Elastic Modulus Prediction Model of Foamed Concrete Based on the Walsh Formula

Foamed concrete consists of cement matrix and air-foam and has more complicated structure characteristics than normal concrete. However, current research on the elastic modulus of foamed concrete is still limited to empirical equations. In this work, a new theoretical prediction model was proposed f...
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Autor*in:	Zhong Zhou [verfasserIn] Jiangfeng Hu [verfasserIn] Fan Li [verfasserIn] Junjie Zhang [verfasserIn] Mingfeng Lei [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	foamed concrete elastic modulus Walsh formula two-layer embedded model spherical pore assumption mesomechanics

Übergeordnetes Werk:	In: Applied Sciences - MDPI AG, 2012, 12(2022), 10, p 5142
Übergeordnetes Werk:	volume:12 ; year:2022 ; number:10, p 5142

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/app12105142

Katalog-ID:	DOAJ022353682

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520			\|a Foamed concrete consists of cement matrix and air-foam and has more complicated structure characteristics than normal concrete. However, current research on the elastic modulus of foamed concrete is still limited to empirical equations. In this work, a new theoretical prediction model was proposed for calculating the elastic modulus of foamed concrete. The elastic modulus calculation model for the spherical shell element of foamed concrete is constructed based on the Walsh formula and the assumption of spherical pores. Moreover, the theoretical prediction model is established by introducing the two-layer embedded model for the elastic modulus of foamed concrete. Then, the compressive test is employed to verify the accuracy of the model. The results show that the elastic modulus of foamed concrete decreases with the increase in porosity and matrix Poisson’s ratio, and increases with the increase in the matrix elastic modulus. The research results can improve the mechanical theories of foamed concrete materials and have good engineering application values.
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spelling	10.3390/app12105142 doi (DE-627)DOAJ022353682 (DE-599)DOAJ910fd33936b84ba5ac8c3235c4c24dae DE-627 ger DE-627 rakwb eng TA1-2040 QH301-705.5 QC1-999 QD1-999 Zhong Zhou verfasserin aut Elastic Modulus Prediction Model of Foamed Concrete Based on the Walsh Formula 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Foamed concrete consists of cement matrix and air-foam and has more complicated structure characteristics than normal concrete. However, current research on the elastic modulus of foamed concrete is still limited to empirical equations. In this work, a new theoretical prediction model was proposed for calculating the elastic modulus of foamed concrete. The elastic modulus calculation model for the spherical shell element of foamed concrete is constructed based on the Walsh formula and the assumption of spherical pores. Moreover, the theoretical prediction model is established by introducing the two-layer embedded model for the elastic modulus of foamed concrete. Then, the compressive test is employed to verify the accuracy of the model. The results show that the elastic modulus of foamed concrete decreases with the increase in porosity and matrix Poisson’s ratio, and increases with the increase in the matrix elastic modulus. The research results can improve the mechanical theories of foamed concrete materials and have good engineering application values. foamed concrete elastic modulus Walsh formula two-layer embedded model spherical pore assumption mesomechanics Technology T Engineering (General). Civil engineering (General) Biology (General) Physics Chemistry Jiangfeng Hu verfasserin aut Fan Li verfasserin aut Junjie Zhang verfasserin aut Mingfeng Lei verfasserin aut In Applied Sciences MDPI AG, 2012 12(2022), 10, p 5142 (DE-627)737287640 (DE-600)2704225-X 20763417 nnns volume:12 year:2022 number:10, p 5142 https://doi.org/10.3390/app12105142 kostenfrei https://doaj.org/article/910fd33936b84ba5ac8c3235c4c24dae kostenfrei https://www.mdpi.com/2076-3417/12/10/5142 kostenfrei https://doaj.org/toc/2076-3417 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2022 10, p 5142
