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Articles 3331 - 3360 of 3831
Full-Text Articles in Engineering
Mortarless Concrete Blocks, Purdue Ect Team
Mortarless Concrete Blocks, Purdue Ect Team
ECT Fact Sheets Archive
Traditional concrete block systems are expensive to construct, not as structurally sound as concrete walls, and do not have the ability to conceal any mechanical or electrical systems easily. The Intralock System is a mortarless concrete block building system comprised of blocks with six different internal configuration that form three separate air cores when stacked in a single thickness.
Kwik-Kap Metal Roof Fastener Seals, Purdue Ect Team
Kwik-Kap Metal Roof Fastener Seals, Purdue Ect Team
ECT Fact Sheets Archive
Metal roof leaks cause damage to insulation and energy loss, structural damage that deteriorates supporting beams and damage to building contents. The major cause of metal roof leaks is fastener movement. The Kwik-Kap is an aluminum faced conforming disc with a heavy modified asphalt base. This proven material has survived more than 100,000 cycles with no signs of cracking or other failure.
Autoclaved Aerated Concrete, Purdue Ect Team
Autoclaved Aerated Concrete, Purdue Ect Team
ECT Fact Sheets Archive
High energy costs, increasingly expensive construction labor and equipment, and a higher environmental consciousness of home owners, has forced home builders to search for new construction materials. Autoclaved Aerated Concrete (AAC) is well known as an environmentally friendly construction material. Compared to the energy consumed in production of many other basic building materials, only a fraction is required to produce AAC. Raw material consumption is very low for the amount of finished product produced.
Tru-Frame Steel Truss, Purdue Ect Team
Tru-Frame Steel Truss, Purdue Ect Team
ECT Fact Sheets Archive
After earthquakes, repair and replacement of structural elements is time consuming and expensive. This new truss system contains several diagonal elements designed to absorb seismic energy and yield at prescribed levels. Standard moment frame design requires 100% visual inspection and ultrasonic testing which is eliminated when using the Tru-Frame system. Since all Tru-Frame connections are single pass fillet welds and tension control bolts, they can be visually inspected any time after completion without need for additional testing. This allows subsequent trades to start their work sooner.
A Decision Support System For The Selection Of Imaging Technologies To Detect Undergraound Utilities: Imagtech, Purdue Ect Team
A Decision Support System For The Selection Of Imaging Technologies To Detect Undergraound Utilities: Imagtech, Purdue Ect Team
ECT Fact Sheets Archive
A wide variety of geophysical imaging technologies and different application conditions pose challenges in selecting appropriate imaging technologies for the successful identification of underground utilities. A prototype computer decision tool, named IMAGTECH, was developed to assist in selecting the most appropriate imaging technologies to locate underground utilities. This dialog based computer application in a Microsoft Windows environment is an output of the research “Imaging and Locating Buried Utilities” under the Joint Transportation Research Program (JTRP) at Purdue University, IN, funded by the Indiana Department of Transportation (INDOT).
Mmfx Microcomposite Steel (Mmfx2), Purdue Ect Team
Mmfx Microcomposite Steel (Mmfx2), Purdue Ect Team
ECT Fact Sheets Archive
One of the major problems facing the construction industry today is the effect of corrosion on steel, and the inherent structural weaknesses it causes in highways, bridges and buildings. MMFX 2 rebar was developed through the use of nanotechnology by Dr. Gareth Thomas, graduate school professor of materials science at Univ. of California, Berkeley. It is highly corrosion resistant and equal, or in many cases, far superior to existing conventional carbon steel in its properties of strength, energy absorption, toughness, brittleness, ductility, and formability.
Adjustable Steelwork Connectors, Purdue Ect Team
Adjustable Steelwork Connectors, Purdue Ect Team
ECT Fact Sheets Archive
Since the outset of steel construction, there has been an increasing demand for connections that are faster and easier to assemble. Traditional weld and drill methods are a labor and time intensive part of steel erection and innovative solutions are vital. Lindapter® offers two steelwork connection systems that allow I beams to be bolted together without the need to drill or weld the steel members. Without drilling, the integrity of the steelwork remains intact. Without welding, the connection is quick, simple and adjustable where required.
