Earthquake Proof

Earthquake Proof Buildings

An Earthquake is a sudden movement of the ground, most times causing severe damages to building, fields or open ground and even beneath ocean or sea floors. These usually occur along volcanic areas. Earthquakes are measured on Richter scale. Seismology is the study of earthquake and seismograph is an instrument that is used to measure and record the strength and movement of earthquakes.

With the devastation caused by this natural occurring disturbance, there has been increased clamour and agitation for construction of buildings and structures that are quakeproof. Although protection to buildings can never be perfect, but it will be assuring to know that most buildings are quake-resistant in order to reduce the amount of human and capital lose usually associated with earthquakes.

Scientists and engineers are constantly working on several technologies and methods in order to come up with the best protection of buildings and structures against earthquake. There are available building techniques but none is 100% safe against land tremor and they include;

Earthquake Building Materials

Earthquake Outrigger System

Earthquake Isolated Base Technology

All these methods are expensive to build; therefore cheaper techniques are being sorted for. This is to ensure that majority of home owners can benefit. But it is important to consider the amount lost during earthquake then compare it with the cost of building quake resistant building.  The best form of protecting large number of buildings from earthquake is the use of light materials from the foundation up to the roof. This ensures that beams are fixed together with bolts with little space in between them. The house is held firmly to the ground; therefore the use of steel beam for the foundation is the best option. This beam is driven deep down into the ground down to the underlying bedrock sediments. This method is only for those about to build, what about those already erected buildings? It has been suggested that steel sheet should be used to encircle such building and attached to steel beam down into the ground.

In cities prone to earthquake, the construction of less high building is the beginning of resistance to tremor. For example prior to the update in technology on building quake resistant building, in Japan buildings those are twelve storeys tall were not encouraged. Now, most high rising buildings in Japan adopt one technique; they drive foundation beams deeper down into solid ground.

There are three major effects prior and after earthquakes that tend to cause building collapse, therefore just building quake resistant structure is not entirely the best solution from collapse. Consider the following;

Earthquake Building Considerations

There are simple things needed to be put into consideration prior to building a home and they include;

Earthquake Building Tips

All hope is not lost in the quest to construct buildings that can resist earthquakes for example, the Transamerica Pyramid Building located in San Francisco was constructed with earthquake resistant technology and it has already swayed and moved a foot up during the 1989 earthquake and it never gave in.  In the Himalayas, there are many buildings that have resisted earthquake over the years. These structures were built with local raw materials like woods, clay slabs, stones and slabs. Some of these building are standing at eight meters above ground levels, others are five to six storeys tall with rooms on each floors. These traditional structures have over the years stood the test of time against earthquake.



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