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allfieldsSound	10.3390/app12105142 doi (DE-627)DOAJ022353682 (DE-599)DOAJ910fd33936b84ba5ac8c3235c4c24dae DE-627 ger DE-627 rakwb eng TA1-2040 QH301-705.5 QC1-999 QD1-999 Zhong Zhou verfasserin aut Elastic Modulus Prediction Model of Foamed Concrete Based on the Walsh Formula 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Foamed concrete consists of cement matrix and air-foam and has more complicated structure characteristics than normal concrete. However, current research on the elastic modulus of foamed concrete is still limited to empirical equations. In this work, a new theoretical prediction model was proposed for calculating the elastic modulus of foamed concrete. The elastic modulus calculation model for the spherical shell element of foamed concrete is constructed based on the Walsh formula and the assumption of spherical pores. Moreover, the theoretical prediction model is established by introducing the two-layer embedded model for the elastic modulus of foamed concrete. Then, the compressive test is employed to verify the accuracy of the model. The results show that the elastic modulus of foamed concrete decreases with the increase in porosity and matrix Poisson’s ratio, and increases with the increase in the matrix elastic modulus. The research results can improve the mechanical theories of foamed concrete materials and have good engineering application values. foamed concrete elastic modulus Walsh formula two-layer embedded model spherical pore assumption mesomechanics Technology T Engineering (General). Civil engineering (General) Biology (General) Physics Chemistry Jiangfeng Hu verfasserin aut Fan Li verfasserin aut Junjie Zhang verfasserin aut Mingfeng Lei verfasserin aut In Applied Sciences MDPI AG, 2012 12(2022), 10, p 5142 (DE-627)737287640 (DE-600)2704225-X 20763417 nnns volume:12 year:2022 number:10, p 5142 https://doi.org/10.3390/app12105142 kostenfrei https://doaj.org/article/910fd33936b84ba5ac8c3235c4c24dae kostenfrei https://www.mdpi.com/2076-3417/12/10/5142 kostenfrei https://doaj.org/toc/2076-3417 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2022 10, p 5142
language	English
source	In Applied Sciences 12(2022), 10, p 5142 volume:12 year:2022 number:10, p 5142
sourceStr	In Applied Sciences 12(2022), 10, p 5142 volume:12 year:2022 number:10, p 5142
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topic_facet	foamed concrete elastic modulus Walsh formula two-layer embedded model spherical pore assumption mesomechanics Technology T Engineering (General). Civil engineering (General) Biology (General) Physics Chemistry
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container_title	Applied Sciences
authorswithroles_txt_mv	Zhong Zhou @@aut@@ Jiangfeng Hu @@aut@@ Fan Li @@aut@@ Junjie Zhang @@aut@@ Mingfeng Lei @@aut@@
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However, current research on the elastic modulus of foamed concrete is still limited to empirical equations. In this work, a new theoretical prediction model was proposed for calculating the elastic modulus of foamed concrete. The elastic modulus calculation model for the spherical shell element of foamed concrete is constructed based on the Walsh formula and the assumption of spherical pores. Moreover, the theoretical prediction model is established by introducing the two-layer embedded model for the elastic modulus of foamed concrete. Then, the compressive test is employed to verify the accuracy of the model. The results show that the elastic modulus of foamed concrete decreases with the increase in porosity and matrix Poisson’s ratio, and increases with the increase in the matrix elastic modulus. 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callnumber-first	T - Technology
author	Zhong Zhou
spellingShingle	Zhong Zhou misc TA1-2040 misc QH301-705.5 misc QC1-999 misc QD1-999 misc foamed concrete misc elastic modulus misc Walsh formula misc two-layer embedded model misc spherical pore assumption misc mesomechanics misc Technology misc T misc Engineering (General). Civil engineering (General) misc Biology (General) misc Physics misc Chemistry Elastic Modulus Prediction Model of Foamed Concrete Based on the Walsh Formula
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topic_title	TA1-2040 QH301-705.5 QC1-999 QD1-999 Elastic Modulus Prediction Model of Foamed Concrete Based on the Walsh Formula foamed concrete elastic modulus Walsh formula two-layer embedded model spherical pore assumption mesomechanics
topic	misc TA1-2040 misc QH301-705.5 misc QC1-999 misc QD1-999 misc foamed concrete misc elastic modulus misc Walsh formula misc two-layer embedded model misc spherical pore assumption misc mesomechanics misc Technology misc T misc Engineering (General). Civil engineering (General) misc Biology (General) misc Physics misc Chemistry
topic_unstemmed	misc TA1-2040 misc QH301-705.5 misc QC1-999 misc QD1-999 misc foamed concrete misc elastic modulus misc Walsh formula misc two-layer embedded model misc spherical pore assumption misc mesomechanics misc Technology misc T misc Engineering (General). Civil engineering (General) misc Biology (General) misc Physics misc Chemistry
