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BT > Saguindan > Flashcards

Saguindan Flashcards

0
Q

What is concrete mixture

A

Cement sand gravel water

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1
Q

Artificial stone made from mixture of cement sand gravel water

A

Concrete

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2
Q

Three types of substructure

A

Slab on fill, crawl space, basement

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3
Q

Transfers the load to the earth at the base of the column/wall of the substructure

A

Shallow foundation

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4
Q

Transfers the load at a point far below the substructure

A

Deep foundation

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5
Q

A layer of coarse granular materials placed and compacted on undisturbed soil to prevent the capillary rise of moisture

A

Base coarse

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6
Q

Class aa concrete mix

A

1:1 1/2:3

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7
Q

Class a concrete mix

A

1:2:4

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8
Q

Class b concrete mix

A

1:2 1/2:5

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9
Q

Class c concrete mix

A

1:3:6

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10
Q

Class a mortar mix

A

1:2

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11
Q

Class b mortar mix

A

1:3

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12
Q

Class c mortar mix

A

1:4

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13
Q

Class d mortar mix

A

1:5

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14
Q

Structural member whose prime function is to carry transverse loads

A

Beam

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15
Q

Materials smaller than 9mm diameter

A

Fine aggregate

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16
Q

Materials over 9mm in size

A

Coarse aggregate

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17
Q

Max time for concrete to be discharged after the water is poured to the batch

A

1 1/2 hours

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18
Q

Material other than water aggregate lime or cement used as an ingredient in concrete or mortar added to the batch immediately before or during the mix

A

Admixture

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19
Q

The main reinforcements are place at right angle perpendicular to the wall uniformly spaced with each other and longitudinal reinforcement parallel with the wall

A

Wall footing

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20
Q

Voids left in the concrete owing to the failure of the mortar to fill effectively the space among coarse aggregate particles

A

Honeycomb

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21
Q

A steel reinforcing bar manufactured with surface deformation to provide a locking anchorage with surrounding concrete

A

Deformed bar

22
Q

Combined footing formed by intersecting continuous footings

A

Grid foundation

23
Q

Short reinforcing bars of steel which extend equally into two abutting pieces of concrete to increase the strength of joints

A

Dowel

24
Q

Soil which is replaced in an area that has been excavated

A

Backfill

25
Q

Water and cement

A

Grout

26
Q

An excavating machine for cutting trenches

A

Backhoe

27
Q

A container of known volume used to measure and mix the constituents if a batch of concrete plaster or mortar to ensure proposer proportions

A

Batch box

28
Q

Machine that mixes concrete ingredients then moves the mix through a hose to the point of placement

A

Concrete pump

29
Q

Mixture of water, cement, and fine aggregate (sand)

A

Mortar

30
Q

A steel bar having ribs to provide greater bonding strength when used as a reinforcing bar

A

Rebar

31
Q

The upper part of a reinforced concrete floor which is carried on beams below

A

Slab

32
Q

Piece of concrete which holds steel reinforcements in its proper positions

A

Spacer

33
Q

To connect two similar member by welding or GI wire connection

A

Splice

34
Q

Reinforcement device to resist sheer and diagonal tension stresses in beams

A

Stirrups

35
Q

Deformed bar used as tie to hold vertical reinforcements

A

Tie bars

36
Q

Initial scored layer of concrete wall

A

Scratch coat

37
Q

Power oriented machine used to agitate fresh concrete to eliminate gross voids

A

Vibrator

38
Q

Upright compression member whose height does not exceed three times it’s lateral dimension

A

Pedestal

39
Q

Concrete steel or wood column less that 2 ft in diameter

A

Pile

40
Q

Length of steel bars

A

20 ft/6 m, 25 ft/ 7.5 m, 30 ft/9m, 35ft/10.5m, 40ft/12m

41
Q

Steel bar 2

A

1/4 inch / 6 mm

42
Q

Steel bar 3

A

3/8 inch 10mm

43
Q

steel bar 4

A

1/2 inch 12 mm

44
Q

steel bar 5

A

5/8 inch 16 mm

45
Q

Steel bar 6

A

3/4 inch 20 mm

46
Q

Steel bar 7

A

7/8” 22mm

47
Q

Steel bar 8

A

1” 25mm

48
Q

Steel bar 9

A

1 1/8” 28mm

49
Q

Steel bar 10

A

1 1/4” 32mm

50
Q

Steel bar 11

A

1 3/8” 36mm

51
Q

Steel bar 14

A

1 3/4” 45mm

52
Q

Steel bar 18

A

2 1/4” 57mm

BT (3 decks)

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