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Articles 31 - 60 of 229
Full-Text Articles in Engineering
Bidtool.Net: An Integrated Web-Based Approach For Commercial Bid Data Management And Networking, Purdue Ect Team
Bidtool.Net: An Integrated Web-Based Approach For Commercial Bid Data Management And Networking, Purdue Ect Team
ECT Fact Sheets
BidTool is basically a web-based portal that allows the distribution and transfer of key commercial construction project data. Owners, architects, designers, engineers, estimators, contractors, material suppliers & construction professionals find track and manage everything from architectural plans specifications and renderings to action items and scheduling requirements such as bid due dates, pre bid meetings and bid results.
Cmic Xprojects, Purdue Ect Team
Cmic Xprojects, Purdue Ect Team
ECT Fact Sheets
xProjects is a cloud based collaboration and project management solution that resolves the interoperability issues associated with integrated project delivery (IPD) and electrifies the IPD process by enabling capital project owners to collaborate seamlessly with multiple project stakeholders. Using XML adapters to create connections between systems, CMiC Real Time Integration (RTI) tags data so it can be transferred bi-directionally between participants within the project ecosystem with no loss of information or the need for re-entry.
Nightbreeze™: Integrated Heating, Ventilation And Cooling System, Purdue Ect Team
Nightbreeze™: Integrated Heating, Ventilation And Cooling System, Purdue Ect Team
ECT Fact Sheets
NightBreeze™ provides ventilation cooling automatically, eliminating the necessity of operating windows. NightBreeze™ uses the heating/air conditioning system fan to bring in filtered outside air and flush out warm, stale indoor air. The system also allows you to select the lowest temperature you want the house to reach overnight.
Conx Chassis System, Purdue Ect Team
Conx Chassis System, Purdue Ect Team
ECT Fact Sheets
Often referred to as a full-scale “Erector Set”, the ConX System applies technology to the building industry resulting in dramatic efficiencies. The systems approach is made possible by employing automated and efficient processes, from design through fabrication, shipping, and field assembly.
Autodesk Buzzsaw®, Purdue Ect Team
Autodesk Buzzsaw®, Purdue Ect Team
ECT Fact Sheets
Autodesk® Buzzsaw® is a software solution enabling the successful execution of construction projects through a central database, collaboration and communication with access control. The software has capacities of exchanging and viewing drawings, schedule reminders and specifications. Users can directly comment on AutoCAD drawings with the date of comment and name of commenter displayed.
Contour Crafting, Purdue Ect Team
Contour Crafting, Purdue Ect Team
ECT Fact Sheets
Victims of disasters such as floods, earthquakes and war have to seek shelter elsewhere. A need arises to rapidly construct houses on site and at minimal cost. This will eliminate the need to transport pre-fabricated shelters long distances, saving the time and costs associated with transportation. Since Contour Crafting is an automated process, labor needs are highly minimized allowing relief workers to allocate their time and effort to rebuilding local infrastructure such as water sanitation and distribution systems, roads, electrical and communication systems as well as irrigations systems.
Fieldmanager® – Construction Management Software, Purdue Ect Team
Fieldmanager® – Construction Management Software, Purdue Ect Team
ECT Fact Sheets
The FieldManager® software is a construction management system jointly owned by the Michigan Department of Transportation (MDOT) and Info Tech, Inc. Designed for any size organization that manages construction projects, FieldManager software wraps up contract documentation and reporting, contract modifications, and pay estimates into one neat package for use on multiple hardware platforms, increasing productivity and accountability by implementing a standard business practice across the organization.
Appia® – Construction Management Web Application, Purdue Ect Team
Appia® – Construction Management Web Application, Purdue Ect Team
ECT Fact Sheets
The Appia® software is a hosted web application for construction program administration. The Appia system can manage the business processes in the major functional areas of the project life-cycle – estimation, bid management and construction – due to its flexible configuration and customizable business rules, providing organizations the opportunity to simplify and standardize their processes.
Automated Tank Surface Finishing System, Purdue Ect Team
Automated Tank Surface Finishing System, Purdue Ect Team
ECT Fact Sheets
The current finishing techniques are costly and laborious, and they expose workers to significant health and safety risks. The automated tank surface finishing system uses a computer-controlled motion module to refinish the vertical exterior walls of a tank. The module is configurable for both blasting and painting and utilizes conventional surface finishing equipment for these processes. An overspray hood is included to reduce contamination of the surrounding environment during painting. The module attaches to a tank’s wind girts with steel cables, and its position and velocity are controlled by servo-driven hoists.