High Performance Steel, Purdue Ect Team
High Performance Steel, Purdue Ect Team
ECT Fact Sheets Archive
High strength steels have been available for years, but their use required more welding control and fabrication processes than conventional strength steels. A new grade of high performance steel, HPS-485W or HPS-70W, developed by a cooperative program between the Federal Highway Administration, the American Iron and Steel Institute, and the Department of the Navy in August 1994; uses a new chemical composition that provides improved welding and toughness properties.
Attachment Of Steel Decking Using Mechanical Fasteners And Powder Actuated Or Pneumatic Tools, Purdue Ect Team
Attachment Of Steel Decking Using Mechanical Fasteners And Powder Actuated Or Pneumatic Tools, Purdue Ect Team
ECT Fact Sheets Archive
An alternative method of attaching steel metal decks onto open web bar joist or structural steel beams. Erectors require a fast, reliable, efficient fastening method that can be used independent of weather conditions, and is easy, cost effective and verifiable. Attachment of the deck panels has historically been performed using puddle welding, with self-drilling screws used only when necessary. Today, special nails, driven either by powder propellant (powder actuated tools) or by compressed air (pneumatic tools), are experiencing ever-increasing usage due to the speed, versatility and cost-effectiveness benefits derived by the installer and owner.
Friction Pendulum™ - Seismic Isolation Bearings, Purdue Ect Team
Friction Pendulum™ - Seismic Isolation Bearings, Purdue Ect Team
ECT Fact Sheets Archive
Recent large earthquakes in Turkey, Taiwan, and Japan have wreaked terrible destruction in highly urbanized areas. Preventing such tragic loss of life and damage to society's infrastructure is the aim of Friction PendulumTM seismic isolation bearings, a technology developed with the support of the National Science Foundation's (NSF) Small Business Innovation Research (SBIR) program.
Atlss Beam-To-Column Connections, Purdue Ect Team
Atlss Beam-To-Column Connections, Purdue Ect Team
ECT Fact Sheets Archive
The ATLSS Connection (AC) is a new beam-to-column connection consisting of a tenon, which is bolted and welded to the end of the beam, and a mortise, which is attached to the column and into which the tenon is dropped. It is safer, easier, and faster to erect and fit-up than traditional beam-to-column connections.
Pipeman:Safety In Trenches, Purdue Ect Team
Pipeman:Safety In Trenches, Purdue Ect Team
ECT Fact Sheets Archive
Even though heavy construction equipment such as a crane or backhoe excavator, is used to perform the task of pipe laying in the trench, workers are required to be inside the trench to guide the excavation, pipe laying, and final alignment. Work place safety has become a major concern in the construction industry over the past few decades, and trench cave-ins have caused serious and often fatal injuries to workers in the United States. The Construction Automation and Robotics Laboratory(CARL) at North Carolina State University has developed an alternative which involves advanced new technology: the prototype robotic excavation and pipe …
Sewer Scanner And Evaluation Technology (Sset), Purdue Ect Team
Sewer Scanner And Evaluation Technology (Sset), Purdue Ect Team
ECT Fact Sheets Archive
The investment in sanitary sewer collection system represent a major component of $20 trillion of U.S. investment in civil infrastructure systems. Sewer Scanner and Evaluation Technology (SSET) will overcome weaknesses of the closed circuit television and provide the engineer with more and higher quality information for rehabilitation decision making process by utilizing optical scanner and gyroscope technology.
Pipe Bursting, Purdue Ect Team
Pipe Bursting, Purdue Ect Team
ECT Fact Sheets Archive
Pipe bursting can be used to replace pipes without using open trench methods. Pipe bursting is accomplished by pulling a bursting device through the existing pipe. This device by virtue of its size or its radial expansion ability (depending on the type) shatters the old pipe and forces the fragments into the surrounding soil. The new pipe is usually attached to the bursting device and is thus pulled into place as the device advances.
