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1004161
  • VSL

    Post-Tensioning Systems

    Our full range of post-tensioning systems - complemented by experienced in- house ... with cement grout that fully bonds the strands to the surrounding concrete.

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Today, prestressing and, in particular, post-tensioning is a mature ... elements with cast-in-place concrete by means of post-tensioning offer other interesting.

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following advantages of post-tensioned slabs over reinforced concrete slabs may be listed: - More economical structures resulting from the use of prestressing ...

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With bonded post-tensioning, the prestressing steel is installed at the job site after ... After the concrete has hardened, the prestressing steel is gripped at both  ...

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POST-TENSIONED CONCRETE IN BUILDING CONSTRUCTION - POST- TENSIONED. FOUNDATIONS. 1. Introduction. While the use of prestressing in ...

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The Leader in Post-Tensioning. STRUCTURAL TECHNOLOGIES is the exclusive designer and manufacturer of VSL post-tensioning and construction systems ...

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Bonded Post-Tensioned Slab Systems ... profile ducts that are fully bonded to the surrounding concrete and used to provide continuous reinforcement in slabs.

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4.5. Miscellaneous. 26. 5. The VSL Post-Tensioning System for Masonry and Its First Applications ... most important construction material after concrete. Recently  ...

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Apr 17, 2015 ... The complexity of post-tensioning repairs requires a expertise with ... concrete and is backed with the products of VSL post-tensioning products.

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post-tensioned concrete bridges, until satisfactory new standards and practices ... process of prestressing and grouting has been the subject of a rigorous review ...

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Adaptable to a variety of structures, unbonded monostrand can be easily, rapidly, and economically installed. Applications for monostrand systems include ...

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VSL International has edited and published this series of reports that provide valuable information on post-tensioned concrete applications and best practices.

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When bonded multistrand post-tensioning systems are used for large structural members, such as beams and transfer girders, design advantages include ...

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Post-tensioning is a method of reinforcing (strengthening) concrete or other materials with high-strength steel strands or bars, typically referred to as tendons.

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When designing for thinner floors, using post-tensioning to resist loads and ... For more than 40 years, post-tensioned concrete has been used in buildings.

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May 26, 2015 ... STRUCTURAL TECHNOLOGIES VSL can perform specialty services and support for projects. From post-tensioning repair to tendon inspection ...

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DuraStor Tanks (AWWA D115 Tendon Prestressed Concrete Tanks) offer the ... been used as the industry standard for post-tensioning throughout the world.

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Post-Tensioned, Cast-In-Place Concrete for Healthcare Facility Structures ... STRUCTURAL TECHNOLOGIES offers VSL bonded slab post-tensioning systems ...

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questions related to detailing for posttensioned structures. .... surrounding concrete to minimize reinforcement ... tendons are stressed after the concrete is cast.

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External post-tensioning systems utilize high strength prestressing cables, ... capacity of reinforced concrete and other structure types, including masonry, timber ...

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Prestressed Concrete Tanks. ... Construction work was completed on four 4.2 million gallon capacity post-tensioned digesters the DuraStor tanks were the  ...

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Apr 17, 2015 ... Post-Tensioning on a Texas Skyscraper ... Post-tensioned concrete played a major role in keeping the construction process and the structure ...

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Apr 17, 2015 ... Ideal for use in all concrete construction high shear applications such as ... The growing use of post-tensioned concrete to meet the needs of ...

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Concrete Repair and Maintenance Illustrated ... series of reports that provide valuable information on post-tensioned concrete applications and best practices.

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The Art and Technology of Historic Preservation; Introduction to Concrete Repair and ... Advanced Post-Tensioning of Concrete Systems; Polyshield Base ...

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Jun 15, 2016 ... 140,000lbs of post-tensioning cables; 35 miles of post-tensioning ... hybrid of concrete and steel, as well as a post-tensioned concrete solution.

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Post-tensioned flooring systems offer a great deal of flexibility, and when properly designed, ... The structural floor framing systems for cast-in-place concrete are ...

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When designing for thinner floors, using post-tensioning to resist loads and deflections provides a more optimal solution than conventionally reinforced floors .

