Hydraulic Jack

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The equipment used in the prestressing construction process includes: jack, extruder, grouting machine, oil pump

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Tensioning Equipment

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BRIEF INTRODUCTION

Jacks are designed to perform tensioning for pre-stressed concrete strand (PC strand)and anchorages and are widely used in post-tension for complex, structures, bridges, rock reinforcement,hydraulic structure and base reinforcement.They could also be used to tensioning the reinforcement bar anchorages, pre-stressed anchor bolts, and anchorages of cold-headed PC steel wires. The jacks are made of the high-grade steel and highly compacted and light with short axis which allows short end for gripping.

MONO-STRAND JACK

Mono-strand jack have internal re-usable anchor which can automatically clamp and loosen the wedge,they are mainly used for YJM15 and YJM13 type various single tensioning with bonded and unbounded.

Mono-strand jack could be matched with different size, length

of the top cover,retreat anchor device,to used in the experiment by root tension pre-tightening,tension retreat anchorand staycable tone with single cable.

HYDRAULIC JACK

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