Pedestrian Level Winds: A Brief Review
The use of analytical and wind tunnel techniques and their limitation for making estimates of pedestrian level winds on or around a building site is reviewed. Some examples of solutions...

Concrete Plate Reinforcement: Frictional Limit Design
The limit design of a regular rectangular reinforcing net in a concrete plate subjected to arbitrary normal and shear forces and bending and twisting moments is studied. The assumptions...

Anton Tedesko: Thin Shells and Esthetics
Rarely can historians attribute to one person the introduction into a society of a new and widely useful engineering idea. We have no difficulty, however, in attributing to one structural...

Preliminary Planning of Steel Roof Space Trusses
During the preliminary plan phase of designing a steel roof space truss, a number of parameters must be considered and evaluated. These include the geometry of the framing system, the...

Flexural Strength of Flat Slabs at Exterior Columns
The flexural strength of exterior panels of flat slab structures is investigated by use of Yield Line Theory. Six controlling, geometrically admissible, collapse mechanisms are identified,...

Circular Voided Concrete Slab Stiffnesses
Finite element procedures for determining the plate bending stiffnesses of a circular voided slab are presented and the results are compared with those obtained from tests on model elastic...

Simultaneous Airblast and Ground Motion Response
A single-degree-of-freedom approach is used to model structural response to superimposed airblast and ground vibration from conventional explosions. A method is used whereby the force...

Prestressed Decks in Continuous Composite Bridges
A convergent series solution, using the concept of equivalent orthotropy, is employed to analyze continuous composite bridges under static loads. The effect of the interaction between...

Formulas for Wood Shear Walls
Formulas are presented for the analysis of typical wood-frame shear walls with sheathing attached by nails or other types of discrete fasteners. Formulas are derived for the sheathing...

Tornado Technology and Professional Practice
Advancements in tornado technology make it possible to plan and design for the tornado. Tornado proof designs are being employed in the nuclear industry and in the design of shelters....

Fatigue of Two Year Weathered A588 Stiffeners and Attachments
An experimental program examined the effect of A588 steel specimens with transverse stiffeners and attachments. It was found that two years of continuous weathering, prior to stress cycling...

Performance of Cable Trusses under Static Loads
Tensioned cable structures are becoming increasingly popular for covering large column free areas. Among the various forms of cable roof systems used, the truss form is the most popular...

In-Plane Stability of Parabolic Arches
Studies are reported of the response to uniformly distributed loading of parabolic arches of rise equal to a fourth of the span. Base conditions are both fixed and pinned. The distributed...

Lapped Tensile Reinforcement Splices
The bond action between concrete and deformed bars in lap splices is analysed in its different working stages. The principal tensile stress generated by bond stress cracks the concrete...

Uniform Element Modeling of Tapered Frame Members
Prismatic members of structural frameworks are conventionally analysed by using a simplified model supplied by the engineering beam theory. The paper considers the possibility of extending...

Ductility of Square-Confined Concrete Columns
A brief review showed considerable differences in the quantity of rectangular hoops required by various seismic design codes in the potential plastic hinge regions of rectangular reinforced...

Experiments on Closing Reinforced Concrete Corners
Reinforced concrete corners have inherently more flexural strength across the corner than at other sections when subjected to negative bending moments. The modes of failure and cracking...

Nonlinear Traveling-Wave Effects on Cooling Tower
The dynamic response of a tall reinforced-concrete hyperbolic cooling tower which has been designed for vertically incident seismic waves, based on a linear analysis, is examined for horizontally...

Slow Crack Growth in Cement Composites
The resistance to crack growth in mortar, concrete and fiber reinforced concrete was studied by testing double torsion and double cantilever speciments. R-curves (plots of strain energy...

Composite Masonry: Research Needs
Composite masonry walls (walls built of brick and concrete masonry units bonded so as to exert common action under load) have been used for decades. Until recently, the only method of...

 

 

 

 

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