Transportation products

August 2006 » New & Noteworthy
Developments in transportation products and services.
CE News Staff

Slab bridge design

The Concrete Reinforcing Steel Institute (CRSI) offers Slab Bridge Designer 2.0, a major upgrade of its slab bridge design analysis software.

The software, created for steel-reinforced concrete slab bridge design, provides analysis based upon materials, bridge geometry, and Load Resistance Factor Design (LRFD) inputs that meet new American Association of State Highway Transportation Officials (AASHTO) bridge durability specifications. Slab Bridge Designer 2.0 leads designers through 12 screens—eight input and four output.

The software displays analysis results in graphical, tabular, and XML formats.

Concrete Reinforcing Steel Institute
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Stormwater infiltration

The Atlantis Stormwater Purification and Reuse System for Roads (SPARSR) is an integrated infiltration system that treats contaminated road stormwater and makes treated water available for reuse or for recharging groundwater. The Atlantis Drainage Cell is used as a base component for the roadway profile, making the roadway permeable; pavement is laid on top of the drainage cell.

Stormwater can infiltrate through the roadbase to the drainage cell and be channeled away to subsurface detention tanks; or runoff to the road's side, captured in a subsurface channel, and then drained to a tank.

Atlantis Corporation
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Attenuator adjusts to vehicle impact

Work Area Protection Corporation offers the Smart Cushion Innovations (SCI) speed-dependent attenuator, which varies stopping resistance during an impact. The SCI attenuator allows lighter and slower-moving vehicles to have longer ride-down distances and lower ride-down G forces, while ramping up for heavier and faster-moving vehicles. The attenuator also has a low angle of exit on side impacts, which keeps the vehicle from deflecting back into traffic. The SCI attenuator meets all National Cooperative Highway Research Program 350 tests for Test Level II and III.

Work Area Protection Corporation
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Railroad crossing gate

Quixote Transportation Safety, Inc.'s StopGate Vehicle Arresting System for railroad crossings is accepted by the Federal Highways Administration as a National Cooperative Highway Research Program 350 TL-2 attenuator that can stop a 4,410-pound pickup truck traveling at 44 mph in as little as 13 feet away. The gate is designed for standard, vertical-to-horizontal arm deployment for applications with limited space. The StopGate System has a positive locking device at each end of the arm to secure the gate across the roadway. The locking mechanism at the far end of the gate arm is located on the side of the roadway.

Quixote Transportation Safety, Inc.
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Roadway trench drains

ACO Polymer Products recently introduced its ACO ROAD system of trench drain products for surface drainage on highways, urban roads, and bridges. The ACO ROAD family of products includes TraffikDrain, a trench drain system that is installed on the side of the road, running parallel to the traffic. TraffikDrain uses grates with large liquid-intake slots and a smooth internal polymer concrete cavity, which according to the company, provides excellent hydraulic performance. TraffikDrain's integrally cast-in rail and secured ductile iron grates withstand loadings of fast-moving vehicles, ACO says.

ACO Polymer Products, Inc.
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Airside design software

AeroTURN Pro, an airside design program developed by Transoft Solutions, simplifies the process of designing and evaluating apron clearances and passenger boarding bridge layouts.

The program incorporates components to accommodate the class of new large aircraft such as the Airbus A380, as well as aircraft such as Boeing's 787 Dreamliner. Users can analyze existing infrastructure to determine its compatibility with the new aircraft types. AeroTURN Pro's inclusive bridge model library allows designers to verify multiple bridge-to-aircraft slope calculations, rotunda locations, and parked aircraft positions along lead-in lines. The program can evaluate clearance at aircraft stands, aprons, taxiways, and runways.

Transoft Solutions
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