Filterpave Systems, Purdue Ect Team
Filterpave Systems, Purdue Ect Team
ECT Fact Sheets
The need for hard-surfaced porous pavements has grown over the past few years as the market accepts PPS technology as a viable solution, as regulations leave few other options and as frequency of use increases. The FilterPave system is a unique porous pavement system that uses post-consumer recycled glass as the open-graded aggregate. Approximately 90 glass beverage bottles are used in just one square foot of pavement, making constructive use of abundant recycled materials that are traditionally sent to the landfill and used as daily cover.
Hollo-Bolt®: Blind Connector For Structural Steelwork, Purdue Ect Team
Hollo-Bolt®: Blind Connector For Structural Steelwork, Purdue Ect Team
ECT Fact Sheets
Structural steel connections for connecting to square, rectangular or circular structural tube or to conventional steel where access is available from one side only poses problems. A technology was needed which could provide a quicker and tidier installation than traditional methods such as welding, unsightly strapping or drilling and tapping holes. The invention of the Hollo-Bolt® provided such a solution.
Smartball™: Free Swimming Leak Detection System, Purdue Ect Team
Smartball™: Free Swimming Leak Detection System, Purdue Ect Team
ECT Fact Sheets
Leak detection systems measure ultrasonic noise, infrared temperature variances or electrical flux to detect leakage in structures like, pipes, tanks, geo-membrane retaining structures etc. SmartBall® is a free flowing leak detection system developed by Pure Technologies. It consists of a foam ball that has a smaller aluminum ball at its core. This aluminum core houses an ultrasonic device that sends ultrasonic signals and also collects the reflected sound waves.
Alternative Material Dowel Bars For Rigid Pavement Joints, Purdue Ect Team
Alternative Material Dowel Bars For Rigid Pavement Joints, Purdue Ect Team
ECT Fact Sheets
Over the last thirty to forty years, dowel support of the joint in Rigid Joint Pavement (RJP) has been widely used. The problem of deterioration of concrete pavement joints has resulted in the search for alternate solutions. Fiber-reinforced polymer (FRP) and stainless steel represent corrosion resistant alternatives to conventional galvanized steel in this application. The recently study by the FHWA of Alternative Materials for Highway Construction demonstrated that even with extended wet-dry cycles of exposure to fluids of high chloride content, at various temperatures and PH levels, stainless steel had corrosion resistance hundreds and in many cases thousands of times …
Snap-Tite Composite Column Reinforcement, Purdue Ect Team
Snap-Tite Composite Column Reinforcement, Purdue Ect Team
ECT Fact Sheets
Recent earthquakes throughout the world have demonstrated the vulnerabilities of older reinforced concrete columns to seismic deformation demands. The Snap Tite Composite Column Reinforcement strengthens a concrete column by confining it in an external composite jacket, which prevents the concrete from expanding during seismic activity or prolonged freeze-thaw cycles. The pre-manufactured fiberglass jacket is comprised of glass fibers and corrosion resistant isopolyester resins.
Gfrc Facade Panels With Steel Stud/Flex Anchor Connection, Purdue Ect Team
Gfrc Facade Panels With Steel Stud/Flex Anchor Connection, Purdue Ect Team
ECT Fact Sheets
The ability of building cladding systems to perform successfully depends primarily on their proper design and construction. Current practices in the United States utilize GFRC (Glass Fiber Reinforced Concrete) panels. However, new problems are being detected with such systems. The facade and its attachments (using GFRC) are not being adequately implemented to accommodate vertical and horizontal differential movement between the panels and concrete frame which is resulting in failure or cracking of the panels, and chipping off of the supporting concrete. With proper design and construction, steel stud-framed GFRC-skin cladding concept provides a versatile system for freedom of expression in …
Frp Deck - Rehabilitation Of A Steel Truss Bridge, Purdue Ect Team
Frp Deck - Rehabilitation Of A Steel Truss Bridge, Purdue Ect Team
ECT Fact Sheets
To avoid a costly bridge replacement project, the New York State Department of Transportation partnered with private industry to rehabilitate a steel truss bridge using lightweight composites. Reducing dead load on the bridge by 265 tons, the application of composite deck technology doubled the load ratings (to a level higher than the original design) and allowed weight restrictions to be removed, while saving $1.4 million. This was the first time this type of rehabilitation was accomplished in the U.S. FRP bars appear to be promising alternative to steel reinforcement in concrete structures such as marine structures, parking structures, bridge decks, …
Superpave System, Purdue Ect Team
Superpave System, Purdue Ect Team
ECT Fact Sheets
The Superpave is the acronym for 'SUperior PERforming Asphalt PAVEments' system. It was developed by Strategic Highway Research Program (SHRP) to give highway engineers and contractors the tools they need to design asphalt pavements that will perform better under extremes of temperature and heavy traffic loads.
