Disater Management

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Disaster Resistant Construction Practices
A Reference Manual

Natural Disasters in Tamilnadu

TSUNAMI
The Aftermath
• • • •

EARTHQUAKE

Loss of Human and animal lives Economic loss in terms of damages to crops and infrastructure Loss of livelihood Damage to housing and habitat Unsafe Buildings Kill People

• • • • •

Improper location Faulty design, use of poor quality materials Sub-standard construction practices Non-compliance to building codes Lack of awareness of: — Safe Construction practices — Disaster resistant practices

FLOODS

CYCLONES

Disaster Resistant Construction Practices

Introduction
Disaster Resistant construction practices are as important as disaster resistant structrual designs. Infact the methodology for construction also should be designed for disaster resistance. We should have proper implemenation of the structural details so as to let the structure behave as envisiged. The quality and methodology of construction is equally important. For example we use cover blocks. If the cover blocks are not cast properly in good quality concrete then they facilitate concrete deterioration. Ultimately this affects durability and serviceablity of the structure. The Durability and serviceablity are the key elements of any structure. Ensuring Quality in construction will enable achieving durability and serviceablity as a desired end result.

Openings too close to corners Too high and long walls

Use of Cut Lintels

Usually a building comprises of: 1. Walls 2. Openings 3. Foundation 4. Plinth 5. Beams/Columns 6. Roof / Slabs

Deficient Bond at corners

Parts of a Building
Differential settlement due to soft soil

Vulnerable Parts of a Building

Disaster Resistant Construction Practices

1.1
PROVIDE

Settlement pattern and Design Considerations

Clustered (zigzag) planning avoids tunneling effect and reduces susceptibility to disaster

AVOID

- Row house settlement with roads leading to Sea

PROVIDE...
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