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the improved deflection and cracking behavior of post-tensioned floors is the in- plane compression stress field in the concrete stemming from the anchorages of  ...

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STRUCTURAL TECHNOLOGIES' products and systems can be utilized in a variety of applications. Post-Tensioned concrete adds additional strength to slabs , ...

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The VSLAB+® Bonded Slab Post-Tensioning System consists of fully encapsulated, ... cementitious grout that bonds the strands to the surrounding concrete.

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STRUCTURAL TECHNOLOGIES is the exclusive designer and manufacturer of VSL post-tensioning and construction systems in the United States.

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erected. After winding, the prestressing wires must be covered with a sprayed concrete layer to protect them against corrosion. Since this layer is not prestressed ...

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Apr 17, 2015 ... Solutions for Concrete Repair ... Post-Tensioned Concrete Repair; Strengthening ; Precast Concrete Repair; Structural & Non-Structural ...

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Concrete & Post-Tensioning Repair Services. Our staff of engineers, project managers and field technicians STRUCTURAL TECHNOLOGIES can assist in the ...

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Part 1 of this series of articles on Post-Tensioning ran in the ... post-tensioned transfer plate is used at the 57- ... years, post-tensioned concrete has been used.

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Apr 17, 2015 ... ... post-tensioning ducts, post-tensioning bearing plates and concrete ... height of the silo where the post-tensioned bearing plates are cast in ...

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Jun 20, 2015 ... The Seward Silo project involved the post-tensioning of three interconnected ash silos that are part of the Seward Re-Powering Project in ...

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Apr 17, 2015 ... Arch span of 1,675 feet; Horizontal and vertical post-tensioning ... existing 3.5-ton granite blocks, concrete removal, multiple stages of concrete ...

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Apr 17, 2015 ... 130,000 lbs. of post-tensioning bars. 1,085 tons of post-tensioning steel. Longest concrete box girder span in the US. Project Description.

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VSL International has edited and published this series of reports that provide valuable information on post-tensioned concrete applications and best practices.

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post-tensioning and to present the VSL External Tendons. It should .... Figure 3: First prestressed concrete bridge: Bridge over valley basin and railway at Aue,.

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These systems are commonly used in Bridges & Transportation Structures.

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Recognized as the industry leader in providing durable post-tensioning and ... as the Post- Tensioning Institute (PTI) and the American Concrete Institute (ACI).

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Apr 17, 2015 ... ... Post-Tensioning Systems; Micro-Reinforced Concrete Systems ... of reinforced concrete and other structure types, including masonry, timber ...

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Jun 26, 2015 ... ... four 4.2 million gallon capacity post-tensioned digesters the DuraStor ... Digesters constructed with self-consolidating concrete to improve ...

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f'ci (psi) is the nominal minimum concrete cylinder strength at the time of stressing . Maximum prestressing force may be applied when concrete reaches a ...

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Detail Sheets providing information on Primary Uses, Sizes, and Features can be accessed for each of the following GTI Post-Tensioning Accessories by clicking ...

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General Technologies, Inc. provides bonded post-tensioning system components worldwide. GTI® has a complete range of Bonded Products: Anchorages, Duct ...

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Post-tensioned concrete structures present an optimum construction technique to provide corrosion protection along with exceptional speed of construction.

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General Technologies, Inc. provides unbonded post-tensioning system components worldwide. GTI® has a complete range of Unbonded Products: Wedges, ...

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Mar 15, 2007 ... strength prestressing steel and concrete allows structural members to ... The construction benefits that unbonded post-tensioning provides in ...

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post-tensioning tendons in concrete segmental bridge construction for at least ... Protecting internal post-tensioning tendons for a 100-year service life is ...

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The Post-Tensioning Institute (PTI) and the American Concrete Institute (ACI) have mandated that "tendons used in all applications governed by ACI 318 shall  ...

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Jul 1, 2007 ... ical aspects of current American Concrete Institute (ACI) ... relate to unbonded post-tensioning encapsulation systems. The ACI document is ...

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DIVISION: 03 00 00CONCRETE. SECTION: 03 38 00POST-TENSIONED CONCRETE. REPORT HOLDER: GENERAL TECHNOLOGIES, INC.

