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Safe-Direction Ramshield - Model Edge -Guardrail Barrier
RAMSHIELD Edge is an engineered solution, designed for attachment to RAMSHIELD High Containment for installations on the hinge point of weak batters. RAMSHIELD Edge uses an innovative below-ground pin to restrain lateral movement of the guardrail post, allowing the post to yield by bending proximate to ground level, replicating post performance in flat, well-compacted terrain.
The RAMSHIELD® Edge pin is anchored in front of the barrier system therefore not relying upon lateral support behind the post. This restraint mechanism is independent of soil type, compaction level or batter geometry behind the post. The capacity of the restraining pin can be validated by performing onsite dynamic load impacts using Safe Direction’s THOR machine.
Crash test evaluation:
- Crash tests performed on the hinge point of a 1:1 weak soil embankment
- 2270kg Pick-up Truck travelling at 100km/h & 25 degrees (MASH 4-11)
- 10,000kg Rigid Truck travelling at 90km/h & 15 degrees (MASH 4-12)
Austroads acceptance:
- Approved Variant of RAMSHIELD® High Containment
Approved connections:
- Accepted by the Austroads Safety Barrier Assessment Panel (ASBAP)
- Complies with MASH TL4 and MASH TL3
- Complies with AS/NZS 3845.1 Road Safety Barrier Systems & Devices
- MASH TL3 Deflection: 0.9m
- MASH TL4 Deflection: 1.6m
- Restraining pins did not move and were reusable following design impacts