18 Questions
What is a common cause of inadequate bearing capacity in the foundation?
Withdrawal of ground water by prolonged drought
Which activity can contribute to disintegration of foundations?
Plugging of drains
What can cause cracks in raft slabs?
Non provision of expansion joints
Which factor contributes to differential settlement in foundation?
Shrinkage of clay subsoils
What can lead to stone staining?
Sulphate attack on cement concrete
How can brick efflorescence occur?
Non provision of expansion joints
What is a common cause of cracking in non-load bearing walls filled with light weight concrete blocks/panels?
Inadequate support at base
What can cause brick panels to outwardly bow?
Expansion of bricks due to moisture
What is a common cause of concrete panel issues related to rainwater not clearing off the surface?
Inadequate projections to keep rainwater clear off surface
What is a common cause of stone staining as described in the text?
Sulphate attack
Surface disintegration in concrete can be caused by:
Sulphate attack
What can lead to cracks and fixing defects in glass panels?
Non-matching shape of glass and the frame
What is a common cause of cracks in structural substrate panels?
Physical impact
What can lead to poor crack bridging capacity in a substrate?
Excessive deformation and stresses in substrate
What is a common cause of blistering in liquid membranes?
Entrapment of air or moisture
What is a consequence of improper storage of factory-produced membranes?
Folding and ridging/rippling
What is a common cause of splitting in polymer roofing?
Mechanical damage by dropping stones and nails
What is a primary reason for leakage in polymer roofing?
Inadequate bonded joints
Learn about various causes of wall cracks and bowing in building structures, including drying shrinkage, inadequate support, deflection of upper floor joints, differential movement, and more.
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