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The Energy Balance Theory and Rock Fracture Energy Measurements for Uniaxial Tension.

Authors
Krech-WW
Source
Proc Adv Rock Mech 3D Cong Internat Soc Rock Mech 1974 2:167-173
Link
NIOSHTIC No.
10010975
Abstract
A new application of the basic griffith theory of rupture of brittle solids, based on direct measurement of fracture energy requirements, is presented. The energy balance hypothesis is demonstrated by direct experiment, and nonrecoverable energy used in fracturing rock is directly measured. Ten rock types were tested in uniaxial tension under closed-loop control. Observation of test results and measurements of fracture energy are presented.
Publication Date
19740101
Document Type
OP;
Fiscal Year
1974
NTIS Accession No.
NTIS Price
Identifying No.
OP 177-74
Source Name
Proc. Adv. Rock Mech., 3D Cong. Internat. Soc. Rock Mech., V. 2, Pt. A, 1974, PP. 167-173
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