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Building Construction Flashcards

(17 cards)

Study These Flashcards
1
Q

What are the types of materials used in construction?

A
  1. Timber
  2. Building blocks
  3. Metals (iron and steel)
  4. Metals (aluminium alloys)
  5. Concrete
  6. Plastics
  7. Paints
  8. Glass
  9. Boards
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2
Q

Elements of structure:
What are the three load categories applied to a building structure?

A
  1. Dead load (weight of the building itself)
  2. Imposed load (weight of all objects in building)
  3. Wind load (pressure or suction from wind)
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3
Q

What are the elements of building structures?

A
  1. Columns
  2. Beams
  3. Load bearing walls
  4. Chimney breasts
  5. False chimney breasts
  6. Composite panels
  7. Doors and shutters
  8. Fire doors
  9. Windows
  10. Roofs
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4
Q

What are the main hazards involved with fires in roofs?

A
  1. Roof voids
  2. Roof trusses
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5
Q

What are the signs and symptoms of collapse?

A

WASPS
1. Walls bowing out of vertical
2. Arches cracked or dropped above doors and windows
3. Sagging floors and beams
4. Pillars displaced
5. Spalling stonework

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6
Q

What are the advantages of using aluminium alloys in buildings?

A
  1. A reduction in weight of the structure
  2. Resistant to corrosion
  3. Ease of handling and working
  4. High strength to weight ratio
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7
Q

What are the disadvantages of using aluminium alloys in buildings?

A
  1. Rapid loss of strength in fire (affected at 100-225 degrees)
  2. High expansion rate (approx twice that of steel)
  3. Very low melting point
  4. Pure aluminium melts at 660 degrees
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8
Q

Name the two different types of concrete

A
  1. Reinforced concrete
  2. Pre-stressed concrete
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9
Q

Name the two types of plastics

A
  1. Thermosetting
  2. Thermoplastic
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10
Q

Name the two types of paints

A
  1. Fairly heavy based paint
  2. Intrumescent paint/ varnish
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11
Q

Name the three glass types

A
  1. Non- insulating glass
  2. Multi-laminated glass
  3. Heat treated fire glass
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12
Q

List the different types of roofs

A
  1. Flat
  2. Pitched (gabled)
  3. Close-coupled
  4. Mansard
  5. Trussed
  6. Portal or rigid frame
  7. Monitor
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13
Q

What are the two main functions of fire doors?

A
  1. Protect escape routes
  2. Protect contents and/ or structure of a building

rated from 30 to 120 minutes

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14
Q

Structured steel loses 2/3rds of its strength at what temperature?

A

593 degrees

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15
Q

What are the advantages of concrete in building construction?

A
  1. High compressive strength
  2. Durability
  3. Thermal insulation
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16
Q

What are the disadvantages of concrete in building construction?

Study These Flashcards
A
  1. Expands when heated
  2. In fire conditions, when suddenly cooled, surface will spall
17
Q

Name the different types of boards used in building construction

Study These Flashcards
A
  1. Plaster board
  2. Fibre building board
  3. Asbestos board
  4. Plywood
  5. Block board
  6. Plastic board
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