Landslide phenomenon especially on slopes always become interesting issues to be discussed. Last few years, composite bamboo pile is one of the innovative slope reinforcement methods to increase slope stability. Slope modeling with composite bamboo reinforcement was using an experiment box with 1,50 m as length; 1,0 m as width and 1,0 m as height. It used sand soil with fine gradation and composite bamboo pile with various diameters and space between piles. The load has modeled as a strip footing with continuous increases load by load cell until the limit load reached. The problem that occurred in laboratory has analysed with Finite Element Method. It changed 3D slope modeling to be 2D modeling. Composite bamboo pile has choosen as a new utilization innovation of bamboo to be pile reinforced and a positive value to optimize bamboo local material to be a steel reinforced replacement material. The result of experiment shown that utilizing of pile reinforcement on slope has increased slope stability. It shown with significally increase of safety factor, bearing capacity improvement and maximum limit load that able to reached on slope
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