ENVIRONMENTAL GEOTECHNICS CE-488 Lecture No. 18 Prof. D N Singh Department of Civil Engineering
Mercury Intrusion Porosimetry (MIP) Geomaterials are composed of wide range of particle sizes and shapes and are porous in nature. A knowledge of pore structure of these materials is important as it can give insight in to both the microstructure and the performance. Rather than measuring the porosity, It becomes more informative if the manner in which volume is distributed With respect to pore size. Inter-connected Closed Passing Dead end
Porosity Porous solids Non-porous solids medium high surface area, pore (Extremely low surface area) volume and dimension Catalysts: Particulates activated sites on porous particle size and surface area support or powder
Shape of Pores Cylindrical Slits Spherical or Interstices Ink Bottle Conical
Ultra Pycnometer
Mercury Intrusion Gas Porometer Porosimeter
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