Analysis of an Inelastic Column
An inelastic column that is deformable throughout is analyzed. Simplifying assumptions are that the column is pinned at both ends and is symmetrical about its midspan, the cross section...

Beam-Column Experiments
Tests on thirty-seven, full-scale, wide-flange, beam-columns are described and the results are evaluated. Bending was about the strong axis for all but one of the tests, with the slenderness...

Frames of Solid Bars of Varying Cross Sections
The deformation method is fundamental of the problems of buckling, bending, and simultaneous bending and compression or tension of elastic structures, such as continuous beams, frames,...

Inelastic Frame Buckling
A method is presented for solving the stability problem of inelastic frame structures in the presence of primary moments. Buckling loads are determined from an iterative procedure for...

Experimentation Rotation Capacity of Steel Beams-Columns
The results of 31 tests on small scale mild-steel I-section stanchions are presented. The specimens were loaded by a constant axial load and bending moment acting at one end in the plane...

Turbulent Flow in Rectangular Ducts
The hydraulic radius of any conduit cross section is nothing else but the corresponding parameter of an equivalent two-dimensional channel; consequently, it cannot account for shape effects....

Flow Retardance by Channel Weeds and Their Control
Water weeds raise Manning's n values in proportion to density of growth according to weed-type, as controlled by channel geometry, area, and flow. Large channels (with or without weeds)...

Analysis of Thickener Operation
A rational theory of thickener operation, based on the Kynch analysis of sedimentation, is used to develop a design method for thickeners using gravity settling of suspensions. Kynch has...

Transverse Normal Stress in Beams
On the basis of elementary beam theory, a simple formula is derived for the transverse normal (or pinching) stress in a beam. This expression, similar in form to the classic shear stress...

Membrane Analysis of Shells
Membrane shell equations are derived in a form applicable to any system of curvilinear surface or projected plane coordinates. Only elementary reasoning is used, and all terms have a clear...

Method for Plastic Design of Frames
An approximate optimizing criterion is introduced in the problem of optimum design of frames. The new criterion, having the form of the elastic energy, drastically reduces the difficulties...

Ultimate Load off of H-Columns Under Biaxial Bending
From an analytical procedure, the computational procedure of which is restricted to columns made of an idealized elastic-perfectly plastic material that is free of residual strains, it...

Inelastic Lateral Buckling of Beams
The problem of the inelastic lateral buckling of steel wide-flange beams is treated as an extension of the classical elastic buckling solution. The method is developed for the case of...

General Solution of the Hydraulic Jump in Sloping Channels
Generalized analysis of hydraulic jump in sloping or horizontal prismatic channels of any cross-sectional shape is presented, which leads to simple and practical method of computing essential...

Wave Force Coefficients for Offshore Pipelines
Drag and lift force co efficients due to wave action on pipe lines with circular and trapezoidal cross sections are evaluated for case in which they are in contact with smooth, hard surfaced...

Unsteady Dissolved-Oxygen Sag in a Stream
Solution is obtained for distribution of dissolved oxygen in polluted water of stream in which volume and velocity of flow are steady at any cross section, but not necessarily uniform...

Critical Buckling Loads for Tapered Columns
Formulas and graphs for determination of critical elastic buckling loads of uniformly tapered columns having wide flange section, box section, and other cross-sectional shapes are presented;...

Elastic Strength of Tapered Columns
Equations and mathematical values for columns considering interaction among axial thrust, end bending moment, and slenderness for elastic pin-ended member of variable cross section subjected...

Water Surface Profiles in Irregular Natural Streams
Simple, practical method is proposed for computation of water surface profiles; method is advantageous when several backwater profiles must be determined in channel; assumption is that...

Highway Pipeline Crossing Practice
Progress report by Committee on Pipeline Crossings reviews varying current practice of state highway agencies; recommendation of minimum standards covering loads, stress, and deflection....

 

 

 

 

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