«MUDCAPPING»に関連する英語の本
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Secondary blasting is accomplished principally by blockholing, mudcapping, or
snakeholing. a. Use of Headache Ball. Due to dangers involved with secondary
blasting such as flying rocks, time delay for clearance of area, and inability to ...
They may be broken down with explosives by either blockholing or mudcapping,
methods known as secondary blasting. Blockholing consists in drilling a hole in
the rock and loading it with a small charge of explosives. The depth of the hole for
...
Number of l% x 8 Inch Cartridges of Explosive Required for Mudcapping
Boulders of Diflereni Sizes Sandstone slate and similar soft, Limestone and other
Marble, granite, trap more easily broken rock intermediate rock and hard, tough
rock l% ...
4
Pamphlets on Agricultural Explosives
Number of I*.j i 8 Inch Cartridges of Explosive Required for Mudcapping Boulders
of Different Sizes Sandstone slate and similar soft, Limestone and other Marble,
granite, trap more easily broken rock intermediate rock and hard, tough rock H 2
...
5
The Use of Explosives for Agricultural and Other Purposes
Number of \}4, x 8 Inch Cartridges of Explosive Required for Mudcapping
Boulders of Different Sizes Sandstone slate and similar soft, Limestone and other
Marble, granite, trap more easily broken rock intermediate rock and hard, tough
rock ...
Institute of Makers of Explosives,
1917
6
Safety and Health Requirements Manual: U. S. Army Corps of ...
Lead (leading) wire: an insulated expendable wire used between the electric
power source and the electric blasting cap circuit. Misfire: an explosive charge
that failed to detonate. Mudcapping (bulldozing, adobe blasting, ordobying):
blasting ...
6-8 5 -'1 1 1 Bee figures 800 and 801 for methods of blockholing. snakeholing,
and mudcapping. 'These figures are based on 40 percent straight nitroglycerin
dynamite, 11/4- by 8-inch sticks. See 801 A, Strength. and B, classes 7 ...
Halbert Powers Gillette,
1942
BLOCKHOLING AND MUDCAPPING Secondary blasting is necessary when rock
has broken into boulders too large to handle by the regular means of
transportation. In general, two methods are used for breaking up the rock — one
called ...
United States. Bureau of Mines,
1945
The cap is then placed on the explosive, and the empty wrapper spread over the
explosive and cap to exclude moisture from the moist mudcapping. The tamping
material should never contain rocks. This method requires only a few minutes to ...
one called "blockholing" and the other "mudcapping," "bulldozing," or "dobying."
The most economical method of using high explosives is to confine them in a drill
hole well tamped with a stemming material; this method should be used in ...