Atlss Integrated Building System, Purdue Ect Team
Atlss Integrated Building System, Purdue Ect Team
ECT Fact Sheets
The AIBS (ATLSS Integrated Building Systems) program was developed to coordinate ongoing research projects in automated construction and connection systems. The objective of this technology is to design, fabricate, erect, and evaluate cost-effective building systems with a focus on providing a computer integrated approach to these activities.
Simcon: Slurry Infiltrated Mat Concrete, Purdue Ect Team
Simcon: Slurry Infiltrated Mat Concrete, Purdue Ect Team
ECT Fact Sheets
The cost of civil infrastructure constitutes a major portion of the national wealth. Its rapid deterioration has thus created an urgent need for the development of novel, long-lasting and cost-effective methods for repair, retrofit and new construction. A promising new way of resolving this problem is to selectively use advanced composites, such as High-Performance Fiber Reinforced Cementitious Composites (HPFRCCs). The investigations conducted in North Carolina University have demonstrated that a special type of continuous fiber-mat HPFRCC, called SIMCON which stands for Slurry Infiltrated Mat Concrete, is well suited for the development of novel repair, retrofit and new-construction solutions that lead …
Snap Joint Technology For Composite Structures, Purdue Ect Team
Snap Joint Technology For Composite Structures, Purdue Ect Team
ECT Fact Sheets
The optimum composite joint design is the one capable of distributing stresses over a wide area rather than to concentrate them at a point. Adhesively bonded joints can satisfy these requirements, however, most of the adhesives are brittle, and brittle failure is unavoidable. This was the motivation of developing what is called the SNAP joint. The snap joint technology developed by W. Brandt Goldworthy & Associates, Inc. The concept is based on similar joining technology used for connecting wooden parts (wood is considered as natural orthotropic composites). Also, this technique is very similar to techniques which were used a decade …
Ultrascreen - Sight And Sound Barrier Partition Walls, Purdue Ect Team
Ultrascreen - Sight And Sound Barrier Partition Walls, Purdue Ect Team
ECT Fact Sheets
Panels have been widely used for many years to act as sight and sound barriers in most of the highways and in residential areas where visual privacy is needed. The United States Gypsum Company, early in the 1980's started developing technologies to improve and reduced costs using lightweight cement panels. Recently, USG along with AFM Corporation introduced ULTRASCREEN: Sight and Sound Barrier. This lightweight panels require no special equipment for installation, maintenance, or replacement making them beneficial. This latest development also creates a system with good acoustical performance and excellent strength to weight ratio.
Substiwood™ - Concrete Lumber, Purdue Ect Team
Substiwood™ - Concrete Lumber, Purdue Ect Team
ECT Fact Sheets
In the United States, wood lumber products have always formed the primary (and secondary) elements of many types of construction, especially in the single-and multi-family housing sector. A new cementitious material, 'concrete lumber' products (SubstiwoodTM) developed by Substiwood Inc. is structurally strong, durable, nailable with conventional screws and nails, and sawable using hand or electric saws. Unlike other construction alternatives to wood framing, the SubstiwoodTM products essentially maintain the existing wood frame construction methods, processes, equipment, and skilled labor.
Frp Rebar (Afrp, Cfrp, Gfrp), Purdue Ect Team
Frp Rebar (Afrp, Cfrp, Gfrp), Purdue Ect Team
ECT Fact Sheets
Insufficient concrete cover, poor design or workmanship, and presence of large amounts of aggressive agents including environmental factors all can lead to cracking of the concrete and corrosion of the steel rebar. The problems of steel corrosion are avoided with the use of FRPs because FRP materials are nonmetallic and noncorrosive. In addition, FRP materials exhibit several properties including high tensile strength, that make them suitable for the use as structural reinforcement. Furthermore, codes and design guide provisions have been recently prepared for the use of FRP bars in concrete structures for bridges and buildings.
