blasting, Other Engineering

Assignment Help:
Students are to undertake a tunnel blast design for the following conditions:
• Tunnel is 5.5m wide by 5.5.m high
• Rock is a granite with a UCS of 300 MPa
• Drill hole diameter is 51 mm, hole length is 4m
• The cut is to contain 2 relief holes of 75mm diameter
• Dry conditions are anticipated, ANFO to be used with a density of 800 kg/m3 and a powder factor of 0.6 kg/m3
• Nonel detonators are to be used

Related Discussions:- blasting

What are debentures?, What are debentures?  A Debenture is " A document ...

What are debentures?  A Debenture is " A document of contract of loans which is given under the organization's press and provides a venture that the debenture owner will get a s

Unidirectional fabric, Unidirectional Fabric A unidirectional (UD) ply ...

Unidirectional Fabric A unidirectional (UD) ply is one in which all of the fibres run in one direction only. A small amount of fibre or other material may run in other directio

Engine vibration indication, Engine Vibration Indication The engine vib...

Engine Vibration Indication The engine vibration monitoring (EVM) system shows the out of balance force for the N1 and N2 shaft. High engine vibration shows engine damage or

Fuel control in aircraft engine, Fuel control in Aircraft Engine: ...

Fuel control in Aircraft Engine: The basic fuel system is comprised of a fuel pump that receives low-pressure fuel from the aircraft fuel tank via a low pressure fuel valv

Lean enterprise, a department manufactures a produt using a kanban system. ...

a department manufactures a produt using a kanban system. data is demand/hr= 30, container size= 5, unit processing time= 1.25 min. find the minimum number of kanban assuming reple

Engineering seminar, Hey ,How are you? I need help in another class , its 1...

Hey ,How are you? I need help in another class , its 1 credit class ( Engineering seminar ), how to choose s.d in this class , , ,so we want describing our project which is ( radi

Neutral points of a bar magnet , Fix a drawing paper on a drawing board wit...

Fix a drawing paper on a drawing board with help of drawing pins. Place a magnetic needle on the drawing paper to identify geographical north and south poles. Mark north, sou

Heat and mass transfer, Water enters a smooth thin-walled tube of 1 inch di...

Water enters a smooth thin-walled tube of 1 inch diameter at 50F and leaves at 150F. Heat is supplied to the water by condensing steam on the surface of the tube at a constant temp

Linear programing, Description of the Diet Problem The goal of the diet pro...

Description of the Diet Problem The goal of the diet problem is to find an ”optimal” combination of foods that will satisfy all the daily nutritional requirements of an individual.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd