Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Civil Engineering Expert

problem 1: Monitoring of blasts is undertaken for a variety of reasons, discuss why this is the case. Describe briefly the methods of blast monitoring available and their range of application.

problem 2: Define the following:

• Paddock blasting
• Cushion blasting
• Decoupling
• Lifters
• Easers
• Primer
• Throw blasting

problem 3: Describe the methods of controlled blasting that are available and their range of applicability.

problem 4: Summarise the technique of designing tunnel blasts outlined in the notes. Particular attention should be focussed on the equations employed and the methodology employed in the quadrant technique.

problem 5: Describe with the aid of diagrams typical blasting rounds for shaft and raise development.

problem 6: Blasting and mechanical excavation of rocks are the most common methods employed in mining to break rock. What other methods are available?

problem 7: Safety is a prime concern in the use, storage and handling of explosives. Briefly describe how safety has been improved since the first use of explosives in mines and outline the steps you would take to ensure the safe use, storage and handling of explosives at a mine site.

problem 8: Using explosives in sulphide ores and in hot reactive rock poses certain difficulties, what are these and what steps can be taken to minimise their impact?

problem 9: When loading explosives by pouring or by pneumatic loading an earthing cable is employed, why is this?

problem 10: Describe an electronic system of blast initiation. What are the safety advantages of this system?

Civil Engineering, Engineering

  • Category:- Civil Engineering
  • Reference No.:- M98026

Have any Question? 


Related Questions in Civil Engineering

An n-bit updown counter is a sequential circuit with a

An N-bit up/down counter is a sequential circuit with a clock input and an up/down control input. Wen control is 1, the circuit counts up, modulo 2N, on each rising edge of the clock. In other words, the present-state ou ...

The arm abcd of the industrial robot lies in a vertical

The arm ABCD of the industrial robot lies in a vertical plane that is inclined at 40? to the yz-plane. The arm CD makes an angle of 30? with the vertical. A socket wrench attached at point D applies a 52-lb · ft couple a ...

1 regarding the overturning of a shearwall describe the

1. Regarding the overturning of a shearwall, describe the possible vertical soil bearing pressure diagrams. Give the formulas that are used to obtain the maximum soil pressure for the two distributions. 2. Refer to Fig. ...

1 water flows in a 5-in-diameter pipe at 20c with a mean

1. Water flows in a 5-in-diameter pipe at 20?C with a mean flow velocity of 3 m/s. A sharp-edged orifice with a diameter of 2.5 in is to be used to measure the flow rate. What pressure differential would be indicated for ...

1 what is the difference between the construction of

1. What is the difference between the construction of interior and exterior plywood? 2. Briefly describe the span rating found in the grade-trademark of the following panels: a. Sheathing grades b. APA Rated Sturd-I-Floo ...

The input to a single-input neuron is 20 its weight is 23

The input to a single-input neuron is 2.0, its weight is 2.3 and its bias is -3. i. What is the net input to the transfer function? ii. What is the neuron output?

The four forces shown act on the rollers of an in-line

The four forces shown act on the rollers of an in-line skate. Determine the equivalent force-couple system, with the force acting at O (the ankle joint of the skater).

Consider again the four-class decision problem that we

Consider again the four-class decision problem that we introduced in Problem P4.3. Train a perceptron network to solve this problem using the perceptron learning rule. Problem P4.3 We have a classification problem with f ...

A couple of magnitude 360 lb middot ft is applied about

A couple of magnitude 360 lb · ft is applied about portion AB of the drive shaft (the drive shaft is connected by universal joints at points B and C). Compute the moment of the applied couple about the portion CD when th ...

Objectivethe fundamental objectives of this assignment is

OBJECTIVE: The fundamental objectives of this assignment is to demonstrate the student ability to 1. Use the knowledge of different analysis methods learned in lectures to solve the task given in this assessment 2. Use S ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen