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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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About 95 % of the foundations of buildings with three or more stories in Korea are constructed on a Pile Foundation, and such Pile Foundation has problems such as excessive construction costs, environmental problems due to the use of heavy equipment, and delays of construction due to frequent public resentment. In order to solve these problems, eco-friendly and cast-in-place Caps Foundation was developed that directly pours concrete on site. In this paper, to find the optimal mixing ratio of early strength concrete to be applied to the cast-in-place Caps Foundation, the changes in compressive strength, splitting tensile strength, and flexural strength of three concrete types of different cements by age were examined. As a result, all three concretes satisfies the target values of 21 MPa of compressive strength and 3 MPa of flexural strength at 5 days. Especially, EPC using early strength portland cement reached the target values after 3 days. Therefore, it was decided to use the mixture of BFC using blast furnace slag cement as the optimal mixing ratio, and to use the mixture of EPC using early strength portland cement at the special field where additional time reduction is required.
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참고문헌 (8)
참고문헌 신청
Cho, C. W. / 2007 / Next Decade of Pile Foundation in Korea / Korean society of civil engineers magazine 55(1):74~83
Nam, S. P. / 2018 / A Study on the Development of Caps Foundation Method Using Arching Effect of Granular Aggregate
박종만 / 2019 / 캡스기초공법의 하중경감효과에 관한 모형시험 / 한국산학기술학회논문지 20(11):479~486
Park, K. Y. / 2015 / Engineering Properties of Concrete with Early Strength Improvement Type Ordinary Portland Cement
Park, Y. T. / 2009 / A Mechanical Properties in High Temperature of Polypropylene fiber Mixed Concrete at Pre-loading
Nam, S. P. / 2018 / A Study on the Development of Caps Foundation Method Using Arching Effect of Granular Aggregate
박종만 / 2019 / 캡스기초공법의 하중경감효과에 관한 모형시험 / 한국산학기술학회논문지 20(11):479~486
Park, K. Y. / 2015 / Engineering Properties of Concrete with Early Strength Improvement Type Ordinary Portland Cement
Park, Y. T. / 2009 / A Mechanical Properties in High Temperature of Polypropylene fiber Mixed Concrete at Pre-loading
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