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THE ANALYSIS OF METHODOLOGIES FOR TESTING COMPRESSIVE STRENGTH IN MASONRY MORTAR JOINTS / MŪRO SKIEDINIO GULSČIOJOJE SIŪLĖJE GNIUŽDOMOJO STIPRIO TYRIMŲ METODŲ ANALIZĖ

Tomas Šlivinskas

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Abstract

The article analyzes masonry as composite material and presents the factors that affect the mechanical characteristics of masonry. The article also deals with the most frequently used destructive and non-destructive testing methods for the compressive strength of masonry mortar as well as related advantages and disadvantages. Moreover, the analysis of methods for testing ultrasonic waves has been carried out. The article reveals that for using the methodology of testing a mortar bonded wafer, the compressive strength correlation of masonry mortar is set between the ascertainment of masonry mortar strength using a regular mortar testing methodology (LST EN 1015-11:2004) and the compressive strength of mortar possibly taken from masonry joints. The obtained results of an experimental study on the samples have demonstrated that the strength reduction ratio of masonry mortar depends on the compressive strength of mortar. The value of the ratio is increasing with the descending compressive strength of mortar. Šiame straipsnyje nagrinėjamas mūras kaip kompozitinė medžiaga. Apžvelgiami veiksniai, veikiantys mechanines mūro charakteristikas. Išnagrinėti dažniausiai taikomi mūro skiedinio gniuždomojo stiprio tyrimų metodai, pateikti metodų privalumai ir trūkumai. Straipsnyje, taikant klijuotų skiedinio plokštelių bandymo metodiką, nustatyta mūro skiedinio gniuždomojo stiprio priklausomybė tarp mūro skiedinio stiprio nustatymo pagal įprastinę skiedinio bandymo metodiką ir skiedinio, tikėtina, paimto iš mūro siūlės, gniuždomojo stiprio.

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The article analyzes masonry as composite material and presents the factors that affect the mechanical characteristics of masonry. The article also deals with the most frequently used destructive and non-destructive testing methods for the compressive strength of masonry mortar as well as related advantages and disadvantages. Moreover, the analysis of methods for testing ultrasonic waves has been carried out. The article reveals that for using the methodology of testing a mortar bonded wafer, the compressive strength correlation of masonry mortar is set between the ascertainment of masonry mortar strength using a regular mortar testing methodology (LST EN 1015-11:2004) and the compressive strength of mortar possibly taken from masonry joints. The obtained results of an experimental study on the samples have demonstrated that the strength reduction ratio of masonry mortar depends on the compressive strength of mortar. The value of the ratio is increasing with the descending compressive strength of mortar. Šiame straipsnyje nagrinėjamas mūras kaip kompozitinė medžiaga. Apžvelgiami veiksniai, veikiantys mechanines mūro charakteristikas. Išnagrinėti dažniausiai taikomi mūro skiedinio gniuždomojo stiprio tyrimų metodai, pateikti metodų privalumai ir trūkumai. Straipsnyje, taikant klijuotų skiedinio plokštelių bandymo metodiką, nustatyta mūro skiedinio gniuždomojo stiprio priklausomybė tarp mūro skiedinio stiprio nustatymo pagal įprastinę skiedinio bandymo metodiką ir skiedinio, tikėtina, paimto iš mūro siūlės, gniuždomojo stiprio.

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Available abstract

The article analyzes masonry as composite material and presents the factors that affect the mechanical characteristics of masonry. The article also deals with the most frequently used destructive and non-destructive testing methods for the compressive strength of masonry mortar as well as related advantages and disadvantages. Moreover, the analysis of methods for testing ultrasonic waves has been carried out. The article reveals that for using the methodology of testing a mortar bonded wafer, the compressive strength correlation of masonry mortar is set between the ascertainment of masonry mortar strength using a regular mortar testing methodology (LST EN 1015-11:2004) and the compressive strength of mortar possibly taken from masonry joints. The obtained results of an experimental study on the samples have demonstrated that the strength reduction ratio of masonry mortar depends on the compressive strength of mortar. The value of the ratio is increasing with the descending compressive strength of mortar. Šiame straipsnyje nagrinėjamas mūras kaip kompozitinė medžiaga. Apžvelgiami veiksniai, veikiantys mechanines mūro charakteristikas. Išnagrinėti dažniausiai taikomi mūro skiedinio gniuždomojo stiprio tyrimų metodai, pateikti metodų privalumai ir trūkumai. Straipsnyje, taikant klijuotų skiedinio plokštelių bandymo metodiką, nustatyta mūro skiedinio gniuždomojo stiprio priklausomybė tarp mūro skiedinio stiprio nustatymo pagal įprastinę skiedinio bandymo metodiką ir skiedinio, tikėtina, paimto iš mūro siūlės, gniuždomojo stiprio.

Key concepts: Masonry, Mortar, Compressive strength, Materials science, Geotechnical engineering, Composite material, Structural engineering, Engineering

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THE ANALYSIS OF METHODOLOGIES FOR TESTING COMPRESSIVE STRENGTH IN MASONRY MORTAR JOINTS / MŪRO SKIEDINIO GULSČIOJOJE SIŪLĖJE GNIUŽDOMOJO STIPRIO TYRIMŲ METODŲ ANALIZĖ — Research Paper | ScholarLens