hydraulic lifting stressed strand lock nut jack post tension

Hydraulic Strand Jacks | Strand Jack Systems | Enerpac

Hydraulic Strand Jacks The strand jack lifting technique originates from the concrete post tensioning principle. A strand jack can be considered a linear winch. In a strand jack, a bundle of steel cables or strands are guided through a hydraulic cylinder; above and below the cylinder are anchor systems with wedges that grip the strand bundle.

DYWIDAG Post-Tensioning System using Bars

DYWIDAG Bars. The components of the DYWIDAG Bar System are manufactured in the United States exclusively by DYWIDAG-Systems International. Used worldwide since 1965, the system provides a simple, rugged method of efficiently applying prestress force to a wide variety of structural applications including post-tensioned concrete as well as rock and soil anchor systems.

Gaodetec Equipment Co., Ltd

all of the information listed is meant to be a general guideline for operation of post tension stressing equipment. the post tensioning institute publishes a “field procedures manual for unbonded single strand tendons” which can be obtained by calling (248) 848-3180. stressing jacks scj-short cable jack don'ts of stressing 6File Size: 431KB

Stressing, Load Testing and Post Tension Equipment | Hydra

Gaode Equipment Co., Ltd is professional factory for product kinds of prestressed anchorage systems and anchor device equipment, such as anchor system, pc steel strand, hydraulic jacks, oil pump, metal duct machine, embossing machine, PC Strands Pusher Machine.

Products - DSI USA

GLOSSARY OF POST-TENSIONING TERMS April 6, 2007 Page 4 of 20 Active-End Anchorage: Anchorage at the end of a tendon where the stressing jack is attached to the tendon during stressing operations. Added Tendons: Tendons, usually short in length, placed in specific locations such as end bays to increase the structural capacity at that location without having to use full-lengthFile Size: 218KB

Hercules Jack FAQs - Prestress Supply

Post-Tensioning Terminology (PTT) November 2013 Page 23 of 33 Stressing equipment for stress bars Grippers Special wedges used in the single strand jack to hold the strand during the stressing operation. Hand seating tool For unbonded single strand tendons, a handheld device used to pre-seat the wedges in the anchor before stressing.

tension jack, tension jack Suppliers and Manufacturers at

The jack frame typically bears against the steel plate while the hydraulic ram transfers a direct tension load to the application. When the pre-stress load is achieved, using Hydra Capsule’s digital pressurising equipment, the anchor nut and/or tendon wedges can be manually saeted to the pre-determined load, the jack is then released.

Prestressing Jacks | Mono Strand Pre Stressing Jacks

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Post tensioning Manufacturers & Suppliers, China post

Q. Does the Jack come calibrated? A. No jacks ever ship to a customer calibrated. Unfortunately, the shipping companies are not the most gentle people and more times than not your jack would not be calibrated by the time it got to you. Many state D.O.T.’s and PCI require the jack …

stress jack, stress jack Suppliers and Manufacturers at

A wide variety of tension jack options are available to you, such as hydraulic jack, electric jack. There are 647 suppliers who sells tension jack on .com, mainly located in Asia. The top countries of suppliers are China, Pakistan, from which the percentage of tension jack …

Building and Bridge Jacking Equipment, Structure Lifting

25 Tonne & 30 Tonne Mono Strand Pre-stressing Jacks. Both the 25 Tonne & 30 Tonne Mono Strand Prestressing Jacks or Pre Stressing Jacks have the ability to accept 0.5 (1/2”) & 0.6 (5/8”) Strand. They come with a carry handle and Spring Loaded Nose or Solid Nose.

Hydraulic Cylinders, Jacks, Rams | Enerpac

post tensioning manufacturer/supplier, China post tensioning manufacturer & factory list, find qualified Chinese post tensioning manufacturers, suppliers, factories, …

Prestressed Oil Pump|hydraulic Electric Power

A wide variety of stress jack options are available to you, such as hydraulic jack, electric jack, and bottle jack. You can also choose from 1-10t stress jack There are 305 suppliers who sells stress jack on .com, mainly located in Asia.

Hydraulic Equipment for Construction Application - Double

The safe stressing of prestressed concrete products . CONTENTS . ... which takes the forces from the stressed wire/strand and transfers them into the groun d, concrete or steel frame of the mould. ... calibrate the pump and jack system on site. Calibration Certificate: The certificate supplied with details of the jack/pump load/pressure ...File Size: 2MB

Design and Simulation of Hydraulic Jack - SlideShare

Pre-Stressing and Post-Tensioning; ... Hydra Capsule have supplied 100 number 100 and 180 tonnes hydraulic 'lock-nut' cylinders with all associated equipment and synchronised lifting system to ensure accuracy upto 1.00mm throughout all jacking locations to assist with the bearing replacement and repair for the widening project.

