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Construction Illustrated > Chapter 5: Wall Systems > Flashcards

Chapter 5: Wall Systems Flashcards

1
Q

WALL SYSTEMS

A
  • structural frames (concrete, steel or timber)
  • concrete and masonry bearing walls
  • metal and wood stud walls
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2
Q

SHEATHING (SHEETING)

A

The first covering of exterior studs or rafters by boards, plywood or particleboard.

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3
Q

DOWEL-BAR REINFORCEMENT

A

Short sections of reinforcing steel that extend from one concrete pour into the next. Used to increase strength in the joint. Dowels tie column to supported beams and slabs.

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4
Q

FORM TIES

A
  • snap ties

- she bolts

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5
Q

BÉTON BEUT

A

Concrete that is left in its natural state after formwork is removed, esp. when concrete reflects the texture, joints and fasteners of a board form.

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6
Q

PRECAST CONCRETE WALLS

A

Fabrication in a factory enables the units to have a consistent quality of strength, durability, and finish, and eliminates the need for on-site formwork.

+ SOLID panels (up to 7m high and 225 thick)
+ COMPOSITE panels with rigid foam insulation core (up to 7m high and 305 thick)
+ RIBBED panels (up to 14m high and 610 depth)

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7
Q

PRECAST CONCRETE COLUMNS

A

Typically used with precast concrete beams to form a structural frame.

  • 225x225 will support approx. 185m2
  • 305x305 will 255m2
  • 405x405 will 418m2
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8
Q

SHEAR KEY

A

A shaped joint between two prefabricated elements that can resist shear through the geometric configuration of the joint.

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9
Q

CORBEL

A

A course or unit of masonry that projects beyond the course below. A corbel may be used entirely for decoration or for a ledge to support a load from above.

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10
Q

TILT-UP CONSTRUCTION

A

Method of casting reinforced concrete wall panels on site in a horizontal position, then tilting them up into their final position.

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11
Q

TROWEL

A

Espátula

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11
Q

MASONRY WALL

A

Modular building blocks bonded together with mortar to form walls that are durable, fire-resistant, and structurally efficient in compression. Most common types of building blocks are bricks and concrete blocks.

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12
Q

Masonry walls may be constructed as 3 types:

A
  • solid wall
  • cavity wall
  • veneered wall
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14
Q

WYTHE

A

Continuous vertical section of a wall that is one masonry unit in thickness.

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15
Q

PILASTER

A

A column built within a wall, usually projecting beyond the wall.

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16
Q

LINTEL

A

A horizontal supporting member, installed above an opening such as a window or door, that serves to carry the weight of the wall above it.

+ steel angle lintels
+ reinforced brick lintels
+ concrete masonry lintels
+ precast concrete lintels

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17
Q

CAULKING

A

A resilient silicone- or rubber-based compound used to prevent infiltration of water or outside air.

18
Q

PARAPET

A

That part of a wall that extends above the roof level.

19
Q

MORTAR

A

It is a plastic mixture of cement or lime, or a combination of both, with sand and water, used as a bonding agent in masonry construction.

20
Q

SOLID MASONRY WALLS

A

may be constructed of either solid or hollow masonry units laid contiguously with all joints solidly filled with mortar.

21
Q

GROUTED MASONRY WALLS

A

have all interior joints filled entirely with grout as the work progresses.

22
Q

CAVITY WALLS

A

are constructed of a facing and a backing wythe of either solid or hollow masonry units, completely separated by a continuous air space and bonded with metal wall ties or horizontal joint reinforcement.

23
Q

SPANDREL WALL

A

The area of a curtain wall between the sill of one window and the top of a window one storey below.

24
Q

Minimum wall thickness for bearing wall

A

150mm

25
Q

Minimum wall thickness for nonbearing wall

A

100mm

26
Q

Minimum thickness for basement, foundation, fire or party wall

A

205mm

27
Q

Minimum masonry wall thickness

A

205mm for unreinforced bearing and shear walls

150mm for reinforced bearing walls

28
Q

CMUs

A

Concrete Masonry Units

29
Q

COMPOSITE WALLS

A

are solid masonry walls having a facing wythe and a backup wythe of different solid or hollow units.

30
Q

STRETCHER

A

It is a masonry unit laid horizontally with the longer edge exposed.

31
Q

HEADER

A

It is a masonry unit laid horizontally with the shorter end exposed.

32
Q

SOLDIER

A

It is a brick laid vertically with the longer edge face exposed.

33
Q

WYTHE

A

It is a continuous vertical section of a masonry wall one unit in thickness.

34
Q

COURSE

A

It is a continuous horizontal range of masonry units.

35
Q

Mortar joints:

A 
\+ concave joint 
\+ v-joint 
\+ weathered joint 
\+ struck joint
\+ flush joint
36
Q

In a fire, steel can lose…

A

…strength rapidly.

37
Q

COMPOUND COLUMNS

A

are structural steel columns encased in concrete at least 64mm thick, reinforced with wire mesh.

38
Q

COMPOSITE COLUMNS

A

are structural steel sections thoroughly encased in concrete reinforced with both vertical and spiral reinforcement.

39
Q

BALLOON FRAMING

A

utilizes studs that rise the full height of the frame from the sill plate to the roof plate, with joists nailed into the studs and supported by sills or by ribbons let into the studs.

40
Q

PLATFORM (WESTERN) FRAMING

A

is a light wood frame having studs only one story high, regardless of the stories built, each story resting on the top plates of the story below or on the sill plates of the foundation wall.

41
Q

GYPROCK (SHEETROCK)

A

Also known as PLATERBOARD or DRYWALL.

It is a panel made of gypsum plaster pressed between two thick sheets of paper. It is used to make interior walls and ceilings.

It is manufactured in thicknesses of 10, 13 and 16mm. There are also other thicknesses available up to 25mm. Panels are commonly sold in 1200x2400mm or 1200x4800mm sheets. Sheets are usually secured to either a timber or steel frame.

Construction Illustrated (6 decks)

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