Building Technology (Wall)

Purpose of walls

• to provide controlled natural ventilation to the buildings

• to prevent the passage of sound

• for shelter against wind, rain and the daily and seasonal variations of outside normal temperature

• control the diffusion of light and sound

Select THREE (3) functional requirements of walls

• strength and stability

• resistance of weather and ground moisture

• security

• safety

• materials and durability

What is the type of sound?

• impact

• light

• exposed

• airborne

What is the common materials used in brickwork?

• lourve

• burnt clay

• suspended fire resistance rated

• fly ash clay

What is the standard size of bricks?

List TWO (2) types of bricks bonded

• english

• cill

• boarded

• flemish

Which of the explanation of header bond?

• the alternative courses of header and stretcher faces.

• a header face shows in every other course to complete the bond

• header faces lie directly above and below a stretcher face

• thee stretcher face of each brick showing externally

A cavity wall consists of...

• metal tie

• outer leaf

• foundation wall

• inner leaf

Internal walls may be loadbearing or non-loadbearing. Non-loadbearing known as...

• flush

• acoustical

• partitions

• cylinder

what are the forms of metal cladding?

• wood

• galvanized steel

• metal plastic

• aluminium