G4 W-Beam System

W-Beam is the most common roadside crash barrier in use in Australia, Roll formed from coil steel and sheared to length.

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G4 W-Beam
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G4W Beam System Incline Roadside

Description

G4 W-Beam is a semi-rigid W shape section galvanised steel highway barrier.

ACP supplies two standard types of W-Beam guardrail, 4.0m NLL Standard Panel and 5.0m NLL Standard Panel.

W-Beam is available ex-stock in standard effective lengths of 4.00 metres and 2.00 metres for NSW, SA, QLD, WA, NT, ACT and 5.00 metres and 2.50 metres for Victoria and Tasmania only.

Features

W-Beam (once roll formed) is punched, slotted and hot dip galvanised in accordance with AS/NZS 3845 and local state guardrail specifications.

Curved W-Beam

The standard straight section will align to give a smooth transition on curves with a radius greater than 45m. Pre-curved W-Beam is required for tighter radii and may be curved to traffic face concave or convex.

Specifications

Specifications differ between States, refer to technical drawings and to the local specifications and drawings register for your local state road authority available online.

    Standards and Approvals

    GF4 W-Beam complies with the requirements of:

    • AASHTO,  AS/NZS 3845 – Road safety barrier systems.  
    • Approved for use by Australian State Road Authorities.