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Articles 181 - 187 of 187
Full-Text Articles in Civil and Environmental Engineering
Paslode - Cordless Finish Nailer, Purdue Ect Team
Paslode - Cordless Finish Nailer, Purdue Ect Team
ECT Fact Sheets
The short length (11.75"), better balance and textured super-grip handles of cordless nailer allow a user to be able to work comfortably in cramped overhead and other hard-to-reach places. The Paslode Impulse IM250 II features patented linear combustion engine that is powered by Impulse fuel cells and rechargeable batteries.
Behavior-Based Safety In Construction, Purdue Ect Team
Behavior-Based Safety In Construction, Purdue Ect Team
ECT Fact Sheets
Behavior-based safety approach that was introduced into the United States in 1930's and has been popular in manufacturing area since 1980's assumes that many of injuries and illnesses are the result of unsafe acts by workers. Behavior-based safety is a proactive approach to increasing safety in the workplace and in the community. It is based on sound, research-based, and behavioral practices, and are easy to use with minimal training.
Safe Excavation, Purdue Ect Team
Safe Excavation, Purdue Ect Team
ECT Fact Sheets
Excavating with a backhoe or similar equipment has the potential risk of hitting an underground utility which could cause serious injuries and expensive damages. An electronic device that provides a real-time warning of the utility lines immediately ahead of the digging tool and provides an easily interpreted, real-time computer readout of the depth, location, and size buried metallic objects. Developed by Dr. Leonhard E. Bernold, it consists of an active metal detector search coil; a signal processing (control) unit; and a PC computer equipped with an analog-to-digital converter interface.
Spraywall, Cured-In-Placed Method For Manhole Rehabilitation, Purdue Ect Team
Spraywall, Cured-In-Placed Method For Manhole Rehabilitation, Purdue Ect Team
ECT Fact Sheets
Manholes and other underground structures commonly account for 25-30 % of infiltration and up to 70% of inflow in sanitary sewer collection systems. These will cause sewer overflow and endanger the nearby environment. SprayWall is a spray-applied, cured-in-place method of construction and is primarily used in manholes. It uses urethane material that provides excellent corrosion resistance. SprayWall is structural and can withstand ground water loads on a long-term basis.
An Industrial Gas Turbine/Compressor Package Designed For Rapid Installation And Commissioning, Purdue Ect Team
An Industrial Gas Turbine/Compressor Package Designed For Rapid Installation And Commissioning, Purdue Ect Team
ECT Fact Sheets
A reduction in both the time and the cost of installation of medium-to-large industrial gas turbine mechanical drive packages can be achieved. Integration of the gas turbine driver, driven equipment, and ancillaries on two easily-assembled skids is made possible by the application of several technological developments, including aeroderivative gas turbine engines, dry gas compressor seals, compact plate-type heat exchangers, variable-speed AC motor drives, and microprocessor-based control systems which are certified for hazardous environments. By minimizing the need for interconnection of piping and wiring between multiple equipment and controls locations, site installation and commissioning time is drastically reduced. This can result …
3d Laser Scanning & Modeling System, Purdue Ect Team
3d Laser Scanning & Modeling System, Purdue Ect Team
ECT Fact Sheets
Traditional methods of measuring and modeling the surface geometry of large, complex structures or sites that require engineering or survey-grade accuracy are often inaccurate, incomplete or expensive. Inaccurate or incomplete drawings and models often lead to costly construction errors or delays. A portable, auto-scanning laser and PC system that lets users economically obtain accurate, complete, and timely as-built geometry information for large structures and sites. The system can remotely measure natural surfaces up to 100m away at the speed of 800 points per second. With spacing between adjacent points as fine as 1mm, users can capture an extremely high level …
Conductive Concrete, Purdue Ect Team
Conductive Concrete, Purdue Ect Team
ECT Fact Sheets
Concrete has been used for many years as a composite material that has excellent mechanical properties and durability for construction. However, concrete is a poor electrical conductor, especially under dry conditions. Traditional methods can warm roads, but installation cost is high and the procedure is complicated. A research team in Material Laboratory of Institute for Research in Construction, National Research Council Canada, led by Dr. James J. Beaudoin, has developed a new conductive concrete with both superior electrical conductivity and mechanical properties.