Using the complex methodology of analysis of the behavior of cement composites containing silicate additives at elevated temperatures

Fedosov, S. V.; Levashov, Nikita; Akulova, M. V.; Potemkina, O. V.; Zhivotyagina, S. N.

doi:10.18322/pvb.2016.25.12.14-21

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2018

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“…Upon the earlier developed approach to the evaluation of behavior of cement compositions of building structures [7,8,9], the work aimed at the search and integration of existing mathematical models for complex behavioral analysis of cement compositions of building structures at elevated temperatures was carried out. The dimensional method had been taken as an underlying theory for mathematical evaluation of ultimate limit state point in the case of fire by strength loss (R).…”

Section: Methodsmentioning

confidence: 99%

Applying the dimensional method for valuation of the strength loss of cement compositions exposed to elevated temperatures

et al. 2018

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The paper presents the basis of the analytical model for calcu-lating the loss of strength in ce-ment compositions exposed to elevated temperatures. This model is to replace the classical method of calculating the fire resistance of the loss of load-bearing capacity. The experimental data were taken as initial indicators. Based on the implemented calculations it would become possible to predict the occurrence of ultimate state by loss strength and the reliability of practical indicators obtained by means of full-scale tests

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Section: Methodsmentioning

confidence: 99%