BUILDING STONES

Question 1

used in construction

durable, tough and free from soft patches of weathered materials

Answer 1

building stones

Question 2

formed by cooling and
solidification of lava.

Answer 2

igneous rock

Question 3

3 igneous rocks

Answer 3

basalt
granite
serpentine

Question 4

– medium to fine
grained stone
-waterproof

Answer 4

basalt

Question 5

–coarse grained
-durable but has poor
resistance to fire

Answer 5

granite

Question 6

– used for
interiors only due to
deterioration from weathering.

Answer 6

serpentine

Question 7

– formed
by the action of water either
by .depositing minerals at the
bottom of a water body or
depositing them on the earth’s
surface.

Answer 7

sedimentary rocks

Question 8

3 sedimentary rocks

Answer 8

sandstone
limestone
travertine

Question 9

• rocks
  changed from their original
  structure by the action of
  extreme pressure, heat, or
  various combinations of these
  forces.

Answer 9

metamorphic rock

Question 10

2 metamorphic rocks

Answer 10

marble
slate rocks

Question 11

– strong stone that
is uniform in texture.

Answer 11

marble

Question 12

• formed by metamorphosis of clays
• separated into thin tough
  sheets called slates.

Answer 12

slate rocks

Question 13

CLASSIFICATION OF STONES
ACCORDING TO FORM IN
WHICH IT IS AVAILABLE
COMMERCIALLY

Answer 13

‘rubble
‘dimension (cut stone)
‘flagstone (flat slab)
‘crushed rock

Question 14

• includes rough fieldstone
  which merely have been broken into
  suitable sizes (usually used for
  filling material).

Answer 14

rubble

Question 15

• consist of
  pieces that have been cut or finished
  according to a set or drawings (for
  facings of walls)

Answer 15

dimension (cut stone)

Question 16

• consists of
  thin pieces (½ in. And up) (for walls
  and floors)

Answer 16

flagstone (flat slab)

Question 17

• stones consisting of
  pieces varying in size from ⅜ to 6in.
  Is used to a large extent in
  concreting

Answer 17

crushed rock

Question 18

4 stone construction

Answer 18

paneling
ashlar
rubblework
trim

Question 19

– using slabs of stone
cut to dimension and thickness to
cover backup walls

Answer 19

paneling

Question 20

– requires the use of fine
cut stone

Answer 20

ashlar

Question 21

– used as random
when no attempt is made to produce
either horizontal or vertical course
lines.

Answer 21

rubblework

Question 22

• involves use of stones cut
  for a specific purpose.

Answer 22

trim

Question 23

• stones laid at the
  intersection of two walls.

Answer 23

quoin

Question 24

– stones which form the
sides of windows and doors opening

Answer 24

as jambs

Question 25

– stones which form at the bottom of windows and door openings.

Answer 25

as sills

Question 26

– special stone courses which are built into a wall for a particular purpose.

Answer 26

as belts

Question 27

– one which is cut to fit on the top of a masonry wall.

Answer 27

as copings

Question 28

– specially cut stones which are built into and project a masonry

Answer 28

as cornices

Question 29

– stones which bridges the top of doors and windows openings.

Answer 29

as lintel

Question 30

– made to fit over an inclined concrete slab or to cap steps cast in concrete.

Answer 30

as stone steps

Question 31

– cut to form some particular type of arch over a door or window opening.

Answer 31

as an arch stone

Question 32

– walks and patios, made by covering a base of stone concrete, brick tile.

Answer 32

as stone flooring