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Journal articles on the topic "Structural frames":
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Soetanto, R., J. Glass, A. R. J. Dainty, and A. D. F. Price. "Structural frame selection: case studies of hybrid concrete frames." Building Research & Information 35, no. 2 (March 20, 2007): 206–19. http://dx.doi.org/10.1080/09613210600809029.
In seismic design, structural irregularity has been found to have a significant influence on structural response. The impact of structural irregularity on the global response of steel frame structures subjected to blast loading has not been examined. In the paper, six seismically designed steel framed structures are considered: moment resisting frames (MRF), concentrically braced frames (CBF) and eccentrically braced frames (EBF) each with geometric irregularity in the plan and with a geometric irregularity in the elevation. The blast loads are assumed to be unconfined, free air burst detonated 15 ft from one of the center columns. The structures are modeled and analyzed using the Applied Element Method, which allows the structure to be examined during and through structural failure. A plastic hinge analysis is performed as well as a comparative analysis observing roof deflection and acceleration to determine the effect of geometric irregularity under extreme blast loading conditions. Two different blast locations are examined. Conclusions of this research are a concentrically braced frame provides somewhat of a higher level of resistance to blast loading for irregular structures and geometric irregularity has an impact on the response of a structure subjected to blast loading.
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Pakizeh, Mohammad Rezaeian, Abdul Kadir Marsono, and Masine M. Tap. "Structural System of Safe House against Tornado and Earthquakes." Key Engineering Materials 594-595 (December 2013): 449–54. http://dx.doi.org/10.4028/www.scientific.net/kem.594-595.449.
Every year earthquakes, tornadoes and other extreme windstorm cause fatalities or even kill people, devastate and millions of dollars worth of property. The likelihood that a tornado will strike building is a matter of probability. The study describes the analysis and design, the engineering process the new type of tornado safe room (Fig. 1) according to the FEMA guidance. It also evaluates the effects of in-fill frames and the linear response of reinforced concrete braced frames and comparison with frames with shear wall. The main conclusion drawn from this study is to elaborate that the masonry in-fills, are strongly influence the structural seismic response and contribute to the overall stiffness and can decrease drifts and displacements. Infill walls have significant role in the strength and ductility of RC framed structures and should be considered in both analysis and design globally. These walls make the structure significantly stiffer, and reduce the natural period of the structure. Locally, infill walls changed the load path, the distribution of forces between different elements of the structure, and the change the demand of forces on their adjacent elements of the bounding frame. Due to the high relative stiffness of the infill frames, they act as the main lateral load-resisting system and attract larger portions of the earthquake and tornado induced inertia forces.
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Mo, Y. L., and S. F. Perng. "Behavior of Framed Shearwalls Made of Corrugated Steel under Lateral Load Reversals." Advances in Structural Engineering 3, no. 3 (July 2000): 255–62. http://dx.doi.org/10.1260/1369433001502184.
Reinforced concrete buildings with shearwalls are very efficient to resist earthquake disturbances. In general, reinforced concrete frames are governed by flexure and low-rise shearwalls are governed by shear. If a structure includes both frames and shearwalls, it is generally governed by shearwalls. However, the ductility of ordinary reinforced concrete framed shearwalls is very limited. The experiments on framed shearwalls made of corrugated steel was recently reported. It was found that the ductility of framed shearwalls can be greatly improved if the thickness of the corrugated steel wall is appropriate to the surrounding reinforced concrete frame. If the thickness of the corrugated steel wall is too large when compared to the surrounding frame, the ductility will be reduced. It is shown in this paper that the fiber-reinforced plastic composites can be used to strengthen the critical regions of the reinforced concrete frames, so that the seismic behavior (including ductility and energy dissipation capability) is greatly improved.
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Park, Seon-Chee, Won-Kee Hong, Sunkuk Kim, and Xiangyu Wang. "Mathematical Model of Hybrid Precast Gravity Frames for Smart Construction and Engineering." Mathematical Problems in Engineering 2014 (2014): 1–14. http://dx.doi.org/10.1155/2014/916951.
