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Concrete

December 2008 » Specifiers' Guide

With the unwavering call for products, software, and services to lower construction and maintenance costs, these companies are responding. From design software to association services, from anchor bolts to splicing systems, and from fiber reinforcement to unique mixes of cement, this group is quick to promote lighter concrete products, faster and easier installations, and the ability to analyze different scenarios and products.

By Structural Engineer Staff

With the unwavering call for products, software, and services to lower construction and maintenance costs, these companies are responding. From design software to association services, from anchor bolts to splicing systems, and from fiber reinforcement to unique mixes of cement, this group is quick to promote lighter concrete products, faster and easier installations, and the ability to analyze different scenarios and products.

In response to a request from Structural Engineer, a number of companies provided the following information about their products and services. Some companies declined to participate by failing to return the questionnaire by our deadline. We apologize for inadvertent omissions. To be added to our contact list, please e-mail Jennifer Goupil, P.E., at jgoupil@zweigwhite.com.

Ainsworth Group of Companies’ Pourform-OS is the only FSC-certified overlaid OSB concrete-forming panel available. The new panel is designed for specifiers seeking to improve the pour quality in low-reuse concrete forming applications. The new concrete-forming panel features an enhanced MDO paper overlay on a specially engineered OSB panel. Pourform-OS provides a better finish with less telegraphing of strand patterns and better release properties than B-B plyform. www.pourform.com

The American Concrete Institute is now offering its members more than ever before. Check out all the exciting ACI member benefits, including access to the award-winning Concrete Knowledge Center, free online CEUs and PDHs, free ACI document downloads discounts, and much more. www.concrete.org

Autodesk’s Revit Structure software integrates a multi-material physical and analytical model, providing concurrent structural modeling for efficient, accurate documentation, analysis, and design for a variety of concrete structures. It eliminates repetitive, labor-intensive tasks, allowing users to work more efficiently with concurrent modeling for concrete structural analysis and documentation. It’s accurate, consistently producing precise documents of concrete structures using the power of parametric change management and bidirectional linking to industry-leading analysis software. www.autodesk.com

Advantages of the Barsplice Products, Inc.’s Taper Threaded Grip-Twist high-performance mechanical splices for reinforcing steel bar systems include no thread cutting of bars, no reduction in bar cross-section, seismic Type 2 performance, no bar lap (which promotes structural continuity), reduced bar congestion, enhanced concrete compaction, taper threads for self-location and quick assembly, and no welding of bars. www.barsplice.com

Bentley Systems and its team of STAAD and RAM announced an integrated concrete solution covering the complete structural engineering workflow: analysis, design, documentation, BIM, and detailing. It provides integrated tools for concrete beams, columns, shear walls, reinforced and post-tensioned slabs, and foundations. This solution eliminates the manual transfer of loads and geometry from various programs. In addition, Bentley’s new Concrete Structural System dashboard allows access to the concrete solutions from a single environment. A free download of the Concrete Structural System is available online. www.bentley.com

Since its introduction to North America in 1996, CADS has established a reputation for providing expertise and fast, accurate software for rebar detailers. Running in AutoCAD, RebarCAD has been the market leading rebar detailing software in the USA for more than 10 years.
www.rebarcad.com

C-GRID is a patented carbon fiber reinforcing technology. It may be used in place of, or along with, steel mesh and light rebar. Made from carbon fiber, C-GRID is a high-performance reinforcement grid developed by bonding ultra-high-strength carbon tows with epoxy resin in a controlled factory environment. www.chomaratna.com

CONTECH Construction Products Inc. offers CON/SPAN Bridge Systems and BEBO Arch Systems, fully engineered and patented precast modular component systems for bridges, culverts, and underground structures. The systems provide precast arch spans from 12 to 102 feet, with variable heights and lengths. CON/SPAN and BEBO structures provide cost-effective, durable, and aesthetic solutions with fast installation.  www.contech-cpi.com

Cortec Corporation’s Migrating Corrosion Inhibitors (MCI) Mini Grenades consist of Cortec’s proven MCI 2006 NS, which is pre-measured and packaged in water-soluble poly vinyl alcohol bags. When incorporated into repair mortars and grouts, MCI Mini Grenades not only protect metal with which they come in contact, but also will migrate into adjacent areas providing effective corrosion protection and reducing the insipient anode effect. www.cortecvci.com

CTS Cement Manufacturing Corporation makes Rapid Set fast-setting hydraulic cement and KSC Type K shrinkage-compensating cement. Make structural repairs and rehabilitations, and return the concrete to full use in just one hour. Install industrial-size floors with no curling, no cracking, and no control joints. www.ctscement.com

Decon U.S.A., Inc., developed the Studrail system for enhancing the punching shear strength at slab-to-column connections. Ductility of these connections is also significantly increased. Decon Studrails are being increasingly used as bursting reinforcement at banded P/T anchor zones.
www.deconusa.com

