Building Technology 4- Division 4 Masonry

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Questions: 54 | Attempts: 377 | Updated: Mar 22, 2023

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The type of concrete you use varies with the purpose of the building and if not used correctly can lead to collapse of the building. Have you just covered division 3 on concrete under the building technology 3 class? Take up the test below and see how much of it you understand so far.

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Mar 22, 2023

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Sep 11, 2010

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Building Technology 4- Division 4 Masonry

_______ is 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.

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

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

__________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

Plastering is done according to two basic methods: two-coat and three-coat. A three-coat job consists of a first binding coat called

Plastering is done according to two basic methods: two-coat and three-coat. A three-coat job consists of a second binding coat called

Astering is done according to two basic methods: two-coat and three-coat. A three-coat job consists of a third binding coat called

Lime putty (hydrated lime and water). Mixed on the job with sand and gypsum plaster.Used for two and three-coat finish surfaces for interior walls and ceilings. what coat is this? "1 part lime putty, 1 part Portland cement or Keene’s cement, 2-3/4 partssand by weight."

Lime putty (hydrated lime and water). Mixed on the job with sand and gypsum plaster.Used for two and three-coat finish surfaces for interior walls and ceilings. what coat is this? "1 part lime putty, 1part Portland cement or Keene’s cement, 3 parts sandby weight."

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

Same as gypsum plaster but mixed to meet established standards. Mixed on the job with water, sand, lime putty, hair or fiber for two and three-coat finish surfaces for both exteriors and interiors.

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

Gypsum plaster mixed with ingredients develops more adhesivestrength in combinations covered by trademarks or patents. Used for interior finish forsmooth concrete walls or ceilings. Mix and apply as per manufacturer’s directions.

Gypsum plaster mixed on the job with water, perlite, vermiculite or other suitable mineral aggregate.it is used when weight is important, and for fire-proofing other materials such as steel. Applied on lath. For interior use only.

Plaster of Paris mixed with alum or borax or other materials andburned (calcined) at 932°F. Mixed on the job with water, lime putty and fine whitesand as hard finish for two and three-coat gypsum plaster. For interior use only

For ornamental plaster work and castings. Mixed with water as permanufacturer’s directions.

Plaster For ornamental plaster work and castings

Gypsum plaster mixed with other ingredients to develop small airthroughout the plaster in combinations covered by trademarks or patents. Used foracoustic treatment of interior walls and ceilings. Applied on gypsum plaster basecoats. Mix with water as per manufacturer’s directions.

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

In Portland cement plaster ,The second coat is the finish coat. The finish coat may be smooth or hard finish or, ifsand is added, called a____________

is highly decorative type of plaster work developed in Italy during theRenaissance. This type of technique consists of applying two or three thin coats of plasterdifferent colors and then cutting away certain areas of one or two coats to produce athree-dimensional colored design.

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

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

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

That connection between bricks, stones or other masonry units formed by lappingthem 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 brick or block masonry laid lengthwise of a wall.

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

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

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

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

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

Masonry of rough, undressed stones. When only the roughest irregularitiesare knocked off, it is called scabbled rubble, and when the stones in each course arerudely dressed to a nearly uniformheight, range rubble.

Stones fitted together at random withoutany attempt to lay them in course.

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

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

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

Bricks that Used for all purposes, including facing.

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

These have a smooth outer surface with a dull satin or high gloss finish.They are load bearing, fire resisting, and impervious. They are usually formed withvertical hollow cores through the body with scoring on theback.

These are ordinarily made from amixture of flint clay and plastic clay, and are used for thelining of furnaces, fireplaces, and chimneys.

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

Consists of alternate courses of stretchers and headers

Consists of alternate headers and stretchers in each course

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

Hollow masonry unit, with two or three cells or cores,made of the following ingredients: water, Portland cement, and various typesof aggregate such as sand, gravel, and crushed stone

defines the aggregates used in concrete masonry units.

Reinforcement for 100mm (4”) and150mm (6”) wall concrete blocks shall be 10mm (3/8”) ∅ vertical bars at 600mm (24”) on centers and 3/8”∅ horizontal bars every_____ course.

For 8” walls, reinforcement shall be ½”∅ vertical bars at 24” on centers and ___”∅ horizontal bars every third course.

Concrete block walls should have a reinforced concrete ________course every twelfth course.