Rock Fragmentation by Blasting | Fragblast 10 | Pradeep K. Singh, Amal

Book

Rock Fragmentation by Blasting

ABSTRACT

Rock Fragmentation by Blasting contains the papers presented at the 10th International Symposium on Rock Fragmentation by Blasting (New Delhi, India, 26-29 November 2012), and represents the most advanced forum on blasting science and technology. The contributions cover all major recent advancements in blasting and fragmentation, from realistic tre

TABLE OF CONTENTS

part |2 pages

Section 1 - Keynotes

chapter |12 pages

Lessons from single-hole blasting in mortar, concrete and rocks

chapter |8 pages

Frontiers and challenges in numerical simulation of the blasting process using the combined finite discrete element method

chapter |18 pages

Innovations in blast measurement: Reinventing the past

chapter |12 pages

Status of characterization of strength and fracture properties of rocks under dynamic loading

part |2 pages

Section 2 - Rock Mass Characterisation and Fragmentation

chapter |10 pages

Crack formation in rocks due to action of cemented carbide bits

chapter |12 pages

On the branching-merging mechanism during dynamic crack growth as a major source of fines in rock blasting

chapter |8 pages

Applied method integrating rock mass in blast design

chapter |10 pages

Limits blast design: Controlling vibration, gas pressure & fragmentation

chapter |10 pages

Blast optimisation through computer modelling of fragmentation, heave and damage

chapter |6 pages

Use radar reflectivity as possibility for measurements of fragmentation during the blasting

chapter |6 pages

Influence of initiation point position on fragmentation by blasting in iron ore

chapter |12 pages

Fragmentation in production rounds and mill through-put in the Aitik copper mine, a summary of development projects 2002–2009

chapter |8 pages

Drilling and blasting technics by underground magnesite mining at Slovakia

chapter |8 pages

A new tool for homogenization of jointed rock masses using wave propagation analysis

chapter |6 pages

SPH procedures for failure analysis of circular rock disk under distributed arc loading

part |2 pages

Section 3 - Blast Design

chapter |10 pages

Quantification of the effect of inaccurate drilling on the risk of poor fragmentation and increased blast hazard

chapter |8 pages

Ultra-high intensity blasting for improved ore comminution

chapter |10 pages

Development of engineering blasting techniques in China

chapter |6 pages

Investigation of blast design parameters to optimize fragmentation

chapter |6 pages

Causes of toe formation at dragline bench and its remedial measures

chapter |10 pages

Rockbursts provoked by destress blasting in hard coal longwall mining

chapter |4 pages

Burden and spacing influence in ground vibration attenuation at coal overburden blast

chapter |6 pages

The effects of delay time sequence and charge per delay on ground vibration: A case study

chapter |8 pages

Numerical simulation for the influence of delay time on the rock fragmentation

chapter |10 pages

Effect of production blasts on waste dump stability

chapter |10 pages

Blast optimization at Sindesar Khurd underground mine to improve productivity with reduced level of vibration

chapter |8 pages

ECOFRO, an eco comparison tool for methods of rock fragmentation

chapter |6 pages

Controlling vibrations caused by underground blasts in LKAB Malmberget mine

part |2 pages

Section 4 - Blast Modelling

chapter |10 pages

Application of stochastic approach to predict blast movement

chapter |8 pages

Modelling the extent of damage from fully coupled explosive charges

chapter |8 pages

Simple models for the complex process of rock blasting

chapter |12 pages

Computer modelling of cast blasting to calculate the variability of swell in a muckpile

chapter |6 pages

A study of the effect of rock bridges on blast-induced wave propagation in jointed media

chapter |8 pages

Piston models for airblast due to the bulk movement of ground

chapter |16 pages

Modification of the RHT model for enhanced tensile response predictions of geologic materials

chapter |10 pages

A statistical model of fragmentation

chapter |4 pages

Definition of quality of materials fragmented by blast with use of the computer program

part |2 pages

Section 5 - Blast Monitoring & Instrumentation

chapter |8 pages

A method to determine 3-D dynamic strain tensor based on displacement gradients from blast vibration and field test results

chapter |8 pages

Measurement errors in vibrations from blasting

chapter |16 pages

The dynamics and fragmentation of blasted ore slices in scaled sublevel caving and slab models followed by accuracy analysis of the “Volume weight method” used for determination of ore content at loading

chapter |12 pages

Burden movement in confined drift wall blasting tests studied at the LKAB Kiruna SLC mine

chapter |6 pages

Investigation of the relationship between blasting pile density and loader productivity

chapter |6 pages

Advanced understanding of the mechanism of air-deck blasting: A numerical approach

chapter |6 pages

A design of remote real-time calibration and vibration measurement platform based on the grid

chapter |8 pages

Improving blasting operations using data management and analysis

chapter |4 pages

The monitoring and analysis of vibrations generated by blasting in Fangmayu Iron Mine

part |2 pages

Section 6 - Blast Vibrations

chapter |8 pages

The development of a trivariate statistical blast vibration model that seeks to respect both the difference between types of seismic waves and their attenuation rates

chapter |8 pages

Phase—the forgotten problem of blast vibration prediction

chapter |10 pages

A comprehensive assessment of ground vibrations and structural damage caused by blasting

