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Effects of Uncertainty Parameters Occurring in the Design and Construction Process on RC Structural Performance

설계·시공 단계의 불확실성 요인들이 철근콘크리트 구조물 구조성능에 미치는 영향

  • Shin, Dong-Hyeon (Department of Architectural Engineering, Pusan National University) ;
  • Lee, Ju-Hyeong (Department of Architectural Engineering, Pusan National University) ;
  • Sung, Jun-Hyun (Department of Architectural Engineering, Pusan National University) ;
  • Yoon, Su-Ho (Department of Architectural Engineering, Pusan National University)
  • 신동현 (부산대학교 건축공학과) ;
  • 이주형 (부산대학교 건축공학과) ;
  • 성준현 (부산대학교 건축공학과) ;
  • 윤수호 (부산대학교 건축공학과)
  • Received : 2024.08.14
  • Accepted : 2024.09.03
  • Published : 2024.11.01

Abstract

This research introduces a novel probabilistic approach to consider the effects of uncertainty parameters during the design and construction process, providing a fresh perspective on the evaluation of the structural performance of reinforced concrete structures. The study, which categorized various random design and construction process variables into three groups, selected a two-story reinforced concrete frame as a prototype and evaluated it using a nonlinear analytical model. The effects of the uncertainty propagations to seismic responses of the prototype RC frame were probabilistically evaluated using non-linear dynamic analyses based on the Monte-Carlo simulation sampling with the Latin hypercube method. The derivation of seismic fragility curves of the RC frame from the probabilistic distributions as the results of uncertainty-propagation and the verification of whether the RC frame can meet the seismic performance objective from a probabilistic point of view represent a novel and significant contribution to the field of structural engineering.

Keywords

Acknowledgement

본 과제(결과물)는 교육부와 한국연구재단의 재원으로 지원을 받아 수행된 3단계 산학연협력 선도대학 육성사업(LINC 3.0)의 연구결과입니다.

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