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Grouting problems in driving leadville tunnel
At several points, large underground reservoirs of water were tapped; it was frequently necessary to consolidate unstable rocks ahead of face by grouting, before advancing tunnel; ordinary grouting procedures found inapplicable; development of technique involving sealing tunnel face and lining walls with concrete; also use of oats as expanding medium, mixed with grout and introduced at low pressures into short holes in tunnel lining.
Grouting problems in driving leadville tunnel
At several points, large underground reservoirs of water were tapped; it was frequently necessary to consolidate unstable rocks ahead of face by grouting, before advancing tunnel; ordinary grouting procedures found inapplicable; development of technique involving sealing tunnel face and lining walls with concrete; also use of oats as expanding medium, mixed with grout and introduced at low pressures into short holes in tunnel lining.
Grouting problems in driving leadville tunnel
Mines Mag
Volin, M.E. (author)
Mines Magazine ; 38
1948
Article (Journal)
English
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