Abstract
Most of old small earth dams for irrigation were mostly accumulated with the muddy soil in reservoir that caused the water pollution and the loss of reserved water. In order to make efficient use of the muddy soil as the embankment soil for reinforcing the damaged embankment, we have developed a new type method to repair the old small earth dam embankment by means of the stabilized muddy soil with cement stabilizer.
In this paper, we propose the design method to reinforce the old small earth dam embankment by constructing the sloping core zone by cement-mixed muddy soil. The strength parameters (c', φ') obtained from the tri-axial compression test is adopted to evaluate the stability of the reinforced embankment slope that compose of the existing embankment and sloping zones constructed by cement-mixed muddy soil in proposed design method.
