| Tue Nov 03, 2015 | Total posts : 2 |
|  Topic: Chances for collapse of modern houses in earthquake?
I'm curious to know the chances of complete collapse of single storey houses constructed following the modern engineering practices ie. Dry pack rubble foundation+RCC belt+Clay/Concrete brick wall+RCC lintel+RCC roof.
How strong earthquakes ie. Richter scale those houses can withstand?
Any idea about how many such houses collapsed in recent earthquakes in India?
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| Tue Nov 03, 2015 | Post #1 | S L Gupta (Civil Engg)
Join date: Mar 2008 | Dear Tack man
Earthquake can strike suddenly with very little
warning. One minute you may be enjoying the company of your friends and
family and the next minute the floor beneath you begins to shake. You
cannot stop nature, but you can learn how to react during an earthquake. Single story building have very very little impact of earth quack and negligible chance of complete demolition after RCC belt, lintel etc..
- The outer shell of the earth called lithosphere
is broken into plates which are in constant motion, moving at about the
same speed that fingernail grows.
- Sometimes when the plates rub each other, they stick a little and do
not slide smoothly. When the plates push against each other without
moving, the pressure is built up.
- When the pressure becomes more than the edge of the plates can
stand, a small part of the plates breaks or readjusts by moving up,
down, or sideways.
- This fracturing, crumbling, or readjustment of the plates releases huge amount of energy and causes earthquake.
- Earthquakes are due to the sudden release of the tremendous amount
of the energy within the earth by the sudden movement at a point called
focus.
- The resulting shock sends out longitudinal and transverse vibrations
in all directions in the form of the energy waves which are called
Seismic waves recorded on Seismographs.
- Thus the earthquake affects the buildings by destroying or dislocating of the walls, pillars or roofs
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| Tue Nov 03, 2015 | Post #2 | JAI PRAKASH
Join date: May 2014 | Modern construction is using columns to avoid the same.
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Brick Walls, Pillars and Structure-Construction Questions (39) | |
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