Quantitative Research by Non-local Fracture Criterias Difference of Frozen Soil Strength in Different Tensile Test | Zendy

Changyi Yu | Zendy

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Quantitative Research by Non-local Fracture Criterias Difference of Frozen Soil Strength in Different Tensile Test

Author(s) -

Changyi Yu

Publication year - 2019

Publication title -

destech transactions on engineering and technology research

Language(s) - English

Resource type - Journals

ISSN - 2475-885X

DOI - 10.12783/dtetr/icaen201/29031

Subject(s) - ultimate tensile strength , mesoscopic physics , materials science , tensile testing , bending , geotechnical engineering , fracture (geology) , composite material , uniaxial tension , significant difference , structural engineering , geology , mathematics , engineering , physics , statistics , quantum mechanics

Frozen soil strength is an important index in practical engineering design, but different test methods can get different strength values. Non localization theory characterizes material properties by describing the characteristic length of nonuniform materials. In this paper, the non-localized theory of mesoscopic materials is introduced into frozen soil, explaining that the difference of different test strengths of frozen soil comes from the non-uniformity of frozen soil. The relationship between non-uniformity and strength and the relationship between uniaxial tensile strength and bending tensile strength are described quantitatively through uniaxial tensile test and bending tensile test. 1

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