Reaching for the Sky
Tapei 101—soon to open its doors as the world's tallest building—will resist devastating typhoons, earthquakes, and sway with an ingenious system of outrigger trusses, supercolumns,...

Making the Grade
Adding two lanes to a stretch of highway in western Colorado required excavation on slopes and involved micropiles, mechanically stabilized earth walls, ground anchors, and soil nails....

A More Perfect Union
Established to promote greater public understanding of the United States Constitution, the National Constitution Center facility in Philadelphia is a structure of complex geometries articulated...

Life-Cycle Environmental Accounting and Decision-Making for Bridge Structures
This presentation focuses on life-cycle environmental accounting and decision-making for bridge structures using the example of steel and steel-reinforced concrete....

Torsion of Reinforced Concrete -A Historical Overview
The story of torsion of reinforced concrete must start with the French professor, C. L. Navier. In his landmark book (Navier, 1826) he rigorously derived the first rational theory for...

Overview of Structural Behavior of Members Subjected to Torsion
The torsion strength of concrete beams depends on many factors, such as the amount of reinforcement, the volumetric ratios of longitudinal and transverse steel bars, the concrete strength,...

Advances in Analytical Modeling of Torsional Members
The basic formula for calculating the torsional strength of reinforced concrete members was developed by Rausch (1929) using the space truss concept. Unfortunately, Rausch's equation may...

Members Subjected to Torsion Combined with Other Actions
The combination of torsion with bending and shear (T-M-V) in members with both transverse and longitudinal reinforcement is the most commonly encountered combination in practical cases....

Structural Expression in Wind Sensitive Structures
Architectural details can impact both the local cladding pressures on a structure as well as the overall structural response. Figure 1 shows a pair of roof corner vortices on the upper...

A Tale of Two Towers: The Foundations
In preparing two lots in New York City's Times Square as sites for modern skyscrapers, engineers devised foundations and structural systems that would allow for subway lines,...

A Tale of Two Towers: The Structures
In preparing two lots in New York City's Times Square as sites for modern skyscrapers, engineers devised foundations and structural systems that would allow for subway lines,...

Poetic Crossing
Named for Georgia's first national poet, Sidney Clopton Lanier, the new Sidney Lanier Bridge, spanning the Brunswick River in the city of Brunswick, is an elegant structure...

Safe!
Rather than tear down a century-old warehouse that occupied the site of a planned baseball stadium, engineers renovated and reused the structure as part of the ballpark. Fans can view...

Outside the Box
Employing an innovative design that made construction quick and economical, the box girder structure carrying Highway N-2 over interstate 80 near Grand Island, Nebraska, became the first...

Case Studies in Steel
An innovative project delivery system for structural steel buildings enables the structural engineer to provide complete structural design services on conventional contractor-led design/build...

Evaluation of Anchor Wall Systems' Landmark Reinforced Soil Wall System
With T.C. Mirafi's Miragrid & Miratex Geogrid Reinforcement —Final Report
This report describes a HITEC evaluation designed to determine the basic capability and limitations of the Landmark/Mirafi System for use as a technically viable precast MSE retaining...

Evaluation of the CON-ARCH reinforced Concrete Buried Arch System
Final Report
This report summarizes the evaluation of the Con-Arch culvert system marketed by Hunter Contracting, Co. of Tucson, Arizona. The evaluation consisted of computer analysis and field testing of two Con-Arch...

Water Treatment Plant Design
Let a team of water treatment plant design experts . with contributions from more than 30 international authorities -- give you comprehensive guidance on modernizing existing water treatment...

Design of Isolated Structures
This chapter examines the design of isolated structures. Topics include governing design codes; design of isolated buildings; design of isolated bridges and viaducts; and issues related...

Analysis
This chapter presents a brief overview of the current analytical modeling techniques for isolated structures. Perhaps the biggest challenge in the design of an isolated structure is incorporating...

 

 

 

 

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