آخرین محصولات

PROFILE | Detonator Blasting & Contracting Co. LLC

Detonator Blasting & Contracting Co. LLC as a seasoned professional co. with experience of 18 years, with the objective to meet the ever growing Mining, Explosive manufacturing, Storage & Supply, Earthwork, all type of Drilling and Blasting in Sultanate of Oman.

Dykon Blasting Corp. A World-Class Drilling and Blasting …

Dykon Blasting Corp works closely with contractors to ensure the safe completion of the projects in which they participate. Since each blasting project is unique, Dykon's highly-trained personnel carefully consider and design the safety procedures, equipment, technology and numerous other details required for the successful completion of the …

P&Q University Lesson 4: Drilling & Blasting

The initial production steps in a quarry operation – drilling and blasting ­– can significantly impact the productivity and costs of most downstream operations, including loading, hauling, crushing and screening, and product yield – the relative volume of high-value crushed stone products versus low-value byproducts.

GULF MINING AND ROCK BLASTING

We specialize on application of high explosives for normal and controlled blasting and also specialize in the mining, crushing and screening of Gypsum and limestone, and …

Lalit Harsh

Drilling and Blasting Engineer with 25 years of experience working in various open cast mines. <br>Currently managing operations and production on gypsum site which is working with 8 excavators, 3 wheel loaders, dozer, 5 dumpers,8 tippers. The mines currently has a production of 150000 tonnes/month dispatch- able …

Detonator Blasting & Contracting Co. LLC

Detonator Blasting & Contracting Co. LLC has been established in the year 1998, with the objective to meet the ever growing Mining, Civil Explosive, Earthwork, Drilling & …

Optimized Burden-Spacing for Improvement of Rock …

The amount of limestone produced in one year is 20.138.946 tons.Keywords: blasting geometry, production, limestone, geological structure View full-text Last Updated: 29 Feb 2024

About Us

Company engaged in mining and mineral processing activities and aimed to fulfil the needs of customers within Oman and GCC countries. NMC is now emerged as a major manufacturer and supplier of various products like …

Limestone extraction – underground mining techniques, drilling …

Limestone is a sedimentary rock comprising about 15% of the earth's sedimentary crust. Limestones are generally mined using the methods of open-pit mining and underground mining based on economic and environmental conditions. WHERE DO THEY FORM LIMESTONE : Limestone forms in a variety of marine, freshwater, and terrestrial …

Blasting mechanics: Material properties and powder factor

The majority of blasting in today's environment is in non-homogeneous material where rock types and structure are constantly changing, either from site to site or within the boundaries of a single site. ... the pattern can be expanded to significantly lower the cost of drilling and blasting. Additionally, the wall where the bedding is steeply ...

Investigation of Some Blast Design and Evaluation …

Too small a mesh area may escalate the drilling and blasting costs enormously (particularly in hard rocks), whereas too much expansion of the mesh area produces big boulders in the blasted muck ...

Assessment of Comparative cost of Continuous Surface …

Earlier Conventional system of mining which includes drilling, blasting and crushing were employed for extraction of coal in opencast mines. All these operations are resulting a lot of adversative ...

Al Fajar Al Alamia signs major shareholders agreement

A spokesperson for Al Fajar Al Alamia said, "For the last 40 years we have been a leader in industrial explosives, drilling and blasting services in Oman. We have continuously strived to deliver ...

Drilling and blasting improvement in aggregate quarry …

increased production from 2.5 MTPA to 5 MTPA. Drilling and blasting accounts for 28% of total quarrying cost based on the study of various aggregate quarries in Thailand. Powder factor values (P.F.) is 0.40 – 0.66 kg/m3 at 80% passing over 0.5m. Considering drilling and blasting as major cost, existing practices of drilling and blasting are ...

Detonator Blasting & Contracting Co. LLC

Welcome to Detonator Blasting & Contracting Co. LLC. Detonator Blasting & Contracting Co. LLC has been established in the year 1998, with the objective to meet the ever growing Mining, Civil Explosive, Earthwork, Drilling & Blasting, Roads, and Buildings & Explosive Storage in Sultanate of Oman.

