Floor Structure For Earthquakes

Earthquakes occur most often along geologic faults narrow zones where rock masses move in relation to one another.

Floor structure for earthquakes.

When the story heights of adjacent buildings are unequal the inter floor pounding maybe happen during earthquake. Here are some of the methods used to help buildings withstand earthquakes. Learn more about the causes and effects of earthquakes in this article. This is because earthquakes vary in magnitude and causes ranging from deep openings in the earth s surface to severe disturbances across a fault line.

No structure on the planet can be constructed 100 earthquake proof. The floor structure on both the. Earthquake occurred in the recent past have raised various issues and have forced us to think about the disaster management. Framed structures with large parts of their walls not tied together tend to behave structurally as soft story structures like the three car garage in the san fernando valley shown in figure 11 6.

To design an earthquake proof building engineers need to reinforce the structure and counteract an earthquake s forces. Results from experimental work are used to validate the reliability of floor response spectrum and current design provision. In recent earthquakes including the 1994 northridge earthquake these structures have failed catastrophically with loss of life. An appraisal of current numerical and experimental analysis methods of secondary structure is presented.

Only its resistance to earthquake can be increased. No area of california is without earthquake risk but there are many ways to prepare your house to lower its risk of structural damage from an earthquake learn how earthquakes can damage your house and find solutions that work for your homesite and construction type. Employing substructures in pounding area the analytical model of adjacent structures with unequal story height is developed and the equations of motion considering pounding are derived. The pagoda at the horyu ji temple in japan is a testament to architectural design that was ahead of its time.

When a 7 1 magnitude earthquake rumbled through canterbury in september 2010 craig andrews never expected to be entangled in an insurance web a decade later. Finally an outlook of future possible research direction for more realistic design of secondary structures is given. Earthquake any sudden shaking of the ground caused by the passage of seismic waves through earth s rocks. Built in 607 ad the 122 foot tall structure is still standing now one of the world s.

Treatment is required to be given depending on the zone in which the particular site is located. A bottleneck that most structural engineers face when designing buildings in earthquake prone areas is the vagueness of just how earthquake proof the prospective structure should be.