Deformation and vibration, the position of the entire bearing system member in response to the results seen in the building ground motion. These deformations result is that there will be cross displacement between the development component of the force between the internal bearing system and relative buildings. The requirements depend on the displacement of stiffness and mass of the building. In general, have higher stiffness and lower quality buildings require less horizontal displacement. Instead, the increased demand for emissions. On the other hand, each building has a specific displacement. In other words, that a horizontal displacement of the building can not get the amount of collapse is limited. <br>This can reduce the expected displacement of the structure by strong demand during exercise or improving the displacement capacity of the structure to achieve. Reinforcement system, a new element is added to enhance the rigidity of the entire structure. With the increase in stiffness, natural period of the building will be reduced. In turn, this will lead to horizontal displacement, reduce the amount of a building must meet to withstand earthquakes. When the building has sufficient rigidity, it will no longer be able to achieve displacement, which will lead to its collapse. <br>In addition to construction of new members, the level of the bearing capacity of the building should also be increased. Therefore, the increased capacity will require more ground motion, the construction and development of profitable. Therefore, it can be said, to strengthen the system, not only can prevent the collapse, but also retard structural damage. <br>More specifically, when the degree of injury is expected to keep building significant damage during the earthquake of moderate intensity can be reduced to a minimum, technical stability can be reinforced through the system. The reinforcement element method is triggered based on the lack of reinforcement element method, and the continuous loss of bearing damage in the bearing system of the building has no significant change. In this method, present in the bearing system is ignored in establishing properties such as stiffness and mass change of position does not change significantly. Therefore, we must take into account the members strengthened the changing demand will not significantly change.
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