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| Publication Type:
| Report |
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| Author(s): | Liesecke, H.-J. |
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| Author Affiliation: | Professor, Fachgebiet Grünflächenbau am Institut für Grünplanung und Gartenarchitektur, Technische Universität Hannover, Herrenhäuser Straße 2, 3000 Hannover 21 |
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| Title: | Bodenphysikalische Untersuchungen an porösen Baustoffen für Begetations- und Dränschichten, II. Porenvolumen, Wasserdurchlässigkeit und Wasseraufnahmevermögen |
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| Translated Title: | Research into the physical properties of porous materials used in rootzones and as drainage layers, II. Pore space, water permeability and water uptake capacity |
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| Source: | Zeitschrift für Vegetationstechnik. Vol. 1, No. 1, July-September 1978, p. 9-15. |
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| Publishing Information: | Hannover, W. Germany: Patzer Verlag GmbH and Co. KG, Alter Flughafen |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Permeability; Pore space; Density
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| Abstract/Contents: | "The further examination of the materials concerns the water permeability, pore space, water uptake capacity and bulk density (volume weight). The results show that there are not only considerable differences between the properties of the various materials but also substantial deviations int he characteristics of materials of comparable particle size. A correlation between particle distribution and other properties is affected by the influence of internal particle porosity and bulky particle shape. The possibility of the use of crushed expanded clays in the place of lava sands, which have a higher percentage of finer particles, and less frost resistant pumice gravels is discussed. It has a high permeability, large pore space and a water uptake capacity comparable with lava and pumice, and has a higher frost resistance. Taking into account the low bulk density and the pH-value, there are advantages especially for roof gardens. The final analysis of the results shows clearly the necessity of a laboratory examination of the lasting properties of materials under field conditions." |
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| Language: | German |
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| References: | 0 |
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| Note: | Figures |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Liesecke, H.-J. 1978. Bodenphysikalische Untersuchungen an porösen Baustoffen für Begetations- und Dränschichten, II. Porenvolumen, Wasserdurchlässigkeit und Wasseraufnahmevermögen. (In German) Zeitschrift für Vegetationstechnik. 1(1):p. 9-15. |
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MSU catalog number: SB 433 .A1 Z4 |
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