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CMT > MASONRY > Flashcards

MASONRY Flashcards

1
Q

a proportioned mixture of siliceous materials (sand, crushed stone) and cement (lime, Portland) which, after being prepared in a plastic state with water, hardens into a stonelike mass.

A

Mortars and Plasters

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2
Q

is cement mix used to glue masonry units to each other, or other surface finishing materials like tiles, bricks, stones to a receiving structure like a wall or floor.

A

Mortars

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3
Q

is mortar applied to wall surfaces as a preparation or a hard finish coat.

A

Plaster

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4
Q

is a proportioned mixture of cement, fine aggregate and water.

A

Cement Mortar

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5
Q

1 part of cement should be added to not more than 3 parts of sand.

A

First-Class Mortars

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6
Q

1 : 4 will be much stronger than lime mortar.

A

Rubble Stonework

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7
Q

use 1 : 1 to 1-1/2.

A

Top Surface of Floors and Walks

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8
Q

is a mortar of cementitious material ( lime, gypsum or cement), sand and water which is applied in coats (layers) to masonry surfaces, lath or various types of plaster board to give a hard finish surface to interior or exterior walls and ceilings.

A

Plaster

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9
Q

called scratch coat

A

First Binding Coat

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10
Q

called the brown-coat

A

Second Straightening Coat

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11
Q

called the finish coat

A

Final Coat

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12
Q

In the two-coat work, the ________ and ______ coats are combined into one.

A

Scratch and Brown

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13
Q

Types of Plaster

A

Lime Putty, Gypsum Plaster, Portland Cement Plaster, Sgrafitto

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14
Q

Types of Gypsum Plaster

A

High-Strength Gypsum Plaster, Fibered Gypsum Plaster, Prepared Gypsum Plaster, Bonding Plaster, Lightweight Gypsum Plaster (Fire Resistant Plaster), Keene’s Cement, Plaster of Paris, Molding Plaster, Acoustic Plaster

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15
Q

mixed on the job with sand and gypsum plaster, used for two and three-coat finish surfaces for interior walls and ceilings.

A

Lime Putty

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16
Q

Plaster of Paris mixed with clay, lime and other materials in combinations covered by trademarks or
patents.

A

Gypsum Plaster

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17
Q

Same as gypsum plaster but mixed to meet established standards.

A

High-Strength Gypsum Plaster

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18
Q

Gypsum plaster premixed with fibers. Mixed on the job with water and sand for scratch coat for three-coat plastering job

A

Fibered Gypsum Plaster

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19
Q

Gypsum plaster mixed with fine white sand. Used for two and three-coat finish surfaces for interior walls and ceilings.

A

Prepared Gypsum Plaster

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20
Q

Gypsum plaster mixed with ingredients develop more adhesive strength in combinations covered by trademarks or patents.

A

Bonding Plaster

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21
Q

Gypsum plaster mixed on the job with water, perlite, vermiculite or other suitable mineral aggregate.

A

Lightweight gypsum plaster, fire-resistant plaster

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22
Q

Plaster of Paris mixed with alum or borax or other materials and burned (calcined) at 932F.

A

Keene’s Cement

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23
Q

For ornamental plaster work and castings.

A

Plaster of Paris

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24
Q

For ornamental plaster work and castings. Mix with water as per manufacturer’s directions.

A

Molding Plaster

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25
Q

For acoustic treatment of interior walls and ceilings. Applied on gypsum plaster base coats. Mix with water as per manufacturer’s directions.

A

Acoustics Plaster

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26
Q

Mixed with water, sand and lime putty. Used for two and three-coat finish surfaces for exterior and interior walls and ceiling

A

Portland Cement Plaster

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27
Q

This type of technique consists of applying two or three thin coats of plaster different colors and then cutting away certain areas of one or two coats to produce a three-dimensional colored design.

A

Sgraffito

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28
Q

The horizontal surfaces on which the stones or bricks of walls lie in the courses.

A

Bed

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29
Q

A continuous layer of bricks, stones, or other masonry units

A

Course

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30
Q

Each continuous, vertical section of the wall, one masonry unit thick.

A

Wythe or Tier

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31
Q

That connection between bricks, stones or other masonry units formed by lapping them one upon another carrying up the work, so as to form an inseparable mass of building, by preventing the vertical joints falling over each other (also called a breaking joint).

A

Bond

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32
Q

A brick or block masonry laid lengthwise of a wall

33
Q

A brick or block masonry extending over the thickness of the wall

34
Q

A course in which the bricks or other masonry units are all headers.

A

Heading Course

35
Q

A unit laid on its end with its face perpendicular to the face of the wall.

36
Q

The corner stones at the angles of buildings, usually rusticated so as to project from the normal surface of the wall.

37
Q

Stones running through the thickness of the wall at right angles to its face, in order to bind it together.

