Construction

Construction

The art, trade, or work of building.

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Construction > Surveying

aquifer

Construction; Surveying

An underground porous, water-bearing geological formation.

apron

Construction; Surveying

A pad of non-erosive material designed to prevent scour holes developing at the outlet ends of culverts, outlet pipes, grade stabilization structures, and other water control ...

alluvium

Construction; Surveying

A general term for all detrital material deposited or in transit by streams, including gravel, sand, silt, clay, and all variations and mixtures of these.

aggregate

Construction; Surveying

(1) The sand and gravel portion of concrete (65 to 75% by volume), the rest being cement and water. (2) That which is installed for the purpose of changing drainage ...

accuracy

Construction; Surveying

Degree of conformity with a standard. Accuracy relates to the quality of a result, and is distinguished from precision, which relates to the quality of the operation by which the ...

abutment

Construction; Surveying

The sloping sides of valley that supports the ends of a dam.

riprap

Construction; Surveying

Broken rock, cobble, or boulders placed on earth surfaces, such as the face of a dam or the bank of a stream, for protection against the action of water (waves).