Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 19 of 19 for “"Moment Resisting Frames"”.
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Effect of seismic loading on steel moment resisting frames
In recent history, the use of Steel Moment Resisting Frames (SMRF) in many structural steel buildings has become popular among many engineers and designers. The use of these moment resisting frames allows for more open spaces between floors and columns than in buildings that use the more …
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Advances in structural robustness of reinforced concrete moment resisting frames
L'abstract è presente nell'allegato / the abstract is in the attachment
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Dynamic amplification factor for moment resisting frames in progressive collapse
… amplification factor. In this thesis, various frames were analyzed using SAP2000 for all four analysis methods and the results were used to make recommendations regarding a more appropriate dynamic amplification factor. Additionally, the role of dynamic and nonlinear effects were observed and …
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Response modification factor of reinforced concrete moment resisting frames in developing countries
… the R factor of reinforced concrete (RC) moment resisting frames (MRFs) in Pakistan. A suite of ground motion records from the region is used in the study. Two-dimensional building models are developed in OpenSees and subjected to nonlinear time history analysis. Fiber sections with …
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Application of SMA fiber composite as seismic reinforcement for concrete moment resisting frames
… as reinforcing bars in reinforced concrete (RC) moment resisting frames (MRFs) to improve the performance of the frames in terms of reducing residual inter-story drifts and damage under earthquake loading, while still maintaining the elastic characteristics associated with FRP. SMA fibers, …
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Modeling and Behavior of the Beam/Column Joint Region of Steel Moment Resisting Frames
… yielding on the stiffness and strength of steel moment resisting frames (SMRF) has been the topic of numerous papers over the past thirty years. When properly detailed, the PZ is an excellent source of energy dissipation, even under large inelastic deformations. Due to these large inelastic …
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Use of Incremental Dynamic Analysis to Assess the Performance of Steel Moment-Resisting Frames with Fluid Viscous Dampers
… to assess the seismic performance of steel moment-resisting frames with fluid viscous dampers subjected to earthquake ground motions. The study systematically investigated the effects of linear and nonlinear dampers on the response of steel moment-resisting frames to earthquakes that varied …
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A Variable Stiffness Energy Dissipation Device for Vibration Control of Steel Frames
… enhancing the seismic performance of shear and moment resisting frames. Additionally, design guidelines on how to apply the proposed device to moment resisting frames are provided. Over the years, various types of energy dissipation devices have been developed and used to dissipate energy …
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Seismic Design Studies of Low-Rise Steel Frames
… behavior of low-rise buildings with steel moment-resisting frames providing the lateral resistance for strong ground motions was examined. The inelastic behavior of frames is dependent on several parameters such as design base shear, beam-to-column strength ratio, moment-resisting …
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Performance-based seismic engineering of low and medium-rise steel frames
… performance level of low and medium-rise steel frames designed according to the common force/strength approach of the UBC or NEHRP is determined. Several combinations of soil profile type, lateral-force-resisting system, and frame-member proportioning are included in the designs. To evaluate the …
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Study of seismic control systems on the behaviour of industrial storage racks
… directions using two different frame systems: moment resisting frames in down aisle direction and braced frames in cross aisle direction. The design of racks is different from typical buildings because they are made of slender thin walled members, hence, making them sensitive to global, local, …
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Estimation of Earthquake Input Energy, Hysteretic Energy and its Distribution in MDOF Structures
… intensity. A third approach, which has gained momentum in the earthquake engineering community, is the energy-based approach. In this approach, a design is considered satisfactory if the capacity of a structure to absorb or dissipate energy exceeds its energy demand from an earthquake. In the …
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Evaluating the Effect of Decking Fasteners on the Seismic Behavior of Steel Moment Frame Plastic Hinge Regions
A series of full-scale beam-to-column moment connection tests were completed to determine the effects of powder actuated fasteners (PAF) and puddle welds on the seismic behavior of steel moment connections. In seismic regions, PAF are currently prohibited in the connection region (referred to as …
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The Effects of Shear Deformation in Rectangular and Wide Flange Sections
… considered in structural analysis of beams and frames. But shear deformations in members with low clear span-to-member depth ratio will be higher than normally expected, thus adversely affecting the stiffness of these members. Inclusion of shear deformation in analysis requires the values of …
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Estudio de estructuras aporticadas prefabricadas con uniones basadas en hormigones con fibras
… stage, a new interior beam-column connection for moment resisting frames was proposed and tested. The proposed configu¬ration has characteristics which make it different from former proposals, gives alternative solutions to some common drawbacks in this kind of connections and defines an …
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Study on Bandgap Manipulation and Structural Vibration Control in Sandwich Metastructures
… basis, the lightweight design of seismic steel frames with sandwich metastructures is further carried out by considering multi-level seismic performance. The main contents and conclusions of this dissertation are summarized as follows: (1) To address the difficulty of simultaneously achieving …