A. T. Hussein’s research while affiliated with National Research Center, Egypt and other places


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Publications (3)


THERMAL CHARACTERISTICS OF BUILDING MATERIALS.
  • Article

September 1972

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15 Reads

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2 Citations

A. Saleh

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A.T. Hussein

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M.Adbel Maksoud

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S.M. Elwan

The thermal characteristics of hydrothermally-treated building materials based on industrial or agricultural waste were investigated. To evaluate the heat insulation properties of the building materials investigated, their thermal condutivities, specific heats and specific weights were determined.


The hydrothermal preparation of sodium silicate

June 1972

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31 Reads

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1 Citation

Journal of Applied Chemistry and Biotechnology

A comparatively high steam pressure should be used to give complete sodium silicate formation from the starting materials. Moreover, a higher steam pressure is required in the case of using sodium carbonate than on using sodium hydroxide. Sodium metasilicate hydrate prepared under a low steam pressure (2.5 atm)a appears to be amorphous in nature while that prepared from sodium hydroxide or sodium carbonate at a higher steam pressure is crystalline and very similar to the metasilicate hydrate with the formula Na2SiO3. 9H2O. However, the metasilicate prepared from sodium carbonate appears to be poorly crystalline due to the presence, in the prepared material, of an appreciable amount of sodium carbonate.


Load-bearing constructional units from the ash of rice hulls

January 1970

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7 Reads

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2 Citations

Materials and Structures

The completely decarbonized ash residue of rice hulls was mixed with 15% hydrated lime and subjected to different conditions of hydrothermal treatments. Results showed that a calcium silicate hydrate probably an ill defined form of tobermorite, is the main component of the cured samples together with small residual amounts of hydrated silica and lime. The products obtained showed reasonable values of apparent porosity, bulk density and water absorption as well as high compressive strength. These properties became more improved on treating the materials at higher steam pressure, a case which is probably connected with the formation of a more well defined form of tobermorite at such condition.

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Citations (2)


... Several studies have been conducted and published on local building materials. Laaroussi et al [8,9] studied the thermophysical properties of clay stabilised with esparto fibres using the asymmetric hot plane method, the average conductivity obtained is 0.346 W/m.K. Pierre Meukam [10] studied the thermal and mechanical properties of laterite stabilised with cement for building thermal insulation. The box method was used to estimate the thermal conductivity of the laterite plus 8% cement mixture. ...

Reference:

STUDY OF THE THERMOCHEMICAL AND MECHANICAL PROPERTIES OF LATERITE BRICKS STABILISED WITH CEMENTS
THERMAL CHARACTERISTICS OF BUILDING MATERIALS.
  • Citing Article
  • September 1972

... A number of applications have been proposed for rice-hull ash (Chandrasekhar et al., 2003;Gorthy and Mukunda, 1999;Maksoud et al., 1970;Patel and Prasanna, 1987;Rodrigues and Monteiro, 1999;Souza et al., 2000). According to the literature, silica concentrations in dry rice-hulls can be as high as 21.5 wt.%. ...

Load-bearing constructional units from the ash of rice hulls
  • Citing Article
  • January 1970

Materials and Structures