Experimental Investigation of Several Different Types of Soil Erosion Protection Systems
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Most unprotected slopes face stability problems due to erosion. Generally, an unstable slope issue arises when erosion begins on its surface. Several erosion protection methods provide a solution to protect the slope surface by dividing a large slope area into many small cells, hence increasing the stiffness of the soil surface. In this research, a total of 964 tests were performed on unconfined slopes and slopes with three types of confinement systems varying in three different sizes. The experiments were conducted based on various rainfall intensities, rainfall durations, and slope angles. Furthermore, the experimental results for the unconfined and confined slopes were compared to indicate the effectiveness of the soil confinement system. The confined slope showed significantly lower soil loss compared to the unconfined slope. Additionally, the results revealed that the triangular type was the most effective confinement system, as the lowest soil loss mass was recorded. In general, the introduced erosion protection system shows a promising way of preventing slope failure due to erosion at an early stage.
KeywordsSoil protection Erosion Pollution prevention Sediments Sustainability
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