Author
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Hanson, Gregory |
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Cook, Kevin |
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Submitted to: American Society of Agricultural Engineers Meetings Papers
Publication Type: Proceedings Publication Acceptance Date: 8/1/1998 Publication Date: N/A Citation: N/A Interpretive Summary: The effect that remolding of soil materials has on erosion resistance is important in the construction of earthen structures for water management applications and the cultivation of land for agricultural purposes. Controlled laboratory tests were conducted to determine the effects of water content, material density, and soil suction on erosion resistance of remolded soil materials. The tests were conducted using a submerged jet. The results show that optimum conditions, i.e., maximum resistance to erosion, can be obtained using combinations of water content and material density. These findings have implications for construction practices, as well as repair and maintenance of earthen structures and cultivation practices of agricultural land. Technical Abstract: The effect that remolding of soil materials has on erosion resistance is important in the construction of earthen structures for water management applications and the cultivation of land for agricultural purposes. Controlled laboratory measurements of erodibility of remolded soils using a circular jet device are presented. Water content, material density, and soil suction were varied, and parameters in the excess stress equation for soil samples were derived experimentally. The results show that optimum conditions, i.e., maximum resistance to erosion, can be obtained using combinations of compaction water content and material density. These findings have implications on both the construction practices as well as the maintenance and repair of earthen structures and cultivation practices of agricultural land. |
