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Augered Cast-In-Place (ACIP) And Drilled Displacement (DD) Pile Quality Control ? IntroductionBy Rudolph P. Frizzi
Quality control is essential for augered cast-in-place (ACIP) piles (also known as continuous flight auger (CFA) piles outside the United States) and drilled displacement (DD) piles since the pile is
Jan 1, 2004
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OFR-151-77 The Physical And Chemical Characteristics Of Available Materials For Filling Subsurface Coal MinesBy James R. Dunn
Samples were taken of industrial mineral waste materials which are potentially capable of being used for filling underground coal mines for subsidence control in the Pittsburgh and the Scranton-Wilkes
Jan 1, 1977
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Copper mineralization in the Patawarta Diapir, northern Flinders Ranges, South AustraliaBy Both R. A, Daily B
The Patawarta Diapir, located in the northern Flinders Ranges (South Australia), has intruded into late Proterozoic Wilpena Group sedimentary rocks. The diapir contains disrupted blocks of a wide vari
Jan 1, 1986
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Reaction Mechanisms Of Charcoal And Coke In The Silicon ProcessBy H. Tveit, E. H. Myrhaug, J. K. Tuset
Silicon metal as a commodity material is produced by carbothermic reduction of quartz in electric submerged arc furnaces, where CO2 forms as a by-product. Since 1997 the Norwegian Ferroalloy Producers
Jan 1, 2004
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Technical Papers and Notes - Institute of Metals Division - In Sb-Sn SystemBy R. N. Zitter
PRESENT work was done in connection with a program for obtaining a low energy gap semiconductor suitable for photodetection. The inter-metallic compound InSb, which is now being in-
Jan 1, 1959
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Exploratory Fea & Conceptual Design Findings Of Large Diameter Segmentally Lined ShaftBy D. Kruse
Top down constructed large diameter (up to 90 m [300 ft]) shaft design and constructability issues present an interesting suite of challenges and opportunities highlighted in this paper. The study cov
Jan 1, 2011
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Submicroscopic Gold in a Pyrite ConcentrateA pyrite flotation concentrate assaying 0·065 oz/ton gold was investigated to determine the mode of occurrence of the gold. Ftom cyanidation and acid leaching experiments it was concluded that O&
Jan 1, 1969
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Geology and Extraction of the Northland Halloysite DepositsNew Zealand China Clays produces a unique halloysite clay product at Matauri Bay, Northland. The company has licences over four deposits that were derived from the weathering of rhyodacite dome
Jan 1, 1997
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Design And Construction Of An Earth Retaining Structure - Using A Pile In Self-Hardening Grout (PSHG) WallBy Allan Sylvester
Construction of the Shot Tower Metro Station in Baltimore, Maryland was performed in two phases. In the first phase, a contractor was retained to excavate the station in order to construct twin tunnel
Jan 1, 1997
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A Numerical and Experimental Study of Static and Dynamic Behavior in Cemented Elastic DisksBy V. Petr, G. G. W. Mustoe, T. G. Rozgonyi
We introduced a numerical method that is applicable for the analysis of static and dynamic deformations of elastic media. In this numerical study, each elastic body is modeled with a system of several
Jan 1, 2000
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Hot Working Behavior of 17-4 PH Stainless SteelBy Hamed Mirzadeh
The hot working behavior of 17-4 PH stainless steel was studied using the hot compression test at temperatures of 950-1150 °C with strain rates of 0.001-10 s-1. A step by step procedure for data analy
Jan 1, 2010
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Geology, Geological Engineering - Fiberglass Plastic Casing Overcomes Corrosion Problem in Water Wells in West PakistanBy Don K. Smith
The Reclamation Program for the Northern Zone of the Indus Plains in West Pakistan involves the construction of 30,000 irrigation wells to serve 20 million acres with an annual pumpage of nearly 40 mi
Jan 1, 1970
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Elm Road Generating Station Water Intake TunnelBy Brendan Reilly, Jon Isaacson, Paul McDermott
Kenny/Shea JV is constructing the water intake tunnel for the new Elm Road Generating Station, a supercritical coal-fired power plant in Oak Creek, Wisconsin, being built by Bechtel Power Corporation.
Jan 1, 2007
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Two roles of magnesium in sulphide mineral flotationBy M. Mirnezami, D. Lascelles, J. A. Finch, E. El-Ammouri
"In a previous publication, the depressant action of Mg above pH 10 on Cu-activated sphalerite was described (Lascelles et al., 2001). In the present communication, a second role, aggregation is intro
Jan 1, 2002
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Handling and Transportation of Industrial Minerals with Special Focus on Shipping and Distribution in North AmericaI would like to thank The Australasian Institute of Mining and Metallurgy for inviting us to share with you some of our experiences in the handling, storage, and transportation of industrial minera
Jan 1, 1989
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New approaches detailed for gold exploration in the Canadian shieldBy H. R. Butler, J. F. Church, A. T. MacGibbon
Introduction Inco is the major North American nickel producer. Initially based in Sudbury, Ontario, its past exploration activity was directed toward finding new nickel deposits. New nickel sulfide d
Jan 2, 1987
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An Inexpensive Dual-Chamber Particle Monitor: Laboratory CharacterizationBy Susanne Hering, Brent Kirby, Charles D. Litton, Tracy Allen, Kirk R. Smith, Rufus Edwards
In developing countries, high levels of particle pollution from the use of coal and biomass fuels for household cooking and heating are a major cause of ill health and premature mortality. The cost an
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An Automated Approach to Blast Optimization Through Performance Monitoring of Blast Hole Drills and Mining ShovelsBy M Scoble
This paper will report on the application of data collected through the performance monitoring of large diameter surface rotary blasthole drii and electric mining shovels, in an integrated approach to
Jan 1, 1992
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Characterization of Vitrified Tile Bodies with Kaolinitic Clay and Nepheline-SyeniteBy C. M. F. Vieira
This work has as its objective to characterize ceramic bodies for vitrified tiles elaborated with the mixture of nepheline-syenite flux and kaolinitic clay. Formulations were prepared with 0, 30 and 5
Jan 1, 2010
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On The Development Of Bainitic Alloys For Railway Wheel Applications - SynopsisBy A. Kapito
The ferrite-pearlite microstructure is the most popular microstructure for alloys used in structural applications, including railway wagon wheels. These alloys have been designed through alloying and
Jan 1, 2012