Seismic strengthening and energy dissipation systems are viable design strategies that have already been used for seismic mitigation of a number of buildings.
Seismic Architecture and Strenghtening
Seismic Risk and Mitigation Systems
Seismic Strengthening Retrofitting would have minimized or even eliminated the damage done to this California building during an earthquake. The building was deemed unsafe and was subsequently thorn down. Isolation systems absorb the tremors, minimizing loss of structural integrity. Retrofitting support beams and cross braces strengthens the structure while at the same time absorb shocks throughout the building.
Strengthening of the structure typically falls into one of two groups; system based strengthening and member based strengthening to inadequate parts of the construction. Reinforced concrete and shear walls, as well as steel bracing are the most typical methods for system strengthening of real estate structures and can be performed on the interior of the buildings or as an exoskeleton on the exterior. Member based strengthening includes concrete and steel “jackets” to reduce vibrations to vulnerable building elements. Recently, fiber reinforced polymers have been used in the absence of sufficient space for other methods to enhance ductility of the elements. Steel anchors between new and older building elements combine these methods.
“Seismic Isolation” is a method of protecting a building from major earthquakes. “Isolators” are installed between a building and the ground to reduce vibrations that transmit to a building. It is as if the building were in a condition of floating in the air above the ground. This building is called a seismically isolated building.
earthquake insurance expense disappear
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