The structural stability, constructability, economic feasibility, environmental-friendliness, and energy efficiency of hybrid composite frame systems have been demonstrated by practical application and research. A hybrid composite frame system combines the economy of precast concrete structures with the constructability of steel frame structures, including erection speed. Novel composite frames will ultimately maximize the efficiency of structural design and facilitate construction. This paper presents hybrid precast frames, which are precast composite frames based on a simple connection between precast concrete columns and beams. The hybrid precast frames designed to resist gravity loading consist of PC columns, PC beams, and steel inserted in the precast members. Steel sections located between the precast columns were simply connected to steel inserted at each end of the precast beams. Dynamic analysis of a 15-story building designed with the proposed composite frame was performed to determine the dynamic characteristics of a building constructed of hybrid frames, including frequencies and mode shapes.
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Oh, Sang Hoon, and Hong Sik Ryu. "Seismic Performance of Steel Frames for Sustainable Structural System." Applied Mechanics and Materials 204-208 (October 2012): 2705–12. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.2705.
A test on a full-scale model of a three-spans and two-story steel moment frame with dampers and releasable slab was conducted. The details of the test frames, test instruments, set-up procedures, and test procedures were presented. The column and beam were connected by dampers that could initiate the plastic deformation during cyclic loading before damage occurred in the beam and column. The precast concrete slab was designed to be releasable and for saving story height. The primary objective of this test was to verify structural performance and constructability of a full-scale sustainable steel frame. Test results confirm that the sustainable frame showed stable hysteretic behavior without any serious damage up to a drift angle of 1/12; and the sustainable frames were released systematically in spite of serious cyclic loading.
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Kumar, Puneet, and Gaurav Srivastava. "Numerical modeling of structural frames with infills subjected to thermal exposure." Journal of Structural Fire Engineering 8, no. 3 (September 11, 2017): 218–37. http://dx.doi.org/10.1108/jsfe-05-2017-0031.
PurposeReinforced concrete structural frames with masonry infills (infill-frames) are commonly used for construction worldwide. While the behavior of such frames has been studied extensively in the context of earthquake loading, studies related to their fire performance are limited. Therefore, this study aims to characterize the behavior of infill-frames under fire exposure by presenting a state-of-the-art literature review of the same.Design/methodology/approachBoth experimental and computational studies have been included with a special emphasis on numerical modeling (simplified as well as advanced). The cold behavior of the infill-frame and its design requirements in case of fire exposure are first reviewed to set the context. Subsequently, the applicability of numerical modeling strategies developed for modeling cold infill-frames to simulate their behavior under fire is critically examined.FindingsThe major hurdles in developing generic numerical models for analyzing thermo-mechanical behavior of infill-frames are identified as: lack of temperature-dependent material properties, scarcity of experimental studies for validation and idealizations in coupling between thermal and structural analysis.Originality valueThis study presents one of the most popular research problems connected with practical and reliable utilization of numerical models, as a good alternative to expensive traditional furnace testing, in assessing fire resistance of infill-frames. It highlights major challenges in thermo-mechanical modeling of infill-frames and critically reviews the available approaches for modeling infill-frames subjected to fire.
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Dawe, J. L., A. B. Schriver, and C. Sofocleous. "Masonry infilled steel frames subjected to dynamic load." Canadian Journal of Civil Engineering 16, no. 6 (December 1, 1989): 877–85. http://dx.doi.org/10.1139/l89-130.
