Effet de chaux, ciment et sel sur le potentiel de gonflement des argiles gonflantes des régions arides en Algérie
| Autor: | Gueddouda Mohamed Kamel, Goual Idriss, Benabed Benchaa |
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| Rok vydání: | 2013 |
| Předmět: | |
| Zdroj: | European Journal of Environmental and Civil Engineering. 17:315-328 |
| ISSN: | 2116-7214 1964-8189 |
| Popis: | The occurrence of expansive clays causes serious stability problems in regions with arid climate. In these areas, the clay is so dry that a supply of a tiny quantity of water may release a fantastic energy capable of producing important damage in structure. This paper presents the chemical stabilization of tree soil. In the first part, the potential swelling is estimated using indirect methods based on the geotechnical characteristics, thereafter, direct measurement of swelling parameters (magnitude and pressure of swelling) is carried out. The second part, we studied the treatment of clays using serval methods of stabilization (addition of, Nacl salt, lime, cement, and association lime + cement, and association lime + salt). Results are very encouraging and show that for certain combinations the reduction rate in swelling potential is very important (about 90%). In order to minimize the damage caused by the expansive soils, some recommendations for design and construction are given. La presence d’argile ... |
| Databáze: | OpenAIRE |
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