Get Price . break even stripping ratio example for coal mining. . what is stripping ratio coal mining,Stripping ratio –, the free encyclopedia, In mini. stripping ratio coal mining comp – Mine Equipments In coal mining what is a good strip ratio – Wiki Answers SR .

 · However a wide variety of units are used as well as indied below: Hence the maximum allowable stripping ratio at pit limit is given as: SR (Overall) = Volume of Waste/Volume of Ore For Example: Determine the Stripping Ratio of the ore section (green zone) shown below: We know; SR = Waste/Ore, therefore; SR = 2500/5000 = 1:2 ( ) ( one unit of waste is removed to recover 2 .

Stripping Ratios: What are They and Why are They Important ... Oct 31, 2018· A strip ratio, or stripping ratio, is an important measurement related to the openpit mining process. It represents the amount of waste material, also . Get Price

BreakEven and Internal. The most simplistic way to determine cutoff grade is through the breakeven and internal method. This method is easy to use and involves minimal background information. It is preferred as a first estimate, and is most effective in the early planning phases of a project.

Question: Given The Following Information And Diagram, Calculate Mathematically (not Graphically) The Break Even Stripping Ratio, The Distance (D), Depth (h), And The Overall Stripping Ratio For The Following Pit Section. For The Purposes Of This Simplified And Conservative Approach For The Estimation Of Pit Limits, The Pit Bottom Will Be Assumed To Be V Shaped ...

Striping Ratio (SR) Break Even Stripping Ratio (BESR) Yaitu perbandingan antara keuntungan kotor dengan ongkos pembuangan OB. Cost penggalian bijih BESR = Cost pengupasan OB. Untuk memilih system penambangan digunakan istilah BESR1 bagi open pit yaitu overall. stripping ratio. BESR1 > 1 = Tambang terbuka

 · Break Even Point (BEP) ialah titik impas di mana posisi jumlah pendapatan dan biaya sama atau seimbang sehingga tidak terdapat keuntungan ataupun kerugian dalam suatu ini digunakan untuk menganalisis proyeksi sejauh mana banyaknya jumlah unit yang diproduksi atau sebanyak apa uang yang harus diterima untuk mendapatkan titik impas atau kembali .

Developing breakeven stripping ratio graph for Sungun copper project A. D. Akbari Dehkharghani* Mining Engineering apt, Research Science Campus, Azad University, Tehran, Iran

 · Mining will proceed by advancing into the hillside until reaching the breakeven stripping ratio. At this point, the highwall will remain. Under certain conditions, we may choose to take advantage of the exposed coal seam, and develop an underground mine or practice highwall mining, which will be discussed later in this lesson.

What is break even stripping ratio answers. We divide the overburden thickness by ore thickness to get the stripping ratio For example if we have an overburden thickness of 80m and ore thickness of 50 m, then the stripping ratio will be .

Keywords: Selling Price of Coal, Economic Stripping Ratio, Break Even Stripping Ratio (BESR), Net Present Value (NPV), Pay Back Period (PBP) Internal Rate of Return (IRR). Abstrak. PT Tempirai Energy Resources merupakan salah satu perusahaan swasta yang bergerak di bidang pertambangan, dimana lokasinya terletak di Kecamatan Simpang Tungkal, Bayung Lencir, Kabupaten Musi Banyuasin, .

SR = 1 = Bisa Tamka/Tamda. 2. Break Even Stripping Ratio (BESR) Yaitu perbandingan antara keuntungan kotor dengan ongkos pembuangan O/B. BESR = Cost Penggalian Bijih / Cost Penggalian OB. Untuk memilih system penambangan digunakan istilah BESR1 bagi open pit yaitu overall stripping ratio. BESR1 > 1 = Tamka.

 · The maximum allowable Stripping Ratio (SR max) defines break even stripping ratio (BESR).This represents the highest possible units of waste that can be handled. If the SR exceeds the BESR then the operation will be uneconomical as the income generated by the ore is insufficient to offset the costs incurred in mining.

 · D. Break Even Stripping Ratio (BESR) Break Even Stripping Ratio adalah perbandingan antara biaya penggalian batubara dengan biaya pengupasan tanah penutup (overburden) atau merupakan perbandingan biaya penambangan bawah tanah dengan penambangan terbuka. Break Even Stripping Ratio ini disebut juga overall stripping ratio, yang dapat dinyatakan ...

 · Stripping ratios aren't often discussed, but they can be an early and important indior for mining projects. Here's what investors should know about them.

Break Even Stripping Ratio ini disebut juga overall stripping ratio, yang dapat dinyatakan sebagai berikut : get price. Stripping ratio mining Britannica. The breakeven stripping ratio is a function of ore value and the costs involved. Read More Inspire your inbox Sign up for daily fun facts about this .

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