Structures

Question 1

Structural Member

Answer 1

a part of a structure

Question 2

tension

Answer 2

pulling force

Question 3

compression

Answer 3

pushing force

Question 4

load

Answer 4

weight a structure is built to support

Question 5

static load

Answer 5

consistent force on a structure

Question 6

dynamic load

Answer 6

force varies across structure

Question 7

force

Answer 7

something that causes an object to change shape/ direction

Question 8

bridges

Answer 8

structure that spans a gap

Question 9

cantilever

Answer 9

beams supported by one end

Question 10

scaffolding

Answer 10

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

Question 11

box structures

Answer 11

box shaped

Question 12

beam structures

Answer 12

simple structures spanning a gap

Question 13

arch structures

Answer 13

curved structure that spans a gap

Question 14

shell struture

Answer 14

derives strength from contours - curves and ridges dd support

Question 15

frame structure

Answer 15

frame

Question 16

open frame

Answer 16

no cover on a frame structure

Question 17

closed frame

Answer 17

covered frame structure

Question 18

columns and pillars

Answer 18

vertical beams designed to support loads directly above them

Question 19

triangulation

Answer 19

addition of triangles for added strength

Question 20

I section beam

Answer 20

cross section looks like a capital i

Question 21

u section beam

Answer 21

cross section looks like an angular U

Question 22

square section beam

Answer 22

tubular beam cross section looks like a square

Question 23

L section beam

Answer 23

cross section looks like an L

Question 24

T section beam

Answer 24

cross section looks like T

Question 25

circle section beam

Answer 25

tubular beam - cross section looks like a circle

Question 26

shear

Answer 26

ripping or tearing force in opposite directions

Question 27

torsion

Answer 27

twisting force

Question 28

bending

Answer 28

bend - combination of tension and compression

Question 29

friction

Answer 29

force between two moving objects

Question 30

stable equilibrium

Answer 30

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

Question 31

unstable equilibrium

Answer 31

a small force disrupts an object completely

Question 32

centre of gravity

Answer 32

heaviest/densest part of an object

Question 33

destructive testing

Answer 33

destroys an object to test its limits

Question 34

non destructive testing

Answer 34

tests an object without damaging it or reducing its future uselessness

Question 35

tie

Answer 35

structural member in tension (stops object from separating)

Question 36

strut

Answer 36

structural member in compression (stops objects from being pushed together0

Question 37

cladding

Answer 37

word for the cover on a closed frame structure

Question 38

corrugation

Answer 38

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