What is the road deflection value? What are the four detection methods?
According to the four categories of traffic load parameters, environmental impact parameters, material property parameters and structural performance analysis, the relevant tests and equipment of the new version of the highway asphalt pavement design code are introduced one by one.
The collapse of urban roads endangers the safety of people and property, and the social impact is huge. So is there any way to effectively detect underground defects?
Understanding pavement response to strain, pavement pressure, on-site humidity, and temperature is critical. Pavement (road surface) measurement and monitoring programs are used to predict and record pavement disease levels.
The 248360m underground structure inspection was completed in 10 days. The Norwegian 3D-Radar 3D ground penetrating radar helped Beijing Daxing International Airport take off!
LTL-M is a device installed on a vehicle to measure the retroreflective coefficient of road markings at normal driving speeds. It can measure various types of road markings.
The 2019 new version of "JTG E20-20XX Highway Engineering Asphalt and Asphalt Mixture Test Draft Consultation Draft" adds detailed explanations of asphalt mixture test methods and instruments.
New 2019 version of the "JTG E20-20XX Highway Engineering Asphalt and Asphalt Mixture Test Draft Consultation Draft" adds asphalt test methods and instruments.