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...
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...
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...
Ancient Concept, Modern Context
For several centuries, Bibliotheca Alexandrina was the cultural center of the Western world. It was built by the heirs of Alexander the Great some 2,400 years ago and burned, some say...
Modeling of Inelastic Behavior of RC Structures under Seismic Loads
Proceedings of the U.S.?Japan Seminar on Post-Peak Behavior of Reinforced Concrete Structures Subjected to Seismic Loads: Recent Advances and Challenges on Analysis and Design, held in...
Stronger Longer
Like many older concrete bridges, the Sierrita de la Cruz Creek Bridge, a 1957 crossing near Amarillo, Texas, suffered from concrete deterioration. When the Texas Department of Transportation...
The Many Faces of RCC
The Chinese government, under an aggressive move to boost its hydroelectric power output, is building an extensive system of dams nationwide. Chinese engineers have developed innovative...
Magnetic Perturbation Imaging for Prestressed Concrete Evaluation
Many prestressed concrete bridge structures in the United States and other parts of the world are over thirty years old and have shown various signs of distress. Corrosion or fracture...
Effect of Column-to-Beam Strength Ratio on Seismic Performance of RC Moment Frames
Reinforced concrete (RC) moment frames are often used in building applications. During strong earthquake excitations, such buildings have been subject to soft-story or column sidesway...
Rehabilitation of the Packers Falls Bridge
The Packers Falls Bridge was constructed in 1912 and consists of a 42' (12.8m) single span, reinforced concrete arch structure. This bridge was constructed using a unique forming system...
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