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The Detection of Road Stud Markers (2)

In the United States, road stud marker has been widely used. In California and Texas, a large number of raised road stud markers are widely used on highways. Almost all of the same direction lane boundaries use this kind of raised road stud markers to form the marking line. No matter in the highway, country road, or campus road, no matter the side line or the middle line of the road, as long as there are cars, there are road stud marker in America.

The widely application of road stud marker
The widely application of road stud marker shows the qualified products of America. There are two detection methods in America. First, the testing department only detect and is responsible for the samples, which is same as the Chinese detection method. The second is field testing.
The first step of field testing is the selection of experimental standard road section. There are few conditions: 1. Vehicles can pass the road freely; 2. During the detection period, no maintenance construction is carried out on the road where installs road stud marker; 3. The traffic flow is 35000 times. Then the specified number of road stud markers are installed on the selected road.

The widely application of road stud marker
The road stud marker is installed on the road surface for two years and observed once every half a year. The shell of the road stud marker, the surface of the reflector and the interior of the reflector should be observed, and the observation results are divided into five grades: 5. Excellent complete like new; 4. Very good, with small scratch; 3. Medium, with obvious defects, but it can still work; 2. Poor, serious damage, weak effect; 1. It doesn't work at all. And then detect its luminous intensity.
The field testing of road stud marker is what China lacks now. The detection of road stud marker is not only necessary to carry out experiments in the laboratory, but also to conduct long-term use and observation in reality.