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Material properties of portland cement paste with nano-montmorillonite

โœ Scribed by Ta-Peng Chang; Jeng-Ywan Shih; Kuo-Ming Yang; Tien-Chin Hsiao


Publisher
Springer
Year
2007
Tongue
English
Weight
804 KB
Volume
42
Category
Article
ISSN
0022-2461

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๐Ÿ“œ SIMILAR VOLUMES


Properties of portland cement paste rein
โœ J.J. Beaudoin ๐Ÿ“‚ Article ๐Ÿ“… 1983 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 426 KB

Results of an investigation of the use of high-aspect-ratlo mica flakes in hardened portland cement matrices are reported. Increases in flexural strength by a factor of 2 and in fracture toughness by a factor of 4, depending on matrix porosity, are obtained by the addition of small amounts of mica.

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A freshly made Portland cement paste is a very unusual fluid. It behaves like a colloidal suspension, although cement particles are much coarser than conventional colloid size. The origins of this colloidal behaviour of a cement paste have been traced to high density and high viscosity of the paste

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Properties such as porosity, pore-slze distribution, surface area and drying shrinkage are determined for silica fume-portland cement blends (0-30% silica fume) cured from I to 180 days at w/(c+sf) of 0.25 and 0.45. Porosity was measured by helium, mercury and water techniques. It is shown that in p

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The elastic properties of the most important phases present in cement pastes have been studied by force field atomistic methods. Calculations reproduce the mechanical properties of crystalline species alite, belite and portlandite fairly well. The elastic properties of amorphous calcium-silicate-hyd

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Mechanical properties of Ca(OH) 2 are compared with those of portland cement paste at different por?slties. Intrinsic values of modulus of elasticity (E) and mlcrohardness (H) for Ca(OH) 2 compacts were obtained by extrapolatlng to zero porosity log E and log H versus porosity curves. The values for