Development of a New Nondestructive Method for the In-Situ Determination of Mortar Strength

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21610%2F23%3A00362717" target="_blank" >RIV/68407700:21610/23:00362717 - isvavai.cz</a>

Result on the web

<a href="https://doi.org/10.3390/buildings13020273" target="_blank" >https://doi.org/10.3390/buildings13020273</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/buildings13020273" target="_blank" >10.3390/buildings13020273</a>

Result language

angličtina

Original language name

Development of a New Nondestructive Method for the In-Situ Determination of Mortar Strength

Original language description

The determination of the load bearing capacity of masonry in existing structures is not an easy task, even for experienced surveyors. For its assessment, it is necessary to know the compressive strength of the masonry units and mortar. Relatively good destructive and non-destructive methods were developed for the determination of the compressive strength of masonry units. However, mortar compressive strength determination is currently closer to a rough estimation rather than a deterministic approach. All of the currently used methods are either complicated, have a limited application, or are based on the surveyor’s experience only. Influence of the human factor on the results of testing is significant. The paper introduces the development of a new non-destructive method, which eliminates the influence of the human factor. The method is supposed to work as quickly and as easily as the Schmidt hammer used for concrete structure surveys. The new instrument was created where the compressive strength of mortar is assessed by hammering a steel bar into a joint with constant energy, while the depth of penetration is measured. The impact energy is provided by a steel spring with a prescribed stiffness, and the loading is provided by an automatic system similar to those used in air-soft guns.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20101 - Civil engineering

Project

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Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2023

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Buildings

ISSN

2075-5309

e-ISSN

2075-5309

Volume of the periodical

13(2)

Issue of the periodical within the volume

273

Country of publishing house

CH - SWITZERLAND

Number of pages

11

Pages from-to

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UT code for WoS article

000938356400001

EID of the result in the Scopus database

2-s2.0-85149224549