Comparison and Use of Hg Porosimetry and X-ray Computed Microtomography in Durability Tests of Sandstone on the Charles Bridge in Prague

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F11%3A00182702" target="_blank" >RIV/68407700:21110/11:00182702 - isvavai.cz</a>

Výsledek na webu

—

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

Comparison and Use of Hg Porosimetry and X-ray Computed Microtomography in Durability Tests of Sandstone on the Charles Bridge in Prague

Popis výsledku v původním jazyce

Sandstones were often used as dominant building material in medieval Prague. Weathering processes lead to deterioration of these dimension stones and to changes in their durability. The range of the deterioration depends on petrography, including internal structure, mineral composition and cementation type, and also changes initiated. A special weathering simulation program was developed to enable study the durability of sandstone in Prague winter climatic conditions. The Kocbeře cretaceous sandstone used for the last reconstruction of the Charles bridge in Prague was tested during this experiment. Changes developing in the internal structure were determined by Hg porosimetry and X-ray computed microtomography. The relationship between uniaxial compressive strength and porosity were studied during this experiment. It was ascertained that the decrease of uniaxial compressive strength is accompanied by growth of the volume of closed pores.

Název v anglickém jazyce

Comparison and Use of Hg Porosimetry and X-ray Computed Microtomography in Durability Tests of Sandstone on the Charles Bridge in Prague

Popis výsledku anglicky

Sandstones were often used as dominant building material in medieval Prague. Weathering processes lead to deterioration of these dimension stones and to changes in their durability. The range of the deterioration depends on petrography, including internal structure, mineral composition and cementation type, and also changes initiated. A special weathering simulation program was developed to enable study the durability of sandstone in Prague winter climatic conditions. The Kocbeře cretaceous sandstone used for the last reconstruction of the Charles bridge in Prague was tested during this experiment. Changes developing in the internal structure were determined by Hg porosimetry and X-ray computed microtomography. The relationship between uniaxial compressive strength and porosity were studied during this experiment. It was ascertained that the decrease of uniaxial compressive strength is accompanied by growth of the volume of closed pores.

Druh

D - Stať ve sborníku

CEP obor

JB - Senzory, čidla, měření a regulace

OECD FORD obor

—

Projekt

—

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2011

Kód důvěrnosti údajů

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

Název statě ve sborníku

Measurement 2011 - 8th International Conference on Measurement (Proceedings)

ISBN

978-80-969672-4-7

ISSN

—

e-ISSN

—

Počet stran výsledku

4

Strana od-do

127-130

Název nakladatele

Institute of Measurement Science

Místo vydání

Bratislava

Místo konání akce

Smolenice

Datum konání akce

27. 4. 2011

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

—