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Prediction of roadheader performance by artificial neural

Prediction of roadheader performance by artificial ... investigated the advance rate changes of ... R.J. PlinningerPredicting roadheader advance rates. ...

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(PDF) Roadheader applications in mining and

Full-Text Paper (PDF): Roadheader applications in mining and tunneling

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Prediction of roadheaders' performance using artificial

Prediction of roadheaders' performance using artificial neural ... in roadheaders' advance rates at San ... Predicting roadheader advance rates.

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New model for predicting Instantaneous Cutting Rate of axial

New model for predicting Instantaneous Cutting Rate of axial-type ... K. and Plinninger, R. J. (1999). “Predicting roadheader advance rates.” Tunnels and ...

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A review of rock cutting for underground mining: past

WITS SPECIAL EDITION - VOLUME I . A review of rock cutting for underground mining: past, present, and future . D. Vogt. Centre for Mechanised Mining Systems, University of the Witwatersrand Johannesburg, South Africa

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A Model to Predict The Performance of Roadheaders and Impact

A Model to Predict The Performance of Roadheaders and ... determining daily advance rates still stays a ... many roadheader performance prediction ...

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(PDF) Roadheader applications in mining and tunneling

In order to justify the use of roadheader machine for planning and scheduling purposes, an accurate prediction of instantaneous cutting rate (ICR), as target parameter to support the prediction rate of the machine performance, is inevitable.

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A new model to predict roadheader performance using rock

By using gathered data, the statistical analyses are conducted between rock mass properties and roadheader performance to find whether there is a significant relationship between input variables and roadheader performance. The results show that rock mass

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The performance of a roadheader in high strength

The performance of a roadheader in high strength rock ... serve to predict the cutting rate of the machine ... Monthly advance rates of the roadheader are shown ...

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Predicting roadheader performance by using artificial neural

Full-Text Paper (PDF): Predicting roadheader performance by using artificial neural network

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mozilla firefox® web browserpredicting roadheader advance

mozilla firefox® web browserpredicting roadheader advance rates: ... PREDICTING TUNNEL BORING MACHINE (TBM) PENETRATION RATES AND CUTTER COSTS ...

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A Model to Predict the Performance of Roadheaders Based on

(R²=0.A model to predict the performance of roadheaders based on the Rock Mass Brittleness Index ... Predicting roadheader advance rates. and KIKUCHI. and GERTSCH ...

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Buying a Roadheader?: Here's What to Consider - Tunnel

To get a better sense of what to consider when buying a roadheader, ... We have had tunnels in the past with advance rates of over 20 m per day.

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A new model to predict roadheader performance using rock mass

Prediction of roadheader performance ... A new model to predict roadheader performance using ... Thuro K, Plinninger R J, 1999. Predicting roadheader advance rates.

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Performance Prediction of Mechnaical Excavators | Tunnel

Performance Prediction of ... time per day will result a daily advance rate of Performance prediction of mechanical ... Predicting roadheader advance rates.

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cutting rate of roadheader

influence of a number of parameters on the cutting rate and the tool wear of a roadheader. The ... PREDICTING ROADHEADER ADVANCE RATES:

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Some geological and geotechnical factors affecting the

Some geological and geotechnical factors ... Although many roadheader performance prediction ... system to explain the changes of roadheader advance rates at San ...

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PREDICTING ROADHEADER ADVANCE RATES

Prediction 132 kW-Roadheader Figure 4: Cutting performance of a Atlas Copco Eickhoff ET 120 (132 kW) roadheader versus compressive strength. Expected and actual performance in the Zeulenroda sewage tunnel.

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tbm roadheader penetration rate - Roadheader Cutting

ICR ¼ 27:511e 0:0023RPI ð6Þ PRI ¼ PW=r c ð7Þ where PRI is the roadheader penetration ... TBM advance rate ... on the rate of the roadheader ... for predicting ...

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Roadheader performance prediction using (PDF Download

Full-Text Paper (PDF): Roadheader performance prediction using genetic programming (GP) ... roadheader advance rates at San Manuel Copper Mine in a.

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scope roadheader features - Roadheaders

PREDICTING ROADHEADER ADVANCE RATES: … rate and the tool wear of a roadheader. The ... SCOPE The prediction of ... some geological features and geotechnical.

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Performance prediction of roadheaders (PDF Download Available)

mining daily advance rates play an important role ... Plinninger RJ (1999) Predicting roadheader advance. rates. Tunn Tunn 31:36–39. 14. Balci C, Demircin MA, Copur ...

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Prediction of roadheader performance by artificial neural network

Performance prediction of the roadheaders is one of the main subjects in determining the economics of the underground excavation projects. During the last decades, researchers have focused on developing performance prediction models for roadheaders.

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Some geological and geotechnical factors affecting the

The prediction of instantaneous (net) cutting rate and machine utilization time, determining daily advance rates, plays an important role in the time scheduling of the tunneling projects, hence, in determining the economy of tunnel excavation.

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New model for predicting Instantaneous Cutting Rate

In this study, a new model for predicting the Instantaneous Cutting Rate (ICR) has been developed. The performance of EBZ260W axialtype roadheader has been evaluated in the laboratory artificial rock cutting tests and in the tunneling field tests.

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