Highway Guardrail
HIGHWAY GUARDRAIL
HIGHWAY GUARDRAIL is the most widely specified safety barrier system around the world. It is mainly constructed of steel posts that hold up a w-beam rail portion. The flexural resistance of the rail and the bending resistance of the posts work together to provide safe vehicle confinement and redirection. Also installed alongside roads to stop accidents and minimize damage. AMF is manufacturing all types of highway guardrails that comply with Saudi Ministry of Transport and logistic services (MOT) standers and international standers.
Types Of HIGHWAY GUARDRAIL:
- W-Beam Guardrail.
- Three-Beam Guardrail.
- Cable Barrier.
- Double railing guardrail.
Parts of HIGHWAY GUARDRAIL W-Beam:
Railing beam:
Made of galvanized steel W beam, 310 x 81 mm with a thickness of 2.74 up to 3.58 mm and effective length 3810 mm (real length 4130mm). As per AASHTO M180, Class A
post:
Made of galvanized steel C, U or H post, with dimensions of 150x100x5mm, and a length of 1830mm as per ASTM A 36.
Spacer Post:
Made of galvanized steel C, U or H post, with dimensions of 150x100x5mm, and a length of 350mm as per ASTM A 36.
Back-up plate:
Made of galvanized steel W beam, 310 x 81, with a thickness of 2.67 or 3 mm, and length of 300 mm. As per AASHTO M180, Class A.
Fasteners:
- Flat Plate Washer with reflector
- M16*35（mushroom head)
- M16*45（mushroom head)
- M16*50 (Hex head)
Bolts as per ASTM A307 & Nuts shall conform to ASTM A 563 Grade A
End terminals:
- Fish tails (type A).
- Terminal Type B, C, D, E, F.
- Anchor terminal type 1, 2, 3, 4, 5.
Application:
- Hazard area around highways.
- Curved highways.
- Separation of highways
- walkway protection
- Barriers between the transformer and workstation.
Finishes:
- Railing: galvanized as per AASHTO M180 Type II
- Post: Hot Dip galvanizing as per ASTM A-12
- Fasteners: Hot Dip galvanizing as per M232M/M232 Class C (AASHTO M180)/ASTM A 153
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