Experimentally determined dynamic responses of ten scale models of masonry infilled steel frames were compared with the results of three simple analytical models. Effects investigated included stiffening and strengthening contribution of the masonry infill, degradation of the system, motion intensity, frame stiffness, and rotational joint rigidity at slab-to-column intersections. Tests on one-third scale models, subjected to sinusoidal motions, revealed that masonry infill markedly increases the dynamic strength and stiffness of the system. At weak-to-moderate motions (below 0.5 g), models exhibited a nonlinear response before the final failure, while strong motions accelerated the system degradation rate. Stiffer frames and rotationally rigid joints resulted in significantly increased system dynamic strength. A braced frame model wherein cross-bracing replaces the panel action adequately predicted linear and lower-region nonlinear responses of infilled frames with flexible column-to-slab rotational conditions. Satisfactory predictions of the linear response of framed walls with rigid column-to-slab rotational conditions were made with a single degree of freedom model. The third analytical model based on an equivalent strut technique was found to be unsatisfactory for predicting dynamic response of masonry infilled frames. Key words: masonry panel, steel frame, shear, dynamic, analytical, experimental.
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Soleimani, Reza, Horr Khosravi, and Hamed Hamidi. "Substitute Frame and adapted Fish-Bone model: Two simplified frames representative of RC moment resisting frames." Engineering Structures 185 (April 2019): 68–89. http://dx.doi.org/10.1016/j.engstruct.2019.01.127.
Kim, Yeon Su, Sung Hyuk Park, Rag Gyo Jeong, and Tae Kon Lim. "Structural Safety Evaluations of Bogie Frames for Rubber-Tired AGT Vehichles." Key Engineering Materials 321-323 (October 2006): 1491–94. http://dx.doi.org/10.4028/www.scientific.net/kem.321-323.1491.
This study was aimed at evaluating the structural safety of the new bogie frames for Korean-standardized rubber-tired AGT vehicles. The guidance frame and the rotation frame were designed according to Korean-standardized specifications for rubber-tired AGT vehicles, and their stresses were analyzed by using the finite element method. Based on the results of the analysis, dynamic stresses were measured while the train was running under various conditions in the test track. Analytical and experimental results verified the structural safety of the new bogie frames.
Dissertations / Theses on the topic "Structural frames":
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Rudman, Chantal. "Investigation into the structural behaviour of portal frames." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/1853.
White, M. J. "Dynamic characteristics of infilled frames." Thesis, University of Bradford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355241.
Yan, Zhihao, and 阎志浩. "Nonlinear dynamic analysis and strcutural identification of frames." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43224076.
Yan, Zhihao. "Nonlinear dynamic analysis and strcutural identification of frames." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43224076.
Dai, Li. "Design and structural analysis of sofa frames." Diss., Mississippi State : Mississippi State University, 2007. http://library.msstate.edu/etd/show.asp?etd=etd-10262007-100150.
羅征桂 and Ching-quei Lo. "Study of multibay and multistorey infilled frames." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1988. http://hub.hku.hk/bib/B31231640.
Lo, Ching-quei. "Study of multibay and multistorey infilled frames /." [Hong Kong] : University of Hong Kong, 1988. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12428620.
Sawan, Hassan Tayseer. "NONLINEAR STABILITY OF PORTAL FRAMES WITH ELASTIC END RESTRAINTS." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275410.
Hartmann, Friedel, and Casimir Katz. "Frames." In Structural Analysis with Finite Elements, 211–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-05423-9_3.
Jeż, Łukasz, Yishay Mansour, and Boaz Patt-Shamir. "Scheduling Multipacket Frames with Frame Deadlines." In Structural Information and Communication Complexity, 76–90. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-25258-2_6.
McKenzie, William M. C., and Binsheng Zhang. "Pin-Jointed Frames." In Examples in Structural Analysis, 62–156. 3rd ed. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003195245-3.
McKenzie, William M. C., and Binsheng Zhang. "Rigid-Jointed Frames." In Examples in Structural Analysis, 318–461. 3rd ed. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003195245-5.
Paz, Mario, and William Leigh. "Dynamic Analysis of Plane Frames." In Structural Dynamics, 353–79. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4615-0481-8_11.
Paz, Mario, and William Leigh. "Dynamic Analysis of Grid Frames." In Structural Dynamics, 381–405. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4615-0481-8_12.
Conference papers on the topic "Structural frames":
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Lyu, Naesung, and Kazuhiro Saitou. "Decomposition-Based Assembly Synthesis of Space Frame Structures Using Joint Library." In ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/detc2004-57301.
