What is the principle of a falling weight deflectometer?The principle of a Falling Weight Deflectometer (FWD) is based on applying a known load to a pavement and measuring the resulting deflections at various distances from the load. This method allows engineers to infer the structural properties of

Roads and road infrastructure are critical to the country ’s socio-economic and technological progress. In recent years, public interest in road monitoring and maintenance has increasingly attracted people's attention. Road maintenance is essential to ensure road quality. Observing safety and road quality standards can effectively prevent accidents, and in the event of a traffic accident, the weight deflectometer is an important tool for toad production.