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A Study on Pull-out Capacity and Shear resistance strength change by grasses
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  • Journal title : Journal of Wetlands Research
  • Volume 15, Issue 4,  2013, pp.431-440
  • Publisher : Korean Wetlands Society
  • DOI : 10.17663/JWR.2013.15.4.431
 Title & Authors
A Study on Pull-out Capacity and Shear resistance strength change by grasses
Kim, Taegyun; Chae, Soo Kwon; Chun, Seung Hoon;
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 Abstract
It was tested in field that a Pull-out Capacity and Shear resistance strength change of reed, common reed and sedge which were planted by mat-type turf and used for revegetation of bank. The testes were done for 9 weeks from end of May and the grasses were planted on sandy soil. Roots grew fastly after planted and increasement of a common reed and sedge root were reduced after 4 weeks but increasement of reed roots were not reduced. The difference of increasement of roots is due to a difference of propagation method. Sedge propagate by seed. Reed and commom reed propagate by seed and subterranean stem and reed has bigger subterranean stem than common reed. So increasement of common reed and sedge roots were slow than reed. By root growth pattern, increasement of pull-out capacity and shear resistance strength showed very similar way of root growth, those of common reed and sedge were fast in early stage of cultivation but were reduced. But increasement of pull-out capacity and shear resistance strength of reed was not reduced. A Maximum shear resistance strength called critical shear resistance strength of common reed and sedge can be Analyzed at 11 weeks after planted.
 Keywords
revegetation;pull-out capacity;shear resistance stress;grasses root;
 Language
Korean
 Cited by
 References
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