At present, the problems of the strength of brittle materials such as rocks, frozen soil and concrete in its various versions, remain relevant. In frozen ground, ice performs functions similar to cement stone in concrete. A feature of the structure of brittle materials are micro- and mesoscale pores and cracks, the development of which with increasing load leads to the gradual destruction of the conglomerate of material particles, which manifests itself in the nonlinearity of the load-deformation diagram. A phenomenological model for determining the effective stresses and effective modulus of brittle material elasticity are considered in this article. The effective stresses are shown to increase linearly with increasing strain. This explains the destruction of the material under consideration on the downward segment of the “loading – displacement” plot. The simulation results are consistent with the experimental data known from the scientific literature on the example of concrete, frozen soil, bone and composite materials.


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    Title :

    Effective Concrete and Frozen Ground Stresses Under Uniaxial Loading


    Additional title:

    Lect. Notes in Networks, Syst.



    Conference:

    International Scientific Siberian Transport Forum ; 2021 May 11, 2021 - May 14, 2021



    Publication date :

    2022-03-18


    Size :

    9 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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