chapter |6 pages

Measurement and analysis of vibration interrelated collapse process in directional blasting demolition of a high-rise frame-shear structure building

chapter |8 pages

Study of blasting vibration effects based on energy input

chapter |8 pages

Concept of effective explosive weight per delay for prediction of vibration in open-pit blasting

chapter |8 pages

Comparison of two near-field blast vibration estimation models: A theoretical study

chapter |10 pages

An equivalent simulation method for whole time-history blasting vibration

chapter |6 pages

Evaluation of the effect of ground vibration due to blasting on adjacent structures in dam construction projects

chapter |6 pages

Analysis of peak particle velocity recorded at underground mine roof generated by nearby surface blasting: A case study

chapter |6 pages

ANN approach for blast vibration control in limestone quarry

part |2 pages

Section 7 - Health, Safety & Environment

chapter |8 pages

Toxicity of blasting fumes as a function of time after blasting

chapter |10 pages

Fines and dust generation and control in rock fragmentation by blasting

chapter |8 pages

Techniques for the control of environmental blast impacts

chapter |4 pages

Parameters of dust-gas cloud spread resulting from a caving-in explosion

chapter |8 pages

Validation of underwater blast emissions modelling in relation to the protection of marine fauna

chapter |4 pages

Safety analysis of blasting near natural gas pipeline

chapter |4 pages

Theoretical considerations and control measures for dust reduction during building demolition by blasting

chapter |6 pages

Quantification of the levels of risk of flyrock

chapter |8 pages

Analysis of blasting related accidents with emphasis on flyrock and its mitigation in surface mines

chapter |6 pages

Spatial distribution of flyrock using EDA: An insight from concrete model tests

part |2 pages

Section 8 - Innovative Blasting Technologies

chapter |8 pages

Shock initiation and malfunction of commercial explosives and accessories: An approach using the critical energy fluence

chapter |8 pages

Evaluation of ANFO performance with cylinder test

chapter |6 pages

Research on performance of aluminum-fiber explosives

chapter |6 pages

Experimental research on bubble pulsation parameters in underwater explosion at unsteady pressure

chapter |6 pages

Measurement of borehole pressure during blasting

chapter |10 pages

Blasting using permitted P5 category explosive having higher air gap sensitivity with spacers for higher output

chapter |6 pages

Assessment of explosive charge factors in surface blasting using rebound hardness values of rocks

chapter |6 pages

Application of innovative techniques in blast design at RAM meeting its production targets

chapter |4 pages

Intelligent mine blasting and its components

chapter |6 pages

Analysis and calculation of the reliability of complex logical initiating network system

part |2 pages

Section 9 - Demolition Blasting

chapter |6 pages

Protection control technology adopted by demolition blasting

chapter |6 pages

Time constrained demolition of brick and mortar constructed rail-bridge

chapter |4 pages

Numerical simulation of explosive demolition of a shear wall structure apartment

chapter |8 pages

Controlled blasting demolition of 7 joint buildings at the same time in urban area

chapter |6 pages

Fine demolition blasting for a concrete cofferdam on a concrete dam spill surface

chapter |4 pages

Blasting demolition of single tower cable-stayed unsafe bridge totaling 163 m in length

chapter |4 pages

Blasting of a reinforced concrete chimney in a high position and in a complex environment

chapter |6 pages

Suggested tamping materials for short length blast holes in explosive demolition operations

part |2 pages

Section 10 - Rock Damage & Wall Control

chapter |12 pages

Estimation of blast-induced damage through cross-hole seismometry in single-hole blasting experiments

chapter |10 pages

Reflections on the functionality of pre-split blasting for wall control in surface mining

chapter |8 pages

A numerical analysis of the presplitting controlled blasting method

chapter |10 pages

Wall control by blasting optimization at “Las Cruces” open pit copper mine (Spain)

chapter |6 pages

Assessment of blast-induced damaged zone and its control

chapter |10 pages

Pre-split blasting for final wall control in a nuclear power project

chapter |6 pages

The division of damage area under blasting vibration in rock mass slopes

chapter |6 pages

A case study on wall stability at Rampura Agucha Mine using electronic blasting systems

chapter |10 pages

Blasting vibration control based on whole time-history response prediction of high rock slope

chapter |6 pages

Investigation into effect of blasting on slope stability in opencast coal mines

part |2 pages

Section 11 - Blasting for Civil Construction Projects

chapter |16 pages

Vibration modeling of three eDev™ tunnel rounds in the Citybanan tunnel in Stockholm

chapter |6 pages

Monitoring ground vibrations for predicting overbreak threshold levels in underground drivages

chapter |10 pages

Controlled blasting for a metro rail project in an urban environment

chapter |12 pages

A preliminary empirical model for prediction of response spectra of blast vibrations at construction sites

part |2 pages

Section 12 - Case Studies

chapter |6 pages

A specialised blasting technique to maintain better safety and productivity in limestone mines of JK Cement Works

chapter |4 pages

Investigation of borehole aqua stemming blasting

chapter |6 pages

A scientific perspective of blasting in hot holes and reactive ground

chapter |6 pages

Experimental research on the mechanism of reinforcing soft clay ground by blasting

chapter |6 pages

Closed accurate delay blasting on the structure of the influence spectrum analysis

chapter |7 pages

Safe blasting practice near pump house structures: A case study