When a structure is subjected to dynamic loads (such as vibration, impact, earthquake), due to the fast speed of the load, the structure will generate inertial forces, resulting in internal forces, deformations, and other responses greater than the effect of static loads of the same magnitude.
The dynamic coefficient is a factor that amplifies the static load when converting the dynamic load value into an equivalent static load value for calculation.
It reflects the ratio of the response of the structure under dynamic action to the response under static action.
Article 5.
6.
1 of the Load Code for the Design of Building Structures GB50009-2012: For the dynamic calculation of building structure design, when there is sufficient basis, the self weight of heavy objects or equipment can be multiplied by the dynamic coefficient and designed according to the static calculation method.
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