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Filtry

10 180 (0,064s)

Výsledek výzkumu

Resistance test of PE insulation against UV radiation according to the undisclosed annex No. 1

Tests of accelerated weather deterioration for insultaion samples of steel tubes from Arcelor Mittal.

Inorganic and nuclear chemistry

  • 2018
  • O
Výsledek výzkumu

The Characterization of Weathering Processes and their Influence on the Durability of Sandstones used in historical building objects

Sandstones were often used as a mainly historical building material in the Czech Republic. As any other building material they undergo weathering processes and so are damaged. There are described the basic factors of weathering proc...

JN - Stavebnictví

  • 2009
  • C
Výsledek výzkumu

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

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...

JB - Senzory, čidla, měření a regulace

  • 2011
  • D
Výsledek výzkumu

Influence of weathering processes on geotechnical properties of building rocks

in the Czech Republic. As any other building material they undergo weathering processes and so are damaged. There are described the basic factors of weathering processes. The range of the deterioration of rock depends on t...

JM - Inženýrské stavitelství

  • 2010
  • D
Výsledek výzkumu

Influence of Weathering Processes on Geotechnical Properties of Sandstones - The Simulation of Prague Winter Climatic Conditions

in the Czech Republic. As any other building material they undergo weathering processes and so are damaged. There are described the basic factors of weathering processes. The rangeof the deterioration of the rock depends o...

JN - Stavebnictví

  • 2010
  • D
Výsledek výzkumu

Influence of Weathering Processes on Geotechnical Properties of Sandstones - The Simulation of Prague Winter Climatic Conditions

in the Czech Republic. As any other building material they undergo weathering processes and so are damaged. There are described the basic factors of weathering processes. The rangeof the deterioration of the rock depends o...

JN - Stavebnictví

  • 2010
  • D
Výsledek výzkumu

Prague's Winter Climatic Conditions - A Case Study of Sandstone Weathering

Weathering processes lead to deterioration of dimension stones and to changes in their durability. The range of the deterioration depends on petrography, including internal structure, mineral and matrix composition, and als...

JN - Stavebnictví

  • 2012
  • Jx
  • Odkaz
Výsledek výzkumu

Elastic anisotropy, permeability, and freeze-thaw cycling of rapakivi granite

and also responsible for observed frost weathering deterioration. Both ultrasonicDue to the ice-water transition, frost weathering in cold regions has always been in focus as a rock deterioration mechanism. Intern...

Environmental and geological engineering, geotechnics

  • 2020
  • Jimp
  • Odkaz
Výsledek výzkumu

Pravcice Rock Arch (Bohemian Switzerland National Park, Czech Republic) deterioration due to natural and anthropogenic weathering

The in situ monitoring shows the progressive development of distinct weathering forms (delamination of case-hardened rock surfaces, cyclic efflorescence, and granular disintegration of exposed weakly cemented rock mass) in specific portions ...

AL - Umění, architektura, kulturní dědictví

  • 2011
  • Jx
  • Odkaz
Výsledek výzkumu

Influence of Weathering Processes on Sandstones - Simulation of Prague Winter Climatic Conditions

Republic. As any other building material they undergo weathering processes and so are demaged. In this article there are described the basic factors of weathering processes and their influence on the durability of sandstones. The r...

JN - Stavebnictví

  • 2010
  • D
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