Long-term Immersed Sandstone

83% Strength Loss

Pore structure evolution and mechanical degradation under long-term immersion are well characterized.

Han, Penghua · Zhang, Cun · Xiaojie, Wang · Lei, Wang

Engineering Geology 2023

Specifications

天后单轴抗压强度降低

{'zh': '83', 'en': ''} %

天后累计声发射计数降低

{'zh': '96.8', 'en': ''} %

Advantages

Failure mode changes from combined shear-tensile crack surfaces to a single shear crack surface

Pore structure evolution divided into clay mineral swelling stage and potassium feldspar corrosion stage