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http://dx.doi.org/10.12652/Ksce.2011.31.3D.413

Basic Study on the Characteristics of Wooden Sidewalk Pavement Material using Wood Waste Chip  

Choi, Jae Jin (국립공주대학교 건설환경공학부)
Song, Jin Woo (국립공주대학교 대학원 건설환경공학부)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.31, no.3D, 2011 , pp. 413-420 More about this Journal
Abstract
An experiment was conducted to suggest the road pavement material combining wooden chip crushed from little useful roots and branches from logging sites or wood waste from construction sites with urethane resin. For the specimen, the mass ratio of urethane resin to construction wood waste chip/lumber waster chip was set to three different levels of 0.5, 0.75, and 1.0, which was measured, mixed with mixer, and molded; 7 days after, tensile strength test, elasticity test using golf balls and steel balls, permeability coefficient measurement, and flammability test were executed. As the result, the tensile strength of the specimen at the dry state in the air exhibited the range of 0.2-1.1MPa, and there was no change after 7 days of aging. When submerged in water, however, the strength was partially diminished; the diminishing rate was greater for less urethane resin usage, and therefore it appears desirable to set the mass ratio of resin to the wood waste chip over 0.75 to consider the moisture intrusion by precipitation and such. As the result of elasticity test, the GB and SB coefficients of the specimen using wood waste chips and urethane resin were measured to be low at below 20%, exhibiting excellent elasticity as road pavement material. Also, the permeability coefficient was over 0.5mm/sec for specimens of all combinations, exceeding the standard value required after construction for permeable pavement material, and the flammability of wood-type pavement material was evaluated to have no practical issues.
Keywords
wood waste; urethane resin; tensile strength; GB coefficient; SB coefficient; permeability;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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