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Abstract ▼ AI-Helper

The most important thing in the design of the reinforced earth retaining wall is to obtain the good backfill materials. However there was a special case using soils mixed with the crushed stone, because the field ran short of good backfill soils. Accordingly in this study various kind of tests were ...

The most important thing in the design of the reinforced earth retaining wall is to obtain the good backfill materials. However there was a special case using soils mixed with the crushed stone, because the field ran short of good backfill soils. Accordingly in this study various kind of tests were performed according to the mixing content of a crushed stone, which are the gradation curve, the direct shear test and the pullout test. From the test results at first the gradation of soils mixed with crushed stone has been compared with the selecting standard as backfill of reinforced earth wall. And the gradation standard has been satisfied in case of mixing ratio 20% of a crushed stone under 19mm. Also the direct shear test and the pullout test have been performed and at the test results the shear strength parameter and the pullout strength parameter were increased with the increse of the mixing content of a crushed stone. It has been thought that this study will give important data to a designer in designing the reinforced earth wall with soils mixed with crush stones.

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