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MT 172-1987 English PDF

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MT 172-1987: Expansion of rock stress determination method

MT 172: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
MT 172-1987English159 Add to Cart 2 days [Need to translate] Expansion of rock stress determination method   MT 172-1987
MT/T 172-1987English79 Add to Cart 3 days [Need to translate] (Rock expansion stress measurement method) Valid MT/T 172-1987

PDF similar to MT 172-1987


Standard similar to MT 172-1987

GB/T 15224.3   GB/T 15224.1   GB/T 5751   MT/T 561   MT/T 596   MT/T 560   

Basic data

Standard ID MT 172-1987 (MT172-1987)
Description (Translated English) Expansion of rock stress determination method
Sector / Industry Coal Industry Standard
Classification of Chinese Standard D20
Word Count Estimation 3,394
Date of Issue 11/18/1987
Date of Implementation 12/10/1987
Summary This standard applies to the determination of rock expansion stress. Arising after rock physical and chemical reaction with water volume increases with time phenomenon, at this time the specimen to maintain a constant volume of the pressure that is needed for the expansion stress.

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