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This article provides a comprehensive overview of the experimental study on physicomechanical properties of sandstone under acidic environment. The authors have conducted uniaxial compression tests on sandstone samples to determine the variations in relative mass, deformation, and strength characteristics due to different pH sulfuric acid corrosion values. The changes in pH and Mg2+ and Ca2+ concentration of immersion solutions were monitored during soaking. The results indicate that the deformation characteristics of sandstone samples under acid attack are characterized by the softening of rock, and the peak strength of sandstone samples declines as soaking time extends due to chemical effects leading to dissolution of rock mineral assemblage resulting in large-scale development of pores inside the rock which changes macroscopic mechanical properties. Damage variables based on CT numbers were deduced, and a quantitative relationship between damage variables and immersion time was established providing a basis for constructing a damage constitutive model for sandstones in acidic environment.

The article is generally reliable with no major biases or unsupported claims noted. All points made are supported by evidence from experiments conducted by authors or other researchers mentioned in references provided at end of article. All possible counterarguments have been explored with no promotional content observed throughout article making it impartial in its reporting. Possible risks associated with acidic environment have been noted throughout article making it trustworthy for readers looking for information regarding this topic. Both sides have been presented equally without any one-sided reporting observed making it an unbiased source for readers looking for information regarding this topic