Grp Cable Trays, Purdue Ect Team
Grp Cable Trays, Purdue Ect Team
ECT Fact Sheets Archive
The Glass-fibre Reinforced Plastic is a material consisting of: fibreglass fabric and/or glass or aramid fibre (a synthetic fibre with high mechanical resistance) bound together by a thermohardening resin which has been suitably polymerized (polyester, epoxy, acrylic or phenolic). With this technology known as "Pultrusion", it is possible to combine the mentioned range of fibres with the resin in such a way as to obtain the required mechanical characteristics, which may vary in different parts of the same profile or be uniform throughout.
Vrml Applications In Construction, Purdue Ect Team
Vrml Applications In Construction, Purdue Ect Team
ECT Fact Sheets Archive
Traditionally construction process information is communicated with paper documents and 2D CAD drawings. Recently, the industry has embraced many kinds of web-based technologies, but information still uses document-based model. The applicability of the Virtual Reality Modeling Language (VRML) is being investigated for visualizing the activities at a construction site and creating an advanced web-based 3D user interface for construction process information by the Computer-Integrated Construction Group at NIST.
Pipe Structural Reliability Evaluating System, Purdue Ect Team
Pipe Structural Reliability Evaluating System, Purdue Ect Team
ECT Fact Sheets Archive
The MAC system (Mecanique d'Auscultation des Conduites, i.e., buried pipelines mechanical inspection) is an integrated mechanical-electronic system that inspects different kinds of pipes (reinforced concrete, plain concrete, masonry, and clay) from 0.7 to 4.0 m in diameter. The system assesses the reliability of the pipe by analyzing the pipe-soil interactive structural behavior.
Cured In Place Pipe Repair, Purdue Ect Team
Cured In Place Pipe Repair, Purdue Ect Team
ECT Fact Sheets Archive
Insituform Technologies Inc. offers a pipe lining system called Paltem which uses a woven synthetic fiber covered with a polyester elastomer as the lining material. This system is used to rehabilitate pressure pipelines that have been damaged by corrosion or are experiencing leakage through joints, pinholes or other pipe defects.
Smart Sewer Assessment Systems, Purdue Ect Team
Smart Sewer Assessment Systems, Purdue Ect Team
ECT Fact Sheets Archive
The need for accurate preventive assessment of sewer conditions is increasing world wide. The new method utilizes qualified inspection systems that are automated and that utilize artificial intelligence to assess whether or not a crack in the surface of the pipe exists. The KARO system is one example. Developed by the German Federal Ministry of Education, Science, Research, and Technology (BMBF) and four partners from both industry and research institutions. This system is composed of a mobile control and surveillance station, and a mobile robot.
Builder Supplynet - Online Trading Community, Purdue Ect Team
Builder Supplynet - Online Trading Community, Purdue Ect Team
ECT Fact Sheets Archive
The online, virtual trade community can simplify constructions firms’ business processes by providing enhanced marketing, bidding, communication and commerce. Builder SupplyNet is hosted at UUNET™, providing services with a direct connection to the UUNET backbone capacity network. Builder SupplyNet's technology was developed by Microstate, Inc. The Hamilton Software interfaces with SQL databases and enables real-time editing of members' pages and data.
Isqft Agc Network, Purdue Ect Team
Isqft Agc Network, Purdue Ect Team
ECT Fact Sheets Archive
The plan room services that AGC (Associated General Contractors) chapters provide to their membership can be time consuming and costly due to traveling to a physical plan room. iSqFt enables AGC members to conveniently view plan room projects 24 hours a day, seven days a week from the member’s home or office location via the internet.
