Earth Walls: Making the Right Choice
Earth walls are retaining walls where the ground assumes a load-bearing role. These walls either support compacted earth (embankment-type reinforced compacted earth walls such as Doublewal...
New Support for Pin-Hanger Bridges
To promote safety of their bridges, many state highway departments are considering ways to add auxiliary support to existing pin-hanger bridges. The Pennsylvania DOT and its open-end consultant...
Design of Large Capacity Coal Silos for Service Life
Design and construction of Large Capacity Coal Silos for service life requires a careful consideration of the silo configuration as well as the material handling system. This paper presents...
Structural Renovation of Tall Chimneys
This paper describes several tall chimney projects where major renovations were performed to the linings which required complete structural analysis of the existing chimney and foundation....
Modeling in Support of Hanford Site Waste Management
The waste management practices for both radioactive and hazardous wastes at the Hanford Site are designed to comply with all applicable state and federal regulations. Results from numerical...
Procedure for Seismic Evaluation and Design of Small Bore Piping
Simplified methods for the seismic design for small bore piping in nuclear power plants have been used for many years. Various pipe designers have developed unique methods to treat the...
Anchoring?A New Generation
During the time period of NRC Bulletin 79-02, and certainly afterwards, the use and application of wedge type anchors in Nuclear Power Plants took on a new perspective. The data gathered...
Optimization Models for Acid Rain Control
A series of related optimization formulations are presented for developing and analyzing acid rain control strategies. These models span a wide array of approaches and reflect a similarly...
Introduction to Structural and Mechanical Failure Modes for Nuclear Power Facilities
The three papers presented in this section discuss the types of information (i.e., dynamic tests, earthquake experience and analytical data) which are used in predicting the capacity of...
Containment Capacity and Failure Modes Beyond Design Basis Conditions
Analytical and experimental studies have shown that containments can at least sustain two to three times design pressures. Under the severe accident overpressure loading, experimental...
The Changing Legal Structure of Non-Utility Generation in the 1990's
Before actual construction of a small power production or cogeneration facility commences, numerous economic, technical and legal factors have been considered during the planning process....
Facing the 21st Century with an Aging Hydro System
The Tennesse Valley Authority (TVA) has implemented a comprehensive study of their hydroelectric plants in order to extend their service life for the next 50 years into the 21st century....
Dam, Spillway and Hydropower Rehabilitation
Many older dams are in need of rehabilitation as a result of aging, deterioration, and more stringent safety standards. Current deficiencies include deterioration of original construction...
Hydro Rehabilitation?Innovative Solutions
Most hydro facilities have been in operation for many years and, consequently, must periodically have been rehabilitated. The high cost of energy, labor, materials, and financing dictate...
Brule Project Spillway Rehabilitation and Expansion
Brule Hydroelectric Project is located near Florence, Wisconsin, on the Brule River about 1.5 miles upstream of its confluence with the Michigamme River. The 80 year old dam developes...
Automation of Union Electric's Hydro-Power Plants
Union Electric Company is spending twelve million dollars on Electronic Control and Monitoring equipment at two of their hydro-electric plants (a total of twenty-seven generating units)...
Superplasticized High-Volume Fly Ash Structural Concrete
This research was carried out to develop structural grade concrete containing high-volumes of ASTM Class C fly ash. A Portland cement concrete, proportioned to have 28-day compressive...
Low-Rise Shear Wall Failure Modes
A summary of the data that are available concerning the structural response of low-rise shear walls is presented. These data will be used to address two failure modes associated with shear...
Failure Modes of Flat Bottom Vertical Storage Tanks
Flat bottom vertical storage tanks are important components in essential nuclear power plant safety systems. Data on the seismic capacity and failure modes of such tanks have been identified,...
Advanced Composites Materials in Civil Engineering Structures
This proceedings of the Specialty Conference on Advanced Composites Materials in Civil Engineering held in Las Vegas on January 31?February 1, 1991 contains 40 papers from ten technical...
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