Advanced Earthquake Resistant Techniques
Abstract
Advanced Earthquake Resistant Techniques structures are structures designed to protect buildings from earthquakes. While no structure can be entirely immune to damage from earthquakes, the goal of earthquake-resistant construction is to erect structures that fare better during seismic activity than their conventional counterparts.
According to building codes, earthquake-resistant structures are intended to withstand the largest earthquake of a certain probability that is likely to occur at their location.Currently, there are several design philosophies in earthquake engineering, making use of experimental results, computer simulations and observations from past earthquakes to offer the required performance for the seismic threat at the site of interest.These range from appropriately sizing the structure to be strong and ductile enough to survive the shaking with an acceptable damage.
The conventional approach to earthquake resistant design of buildings depends upon providing the building with strength, stiffness and inelastic deformation capacity which are great enough to withstand a given level of earthquake-generated force. This is generally accomplished through the selection of an appropriate structural configuration and the careful detailing of structural members, such as beams and columns, and the connections between them. But more advanced techniques for earthquake resistance is not to strengthen the building, but to reduce the earthquake-generated forces acting upon it.
Conclusion
The advanced earthquake engineering techniques for various multistoreyed building frames which is applicable to substructure level and superstructures level has been studied in details. &ollowing conclusion are derived which are as follows:
- The small magnitude earthquake intensity which always shakes themultistoreyed building for shorter period, where the major structural components are sufficient to impart the response
- The larger magnitude peak earthquake e7citation always needs proper positioning of friction dampers with combination of tuned or viscous dampers.
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