Archive for "9月, 2013"

What are safety rules to disassemble the launching gantry?

FAQ 九 05, 2013 No Comments

After the launching gantry finishes installing precast girders, it needs to work in another worksite. With heavy weight, large volume and long distance, it is necessary to disassemble the launching gantry for a convenient transportation. Below are some rules that shall be followed:

assembly of main girder

assembly of main girder

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How to test steel plates for launching gantry?

FAQ 九 04, 2013 No Comments

Launching gantry main girders usually use Q235 and Q345 steel plates, which bear main loads. So it is vital to purchase high quality steel plates.

workshop

workshop

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What do you know about packing on launching girder?

FAQ 九 02, 2013 No Comments

Launching girder is large bridge construction equipment which is also called overhead launching gantry, launching gantry, bridge girder launcher, bridge construction/ building crane, usually it uses full span method to install bridge girders, then move to next span.

main girder of launching girder

main girder of launching girder

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