This paper presents a method for identifying the optimal designs of components and joints in the space frame body structures of passenger vehicles considering structural characteristics, manufacturability and assembleability. Dissimilar to our previous work based on graph decomposition, the problem is posed as a simultaneous determination of the locations and types of joints in a structure and the cross sections of the joined structural frames, selected from a predefined joint library. The joint library is a set of joint designs containing the geometry of the feasible joints at each potential joint location and the cross sections of the joined frames, associated with their structural characteristics as equivalent torsional springs obtained from the finite element analyses of the detailed joint geometry. Structural characteristics of the entire structure are evaluated by finite element analyses of a beam-spring model constructed from the selected joints and joined frames. Manufacturability and assembleability are evaluated as the manufacturing and assembly costs estimated from the geometry of the components and joints, respectively. The optimization problem is solved by a multi-objective genetic algorithm using a direct crossover. A case study on an aluminum space frame (ASF) of a middle size passenger vehicle is discussed.
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Schioler, T., and S. Pellegrino. "Multi-configuration Space Frames." In 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2004. http://dx.doi.org/10.2514/6.2004-1529.
CANFIELD, ROBERT. "Design of frames against buckling using a Rayleigh Quotient Approximation." In 33rd Structures, Structural Dynamics and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1992. http://dx.doi.org/10.2514/6.1992-2249.
Issa, H. K. "Simplified structural analysis of steel portal frames developed from structural optimization." In OPTI2012. Southampton, UK: WIT Press, 2012. http://dx.doi.org/10.2495/op120051.
Ye, Hua, and Sergio Pellegrino. "Bi-stable Space Frames." In 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-1870.
DING, Y., and B. ESPING. "Optimum design of frames with beams of different cross-sectional shapes." In 27th Structures, Structural Dynamics and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1986. http://dx.doi.org/10.2514/6.1986-918.
CHUANG, CHING, and GENE HOU. "Eigenvalue sensitivity analysis of planar frames with variable jointand support locations." In 32nd Structures, Structural Dynamics, and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1991. http://dx.doi.org/10.2514/6.1991-1091.
Heidari, Alireza, Vera V. Galishnikova, and Iradj Mahmoudzadeh Kani. "A Protective Structure, Saver During Structural Collapse." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47076.
In this paper a new protective structure is designed to save human life, in the event of the structural collapse due to an earthquake, terrorist attack or other catastrophic events. The life-saver device discussed here is a moment resisting 3-D steel or composite frames that encapsulates a single or double bedstead, board in the kitchen, worktable in the office or other cases as appropriate. The frame consists of a number of beam-columns of angle cross-section bolted together by gusset plates and topped with a thin steel plate or a rectangular rebar mesh. The collapse of walls and ceiling on top of this structure will result in large plastic deformations in various sections of the frame whereby the energy of the falling debris is dissipated. Despite these large deflections, no harm is inflicted upon the people sleeping inside the frame. The physical behavior of this new life-saving device under real situation of structural collapse also is modeled in ANSYS LS-DYNA software. Combined nonlinear analysis of the frame is performed under dynamic loads developed; the stresses and deformations are carried out. Austenitic twinning induced plasticity (TWIP) steel which has a good combination of both strength and ductility also has been used for modeling and designing this structure and the results has been compared with ordinary steels. The design is verified for the emergency limit state considering the safety of people inside the protective structure.
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Pearson, Dustin, Robert Hindley, and John Crocker. "Icebreaker Grillage Structural Interaction and the Characteristic Stiffness Curve." In SNAME 5th World Maritime Technology Conference. SNAME, 2015. http://dx.doi.org/10.5957/wmtc-2015-159.
