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A Study for on Application of Bamboo Soil Nailing System  

Bang Yoon-Kyung (Dept. of Civil Engrn., Daewon Science Colleag)
Kim Hong-Taek (Dept. of Civil Engrg., Hongik Univ.)
Yoo Si-Dong (Engineer, Shinsung Engrg.)
Yoo Chan-Ho (Dept. of Civil Engrg., Hongik Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.21, no.6, 2005 , pp. 31-40 More about this Journal
Abstract
In this study, a newly modified soil nailing technology which uses bamboo, rich natural material growing in southern areas, is developed to prevent the soil pollution and to overcome the difficulty of excavation near existing structures. Experimental and analytical studies were performed to confirm application possibility of bamboo taking the place of existent reinforcement material, that is steelbar, FRP and etc. In experimental study, strength characteristics of bamboo material were analyzed, and pull-out resistance of bamboo soil nailing system by field pull-out tests was examined. In analytical study, limit equilibrium analysis and displacement analysis were performed, and application possibility of bamboo soil nailing system was analyzed. As the result of this study, bamboo has comparatively good strength and pull-out resistance characteristics. It is expected that bamboo can be used as satisfactory reinforcement material by selecting bamboo with reguired diameter and by controlling the number of bamboo strips. Bamboo is an alternative for the reinforcement of soil nailing system, especially temporary support system in excavation near the existing structures.
Keywords
Bamboo soil nailing system; Displacement analysis; Field pull-out test; Laboratory tensile strength test; Limit equilibrim analysis;
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