# Optimal Design of Arches Using the Complex Method

*Optimal designs of arches under multiple load cases using an automated design routine are presented. The design variables consist of geometric (arch shape) as well as member sizing variables...*

The Rail-Highway Grade Crossing Program—A State's View

Railroad Highway Grade Crossing Program: Railroad View

Surfaces — Terrain Modeling and Contour Plotting

Hydraulic Geometry Coefficients of Floodplains

A Model Structure for Stream Systems

Airborne Laser Acquisition of Cross-Section Data

Nonlinear Dynamics of Tube in Coaxial Flow

*This note describes such as investigation in a relatively simple case. The structure is treated as a simply supported Euler beam of circular cross section with a fixed distance between...*

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....*

Minimum-Weight Design of Nonuniform Beams

*This note reports the results of an investigation of the minimum-weight plastic design of a propped cantilever beam of nonuniform cross section. The design of a propped cantilever occurs...*

Supercritical Flow in Bends of Trapezoidal Section

*Steady supercritical flow in circular bends of trapezoidal cross section is analyzed for the case in which the radius of curvature r*

_{0}of the center...Variations in Dimensions of Reinforced Concrete Members

*Variations in cross-sectional dimensions and in the location of reinforcing bars in slabs, beams, and columns are reviewed. Normal distributions are proposed for these quantities. The...*

Hydraulic Resistance of Artificial Strip Roughness

*An experimental study of two-dimensional flow over non-uniform roughness is reported in which artificial strip roughness was employed. The roughness elements were square in cross section...*

Inelastic Section Response by Tangent Stiffness

*A review of inelastic analysis of a cross section is made. Given the history of deformation, the history of axial force and moment may be obtained. Also, given the history of moment and...*

Pipelines — Positioning and Survey Problems

*The first section of the paper describes the goals and objectives and some typical surveying problems encountered in the planning stages and, similarly, in the next two sections, design...*

User Cost Analysis in Urban Freeway Rehabilitation

*Based on the principles and techniques given in the*1977 AASHTO Manual on User Benefit Analysis for Highway and Bus Transit Improvements a...

Multiple Jets in Shallow Flowing Receiving Waters

*An experimental study of multiple submerged heated jets discharging into confined, shallow, flowing receiving waters was conducted. Empirical relationships describing jet spreading and...*

The Buckling of a Nonuniform Column

Effect of Side Slopes on Concrete Bearing Strength

*The problem of large forces acting over limited contact areas of concrete is one of frequent occurrence in engineering deign. In three earlier papers, the effect of several important variables...*

Effect of Channel Meanders on Flood Stage in Valley

*Results of this study indicate that for a meandering channel in a valley there is an interaction between the channel flow and valley flow. The nature of the interaction varies with stage,...*

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