Common anomalies and respective causes in heritage structures
| Anomaly | Elements Affected | Possible Causes | Example * |
|---|---|---|---|
Cracking and Fracturing | - Masonry - Timber - Roofs - Floors - Mortar/Cladding | - Shrinkage/Expansion - Impacts/Bumping - Abrasion - Structural movements/Differential settlements - Stress concentration |
|
Dampness and Water Infiltration | - Masonry - Timber - Roofs - Mortar/Cladding | - Presence of damp - Wind/Rain action - Poor ventilation - Plumbing deffects/Lack of fittings |
|
Vegetation Growth |
| ||
Disintegration/ Disaggregation | - Masonry - Timber - Roofs | - Incompatible, omitted or unsuitable choice of materials - Lack of support roughness, wetness) - Incorrect positioning of different layers - Shrinkage/Expansion - Impacts/Bumping - Abrasion - Solar radiation/Temperature action - Presence of damp - Wind/rain action - Accidental actions and vandalism |
|
Loss of Adherence | - Mortar/Cladding | - Incompatible, omitted or unsuitable choice of materials - Lack of support preparation (cleaning, roughness, wetness) - Inexperienced/poorly qualified manpower - Presence of damp |
|
Note(s): *A11 photographs are property of the authors | |||
