Bending of Retrofitted Test Foundation Walls
New repair methodology has been developed for residential construction that can be used to retrofit foundation bearing walls damaged by mine subsidence. The repair strengthens the foundation...

Geologic Aspects of the Mt. Hope Pumped Storage Project, Dover, NJ

Present and Future Use of Coal Ash in Construction and Related Applications
The American Coal Ash Association, Inc. (ACAA) is an organization of producers and marketers of coal combustion by-products. An annual survey of coal-burning electric utilities is conducted...

Properties of Bottom Ash-Based Composite
High-calcium bottom ash, a by-product of the electric power industry, was evaluated for feasibility of use as a fine aggregate in structural grade concrete. Both fresh and hardened properties...

Initial Planning and Implementation of the Telluride Gondola Transit System
Construction on the first phase of a gondola transit system began in the summer of 1992, with the goal of connecting the town of Telluride, Colorado with the Telluride Mountain Village,...

Speedy Backfilling for Old Mines
In November 1992, the U.S. Bureau of Mines, in cooperation with the Office of Surface Mining (OSM), used two recently-developed pneumatic backfilling devices to completely fill an abandoned...

Fly Ash for use in the Stabilization of Industrials Wastes
Fly ash and other coal combustion by-products are used in the stabilization of industrial wastes. This paper describes the various types of fly ashes, the mechanisms of strength development,...

Utilization of Industrial By-Products for Construction Materials
The United States is a major producer of agricultural, industrial, mining, and municipal waste materials in the world. Traditional methods of waste disposal most often have resorted to...

Whose Risk Is It, Anyway?
Near the now-closed Smuggler Mine in Aspen, Colo. toxic lead sits beneath the grass of area residents' yards. A major portion of soil in the area has lead above the EPA action...

Venezuela Turns to Port
Despite Venezuela's recent political troubles, geography and economics argue for a big increase in the country's port capacity. Oil has traditionally been the...

Projects on the Czech List
The Czech Republic's increasing reliance on the European Community as a trading partner has created a need for airports, power plants, an improved telephone system, new highways,...

Roller Compacted Concrete Tailing Retention Dam
A roller compacted concrete (RCC) dam has been designed for gold tailing impoundment in southeast Alaska. To minimize up front capital costs, the curved gravity dam with multiple outlet...

Design of Pena Colorada Tailings Retention Dam
This paper discusses the details involved in the design of a 66 meter high RCC dam to be used to create storage for slurry from an iron ore mining operation located near Manzanillo, Mexico....

Designing Reinforced Rock
The reinforced rock arch design method has been used to stabilize coal mine excavations for 40 years, but so far has been applied to only a few tunnels. The use of rock reinforcement develops...

Integration of Chemical and Cement Grouting Techniques for Controlling Mine Water Inflows through Fractured Ground

Interface Friction of Polypropylene Straps

Ground Improvement of Rubbish Dump Over Reclaimed Tin Mine

Coal-Gas Conundrum
Manufactured gas from coal brought streetlights and clean cooking fuel to the late Victorian era, but a hundred years later their legacy isn't quite so beneficial. Investigators...

Application of Results from the Poços de Caldas Project in the Kristallin-I HLW Performance Assessment

Three-Dimensional Analytical Techniques for Assessing Overburden Toxicity as a Decision-Making Tool for Reclaimability Determinations

 

 

 

 

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