Fab Yard

Reinforcing Steel (rebar) and Reinforced concrete construction is one of the most common and cost effective methods of construction in use today.

What is Rebar?
The first known use of reinforcing steel date back to 1867 when a Parisian gardener named Joseph Monier who made cement pots and tubs began using iron mesh to keep his pots from cracking and breaking apart. This seemed to work very well and modern day reinforced concrete began to emerge. The first reinforced concrete structure ,the Alvord Lake Bridge in San Francisco's Golden Gate Park was built by Ernst L Ransome in 1869 using steel rods and cable to reinforce the concrete. This bridge still stands today. The concept of reinforced concrete is simple, concrete is strong in compression but weak in tension, steel is strong in tension but weak in compression. Together with proper engineering they create a very strong structural component with seemingly unlimited uses in modern day construction.

Please see CRSI link below for assembling reinforcing in the fabricating shop. http://www.crsi.org/ecommerce/pdf/30EDR53.pdf

 

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