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Control Measures for Ground Vibration Induced by Blasting ...

Control Measures for Ground Vibration Induced by Blasting at Coal Mines and Assessment of Damage to Surface Structures G.R. Adhikari, N.K. Jain, S. Roy, A.I. Theresraj, R. Balachander, H.S. Venkatesh & R.N. Gupta National Institute of Rock Mechanics Champion Reefs, Kolar Gold Fields – 563 117 Karnataka, India

Explosives and Blasting in Mines - Mining Consultant India

Mining Software and Mine Design,Mine Planning, Mine Design, Drilling and Blasting in Mines, Under Ground Mines, Open Cast Mines,Mining Technology, Mine Development,Mining Consultant India, Mines Safety Week Celebration, Tamil Nadu and Kerala Zone, Mine Safety Association, Mining Technology, Mines Manager Dairy Report. Mining Engineer, Training and Development in Mining.

Use of spacer aided initiation technique in solid blasting ...

Solid blasting mining methods contribute about 60% of total underground coal production in India. Spacer aided initiation technique utilises the inherent air gap sensitivity of the explosive to distribute the blast energy over a longer length by the use of air decking using plastic spacers with single priming to achieve higher pull in solid blasting.

The Mines Act 1952 - DGMS

THE MINES ACT, 1952 (Act No. 35 of 1952 ) (15 March, 1952) ... This Act may be called the Mines Act, 1952. (2)It extends to whole of India (3)It shall come into force on sub date or dates as the Central Government may, by notification in the official Gazette, appoint, and different dates may be appointed for

Explosives and blasting in underground coal mining

Mar 16, 2015· BLASTING ON A PRE-CUT FACE In many mines coal-cutting machines are used to provide an additional free face for blasting.While this may be under, over, middle or side cut, the most common practise in Indian mines is to have undercut face.

Journal of Mining

Directional Controlled Blasting for Extraction of Composite Strata in An Indian Coal Mine. Vivek K Himanshu 1*, MP Roy 1, Amar P Kaushik 1, Sujit Kumar 2 and Saurabh Kushwaha 1. 1 CSIR-Central Institute of Mining and Fuel Research Barwa Road, Dhanbad-826015, India. 2 …

A Century of Bureau of Mines/NIOSH Explosives Research

The use of permissible explosives has significantly reduced blasting accidents in coal mines. Enactment of legislation, such as the Federal Coal Mine Health and Safety Act of 1969 and enforcement of regulations has also improved blasting safety. In the 1980's, MSHA began a major revision of its regulations for blasting in coal mines.

Optmization of blasting parameters in open cast mines

Aug 20, 2016· Optmization of blasting parameters in open cast mines 1. OPTMIZATION OF BLASTING PARAMETERS IN OPEN CAST MINES A Project Report Submitted in partial fulfilment of requirements for award of dual degree of Bachelor of Technology and Master of Technology in Mining Engineering By Anurag Kumar Jha Exam Roll no.-511214025 SESSION 2015-2016 DEPARTMENT OF MINING ENGINEEING INDIAN …

Indian Army Jawan Soman Rana who lost leg in mine blast ...

1 · Indian Army soldier Havildar Soman Rana has qualified for the seated shot put to take part in the Tokyo Paralympics. Rana, who lost his right leg in a mine blast, has qualified in the F-57 category for the Paralympics. Rana is currently the world number 2 ranked seated shot-put para-athlete in his ...

164 THE GAZETTE OF INDIA : EXTRAORDINARY [P ART II—S …

explosives to blasting site for use in well sinking, the design of which is approved by the Chief Controller; (13) "Conservator" includes any person acting under the authority of the officer or body of persons appointed to be conservator of a port under Section 7 of the Indian Ports Act, 1908 (15 of 1908);

Citizen's Guide to Coal Mine Blasting in Indiana

Cast blasting is a type of blast design that uses the explosive energy to move overburden material across the pit. This technique allows approximately 25% to 50% of the rock to be moved without the use of mine equipment. This is a major cost savings to the mine. Although cast blasting requires more pounds of explosive for each cubic yard of rock

Rock Excavation Engineering - Central Institute of Mining ...

Development of pre-split blast designsfor Rampur Agucha Mine of Hindustan Zinc Limited to achieve final stable wall which has made the mine as the deepest opencast mines in India. Designing of drilling and blasting methodology for tunnels, underground powerhouse caverns and open excavation works in more than 20 prestigious hydroelectric ...

About Partha Das Sharma – Mining and Blasting

Partha Das Sharma (P.D.Sharma) is Graduate (B.Tech – Hons.) in Mining Engineering from IIT, Kharagpur, India (1979). He has very rich experience both in Mining operation and Marketing / Export / offering of Technical Services of Explosives & blasting, ANFO, Bulk explosives, Blast designing, Controlled Blasting etc. Visited number of countries in Africa, South East Asia etc.

Underwater Drilling and Blasting for Hard Rock Dredging in ...

