In this paper, for the first time, floor stiffness is denoted as shear stiffness, which reflects the influence of floor length to width ratio more effective than floor bend-shear stiffness.
Damage identification approach of frame structure based on equivalent shear stiffness
The differential equation, the expressions for bending stiffness and shear stiffness of such space truss, as well as the formulas for calculating internal forces of its members are given.
The pipeline bridge is built up with triangle sections, its shear stiffness can be derived from the stress diagram for the truss with triangle section.
This kind of element can make use of joint experiment data to build solid joint model and can include normal nonlinear stiffness and coupling between shear stiffness and normal pressure.
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