Shared Flashcard Set

Details

CE 132 Excavation
Final Review
9
Civil Engineering
Undergraduate 4
05/18/2016

Additional Civil Engineering Flashcards

 


 

Cards

Term
Ripping and Loading
Definition
Cheaper than blasting and loading
Term
Ripper
Definition
Excavator that tears up the surface rock layer as it is pulled
Term
Rippability
Definition
Determined by the hardness of each individual material
Term
Favorable Characteristics for Ripping
Definition
Weathered rocks
Rock with moisture permeating
Highly stratified rocks
Low shear strength, low seismic velocities
Term
Commercial High Explosives
Definition
Dynamite (Low)
Slurries (Low)
Ammonium Nitrate in Fuel Oil (ANFO) (Industrial)
TNT, PETN, HMX, Semtex (High)
Term
Dynamite
Definition
(Explosive)
Relatively Sensitive/Expensive
Sympathetic Detonation
Term
Slurries
Definition
(Explosive)
Water gels and emulsions
Sausage or in bulk and pumped into holes
Term
ANFO
Definition
(Explosive)
Ammonium Nitrate mixed with diesel fuel
80% of commercial blasting
Relatively cheap
Easy to handle
Term
Safety Rules of Blasting
Definition
Never transport or store detonators and high explosives together
Never use any RF device in the vicinity of a blasting operation
Drill holes should be cold
Make sure that the blasting area is clear before a blast is fired
Wait at least 1 hr before investigating misfire
Supporting users have an ad free experience!