Comparative studies on the performance of a roadheader

Comparative studies on the performance of a roadheader, impact hammer and drilling and blasting method in the excavation of metro station tunnels in Istanbul

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Analysis of Rock Chips Produced During Water-Jet-Assisted

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A Model to Predict The Performance of Roadheaders and

field data both for roadheaders and impact hammers are explained below. 5.1 The analysis of data obtained from roadheader applications For five different tunnels the instantaneous cutting rates of roadheaders are plotted against

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PDF A Model to Predict The Performance of Roadheaders and Impact

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