Bricks Flashcards
properties of engineering bricks
durable, low water absorption , frost resistant, high compressive strength, fire resistance,
Explain two ways in which brickwork can fail
frost attack (1) which causes brickwork crumbling (1)
Sulphate attack (1) resulting in mortar cracking (1)
what are the 3 types of concrete blocks
aerated, high density, insulated
properties of aerated blocks
lightweight, prone to impact damage, medium strength, good acoustic insulation properties, good workability
properties of high density blocks
Good fire resistance, versatile, durable, tough, cost effective, good sound insulation,
properties of engineering blocks
high compressive strength, frost resistant , resistance to chemical attack, low water absorption, an resist harsh weather exposure
what is mortar used for
filling gaps in for bricks, seals irregular shapes, provides resistance to side loading
what are aerated blocks used for
internal and external walls of homes, floors, roofs
what are high density blocks used for
load-baring walls or partitional walls
what are engineering blocks used for
manholes, sewers, groundwork,
What is concrete made up of
Water, cement, aggregate
What is slump testing
Checks the ratio of water and cement in wet concrete is correct
What is mortar
A workable paste used to bind, fill and seal building blocks
state one component of concrete
sand
Concretely
Explain two properties of aerated concrete blocks that makes them suitable for concrete wall (4)
Lightweight (1)making them fast to construct (1)
High levels of sound insulation (1) reducing noise from other rooms (1)
