Isolated Examples
The technology of seismic isolation, also known as base isolation, is being used to protect the contents and occupants of a building as well as its structure. Isolators are led-rubber...
Knowledge-Based Construction Project Planning
This paper describes CONSTRUCTION PLANEX as a prototype of a knowledge-based construction process planner. CONSTRUCTION PLANEX is a knowledge-based system that generates project plans...
The Jet Set
The new maintenance hangar now nearing completion at Charlotte/Douglas International Airport has aluminum standing seam roofing. The unusual material was specified because every ounce...
Developing Performance Concrete and Its Acceptance by Code Authorities
Projects incorporating the benefits of Performance Oriented Concrete frequently occur within the established jurisdictions of specific building departments, highway departments, or other...
Tunnel Talk
Much talk in tunnel circles has centered on various methods of tunneling, especially the new Austrian tunneling method, or NATM. To be a true tunneling method it must provide a description...
Building Onto History
In a single design/build/renovation project, an Oklahoma City AE firm acquired new offices, provided new life for an abandoned historic church building and spearheaded redevelopment of...
Bells Under Bells
Chicago's newest office tower is supported on new bells that had to be constructed below existing belled caissons. Existing caisson foundations from a previous structure on...
Specifications for Masonry Structures
Building Code Requirements for Masonry Structures (ACI 530-88/ASCE 5-88) and Specifications for Masonry Structures (ACI 530.1-88/ASCE 6-88) (ACI 530.1-88/ASCE 6-88)
Copublished with the American Concrete Institute (ACI)
Beam-Supported Slabs Subject to Edge Loading
A model is presented which allows a designer to estimate stiffnesses required to provide a given critical buckling load in beam-supported slabs subjected to biaxial edge loading, such...
Downramping to Minimize Stranding of Salmonid Fry
The objective of this study was to develop a downramping regime for the Jackson Hydroelectric Project on the Sultan River in Washington that minimizes the stranding of juvenile salmon...
A Juvenile Fish Bypass Program at Columbia River Basin Projects
Hydroelectric development in the Pacific Northwest region has altered the natural flow of the Columbia River and its major tributary, the Snake River. This has proven to be detrimental...
Isabella Project?Retrofit of Existing Tunnel
This paper explains conceptual methods of reinforcing and lining the section of the existing tunnel downstream of the three control gates to the exit portal and bifurcation for the power...
Bath County Tunnel System/Remedial Treatment Program
The Bath County Pumped Storage Project, owned jointly by Virginia Electric and Power Company and Allegheny Generating Company, is located 70 miles (112 km) north of Roanoke, Virginia....
Comparison of Joint Shear Strengths for Conventional and Roller Compacted Concrete
Direct shear test data for parent material and bonded and unbonded jointed specimens of conventional and RCC (roller compacted concrete) are presented and compared. Results are discussed...
Bond Strength of Roller Compacted Concrete
Roller compacted concrete, or RCC, is a dam construction method which consists of placing horizontal layers of no-slump concrete in 1- to 3-ft (0. 3- to 0. 9-m) lifts and compacting the...
Roller Compacted Concrete Mix Design for Pamo Dam
Pamo Dam is designed as a 265 foot (81M) high gravity dam that will be located on the Santa Isabel Creek in San Diego County, California. RCC volume will be approximately 491,000 cubic...
Evaluation of Cores From Two RCC Gravity Dams
Galesville Dam, Oregon, completed in August 1985, and Upper Stillwater Dam, Utah, completed in August 1987, are two RCC (roller compacted concrete) gravity dams featuring different approaches...
RCC Storage Pads at Tooele Army Depot, Utah
Two 30. 5 m (100 foot) by 91. 4 m (300 foot) ammunition storage pads, each 381 mm (15 inches) thick, were constructed by the Sacramento District of the U. S. Army Corps of Engineers in...
Rennick Yard RCC Pavement Design and Construction
Rennick Yard roller compacted concrete paving project consisting of 136,000 multiplied by (times) yd**2 (113,710 m**2) was completed in June 1986. The design load for this project was...
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