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당반푸 ( Dang Van Phu ),허정원 ( Huh Jungwon ),김기배 ( Kim Gibae ),안진희 ( Ahn Jin-hee ),한동엽 ( Han Dongyub ) 한국구조물진단유지관리공학회 2021 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.25 No.1
Buried arch system is widely applied in the infrastructure systems recently. When constructing the buried arch system, especially in the highly risk earthquake regions, its seismic response needs to be examined. In this study, a new developed type of arch structure has been seismically analyzed with considering the effect of earthquake frequency content through the finite element analysis. This arch structure has a lengthwise span of 9.54m and rise ratio of 0.52 with half-circular shape.
당반푸 ( Dang Van Phu ),허정원 ( Huh Jungwon ),김기배 ( Kim Gibae ),안진희 ( Ahn Jin-hee ),한동엽 ( Han Dongyub ) 한국구조물진단유지관리공학회 2021 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.25 No.1
Buried arch system is widely applied in the infrastructure systems recently. When constructing the buried arch system, especially in the highly risk earthquake regions, its seismic response needs to be examined. In this study, a new developed type of arch structure has been seismically analyzed with considering the effect of earthquake frequency content through the finite element analysis. This arch structure has a lengthwise span of 9.54m and rise ratio of 0.52 with half-circular shape.
당반푸 ( Dang Van Phu ),허정원 ( Huh Jungwon ),김기배 ( Kim Gibae ),안진희 ( Ahn Jin-hee ),한동엽 ( Han Dongyub ) 한국구조물진단유지관리공학회 2021 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.25 No.1
Buried arch system is widely applied in the infrastructure systems recently. When constructing the buried arch system, especially in the highly risk earthquake regions, its seismic response needs to be examined. In this study, a new developed type of arch structure has been seismically analyzed with considering the effect of earthquake frequency content through the finite element analysis. This arch structure has a lengthwise span of 9.54m and rise ratio of 0.52 with half-circular shape.
당반푸 ( Dang Van Phu ),허정원 ( Huh Jungwon ),김기배 ( Kim Gibae ),안진희 ( Ahn Jin-hee ),한동엽 ( Han Dongyub ) 한국구조물진단유지관리공학회 2021 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.25 No.1
Buried arch system is widely applied in the infrastructure systems recently. When constructing the buried arch system, especially in the highly risk earthquake regions, its seismic response needs to be examined. In this study, a new developed type of arch structure has been seismically analyzed with considering the effect of earthquake frequency content through the finite element analysis. This arch structure has a lengthwise span of 9.54m and rise ratio of 0.52 with half-circular shape.
당반푸 ( Dang Van Phu ),허정원 ( Huh Jungwon ),김기배 ( Kim Gibae ),안진희 ( Ahn Jin-hee ),한동엽 ( Han Dongyub ) 한국구조물진단유지관리공학회 2021 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.25 No.1
Buried arch system is widely applied in the infrastructure systems recently. When constructing the buried arch system, especially in the highly risk earthquake regions, its seismic response needs to be examined. In this study, a new developed type of arch structure has been seismically analyzed with considering the effect of earthquake frequency content through the finite element analysis. This arch structure has a lengthwise span of 9.54m and rise ratio of 0.52 with half-circular shape.
Abaqus/CAE를 이용한 모듈러 지중아치 교량의 지진해석
누엔반토안 ( Nguyen Van Toan ),당반푸 ( Dang Van Phu ),허정원 ( Huh Jungwon ),강충현 ( Kang Choonghyun ) 한국구조물진단유지관리공학회 2019 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.23 No.2
In this study, the soil-structure interaction impact of a 3-hinge Concrete Modular Underground Arch (CMUA) is simulated using Abaqus/CAE. The results indicate that Abaqus/CAE is an effective tool for seismic simulation of the CMUA. Besides, the structural damage under the earthquake impact can occur locally on lining structure or its surrounding at the soils that is influenced significantly by the interaction and contact between structural parts as well as linkages of segments.
Jungwon Huh(허정원),Nhu Son Doan(도안누손),Van Ha Mac(맥반하),Van Phu Dang(당반푸),Dong Hyawn Kim(김동현) 한국해안해양공학회 2021 한국해안해양공학회 논문집 Vol.33 No.6
하중·저항계수 설계는 일관된 시스템적 설계해를 제공하는 효율적인 설계 방식이다. 이 연구는 확률론적 프레임워크 내에서 방파제의 지반기초(foundation) 설계에 필요한 하중계수 및 저항계수를 결정하는 것을 목표로 하여 한국형 방파제의 대표적인 4가지 유형인 경사식 방파제, 무공케이슨 혼성식방파제, 유공케이슨 혼성식방파제, 소파블록 피복제를 대상으로 조사하였다. 파랑하중조건에서 방파제 기초의 지지력을 면밀히 조사하였다. 100,000회 샘플에 의한 Monte Carlo 시뮬레이션을 사용하여, 목표신뢰도지수(RI) 2.5와 3.0의 두 가지 수준을 선택하여 하중·저항계수의 보정을 수행하였다. 예상대로 더 높은 RI에 대해 정규화된 저항계수는 더 낮은 값을 갖는 것으로 확인되었다. 그 범위는 목표 RI 2.5의 경우 0.668~0.687이며, 목표 RI 3.0의 경우 0.576~0.634이다. Load and resistance factor design is an efficient design approach that provides a system of consistent design solutions. This study aims to determine the load and resistance factors needed for the design of breakwater foundations within a probabilistic framework. In the study, four typical types of Korean breakwaters, namely, rubble mound breakwaters, vertical composite caisson breakwaters, perforated caisson breakwaters, and horizontal composite breakwaters, are investigated. The bearing capacity of breakwater foundations under wave loading conditions is thoroughly examined. Two levels of the target reliability index (RI) of 2.5 and 3.0 are selected to implement the load and resistance factors calibration using Monte Carlo simulations with 100,000 cycles. The normalized resistance factors are found to be lower for the higher target RI as expected. Their ranges are from 0.668 to 0.687 for the target RI of 2.5 and from 0.576 to 0.634 for the target RI of 3.0.