Delta Building Systems is the exclusive source of BauGrid Reinforcement in North America and Asia. BauGrid is a concrete confinement reinforcement product custom manufactured using 3/8-inch-, 1/2-inch-, 5/8-inch-, and 3/4-inch-diameter, high-strength cold-drawn wire, factory-welded into a transverse reinforcement grid configuration. www.baugridusa.com

ERICO supplies LENTON LOCK, an in-situ rebar splice that requires no bar-end preparation. It is ideal for new construction, repairs, bent bar, precast closure pours, and retrofit applications. The LENTON LOCK coupler features patented gripping technology that provides for the development of full rebar strength and improved overall structural integrity in tension, compression, stress reversal, and dynamic applications. The bolt heads shear off when proper installation tightness has been reached, which allows for visual inspection. www.erico.com

Foresight Products, LLC manufactures the MANTA RAY and STING RAY earth anchor tieback systems for shoring, bulkheads, retaining walls, SRWs, foundation augmentation, and foundation stabilization applications. Features include no excavation, no soil disturbance, and ease of installation with working capacities as great as 65,000 pounds. www.earthanchor.com

Fyfe Co. provides concrete repair products that enhance the lifespan and serviceability of concrete bridges, buildings, and other structures. Tyfo C-Marshall Bars (composite rebar) reinforce and strengthen concrete structures, prevent corrosive agents, and provide electrical or magnetic neutrality. Tyfo PF, is a new, improved, one-component shrinkage compensated, repair mortar. Tyfo P is a two-component, quick-setting, polymer-modified, cementatious mortar for vertical, overhead concrete and masonry repairs. Tyfo CB serves as a bonding agent for floor toppings and concrete repair and as a bond for concrete repair mortars. www.fyfeco.com

The Georgia Tech-CASE Center’s GTSTRUDL Reinforced Concrete Design software is used to design beams, columns, one-way slabs, shear walls, and two-way flat plate and flat slab structures per ACI 318 and BS 8110. With special member, floor slab, and wall panel automatic generation capabilities, even complex reinforced concrete building structures are easily modeled. The total length and weight of each size of rebar is listed, and combined total weight of all reinforcement is estimated. www.gtstrudl.gatech.edu

GSSI presents the newest addition to its line of concrete inspection systems—high resolution StructureScan Optical, including the new 2,600-MHz antenna. The new StructureScan Optical gives users the ability to detect objects previously undetectable with lower frequency antennas, such as tightly spaced wire mesh, small objects, and defects in concrete. www.geophysical.com

Headwaters Resources markets coal combustion products nationwide, principally fly ash and bottom ash. Headwaters specializes in serving ready-mixed concrete producers, structural fill contractors, and a variety of building products manufacturers. Headwaters also has developed an array of innovative products that utilize high volumes of fly ash, including aerated concrete and a complete line of blocks, bricks, and pavers. www.flyash.com

Hilti, Inc.’s, PROFIS anchor brings 3-D anchor design and a database packed with Hilti anchoring expertise to your desktop. Easy to download and install, the program supports allowable stress design and strength design in accordance with ACI-318 Appendix D and the current IBC, which allows users to design anchors quickly in accordance with the latest industry standards. Coming in 2009, PROFIS v2.0 will have an updated and more user-friendly interface, along with the ability to design cast-in-place anchors. www.us.hilti.com

Inspection Instruments, Inc., presents Acoustic Concrete Tester—ACT. It evaluates the thickness of concrete slabs, linings, footers, and other structures. It also reveals various defects, such as delaminations and spalling. www.inspectioninstruments.net

Interactive Design Systems (IDS) develops and markets three software products for bridge design and analysis: Bridge Designer II (BD2) for 2-D structural design analysis, BD3 for 3-D structural design analysis, and MC3D for bridge construction/geometry control. IDS products are targeted to designers of concrete and composite bridges. www.ids-soft.com

Kelken Construction Systems provides a variety of chemical structural anchoring systems and accessories. www.kelken.com

For over 20 years, Keystone Retaining Wall Systems, Inc., has been setting the worldwide standard for excellence and innovation within the segmental retaining wall industry. Symbolizing cutting-edge design, performance, and aesthetics, Keystone products and services offer one of the best site solutions for governmental, commercial, recreational, and residential applications. www.keystonewalls.com

LUSAS structural engineering analysis software has comprehensive facilities for linear, nonlinear, staged construction, creep, heat of hydration, prestress, post tensioning, seismic, blast, buckling, impact, fire, and fatigue analysis. On Israel’s Road 431 project, Finley Engineering Group used LUSAS Bridge to analyze and optimize pier and deviator segment diaphragms for a number of externally post-tensioned segmental bridges, giving the owner and contractor major benefits from simplified precasting details, thinner sections, and faster erection procedures. www.lusas.com

