BR9804674A - Stabilized soil for thermal dissipation - Google Patents
Stabilized soil for thermal dissipationInfo
- Publication number
- BR9804674A BR9804674A BR9804674A BR9804674A BR9804674A BR 9804674 A BR9804674 A BR 9804674A BR 9804674 A BR9804674 A BR 9804674A BR 9804674 A BR9804674 A BR 9804674A BR 9804674 A BR9804674 A BR 9804674A
- Authority
- BR
- Brazil
- Prior art keywords
- soil
- thermal
- thermal resistivity
- humidity
- stabilized
- Prior art date
Links
Abstract
"Solo Estabilizado para Dissipação Térmica". Trata-se de uma mistura usada para recobrimento de linhas de transmissão de energia elétrica por cabos subterrâneos. A mistura tem características geomecânicas que lhe conferem baixa resistividade térmica, da ordem de 0,50°C.m/W, quando compactada na umidade ótima. Tal mistura é composta por solo de gnaisse argilo-areno pouco siltoso misturado com 25% de caulim, saturado com íons polivalentes Ca^ ++^ ou Mg^ ++^ a 4% (40 g de CaCO~ 3~ ou MgCO~ 3~/litro de água). O Solo Estabilizado para Dissipação Térmica quando secado, atingindo umidade da ordem de 0,5%, fornece resistividade térmica menor que 1,0°C.m/W. Para umidades inferiores a 0,5% são obtidos valores de resistividade térmica entre 1,0 a 1,1°C.m/W. Variações no percentual dos materiais componentes do Solo Estabilizado para Dissipação Térmica, forneceram baixa resistividade térmica (da ordem de 0,42°C.m/W) para compactação em torno da umidade ótima. Tal resistividade térmica foi obtida usando-se caulim bruto, contendo aproximadamente 60% de caulinita pura, saturado com íons polivalentes de Ca^ ++^ ou Mg^ ++^ a 4% (40 g de CaCO~ 3~ ou MgCO~ 3~/litro de água)."Stabilized Soil for Thermal Dissipation". It is a mixture used to cover electrical energy transmission lines by underground cables. The mixture has geomechanical characteristics that give it low thermal resistivity, in the order of 0.50 ° C.m / W, when compacted in the optimum humidity. Such mixture is composed of low-silt clay-arene gneiss soil mixed with 25% kaolin, saturated with 4% Ca ^ ++ ^ or 4% Mg ^ ++ ^ ions (40 g of CaCO ~ 3 ~ or MgCO ~ 3 ~ / liter of water). The Soil Stabilized for Thermal Dissipation when dried, reaching humidity of the order of 0.5%, provides thermal resistivity below 1.0 ° C.m / W. For humidity below 0.5%, thermal resistivity values between 1.0 to 1.1 ° C.m / W are obtained. Variations in the percentage of the component materials of the Soil Stabilized for Thermal Dissipation, provided low thermal resistivity (in the order of 0.42 ° C.m / W) for compaction around the optimum humidity. Such thermal resistivity was obtained using crude kaolin, containing approximately 60% pure kaolinite, saturated with polyvalent ions of Ca ^ ++ ^ or 4% Mg ^ ++ ^ (40 g of CaCO ~ 3 ~ or MgCO ~ 3 ~ / liter of water).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9804674A BR9804674A (en) | 1998-11-18 | 1998-11-18 | Stabilized soil for thermal dissipation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9804674A BR9804674A (en) | 1998-11-18 | 1998-11-18 | Stabilized soil for thermal dissipation |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9804674A true BR9804674A (en) | 2000-04-04 |
Family
ID=4070931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9804674A BR9804674A (en) | 1998-11-18 | 1998-11-18 | Stabilized soil for thermal dissipation |
Country Status (1)
Country | Link |
---|---|
BR (1) | BR9804674A (en) |
-
1998
- 1998-11-18 BR BR9804674A patent/BR9804674A/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application fees: dismissal - article 86 of industrial property law |
Free format text: REFERENTE A 4A,5A,6A,7A E 8A ANUIDADES. |
|
B08K | Maintenance of archiving: application remains archived as no request for restauration (art. 87) has been received. |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1892 DE 10/04/2007. |