Stressing Jack - Post Tensioning System

THE FREYSSINET PRESTRESSED CONCRETE COMPANY LTD. Page: 2 TYPE OF PRESTRESSING SYSTEMS Prestressing System can be classified by two basic methods, as under:- a. Pre-Tensioning b. Post-Tensioning. Pre-Tensioning - is a method where Prestressing Steels are pre-stressed, prior to concreting, against two rigid abutments.

Post Tensioning, Methods, Advantages - Iamcivilengineer

Enerpac offers hundreds of different configurations of mechanical and hydraulic cylinders and lifting systems, plus products ranging from hydraulic jacks for portability and tight fits, to engineered systems for precise control over multiple lift points.

Post tensioning strand Manufacturers & Suppliers, China

Intelligent Prestressed Tension Colloidal grout mixer Hydraulic strand jack system. Lock Nut Hydraulic Jack Post tension anchor Hydraulic electric oil pump. Hydraulic Stressing Jack Anchor Extruder for Post Tensioning Strand pusher machine

Products - DSI EMEA

Manufacturer of Hydraulic Equipment for Construction Application - Double Acting Hollow Ram Bar Stressing Jacks, Double Acting Multi Strand Jacks-Long Profile, Double Acting Multi Strand Jacks With Integral Wedge Lock and Double Acting Mono Strand Jacks - Front Gripping offered by Orione Hydraulics Pvt. Ltd., Belgaum, Karnataka.Location: R. S. 691, Plot No. 4/1 Part, Block- B, Udyambag, -590008, Belgaum

PJM Industrial Products. List of All Products for Sale

Jan 24, 2018· In addition to these functions, "hollow" (also called "center hole") jacks can be used for pulling. And "Lock nut" jacks can be used for long periods (days and months) of load holding. Lock Nut (also called "Locking Collar") these hydraulic cylinders are used for lifting …

Concrete Splitter, Bridge Tensioning Equipment, Dth Drill

TMG Stressing Jack (also known as Multi Strand Jack) is small, compact and highly efficient.Unlike the Mono Jack where a single PC strand is stressed at any one time, Stressing Jack is meant to stress all the strands in the tendon at the same time. The purpose of stressing all strands at the same time is for speed and accuracy.

Stressing and grouting - DSI EMEA

Sep 05, 2016· Post-tensioning is a method of producing prestressed concrete, masonry and other structural elements. The term prestressing is used to describe the process of introducing internal forces (or stress) into a concrete or masonry element during the construction process in order to counteract the external loads that will be applied when the structure is put into use (known as service loads).

Mono Jack - Post Tensioning System

post tensioning strand manufacturer/supplier, China post tensioning strand manufacturer & factory list, find qualified Chinese post tensioning strand manufacturers, suppliers, factories, exporters & wholesalers quickly on Made-in-China.com.

Hydraulic Tools & Systems -> Hydraulic Cylinder - Aeroboom

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PJM Industrial Hydraulic Jacking & Lifting Systems Products. A list aof all the jacks, stands, hydraulic, lifting, transportation, workshop products and equipment for sale.

Buy top quality concrete splitter, bridge tensioning equipment, dth drill, cement mortar pump, section bending machine at low price here with professional manufacturers and suppliers in China. Enjoy good wholesale service with our factory.

DSI's small and lightweight jacks are easy to operate and facilitate the stressing operation. Heavy lifting aids are usually not necessary. The jack is pushed over a pull rod coupler that is threaded onto the bar protrusion behind the domed anchor nut. The jack is then fixed with a pulling nut. The tension load is hydraulically transferred.

Mono Jack (also known as Single Strand Jack) is designed to stress a single PC strand (bare or epoxy coated) and PC Wire. It is wide used for post tensioning. TMG Mono Jack has an automatic grip-and-release build-in system that allows faster stressing. The hardened steel hollow double-acting Mono Jack is part of the TMG range of hydraulic jacks.

Portable High Tonnage Jacks; Post Tensioning Equipment. Post Tensioning Pumps; Mono Strand Stressing Jacks; Single Strand Post Tensioning Jack (Front Grip) Post Tensioning Jack Twin Cylinder; Single Strand Post Tensioning Jack (Rear Grip) Multi-Strand Hydraulic Stressing Jacks; Crane Scales. Unibody Crane Scale (AB-OCS-SL) Unibody Crane Scale ...