Polycom.Viavideo - Video Conferencing, Purdue Ect Team
Polycom.Viavideo - Video Conferencing, Purdue Ect Team
ECT Fact Sheets Archive
As the construction industry is more globalized and competitive than other industry, it needs faster interaction to enable real-time collaboration, application sharing between the headquarter and construction sites. USB based video system, the ViaVideo video communications appliance combines the power of a high-quality camera and multimedia processor for improved video communications.
Ecosystem™ Elevators, Purdue Ect Team
Ecosystem™ Elevators, Purdue Ect Team
ECT Fact Sheets Archive
Two types of elevators, which are hydraulic and traction, have been widely used as vertical transportation equipment. EcoSystemTM is a family of AC gearless elevators developed by Montgomery KONE. The compact EcoDiscTM hoisting machine is an AC gearless motor of axial synchronous design with an integrated traction sheave, break flange, and rotor. Compact and light weight, EcoDisc, requires no penthouse or large machine room.
Bid Express - Online Bidding With Digital Sign, Purdue Ect Team
Bid Express - Online Bidding With Digital Sign, Purdue Ect Team
ECT Fact Sheets Archive
Bidx.com offers a solution to the government agencies’ need for a more efficient and more accurate bidding process. The Bid Express service saves bidders the time needed for preparing bids on paper, and the travel time and expense involved in attending bid meetings and submitting bids in person. This valuable service allows bidders to quickly scan all current bid opportunities to find exactly what they are seeking.
Evoke Communications, Purdue Ect Team
Evoke Communications, Purdue Ect Team
ECT Fact Sheets Archive
Using Evoke Webconferencing technology, users can avoid expensive long distance rates by having participants listen in over the Web - using only their standard Internet connection and browser.
Starbandsm - Satellite Internet Service, Purdue Ect Team
Starbandsm - Satellite Internet Service, Purdue Ect Team
ECT Fact Sheets Archive
The Internet has become one of the most important communication systems in the present. However people across the continental United States have not been able to get broadband Internet service. StarBand service, with no special phone lines or cable modems required is a feasible solution. StarBand is America’s first consumer two-way, always-on, high-speed satellite Internet service.
Virtualstep: 4d Simulation, Purdue Ect Team
Virtualstep: 4d Simulation, Purdue Ect Team
ECT Fact Sheets Archive
The main value from 4D is derived from using it proactively to visualize the construction sequence. Another benefit is the ability to run what-if scenarios to determine optimum scheduling and resource management. Also, by linking 3D drawings to a project schedule, all project stakeholders, from the owner to the tiling subcontractor, can see how the project is supposed to progress. VirtualSTEP Products include 4D Project Navigator, Conflict Coordinator, Project Reporter, and Project Analyzer. All these products are web-based.
Placeware: Web Conferencing, Purdue Ect Team
Placeware: Web Conferencing, Purdue Ect Team
ECT Fact Sheets Archive
Proper training of employees, partners and customers is critical to gaining a competitive edge in the marketplace. But most traditional training methods require an in-person meeting. PlaceWare Web conference is simply the combination of a phone call with live web-based visuals and interaction. Web conferencing enables presenter to communicate more effectively, decreasing the amount of time spent traveling and ultimately leading the audience to understanding.
Mimio - Digital Technology For White Boards, Purdue Ect Team
Mimio - Digital Technology For White Boards, Purdue Ect Team
ECT Fact Sheets Archive
mimio is a unique collaboration tool that captures everything user write or draw on a whiteboard, in color and real time -- and then transmits the information directly into user's computer. User can then revise, print, share, export to HTML, or drag-and-drop user's whiteboard notes into any Windows application.
Akamai Streaming, Purdue Ect Team
Akamai Streaming, Purdue Ect Team
ECT Fact Sheets Archive
Akamai offers world-class streaming media services that enable Internet content providers and enterprises to succeed in today's Web-centric marketplace. They deliver live event Webcasts (complete with video production, encoding, and signal acquisition services), streaming media on demand, 24/7 Webcasts and a variety of streaming application services based upon their EdgeAdvantage.