# Stiffness of Reinforced Concrete Plates

*A general formulation for the in-plane and flexural stiffnesses of isotropically and nonisotropically reinforced concrete plates is presented. The stiffness of plates is related quantitatively...*

Absolute Orientation of Photogrammetric Model

*An iterative approach by linearized equations is employed to tackle the problem of absolute orientation. As the space model is similar to the photographed object, the scale determination...*

Onset of Instability of Power-Law Fluid in Couette Flow

*The critical Reynolds numbers at the onset of instability of a Newtonian and a power-law fluid, respectively, in the annulus between two coaxial cylinders, with the inner cylinder rotating...*

Structure-Ground Interaction in Earthquakes

*A method of analysis is presented for determining elastic structure-ground interaction effects of single-story structures under earthquake loads. The method derives an equivalent SDF model...*

Radial Flow between Porous and Solid Disks

*In preparation for an experimental investigation for the case in which the solid disk rotates while the porous disk remains stationary, theoretical calculations similar to Dorfman's...*

Vibrator for Soil Testing

*Herein, a two degree-of-freedom mechanical vibrator is proposed which is capable of generating sufficient forces at low frequencies without requiring a change of rotating weights, and...*

Properties of Circulation in Stratified Lakes

*An approximate method is presented to display some features of wind-driven circulation in a stratified lake. Rotation of the earth is included, but the effects of bottom topography and...*

Optical Current Meter Use in Southern California

*The optical current meter is a stroboscopic device with which an operator may visually follow and gage the velocity of particles moving on the water surface. From early prototypes the...*

Collapse Load Analysis using Linear Programming

*A kinematic approach to the collapse load analysis of plane structures is presented. Beginning with the inelastic rotation parameters and external work constants for a readily identifiable...*

Dynamic Analysis of Multibay Multistory Frames

*A computer program has been developed to analyze steel frames with or without shear walls which are subjected either to blast loads or to earthquake motions. Equivalent rotational springs...*

Sliding-Rocking Vibration of Body on Elastic Medium

*The dynamic response in coupled horizontal translation and rocking rotation of a rigid mass with circular base attached to the top of a homogeneous, isotropic, linearly elastic half-space...*

Behavior of Laterally Loaded Piles: I-Single Piles

*An analysis is presented for the horizontal displacement and rotation of a vertical pile subjected to lateral loading and moment, and situated in an ideal elastic mass. Influence factors...*

Behavior of Laterally Loaded Piles: II-Pile Groups

*An elastic analysis is presented for the horizontal displacement and rotation of a laterally loaded pile group and the distribution of horizontal forces within the group. The interaction...*

Wall Effect on a Sphere in a Rotating Viscous Fluid

*Experiments were carried out to study the wall effect on the slow motion of a sphere along the axis of a rotating cylinder of viscous liquid. In comparison to Stokes flow of a sphere along...*

Effect of Helix Angle on Flow in Corrugated Pipes

*New measurements of the Darcy friction factor in helical corrugated pipes are combined with earlier measurements to show general trends. These indicate that for a given pipe diameter,...*

Barge-Coal Handling at A. S. King Generating Plant

*Generating plant fuel demands and climatic factors required unusually large barge-coal unloading rates. Selection of unloading equipment was also influenced substantially by considerations...*

Spandrel-Slab Interaction

*The twisting moments in a spandrel and the bending moments in a slab, butting into it and uniformly loaded, are relaxed by the rotation and the horizontal and vertical displacements of...*

Free Vibration of Two-Dimensional Frameworks

*A set of three partial difference equations is derived which describes exactly the in-plane free vibrational motion of the joints of a regular, orthogonal, two-dimensional framework having...*

Torsionally Stiff Columns under Eccentric Loads

*A computer program was developed to predict the strength of hollow rectangular tubular columns with ends pinned and free to rotate in any direction for various load eccentricities with...*

Vibrations of Timoshenko Beams and Frameworks

*A general matrix formulation suitable for a use of the digital computer is presented for dynamic analysis of frameworks composed of prismatic members. The dynamic stiffness coefficients...*

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