Journal of the Architectural Institute of Korea Structure & Construction (대한건축학회논문집:구조계)

Architectural Institute of Korea (대한건축학회)
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Structural Safety of the Building Constructed by Top-Down Method Corresponding to Earth Pressure Distribution and Floor System

Top-Down 공법이 적용된 건축물의 토압분포 및 바닥 시스템에 따른 구조 안전성

  • 정수진 (한국교통대학교 건축공학과 대학원) ;
  • 김설기 (한국교통대학교 건축공학과 대학원) ;
  • 서수연 (한국교통대학교 건축공학과)
  • Received : 2017.03.03
  • Accepted : 2017.07.12
  • Published : 2017.08.30
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Abstract

In the construction of building, it is necessary to consider the reducement of construction period and the securement of enough work space during the construction. Especially, the importance of those increases during the construction of underground structure requiring the safety of sheeting by excavation work. In this manner, this paper investigates the structural safety of the building constructed by top-down method through analytical approach. Various types of earth pressure distribution were considered in the structural analysis of an example frame at each step of top-down construction. In addition, the variation of stress distribution due to the change of floor system to resist soil pressure in the excavation was evaluated. As an analytical result, the highest member force was found when the soil was medium plastered sand since with highest unit weight. Among three conditions of floor system, the case with both beam and slab was most effective to resist the soil pressure since the soil pressure acting to wale can be uniformly distributed to floor.

Keywords

Acknowledgement

Supported by : 한국건설기술연구원

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