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CN101279483A - Integral tension, relaxation system and

Integral tension, relaxation system and technique for pre-tensioned prestressing tension technique

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Prestressed force anchor device. Model / Specifications: Wedge Anchor. Brand Name:HONGXIN. Details: XYM prestressing anchorage consists of stress-end anchorage, fixed end anchorage, plastic or metal corrugated ducts, PC strands(PC wire bundle).The products can be divided into two types according to their strand diameters: XYM13 and XYM15.

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The invention discloses a hoop type tool suspender device for changing a steel pipe truss concrete arch bridge suspender. The device comprises an upper cross beam, a tensioning-end anchorage, upper and lower temporary ropes, a conversion beam, a fixing-end anchorage, a lower joist and a hoop type arch crown anchoring antiskid system consisting of a bolt, a lifting belt, an anchoring hoop, a ...

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Effect of Sleeve Material on Interfacial Contact Behavior

Effect of Sleeve Material on Interfacial Contact Behavior of CFRP-Metal Couples ... consisting of two heat-treated tool steel plates, 90 mm long and 25 mm thick [Fig. 2(a, b)]. ... Numerical Simulation and Experimental Validation of an Integrated Sleeve-Wedge Anchorage for CFRP Rods.

POST TENSION SERVICES INDIA PVT. LTD.

Post-Tensioning Systems apply compressive force to the structure through the stressing of high strength steel strand with specialized anchorage assemblies. ... The history of pre-stressing technology is the history of the invention of tools and techniques, and is similar in many ways to the history of concrete construction. ... Post-tensioning ...

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Railway Wheel Chock - specialisedforce.com.au

Aldon Aldon 4011-18 Nine Lives Wheel Chock Wedge. Aldon 4011-18 Nine Lives Wheel Chock Wedge A practical alternative to using oak or wooden wedges as wheel...

rope tensioning device - LuLuSoSo.com

Adjustable Fastening Device for Wire Rope 45#Steel 40 chromium stainless steel bohai safety &special tools co.,ltd--a famous and professional manufacturer Our safety tool …

steel plate for ground anchor -BEBON STEEL hot product

Steel ground anchor plates / spiral / wedges plates,, Tianjin, China (Mainland), SJT, KM series anchorage and wedge.Source from Tianjin Shengjintai Steel & Iron Co ... Concrete in ground anchors embedded ground anchor …

Beam & Steel Anchors | NH Bragg

3M DBI-SALA Fall Protection 1003006 Pass-Thru Web Tie-Off Adaptor, 310 lb Load, 3 in Ring, 6 ft L, Steel/Polyester

Ground Anchor Systems | Prestressed Concrete - Scribd

Williams Form Engineering is known throughout the world as one of the leaders in the manufacturing of ground anchor systems. With over 80 years of experience we are able to provide product and/or information for virtually any ... or a wedge plate and wedges for a strand system. ... the driving tool (called drive steel) is removed. The anchor is ...

Lanyards | NH Bragg

3M Protecta Fall Protection 1340161 6' Protecta PRO™ Stretch Shock Absorbing Lanyard, Double-leg with snap hook & flat steel rebar hooks

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California Ag Mechanics Tool ID Manual - CSU, Chico

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Effect of Sandblasting on Interfacial Contact Behavior of

One end consisted of two hardened tool steel plates, 90 mm long and 25 mm thick (Fig. 2). A groove, 12.65 mm long, was machined in each plate to accommodate metal sleeves of given outer diameter OD 1 .

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1926.800 - Underground Construction | Occupational Safety

Tool and Control Bars. File; Edit; Template; Construction Stages; Visualization; Modes; Outputs; ... The internal stability of an anchorage system of sheeting is determined for each layer independently. The verification analysis determines an anchor force, which equilibrates the system of forces acting on a block of soil. ... The theoretical ...

4.2.8 HIT-HY 20 for Masonry Construction - PDF

This section applies to the construction of underground tunnels, shafts, chambers, and passageways. ... drill steel, tools, and other equipment shall be secured and the mast shall be placed in a safe position. 1926.800(q)(5) ... When using wire rope wedge sockets, means shall be provided to prevent wedge escapement and to ensure that the wedge ...

Wedge SPECIFIED FOR ANCHORAGE INTO CONCRETE Wedge anchs feature a stainless steel expansion clip, threaded stud body, nut and washer. ... T OOL STEEL FACTS AISI O1 Cold work tool steel Great Tooling Starts Here! This information is based on our present state of knowledge and is intended to provide general notes on our products and their ...

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