Disaster Recovery and the Road Ahead - IGNOU

Superficial Repair
Various activities carried out under this include
replastering of walls, repairing of doors, windows
and services and redecoration of the building. These
types of works, however, do not improve the strength
of the structure.
The different types of repair works can be described
as:
Patching up of defects such as cracks and fall
of plaster
Replastering walls where necessary
Repairing doors, windows and replacement of
glass panes
Checking and repairing electrical connections,
gas connections, etc.
Rebuilding of non-structural walls etc.
Source: Bhuj Earthquake/www.gerassociation.org
Redecoration works like white washing, colouring etc.
Structural Repair
Under this the various activities include rebuilding cracked
walls and damaged roofs, repairing the pillars, columns etc.
This type of repair work improves some of the lost strength
of the structure, but not all because only parts of the building
are dealt with, and the repaired building is not as strong as it
usually is when new.
Various activities undertaken for structural repair include:
Source: Bhuj Earthquake/
www.gsc360.wikispaces.com
Removal of portions of cracked masonry walls etc.,
and rebuilding them in richer mortar.
Addition of reinforcing mesh on both the faces of the
cracked walls, holding it to the wall through nails etc.,
and then plastering it
Injecting epoxy like material, which is strong in tension,
into the cracks in walls,
columns etc.
Structural Strengthening
It requires adding strength to the weakened or damaged building to
restore the lost strength. The lost strength of the structure can be
Source: Typical Earthquake Bands/
houseingreconstruction.org
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