# Sediment Measurement Techniques: A. Fluvial Sediment

*A description is given of modern techniques and equipment used to plan and make sedimentation measurements on natural streams. First typical examples are given of sedimentation characteristics...*

Nonenlarged Box Culvert Inlets

*The effect of variation in the dimensions of beveled leading edges on the discharge capacity of box culvert inlets of rectangular cross section is investigated. It is demonstrated that...*

Water Wave Over a Rectangular Channel Through a Reef

*A practical method for predicting characteristics of waves propagating over a submarine channel, of rectangular cross section, is presented. The method was based on experimental results...*

Damping Effect of Floating Breakwater

*The results of experimental studies are presented concerning the mechanism of attenuation of waves and the damping effect of the floating breakwater to which the system of phase difference...*

Circular and Logarithmic Spiral Slip Surfaces

*A method of analysis of embankment stability is described which applies equally to slip surfaces having a cross section either in the form of a circular arc or a logarithmic spiral arc....*

Aeroelastic Galloping of Prismatic Bodies

*Galloping oscillations of long prismatic bodies with aerodynamically unstable cross sections in the direction normal to that of the acting steady wind are analyzed. Principally, the steady...*

Elastic Buckling in Two-Component Columns

*The initial buckling loads of two-component columns with four different end conditions are investigated. The two components of a column are assumed to be rigidly connected with one component...*

Base Moment for a Class of Linear Systems

*Contributions of the second and higher modes to the overturning moment at the base of any classical linear system whose fundamental mode is given by a straight line are shown to vanish...*

Approximate Yield Surface Equations

*A procedure is presented for deriving approximate lower bound yield surface equations in terms of axial force, torsional moment and two flexural moments. Yield surface equations are tabulated...*

Elasto-Plastic Deflection of Tubular Beams

*A method of analysis is presented along with charts and tables for simplified computations of elasto-plastic deflections of beams of tubular cross sections at different stages of yield...*

Biaxial Moment Thrust Curvature Relations

*A method for computing moment-thrust-curvature relations for reinforced concrete column sections in biaxial bending is described. The cross section is partitioned by a rectangular grid...*

Rotation Capacity of Beams Under Moment Gradient

*This investigation attempts to relate the flange slenderness ratio to the rotation capacity of steel wide-flange beams subjected to a moment gradient. The steel used was CSA G 40.12, a...*

Nonuniform Torsion of Composite Beams

*The general expressions governing the behavior of a beam of composite, open, thin-walled cross section subjected to nonuniform torsion are developed. These expressions are rewritten in...*

Tangent Stiffness Matrix for Space Frame Members

*This presentation is concerned with the derivation of a 12 by 12 tangent stiffness matrix for a space frame member with constant cross-section. At first, the member end forces are expressed...*

Box Girder Model Studies

*An experimental study of the stresses in a box girder subjected to concentric and torsional loading configurations is described. Tests were conducted on a plexiglas model to examine the...*

Uncased Pipeline Crossings of Railroads and Highways

Wave Transformation in an Open Channel Transition

*Theoretical development and an experimental investigation are considered of the transformation of water-wave characteristics in the reflection transmission processes through a channel...*

Dominant Discharges at Platte-Missouri Confluence

*Principal objectives of river regulation are (1) to secure a stable alinement; (2) to develop a cross section adequate for flood flows; and (3) to maintain a better and deeper channel...*

On the Accuracy of Timoshenko's Beam Theory

*The deflection and rotation which appear in Timoshenko's beam theory may be defined either (a) in terms of the deflection and rotation of the centroidal element of a cross-section...*

Added Mass of Equilateral-Triangular Cylinders

*The added mass of a moving cylindrical body due to the acceleration of the surrounding fluid may be evaluated theoretically by determining the kinetic energy of the fluid surrounding the...*

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