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Safe-Direction HammerBeam - Bridge & Culvert Barrier
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Hammerbeam combines the strength of thrie-beam guardrail with the yielding behaviour of the RamShield W-Beam post for longitudinal barrier installations along the edge of elevated structures such as culverts or bridges.
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The RamShield® post is designed to collapse upon impact distinguishing it from heavier, rigid post systems which become problematic when attached to concrete structures. The yielding performance of the RamShield® post reduces forces transferred to the elevated structure preventing damage and facilitating ease of repair.
Crash test evaluation:
- Crash tests performed on the edge of an elevated concrete beam
- Crash tested with and without a 200mm high hob
- 1100kg Passenger Car travelling at 100km/h & 25 degrees (MASH 3-10)
- 2270kg Pick-up Truck travelling at 100km/h & 25 degrees (MASH 3-11)
Austroads Acceptance
Approved Connections
Approved Variations
- Side mount posts
- Base plate posts
- Accepted by the Austroads Safety Barrier Assessment Panel (ASBAP)
- Complies with MASH TL3
- Complies with AS/NZS 3845.1 Road Safety Barrier Systems & Devices
- Complies with AS 5100.1 Bridge Design (Low Performance Barriers)
- Available with side mount or baseplate posts
- Side mounting aligns the face of the thrie-beam rail with the edge of the elevated structure maximising usable bridge and culvert width
- Simple replacement of posts following design impacts
- Use of standard components eliminates the requirement for bespoke designs
- Narrow width: just 180mm
- Standard post spacing: 2m centres