| Summary: | 碩士 === 建國科技大學 === 土木與防災研究所 === 100 === In this study, using slag as a soil improvement material, to add a different ratio of slag to mix with lateritic soil of layered specimens to investigate the effect of the slag on soil stability, and engineering properties. Stabilizer to improve the methods of adverse soil engineering properties, mainly to add a stable material with soil mixture, mainly cement and lime is the most commonly used. Slag and fly ash, such as steel mills and thermal power plant by-products arising from the similar way, and therefore research the use of such by-products to improve the engineering characteristics of the soil. Consideration of the construction site of the project, not all existing ground works are applicable in mixing backfill, the use of layered backfill more in line with the local construction of rationality, the study considered the materials added to the soil in a hierarchical manner, the production layered composite soil unconfined compression strength test, and discuss their engineering properties. The results show when adding 30% slag, its strength is lower than the original soil.
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