A computer program was developed in C++ language to predict the effect of soil bulk density on draft force on\r\nbottoms, share thickness, stresses distribution and maximum deflection on standards, bending stresses distribution on side plates,\r\ndiameter of shear pins, and tensile stress on hitch bar. It was found that, as soil bulk density increased, stresses distribution\r\nand maximum deflection on standards, bending stresses distribution on side plates, diameter of shear pins, and tensile stress on\r\nhitch bar increased. The diameter of shear pin should be larger to meet wide range of soil density.
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