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Showing 1 to 20 of 20 for “"lateral force resisting system"”.
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Bio-Inspired Segmented Self-Centering Rocking Frame
… and modeling of a human spine-inspired seismic lateral force resisting system. The overall goal is to create a design for a lateral force resisting system that reflects human spine behavior that is both practical and effective. The first phase of this project involved a literature review of the …
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Beam-column connection flexural behavior and seismic collapse performance of concentrically braced frames
… and field observations demonstrated that reserve lateral force-resisting capacity due to the flexural strength of connections outside the primary lateral force-resisting system of steel frames can maintain structural stability if the primary system is damaged. Several experimental studies were …
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Multi-hazard performance of steel moment frame buildings with collapse prevention systems in the central and eastern United States
… the potential for using a conventional main lateral-force resisting system, combined with the reserve strength in the gravity framing, and or auxiliary collapse-inhibiting mechanisms deployed throughout the building, or enhanced shear tab connections, to provide adequate serviceability …
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Behavior and large-scale experimental testing of Steel Plate Shear Walls with Coupling
… Steel Plate Shear Wall (SPSW) seismic lateral force resisting system. The SPSW system is composed of a steel frame with web plates between the beams and columns. In North America, the web plates of the SPSW are typically slender and unstiffened and dissipate energy through yielding of a …
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STRUCTURAL ASSESSMENT OF MULTIPLE STORY STEEL BUILDINGS SUBJECTED TO BLAST LOADS
… order to analyze the effects of blast loads on lateral force resisting systems in hardened multistory steel buildings. The results obtained are targeted towards improving the design of buildings such as hospitals and defense offices which must maintain some level of serviceable operations in the …
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Evaluating the Use of Ductile Envelope Connectors for Improved Blast Protection of Buildings
… the energy from a blast event, leaving the lateral force resisting system (LFRS) and envelope panel undamaged.
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System Identification of a Bridge-Type Building Structure
… structure supported on 4 concrete piers with a lateral force resisting system (LFRS) composed of ordinary moment frames in the N-S direction and braced frames in the E-W direction and vertically supported by a pair of trusses. The dynamic response of the Bridge House was investigated by means of …
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Lateral Load Behavior and Capacity of Structures Composed of Steel-Plate Composite (SC) Walls
… of the structural behavior of these walls and systems of connected walls is important since they are typically designed as the primary lateral force resisting system of the power plant. The objective of this research is to provide insight into the structural behavior from the perspective of the …
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Parametric study of timber shear walls
… shear walls comprise the vertical element of the lateral force resisting system in many low-rise buildings in North America. A typical shear wall consists of a solid panel product connected to a light timber frame with either a dowel-type fastener, such as nails, or elastomeric adhesives. Shear …
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Performance-based seismic engineering of low and medium-rise steel frames
… 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 expected damage, nonlinear models of …
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Experimental and Analytical Evaluation of FRP-Retrofitted Reinforced Concrete Diaphragms for In-Plane Shear Strengthening
Diaphragms are a key component of the horizontal lateral force resisting system (hLFRS) in a reinforced concrete (RC) structure and are crucial for providing sufficient load path to the vertical lateral force resisting system (vLFRS). Diaphragms may require retrofit due to the relocation of vLFRS …
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EXAMINATION OF PRECAST CONCRETE DIAPHRAGM SEISMIC RESPONSE BY THREE-DIMENSIONAL NONLINEAR TRANSIENT DYNAMIC ANALYSES
… proper hysteresis behavior for the diaphragm reinforcement, and developing appropriate lateral force resisting system (LFRS) models. A sensitivity analysis is performed for 3D NLTDA modeling to assist in creating an appropriate model.(2) Application of the model in integrated analysis-driven …
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Forced Vibration Testing and Analysis of Pre- and Post- Retrofit Buildings
<p>ABSTRACT</p> <p>Forced Vibration Testing and Analysis of Pre- and Post- Retrofit Buildings</p> <p>Erica Dawn Jacobsen</p> <p> The primary goal of the thesis was to detect the retrofit through vibration testing of both buildings. The secondary goal focused on correctly identifying the behavior of …
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Seismic Performance and Damage Risk of Modular CLT Housing Using Nonlinear Time History Analysis
… the latest platform-constructed CLT shear wall lateral-force resisting system included in ASCE 7-22 (2022) and were designed using prescriptive code-based methods to represent a feasible construction alternative. The analyses were conducted under the performance-based earthquake engineering …
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Performance of C-Shaped structural concrete walls subjected to bi-directional loading
Reinforced concrete walls are commonly used as the lateral force resisting system for mid-rise buildings in regions of low and high seismicity. Wall geometries in buildings are generally complex configurations to accommodate architectural constraints during new construction or existing conditions …
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Impact of cross section, web reinforcement and load history on the seismic performance of slender concrete walls
Many reinforced concrete buildings in seismic regions employ reinforced concrete shear walls as part of the lateral force resisting system and these walls often have non-planar cross-sectional geometries. To date, the majority of experimental tests on slender concrete walls have been conducted on …
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The Effects of Diaphragm Flexibility on the Seismic Performance of Light Frame Wood Structures
… varying aspect ratios, diaphragm flexibility and lateral force resisting system. Torsionally irregular house models showed the largest range of variation in peak base shear of individual shear walls, when corresponding flexible and rigid diaphragm models are compared. It is also found that …
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Experimental Program for Fiber Reinforced Polymer Retrofit of Reinforced Concrete Diaphragms
Lateral forces generated by wind, earthquakes, and other horizontal loads are trans-mitted from the floor diaphragms to the columns and walls that comprise the vertical lateral force resisting system in a building. Strengthening of the diaphragms in older reinforced concrete buildings may be …
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Analysis and Design of Fiber Reinforced Polymer Retrofit of Reinforced Concrete Diaphragms
In a building's lateral force resisting system (LFRS), structural elements are broadly categorized as horizontal, vertical, and foundation components. Diaphragms form the horizontal LFRS, transmitting lateral loads from earthquakes and wind events to vertical systems such as moment frames and shear …
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Computational and Experimental Study on the Behavior of Diaphragms in Steel Buildings
The lateral force resisting system (LFRS) of a steel building consist of two parts, i.e., a vertical LFRS such as braced frames or shear walls, and a horizontal LFRS with diaphragms playing a crucial role. There are various types of floor and roof diaphragms in steel buildings, such as …