Seismic optimization and retrofitting
Seismic optimization means improving the seismic condition of existing structures.
In order to improve the seismicity of the target structure, it is equal to building the seismic capacity of the structure that can be achieved by increasing the structural capacity or by reducing the need for seismicity.
Increasing the structural capacity is possible with increasing hardness and resistance, which is called refinement. Building retrofitting can be done using modern building materials and products such as FRP.
The reduction of the structural seismic requirement can also be accomplished through various measures such as: increased formability, reduced mass, reduced irregularities, and the use of modern seismic designed technologies, such as the use of seismic separators, dampers, etc.
In presenting the improvement plan, it is necessary to pay attention to the two categories of execution and economic efficiency of the plan, as the improvement of the shivering motion is on the edge of the razor.
If the designer, in his/her plan, did not use the full capacity of the structure, he/she would lose his/her economic justification and the modernization will be improved upon.
It should be noted that using nonlinear analyzes can be used to fully utilize the structural capacity.
One of the basic activities of the construction group is designing and implementing retrofitting and improving the seismicity of the buildings under construction. In this regard, several projects have been designed and implemented in the country.