A First Look at Roadheader Construction and Estimating Techniques for Site Characterization at Yucca Mountain, Nevada

by David M. Neil, Neil and Associates, Inc, Aurora, United States,
Danny L. Taylor, Neil and Associates, Inc, Aurora, United States,

Document Type: Proceeding Paper

Part of: High Level Radioactive Waste Management 1991


The Yucca Mountain site characterization program will be based on mechanical excavation techniques for the mined repository construction and development. Tunnel Boring Machines (TBM's), Mobile Miners (MM), Raiseborers (RB), Blind Hole Shaft Boring Machines (BHSB), and Roadheaders (RH) have been selected as the mechanical excavation machines most suited to mine the densely welded and non-welded tuffs of the Topopah Springs and Calico Hills members. Heavy duty RH in the 70 to 100 ton class with 300 Kw cutter motors have been evaluated and formulas developed to predict machine performance based on the rock physical properties and the results of Linear Cutting Machine (LCM) tests done at the Colorado School of Mines (CSM) for Sandia National Laboratories (SNL).

Subject Headings: Construction sites | Highways and roads | Infrastructure construction | Construction methods | Radioactive wastes | Boring | Mines and mining | Rock properties | Nevada | United States | Colorado

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