The dam created by soil compaction with, came to machinery or people. The dam will have the characteristics of soil solid or water permeability of the dam is stable and strong, as well as a concrete dam.
The dam was built By bringing soil compacted tightly with mechanical force or the dam will look dull water. Or seepage through the dam can be difficult Strength and stability as well as the concrete dam.
The dam was built. By using the soil ground compressed tightly with mechanical or force, earth will look solid water. Or water through the dam can be difficult. And security was as strong as the concrete dam.