viju disaster edited 2003
TRANSCRIPT
8/3/2019 Viju Disaster Edited 2003
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Index Index
What are Safe Construction
Practices? Imperatives for Safe Construction
Do¶s and Don¶ts
Elements For Promoting Safer Building
Earthquakes
Floods
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Safe construction practices are
those practices which should be
followed in disaster prone areas
while constructing houses or any
type of buildings so as to avoid somuch damage at the time of a
disaster.
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Reduction in huge loss of time element in planning,design, reconstruction phase lasting from 1 to 5 yrs or more
Saving of limited, costly and scarce resources of
building materials and money (finances) for the loss of
buildings, properties and infrastructure;
Reduction in economic loss to the community /
nation(s) due to its negative impact on
economic/industrial activity and social and welfare areas
like health, education and community well being;
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Equally important ar e the very usef ul pictorial brochur es ( f ol ders),
which i denti f i es the wrong construction featur es, which ar e not to be
utilised and which had contribut ed to d amage and destruction and at
the same time i nd icat e the ri g ht construction featur es, which ar ed isast er r esistant. These have been ev ol ved f or earthquak e r esistant
construction, cyclone r esistant construction, f lood prot ect ed
construction and ar e ex tr emely usef ul i n pictorial and g raphical
f orms, which can also be utilised by semi-lit erat es. The details ar e
av ailabl e f or all el ements of construction. These ar e normally
prov i ded i n local ver nacular lang uages with very limit ed pri nt ed
t ex tual f orm but with mor e g raphical (pictorial) f orm. These ar e
pri nt ed and circulat ed very wi dely and f r eely. Further, wall post ers of
the same ar e also d isplay ed i n many public off ic es, off ic e buil d i ng s
and public asset buil d i ng s wher e common peopl e have acc ess.
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The features to be considered at the stage of
architectural planning and structural design of buildings for protection against earthquakes are:
Building configuration
Foundation Control on openings in walls
Reinforced concrete bands in masonry buildings.
Vertical reinforcement.
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Foundation of an earthquake-resistant building:
a) Assess the potential for soil liquefaction toavoid tilting cracking and failure of structure.
b) Adequate foundation design should be
planned so that building can withstand
earthquakes. The damaging effects of earthquakes on the
ground are
a) Soil failures such as liquefaction and
landslides caused by shaking.b) Tidal waves (Tsunami) i.e. large waves on the
surface of water bodies, that can cause major
damage to shoreline areas.
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Protection measures against floods are:i) Residing on river banks and slopes on river banksshould be avoided.ii) Buildings should be built at 250 metres away fromthe sea coast/river banks.iii) To build proper drainage system in all flood prone
areas.iv) To construct the whole village or settlement on araised platform higher than the high flood level.v) To construct the building with a plinth level higherthan the known high flood level
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W e¶d lik e to thank our
S ocial S ci enc e
t eacher, M rs.UmaM rs.Uma
RameshwaranRameshwaran and our par ents f or all the
g ui d anc e and support
that was g i ven to us
to compl et e this
pr esentation.