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Lateral Stiffness of Unreinforced Masonry Circular Columns under Cracked Conditions
Unreinforced masonry Circular columns Seismic behavior Lateral stioness Cracking
2009/10/10
Both walls and columns are main structural elements of monumental buildings. In resisting seismic forces,the lateral sti ness of these elements is an essential parameter. Earthquakes may cause cracks ...
Describing Functions For Effective Stiffness andEffective Damping of Hystersis Structures
Describing function hysteresis structures energy dissipation devices equivalent period ratio
2009/2/19
For a hysteresis structure with energy dissipation devices, the force-displacement relation is nonlinear such that it is very difficult to evaluate the actual damping and stiffness coefficients, even ...
TWO-LEVEL SEISMIC DESIGN METHOD USING POST-YIELD STIFFNESS AND ITS APPLICATION TO UNBONDED BAR REINFORCED CONCRETE PIERS
post-yield stiffness two-level seismic design UBRC structure small section pier
2008/12/22
The two-level seismic design method using post-yield stiffness is proposed. The post-yield stifiness on the load —displacement relationship of the RC pier is found to be effective for the reduction o...
New Aproach in the Evaluation of Soil Stiffness Coeficients
Soil Stiffness Coeficients structure soil
2010/8/18
General numerical methods based on the discretization of the surface between structure and soil in finite elements are developed and, by their help, the stiffness matrix is determined. There are consi...