MIDASoft, Inc. (TNO DIANA) offers the following products: midas Civil (Bridges)—3-D analysis and design for curved/straight girder, composite, segmental post-tensioning, suspension, cable-stayed, skewed slab, frame, and arch and culvert bridges with live load optimizers; midas Gen (Building and General structures)—static, dynamic, pushover, inelastic time history, material/geometry nonlinear, masonry structures, cables, pre/post-tensioning, time dependant material models, column shortening, construction stage, and heat of hydration analyses; and midas FEA (Detail FE Analysis)—ultimate finite element analysis suite with built-in CAD geometry modeler and auto-mesh generators. www.midasuser.com

MultiREBAR CAD is a highly effective, easy-to-use, low-cost rebar detailing and drafting software. It simplifies complex functions and links to many other applications. It is used in a range of industries on many types of projects for placement, estimating, and fabrication. The software combines AutoCAD OEM Technology with structural tools in the same application. www.multirebarcad.com

NEi Software’s Nastran Finite Element Analysis program provides a wide range of industry proven solutions for civil engineering infrastructure. Benefits include greater confidence in the structural integrity of the design when considering innovative construction methods and materials; faster evaluation of trade studies, configuration changes, and concept designs; parallel evaluation of the overall structure with key detailing within the structure; and the capability to deal with all types of loading environments. www.neinastran.com

Nycon, Inc., with over 25 years in the business of providing reinforcing fibers world-wide, is a leading manufacturer and international resource for nearly every fiber you need. Whether for concrete, asphalt, plastics, or soil stabilization, the company provides a full line of green, glass, nylon, polypropylene, PVA, cellulose, steel, and structural macro fiber reinforcement products required to make applications and products perform better and last longer. www.nycon.com

Nitterhouse Concrete Products produces a full range of precast products and building systems, including double tees, wall panels, ConCoreFloor hollow core plank, parking structure components, custom-engineered precast buildings, and architectural panels used by industrial, commercial, and residential customers. www.nitterhouse.com

OCM, Inc., supplies Turbo-Seal P, a cold-applied, single-component, highly elastomeric polymer rubber infused with special adhesives. Turbo-Seal P is used for above- and below-grade new construction and rehabilitation projects. Turbo-Seal U is used to repair water leaks in below-grade structures when excavation and exposure is not possible. Turbo-Seal R is used to repair water leaks in below-grade and above-grade structures. www.ocm-inc.com

The Portland Cement Association is offering the tenth edition of PCA Notes on ACI 318-08 Building Code Requirements for Structural Concrete with Design Applications. PCA Notes’ chapters summarize code changes introduced in the Building Code Requirements for Structural Concrete, ACI 318-08, and Commentary, ACI 318R-08. The manual’s discussions include load and strength reduction factors and the unified design provisions for reinforced and prestressed concrete members under flexure and axial load. www.cement.org

The Post Tensioning Institute offers technical guidance related to post-tensioned concrete design and construction. The Institute has technical publications, seminars, training, and certification programs for individuals and industry suppliers. www.post-tensioning.org

Powers Fasteners, Inc. obtained ICC-ES product approval listings for anchors designed to meet the current requirements of the building code. The code-compliant Power-Stud+ SD2 wedge expansion anchor and the Snake+ screw anchor are qualified for use in cracked and uncracked concrete. Check online for more information on these and other products, including details about the Powers Design Assist real-time anchor software (ACI 318 Appendix D). www.powers.com

Propex Concrete Systems offers macro-synthetic fiber solutions for temperature and shrinkage reinforcement. Fibermesh 650 and Novomesh 950 macro-synthetic fibers are designed to reduce early-age plastic cracking and long-term drying shrinkage cracking while providing superior impact, abrasion, and shatter resistance. They are ideally suited for commercial and industrial slabs-on-ground, composite metal decks, and concrete pavements. www.fibermesh.com

RISA Technologies’ RISA-3D has the most current steel, concrete, cold-formed steel, and timber design codes. Advanced features like flexible design rules allow the engineer to control the design, not just the program. Review results for the entire model graphically, or view detail reports to see analysis results and design calculations for each member. RISA-3D also integrates seamlessly with RISAFloor and RISAFoot, including links to top detailing, drafting, and BIM packages. www.risa.com

RisiStone retaining wall system units are solid and manufactured from high-strength concrete. All units are dry-laid, self-draining, and self-aligning, so installation is simple, fast, and built-to-last. www.risistone.com

Simpson Strong-Tie Anchor Systems provides anchoring adhesives, mechanical anchors, powder-actuated tools, drill bit, and crack repair products for use in concrete and masonry work. The company’s products are ideal for applications such as rebar, dowelling and tilt-up braces; structural steel applications; concrete repair and restoration; steel curtain wall framework and installation; and more. www.simpsonanchors.com