A

Bond Stones

38
Q

A course of stones placed on top of cornice crowning the walls

A

Blocking or Blocking Course

39
Q

was the structural material, the exterior and interior finishing material, the flooring material and in many cases the roofing material.

40
Q

Stone commonly used for architectural purposes

A

Granite, Limestone, Marble, Sandstone, Travertine, Slate

41
Q

Stone delivered from the quarries rough and irregular shape.

A

Rubble Stone

42
Q

Stone cut into specific size, squared to dimensions, and to a specific thickness

A

Dimension Stone

43
Q

Masonry of rough, undressed stones.

A

Rubble Work

44
Q

When only the roughest irregularities are knocked off

A

Scabbled Rubble

45
Q

when the stones in each course are rudely dressed to a nearly uniform height,

A

Range Rubble

46
Q

Stones fitted together at random without any attempt to lay them in course.

A

Random Work

47
Q

Squared stones in regular courses, in contradistinction to rubble work .

48
Q

Uniform courses with
stones uniform in size.

A

Ranged Work or Coursed Ashlar

49
Q

Course laid with the horizontal joints uninterrupted but the width of the courses and the length of the stones are varied to produce a wall with a less regular pattern

A

Broken Range Ashlar

50
Q

their rectangular shape and are laid on horizontal beds but no effort is made to continue the horizontal beds through in an uninterrupted manner.

A

Random Course

51
Q

Courses of stone face which is jagged, so as to present a rough surface.

A

Rustic or Rock Work

52
Q

occurs when heavier stones or areas of stone project from the normal face of the surrounding wall or of the joint themselves

A

Rustification

53
Q

are structural units of clay or shale formed while plastic and subsequently fired.

54
Q

After moulding, the bricks are dried and then burned in kilns for many hours at high temperatures, approximately ______.

55
Q

Standard size of brick

A

3-3/4” x 2-1/4” x 8”

56
Q

The types of bricks most frequently used in architecture

A

Common or Building Bricks, Facing Bricks, Glazed Bricks, Fire (Refactory) Bricks

57
Q

Used for all purposes, including facing

A

Common or Building brick

58
Q

Specially processed to give certain specific surface characteristics. Used for exposed masonry surfaces.

A

Facing Bricks

59
Q

They are load bearing, fire resisting, and impervious. They are usually formed with vertical hollow cores through the body with scoring on the back

A

Glazed brick

60
Q

These are ordinarily made from a mixture of flint clay and plastic clay, and are used for the lining of furnaces, fireplaces, and chimneys

A

Fire (Refactory) Brick

61
Q

Types of Brick work

A

Common Bond, English Bond, Flemish Bond, Herringbone

62
Q

Consists of five stretcher courses and then a header course. It is generally begun with a row of headers at the bottom course

A

Common Bond

63
Q

Consists of alternate courses of stretchers and headers.

A

English Bond

64
Q

Consists of alternate headers and stretchers in each course

A

Flemish Bond

65
Q

The bricks are laid diagonally to form a herring-bone pattern.

A

Herringbone

66
Q

Mortar joints between brick courses are usually from

A

4.5mm (3/16”)
to 12mm (½”).

67
Q

is a hollow masonry unit, with two or three cells or cores, made of the following ingredients: water, Portland cement, and various types of aggregate such as sand, gravel, and crushed stone.

A

Concrete Hollow Block (CHB)

68
Q

Standard CHB sizes

A

thicknesses of 100mm (4”), 150mm (6”) and 200mm (8”) x height of 200mm (8”) x length of 400mm (16”).

69
Q

CHB of 100mm (4”) thickness should be used only for ________ where weather-tightness is not required.

A

interior partition walls

70
Q

different types of concrete hollow block

A

Stretcher, Corner Blocks, Beam or Lintel Blocks, Header, Jamb Blocks

71
Q

is lightweight block made from fiber and cement.

A

DURISOL Block

72
Q

also known as gypsum partition blocks, are usually made of gypsum, vegetable fibers as binders, and reinforcement.

A

Plaster Block

73
Q

Gypsum hollow blocks are manufactured in units of

A

75mm (3”), 100mm (4”) or 150mm ( 6”) thicknesses, x 300mm (12”) height x 700mm (30”) length

74
Q

Gypsum solid block is manufactured only with a ______ thickness

A

50mm (2”) thickness

75
Q

are hollow masonry units, open at two ends with interior webs or partitions 19mm (¾”) to 25mm (1”) dividing the block into longitudinal cells.

A

Structural Clay Tile

76
Q

Structural clay tile is classified into:

A

Load Bearing wall tile, Non-load bearing (Fireproofing, partition, and furring tile)

77
Q

Dimensions of the Load Bearing Structural Clay Tile

A

300mm x
300mm x 300mm (12” x 12” x 12”)

78
Q

Dimensions of the Non-Load Bearing Structural Clay Tile

A

100mm (4”) or 125mm (5”) x 200mm x 300mm

CMT (2 decks)

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