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Journal of the Korean association for shell and spatial structures

  • : 한국공간구조학회
  • : 공학분야  >  건축공학
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  • : 계간
  • : 1598-4095
  • : 2287-7401
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수록정보
수록범위 : 1권1호(2001)~19권2호(2019) |수록논문 수 : 734
한국공간구조학회지
19권2호(2019년 06월) 수록논문
최근 권호 논문
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KCI등재

1지진 취약도 분석 및 보수 비용 평가

저자 : 이준호 ( Lee Joon-ho )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조학회지 19권 2호 발행 연도 : 2019 페이지 : pp. 4-7 (4 pages)

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2경계부 강성 치환 기법을 이용한 대공간 구조물의 부분 비선형 시뮬레이션에 관한 연구

저자 : 김승덕 ( Kim Seung-deog ) , 정혜원 ( Jung Hye-won )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조학회지 19권 2호 발행 연도 : 2019 페이지 : pp. 17-25 (9 pages)

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In this study, we propose a new scheme of nonlinear analysis for Incheon International Airport Terminal-2 which was opened on January of 2018 for the Olympic Winter Games of PyeongChang in South Korea. The terminal was built by a single layered irregular space frame. It has hard problems for nonlinear analysis geometrically, because of a limitation of personal computer's ability by the number of rigid joints in the roof. Therefore we attempt easier approach to be chosen a center part of the roof instead of the whole structure, and to substitute the other boundary parts as springs. The scheme shows some merits for saving memory and calculation time and so on.

KCI등재

3꺽쇠형 강재 댐퍼의 록킹 거동

저자 : 이현호 ( Lee Hyun-ho )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조학회지 19권 2호 발행 연도 : 2019 페이지 : pp. 27-34 (8 pages)

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This study proposes a technique to dissipate the energy of a rocking wall installed on a frame by using a metallic damper. The rocking behavior is to turn left and right about the wall vertical axis. The development system is a method of dissipating energy by installing a damper which is the like on a large displacement portion. Experimental results showed that in case of shorter strut make strength capacity increasement and in case of longer strut make deformation capacity increasement. The higher the strut height, the better the energy dissipation capacity. The proposed equation for estimating the steel damper strength applied to this study is a straight type strut damper. However, it is not suitable for calculation of the strength of clamped type strut damper where both flexural behavior and shear behavior are mixed.

KCI등재

4비대칭 단면으로 구성된 모듈 간 접합부의 구조 성능 평가

저자 : 박금성 ( Park Keum-sung ) , 이상섭 ( Lee Sang-sup ) , 문지호 ( Moon Ji-ho )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조학회지 19권 2호 발행 연도 : 2019 페이지 : pp. 35-42 (8 pages)

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The purpose of this paper is to evaluate the structural performance of joints between modules with steel plate press forming type non-symmetric cross section. The main experimental variables are direction of load, whether vertical bolts are fastened, and whether the concrete inside the column is filled. A total of three experiments were performed for each variable. Experimental results show that the behavior of the joints dominated by the local buckling deformation of the upper and lower beam flanges of the module joints, and the final failure was the fracture of the column-beam welds. In case of short side direction, it is possible to secure the performance of intermediate moment frame (0.02 rad). In case of long side direction, it is evaluated that the performance of special moment frame (0.04 rad) is secured regardless of whether or not concrete is infilled in the column.

KCI등재

5스마트 연결 제어 시스템과 연결 구조물의 통합 최적 설계

저자 : 김현수 ( Kim Hyun-su ) , 강주원 ( Kang Joo-won )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조학회지 19권 2호 발행 연도 : 2019 페이지 : pp. 43-50 (8 pages)

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A smart connective control system was invented recently for coupling control of adjacent buildings. Previous studies on this topic focused on development of control algorithm for the smart connective control system and design method of control device. Usually, a smart control devices are applied to building structures after structural design. However, because structural characteristics of building structure with control devices changes, a iterative design is required for optimal design. To defeat this problem, an integrated optimal design method for a smart connective control system and connected buildings was proposed. For this purpose, an artificial seismic load was generated for control performance evaluation of the smart coupling control system. 20-story and 12-story adjacent buildings were used as example structures and an MR (magnetorheological) damper was used as a smart control device to connect adjacent two buildings. NSGA-II was used for multi-objective integrated optimization of structure-smart control device. Numerical simulation results show the integrated optimal design method proposed in this study can provide various optimal designs for smart connective control system and connected buildings presenting good control performance.

KCI등재

6라이즈 스팬 비에 의한 200m 허니컴 래티스 돔의 동적 응답 분석

저자 : 박강근 ( Park Kang-geun ) , 정미자 ( Chung Mi-ja )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조학회지 19권 2호 발행 연도 : 2019 페이지 : pp. 51-61 (11 pages)

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The objective of this study is to analysis the seismic response of 200m spanned honeycomb lattice domes under horizontal and up-down ground motion of El Centro earthquake. For the analysis of seismic response of the honeycomb lattice domes by rise/span ratio, the time history analysis is used for the estimation of the dynamic response. The low rise lattice dome is less deformed and less stressed than the high rise lattice dome for the earthquake ground motion. The 3-dimensional earthquake response is not significantly different the dynamic response of one directional ground motion. The earthquake response of domes with LRB isolation system is significantly reduced for the asymmetric vertical deformation and the horizontal and vertical accelerations.