The structural components of a typical icebreaker hull grillage section consist of hull plating, main frames, web frames and stringers. The grillage section is the main structure resisting local ice loads during icebreaking and maneuvering operations. As such, the structural integrity of the icebreaker is largely dependent on the design strength of the grillage sections along the length of the vessel. The latest release of the IACS Unified Requirements for Polar Ships specifically pertains to structural design of these local grillage sections. Within the IACS Unified Requirements, prescriptive formulas are used to define the hull plating and main frame strength requirements as a function of stiffening direction, longitudinal/vertical location and operational requirements. The stringer and web frame stability requirements however, are limited to meeting empirical criteria. Limited examples of stringer and web frame prescriptive design strength formulations are available in the literature. These formulations may lead to an overly conservative stringer or web frame section design due to the challenge of representing the grillage section structural component interaction. To properly understand the structural interaction of icebreaker grillage section components, LR has used nonlinear finite element methods to compute the characteristic stiffness curve well into plasticity. The characteristic stiffness curve is considered representative of the effective structural interaction of the section components and has been found to relate directly to the section design methodology (elastic or plastic). This paper presents the development of these stiffness curves; the relationship between stiffness curve characteristics and design methodology; and how stiffness curves may be used for structural design and verification.
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Perez, Jose, Eric Johnson, and Richard Boitnott. "Tests of braided composite fuselage frames under radial inward load." In 41st Structures, Structural Dynamics, and Materials Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2000. http://dx.doi.org/10.2514/6.2000-1547.
Flanagan, R. D. Behavior of structural clay tile infilled frames. Office of Scientific and Technical Information (OSTI), December 1994. http://dx.doi.org/10.2172/130659.
Bennett, R. M., J. J. Fowler, and R. D. Flanagan. Shake table testing of structural clay tile infilled frames. Office of Scientific and Technical Information (OSTI), March 1996. http://dx.doi.org/10.2172/414624.
Fowler, Joele Johnston. Analysis of dynamic testing performed on structural clay tile infilled frames. Office of Scientific and Technical Information (OSTI), December 1994. http://dx.doi.org/10.2172/125378.
Shen, Yanfei, Rolando Chacon, Itsaso Arrayago, and Esther Real. ON THE INFLUENCE OF INITIAL GEOMETRIC IMPERFECTIONS AND SECOND ORDER EFFECTS ON THE STRUCTURAL BEHAVIOR OF AUSTENITIC STAINLESS STEEL FRAMES. The Hong Kong Institute of Steel Construction, December 2018. http://dx.doi.org/10.18057/icass2018.p.070.
Parker, A. W. LAr Dewar Coil Feed Frame Pipe Analysis (Structural Analysis of General Structures, SAGS). Office of Scientific and Technical Information (OSTI), January 1990. http://dx.doi.org/10.2172/1031854.
Ellis, S. APT/LEDA RFQ and support frame structural analysis. Office of Scientific and Technical Information (OSTI), April 1997. http://dx.doi.org/10.2172/459864.
Johnson, Frank R., Jr Fletcher, and Paul E. S7001 User's Guide. Version 1.0. Static Analysis of Framed Structures. Fort Belvoir, VA: Defense Technical Information Center, July 1989. http://dx.doi.org/10.21236/ada236733.
Yancey, Charles W., Geraldine S. Cheok, Fahim Sadek, and Bijan Mohraz. A summary of the structural performance of single-family, wood-frame housing. Gaithersburg, MD: National Institute of Standards and Technology, 1998. http://dx.doi.org/10.6028/nist.ir.6224.
Lesieutre, George A., Mary I. Frecker, Farhan S. Gandhi, Deepak Ramrakhyani, Smita Bharti, Jamie Browne, Raymond K. Olympio, and Vipul Mehta. Compliant Frame: A New Paradigm to Enable Reconfigurable Aircraft Structures. Fort Belvoir, VA: Defense Technical Information Center, February 2007. http://dx.doi.org/10.21236/ada478653.
Du, Er-feng, Gan-ping Shu, Xiao Lv, and Le Qin. THE STRUCTURAL BEHAVIOR OF A PORTAL FRAME BUILDING SUBJECTED TO A LOCALIZED FIRE. The Hong Kong Institute of Steel Construction, December 2018. http://dx.doi.org/10.18057/icass2018.p.144.
