폐석회지반에서의 연직배수재의 종류에 따른 통수능 평가
Evaluation of Discharge Capacity with PVDs Types in Waste Lime Area
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Recently, the demand for industrial and residental lands are being increased with economic growth, however, it is difficult to acquire the land for development with good ground condition. For efficient and balanced development of land, new development projects are being carried out not only the areas with inland but those with the soft ground as well. As soft grounds have complex engineering properties and high variations such as ground settlement especially when their strength is low and depth is deep, it needs to accurately analyze the engineering properties of soft grounds and find general measurment for stabilization and economic design and management. Prefabricated vertical drain technology is widely used to accelerate the consolidation of soft clay deposits and dredged soil under the preloading and various types of vertical drain are being used with the discharge capacity. Under field conditions, the discharge capacity is changed with various reason, such as soil condition, confinement pressure, long-term clogging and folding of vertical drains, and so on. Therefore, many researcher and engineer recommend the use of required discharge capacity. In this paper, the experimental study were carried out for two different types of vertical drains by utilizing the large-scale model tests and waste lime.
Abstract
Recently, the demand for industrial and residental lands are being increased with economic growth, however, it is difficult to acquire the land for development with good ground condition. For efficient and balanced development of land, new development projects are being carried out not only the areas with inland but those with the soft ground as well. As soft grounds have complex engineering properties and high variations such as ground settlement especially when their strength is low and depth is deep, it needs to accurately analyze the engineering properties of soft grounds and find general measurment for stabilization and economic design and management. Prefabricated vertical drain technology is widely used to accelerate the consolidation of soft clay deposits and dredged soil under the preloading and various types of vertical drain are being used with the discharge capacity. Under field conditions, the discharge capacity is changed with various reason, such as soil condition, confinement pressure, long-term clogging and folding of vertical drains, and so on. Therefore, many researcher and engineer recommend the use of required discharge capacity. In this paper, the experimental study were carried out for two different types of vertical drains by utilizing the large-scale model tests and waste lime.
참고문헌 (7)
- 화전지구 산업단지 조성공사 연직 배수재 통수능 평가 보고서, "농어촌연구원", 농어촌연구원, ~ (2006)
- 신은철, "코어형태에 따른 연직배수재의 통수능 및 경제성 평가", 한국지반공학회 가을학술발표회 논문집, pp.1306~1315 (2007), 한국지반공학회
- Barron,R.A, "Consolidation of Fine-Grained Soils by Drain Wells", Trans ASCE, 2346, pp.221~228 (1948)
- Christopher, B. R, "Geotextile Engineering Manual, U.S. Federal Highway Administration, Washington, DC", ~ (1985)
- Hansbo,S., "Conslidation of clay by band-shaped prefabricated drains", Ground Eng, 12(5), pp.16~25 (1979)
- Onoue,a, "Consolidation by vertical drains taking well resistance and smear into consideration", Soils and Foundations, 28(4), pp.165~174 (1988)
- Oostveen, J.P, "Discharge index tests on vertical drains", Proceedings of Fourth International Conference on Geotextiles, Geomembranes and Related Products, 통권 : 2, pp.345~350 (1990)