Design of Tension Member Insulated Anchor for Arctic Pipelines
This paper explores the latest development in above-ground waterflood pipe anchors currently being used on the SOHIO operated portion of the Prudhoe Bay Oil Field. The objective of the...

Sheet Pile Interlock Behavior: A Moving Contract Problem
The finite element method is used to analyze the behavior of sheet pile interlocks subjected to an uniaxial pull test. The thumb and finger of the interlock provide three contact points...

The Public/Private Condo
A 20-story office building in Chicago was built on publicly owned land under a condominium arrangement that allowed a developer full ownership of air rights over and above the 100,000...

Soil Nailing a Wall
Soil nailing is the reinforced-earth idea (in which the earth must be backfilled behind the wall) applied to cut situations. Soil nails are an inexpensive post-tensioned tieback, consisting...

Complexity in Concrete
Centrust Tower in Miami, Fla., is a $95 million, 37 story, 600,000 sq ft tower rising from one side of a block-square 11 story parking garage. Columns on the curved side of the triangular...

The Hybrid Arena
The University of North Carolina's new basketball arena at Chapel Hill combines steel and fabric in a dome whose design by David Geiger Associates is based on the principles...

Mixed Use, Mixed Materials
Tabor Center is a $330 million office/commercial/hotel complex in Denver's urban renewal area. The two block site is bisected by a street that had to be kept open during construction....

Alignment Special Structures for Vancouver's ALRT
This paper describes the special long-span structures, offset columns, and bent structures used in situations where the standardized guideway components used in over 90 percent of the...

Tension-Compression Test of a Concrete Specimen Via a Structure Damage Theory
The concrete sample is assumed to consist of a large number of aggregates and cement paste. Their material properties are assumed to be perfectly elastic. The effective elastic property...

A Space Frame Forecast
New York City's Jacob K. Javits Convention Center has the largest space frame of its kind in the world. There are several unique design features in the space frame, among...

Redecking with Precast Keeps Traffic Moving
The Woodrow Wilson Memorial Bridge in Washington, D.C. could not be closed to traffic while a new deck was constructed. The engineers designed a precast prestressed and post-tensioned...

Reservoir
To preserve a vital part of the St. Louis, Mo. water supply , Stacy Park Reservoir was renovated with a new concrete roof over half its area and new beams in the other half. The new roof...

Easing Strains in Partner-Managed Firms
The family-like nature of partnerships promotes shared management responsibilities but creates conflict. Partnerships, like families, are often taken for granted by the partners. Nonpartners...

Bridge
Seven Mile Bridge is the longest, continuous precast post-tensioned segmental concrete bridge in the world. In addition to its function as a main artery connecting the Florida mainland...

Building Trends: The View from Houston
Highligts of the major changes in building design and construction over the past decade are presented from a structural engineer's viewpoint. The areas covered include: (1)...

Flanged Reinforced Concrete Flexural Members
Design aids in the forms of charts and tables are available for design of reinforced concrete flexural members. Many of these design aids were developed for design of rectangular cross...

Engineer's Notebook: One-step Formula for R/C Tension Steel
In the design of reinforced concrete beams, after loadings and materials are defined, the first step is to assume a beam depth. Then the required steel area and beam width are determined....

San Francisco Convention Center Goes Underground
The Moscone Convention Center, built at a construction cost of �126 million, opened its doors to an admiring public on December 2, 1981. The Center's grand exhibit hall, 90...

Stadium Completed Night Before Game
Construction problems with a major addition to the Clemson Memorial Stadium in Clemson, S.C., halted construction for four months. In order to make up the time, the design firm had to...

Post-Tensioned Foundations as Economical Alternative
Although post-tensioned (p-t) foundations have been utilized in the U.S. since the early 1960s, the last five years have witnessed a substantial increase in their implementation. Used...

 

 

 

 

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