Experimental and theoretical assessment of the long-term strength of lightweight concrete and its components under compression and tension, taking into account the macrostructure of the material

Experimental studies of concrete static fatigue require quite laborious and time-consuming tests. Insufficient data on static fatigue for concrete and the absence of an adequate theoretical base until recently did not allow using a generalized approach to estimate static fatigue parameters for diffe...

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Main Authors:	Raupov Choriqul, Karimova Anora, Zokirov Fakhriddin, Khakimova Yoqutxon
Format:	Article
Language:	English
Published:	EDP Sciences 2021-01-01
Series:	E3S Web of Conferences
Online Access:	https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/40/e3sconf_conmechydro2021_02024.pdf

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spelling	doaj-d4eefd8ac60b45c48d62ad20c3df53822021-06-11T07:16:51ZengEDP SciencesE3S Web of Conferences2267-12422021-01-012640202410.1051/e3sconf/202126402024e3sconf_conmechydro2021_02024Experimental and theoretical assessment of the long-term strength of lightweight concrete and its components under compression and tension, taking into account the macrostructure of the materialRaupov Choriqul0Karimova Anora1Zokirov Fakhriddin2Khakimova Yoqutxon3Tashkent State Transport UniversityTashkent State Transport UniversityTashkent State Transport UniversityTashkent State Transport UniversityExperimental studies of concrete static fatigue require quite laborious and time-consuming tests. Insufficient data on static fatigue for concrete and the absence of an adequate theoretical base until recently did not allow using a generalized approach to estimate static fatigue parameters for different types of concrete. The paper presents the results of extensive experimental studies on static fatigue strength under tension and compression for lightweight concrete, mortar matrix, and hardened cement paste. A theoretical equation based on the fracture mechanics approach has been proposed and discussed for approximating experimental results and predicting static fatigue strength, which can be used for normalization of this parameter. The proposed equation displays better estimates compared to this used in the energy approach and empirical formulas.https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/40/e3sconf_conmechydro2021_02024.pdf
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Raupov Choriqul Karimova Anora Zokirov Fakhriddin Khakimova Yoqutxon
spellingShingle	Raupov Choriqul Karimova Anora Zokirov Fakhriddin Khakimova Yoqutxon Experimental and theoretical assessment of the long-term strength of lightweight concrete and its components under compression and tension, taking into account the macrostructure of the material E3S Web of Conferences
author_facet	Raupov Choriqul Karimova Anora Zokirov Fakhriddin Khakimova Yoqutxon
author_sort	Raupov Choriqul
title	Experimental and theoretical assessment of the long-term strength of lightweight concrete and its components under compression and tension, taking into account the macrostructure of the material
title_short	Experimental and theoretical assessment of the long-term strength of lightweight concrete and its components under compression and tension, taking into account the macrostructure of the material
title_full	Experimental and theoretical assessment of the long-term strength of lightweight concrete and its components under compression and tension, taking into account the macrostructure of the material
title_fullStr	Experimental and theoretical assessment of the long-term strength of lightweight concrete and its components under compression and tension, taking into account the macrostructure of the material
title_full_unstemmed	Experimental and theoretical assessment of the long-term strength of lightweight concrete and its components under compression and tension, taking into account the macrostructure of the material
title_sort	experimental and theoretical assessment of the long-term strength of lightweight concrete and its components under compression and tension, taking into account the macrostructure of the material
publisher	EDP Sciences
series	E3S Web of Conferences
issn	2267-1242
publishDate	2021-01-01
description	Experimental studies of concrete static fatigue require quite laborious and time-consuming tests. Insufficient data on static fatigue for concrete and the absence of an adequate theoretical base until recently did not allow using a generalized approach to estimate static fatigue parameters for different types of concrete. The paper presents the results of extensive experimental studies on static fatigue strength under tension and compression for lightweight concrete, mortar matrix, and hardened cement paste. A theoretical equation based on the fracture mechanics approach has been proposed and discussed for approximating experimental results and predicting static fatigue strength, which can be used for normalization of this parameter. The proposed equation displays better estimates compared to this used in the energy approach and empirical formulas.
url	https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/40/e3sconf_conmechydro2021_02024.pdf
work_keys_str_mv	AT raupovchoriqul experimentalandtheoreticalassessmentofthelongtermstrengthoflightweightconcreteanditscomponentsundercompressionandtensiontakingintoaccountthemacrostructureofthematerial AT karimovaanora experimentalandtheoreticalassessmentofthelongtermstrengthoflightweightconcreteanditscomponentsundercompressionandtensiontakingintoaccountthemacrostructureofthematerial AT zokirovfakhriddin experimentalandtheoreticalassessmentofthelongtermstrengthoflightweightconcreteanditscomponentsundercompressionandtensiontakingintoaccountthemacrostructureofthematerial AT khakimovayoqutxon experimentalandtheoreticalassessmentofthelongtermstrengthoflightweightconcreteanditscomponentsundercompressionandtensiontakingintoaccountthemacrostructureofthematerial
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Experimental and theoretical assessment of the long-term strength of lightweight concrete and its components under compression and tension, taking into account the macrostructure of the material

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