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Road test
Four methods for detecting deflection knowledge and deflection value

What is the road deflection value? What are the four detection methods?

Expert interpretation 丨 detailed analysis of JTG D50-2017 highway asphalt pavement design code test method

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.

Hundreds of road collapses a year, what can we do?

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?

Pavement (road surface) structure measurement and monitoring solution

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.

Takeoff 丨 3D ground penetrating radar traversed 248,360 meters at Beijing Daxing International Airport

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!

Measured analysis 丨 Analysis of examples of hot-melt and two-component marking retroreflective test

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.

Detailed explanation 丨 2019 new version of `` Draft for Asphalt and Asphalt Mixture Test Regulations for Highway Engineering ''-Asphalt Mixture

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.

Detailed explanation 丨 2019 new version of "Draft for Asphalt and Asphalt Mixture Test Regulations of Highway Engineering"-Asphalt Chapter

New 2019 version of the "JTG E20-20XX Highway Engineering Asphalt and Asphalt Mixture Test Draft Consultation Draft" adds asphalt test methods and instruments.

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