Pavemend - Ceracrete Rapid Repair Products, Purdue Ect Team
Pavemend - Ceracrete Rapid Repair Products, Purdue Ect Team
ECT Fact Sheets
Repair of concrete continues to be a major maintenance item in the budget of many agencies. There are many circumstances in which a rapid repair is highly desirable. Ceracrete Technologies, Inc. (CTI) is a Richmond, Virginia-based small business. CTI focuses on the manufacture of commercial products for construction applications using non-hazardous inorganic recovered raw materials to replace conventional virgin raw materials. Ceracrete technology is a chemical bonding process that uses very high percentages of coal ash, municipal solid waste ash, foundry sand residue, dredge material, flue gas desulferization by-products, etc. to create rapid concrete repair products.
Steel-Free Concrete Bridge Deck, Purdue Ect Team
Steel-Free Concrete Bridge Deck, Purdue Ect Team
ECT Fact Sheets
Eliminating corrosion makes concrete deck slabs virtually maintenance-free, which makes life cycle costs of steel-free concrete decks much lower than reinforced concrete decks. In response, compressive membrane forces develop in the concrete deck. Ultimate load can be greater than the load at which the same deck would fail if it were reinforced conventionally.
Pothole Repairing Compound : Bondade Tcu-31, Purdue Ect Team
Pothole Repairing Compound : Bondade Tcu-31, Purdue Ect Team
ECT Fact Sheets
Conventional asphalt-based tacking materials such as hot asphalt-cement, cutbacks or emulsions cannot be applied without specialized spraying and heating equipment. With current methods of repair, nearly half of the potholes filled today will fail within six months. Bondade uses readily available spraying equipment to wet the surface and develop a tenacious bond between the asphalt and the existing substrate. It is an environmentally safe and non-hazardous material that may be used with hot or cold asphalt concrete, under damp or dry conditions and on nearly all surfaces.
Use Of Composite Piping Offshore, Purdue Ect Team
Use Of Composite Piping Offshore, Purdue Ect Team
ECT Fact Sheets
The high cost to replace steel piping in retrofit applications and increased longevity in new construction is driving the search for composite materials which are able to withstand the severe conditions experienced by offshore facilities. Advantages of composite piping compared to steel piping are: inherent corrosion resistance, lighter weight, ease of fabrication, lower maintenance costs, and lower life cycle costs.
Precast Inverted T Beam, Purdue Ect Team
Precast Inverted T Beam, Purdue Ect Team
ECT Fact Sheets
Current systems are either costly or time consuming to erect and have limitations. Cast-in-place slabs have become too expensive and time-consuming due to extensive field formwork. The Nebraska Inverted Tee (IT) system was designed for use by small contractors in sparsely populated areas where relatively modest erection equipment exists. The ITs were developed in "hard" metric units, i.e., using round-figure millimeters.
Italgrip System, Purdue Ect Team
Italgrip System, Purdue Ect Team
ECT Fact Sheets
The ever increasing number of registered vehicles has resulted in, up until the present time, a parallel increase in the number of road accidents. One of the reasons for this is that the quality of the road surface has not adequately kept pace with the increased volume of traffic. The Italgrip System increases skid resistance, reduces hydroplaning risk, reduces noise, and reduces salt consumption and can be applied to asphalt, concrete, or steel surfaces. It has been applied to several roadways in Europe, particularly road sections exhibiting problem areas.
New Structural Material - Fiber Reinforced Plastics, Purdue Ect Team
New Structural Material - Fiber Reinforced Plastics, Purdue Ect Team
ECT Fact Sheets
Traditional structural materials are heavy and require a great deal of maintenance. If a new breed of structural material could be produced that was lighter, stronger and more resistant to corrosion, impacts, parasites and chemicals, it could be a good substitute for steel, concrete, masonry and wood. One new material that has the potential to meet these demands is starting to show up on the construction industry market, it is Fiber Reinforced Plastics (FRP). Some technologies that have been developed using FRP materials within the last few years are: structural shapes, concrete reinforcing, prestressing and post-tensioning tendons and pre-engineered structural …