Hot-dipped Galvanized Guardrail Systems: Beams, Posts and Terminal Sections

Hot dipped galvanized guardrails are durable system that can provide long time protection to the highway vehicles. The complete system is usually composed with beams (w beam or thrie beams), galvanized posts and hot dipped terminal ends. The anti-collision safety grades are: A/B/SA/SB/SS.

Popular size SciSe exports:
Corrugated steel plate beams: Two-wave profile: mm×310mm×85mm×3/4mm; Three-wave profile: mm×506mm×85mm×3/4mm
Matching posts for two-wave: 114/140mm×4.5mm
Upright posts for three-wave: 130mm×6mm, 140mm×4.5mm
Anti-collision grade: A/B/SA/SB/SS

Applied Standards for Manufacture and Quality Control: JT/T281-(Corrugated Sheet Steel Beams For Expressway Guardrail - China), AASHTO M-180(Corrugated Sheet Steel Beams For Highway Guardrail - USA), RAL-RG620 (German) or any other International Standards.

Hot dipped galvanized steel guardrails are considered the effective safety barriers for highway, expressway and bridges. With thick zinc coating surface, the galvanized w beams or thrie beams offer excellent corrosion resistance and rust resistance property. The long service life it offers renders the cost for the high standard galvanizing.

You will get efficient and thoughtful service from DACHU.

Hot Dip Galvanized straight Guardrails with Steel End Rings:

Steel Guardrails straight, 3.8Mx2.6MM, finish: complete-hot Dip Galvanized, Heavy Zinc Plating Anti corrosion protection
Steel end wing: 3.8Mx2.6MM, finish: hot Dip Galvanized Anti corrosion protection

Guardrail, beams, posts, before installation:

Guardrail barrier system installed, in practical project:

Base Steel: Steel Grade Q235B (equivalent to S235JR according to DIN EN and Gr. D according to ASTM A283M) or Q345 (S355JR / ASTM A529M ).

The thickness of the Steel: 3mm, 4mm, 6mm or according to consumers&#; request.

Surface Treatment: Hot dip galvanized or Power coated.

The Thickness of Galvanizing (Double Sides): 550g/m2 (40µ) or g/m2 (80µ) or g/m2 (85µ) or as per your request.

Certificate: ISO, ISO, SGS, CE.

Features: Great corrosion resistant, high intensity, long and durable, with good impact resistance, low cost, long life, higher security, environmental protection, etc.

Other special specification as per client's requirement or drawings.

System Advantages
- The barriers ensure minimum damage to the vehicle and its occupants.
- During collision, the beam absorbs maximum energy by flattening out laterally and restrains the vehicle from veering over.
- Prevents the vehicle from skidding back onto the carriageway by controlling exit angles through gradual deceleration and effective redirection of the vehicle back on to the road.
- Enables quick repairs in case of accidents.
- All components are galvanized for longer life.

Beam Types Photo Illustration:

1.Two-wave Corrugated Steel Beams 2. Three-wave Corrugated Steel Beams

Ordering Information:

Hot Dipped Zinc Plated Steel Beam Highway Guardrail Basic Information Material high grade steel plate Country of Origin China Certificate ISO,CE Supply Ability 400,000MT per year Techniques Surface Treatment Hot-dipped galvanized Zinc Coating 60g/square meter-220g/square meter Product specifications Raw material Q235, Q345 Thickness 4mm or various international standards Thickness Tolerance :+/-0.015mm Wave Width 506mm Width Tolerance +/-0.015mm Wave height 85mm Length mm Theoretical Weight 50 kg/pc PaymentTems PaymentTems 30% T/T as deposit in advance, and 70%T/T before loadingL/C Package & Delivery Minimum Order Quantity 10 tons Package Standard sea worthy packing Delivery 10-20 days after deposit or L/C arrive in our bank. Shipment By bulk vessel

Road Traffic Control Projects:

Galvanized Steel Highway Guardrails in Use

Fittings for the System:
SciSe offers hot dipped galvanized brackets, block spacers, posts and terminals to compose the whole highway barrier system. All surface treatment is hot dipped zinc plating. See photos below.

W beam highway guardrail is a metal barrier placed on the side of a roadway to prevent vehicles from colliding with dangerous obstacles or terrain. It is typically made of galvanized steel and consist of a series of W-shaped beams that are connected by bolts and supported by posts. The W-shaped design allows for the guardrail to absorb the impact of a collision and redirect the vehicle away from danger.

Construction of W Beam Highway Guardrail

The construction of W beam highway guardrail is a relatively simple process that involves several steps:

Step 1: Site Preparation

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The first step in constructing a W beam highway guardrail is site preparation. This involves clearing the area where the guardrail will be installed and preparing the foundation for the guardrail posts.

Step 2: Post Installation

The next step is post installation. The guardrail posts are typically set in concrete and spaced according to the design specifications.

Step 3: Beam Installation

Once the posts are installed, the W-shaped beams are installed between the posts and bolted in place.

Step 4: End Treatment Installation

The final step in constructing a W beam highway guardrail is the installation of the end treatments. This involves attaching the energy-absorbing end terminals or flared end sections to the ends of the guardrail.

Benefits of W Beam Highway Guardrail

W beam highway guardrails offer several benefits, including:

Cost-effectiveness

W beam highway guardrails are relatively inexpensive compared to other options, making them a popular choice for many roadways.

Durability

W beam highway guardrails are made of galvanized steel, making them resistant to corrosion and other types of damage.

Effectiveness

W beam highway guardrails are effective in preventing vehicle collisions and reducing the severity of injuries in the event of a collision.

Improvements in W Beam Highway Guardrail Design

Over the years, there have been several improvements in the design of W beam highway guardrails to address some of the drawbacks. For example, the use of breakaway posts has been implemented to reduce the severity of impacts and decrease the risk of injury. Additionally, the use of high-tension cable barriers has been introduced to provide a more flexible and effective solution for preventing vehicle collisions.

Installation Challenges of W Beam Highway Guardrails

While the installation process for W beam highway guardrails is relatively straightforward, there are still some challenges that can arise. One of the main challenges is ensuring that the guardrail is installed correctly to provide maximum protection. This requires careful attention to detail during the installation process and regular inspections to ensure the guardrail remains effective.

The W beam highway guardrail is an essential safety feature that enhances road safety by reducing the severity of accidents and protecting motorists and pedestrians from hazardous objects. Its simple design and ease of installation make it a cost-effective option for many road safety projects. However, regular maintenance and inspection are crucial to ensuring its effectiveness in preventing accidents and minimizing the risk of injury or death.

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