Elevated Water Tank Inelastic Seismic Analysis
In 1988, the Seattle Water Department hired CYGNA, a consulting firm, to assess the seismic reliability of their water system, since major earthquakes can occur in the area. Their study...

Pressure-Treated Wood Effect on Marina Environment
Pressure treated Southern Pine and Douglas Fir are the most commonly used materials for marina construction in the United States. The preservatives currently used, creosote, chromated...

Baia dei Gabbiani (Seagull Bay) Marina in Marano Lagoon, North Adriatic Sea
In Northern Adriatic Sea between Venice and Triest, a new Marina, designed by the Author, has been built. In it 281 boats, with L.O.A. varying from 10 m to 25 m, are moored in the harbor...

A Case Study of Propeller-Induced Currents and Sediment Transport in a Small Harbor
The operation of vessels in marinas and small harbors can provide important driving forces affecting ambient circulation patterns and current speeds near the bottom. The case study on...

Fly Ash for Hire
Each year, roughly 15 million tons of ash created by U.S. coal-fired powerplants is recycled. Most is used in concrete and other construction materials, such as structural fill, but utilities,...

Geotechnology: An Environment of Change
Today's contaminated materials�soil and water�have been investigated and analyzed by geotechnical engineers for a long time. No other branch of engineering is better positioned,...

Serviceability of San Francisco Auxiliary Water Supply System
A method is developed for estimating the seismic serviceability of water supply systems. The method can account for uncertainties in earthquake, mechanical properties of soil and pipelines,...

Serviceability of Water Transmission Systems
This present paper deals with the vulnerability and reliability of a functionally as well as physically hierarchical lifeline system. Most major lifeline systems have this feature. For...

Graphical Demonstration of Serviceability Analysis
A graphical interactive computer program (GISALLE) has been developed using state of the art computer graphics to estimate the seismic performance of water supply systems. GISALLE is developed...

A Practical Model for Forecasting Water Supply Functions at Time of the Earthquake
This study aims to construct a practical forecasting model for the seismic damage restoration of city water supply functions by using experts empirical knowledge as well as the functional...

Reliability of Electric Power Transmission Systems in Seismically Active Metropolitan Tokyo: Part 1. Network Modeling
A method is proposed for modeling electric power transmission systems. The model can be used to evaluate the reliability of the network connectivity in a seismically active region. It...

Column Separation in Pumped Pipelines
Pressure transients are common occurrences in water supply systems. Pipeline standards and design/testing techniques will normally provide sufficient protection for transmission and distribution...

Comprehensive Leak Detection Survey and Benefit/Cost Analysis
Fort Carson, Colorado was the site of a comprehensive leak detection investigation of the potable water system with the express purpose of quantifying the benefits to be derived by a military...

Next Stop: The Los Angeles Metro Rail
The Los Angeles Metro Rail is a $6.5 billion light and heavy rail system, which may be entirely completed by the year 2000. A 22 mi segment of the 150 mi light rail system, connecting...

Cheyenne Stage II Water Delivery Pipeline and Shoshone Municipal Water Supply Pipeline
This paper deals with the design and construction aspects of two pipeline projects in Wyoming. Located in southeastern Wyoming, the Cheyenne Stage II Water Delivery Pipeline consists of...

Optimal Design of Water Transmission Mains
Capital cost for constructing a water transmission main includes cost of the pipeline and its associated installation costs. Also included in the capital cost is the cost of a pump station....

Twin Pipeline Crossing of the Fraser River
A new creek water supply was developed for the communities of Mission and Matsqui, British Columbia, Canada, in the early eighties. Over 60 kilometres of 450 mm to 900 mm diameter ductile...

Evaluation and Selection Methodology for Determination of a Preferred Pipeline Alignment
The San Diego County Water Authority (SDCWA) had need to construct a regional 108 to 72 inch (2.7 to 1.8 meter) diameter pipeline through San Diego County to increase water supply to its...

Field Experiment on Behavior of Continuous Water Main with a Miter Bend
A field experiment was conducted to investigate behaviors of a buried continuous steel water main with a 90-degree miter bend subjected to internal pressure and ground settlement. Deformations...

Keeping Lifelines Alive
There were no city water supplies to fight the fires in San Francisco after last year's earthquake. The fires were brought under control because of an historic auxiliary water...

 

 

 

 

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