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Portable Steel Barrier vs
Portable Concrete Barrier
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Used as channelizing devicesVisual awareness only
Do not prevent penetration into work areas
Delineation Devices
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Without Positive Barrier Protection –
Motorist and Worker Safety Suffers
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Motorists Exposed to Heavy Equipment
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Motorists and Workers Expect and Deserve Safe Construction and Maintenance Work Zones
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Positive Barrier Protection Needed For Worker and Motorist Safety
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POSITIVE PORTABLE BARRIER PROTECTION IS NEEDED
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Types of Work Zone Barriers
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In North America, Portable Concrete Barrier has traditionally been used
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In Europe, Portable Steel Barrier is used in place of Portable Concrete Barrier.
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Why choose one over the other?
Portable Concrete & Portable Steel
Barriers both provide positive
protection
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Portable Concrete Barrier Provides Excellent Positive Protection
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Portable Steel Barrier Also Provides Excellent Positive Protection
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Why choose one over the other?
Portable Concrete & Portable Steel
Barriers both provide positive
protection
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In North America, Portable Concrete Barrier is readily available with a low initial price (at times it is free to the contractors
because it is owned by the DOT)
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In North America, Portable Concrete Barrier is readily available with a low initial price (at times it is free to the contractors
because it is owned by the DOT)
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A trained crew can quickly install Portable Concrete Barriers
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A trained crew can quickly install Portable Concrete Barriers
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A trained crew can quickly install Portable Concrete Barriers
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A trained crew can quickly install Portable Concrete Barriers
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Due to its weight, Concrete Portable Barrier will have reduced deflection
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Some Portable Concrete Barriers Are Designed for Very Low Deflection
NCHRP Report 350, Test Level 3 (100 km/h, 2000 kg, 25 degrees)
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Concrete Portable Barrier Will Have Reduced Deflection
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After a design impact, Concrete Portable Barrier may need little or no maintenance
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Technology exists that allows contractors to easily move the Portable Concrete Barrier
Safely Expand the Work Zone to Accelerate Construction and Relieve Congestion
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Moveable Barrier for Bridge Construction
Moveable barrier quickly reconfigures the roadway to provide more lanes in the peak traffic direction.
This allows a larger construction work zone, which accelerates construction and eliminates stages.
Moveable Barrierto manage traffic flow
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This provides contractors a wider area to complete their work
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Open All Lanes for Peak Traffic Periods
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this gives motorists the lanes they need
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Traffic is disrupted during paving. Temporary ashphalt costs can be very expensive
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Traffic is disrupted during paving. Temporary ashphalt costs can be very expensive
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Safe Work AreaAdjustable Traffic Flow
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Maximizing Traffic Flow and Construction Space/Efficiency
AM – 3 Lanes In, 2 Lanes Out
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Maximizing Traffic Flow and Construction Space/Efficiency
PM – 2 Lanes In, 3 Lanes Out
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Maximizing Traffic Flow and Construction Space/Efficiency
AM – 3 Lanes In, 2 Lanes Out PM – 2 Lanes In, 3 Lanes Out
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There are some negative issues regarding Portable Concrete Barrier
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Portable Concrete Barrier is limited by road weight restrictions
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This can make the cost of transport very expensive, especially in Europe
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This becomes a bigger issue if multiple moves are required on a project
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100 km/h, 2000 kg, 25 degrees
Impacts into concrete barrier can be violent
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Impacts into concrete barrier can be violent
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Portable Steel Barriers provide similar positive protection for workers and
motorists as Portable Concrete Barrier
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Depending on the anchoring, the deflection characteristics for some
Portable Steel Barriers can be as low as or lower than Portable Concrete Barrier
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Depending on the anchoring, the deflection characteristics for some
Portable Steel Barriers can be as low as or lower than Portable Concrete Barrier
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The initial price of Portable Steel Barriers typically will be much higher than
Portable Concrete Barriers
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While the initial price of a Potable Steel Barrier will be greater than Portable
Concrete Barrier…
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Portable Steel Barrier has a cost savings advantage over Portable Concrete Barrier when comparing transportation costs due to weight
