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Utilization of Waste Tires as Soil Reinforcement; (1) Soil Reinforcing Effect  

윤여원 (인하대학교 환경토목공학부)
최경순 (에스코 컨설턴)
윤길림 (한국해양연구원 연안항만공학연구본)
김방식 (충주대학교 환경토목공학부)
Publication Information
Journal of the Korean Geotechnical Society / v.20, no.3, 2004 , pp. 107-117 More about this Journal
Abstract
This paper is to investigate the reinforcing effects of newly devised Tire-cell mat made of waste tires in sand. Parametric study on number of connection bolts between Tirecells, relative density of sand, embedded depth, number of reinforced layers and width of Tirecell mat was made by using plate loading tests. It is found that the number of connection bolt was enough to maintain the given pressure. The bearing capacity ratio(BCR), which is defined as the rate of ultimate bearing capacity of reinforced soil to that of unreinforced soil, is the highest at the lowest density. And the reinforcing effect can be obtained in case of embedded depth within 1.0B, where B is loading width. Also settlement reduction is the highest at the lowest density of sand. The effect of number of Tirecell reinforced layers with 0.4B to 0.5B interval is limited to 2 layers and further reinforcing effects can not be obtained beyond 3 layers. Especially, the bearing capacity increased remarkably at 1 layer of reinforcement and the degree of increase was small from 1 layer to 2 layers of reinforcement. The effect of mat width of Tirecell was not significant because of high stiffness of Tirecell although the maximum bearing capacity was shown at the 2.0B mat width and the reinforcing effects of Tirecell, in general, was prominent compared with those of commercial Geoweb.
Keywords
Bearing capacity; Plate load test; Settlement; Reinforcement; Waste tire;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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