Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Application of Conical Shaped Charges for Dimensional Stones Blasting
By Sung Su, Jui-Lin Chang
A new technique of dimensional stones blasting for achieving directional rock cutting by conical shaped charges is proposed in this study. This technique has many advantages like precisely controlling
Jan 1, 2006
-
Controlled Blasting at the Hanging Lake Tunnels
By Gordon F. Revey
Hanging Lake Joint Venture recently excavated two conventional 42 foot diameter highway tunnels in the difficult ground conditions of Glenwood Canyon, Colorado. This paper outlines the type and succes
Jan 1, 1991
-
The Comminution Theory Applied to Rock Blasting
By Carlos Agreda
A general review of the comminution theory and also the general differential equation of the comminution are described, analyzed and discussed in order to be applied to rock blasting. Some size distri
Jan 1, 1994
-
The Effect of Powder Factor on Fragmentation
This paper examines the hypothesis that the fragment size distribution of blasted rock contains information about the changes in fragment sizes with distance from the borehole, and that this informati
Jan 1, 1997
-
Prediction of Dynamic Response of Ground due to Blast Loading
By Chang-Ha Ryu, Hyung Yang, Hyung-Sik Yang
Ground vibration by rock blasting causes many environmental problems to adjacent structures and human bodies. Growing concerns have been given to the effects of dynamic loading induced by blasting wor
Jan 1, 2001
-
Outdoor Magazine Construction & Security
By Walter Jr Duke
The security of explosive materials is a vital concern to every mine, quarry and contractor engaged in blasting. Proper construction of magazines and sufficient locking mechanisms are the fundamental
Jan 1, 1991
-
Fragmentation Measurement for Experimental Blasting in Virginia
By John A. Franklin, Norbert B. Maerz, D Linn Coursen
Accurate measurement of blast fragmentation is important in mining and quarrying operations, to monitor blasting and optimize blast design. A new digital photoanalytical method to measure the block si
Jan 1, 1987
-
Crisis Communications!!! International Society of Explosives Engineers January 31, 2007 Nashville, TN
Introduce self – thanks for having me.Indiana program – spent first 15 years of program telling folks how smart we are and to trust us. “We are from the government and we are here to help you.” How we
Jan 1, 2007
-
Laboratory Study of Cracking in Model Block Masonry Walls
By Jeffrey N. Deisher, H Y. Fang, Richard P. Scheller, Robert M. Koerner
The need to adequately quantify cracking in structures in the vicinity of blasting activity becomes more important each year. This urgency comes about through a growing number of complaints and lawsui
Jan 1, 1977
-
Measurement of Blast Induced Damage in Wall Rock for a Selection of Underground Perimiter Blasting Techniques
By Paul N. Worsey
Disturbed zones of rock have been measured for blasted highway rock cuttings by Matheson and Swindells of the Transport and Road Research Laboratory (TRRL) of Great Britain. These zones have been show
Jan 1, 1985
-
Cross Borehole Stress Wave Measurements in Underground Coal
By Michael S. Wieland
The stress waves generated during delay blasting in underground or surface mines not only fracture the surrounding coal, rock, or other strata, but also impact delayed charges remaining in neighboring
Jan 1, 1988
-
Overbreak Control in the White Pine Underground Mine
By Virgil J. Stachura, Larry R. Fletcher, Matthew N. Plis
Falls of ground remain a leading cause of fatalities and injuries in underground mines. In response to this situation, the Bureau of Mines conducted a series of experiments in the White Pine room-and-
Jan 1, 1989
-
Constructing a Decline Truck Entrance Tunnel Into Rock Reserves Located Beneath a College Campus
By David R. Holberg
In the Kansas City metropolitan area, mineable Bethany Falls Limestone occurs 80 ft below river level under the 700 acre Park College Campus on the north bank of the Missouri River at Parkville. For 2
Jan 1, 1997
-
Status of Testing Program to Benefit Explosives Safety Standards Development in The United States Department of Defense
By Michael Swisdak, John Tatom, James Tancreto
In 2002, testing was proposed to generate needed data to assist in developing improved explosives safety standards within the US Department of Defense. This testing emphasizes two major areas: (1) ful
Jan 1, 2006
-
Determination of the Initiating Strength of Commercial Detonators Using an Explosive of Adjustable Sensitivity
By J Edmund Hay
Previous work by the Bureau of Mines to develop a test for determining the initiating strength of commercial detonators has been modified and extended. Recently reported results by the Bureau used a
Jan 1, 1993
-
Practical Aspects of Cast Blasting at Bulga Coal Australia
By Tapan Goswami, Geoff Keith
"At Bulga Coal, the objectives of drilling and blasting are to maximise safety and to minimise the totalcost of mining. A recent audit of two overburden blasts established that the standard of drillin
Jan 1, 1999
-
The Application of High Speed Video System for Blasting Research
By Quian Liu
Since the establishment of the CANMET Experimental Mine in Val d'Or, Quebec in 1991, research activities in rock fragmentation have been carried out not only in the underground laboratory but also in
Jan 1, 1994
-
Blasting with a Light Touch; Florida State Project 12014-3501 Fort Myers, Florida
By Doug Wathen, Philip M. E Thomas
The City of Fort Myers needed to replace a 40-year old 42-inch storm sewer line in downtown Fort Myers with a new 54-inch line to accommodate population growth. The old line had to be kept operational
Jan 1, 1996
-
Explosives Storage
By William F. Skully
An effective explosives storage program involves selection of a storage site, checking zoning and special permit requirements, acquisition of the storage site land, determining correct layout for requ
Jan 1, 1976
-
Developments in Blast Fragmentation Measurement
By N H. Maerz
The digital image analysis program WipFrag has been developed under contract to INCO for use in quality control of underground blasting operations. This paper outlines the relevance of fragmentation t
Jan 1, 1995