Reinforced Concrete Column Reliability
A method is proposed whereby the reliability is obtained using the stable configuration approach of structural system reliability. The configurations are defined based on imposed strains...

Projectile Penetration Into Reinforced Concrete and Steel Targets
This paper presents brief preliminary results of a research program sponsored by the Air Force Weapons Laboratory (AFWL) to investigate the interaction of 30-mm cannon projectiles with...

Materials and Member Behavior
Each of the papers in this book covers some aspect of material properties. New developments in cold formed steel are reviewed. The strength, stiffness, and ductility of steel connections...

Bridges and Transmission Line Structures
This volume on Bridges and Transmission Line Structures contains papers from ten sessions and one plenary session of the 1987 ASCE Structures Congress. Eight sessions cover bridges. A...

Rehab Roundup
Four recent rehabilitation projects are described. On an old concrete gravity dam, post-tensioning tendons were added to improve its resistance to sliding. The abandoned Union Station...

Save the Walls
A rehabilitation job in name only, the 75 year old Army and Navy Club, a landmark located in Washington D.C.'s Golden Triangle, retained only two of its 80 ft high exterior...

Paving with RCC
Roller compacted concrete pavement differs from the RCC used for dams. Since 1984, when the first full scale RCC pavement in the U.S. was installed by the Corps of Engineers at Ft. Hood,...

Concrete Strength Record Jumps 36%
A Seattle building now going up has 19,000 psi concrete, the strongest ever in conventional structures. It costs three times as much as conventional concrete, so will not be widely used....

Exhibits Under Fiberglass
The San Diego Convention Center, scheduled for completion in 1988, is located on 11 acres of downtown land only 150 ft from the bay. It will cost $130 million for total of 1.7 million...

Instant Jails
Prison planners are responding to the explosion in the prison population by stepping up construction of new jails. Because of the pressures imposed by court ordered deadlines, engineers,...

Pipe-lining a Pipeline
This core prestressed concrete cylinder pipe is now lining the inside of a major water supply tunnel in Alaska. Occasionally found in rock tunnels, or buried pipelines, large diameter,...

Milwaukee's Deep Tunnels�No Clone
Tunnel boring machines are excavating nearly 19 miles of tunnels 17-32 ft in diameter as part of Milwaukee's $1.9 billion upgrade of its sanitary sewage system. Laid out to...

Mini Hydro at the Hackett Mills Project
The project includes rehabilitation of a timber crib dam and the first use of a Right Angle Drive turbine in the United States to generate power from the 16 feet of head available at the...

Construction of Yellowtail Dam & Power Plant 63-65
The Yellowtail Unit of the Missouri River Basin project is located on the Bighorn River in south central Montana. The key feature of the unit is Yellowtail Dam which rises 525 ft. between...

Roller Compacted Concrete and Tunnel Boring Machines?Two Tools for Designers and Planners
Two tools that have come into use fairly recently are roller compacted concrete and tunnel boring machines. These new tools can significantly affect the ability to make new projects cost...

The Sand Bar Hydroelectric Project: A Case History
The Sand Bar project's major features include a reinforced concrete intake structure; 3. 5 miles of twelve foot diameter hard rock tunnel; a reinforced concrete powerhouse...

Power Development at Buffalo Bill Dam
Buffalo Bill Dam is on the Shoshone River in northwestern Wyoming near the city of Cody. The dam is a 325-foot-high concrete arch facility with a crest length of 200 feet. The dam was...

Hoover Dam Planning, Financing and Repayment
After the original conception of the 'Boulder Canyon Project,' and in the first stage of the work, complete designs and specifications were prepared for the dam,...

Hoover Dam Plus Fifty Years Equals El Cajon Dam
The completion of El Cajon arch dam on the fiftieth anniversary of the completion of Hoover Dam has given the opportunity to compare design and construction of two concrete arch dams constructed...

Changing Stability Criteria: Effect on Older Dams
Many of the dams on the Georgia Power Company system were designed and constructed in the early 1900's. Changes that have occurred in stability criteria since construction...

 

 

 

 

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