Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Use of steel arches in supporting underground roadways on coal mines; cost reduction in substitution for timber; underground excavations under resultant of vertical pressure, side pressure, and floor pressure, tend to assume form of parabola of varying degrees of deformation. Abstract of paper presented before Min. Soc. of Nova Scotia. (see also Iron and Steel of Can., vol. 11, no. 8, Aug. 1928, pp. 238-239; Science of Art of Min., vol. 39, no. 4, Sept. 8, 1928, pp. 56-57)
Use of steel arches in supporting underground roadways on coal mines; cost reduction in substitution for timber; underground excavations under resultant of vertical pressure, side pressure, and floor pressure, tend to assume form of parabola of varying degrees of deformation. Abstract of paper presented before Min. Soc. of Nova Scotia. (see also Iron and Steel of Can., vol. 11, no. 8, Aug. 1928, pp. 238-239; Science of Art of Min., vol. 39, no. 4, Sept. 8, 1928, pp. 56-57)
The use of steel arches in supporting underground roadways
Can. Min. Met. -- Bul
Frost, L. (Autor:in)
1928
19 pages
11 Figs.
Report
Englisch
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The use of steel arches in supporting underground roadways
| Engineering Index Backfile | 1928
The use of steel arches in supporting underground roadways
| Engineering Index Backfile | 1928
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| Engineering Index Backfile | 1928
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