Photoelastic stress investigation in underground large hole in permafrost soil (statics, thermoelasticity, dynamics, photoelastic strain-gauges)

V. N. Savostjanov; V. V. Dvalishvili; V. N. Sakharov; A. S. Isajkin; L. J. Frishter; A. V. Starchevsky

doi:10.1117/12.49558

1 December 1991 Photoelastic stress investigation in underground large hole in permafrost soil (statics, thermoelasticity, dynamics, photoelastic strain-gauges)

V. N. Savostjanov, V. V. Dvalishvili, V. N. Sakharov, A. S. Isajkin, L. J. Frishter, A. V. Starchevsky

Author Affiliations +

Proceedings Volume 1554, Second International Conference on Photomechanics and Speckle Metrology; (1991) https://doi.org/10.1117/12.49558
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

The development of many-year-frost rock (MYFR) region hydrotechnic construction, the MYFR being quite a reliable construction base, provided it is situated outside the seasonal temperature fluctuation layer, requires the rock stress-deformed state evaluating criteria working out with maximal possible account of static, dynamic, blast-hole drilling and temperature effect on their properties.

In estimating the Hydroelectrical Power Station (HPS) underground building stress-deformed state the present work refers to experimental data and calculations, received by solving a linear task with further account of the building profile changing effect in the process of construction and the concrete and rock mechanic properties heterogeneity. The proposed order is justified, provided the rock mass defrosting depth value is small as compared to the rock separate block dimensions and when it corresponds to the building construction period. The results are given for the Kolymskaya Hudroelectrical Power Station building cross-section, considered under flat deformation conditions.

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V. N. Savostjanov, V. V. Dvalishvili, V. N. Sakharov, A. S. Isajkin, L. J. Frishter, and A. V. Starchevsky "Photoelastic stress investigation in underground large hole in permafrost soil (statics, thermoelasticity, dynamics, photoelastic strain-gauges)", Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); https://doi.org/10.1117/12.49558

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