Durability assessment of stones for renovation of historic buildings

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F16%3A00301215" target="_blank" >RIV/68407700:21110/16:00301215 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Durability assessment of stones for renovation of historic buildings

Popis výsledku v původním jazyce

The primary concern in selection of stones for renovation of historic buildings is authenticity. Unfortunately many of quarries used as source of building blocks are abandoned nowadays and an alternative source of rock has to be employed. In this case again the appearance and compatibility with the current structure are crucial but durability of the rock should be taken into account as well. The present paper deals with durability of several kinds of sandstones with high porosity which are available for renovation works in Czech Republic. The durability of stones is conventionally assessed by means of freezing/thawing cycles and measurement of dynamic Young’s modulus of stone. Its decrease with number of loading cycles is able to detect progress of cracks and fissures in the material. Nevertheless the freezing cycles are not the only one environmental impact on stones; they are heavily damaged also by salts crystallization in pores. The importance of factors influencing the stones’ sensitivity to particular environmental actions such are their mechanical properties and microstructure are discussed. The obtained results will help to ensure responsible selection of renovation stones whose sufficient durability is contributing to reduction of natural resources consumption.

Název v anglickém jazyce

Durability assessment of stones for renovation of historic buildings

Popis výsledku anglicky

The primary concern in selection of stones for renovation of historic buildings is authenticity. Unfortunately many of quarries used as source of building blocks are abandoned nowadays and an alternative source of rock has to be employed. In this case again the appearance and compatibility with the current structure are crucial but durability of the rock should be taken into account as well. The present paper deals with durability of several kinds of sandstones with high porosity which are available for renovation works in Czech Republic. The durability of stones is conventionally assessed by means of freezing/thawing cycles and measurement of dynamic Young’s modulus of stone. Its decrease with number of loading cycles is able to detect progress of cracks and fissures in the material. Nevertheless the freezing cycles are not the only one environmental impact on stones; they are heavily damaged also by salts crystallization in pores. The importance of factors influencing the stones’ sensitivity to particular environmental actions such are their mechanical properties and microstructure are discussed. The obtained results will help to ensure responsible selection of renovation stones whose sufficient durability is contributing to reduction of natural resources consumption.

Druh

D - Stať ve sborníku

CEP obor

JN - Stavebnictví

OECD FORD obor

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Projekt

<a href="/cs/project/GA14-17207S" target="_blank" >GA14-17207S: Transportní parametry a trvanlivost porézních hornin</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2016

Kód důvěrnosti údajů

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

Název statě ve sborníku

Central Europe towards Sustainable Building 2016 - Innovations for Sustainable Future

ISBN

978-80-271-0248-8

ISSN

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e-ISSN

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Počet stran výsledku

4

Strana od-do

1133-1136

Název nakladatele

GRADA PUBLISHING

Místo vydání

Praha

Místo konání akce

Prague

Datum konání akce

22. 6. 2016

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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