# Analysis of Unbraced Multistory Steel Rigid Frames

*A compatibility method of analysis is developed for the study of the inelastic in-plane behavior of multistory steel rigid frames subject to sidesway. The method provides for the following...*

Optimum Design Using Available Sections

*Conventional optimum structural design methods assume that a continuous spectrum of member sizes is available to the designer. For example, in the minimum weight rigid-plastic design of...*

Stability Analysis of Frameworks by Matrix Methods

*A general matrix formulation for the solution of buckling loads and modes of rigid frameworks under axial loads only in the primary condition is presented. Input data for the computer...*

Stability of a Bar Under Eccentric Follower Force

*A uniform cantilevered bar subjected at the free end to an eccentric, compressive follower force is considered. It is shown that, for cross sections having two axes of symmetry and vanishing...*

Space-Framework Method for Three-Dimensional Solids

*A space-framework model is derived to represent a rectangular, prismatic, solid element which is assumed to be in a state of uniform stress and which has any value of Poisson's...*

Stability of Rigid Frames with Nonuniform Members

*Buckling capacities of rigid frames with nonuniform members are analyzed by a numerical method using divided segments. Fundamental and higher buckling loads and modes result from the eigenvalues...*

Stability and Influence Vectors of Trusses

*The necessary and sufficient conditions for geometrical stability of plane truss constructions, either statically determinate, or indeterminate, are presented. The procedure of testing...*

Simple Method of Analysis of Vierendeel Structures

*An exact moment distribution process suitable for the analysis of rigid frames, simple Vierendeel girders, and multistory buildings with coupled shear walls subjected to transverse loads...*

Design of Steel Frames for Minimum Weight

*A procedure for obtaining minimum weight of plastic designed, rigid jointed steel frames, is presented and beam-column interaction is considered. Zonal linearization of the nonlinear relationship...*

Flexural-Torsional Buckling of Planar Frames

*A method of analyzing flexural-torsional buckling frame failure is presented. The differential equations and equations of equilibrium and continuity at interior joints are derived by minimizing...*

Torsion of Structural Shapes

*Charts and empirical formulas are provided for the accurate calculation of the torsion constant for the wide flange, I, channel, tee, zee, and angle structural shapes. The differential...*

Generalization of Hardy Cross Method

*A modified method of moment distribution, to include sidesway, is presented. The ordinary factors encountered in the Hardy Cross method are adequately adjusted and the procedure slightly...*

Rigidity and Strength of Composite Plates

*The objective of the experimental study described was to determine the rigidity, load carrying capability, and mode of failure for several composite (steel and concrete) circular plates....*

Guide To Good Practice For Highway-Pipeline Crossing

*The Final Report of the Committee on Pipeline Crossings, Highway Division, is a summary of current (1963) pipeline-crossing practice of state highway agencies. A series of questionnaires...*

Velocity of a Water-Hammer Wave in an Elastic Pipe

*The general expression for the velocity of a water-hammer wave through a fluid in an elastic pipeline is evaluated. This result is applied to the following common practical cases: A rigid...*

Rigid-Plastic Analysis of General Structures

*An attempt to explore the concepts involved in the use of kinematic methods to find the limit load for general rigid-plastic structures suggests, by analogy with well established procedures...*

Elastic Buckling of Rigidly-Jointed Braced Frames

*A study is made of the condition of statical equilibrium of plane triangulated (braced) rigidly-jointed frames. It is assumed the frames are loaded centrally at the joints. A nonlinear...*

Analysis of Rigid Frames by Difference Equations

*An ideal, symmetrical, three-span, multi-story frame illustrates the applicability of the finite difference equation to structural problems with more than one set of unknowns. The mathematical...*

Statical Indeterminacy and Stability of Structures

*Elements of linear graph theory are presented and used to generate a matrix whose dimensions and rank are necessary and sufficient for describing the static stability and indeterminacy...*

Solution of Nonlinear Shear Lag Problems

*The governing differential equation for the plane stress problem of a nonlinear material and complete transverse rigidity is derived. Involving a stress function, it is applied in non-dimensionalized,...*

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