A Dictionary of Construction, Surveying, and Civil Engineering by unknow

Author:unknow
Language: eng
Format: epub, pdf
Publisher: Oxford University Press, Incorporated
Published: 2020-01-13T00:00:00+00:00

http://www.engc.org.uk/

• The Engineering Council website details the different professional qualifications that can be obtained and is the source of the above quotation.

increaser A pipe that tapers from one diameter to another allowing pipes of different diameters to be joined together. The pipe is usually fixed with the pipe increasing in size along the direction of the flow.

indefinite integral An *integral which when differentiated equals a given function.

indent A groove or recess that is cut in a material or component.

indented joint A joint that is formed from two matching indents.

indenting 1. The process of cutting an *indent into a material or component. 2. The grooves, tracks, or marks left in flooring from heavy loads and traffic.

indenture A written contract with two or more parties, typically used for an apprentice to serve a master.

independent float Time before or after an activity that provides some flexibility over when a task can be started or finished, without affecting subsequent tasks. Tasks with float can be started as soon as a preceding task finishes or the task can be started later, within the specified float time, without affecting the start or finish date of any subsequent tasks.

independent scaffolding Tubular support system, with two sets of parallel *standards providing vertical support independent of the building, that allows operatives to work at heights. The support system is made of individual poles and clips that are fastened together to suit the structure that they are tied into. All of the vertical support is provided by the vertical poles in the scaffolding, horizontal support is provided by *braces and ties into the building. The ties are normally fixed into window openings or around columns.

indeterminate structure Where the internal forces or reaction components cannot be calculated by using the equations of equilibrium alone—equilibrium must be combined with compatibility. Two classical approaches to solve such structures include the force method and the slope-deflection method.

index In mathematics, the notation used to state how many times a number is multiplied by itself.

indicating bolt A type of *privacy latch that when engaged indicates whether the door is locked or unlocked or if the room is occupied or vacant.

indicator A device that shows the status of something. It may take the form of a meter, a gauge, or a light (indicator light).

indicator panel (annunciator) A large panel comprising a number of different indicators.

indigenous Originating or belonging to a particular region or country.

indirect Not direct, not in a straight line, or not immediate.

indirect action See action.

indirect air leakage point A point in the building envelope where *air leakage occurs indirectly through the *primary air barrier via a series of interconnected voids from inside the thermal envelope to outside or vice versa. Common points include on external and party walls at the ground floor/external wall junction, under kitchen and utility room units, around staircases, into intermediate floor voids and at intermediate floor perimeters, into service voids (e.g. behind bath panels), and at service penetrations where they penetrate the dry-lining and/or internal finish. See also direct air leakage point.

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