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... GTI Products that are utilized on Post-Tensioned Projects by clicking below: ... under certain conditions small rupture may occur at the surface of concrete in ...

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First ASBI International Symposium, Future Technology for Concrete ... The segmental duct coupler maintains the integrity of the post-tensioning tendon duct.

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Apr 6, 2007 ... wedges and is used to transfer the prestressing force to the concrete. Anchor Cavity: Opening in the anchor or anchor block designed to ...

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General Technologies, Inc. provides equipment related to post-tensioning and concrete accessories to its customers. GTI Specialized Equipment is used with the ...

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Post-tensioning tendon protection strategies for precast elements is a complicated subject. ... authority on concrete construction and develops codes, reports, ...

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... a complete range of pocket formers for unbonded post-tensioning applications. ... anchor to the edge form thus eliminating staining of the concrete surface.

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Multistrand Post-Tensioning SystemCorrugated DuctCorrugated metal ducts are ... protection with excellent bond behavior between tendon grout and concrete.

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Multistrand Post-Tensioning SystemAvailable Anchorage TypesAnchorage ... and wedge plate makes it possible to insert the strand after casting the concrete.

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all applica tions in post-tensioned construction. .... DYWIDAG Bar Post- Tensioning System Details . .... the strand after casting the concrete. The wedge plate ...

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Feb 1, 2017 ... DYWIDAG Systems International specially developed this system, based upon its patent for extrusion coated strand for post-tensioned concrete ...

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Ground Penetrating Radar (GPR) is a nondestructive inspection method that maps through solid pavement materials, such as a concrete post-tensioned slab as ...

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The Bayport wastewater treatment facility in Pasadena, Texas, consists of a steel tank, a reinforced concrete structure and a post-tensioned structure to be used ...

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Grouting completes the installation process for post-tensioned concrete construction.The grout is important in protecting the steel from corrosion and contributes ...

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A cast-in-place post tensioned concrete design was chosen to provide an accelerated construction schedule and to keep the superstructure section as shallow ...

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The entire post-tensioning works of the concrete box girders were carried out using the easy-to-install high quality DYWIDAG Post- Tensioning Systems:.

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DSI produced, supplied and installed the complete post-tensioning systems needed for this project. Longitudinal post-tensioning of the precast concrete hollow ...

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Jun 13, 2017 ... Rock Anchors are post-tensioned tendons installed in drilled holes for which at least the entire bond length is located in rock. The anchor force ...

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Following completion of the Otay River Bridge as well as other numerous CIP post-tensioned concrete box-girder structures supplied and installed by DSI for the ...

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It makes a very good promotion for a precast, post-tensioned concrete structure with extreme lengths.The total project, also included two shorter bridges, started ...

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DSI supplies Monostrand Post-Tensioning Systems for the World's first Ultra High Performance Concrete Street BridgeDSI supplies Monostrand Post-Tensio...

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Laguna Bridge, Brazil: Precast Cantilever Elements Post-Tensioned using ... short bar tendons were used for temporary tensioning of the concrete precast ...

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In order to meet permanent floating requirements the segments were conceived as polystyrene-filled, thin walled concrete boxes. Prestressing provides strength ...

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... of flaws in structures, in particular, problems of voids in grouted post-tensioning ... DSI's procedures for NDT include locating the ducts in the concrete using ...

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Monostrand Post-Tensioning SystemComponentsPrestressing Strand PropertiesPrestressing Force *)Strand Sizein \ mmUltimate Stressksi \ MPaYield Stressks.

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place, post-tensioned concrete. A thorough structural analysis showed the root cause of the spalling to be the result of high chloride content at the level.

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Atlas offers approaches for beam and slab post- tensioned parking structures ... is a complete concrete forming system for post-tensioned concrete beam and ...

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349203
  • Western Forms, Inc.

    Post-Tensioned

    Attaching post-tension brackets is easy with Western's exclusive patent-pending ... slab edge forms can be braced to prevent movement during concrete placement. ... Western's forming system for post-tensioned slabs avoids the tedious steps ...

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post tensioned concrete