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...
Pressure Relief
When the two basins making up a 90 acre reservoir in New York needed to be emptied and cleaned, engineers decided to use the 2,750 ft (840 m) long concrete wall dividing them as a dam....
Building the Olivenhain
Engineers in California were hired to create a reservoir capable of providing the San Diego region with 24,000 acre-feet of water during an emergency shortage. The result is the Olivenhain...
Use of Fiber Reinforced Polymer Composites as Reinforcing Material for Concrete
Although the potential of continuous fiber reinforced polymers (FRPs) was recognized more than 50 years ago, bottlenecks such as vulnerability to static fatigue, ultraviolet radiation,...
Work of Art
Cincinnati's new art center is being lauded for its structural animation and innovative use of form. Rendering this sculptural edifice in concrete and steel within a limited...
Grand Finale
For 87 years Oklahoma's state capitol remained unfinished, the majestic cast-in-place concrete dome its designers envisioned never built. But as Oklahoma approached its centennial�to...
Failures and Problems with Lift-Slab Construction
This chapter provides an overview of failures and problems with lift-slab construction. Topics include jack systems with inadequate take-up devices; the Canadian wedge connection; Serra...
Lifting Collars and Lifting Equipment
The terms lifting collars and shear heads are used interchangeably in the industry. In this book the term lifting collar is used since it is a unique term applicable to lift-slab construction...
Stability and Loads
This chapter examines stability and loads. Topics include stability and lateral load resistance during construction; effective lengths of cantilever columns; effect on stability of frame...
Evaluation of the Geo-Con Vert Wall System
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF/IIEC Innovation Center This report describes a HITEC evaluation designed...
Evaluation of the Inter-Lok Retaining Wall System
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF/IIEC Innovation Center. This report describes a HITEC evaluation designed...
The Submarine Mission
A new Navy engineering and support facility for submarines has been designed and constructed at Lake Pend Oreille, near Bayview, Idaho. The project includes a bridge approach to the facility,...
Winning Combination
The complex, 4.1-mi (6.6-km) long Richmond-San Rafael Bridge across San Francisco Bay is being upgraded as part of California's $2.5-billion program for seismically retrofitting...
The Chernobyl Problem
When the infamous accident at the Chernobyl Nuclear Power Plant occurred in April 1986�a catastrophe that involved an explosion that blew off the top of one of the plant's...
An Arbor for Art
The new $50-million, 153,000 sq ft (14,200 m�) building for the Modern Art Museum of Fort Worth will provide the museum with more than five times its current gallery space. The design...
Repeat Performance
Working with a budget of $10 million, engineers designing a new high-rise residential structure in New York City had to find creative ways to control costs. One budget-saving idea was...
Saving Saluda
One of the largest roller-compacted-concrete berms in the United States will stand sentinel in case South Carolina's Saluda Dam undergoes liquifaction in response to strong...
Quality Control Test for Prestressing Wires in Concrete Pressure Pipe
Prestressed concrete cylinder pipe (PCCP) was introduced in 1942 as a high pressure capacity conduit for water transmission. The principal element of the design and construction that imparts...
Finding a Better Cover
An ongoing field test at Sandia National Laboratories, in Albuquerque, New Mexico, compares a basic soil and a compacted clay landfill cover currently prescribed by Environmental Protection...
Making the Most of HPC
Developing high-performance concrete (HPC) was only the first step toward bringing a material with improved durability, strength, constructability, and mechanical properties to the bridge...
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