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  3. similarity and differences between tunneling techn

similarity and differences between tunneling technology roadheader, tunnel boring machine and drill and blast

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Civil Engineering

similarity and differences between tunneling technologyroadheader, tunnel boring machine and drill and blast

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3.6 Ratings (398 Votes)
Similarities All are excavating equipments or techniques All of the techniques are basically used to excavate vertical surfaces Differences Roadheader Consists of a boom mounted cutting head loading device and a crawler travelling track The    See Answer
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