# Inelastic Lateral Torsional Buckling of Beams

*A numerical procedure is presented for predicting elastic and inelastic beam buckling loads. The procedure uses a finite difference solution to the differential equations defining lateral...*

Wagner Hypothesis in Beam and Column Theory

*A examination is made on the underlying assumptions on which the flexural-torsional theory of thin-walled members is based. One of them, the Wagner hypothesis, is found not to be needed...*

Torsional Coupling and Earthquake Response of Simple Elastic and Inelastic Systems

*The effects are analyzed of torsional coupling on the earthquake response of simple one-story structures in elastic and inelastic ranges of behavior. The structures considered are symmetrical...*

Simple Model for Earthquake Response Studies of Torsionally Coupled Buildings

*Simple models defined only in terms of overall system properties are developed to approximate the response of one-story buildings. A system with several resisting elements may be idealized...*

Analysis of Shells with Meridional Ribs

Torsional Vibration Tests on Embedded Footings

*Torsional vibrations are of common occurrence in foundations of structures subjected to eccentric loading in a horizontal plane. Foundations of radar and communication antennae and certain...*

Torsional Buckling Study of Hartford Coliseum

*A structural analysis for torsional buckling of four-angle cruciform sections is utilized to predict the failure mode of the space truss for the Hartford Coliseum and the results are compared...*

Dowel Action in Concrete Beams Subject to Torsion

*The test program included 14 beams, two of which were of plain concrete, six longitudinally reinforced with corner bars of varying diameters, and six with both longitudinal and transverse...*

Ambient Vibration Survey of Offshore Platform

*Natural frequencies from 0.65 Hz to 4.5 Hz and associated mode shape parameters for vibration modes of a 390-ft (119-m) tall steel platform were determined from measured ambient accelerations....*

Finite Element Analysis of Box Girders

*A numerical method for the analysis of elastic thin-walled box girders is presented. The method is based on the separation of variables suggested by Vlasov and on the finite element method....*

Tall Building Response to Earthquake Excitations

*Under external excitations, a multistory building structure responds in both translation and torsion. The two types of motion are normally coupled, except for the unusual case where the...*

Torsion of Core Walls of Nonuniform Section

*The finite difference method is used in the solution of torsional problems of tall core wall structures with nonuniform sections. The formulation is very flexible and versatile, and can...*

Torsional Analysis of Cutout Beams

*The torsional deflection analysis of uniform hollow beams having a uniform cutout and subjected to a quasi-statically moving point torque is presented. An inherent deflection discontinuity...*

Stability of Flexibly Connected Plate Systems

*Two or more plates connected along lines parallel to the direction of in-plane load reach a limiting state of stability that depends on the stiffness of the connection. Intermittent and...*

Torsion of Reinforced Square Cylinder

*A method is development for calculating the torsional shearing stresses in a square rod which is reinforced by any number of circular reinforcing bars. An example is the concrete cylinder...*

Errors in Utilization of Cold-Formed Steel Members

*Experience indicates that the detailed requirements of AISI specifications are often overlooked in choosing cold-formed steel members for the structural components of buildings. Examples...*

Combined Torsion, Bending, and Shear on L-Beams

*Tests are reported on 15 semicontinous L-beams with stirrups under concentrated loads creating torsion combined with flexure and shear. The main variables were the amount of stirrups,...*

Torsional Rigidity of Partially Yielded I-Sections

*Steel beam-columns of I-shaped cross section commonly collapse in a flexural-torsional mode. The St. Venant torsional rigidity is therefore one of the relevant section properties in analysis....*

Torsional Effect in Soil-Structure Interaction

*This note describes a simplified method to evaluate the dynamic response of a building, including the wave propagation effects of ground motion. This method is based on a computer code...*

Postcracking Compliance Analysis of RC Beams

*An analytical model for postcracking compliance of rectangular reinforced concrete beams under combined torsion, bending, and transverse shear is established using the skew bending theory....*

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