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Afterwards, once the concrete has gained strength but before the service loads are applied, the cables are pulled tight, or tensioned, and anchored against the outer edges of the concrete. There are two methods of introducing prestressing to a concrete, namely pre tensioning and post tensioning. Post-tensioning is a form of prestressing.

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Bridge Construction Hydraulic Post-tensioning Strands Pusher Machine . PRODUCT DETAIL INTRODUCTION CSJ series of pc strand pusher machine is a equipment which used to feed through pc strand into corrugate pipes. Its maximum pushing distance can be reach more than 200m, minimum pushing distance is less than 40m.

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Bridge Construction Post-Tensioning PC Strand Pusher Machine. Product Description. Bridge Construction Post-Tensioning PC Strand Pusher Machine PRODUCT DETAIL INTRODUCTION CSJ series of pc strand pusher machine is a equipment which used to feed through pc strand into corrugate pipes. Its maximum pushing distance can be reach more than 200m, minimum pushing distance is less than 40m.:

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1. LS strand pusher machine can push pc strand continuously . 2. It has the features of easy operation, reliable performance, efficiency significantly. 3. The machine reduces the labour, and widely used for large-scale bridges, and constitutive objects. 4. High performance with good quality 5. It is the main tool of through strand in building ...

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STRUCTURAL TECHNOLOGIES’ post-tensioning specialists are committed to bringing innovation to complex projects. Our in-house design professionals have extensive experience in structural design and are active members of technical organizations such as the Post Tensioning Institute (PTI) and the American Concrete Institute (ACI).

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Prestressing Equipment

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Feb 29, 2016 · Post tension works: Shows how fast electric pushing machine in installing the stressing strands inside the post tensioned ducts in short time.

The use of post-tensioned concrete slabs in hybrid

In this instance, the judicious use of in-situ post-tensioned slabs with precast edge beams, combined with precast columns, simplified buildability, accelerated construction and reduced costs. POST-TENSIONING / PRESTRESSING Above: Strand pushing machine. Above left: Precast edge beams after strand …

Prestressed Concrete (Post Tensioning Concrete): Post

Post Tensioning Grout Machine 1. Model: CNM-HB Series. 2. Motor Voltage: Three Phase, 380V, 50hz, or Single Phase, 220V, 50Hz. 3. Usage: For grouting cement(or concrete) to tunnel of ducts in post tensioning and prestressing construction.

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Method Statement for Post Tensioning Friction Test

Jan 15, 2014 · Post-tensioning components should follow criteria below: Duct : ID/OD 80 ⁄ 87 0.35mm thick following specification EN 523 Strand : OD 15.24mm 7 wire low relaxation strand compliance with ASTM A416 Anchorage : 12T-15 PT system compliance with ETAG 013 requirements Hydraulic stressing jack or load cell should be calibrated within 2% tolerance ...

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Bridge Construction Post-Tensioning PC Strand Pusher Machine PRODUCT DETAIL INTRODUCTION CSJ series of pc strand pusher machine is a equipment which used to feed through pc strand into corrugate pipes. Its maximum pushing distance can be reach more than 200m, minimum pushing distance is less than 40m.:

The Importance of Monitoring Temperature During Post

Nov 27, 2018 · Post-tensioning tendons, which are prestressing steel cables inside plastic ducts or sleeves, are positioned in the formwork before the concrete is placed. Steel tendons used for post-tensioning typically have a tensile strength of 270,000 pounds per square inch (psi), are about 1/2 inch in diameter, and are stressed to a force of 33,000 pounds.

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Post -tensioning Pc Strand Pusher Machine For Prestressing

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