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| Web URL(s): | http://usgatero.msu.edu/v01/n18.pdf
Last checked: 11/2002
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Puri, V. M.;
Mancino, C. F. |
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| Author Affiliation: | Puri: Department of Agricultural and Biological Engineering, Pennylvania State University, University Park, PA; Mancino: Senior Scientist, The Scotts Company, Marysville, OH |
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| Title: | Importance of particle shape and size on rootzone sands' bulk mechanical behavior |
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| Source: | USGA Turfgrass and Environmental Research Online. Vol. 1, No. 18, November 15 2002, p. [1-10]. |
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| Publishing Information: | Far Hills, NJ: United States Golf Association, Green Section |
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| # of Pages: | 10 |
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| Keywords: | TIC Keywords: Soil micromorphological features; Golf courses; Soil structure; Porosity; Bulk density; Compression; Particle size; Greens mix; Sand-based golf greens; Decision-making; Soil moisture; Organic matter; Peat; Physical properties of soil; Particle shape; Sand; Root zone
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| Abstract/Contents: | "The mechanical behavior of sands is important in golf course construction whether your considering the stability of sand-based putting green rootzones or the playbility of lies in sand bunkers. Researchers at the Pennsylvania State University investigated different sized round versus angular sands for their mechanical behavior under pressure. Their findings include: Rootzone and sand mixtures comprised of round particles having higher initial bulk density and lower porosity compared with angular sands. In general, angular sands are more compressible than round sands. Bulk modulus, a measure of resistance to compressibilty, increases with pressure for all sand shapes, with angular sands, having lower bulk modulus values. Strength of angular sand mixtures are 14% and 64% higher than those of round sands. Shear modulus, a measure of resistance to distortion, increases with pressure for all shapes, with angular sands having higher shear modulus values. Sand mixtures' compression proceeds through three distinct stages of filling of voids: collapse, rapid but continuously declining rate, and slow evolving rate." |
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| Language: | English |
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| References: | 3 |
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| See Also: | Other Reports from this USGA research project: 1996-02-089; 2000-09-176 |
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| Note: | Pictures, color
Tables
Graphs
Diagrams
Summary as abstract |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Puri, V. M., and C. F. Mancino. 2002. Importance of particle shape and size on rootzone sands' bulk mechanical behavior. USGA Turfgrass Environ. Res. Online. 1(18):p. [1-10]. |
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Last checked: 11/2002
Requires: PDF Reader |
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