I am studying stress transfer during hydraulic fracturing. However, the stress transfer mechanism is out of my research field. For a simple example, when a cement sample is loaded by compressive stress, if the stress value at a point inside the cement sample is lower than the loaded one (?), how do we get to know the detailed stress inside the cement?
Ekrem Alagoz
Finite Element Analysis (FEA): This is a numerical technique that can be used to simulate the mechanical behavior of a material under a given load. Digital Image Correlation (DIC): This is a non-destructive testing method that can be used to measure the displacement and strain fields in a material. Neutron Diffraction: This is a non-destructive testing method that can be used to measure the residual stress distribution in a material. Hole Drilling Method: This is a destructive testing method that can be used to measure the residual stress distribution in a material.
Please search below methods:
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Qinghe Niu
The internal stress of a natural rock may be less than or equal to and higher than loaded stress, this depends on the internal heterogeneity and defect distribution of the rock. The discrete element method can analyze the stress transfer of rock and soil.
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