Concrete

Concrete

Referring to an artificial, stonelike material used for various structural purposes, that is made from the drying and hardening of cement.

Industry: Building materials

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Concrete

separation

Building materials; Concrete

The tendency of coarse aggregate to separate from the concrete and accumulate at one side as concrete passes from the unconfined ends of chutes, conveyor belts, or similar arrangements.

segregation

Building materials; Concrete

The tendency for the coarse particles to separate from the finer particles caused by excessive handling or vibration. In concrete, the coarse aggregate and drier material remains behind and the ...

screen

Building materials; Concrete

A metallic sheet or plate, woven wire cloth, or similar device, with regularly spaced openings of uniform size, mounted in a suitable frame or holder for use in separating material according to size.

screed rail

Building materials; Concrete

Firmly established grade strips or side forms for unformed concrete that will guide the strike off in producing the desired plane or shape.

screed guide

Building materials; Concrete

Firmly established grade strips or side forms for unformed concrete that will guide the strike off in producing the desired plane or shape.

power float

Building materials; Concrete

Motor-driven revolving blades that smooth, flatten, and compact the surface of concrete slabs or floor toppings.

To level off concrete to the correct elevation during a concrete pour. To strike off concrete lying above the desired plane or shape. A screed is also a tool for striking off the concrete surface, ...