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7 464 (0,125s) •

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REOLOGY OF MODIFICATED CEMENT PASTES IN DEPENDENCE ON KIND OF CEMENT

REOLOGY OF MODIFICATED CEMENT PASTES IN DEPENDENCE ON KIND OF CEMENT...

JN - Stavebnictví

  • 2008
    • •
  • D
Result

Properties of new types of Portland-limestone cement and Portland-composite cement (green cement) and verification of their applicability for concrete production

Current production of cement loads environment considerably and demands too much energy. International protocols require production of cement to decrease emissions of greenhouse gasses produced during firing of clinker. Mixed c...

JN - Stavebnictví

  • 2011
    • •
  • D
Result

Gypsum-free portland cement based on white cement clinker

gypsum-free portland cement; refractory cement; microstructure...

JH - Keramika, žáruvzdorné materiály a skla

  • 2000
    • •
  • D
Result

Investigation of Hydration of Quick-Setting Cement by Means of Measurement of Hydration Heat of Cement Paste, Cement Mortar and Concrete

A comparative measurement of hydration heat power of cement paste, cement mortar and concrete with CEM I 42.5R Mokrá cement is described. A specific calorimeter making possible to work with specimens up to 1500 g is used. T...

JI - Kompositní materiály

  • 2011
    • •
  • Jx
Result

Hydration Heat of Portland Cement CEM I 42.5R

Time development of hydration heat of Portland Cement CEM I 42.5R in cement paste and cement mortar is investigated in dependence on water to cement ratio. Experimental results show the influence of water to ce...

JN - Stavebnictví

  • 2011
    • •
  • Jx
Result

Impact of blended portland cements, espetialy limeston, on rheological properties of cement pastes

This article focuses on collecting available data on mixing Portland cements and especially on Portland cements with limestone. In the experimental part are compare the rheological properities of mixing Portland cements......

JN - Stavebnictví

  • 2013
    • •
  • Jx
Result

The properties of Portland cement modified by calcium aluminate cement.

The work focuses on the observation of effect of calcium aluminate cement on the hydration process, strength development and other characteristic properties of portland cement in the blends of those two cements....

JN - Stavebnictví

  • 2007
    • •
  • D
Result

3th Expert Seminar on Cement Quality

Sharing knowledge and experience between research and practice in cement industry in these branches: Portland cements with lime stone, experience with other replacement of clinker in cements, alternative fuels (experience, ...

JN - Stavebnictví

  • 2009
    • •
  • M
Result

Fundamental Properties of Industrial Hybrid Cement Important for Application in Concrete

Hybrid cement (H-Cement/HC) takes advantages of the material properties of cement and alkali-activated cement with the resulting benefit on utility properties so that hybrid cement can replace in large qua...

Mining and mineral processing

  • 2019
    • •
  • C
    • •
  • Link
Result

Variability in cement properties - influence on bleeding of cement paste

The aim of this study is to find relation between cement properties and tendency of cement paste (concrete) to bleeding. We tested 19 cement samples collected from different batches....

Materials engineering

  • 2018
    • •
  • JSC
    • •
  • Link
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