지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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PURPOSES : It is to evaluate lightweight soil as a subgrade material based on mechanical tests and calculation of pavement performance. METHODS : In this research, various contents of cement and air foam are used to make lightweight soil using wasted dredged soil. Uniaxial compressive strength test is conducted to evaluate strength of 7 and 28 day cured specimens. Secant modulus was calculated based on the stress and strain relationship of uniaxial compressive strength test. Resilient modulus test was measured using by repeated triaxial compression test. The measured resilient modulus was used in layered elastic program to predict fatigue and rutting life at a given pavement structure. RESULTS : Uniaxial compressive strength increases as cement content increases but decrease as air foam content increases. Resilient modulus also increases as cement content increases and decrease as air foam content decrease. CONCLUSIONS : It is concluded that dredge clay soil can be used as subgrade layer material using by lightweight treated soil method.
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참고문헌 (10)
참고문헌 신청
Jo, S. A. / 2012 / Geotechnical Characteristics of an Aerated Soil Stabilizer Mixture as Backfill Material / Geotechnical Testing Journal 35(4):586~595
Kim, D.H. / 2006 / Simplification of Resilient Modulus Testing for Subgrades / Joint Transportation Research Program Technical, Indiana Department of Transportation and Purdue University
Liu, H. L. / 2006 / Effect of Different Mixing Ratios of Polystyrene Pre-Puff Beads and Cement on the Mechanical Behaviour of Lightweight Fill / Geotextiles and Geomembranes 24:331~338
National Cooperation Highway Research Program(NCHRP) / 2004 / Mechanistic-Empirical Design Guide of New and Rehabilitated Pavement Structure (MEPDG)
오정호 / 2013 / Mechanistic-Empirical Guideline for Routine Overweight Truck Traffic Routes / 한국재난정보학회 논문집 9(1):1~10
Kim, D.H. / 2006 / Simplification of Resilient Modulus Testing for Subgrades / Joint Transportation Research Program Technical, Indiana Department of Transportation and Purdue University
Liu, H. L. / 2006 / Effect of Different Mixing Ratios of Polystyrene Pre-Puff Beads and Cement on the Mechanical Behaviour of Lightweight Fill / Geotextiles and Geomembranes 24:331~338
National Cooperation Highway Research Program(NCHRP) / 2004 / Mechanistic-Empirical Design Guide of New and Rehabilitated Pavement Structure (MEPDG)
오정호 / 2013 / Mechanistic-Empirical Guideline for Routine Overweight Truck Traffic Routes / 한국재난정보학회 논문집 9(1):1~10
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