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Portable Steel Barrier Can Be Close Packed
More than 600 feet of barrier can be moved on one truck
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Four to five times more Portable Steel Barrier can be transferred on a truck
compared to Portable Concrete Barrier
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Installation / RemovalA team of 3 trained operators can install up to 1000 ft. (300 m) per
hour
Connect the first Mid Section to the End Terminal A trained crew can quickly install Portable Steel Barriers
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Installation / RemovalA team of 3 trained operators can install up to 1000 ft. (300 m) per
hour
Connect the first Mid Section to the End Terminal It is possible to install up to 1000 feet of Portable Steel Barrier in an hour
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Installation / RemovalA team of 3 trained operators can install up to 1000 ft. (300 m) per
hour
Connect the first Mid Section to the End Terminal A trained crew can quickly install Portable Steel Barriers
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Portable Steel Barriers are very durable
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Portable Steel Barriers are very durable
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Portable Steel Barrier can be configured to match traffic and work area needs
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13,000 kg, 70 km/h, 20 degrees (EN1317, H2 Test)
Some Portable Steel Barriers have been tested beyond TL-3 (TL-4 and H-2)
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13,000 kg, 70 km/h, 20 degrees (EN1317, H2 Test)
Some Portable Steel Barriers have been tested beyond TL-3 (TL-4 and H-2)
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Minimal, if any maintainance is required after a design impact into a
Portable Steel Barrier
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System Can Be Moved 4 Ways:Because some Portable Steel Barriers are on wheels, their
flexibility makes their use very efficient
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Portable Steel Barrier Can Be Moved in Many Ways:
• Manually by Hand
• Fork Lift or Front Loader
•Pickup Bumper Wheel
• Towed With Pickup
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Portable Steel Barrier Can Be Moved in Many Ways:
• Manually by Hand
• Fork Lift or Front Loader
•Pickup Bumper Wheel
• Towed With Pickup
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Portable Steel Barriers can be moved by hand
Moving Single Sections Moving Multiple Sections
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System Moves Over Rough,Uneven Terrain
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Portable Steel Barrier Can Be Moved in Many Ways:
• Manually by Hand
• Fork Lift or Front Loader
•Pickup Bumper Wheel
• Towed With Pickup
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Portable Steel Barriers can be moved with a Fork Lift or
Front Loader
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Portable Steel Barriers can be moved with a Fork Lift or
Front Loader
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Portable Steel Barrier Can Be Moved in Many Ways:
• Manually by Hand
• Fork Lift or Front Loader
•Pickup Bumper Wheel
• Towed With Pickup
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Portable Steel Barriers can be moved with a Pickup Bumper Wheel System
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Portable Steel Barriers can be moved with a Pickup Bumper Wheel System
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Portable Steel Barrier Can Be Moved in Many Ways:
• Manually by Hand
• Fork Lift or Front Loader
•Pickup Bumper Wheel
• Towed With Pickup
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Towing with a Truck
Towing to Next Work Area Moves Laterally or Longitudinally
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Towing with a TruckA standard pickup truck can pull up
to 225 of barrier at a time
Towing to Next Work Area Moves Laterally or Longitudinally
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Portable Steel Barrier Can Be Moved in Many Ways:
• Manually by Hand
• Fork Lift or Front Loader
• Pickup Bumper Wheel
• Towed With Pickup
• Moved with a Bobcat
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Moving Laterally with a Bobcat
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Flexibility and Ease of Use of Steel Portable Barrier
Towing Into Work Area Work Area Easily Set Up
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According to AASHTO, over 150,000 bridges in the United States are structurally deficient or obsolete
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BRIDGE REHABILITATION• One of the top FHWA priorities in
2009
• Excess of One Billion US dollars in the pipeline for bridge rehabilitation
• Every state has structurally deficient bridges
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Two major concerns during bridge rehabilitation
DEAD LOAD WEIGHT & DECK PENETRATION
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DEAD LOAD WEIGHTPortable Steel BarrierPortable Concrete Barrier
600 ft (183 m) bridge deck
60 lbs (27 kg) per ft (304mm)
36,000 lbs (16,329 kg)
600 ft (183m) bridge deck
450 lbs(204 kg) per foot (304mm)
270,000 lbs (122,470
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DEAD LOAD WEIGHTPortable Steel BarrierPortable Concrete Barrier
600 ft (183 m) bridge deck
60 lbs (27 kg) per ft (304mm)
36,000 lbs (16,329 kg)
600 ft (183m) bridge deck
450 lbs(204 kg) per foot (304mm)
270,000 lbs (122,470
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This weight differential could be critical on a bridge repair job
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MINIMAL DECK PENETRATION usingHiltiTM mechanical anchors (16mm)
• Shallow embedment depth of 3.94 inches (100 mm)
• No epoxy for quick installation
• Pull out strength greater than 20,000 pounds (9072 kgs)
• Shear strength of 26,777 pounds (12,146 kg)
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Portable Steel Barrier use during repair of bridge railing
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Two major concerns during bridge rehabilitation
DEAD LOAD WEIGHT & DECK PENETRATION
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Two major concerns during bridge rehabilitation
DEAD LOAD WEIGHT & DECK PENETRATION
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Why choose one over the other?
