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6TH ANNUAL CONFERENCE
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The Use of Temporary Steel Barriers in Construction Zones
By Don PydeProduct Manager
Trinity Highway Products
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What is Temporary Steel Barrier?
Typically:• Rugged• Lightweight (When compared to
concrete or water-filled barrier)• Galvanized Steel• Easy to move• Flexible applications
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Examples
• Vulcan• Zoneguard• ArmorGuard• BarrierGuard 800
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Physical Characteristics
• Galvanized Steel• Typically 32” Tall• Multiple Lengths – 13.5’ to 50’• Weight typically 60-70 lbs./foot• Various Connections (Pins, Bolts, Interlocking)• Very Durable• 15-20 Year Useful Life
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Standards
• NCHRP 350 – TL-3 (62mph)– TL-4 (large truck)
• MASH– TL-3 (62mph)– TL-4 (large truck)
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Why use Temporary Steel Barrier?
• Safety– Steel Barrier offers positive protection
• Reduce Congestion– Steel Barrier allows for dynamic lane closures – Steel Barrier allows for rapid repositioning
• Lower transport costs– 600-750 linear feet/truckload vs 120 linear feet of concrete barrier
• Speed– Deployment speeds of up 1000’/hour
• Ease of movement in the workzone• Durability
– 15-20 year useful life vs. 5-10 with concrete
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Unique Features
• Wheeled Barrier– Allows for positioning
and movement by hand– Allows for towing
laterally down the work zone.
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Unique Features
• Gates - Easily create openings in medians or runs of temporary barrier
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Unique Features
• Movable Barrier
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Applications
• Highway and road construction zones– Fixed– Changing/Moving– Short Term or Off-Peak Traffic
• Bridge Repair– Decks– Piers
• Sign – Roadside structure repair• Median or Barrier Gate Openings• Emergency Crossovers
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Typical Deployments
Traffic
Work Zone
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Typical Deployments
Traffic
Traffic
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Special Deployments - Movable
Direction of Traffic
Direction of Traffic
Work Zone
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Considerations
• Deflection– Steel barrier has less mass than concrete–Vendors have different anchoring
requirements for various workzone configurations–Deflections range from 1” to 13’.
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Considerations
• End Treatments– End treatments are required where a blunt-
end hazard exists
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Steel Barrier Summary
• Provides Safety for Workers• Mitigates congestion• Lightweight• Easy to move to and within the workzone• Can put 6 times as much on a truckload
compared to concrete• Saves on costs!!
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