Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Backfilling tunnel through holes bored from surface
Concrete poured around 60-in. cast-iron pipe in 10 by 10 ft. rock bore by dropping it 70 ft. from trestle across river.
Backfilling tunnel through holes bored from surface
Concrete poured around 60-in. cast-iron pipe in 10 by 10 ft. rock bore by dropping it 70 ft. from trestle across river.
Backfilling tunnel through holes bored from surface
Eng. News-Rec.
Armstrong, J. (Autor:in)
1919
2 pages
2 Figs.
Aufsatz (Zeitschrift)
Englisch
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