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Technology LC!!!! > Structures > Flashcards

Structures Flashcards

1
Q

Structural Member

A

a part of a structure

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2
Q

tension

A

pulling force

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3
Q

compression

A

pushing force

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4
Q

load

A

weight a structure is built to support

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5
Q

static load

A

consistent force on a structure

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6
Q

dynamic load

A

force varies across structure

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7
Q

force

A

something that causes an object to change shape/ direction

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8
Q

bridges

A

structure that spans a gap

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9
Q

cantilever

A

beams supported by one end

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10
Q

scaffolding

A

secure temporary structure allowing access to higher, harder to reach areas

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11
Q

box structures

A

box shaped

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12
Q

beam structures

A

simple structures spanning a gap

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13
Q

arch structures

A

curved structure that spans a gap

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14
Q

shell struture

A

derives strength from contours - curves and ridges dd support

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15
Q

frame structure

A

frame

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16
Q

open frame

A

no cover on a frame structure

17
Q

closed frame

A

covered frame structure

18
Q

columns and pillars

A

vertical beams designed to support loads directly above them

19
Q

triangulation

A

addition of triangles for added strength

20
Q

I section beam

A

cross section looks like a capital i

21
Q

u section beam

A

cross section looks like an angular U

22
Q

square section beam

A

tubular beam cross section looks like a square

23
Q

L section beam

A

cross section looks like an L

24
Q

T section beam

A

cross section looks like T

25
Q

circle section beam

A

tubular beam - cross section looks like a circle

26
Q

shear

A

ripping or tearing force in opposite directions

27
Q

torsion

A

twisting force

28
Q

bending

A

bend - combination of tension and compression

29
Q

friction

A

force between two moving objects

30
Q

stable equilibrium

A

a small force is applied and it returns to its original state

31
Q

unstable equilibrium

A

a small force disrupts an object completely

32
Q

centre of gravity

A

heaviest/densest part of an object

33
Q

destructive testing

A

destroys an object to test its limits

34
Q

non destructive testing

A

tests an object without damaging it or reducing its future uselessness

35
Q

tie

A

structural member in tension (stops object from separating)

36
Q

strut

A

structural member in compression (stops objects from being pushed together0

37
Q

cladding

A

word for the cover on a closed frame structure

38
Q

corrugation

A

shell structure oft used for roofs - looks like a sine wave from an edge view

39
Q
A

Technology LC!!!! (3 decks)

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