# Three-Dimensional Soil-Structure Interaction of Nuclear Structures during Earthquake Considering Ground Rotational Input

Hanging Cable as Rotational Vibration Absorber

*Many basic textbooks present an analysis of free vibration of a uniform cable hanging in a gravitational field. An extension to illustrate the effects of a concentrated tip mass is given...*

Tall Buildings under Five-Component Earthquakes

*In design, earthquakes are often idealized as having a single horizontal component which can act in two orthogonal directions. The present note examines the influence of other components....*

Fictitious Strains Due to Rigid Body Rotation

*The behavior of structures that exhibit large displacements under loading must be predicted through a nonlinear analysis in which terms higher than first order are included in the strain-displacement...*

Plastic Rotations in Continuous Encased Beams

*Reported are test results of rotation capacities of 11 two-span continuous encased beams. Composite beams consisting of steel-joists of variable moments of inertia, encased in concrete,...*

Nonconforming Finite Element Analysis of Shells

*By selectively adding nonconforming displacement modes to the low order isoparametric elements, new highly improved shell elements have been established. To select the best set of nonconforming...*

Dynamic Response of Cantilevers with Attached Masses

*Using generalized functions, the frequency equation for free vibrations of a cantilever beam-column having rotational and translational springs at its support, and carrying concentrated...*

Coupled Shear Wall Analysis by Lagrange Multipliers

*A special finite element technique is described which permits interconnection of line elements in flexure and first-order plane stress elements. Continuity of displacements and rotations...*

Discrete Model of Beams on Elastic Foundation

*A discrete model is developed which consists of rigid bars connected by rotational springs and supported by lateral springs. End conditions of the model are formulated and equations of...*

Vane Shear Strengths at Two High Rotation Rates

Analysis of Rectangular Plates by Stiffness Method

*A procedure is derived for determining the stiffness coefficients at the midedges of a rectangular plate when the middle of any edge undergoes a unit displacement or a unit rotation. A...*

New Procedure for Numerical Relative Orientation

*A random rotation approach has been suggested herein to tackle the problems of relative and exterior orientations. This new method circumvents the problem posed with iterative solutions....*

Yield Criterion for Reinforced Concrete Slabs

*A yield criterion for reinforced concrete slabs is expressed considering the equality of the normal applied and ultimate resisting moments at the yield line. All orientations of the yield...*

Stiffness Center Method

*A approximate analysis of rigid frames using a new concept, called the stiffness center, is presented. It has been shown that when a skeletal elastic system is idealized as a configuration...*

Effect of Curvature on Nonlinear Frame Analysis

*A general curvature expression for beams and frames subjected to arbitrary rotations is developed and employed in the matrix displacement method of analysis. This formulation is compared...*

Rotational Capacity of Prestressed Concrete Beams

*Four two-span continuous beams loaded at their midspan by equal concentrated loads were tested to failure. The inelastic hinge rotation seems to be slightly reduced by the increase in...*

Inelastic Analysis of Reinforced Concrete Frames

*The imposed rotation method for the inelastic analysis of frames rests on the interpretation of the actual bending moment distribution as the superposition of linear elastic moment responses...*

Inelastic Spatial Stability of Restrained Beam-Columns

*A numerical method for computing the deflections and rotations up to the point of instability of elastically restrained inelastic beam columns is described. The cross section considered...*

Centrifugal Method of Mixing Soil with Stabilizer

*A new method of pulverizing and mixing soil with stabilizers is considered for the purpose of minimizing the energy required in these operations. The method consists of extruding soil...*

Response of Torsionally Excited Foundations

*Investigated herein are two aspects of the response of a rigid massless foundation of circular plane which is supported at the surface of a homogeneous elastic half space and is excited...*

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