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Evaluation of the Tensar ARES Retaining Wall System

Author: Highway Innovative Technology Evaluation Center (U.S.)

Publisher: ASCE Publications

Published: 1997-01-01

Total Pages: 148

ISBN-13: 9780784474365

Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report evaluates the ARES Retaining Wall System, manufactured by Tensar Earth Technologies, Inc., to determine its basic capabilities and limitations for use as a technically viable, precast, mechanically stabilized earth structure. The evaluation was conducted based on design, construction, performance, and quality assurance information outlined in the HITEC Protocol. The ARES System features segmental precast concrete facing panels five feet high by nine feet wide (1.52 mØby 2.74 m) and high-density polyethylene geogrid soil reinforcement, which is connected to the facing panels using a newly developed slot connection method.

Evaluation of the SSL MSE Plus Retaining Wall System

Author: Highway Innovative Technology Evaluation Center (U.S.)

Publisher: ASCE Publications

Published: 2001-01-01

Total Pages: 152

ISBN-13: 9780784474716

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Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF service center. This report describes a HITEC evaluation designed to determine the basic capabilities and limitations of the MSE Plus System, manufactured by SSL, LLC, for use as a mechanically stabilized earth retaining system. The evaluation was conducted based on material, design, construction, performance, and quality assurance information outlined in the HITEC Protocol. TheØMSE PlusØSystem features rectangular segmental precast concrete facing panels and galanized welded wire, grid-type soil reinforcement.

Evaluation of the Keysystem I Retaining Wall

Author: Highway Innovative Technology Evaluation Center (U.S.)

Publisher: ASCE Publications

Published: 2000-01-01

Total Pages: 136

ISBN-13: 9780784474853

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Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Innovation Center. This report describes an evaluation to determine the capabilities and limitations of the KeySystem I Retaining Wall System, a mechanically stabilized earthØstructure developed, designed, and supplied by Keystone Retaining Wall Systems, Inc. The evaluation was conducted based on design, construction, performance, and quality assurance information outlined in the HITEC Protocol. KeySystem I features modular block facing to which KeyStrips are attached. KeyStrips are structural welded wire, grid-type reinforcement produced from high-strength steel.

Summary of Evaluation Findings for 30-meter Handheld and Mobile Pavement Marking Retroreflectometers

Author: Highway Innovative Technology Evaluation Center (U.S.)

Publisher: ASCE Publications

Published: 2001-01-01

Total Pages: 84

ISBN-13: 9780784474891

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Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Innovation Center. This report summarizes the results of detailed evaluations performed on four handheld and two mobile pavement marking retroreflectometers. The evaluations were designed to test the measurement bias, repeatability, and reproducibility of handheld and mobile retroreflectometers produced by several manufacturers.

Evaluation of the Inter-Lok Retaining Wall System

Author: Highway Innovative Technology Evaluation Center (U.S.)

Publisher: ASCE Publications

Published: 2002-01-01

Total Pages: 130

ISBN-13: 9780784475102

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Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF/IIEC Innovation Center. This report describes a HITEC evaluation designed to determine the basic capabilities and limitations of the INTER-LOK System for use as a technically viable, precast mechanically stabilized earth retaining wall system. The evaluation was conducted based on design, construction, performance, and quality assurance information outlined in the HITEC Protocol. The INTER-LOK System features a cross-shaped, segmental precast concrete facing panel connected to metallic rebar and anchor plate type of soil reinforcement attached to the facing panels by a keyplate that interlocks with the facing panels.

Evaluation Findings for Tekton, Inc., Steel Rubber Bearings

Author: Highway Innovative Technology Evaluation Center (U.S.)

Publisher: ASCE Publications

Published: 1998-01-01

Total Pages: 52

ISBN-13: 9780784474501

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Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report summarizes the results of a detailedØevaluation of steel rubber bearings,Ømanufactured by Tekton, Inc. The report is part of a program to test the performance of 11 seismic isolators and dampers produced by several manufacturers. The devicesØwere tested for stability, response during earthquake simulations, and fatigue and weathering effects.

Evaluation of the Maccaferri Terramesh System Retaining Wall

Author: Highway Innovative Technology Evaluation Center (U.S.)

Publisher: ASCE Publications

Published: 2002-01-01

Total Pages: 94

ISBN-13: 9780784475201

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Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF/IIEC Innovation Center. This report describes a HITEC evaluation designed to determine the basic capabilities and limitations of the Terramesh Retaining Wall System for use as a technically viable, mechanically stabilized earth, retaining wall system. The evaluation was conducted based on material, design, construction, performance, and quality assurance mainformation outlined in the HITEC Protocol. The Terramesh System, supplied by Maccaferri, Inc.,Øfeatures a Gabion basket facing of various configurations and metal double-twisted grid type of soil reinforcement, which is manufactured integrally with the basket facing blocks.

Summary of Evaluation Findings for the Testing of Seismic Isolation and Energy Dissipating Devices

Author: Highway Innovative Technology Evaluation Center (U.S.)

Publisher: ASCE Publications

Published: 1999-01-01

Total Pages: 128

ISBN-13: 9780784474648

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Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. his report summarizes the results of an evaluation that was designed to test the performance of 11 seismic isolators and dampers. The devices were tested for stability, response during earthquake simulations, and fatigue and weathering effects.

Evaluation of the Trevipark Automated Parking System

Author: Highway Innovative Technology Evaluation Center (U.S.)

Publisher: ASCE Publications

Published: 2001-01-01

Total Pages: 110

ISBN-13: 9780784475034

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Prepared by the Civil Engineering Innovative Technology Evaluation Center, a CERF innovation center serving the engineering and construction industries. This report presents a CEITEC evaluation of the Trevipark automated parking system, which was developed, designed, and supplied by TREVI S.p.A., of Cesena, Italy. The evaluation is designed to determine the benefits and limitations of Trevipark for use as a technically viable automated vehicle parking system. The evaluation focused on data collection, site inspections, and analyses. The Trevipark system consists of a cylindrical enclosure with a central elevator system to park and store vehicles in a radial pattern. This proprietary system is intended to provide safe and secure parking for lower cost, smaller site and space requirements, less retrieval time, and other advantages.

Bioremediation in the Highway Environment

Author: Highway Innovative Technology Evaluation Center

Publisher: ASCE Publications

Published: 1998-01-01

Total Pages: 44

ISBN-13: 9780784474587

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Prepared by the Environmental Technology Evaluation Center (EvTEC) and the Highway Innovative Technology Evaluation Center (HITEC), CERF Service Centers. This report provides an update on technology and is intended to assist the Federal Highway Administration's Priority Technology Program (PTP) and departments of transportation in all 50 states. It identifies barriers that hinder the widespread use of bioremediation in the highway environment, as well as methods to overcome these barriers. The evaluation is based on design, construction, performance, and quality assurance information outlined in the HITEC and EvTEC Protocols. The three case studies examine PTP projects in Alabama, Indiana, and Mississippi.