All casing method among various foundation of earthworks is generally applied to build the large pile with diameter 1,000 ~ 3,000mm which is used at a bridge, large building, steel truss rail way bridge, and so on. As the method of construction, two m...
All casing method among various foundation of earthworks is generally applied to build the large pile with diameter 1,000 ~ 3,000mm which is used at a bridge, large building, steel truss rail way bridge, and so on. As the method of construction, two methods are generally applied to build a pile. One is to use a casing rotator, and the other is to use a casing oscillator. In this paper, the design method of the casing rotator for all casing method is presented. First, Structural stability is evaluated by the structural static analysis and dynamic analysis, and then major design parameters are selected, and finally, optimal design values was decided from DOE(Design Of Experiments) method.