Some Aspects of Cellulose Ethers Influence on Water Transport and Porous Structure of Cement-based Materials

This paper evaluates and compares the impact of cellulose ethers (CE) on water transport and porous structure of cement-based materials in both fresh and hardened state. Investigations of the porous network (mercury intrusion porosimetry, apparent density, 2- and 3-D observations) emphasize an air-entrained stabilization depending on CE chemistry. It is also highlighted that CE chemistry leads to a gradual effect on characteristics of the water transport. Global tendencies brought by CE are: higher water retention, lower capillarity water absorption, lower liquid water permeability as well as higher water vapour permeability. It is demonstrated that CE chemistry is an important controlling factor on water transport and porous structure evolution.

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  • English

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  • Accession Number: 01152141
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Feb 18 2010 10:32AM