Spancrete is a leading provider of architectural and structural precast concrete products to the Midwest construction industry. The company operates five precast concrete plants in Wisconsin, Illinois, and Florida, as well as Spancrete Machinery Corporation in Waukesha, Wisc., and American Concrete Pipe Company in Green Bay, Wisc., and Milwaukee. All Spancrete facilities are PCI-certified. www.spancrete.com

Stone Strong Systems’ main block boasts a 24-square-foot face that measures 3 feet by 8 feet, the biggest retaining wall block available on the market today, the company states. The product is fully engineered both structurally and geotechnically to contribute to solving a project’s technical issues. www.stonestrong.com

Strand7 is a Windows FEA system used in nearly all engineering disciplines. It comprises preprocessing (including CAD import, auto-meshing), solvers (linear, nonlinear static/dynamic, and thermal) and post processing (contour plots, graphing, and reporting). Release 2.4 provides many new features, including staged construction, slab reinforcement design, fiber stress nonlinear material, and tapered beams. Solver additions include load influence and quasi-static for shrinkage and creep/relaxation problems. www.strand7.com

Structural Desktop, Inc. (SDT) integrates four analytical programs with AutoCAD. Users can build an analytical model inside AutoCAD, import that model into an analytical program where the model is analyzed and designed, then, import that model back into SDT for automatic creation of annotated AutoCAD DWG 2-D and 3-D drawings. Structural Desktop draws concrete elements and members, Pre-cast L and T Beams, and more. www.structuraldesktop.com

StructurePoint is the former engineering software group of the Portland Cement Association. StructurePoint’s suite of reinforced concrete design software is widely used for analysis, design, and investigation of various structural elements. The following programs are included in the suite: pcaSlab, pcaWall, pcaMats, pcaColumn, pcaBeam, and pcaFrame. www.structurepoint.org

Struware, Inc., provides easy-to-use structural engineering software. Struware’s tilt-up concrete wall panel program not only analyzes wall strips, but also will analyze panel legs next to openings by automatically calculating loads to the wall leg from vertical and horizontal loads at the opening. The concrete beam program designs reinforcing in concrete beams/slabs with torsion, bending, and/or shear and provides all pertinent wind, seismic, and snow, live, and dead loads. The program simplifies ASCE 7 and IBC (and codes based on these). www.struware.com

Superior Walls of America, Ltd’s precast, insulated wall panels, used primarily as residential foundation walls, are produced using 5,000-psi concrete. The walls are manufactured and installed by licensed distributors. www.superiorwalls.com

Tekla identifies and provides solutions for the leaders of today’s building and construction industry through the Tekla Structures platform. Tekla Structures’ precast solution not only enhances the current methods of detailing and drafting, but also reduces errors and increases the user’s profit margins, the company states, by working in an intelligent 3-D environment.
www.tekla.com/us

The Neel Company offers reinforced precast concrete retaining walls and engineering design support for public, highway, and railroad retaining wall requirements. The T-WALL Retaining Wall System is a structural, all-concrete system with no separate soil reinforcements to attach. The T-WALL units, comprised of a monolithic precast face and perpendicular stem, are easily installed and backfilled with a select granular fill. T-WALL is designed in accordance with AASHTO and AREMA design codes. www.neelco.com

Transpo Industry’s T-48 Thin Overlay for roads and bridge decks is a specially formulated epoxy resin. Applied as a slurry with thickness of 1/4 to 1/2 inch, it eliminates the need to relocate joints, end dams, or drain structures. A broadcast aggregate provides a waterproof, skid and wear-resistant surface perfect for vehicle and pedestrian traffic. The relatively short curing time ensures a quick return to service. www.transpo.com

W. R. Meadows, Inc. produces a full line of products to help with both new construction and restoration projects. Its products cover nearly every facet of the industry—from structural repair to concrete curing. W.R. Meadows’ products include its GREEN LINE, allowing engineers to specify products that are safe for the environment, but tough on the job. www.wrmeadows.com

Williams Form Engineering Corporation provides threaded steel bars and accessories for rock, soil, and concrete anchors; post tensioning systems; and concrete forming hardware systems. Its rock and soil anchor product line includes Spin-Lock mechanical rock anchors, polyester resin anchors, multiple corrosion protection anchors, soil nails, strand anchors, Manta Ray soil anchors, MAI Hollow-Bar anchors, and micro piles. www.williamsform.com

Xella Aircrete North America offers Autoclaved Aerated Concrete (AAC). The make-up of this product is similar to that of traditional concrete with the exception of some additional additives and manufacturing processes. When AAC is complete, it is produced in blocks and reinforced engineered panels and shipped to the job site ready to be installed. The product has just one-quarter the weight of traditional concrete. www.xella-usa.com

 
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