Floor Structure For Earthquakes

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.

Floor structure for earthquakes. 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. Since earthquakes release energy that pushes on a building from one direction the strategy is to have the building push the opposite way. Earthquake any sudden shaking of the ground caused by the passage of seismic waves through earth s rocks. To design an earthquake proof building engineers need to reinforce the structure and counteract an earthquake s forces.

Learn more about the causes and effects of earthquakes in this article. 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. The pagoda at the horyu ji temple in japan is a testament to architectural design that was ahead of its time. When the story heights of adjacent buildings are unequal the inter floor pounding maybe happen during earthquake.

No structure on the planet can be constructed 100 earthquake proof. 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. Here are some of the methods used to help buildings withstand earthquakes. Earthquakes occur most often along geologic faults narrow zones where rock masses move in relation to one another.

Based on analytical model the inter floor pounding responses of adjacent buildings with. 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. In recent earthquakes including the 1994 northridge earthquake these structures have failed catastrophically with loss of life. Finally an outlook of future possible research direction for more realistic design of secondary structures is given.

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. The floor structure on both the. Built in 607 ad the 122 foot tall structure is still standing now one of the world s. An appraisal of current numerical and experimental analysis methods of secondary structure is presented.

How to design earthquake proof buildings. Treatment is required to be given depending on the zone in which the particular site is located.