FAQ
Several factors affecting the price of guardrail
2021-09-10
The product specifications are different. As far as the corrugated guardrail is concerned, the better the raw material material, the thicker the steel plate and the greater the thickness, the more cost of the product; ...
Crashworthiness and energy absorbing function of guardrail
2021-09-03
Corrugated paper fences are installed along the road, subject to inclement weather. The surface of the guardrail was damaged and oxidized to different levels of education. When the guardrail is rusted, the guardrail will accelerate the secondary oxidation...
Installation steps of galvanized guardrail posts
2021-08-27
Under normal circumstances, the column can be constructed by penetration method. When the penetration depth is too deep, it should be accurately positioned. When the penetration depth is too deep, the part of the column should not be pulled out for correc...
Standard for testing the anti-corrosion performance of galvanized layer of high-speed guardrail
2021-08-20
The adhesion test of the galvanized layer adopts the hammering method. The test piece is placed horizontally, the hammer head faces the center of the platform, the hammer handle is perpendicular to the base plane, and then falls freely, hits five points i...
Acceptance criteria for guardrail
2021-08-13
For guardrails installed on road sections with a horizontal curve radius less than 70m, the corrugated beams should be bent and formed in the factory. When the radius of curvature is greater than 70m, a straight wave beam can be used, but appropriate meas...
Acceptance criteria for guardrail
2021-08-13
For guardrails installed on road sections with a horizontal curve radius less than 70m, the corrugated beams should be bent and formed in the factory. When the radius of curvature is greater than 70m, a straight wave beam can be used, but appropriate meas...
Acceptance criteria for guardrail
2021-08-13
For guardrails installed on road sections with a horizontal curve radius less than 70m, the corrugated beams should be bent and formed in the factory. When the radius of curvature is greater than 70m, a straight wave beam can be used, but appropriate meas...
Construction technology of highway guardrail
2021-08-06
2. Material inspection. The inspection of materials shall be carried out sampling inspection according to relevant regulations, and the main content shall include whether the size, specifications and craftsmanship of the materials are consistent with the ...
Reasons for the wrinkles of the anti-collision wave guardrail
2021-07-30
The common guardrail board is a semi-rigid guardrail board, which is a continuous structure in which corrugated steel guardrail boards are spliced ??together and supported by the main column. It can absorb and buffer the energy after a traffic accident, a...
Related accessories of highway guardrail board
2021-07-23
Highway guardrail posts can be divided into galvanized posts, dipping posts, flange posts, ordinary posts, etc. There are many diameters of the columns, and the appropriate diameter and thickness can be selected according to the engineering requirements...
Installation sequence and steps of high-speed guardrail board
2021-07-16
The installation sequence of the guardrail must be correct. Only the correct installation steps can ensure the perfect splicing and installation progress of the guardrail. The preparation work before installation should be done well, check whether the ty...
Why is it said that the wave guardrail is the life protection line on the highway?
2021-07-09
As a highway anti-collision facility, highway guardrails are mainly used to prevent out-of-control vehicles from rushing out of the road. They are generally made of galvanized steel plates, and different specifications are used according to different high...
How to install the guardrail in the curved road area
2021-07-02
Guardrail products are generally straight, which is difficult to install in curved roads, but curved roads are inevitable in road construction, so how to install curved waveform guardrails? If your road curvature is not very large, you can use adjustment ...
Highway guardrail can protect the safety of out-of-control vehicles and occupants and reduce the severity of the accident
2021-06-25
The waveform of the highway guardrail has a certain arc, which can decompose the force into two directions. The moment the vehicle collides with the guardrail, the force of the vehicle can be decomposed into lateral force and longitudinal force. ...
Quality control point of galvanized wave guardrail
2021-06-18
1. When we are in production and processing, we need to stake out first, make the template, and the template needs to be produced strictly according to the customers needs. 2. The extrusion deformation process of the wave guardrail: the guardrail board is...