نتایج جستجو برای: mine haul road

تعداد نتایج: 96568  

Journal: :Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil 2023

PT. Berau Coal is one of the mining companies in Indonesia that focuses on coal and sales. This research was carried out haul road at Site Gurimbang Mine Operation, where condition currently undulating located above a swamp area. reduces speed HD 785, resulting unit's productivity not achieving company's target. The effort to improve by using geotextile as method strengthening road. aim this de...

Journal: :Environmental monitoring and assessment 2010
William G Brumbaugh Miguel A Mora Thomas W May David N Phalen

Voles and small passerine birds were live-captured near the Delong Mountain Regional Transportation System (DMTS) haul road in Cape Krusenstern National Monument in northwest Alaska to assess metals exposure and sub-lethal biological effects. Similar numbers of animals were captured from a reference site in southern Cape Krusenstern National Monument for comparison. Histopathological examinatio...

Journal: :desert 0
h. ahmadi professor, science and research branch, islamic azad university,tehran, iran h. azarnivand professor, faculty of natural resources, university of tehran, karaj, iran m.r. ekhtesasei associate prof., faculty of natural resources, yazd university, yazd, iran m. tazeh assist. prof., faculty of natural resources, ardakan university, ardakan, iran

there have been different indices identified for desertification. among these is technogenic desertification index which seems much more efficient. in this study, some of technogenic desertification indices were studied and evaluated. first land use maps of the region were taken from irs-pan satellite image and aerial photos analysis. after evaluating the area of different uses, lands that had ...

2000
Jonathan M. Roberts Elliot S. Duff Peter I. Corke Pavan Sikka Graeme J. Winstanley Jock Cunningham

This paper describes how many of the navigation techniques developed by the robotics research community over the last decade may be applied to a class of underground mining vehicles (LHDs and haul trucks). We review the current state-of-the-art in this area and conclude that there are essentially two basic methods of navigation applicable. We describe an implementation of a reactive navigation ...

Journal: :Journal of Earth and Marine Technology 2023

The mining planning and design were carried out in PT. Tanjung Alam Jaya, a coal company South Kalimantan. intends to re-mine the Pit X area requires comprehensive mine approach achieve its objectives. study focuses on long-term planning, specifically optimizing pit while considering company's specified stripping ratio limit calculating potential reserve volumes. research aims develop an optimi...

2011
Dhiren Kumar Behera Asis Sarkar Ambuja Behera

The recent deployment of complex and capital intensive equipment in mines has resulted in increased interest in the maintenance and operational reliability of these equipments. This is because random equipment failure has consequences that influence the total operating cost of this system. This case study analyses the reliability of a fleet of load haul dump machines in a Coal India mine situat...

Road traffic accidents are the leading cause of death in international travelers. With the growth of international travel, the number of visitors who rent a vehicle upon arrival at their destination by air or by sea is expected to increase. Jet lag is a well-recognized maladaptation to international travel across multiple time zones. Little is known about the possible influence of jet lag sympt...

Journal: Desert 2012
H. Ahmadi H. Azarnivand M. Tazeh M.R. Ekhtesasei

There have been different indices identified for desertification. Among these is technogenic desertification index which seems much more efficient. In this study, some of technogenic desertification indices were studied and evaluated. First land use maps of the region were taken from IRS-PAN satellite image and aerial photos analysis. After evaluating the area of different uses, lands that had ...

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