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Electrical Equipment for Pumped Storage Plants
Selection of generator/motors and other electrical equipment for pumped storage plants requires consideration significantly different than for conventional hydro plants. This is particularly...

Influence of Surface Finish on Thrust Bearing Life
The original pivoted pad thrust bearing installed and fitted at the Holtwood Power Station in 1912 by A. Kingsbury has been operating continuously since that time without any difficulty....

Simply Complex
In California, after years of uncertainties and overcoming a complex myriad of hurdles, a major 205. 5 MW hydroelectric development project, financed by Northern California Power Agency,...

Subsurface Savings
Less conservatism than usual in designing building foundations is being accepted or demanded by some owners to save money. The article describes four examples of cost-cutting innovations,...

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...

Parallel Algorithms for Structural Optimization Under Dynamic Loading
Parallel algorithms and strategies are outlined for optimal design of frame structures subjected to dynamic earthquake loading. Parallelism is extracted in six areas: substructuring of...

Geosynthetics for Soil Improvement: A General Report and Keynote Address
The paper summarizes major developments in the field of geosynthetics since the previous symposium in 1980. The paper addresses the engineering functions of major types of geosynthetics,...

Shallow Foundation on Sand Underlain by Soft Clay with Geotextile Interface
One technique for improving the load-bearing capacity of shallow foundations on soft clay soil is to construct them over a compact granular fill laid over the clay layer. However, the...

Impact of International Competition on Construction Technology?A Perspective
The strong showing by non-U. S. contractors in the development of new construction technologies has had a significant impact on the redistribution of construction dollars in world markets....

The Swedish Approach to Construction Technology Development
Swedish building and construction work expanded very fast both technically and industrially during the two decades following 1950, domestically first, later also abroad. The 1980s has...

Winning With Advanced Construction Technology
At least three driving forces in U. S. construction markets indicate the increasing importance of advanced technology: the technical complexity of constructed facilities is increasing;...

Equipment Automation and Its Impact on Construction Technology
The Naval Construction Force is facing a shortage with their horizontal construction capability and their equipment is not designed to function in a modern war environment. One solution...

Competitiveness in Construction
This paper addresses the competitiveness of the U. S. construction industry. The goal is to define a possible scope for the subject, outline some key issues and dimensions, and examine...

Probabilistic Prediction of Pile Group Capacity
A reliability analysis of a group of free standing piles in clay is carried out using Monte Carlo simulation. The pile material strength, soil capacity, and the load on the pile group...

Modeling Fatigue Crack Growth Resistance, dN/da
In the fracture mechanics approach to fatigue, da/dN is correlated with the cyclic range of the stress intensity factor, ?K; the resulting relation, da/dN=f (?K), is commonly called the...

Load Combinations for Codified Design
Loading requirements used in current standards for structural design are not consistent in their conceptual basis, appearance or use. Unified limit states design procedures for structures...

Load-Sharing and Reliability of Wood Systems
A methodology for the study of reliability of light-frame wood structural systems is presented. Reliability levels associated with the bending strength limit state of such systems are...

Development of Bridge Design Code
Load and resistance parameters for bridges involve uncertainties due to natural randomness, imperfect models or human errors. Because of these uncertainties, absolute reliability is not...

Probabilistic Load Combinations in Nuclear Structures
A variety of loads affect a nuclear power facility during its lifetime. The magnitudes or intensities of these loads are uncertain, and for some of them, their time of occurrence is also...

A Reassessment of Codified Limit States Design
This paper examines the nature of design codes and their relation to engineering practice. It suggests that codes impose unjustifiable and, in the long term, destructive constraints on...

 

 

 

 

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