hollow jack for prestress

Tension Jack, Tension Jack Suppliers and Manufacturers at

.com offers 3,224 tension jack products. About 55% of these are car jacks, 18% are metal building materials, and 3% are other construction machinery. A wide variety of tension jack options are available to you, such as hydraulic jack, electric jack, and bottle jack.

Prestressing Hydraulic Hollow Jack, Prestressing Hydraulic

.com offers 816 prestressing hydraulic hollow jack products. About 77% of these are car jacks, 4% are cylinders. A wide variety of prestressing hydraulic hollow jack options are available to you, such as >50t, 1-10t, and 21-30t.

China PC Strands Hollow Jack for Post Tension - China

Prestress Jack, Hollow Jack, Hydraulic Jack manufacturer / supplier in China, offering PC Strands Hollow Jack for Post Tension, Small Mini Cement Mortar Concrete Pump for Sale, Electrical Mini Concrete Pump for Small Construction and so on.

Prestressing Jack Assembly - Concrete Engineering general

I need to prestress some sample slabs with Steel, GFRP and CFRP, but I can not find a good place that explains how the bars can be gripped on the jack end. Would I simply use a wedge? If so how can I adapt it to a hollow jack? I see the enerpac and other jacks have a great system but we can't afford those since these are just test models.

Concrete Anchor Jack for Prestressing Railway Bridge

Prestress Jack, Hollow Jack, Hydraulic Jack manufacturer / supplier in China, offering Concrete Anchor Jack for Prestressing Railway Bridge Construction, High Power 200 Meter Crawler Water Well Drilling Rig Machine Geological Core Drilling Rig, Small Borehole Water Well Drilling Rig for Sale and so on.

Prestressed concrete - Wikipedia

Prestressed concrete is a form of concrete used in construction. It is substantially "prestressed" during its fabrication, in a manner that strengthens it against tensile forces which will exist when in service.: 3–5 This compression is produced by the tensioning of high-strength "tendons" located within or adjacent to the concrete and is done to improve the performance of the concrete in ...

Plants for hollow core slabs - Tecnogerma - Precast

Tecnogerma provides a range of machines for prestressed concrete hollow core slabs: Slipformers, saws, casting beds, ... Plants for hollow core Slabs. ... jacks, grips accessories and related services. We design and build bespoke stressing solutions for new and existing precast factories producing any type of prestressed concrete products.

Used Prestress Equipment - iwi group

iwi group, LLC dedicated to providing services and equipment (new and used) to the concrete products industry. Formed in 1999. New industrial equipment and parts ...

deamron.com

PCI MANUAL FOR THE DESIGN OF HOLLOW CORE SLABS SECOND EDITION by Donald R. Buettner and Roger J. Becker Computerized Structural Design, S.C. Prepared for the PCI Hollow Core Slab Producers Committee John E. Saccoman, Chairperson James Beerbower Ernest Markle Kevin Boyle James Markle Jeffrey Butler Milo J. Nimmer Loris Collavino William C ...

ISO Cerfitified Prestressing Multi-strand Hydraulic Hollow

[email protected] (270) 684-6226. About; Product Summary; Project Gallery; Locations; Team

Hydraulic Jacks - DSI USA

ISO Cerfitified Prestressing Multi-strand Hydraulic Hollow Jack ♦ YCW-series light stressing jack is a kind of general-purpose feed-through jack for prestress applied for tension of various steel strand anchors. ♦ Stressing jack is widely used in post-tensioned large buildings and structures, prestressed concrete bridges, rock and earth anchoring construction, hydraulic structures ...

VSL | Post-tensioning strand systems | Post tension

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Home Business Lines SYSTEMS & TECHNOLOGIES POST-TENSIONING STRAND SYSTEMS. Post-tensioning strand systems. VSL designs, manufactures and installs durable, state-of-the-art post-tensioning systems that comply with international standards and approval guidelines for both new and existing structures. ... creating a hollow void for the PT strands ...