RC TERMS

invented Portland cement by burning finely ground chalk and clay until the carbon dioxide was removed

the first person to use

reinforced concrete by using iron bars and wire mesh to reinforced concrete boats

A French gardener who first invented reinforced concrete in the year 1849

used iron bars and wire ropes to reinforce the concrete floors of a two –story

cottage he constructed

a 19th century French industrialist who use iron reinforced concrete in construction on a widespread scale.

designed the

first arch bridge using reinforced concrete, in Solt, Hungary.

in United States, placed the first concrete street in Bellefontaine

designed the Unity Temple to use four massive, identical concrete walls so that the expansive

formwork could be repeated multiple times.

developed the pre –

stressed concrete, a method of concrete construction using cables called pre – stressed tendon

is a mixture of sand, gravel or crushed rock, and other aggregates held

together in a rock – like mass with a paste of cement and water

is a

structural material composed of concrete reinforced with steel bars.

when concrete compressive stress reaches the allowable.

when steel tensile stress reaches the allowable.

when concrete compressive

stress reaches the allowable, and steel tensile stress reaches the allowable.

given the load, solve for the size and reinforcement

given the size and reinforcement, compute the load.

failure is due to yielding of steel.

failure is due to crushing of concrete.

failure is due to simultaneous crushing of concrete and yielding of steel.

Criteria for design