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    Grout injection port Wedge Plate Strand Grout Cap Wedges Trumpet or cone Anchor plate Duct Anchor bearing area Grout Cap Anchor head Anchorage Duct Figure 1.3 - Typical Post-Tensioning Anchorage Hardware for Strand Tendons.

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    Photo 20 ­ Wedges in Anchor Head. 16 California Prestressing Manual. ... Figure 5 ­ Schematic Of A Typical Post-Tensioning System. 18 ... A short plastic tapered section transitions the flat duct to the flat steel anchorage. A steel tension ring is inserted at a smaller end to confine the lateral forces caused by the splayed ends. This system ...

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    The large scale use of post-tensioning started with the introduction, in 1939, of Freyssinet’s system whereby a double-acting jack was used to tension and to anchor 12 wire cables in conical wedges, which served as anchors.

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    Fabricate all metal parts of the anchorage devices from stainless steel or from steel protected with a corrosion resistant metallic coating that does not react chemically with concrete. ... conduct a system approval test on one anchor on the project, not to be incorporated in the work. ... Anchor post-tensioned prestressing steel at the ends by ...


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    High Performance Engine Parts Cast Iron Cylinder Block / Cylinder Head for Motorcycle ... SGS CE Ductile Cast Iron Top Cup Ledger Blade For Cuplock Scaffoldding System; Post Tension Anchor. ... Cast Iron Post Tension Anchor Concrete Anchor Plate Bearing Plate for Prestressed Concrete; Monostrand Anchorage Plastic Pocket Former Pocket Cap ...

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    Stainless Steel Round Bend U-Bolt Without Head ... Post-Tensioned Steel Cable , Pre-Stressed Steel Wire , PC Steel Wire , Pre-Stressed Anchorage Anchor and Wedge ... Pre-Stressed Anchorage Anchor and Wedge Mgmt. Certification: ISO 9001, ISO 9000 City/Province: Tianjin, Tianjin Related Products ...

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    Uncoated Seven Wire Strand for Prestressed Concrete.1 Prestressing Steel Strands and Bars 2. since susceptibility to corrosion increases with increasing tensile strength. ... Two or three parts with a spring wire retainer clip or o-ring in a groove around the thick end.Post-Tensioning Bar Anchorage System (Courtesy of DSI) Version 2.4 Wedges ...

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    The extensive programme of inspections for all prestressed concrete bridges in the UK during the 1990s ... The second method is to provide a capping of concrete to encase the anchor head and ... Leakage through such cracks cannot be identified by post-concrete pressure testing of anchorage components before post-tensioning. However, tendons ...

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    Typical Post-Tensioning Anchorage Hardware for Strand Tendons Typical Post-Tensioning Bar System Hardware. . ... and devices combining bearing and wedge plate in once piece. or round plates.Basic Anchor Plate For acceptance. a basic bearing plate should comply with the requirements of AASHTO LRFD Construction Specifications. . ... An internal ...

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    University of Houston Master Construction Specifications Insert Project Name . AE Project Number: Concrete Forming and Accessories 03 10 00 – 1 ... “Suncoast Stud Reinforcement System”, Suncoast Post-Tension, Ltd. 28. Supports for Reinforcement: Provide supports for reinforcement including ... anchor rods. Steel template shall be clearly ...

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    ( When prestressing steel for post tensioning is installed in the ducts after completion of concrete curing, and if stressing and grouting are completed within 10 days after the installation of the prestressing steel, rust which may form during those 10 days will not be cause for rejection of the steel. ... high-strength fastener components and ...

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    A821/A821M-15: Standard Specification for Steel Wire, Hard-Drawn for Prestressed Concrete Tanks A824-01(2017) : Standard Specification for Metallic-Coated Steel Marcelled Tension Wire for Use With Chain Link Fence

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    Prestressed concrete panels are subject to the requirements for prestressed concrete members as specified in ... Do not allow the unit working stress in the steel sheet to exceed 72.5% of the specified minimum yield strength of the material furnished nor 36 ksi. ... Do not weld to flanges in tension or to structural steel bridge elements ...

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    Building Codes/Construction Collection. TABLE OF CONTENTS ... Seven-Wire Steel Strand for Prestressed Concrete. ... A574 Standard Specification for Alloy Steel Socket-Head Cap Screws. A575 Standard Specification for Steel Bars, Carbon, Merchant Quality, M-Grades.

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    553 Prestressed Concrete 374. 554 Reinforcing Steel 390. 555 Steel Structures 394. ... Section 722 Anchor Material. 722.01 Anchorage Devices 691 722.02 Ground Anchors 691 722.03 Rock Bolts 693. ... — Post Tensioning Institute. SAE — Society of Automotive Engineers. SF

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    "Is a structural element which divides adjacent window units, may also vertically divide double doors, acts as a structural member, and it carries the dead load of the weight abov

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    Department of Transportation Standard Specifications for Highways and Structures , including modifications to these specifications, will be used for construction in the District.

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    Instructions for different items of equipment that are component parts of a complete system, shall be given in an integrated, progressive manner. All instructors for every piece of component equipment in a system shall be available until instructions for all items included in the system have been completed.

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    Encyclopedia of Occupational Safety & Health : Chapter 93 - Construction ... Major contractors working in parts of the world subject to similar regimes must therefore be familiar with health and safety standards in those countries where they carry out work. ... the design of the steel frame and the working practices of the steel erectors should ...

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    All components of heat production and distribution system, metering equipment, condensate returns, and other auxiliary facilities used in temporary service shall be cleaned prior to use; maintained to prevent corrosion internally and externally during use; and cleaned, maintained and inspected prior to acceptance by the Government.

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    Furnish, galvanize, place and paint, as applicable, bearing components, anchor bolts, washers, nuts, structural and reinforcing steel, miscellaneous hardware, paint, bearing assemblies and all other materials; handle, transport and store materials; furnish erection drawings; paint; set bearings and anchorage; grout and erect and install the ...

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    A post-tensioned system is when anchorages and ducts are positioned in the casting bed prior to concrete placement to accommodate the installation and stressing of the post-tensioning steel at a future date after the concrete has cured adequately.

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