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Appears in Collections:Management, Work and Organisation Conference Papers and Proceedings
Peer Review Status: Refereed
Authors: Sayadi, Ahmad Reza
Lashgari, Ali
Oraee, Kazem
Yavari, Mehdi
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Title: Hoisting Equipment Cost Estimation in Underground Mines
Citation: Sayadi AR, Lashgari A, Oraee K & Yavari M (2010) Hoisting Equipment Cost Estimation in Underground Mines, SME International Conference on Hoisting and Haulage, Las Vegas, USA, SME.
Issue Date: 2010
Conference Name: SME International Conference on Hoisting and Haulage
Conference Location: Las Vegas, USA
Abstract: Hoisting is one of the prevalent systems for ore transportation in underground mines. In feasibility studies and planning stage of underground mining projects, before selection of technical parameters for proper mine hoist, related economic parameters must be studied. In this paper, capital and operating costs along with operating cost items are estimated using multiple linear regressions (MLR), based on Principal Component Analysis (PCA). These cost functions are consisted of five independent variables; mine hoist distance, production rate, drum diameter, velocity, skip load and horse power. The MLR is conducted in two steps. At the first, correlation between independent variables is omitted using PCA technique. Thereafter, MLR functions are established using selected significant PCs and total cost functions are constituted as functions of initial LHD variables. At the end, accuracy of functions is evaluated using mean absolute error rate method.
Type: Conference Paper
Status: Publisher version
Rights: The publisher has not yet responded to our queries therefore this work cannot be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author; you can only request a copy if you wish to use this work for your own research or private study.
Affiliation: Tarbiat Modares University
Tarbiat Modares University
Management Work and Organisation
Tehran University

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