Abstract

본 연구에서는 점토지반에 근입된 송전철탑 연결형 기초를 대상으로 모형수평재하시험을 수행하고, 연결형 기초의 파괴기준을 제안하였다. 본 연구를 위해 전라북도 익산에 위치한 점토지반에서 연결형 기초의 모형수평재하시험을 수행하였으며, 연결형 기초의 하중-변위특성을 분석하였다. 본 실험을 위해, 강성의 변화를 고려할 수 있는 연결형 기초 모형체를 제작하였으며, 요소 및 기초전반의 거동을 파악하기 위하여 다양한 계측장치를 설치하여 실험을 수행하였다. 실험결과를 토대로, 연결형 기초의 지지력을 측정하고 비교 분석하였으며, 수평지지력 결정을 위한 파괴기준을 제안하였다. In this study, we performed model lateral load test for connected-type foundations of transmission tower with bar in clay, and proposed failure standard and measuring method to estimate ultimate lateral bearing capacity. For this study, we performed model lateral load tests in Iksan, Jeollabukdo and analyzed load-displacement characteristic of the model. We manufactured model foundation of transmission tower connected with bar and that considered a change of rigidity. We installed various measuring sensors to find general foundation behavior. From the test results, we measured, compared and analyzed load capacities, and then proposed failure standard to estimate bearing capacity for connecting type foundation.

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