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자료유형
학술저널
저자정보
Kim, Jin-Chun (Hankook Geotechnology Inc.) Park, Ki-Yeon (Korea Rural Community & Agriculture Corp.) Lee, Dong-Ik (Korea Rural Community & Agriculture Corp.) Lee, Gyu-Sang (Korea Rural Community & Agriculture Corp.) Kim, Sang-Gyun (Hankook Geotechnology Inc.) Yoo, Byung-Sun (Hankook Geotechnology Inc.) Choi, Gi-Sung (Hankook Geotechnology Inc.)
저널정보
대한지질공학회 The Journal of Engineering Geology 지질공학 제25권 제2호
발행연도
2015.1
수록면
179 - 188 (10page)

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Although permeating injection is ideal for grouting reservoir embankments, it is usually combined with fracturing injection for grouting, which can disturb the original soil. Compaction with low expansive pressure followed by grout injection can overcome this problem. An expansive compaction (EC) packer was developed in this work to easily apply sequential injection and compaction at a work site. Furthermore, to achieve compaction around the grouting hole, a mixture of expansive admixtures and grout was injected with the EC packer to trigger an increase in volume of the grout material. This work verifies the compaction effect of the EC packer and the expansive admixture. It reports the concepts of the EC packer, the range of expansive compaction, the effectiveness of injection, and the results of indoor tests performed to verify the effectiveness of the expansive admixtures. The indoor testing comprised a preparatory test and the main test. The preparatory test assessed the admixtures for their compaction effects, while the main test measured and analyzed the admixtures' expansive force, pressure, and compaction effect with a mold to verify the effectiveness of the compaction effect.

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