Jan 01, 2015· Underwater Drilling and Blasting for Hard Rock Dredging in Indian Ports ... Dowding, C.H., 1980. Structure Response and Damage Produced by Ground Vibration from Surface Mine Blasting, U.S. Bureau of Mines, R.I. No. 8507, pp. 74. Tripathy, G.R., Gupta, I.D., 2002. Prediction of Ground Vibration due to Construction Blasts in Different Types of ...

Indian trooper injured in mine blast - Pakistan Observer

Jul 30, 2021· July 30, 2021. 4. In Indian illegally occupied Jammu and Kashmir, a trooper was injured, today, in a mine blast in Mankote sector along Line of Control (LoC) in Mendhar area of Poonch district. Reports said, the mine blast took place in for-ward area, injuring one trooper namely sepoy Mukesh Kumar, who has been shifted to Command Hospital ...

History of Explosives and Blasting - Mining Engineer First ...

About Copper mining and mining photo from copper mines in India by N G Nair Manager (Mines) Malanjkhand Copper Project. Hindustan Copper Limited, Mining Engineer. First Class Mine Manager. Metalliferous Mines. Gold mine, Lead and Zinc mine,Graphite, Feldspar. Mechanized Under Ground Mines, Mechanized Open Pit Mines. Mining Technology, Mining Software

Prediction of Blast-Induced Flyrock in Opencast Mines ...

Mar 28, 2015· According to Kecojevic and Radomsky inappropriate blasting shelter, failure to evacuate blast area from human and inadequate guarding of the access roads has caused 45.64 % of the fatal and non-fatal accidents in surface coal mining in last 3 decades. Focusing on Indian opencast mines, Figs. 1 and 2 clearly illustrate the number of accidents ...

At least five mine workers killed in blast in southern India

Jan 22, 2021· At least five mine workers were killed in southern India when their trucks carrying blasting material exploded, officials said on Friday. Local media said the toll could be higher.

Blasting in limestone mine, India - YouTube

Blasting in limestone mine, India. Footage taken 500m away from the site

Blast design in opencast mining - SlideShare

Oct 12, 2017· BLAST DESIGN IN OPENCAST MINES Presented by Gopal Karmakar (Id- 511214015 ) and Jagat kumar (Id- 511214014) Mining Engineering IIEST Shibpur 2. Outline • Introduction • Drilling • Explosive used in opencast mine • Types of variables in blast design • Blasting patterns used in Indian opencast mines • Concept of optimum blasting ...

Prediction of blast-induced flyrock in Indian limestone ...

juries due to blasting in Indian mines has been shown in Figs. 1 and 2 (DGMS, 2013, 2014). Flyrock is one of the intriguing prob-lems in opencast mining.

Rock fragmentation control in opencast blasting ...

Apr 01, 2016· 1. Introduction. Rock fragmentation distribution influences a range of mining and milling processes including load and haul rates, crushing and grinding performance and ore recovery in beneficiation processes (Michaud et al., 1997).In opencast mining, where blasting is employed for excavation, the overall cost effectiveness of the production operations is compatible with optimization …

Blasting Techniques Used in Underground and Opencast Mines ...

The blasting is known as blasting-off-the-solid or, in short solid blasting. P5 explosive is used along with Carrick short delay detonators (of I.E.L) or coal delay detonators (of l.D.L.) Introduction of such blasting in mines needs approval from the D.G.M.S. for exemption under the following regulations: (a) Reg. 173- To blast off the solid.

Underground Gold Mine Blasting, Southern Oregon - YouTube

Ever wonder would it would be like to work and blast 400 feet underground in a gold mine? We take you there up-close and personal. We blast underground in ...

Indian Patents. 263217:"A METHOD FOR SOLID BLASTING IN ...

Thus, conventional method of solid blasting in underground coal mines in India suffers from low pull and yield per blast leading to underutilization of men and machine at face which is the main reason for low production and productivity of Indian underground coal mines. The researchers and mine managements have realized that there is a definite ...

Army Havildar, who lost his leg in mine blast, qualifies ...

1 · Pune: Indian Army's Havildar Soman Rana, who lost his right leg in a mine blast in field area in 2006, has qualified for the Tokyo Paralympics 2020 in seated shot put, F 57 category. The ...

Directorate General of Mines Safety - India - Home Page

Jul 04, 2021· Directorate General of Mines Safety, DGMS in short, is the Indian Government Regulatory agency for safety in mines and oil-fields. The mission of the DGMS is to continually improve safety and health standards, practices and performance in the mining industry and upstream petroleum industry by implementing: pro-active safety and health strategies;

Minerals And Mining (Explosives) Regulations, 2012 (Li 2177)

Use of explosives in surface mines and works 175. Precautions at blast site 176. Exclusion zones for surface blasting 177. Charging and blasting time 178. Sleeping shots 179. Charging of blast holes 180. General provisions for initiation of blast 181. Initiation 182. Remote firing 183. Firing 184. Post blast inspection 185. Misfires

Blast Free Mining in Indian Surface Coal Mines – Current ...

Unpublished M. Tech Dissertation submitted to Indian School of Mines, Dhanbad, pp. 1–40 (1999) Google Scholar. 9. Dikshit, M.P., Singh, O.P.: Surface Miner operation – a cost effective, eco-friendly coal mining for mass production in opencast coal mines in India.