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Air Injection and Hot-film Flow Logging for Evaluation of Roof Cracks in White Pine Mine.

Authors
Chan-SSM; Thomas-HE; Bada-N
Source
Trans Soc Min Eng AIME 1974 Jun; :131-137
Link
NIOSHTIC No.
10010929
Abstract
The Bureau of Mines has developed a technique for locating and evaluating bedding plane cracks in mine roof by an air-injection and hot-film flow logging process. It is ultrasensitive to cracks and is especially useful for detecting the early stage of crack development. The required equipment is inexpensive and simple to operate.
Publication Date
19740601
Document Type
OP;
Fiscal Year
1974
NTIS Accession No.
NTIS Price
Identifying No.
OP 123-74
Source Name
Trans. Soc. Min. Eng., AIME, June 1974, PP. 131-137
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