KCI등재

7지진 입력 진동대를 이용한 무선 MEMS 센서와 ICP 가속도계의 성능 비교

저자 : 마푼과나시부시시웨 ( Mapungwana S. T. ) , 이종호 ( Lee Jong-ho ) , 윤성원 ( Yoon Sung-won )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조학회지 19권 2호 발행 연도 : 2019 페이지 : pp. 63-72 (10 pages)

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Wireless sensors are more favorable in measuring structural response compared to conventional sensors in terms of them being easier to use with no issues with cables and them being considerably cheaper. Previous tests have been conducted to analyze the performance of MEMS (Micro Electro Mechanical Systems) sensor in sinusoidal excitation tests. This paper analyzes the performance of in-built MEMS sensors in devices by comparing with an ICP sensor as the reference. Earthquake input amplitude excitation in shaking table tests was done. Results show that MEMS sensors are more accurate in measuring higher input amplitude measurements which range from 100gal to 250gal than at lower input amplitudes which range from 10gal to 50gal. This confirms the results obtained in previous sinusoidal tests. It was also seen that natural frequency results have lower error values which range from 0% to 3.92% in comparison to the response spectra results. This also confirms that in-built MEMS sensors in mobile devices are good at estimating natural frequency of structures. In addition, it was also seen that earthquake input amplitudes with more frequency contents (Gyeongju) had considerably higher error values than Pohang excitation tests which has less frequency contents.

KCI등재

8고온 강구조 압축재의 좌굴 강도에 관한 연구

저자 : 최현식 ( Choi Hyun-sik )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조학회지 19권 2호 발행 연도 : 2019 페이지 : pp. 73-81 (9 pages)

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The high-temperature properties of mild steels were studied by comparing the test results of Kwon and the yield strength, tangent modulus predicted by the design provisions of ASCE and Eurocode(EC3). The column strengths for steel members at high temperatures were determined by the elastic and inelastic buckling strengths according to elevated temperatures. The material properties at high temperatures should be used in the strength evaluations of high temperature members. The buckling strengths obtained from the AISC, EC3 and approximate formula proposed by Takagi et al. were compared with ones calculated by the material nonlinear analysis using the EC3 material model. The newly simplified formulas for yield stress, tangent modulus, proportional limit and buckling strength which were proposed through a comparative study of the material properties and buckling strengths. The buckling strengths of proposed formulas were approximately equivalent to ones obtained from the formulas of Takagi et al. within 4%. They were corresponded to the lower bound values among the buckling strengths calculated by the design formulas and inelastic buckling analysis.

KCI등재

9CFD 해석을 이용한 가변 차양 장치의 풍압력 분석

저자 : 김기철 ( Kim Gee-chul ) , 이준호 ( Lee Joon-ho ) , 백용규 ( Baik Yong-kyu )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조학회지 19권 2호 발행 연도 : 2019 페이지 : pp. 83-90 (8 pages)

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Most of the variable shading devices are installed outdoors, so they are greatly affected by structural safety due to external climate change, wind, rain, and snow. Especially, due to strong wind such as typhoons, safety problems may occur due to the dropout of the device. Therefore, it is necessary to secure the structural safety against the wind. Therefore, it is necessary to analyze the structural behavior of the windshield to evaluate the structural safety of the variable sunshade device. In this study, we analyze the wind pressure applied to the shading material according to the change of the length of the variable shading device, and apply it to the calculation of the wind load for the structural design of the variable shading device. The CFD (Computational Fluid Dynamic) analysis of the structure of the sample was used to analyze wind pressure magnitude and distribution. In order to estimate the wind pressure, the maximum wind loads of the static and negative pressures acting on the structure were analyzed from numerical simulation results.

KCI등재

10연속 캡 형상 전단연결재의 전단 내력에 관한 실험 연구

저자 : 오명호 ( Oh Myoung Ho ) , 김영호 ( Kim Young Ho ) , 정석창 ( Jeong Sug Chang ) , 김명한 ( Kim Myeong Han )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조학회지 19권 2호 발행 연도 : 2019 페이지 : pp. 91-99 (9 pages)

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The push-out tests have been conducted on the specimens which consist of the steel beam with U-shape section and the continuous cap-type shear connector. Existing formulas for the elevation of shear connector capacity were investigated on the basis of test results. The shear capacities of continuous cap-type shear connectors distinctly declined as the diameters of side-hole in the shear connector increased. The rebars through side-hole for the transverse reinforcement improved the shear capacity of continuous cap-type connector by 20 to 30 percent. It was not feasible to obtain the appropriate capacity values of continuous cap-type shear connectors made of thin steel plate like those of in this study, using the existing formulas. The new formula for reflecting the shear strength of penetrative bars was proposed based on the shear equation of Eurocode 4. The slip capacities of continuous cap-type shear connectors were shown to exceed the limit value of 6mm for the sufficiently ductile behavior.

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1연안해역에서 석유오염물질의 세균학적 분해에 관한 연구

(2006)홍길동 외 1명심리학41회 피인용

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