Portable Concrete & Portable Steel
Barriers both provide positive
protection
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Positive Protection PLUS PLUS
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Positive Protection PLUS PLUSInitial Price PLUS MINUS
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Positive Protection PLUS PLUSInitial Price PLUS MINUSQuick Install PLUS PLUS+
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Positive Protection PLUS PLUSInitial Price PLUS MINUSQuick Install PLUS PLUS+Low Deflection PLUS PLUS*with anchoring
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Positive Protection PLUS PLUSInitial Price PLUS MINUSQuick Install PLUS PLUS+Low Deflection PLUS PLUS*with anchoringMaintenance PLUS+ PLUS
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Positive Protection PLUS PLUSInitial Price PLUS MINUSQuick Install PLUS PLUS+Low Deflection PLUS PLUS*with anchoringMaintenance PLUS+ PLUSDurability PLUS PLUS+
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Positive Protection PLUS PLUSInitial Price PLUS MINUSQuick Install PLUS PLUS+Low Deflection PLUS PLUS*with anchoringMaintenance PLUS+ PLUSDurability PLUS PLUS+Movable PLUS PLUS
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Positive Protection PLUS PLUSInitial Price PLUS MINUSQuick Install PLUS PLUS+Low Deflection PLUS PLUS*with anchoringMaintenance PLUS+ PLUSDurability PLUS PLUS+Movable PLUS PLUSTransport Costs MINUS- PLUS
![Page 132: STEEL AND CONCRETE PORTABLE BARRIER PRESENTATION · 2018-02-20 · Microsoft PowerPoint - STEEL AND CONCRETE PORTABLE BARRIER PRESENTATION Author: Mike.Dreznes Created Date: 3/12/2009](https://reader034.vdocument.in/reader034/viewer/2022042315/5f03878c7e708231d40981d0/html5/thumbnails/132.jpg)
Positive Protection PLUS PLUSInitial Price PLUS MINUSQuick Install PLUS PLUS+Low Deflection PLUS PLUS*with anchoringMaintenance PLUS+ PLUSDurability PLUS PLUS+Movable PLUS PLUSTransport Costs MINUS- PLUSFlexibility MINUS PLUS+
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Positive Protection PLUS PLUSInitial Price PLUS MINUSQuick Install PLUS PLUS+Low Deflection PLUS PLUS*with anchoringMaintenance PLUS+ PLUSDurability PLUS PLUS+Movable PLUS PLUSTransport Costs MINUS- PLUSFlexibility MINUS PLUS+Curves MINUS PLUS
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Positive Protection PLUS PLUSInitial Price PLUS MINUSQuick Install PLUS PLUS+Low Deflection PLUS PLUS*with anchoringMaintenance PLUS+ PLUSDurability PLUS PLUS+Movable PLUS PLUSTransport Costs MINUS- PLUSFlexibility MINUS PLUS+Curves MINUS PLUSTL-3 + MINUS PLUS
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Positive Protection PLUS PLUSInitial Price PLUS MINUSQuick Install PLUS PLUS+Low Deflection PLUS PLUS*with anchoringMaintenance PLUS+ PLUSDurability PLUS PLUS+Movable PLUS PLUSTransport Costs MINUS- PLUSFlexibility MINUS PLUS+Curves MINUS PLUSTL-3 + MINUS PLUSBridge Weight MINUS PLUS+
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Positive Protection PLUS PLUSInitial Price PLUS MINUSQuick Install PLUS PLUS+Low Deflection PLUS PLUS*with anchoringMaintenance PLUS+ PLUSDurability PLUS PLUS+Movable PLUS PLUSTransport Costs MINUS- PLUSFlexibility MINUS PLUS+Curves MINUS PLUSTL-3 + MINUS PLUSBridge Weight MINUS PLUS+Availability PLUS *in USA MINUS *in USA
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Positive Protection PLUS PLUSInitial Price PLUS MINUSQuick Install PLUS PLUS+Low Deflection PLUS PLUS*with anchoringMaintenance PLUS+ PLUSDurability PLUS PLUS+Movable PLUS PLUSTransport Costs MINUS- PLUSFlexibility MINUS PLUS+Curves MINUS PLUSTL-3 + MINUS PLUSBridge Weight MINUS PLUS+Availability PLUS *in USA MINUS *in USA
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Portable Steel Barrier vs
Portable Concrete Barrier