Recently, the Thai baht maintenance center has completely started the “white-to-black†project on the tunnel pavement, and carried out “white-to-black†construction work on the 300-meter pavement with the station number K2964+684-K2964+984, transforming the original gray-white cement pavement into Black asphalt road. This is the first time that the Taibai section has been implemented with “white to blackâ€. The reconstructed tunnel surface will have a significant effect on adding driving comfort and safety.
Due to the large traffic volume and heavy-duty vehicles in the Tai-Yu section, the tunnel cement pavement is seriously damaged and the anti-skid property is significantly reduced, which greatly affects the safe passage of the road and is likely to cause traffic accidents. Therefore, the transformation of the tunnel pavement is imperative. During the construction of the “White Reformed Black†project, the Thai Baht Conservation Center adhered to the scientific and standardized construction in conjunction with the actual tunnel road conditions.
The Thai baht conservation center actively quoted the new equipment of the ä½° æ³° æ³° è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢ è·¯é¢In this road cleaning operation, the shot blasting machine throws the steel shot at a very high speed to impact the road surface to be cleaned, to remove the surface pollutants such as floating pulp and oil, and to ensure the cleanliness of the road surface and form Rough new surface to meet the requirements of the next construction; steel shots are automatically recycled in the equipment, dust and other pollutants are discharged into a dedicated dust collector, the whole work process is dust-free, pollution-free, so it also played Protect the environment. In addition, the operation has a good effect on increasing the roughness and friction coefficient of the road surface, which also provides a reliable guarantee for driving safety.
At the same time, the Thai Baht Conservation Center also pays attention to the innovative concept and seeks the best construction method. For example, in the paving process, the method of paving with emulsified asphalt is adopted to ensure the asphalt temperature, effectively improve the paving quality and ensure the compaction degree meets the requirements. .
The adhesion between the modified tunnel surface and the vehicle tires will be greatly enhanced, effectively improving the road surface's anti-sliding ability, increasing driving comfort and safety, meeting road bearing capacity, durability and other requirements, thereby extending the road use period.


Product name:Helical Spring Steel Wire
Standards:
DIN 17223-1 Round Steel Wire For Springs
DIN EN 10270-1 Steel Wire For Mechanical Springs
GB 3206-82 Carbon Constructional Quality Steel Wire
JIS G 3521-1991 Hard Drawn Steel Wire
GB 4357-89 Carbon Spring Steel Wire
YB/T 5220-93 Carbon Steel Wire For Non-Mechanical Springs
Diameter: 0.20mm-12.50mm
Usages: compression spring.
Material: 30MnSi, 62A,62B, 60, 65, 65Mn, 70, 75,72A, 72B, 77A, 77B, 80,82A, 82B
Helical Spring Steel Wire
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