路工程技术领域。本发明通过测试不同加载强度以及连续加载次数，确定最优荷载强度和最优重复加载水平，以保证落锤式弯沉仪(FWD)测试结果的稳定性和有效性；同时明确了用于路基模量预估的刚性下卧层深度、路基弯沉盆有效影响范围与径向偏移位置以及路基模量的计算公式，为现场路基模量的快速检测提供指导，保障路基施工质量评价的准确性，并为道路结构设计提供精确的力学参数。
Roadbed modulus detection method based on drop weight deflectometer
一种基于落锤式弯沉仪的路基模量检测方法
CHEN CHANG (author) / TONG XIAOYING (author) / CHENG HUAILEI (author) / LIU QINGXIANG (author) / SUN LIJUN (author)
2024-07-30
Patent
Electronic Resource
Chinese
IPC:
G01N
Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften
,
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
/
E01C
Bau von Straßen, Sportplätzen oder dgl., Decken dafür
,
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE
/
E02D
FOUNDATIONS
,
Gründungen
/
G06F
ELECTRIC DIGITAL DATA PROCESSING
,
Elektrische digitale Datenverarbeitung
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