topic_browse	misc TA1-2040 misc QH301-705.5 misc QC1-999 misc QD1-999 misc foamed concrete misc elastic modulus misc Walsh formula misc two-layer embedded model misc spherical pore assumption misc mesomechanics misc Technology misc T misc Engineering (General). Civil engineering (General) misc Biology (General) misc Physics misc Chemistry
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title	Elastic Modulus Prediction Model of Foamed Concrete Based on the Walsh Formula
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title_full	Elastic Modulus Prediction Model of Foamed Concrete Based on the Walsh Formula
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title_sort	elastic modulus prediction model of foamed concrete based on the walsh formula
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title_auth	Elastic Modulus Prediction Model of Foamed Concrete Based on the Walsh Formula
abstract	Foamed concrete consists of cement matrix and air-foam and has more complicated structure characteristics than normal concrete. However, current research on the elastic modulus of foamed concrete is still limited to empirical equations. In this work, a new theoretical prediction model was proposed for calculating the elastic modulus of foamed concrete. The elastic modulus calculation model for the spherical shell element of foamed concrete is constructed based on the Walsh formula and the assumption of spherical pores. Moreover, the theoretical prediction model is established by introducing the two-layer embedded model for the elastic modulus of foamed concrete. Then, the compressive test is employed to verify the accuracy of the model. The results show that the elastic modulus of foamed concrete decreases with the increase in porosity and matrix Poisson’s ratio, and increases with the increase in the matrix elastic modulus. The research results can improve the mechanical theories of foamed concrete materials and have good engineering application values.
abstractGer	Foamed concrete consists of cement matrix and air-foam and has more complicated structure characteristics than normal concrete. However, current research on the elastic modulus of foamed concrete is still limited to empirical equations. In this work, a new theoretical prediction model was proposed for calculating the elastic modulus of foamed concrete. The elastic modulus calculation model for the spherical shell element of foamed concrete is constructed based on the Walsh formula and the assumption of spherical pores. Moreover, the theoretical prediction model is established by introducing the two-layer embedded model for the elastic modulus of foamed concrete. Then, the compressive test is employed to verify the accuracy of the model. The results show that the elastic modulus of foamed concrete decreases with the increase in porosity and matrix Poisson’s ratio, and increases with the increase in the matrix elastic modulus. The research results can improve the mechanical theories of foamed concrete materials and have good engineering application values.
abstract_unstemmed	Foamed concrete consists of cement matrix and air-foam and has more complicated structure characteristics than normal concrete. However, current research on the elastic modulus of foamed concrete is still limited to empirical equations. In this work, a new theoretical prediction model was proposed for calculating the elastic modulus of foamed concrete. The elastic modulus calculation model for the spherical shell element of foamed concrete is constructed based on the Walsh formula and the assumption of spherical pores. Moreover, the theoretical prediction model is established by introducing the two-layer embedded model for the elastic modulus of foamed concrete. Then, the compressive test is employed to verify the accuracy of the model. The results show that the elastic modulus of foamed concrete decreases with the increase in porosity and matrix Poisson’s ratio, and increases with the increase in the matrix elastic modulus. The research results can improve the mechanical theories of foamed concrete materials and have good engineering application values.
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container_issue	10, p 5142
title_short	Elastic Modulus Prediction Model of Foamed Concrete Based on the Walsh Formula
url	https://doi.org/10.3390/app12105142 https://doaj.org/article/910fd33936b84ba5ac8c3235c4c24dae https://www.mdpi.com/2076-3417/12/10/5142 https://doaj.org/toc/2076-3417
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Elastic Modulus Prediction Model of Foamed Concrete Based on the Walsh Formula

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