Evaluation Findings of the Ecodyn Mobile Pavement Marking Retroreflectometer
Author | : |
Publisher | : American Society of Civil Engineers |
Total Pages | : 68 |
Release | : 2000 |
Genre | : Health & Fitness |
ISBN | : 9780784404706 |
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Author | : |
Publisher | : American Society of Civil Engineers |
Total Pages | : 68 |
Release | : 2000 |
Genre | : Health & Fitness |
ISBN | : 9780784404706 |
Author | : Highway Innovative Technology Evaluation Center (U.S.) |
Publisher | : ASCE Publications |
Total Pages | : 84 |
Release | : 2001-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9780784474891 |
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.
Author | : Highway Innovative Technology Evaluation Center (U.S.) |
Publisher | : ASCE Publications |
Total Pages | : 82 |
Release | : 2000-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9780784474808 |
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF service center. This report presents the results of a detailed evaluation ofĂthe MX 30 pavement marking 30-meter retroreflectometer. The evaluation is designed to test the measurement bias, repeatability, and reproducibility of handheld and mobile retroreflectometers produced by several manufacturers.
Author | : |
Publisher | : American Society of Civil Engineers |
Total Pages | : 64 |
Release | : 2000-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9780784404669 |
Author | : Civil Engineering Research Foundation |
Publisher | : ASCE Publications |
Total Pages | : 140 |
Release | : 2001-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9780784474952 |
Prepared by CEITEC, a CERF innovation center serving the engineering and construction industries. This report describes an evaluation of Sewer Scanner and Evaluation Technology (SSET) designed to determine the basic capabilities and limitations of SSET for use as a technicallly viable technology for inspecting sewer pipes. The evaluation focused on the performance and in-service demonstration of SSET. The technology involves digital scanning to obtain a flat, "unfolded" image of the pipeline's interior. This evaluation includes field demonstrations performed at 13 municipal public works agencies throughout North America. Subsequent to this evaluation, SSET was modified to include a fisheye lens camera and fiber optic gyroscope, which replaced the rotating mechanical scanner and mechanical gyroscope. The evaluation confirmed the operability of SSET and its viability in data presentation. A degree of enhancement was recognized with additional features, most notably the ability to produce a digital report of the sewer pipe, to identify vertical deflection in pipes, and to deliver easily comprehensible and manageable results. The evaluation also revealed that SSET cannot reproduce all the features typically available from closed-circuit television (CCTV) inspection. Such features include the ability to clearly see corrosion, infiltration rates, and ovality. The limitations in applicability were determined and an economic comparison of SSET and CCTV is provided.
Author | : Highway Innovative Technology Evaluation Center (U.S.) |
Publisher | : ASCE Publications |
Total Pages | : 142 |
Release | : 2002-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9780784475171 |
Prepared by the Highway Innovative Technology Evaluation Center, a CERF/IIEC Innovation Center. This report describes a HITEC evaluation designed to determine the basic capabilities and limitations of the Tricon System for use as a technically viable, precast, mechanically stabilized earth-retaining wall system. The evaluation considered material, design, construction, performance, and quality assurance information outlined in the HITEC Protocol.
Author | : Highway Innovative Technology Evaluation Center (U.S.) |
Publisher | : ASCE Publications |
Total Pages | : 132 |
Release | : 2001-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9780784475058 |
This report describes a HITEC evaluation designed to determine the basic capabilities and limitations of CON/SPAN Wingwalls for use as a precast retaining wall system. The evaluation was conducted based on design, construction, performances, and quality assurance information outlined in the HITEC Protocol.
Author | : |
Publisher | : ASCE Publications |
Total Pages | : 92 |
Release | : 2003-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9780784475225 |
Prepared by the Environmental Technology Evaluation Center (EvTEC), a service center of CERF/IIEC. This Technology Verification report describes the nature and scope of the environmental evaluation of the performance of the Plasma Enhanced Melter? (PEM?) system for waste treatment. The evaluation was conducted through a cooperative program established in 1998 between the Washington State Department of Ecology, Integrated Environmental Technology Inc., Allied Technology Group, and the Civil Engineering Research Foundation. The goal of this report is to provide potential users and purchasers of the PEM? system with information they need to make more informed decisions regarding the performance of PEM? as an equivalent or alternative to incineration for treating hazardous waste.
Author | : Environmental Technology Evaluation Center (U.S.) |
Publisher | : ASCE Publications |
Total Pages | : 52 |
Release | : 2001-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9780784474983 |
Prepared by the Environmental Technology Evaluation Center (EvTEC), a CERF Innovation Center. This verification report describes a field evaluation of the installation of a silt fence using the Tommy? Silt Fence Static Slicing Method and compares this method to traditional trenching methods. The slicing method has been used extensively over the past few years but has not undergone a true field application test by a third party. State Departments of Transportation and federal, state, and local environmental regulatory agencies have expressed a desire and, in some cases, a need, for baseline environmental data providing a general picture of performance and feasibility of the Tommy Slicing Method for silt fence installation and erosion control.