Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Electric thermal expansion aids tough concrete drilling
Conversion of windowless war plant into bus garage required cutting of openings into 22-in. thick reinforced concrete walls; procedure made easier by passing 6000-amp current through vertical reinforcing bar thus expanding and cracking concrete covering.
Electric thermal expansion aids tough concrete drilling
Conversion of windowless war plant into bus garage required cutting of openings into 22-in. thick reinforced concrete walls; procedure made easier by passing 6000-amp current through vertical reinforcing bar thus expanding and cracking concrete covering.
Electric thermal expansion aids tough concrete drilling
Construction Methods
1949
Aufsatz (Zeitschrift)
Englisch
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