Concrete/ Foundation/ Column and Metal reinforcements

Question 1

it is an artificial stone made out from the mixture of cement, sand, gravel and water

Answer 1

concrete

Question 2

concrete in which reinforcement is embedded in such a manner that the two materials act together in resisting forces

Answer 2

reinforced concrete

Question 3

it is an inert granular material such as sand, round or crushed gravel, etc.

Answer 3

aggregate

Question 4

the materials smaller than 9 mm in diameter

Answer 4

fine aggregate

Question 5

the materials over 9 mm in diameter

Answer 5

course aggregate

Question 6

Class AA concrete mixture

Answer 6

1: 1 1/2: 3

Question 7

Class A concrete mixture

Answer 7

1: 2: 4

Question 8

Class B concrete mixture

Answer 8

1: 2 1/2: 5

Question 9

Class C concrete mixture

Answer 9

1: 3: 6

Question 10

it is hardening of concrete which requires time, favorable temperature, and continuous presence of water or moisture in concrete after pouring

Answer 10

curing

Question 11

an excavating machine for cutting trenches; a boom-mounted bucket moves toward the machine, cutting the ground like hoe, then the machines turn away from the cut to permit the operator to dump the spoil

Answer 11

backhoe

Question 12

a container of known volume used to measure and mixed the constituents of a batch of concrete, plaster or mortar, to ensure proper proportions

Answer 12

batch box

Question 13

soil which is replaced in an area that has been excavated previously

Answer 13

backfill

Question 14

it contains a considerable amount of water and cement

Answer 14

grout

Question 15

mixture of water, cement and fine aggregates such as sand

Answer 15

mortar

Question 16

class A mortar mixture

Answer 16

1: 2

Question 17

class b mortar mixture

Answer 17

1: 3

Question 18

class C mortar mixture

Answer 18

1: 4

Question 19

class D mortar mixture

Answer 19

1: 5

Question 20

material other than water, aggregates, lime or cement, used as an ingredient of concrete or mortar, and added to the batch immediately before or during its mixture

Answer 20

admixture

Question 21

that portion of the structural elements that carry or support the upper structure of the building

Answer 21

foundation

Question 22

refers to the soil or rock directly beneath the footing

Answer 22

foundation bed

Question 23

that portion of the foundation which transmits loads directly to the soil

Answer 23

footing

Question 24

two classifications of footing

Answer 24

1. wall footing

2. column footing

Question 25

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

Answer 25

Wall footing

Question 26

A single spread footing supporting freestanding column or pier

Answer 26

Isolated footing

Question 27

A footing which supports more than one column load

Answer 27

Combined footing

Question 28

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

Answer 28

Honeycomb

Question 29

A piece of concrete which holds or support steel reinforcement in its proper position, or which holds structural forms at a given distance apart before and during concreting

Answer 29

Spacer

Question 30

A structural member whose prime function is to carry transverse loads

Answer 30

Beam

Question 31

Refers to a piece of timber of either cylindrical square or other geometrical cross section placed vertically to support a building

Answer 31

Post

Question 32

It is relatively long slender structural compression member - a vertical structure supporting a load which acts in (or near) the direction of its longitudinal axis

Answer 32

Column

Question 33

It has reinforcement consisting of vertical or longitudinal bats held in position by lateral ties

Answer 33

Tied column

Question 34

It is where a circular concrete core is enclosed by spiral ties with vertical or longitudinal bars

Answer 34

Spiral column

Question 35

Size of measuring box for a 40kg cement

Answer 35

300mm x 300mm x 300mm

Question 36

Size of measuring box for a 50kg cement

Answer 36

320mm x 320mm x 320mm

Question 37

Size of wire to attach or connect reinforcement

Answer 37

16 GI wire

Question 38

It is a steel reinforcing bar which is manufactured with surface deformations to provide a locking anchorage with surrounding concrete

Answer 38

Deformed bars

Question 39

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

Answer 39

Rebars

Question 40

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

Answer 40

Dowel

Question 41

To connect, unite or joint two similar members, usually in straight line by fastening lapped ends by means of mechanical end connectors, by welding or by GI wire connection

Answer 41

Splice

Question 42

A reinforcement device to resist shear and diagonal tension stresses in beam

Answer 42

Stirrups

Question 43

A deformed bar used as tie to hold vertical reinforcements of columns in place

Answer 43

Tie bars

Question 44

Length of steel bars

Answer 44

A. 20' or 6.00 mts
B. 25' or 7.50 mts
C. 30' or 9.00 mts
D. 35' or 10.50 mts
E. 40' or 12.00 mts