Tariq Mahmood

General Manager at Detonator Blasting and Contracting company · Twenty nine YEARS MULTI DIMENSIONAL EXPERIENCE IN THREE COUNTRIES ( Underground & Surface Mining, Road construction, breakwater ).Twenty four years in OMAN & U.A.E at senior management level reporting to M.D, responsible to lead, plan and supervise the …

Selective mining as an alternative to drilling and …

The geological situation has, however, made extraction a more difficult task: the remaining limestone strata are interlayered with shale. Due to this, quarrying with conventional methods such as drilling …

Gulf Mining Group, Oman

With a rich history of mining and mineral development, GMG's diverse interests span Chrome, Manganese, Marble, Limestone, and more. Driven by a commitment to …

What's new in automated drilling and blasting?

Mining majors see the benefit of investing in autonomous drilling. Drilling and blasting is one of the most dangerous mining processes undertaken. Degrees of automation enable drill rigs to do much of their work independently, effectively removing people completely, or lessening workers' exposure to hazards such as dust, noise, …

Oman's mineral exploration creates positive environment for …

In terms of non-metallic minerals, Oman is most abundant in dolomite, limestone, gypsum, clay, silica, ornamental stones and building materials, resources which are spread throughout the country. ... CEO of local drilling and blasting operator Al Fajar Al Alamia, told OBG. "The sultanate is also poised to considerably increase its gypsum ...

Environmental Hazards of Limestone Mining and …

8 Environmental Hazards of Limestone Mining and Adaptive … 125 8.3.1 Impacts on Land and Soil Opencast mining has been associated with a change in land use and land cover of

Optimized design of drilling and blasting operations in …

DOI: 10.1016/J.IJMST.2018.06.009 Corpus ID: 115291846; Optimized design of drilling and blasting operations in open pit mines under technical and economic uncertainties by system dynamic modelling

FIRST SERVICES – First Services & Excavations Co.

The evolution of " FIRST SERVICES & EXCAVATIONS LLC" from humble beginnings in 2021 to where it stands today as one of the leading drilling and blasting companies in OMAN, is the history of hard dedication …

(PDF) CALCULATION OF DRILLING AND BLASTING PARAMETERS FOR …

Mining activities includes blasting, drilling, crushing, hauling, and loading process but drilling blasting operations are one of the most influential factors on the cost of mineral resources ...

PROFILE | Detonator Blasting & Contracting Co. LLC

Detonator Blasting & Contracting Co. LLC as a seasoned professional co. with experience of 18 years, with the objective to meet the ever growing Mining, Explosive manufacturing …

GULF MINING AND ROCK BLASTING

The Group's core activities are involved with quarry, close proximity and engineering related drilling and blasting operations and crushing and rock services and civil engineering to …

Influence of Joint Orientation and Spacing on Induced Rock …

The nature and orientation of joints in rock strata affect the damage pattern under explosive loading. Most of the limestone deposits in India are found with severity of joints. Categorically, these joints may have variable orientations such as dipping out of the blast face, inside the face, horizontally or having strike parallel to the face. The damage …

Controlled blasting in a limestone mine using electronic detonators…

This paper presents a case study of limestone mine where a controlled blasting was conducted near a green structure of wagon tippler (at 2 m) being constructed for foundation work of belt conveyor as the mine management wants to double the existing production. ... Spathis & Gupta (ed), Tunnelling in Rock by Drilling and Blasting, Taylor ...

Al Fajar Al Alamia signs major shareholders agreement

A spokesperson for Al Fajar Al Alamia said, "For the last 40 years we have been a leader in industrial explosives, drilling and blasting services in Oman. We have continuously strived to deliver optimum solutions to meet our customers' needs for quarrying, infrastructural projects, tunnelling projects, underwater blasting among others.

Rock Excavation by Drilling and Blasting: Evaluation of the …

The paper deals with a research carried out at an open pit quarry, to optimize the production through the analysis of the equipment. The discussion was focused on the currently available machines: excavators, dump trucks and drills. The objective was to …

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