Graphical Construction Glossary >> Temporary Work. >> formwork >> Strongback
The photo above shows a flight of stairs about 3000 wide. The two beams sitting on top of the riser forms are supported at the top by a timber across the side forms. The beams have cleats that hold the risers up and also struts that stop the risers pushing horizontally outwards.
Note that they in turn are supported at the bottom by the existing concrete slab.
Above the guy on the left is steadying a tilt panel by holding the steel channel strongback.
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