Strand Jacking Roof

Ale mega jack lifting an entire roof for mining project duration.

Strand jacking roof.

General arrangement drawings of these strand jacks and fixed anchors are given on the. Thousands of tons or more with multiple jacks loads for construction and engineering purposes. The roof lift itself required an incredibly complex synchronized strand jacking operation involving 216 strand jacks making it one of the biggest synchronized strand jacking operations ever undertaken in the uk for a single lift. Uk was involved in the lifting of the cover cable system of the seating area of la peineta stadium in madrid spain.

Strand jacks offer a compact economic and highly controllable solution for heavy lifting and lowering operations. Strand jacks applicationstrand jacks. We manufacture strand jacks from 15 tonnes capacity per jack though to 1672 tonnes capacity per jack together with power packs and control systems to enable controlled lifting of heavy objects at up to 80 lifting points or more and with lifting speeds usually of between 5 50. Both clamps are gripping a steel wire.

Strand jacking provides the possibility to place heavy elements safely in nearly inaccessible places. The system has two clamps. A strand jack also known as strandjack is a jack used to lift very heavy e g. A strand jack is a system similar to a jack however in this case the load is not pushed up but the jack pulls up a bundle of wires which is called a strand.

How to form pour and stamp a concrete patio slab duration. The bottom clamp is fixed and the upper clamp is connected to a hydraulic cylinder that can move up and down. The seating area was to be covered with flexible membrane roofing supported by a tensioned cable net structure. Containment structure domes are often lifted using heavy.

Our jacking tower systems are designed to meet specific client requirements. Spain lifting of the roof of the new atletico madrid stadium 1 fagioli ltd. To start lifting the bottom clamp releases the wire and the. Tower lift is an extremely heavy duty structural support system designed in modular form for ease of assembly erection.

To date jacking towers supplied by us have been used to erect offshore structures weighing up to 2800 tonnes goliath crane girders weighing up to 6 000 tonnes large roof structures weighing up to 2 600 tonnes and petrochemical vessels weighing up to 5 000 tonnes. Strand jacks are mainly used with towerlift system. Civil strand jacking system n a. Strand jacks and tower lift system are specifically used for heavy lift hoisting operations for the oil gas and civil industry.