SHENZHEN QIANHAI QIAOCHU INTERNATIONAL TRADING CO., LTD. China
Manufacturer Trader Exporter Association
send
question_answer
badge
Fencing and Guard Rails Products
According to the introduction of highway guardrail boards, guardrail boards can be divided into two grades: Grade A and Grade B, Grade A is used for highways, and Grade B is used for county and township roads. The main form of guardrail - semi-rigid guardrail. It is a continuous structure with corrugated steel guardrails spliced together and supported by main columns. The function of this mechanism is to buffer and absorb the energy generated by vehicle collision, so that the vehicle can move in the right direction. So as to avoid the occurrence of traffic accidents.
品牌:  制造商

1. Hot galvanizing - hot galvanizing is a common surface treatment method for high-speed expressway

 

 

 

2. Cold galvanizing and plastic spraying - Cold galvanizing and plastic spraying are generally used in rural or mountain roads. Compared with hot galvanizing, this kind of surface treatment has lower cost and beautiful appearance.

 

 

 

3. Hot galvanizing and plastic spraying - hot galvanizing and plastic spraying is one of the three with good corrosion resistance. This surface treatment is mostly used in harsh environments. The guardrail board of Henan Glaris Expressway is widely used in Heilongjiang and northern Liaoning of China.

 

 

 

According to the introduction of highway guardrail boards, guardrail boards can be divided into two grades: Grade A and Grade B, Grade A is used for highways, and Grade B is used for county and township roads. The main form of guardrail - semi-rigid guardrail. It is a continuous structure with corrugated steel guardrails spliced together and supported by main columns. The function of this mechanism is to buffer and absorb the energy generated by vehicle collision, so that the vehicle can move in the right direction. So as to avoid the occurrence of traffic accidents.

 

 

 

The highway guardrail has a high requirement of Class A, and the national specification: it is the transportation industry standard of the People's Republic of China JTT 281-2007 corrugated beam steel guardrail for highways. The specification specifies that the thickness of the guardrail plate is 4.0, the specification of the column is 140 * 4.5, and the height of the column for piling is usually 2150, and the height of the concrete embedded is generally 1100. Connect with anti blocking block. Bolt is 45 # steel, AB anti-theft, column cap thickness is 3.0, and gasket is 4.0.

Help Center

Legal Consulting

support_agent
Support

share
Social Share