http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 주제어 : Rigid box frame (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
-
Introducing new rigid I-beam to box column connections by using a stiffened channel link
Allah Reza Moradi Garoosi,Mehrzad Tahamouli Roudsari,Morteza Torkaman,Shahab Bonyadirad,Ali Saeedmanesh,Khalil soleimani,Hosein Reza Lotfi,Roya Jowkar,Ali Alipour 국제구조공학회 2021 Steel and Composite Structures, An International J Vol.41 No.4
The aim of this study is to present a new and suitable connection for I-shaped beams and box columns that is both constructionally convenient to implement and reliable in terms of its performance. Six full-scale experimental samples were constructed and subjected to cyclic Quasi-static loading. The first sample included an I-shaped beam which was directly connected to a box column, the second sample incorporated a channel link, and stiffened channel links were used in the remaining four samples. The results show that compared to the direct connection, using the stiffened channel link significantly improves the performance of the connection and increases its ultimate strength and ductility by 58% and 70%, respectively. Also, these connections satisfy the code-specified criteria for special moment resisting frames. They are therefore a suitable detail for rigid I-shaped-beam-to-box-column connections in seismically active regions.
-
Effects of RHS face deformation on the rigidity of beam-column connection
M.A. Hadianfard,H. Rahnema 국제구조공학회 2010 Steel and Composite Structures, An International J Vol.10 No.6
The rigid connections of I-beams to Rectangular Hollow Sections (RHS) in steel structures usually behave as semi-rigid connection. This behavior is directly related to the column face deformation. The deformation in the wall of RHS column in the connection zone causes a relative rotation between beam end and column axis, which consequently reduces the rigidity of beam-column connection. In the present paper, the percentages of connection rigidity reduction for serviceability conditions are evaluated by using the finite element analysis. Such percentages for RHS columns without internal stiffeners are considerable, and can be calculated from presented graphs
-
THE TRANSMANDIBULAR IMPLANT SYSTEM
문홍석,Moon, Hong-Seok 대한치과보철학회 1997 대한치과보철학회지 Vol.35 No.3
Transmandibular implant system은 하악골이 심하게 흡수된 환자에게 특히 유용하게 사용할 수 있다. 또한 여러 문헌에서도 높은 성공률을 보이고 있다. 저자가 시행한 증례에서도 환자는 높은 만족감과 의치의 안정성 및 저작효율의 증대를 보였다. 하지만 성공적인 보철물의 제작을 위해서는 신중한 진단과 치료계획 및 위에서 열거한 여러 가지 고려사항들을 참고해야 한다. Many of the problems which are faced to the edentulous patients are related to a minimal amount of available mandibular bone volume and height. Most of the patients with mild atrophy of the mandible are treated using endosseous implant prosthodontics. TMI(Trans-mandibular Implant) can be used in case of severe mandibular atrophy, poor bone quality, atrophy of the mandible with exposed of inferior alveolar nerve, osteoporosis and the fracture of the atrophic mandible. Also it can eliminate the need for bone grafting and vestibuloplasty. The TMI is a rigid box frame structure which controls and distribute the masticatory force over the severely resorbed mandible. The box frame structure consist of a superstructure, baseplate, 4 transosseous posts, and 5 cortical screws. This is a case report that also describes about the transmandibular implant reconstruction system.
-
다단실린더를 적용한 5톤 덤프트럭 적재함의 강성구조에 관한 연구
임경채 한국기계기술학회 2022 한국기계기술학회지 Vol.24 No.6
In this study, in order to review the structural stability of a Sub-frame assembly mounted on a 5-ton dump truck with a telescopic cylinder type that can secure price competitiveness through cost reduction effect and an extended loading box that satisfies automobile safety standards, the 3D shape design technique for a main component parts is presented. In addition, structural analysis based on the finite element method is performed with the load condition applied to a safety factor 3.0 and boundary condition assigned to the lower part of the Sub-frame. By comparing and examining the maximum stress result from the structural analysis of the entire Sub-frame assembly and individual component and a yield strength of each material applied to each component, a design technique that can assure the structural stability of the Sub-frame assembly is presented.
RISS
코리아스칼라연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
