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Geofluids
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2021
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Article
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Tab 4
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Research Article
Investigation on Creep Behavior and Permeability Evolution Characteristics of Sandstone under Different Pore Pressures
Table 4
Long-term strength (
)
of sandstone under different hydraulic pressures (MPa).
Determining method
MPa
MPa
MPa
MPa
Isochronous stress-strain curve method
118.24
104.35
/
/
Volume dilatancy method
130.04
123.91
109.07
81.56
Crack initiation method
112.15
103.21
89.87
64.78