Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Sonar Caliper surveys of underground caverns
Size and shape of underground caverns are being determined by means of new subsurface surveying tool; this tool is lowered into cavern, through communicating well bore, where it emits directional sound im pulses and measures time interval elapsing until echo, reflected from cavern wall, is received; recordings are taken at successive depth intervals, and profile of cavern thus determined.
Sonar Caliper surveys of underground caverns
Size and shape of underground caverns are being determined by means of new subsurface surveying tool; this tool is lowered into cavern, through communicating well bore, where it emits directional sound im pulses and measures time interval elapsing until echo, reflected from cavern wall, is received; recordings are taken at successive depth intervals, and profile of cavern thus determined.
Sonar Caliper surveys of underground caverns
ASME -- Paper
Petterson, G.D. (Autor:in) / Williams, S.G. (Autor:in)
ASME Meeting PET-14 ; 1959
1959
7 pages
Aufsatz (Konferenz)
Englisch
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