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  1. APPLICATIONS OF CALCULATION CHANNEL FUNCTION IN HYBRID SIMULATION

    15 May 2014 | Publications | Contributor(s): Shawn You

    Sensor Noise Elimination Using Calculation Channel Function in Hybrid SimulationShawn YouHybrid simulation in earthquake simulation has become more and more popular. In this approach, the overall structure is modeled by analysis software, such as OpenSees. Some components in the structure are...

  2. PERFORMANCE OF INTERLOCKING COMPRESSED EARTH BLOCK INFILL IN CONFINED MASONRY CONSTRUCTION

    15 May 2014 | Publications | Contributor(s): Peter Laursen, Ivan Castro, Daniel Jansen, Bing Qu

    PERFORMANCE OF INTERLOCKING COMPRESSED EARTH BLOCK INFILL IN CONFINED MASONRY CONSTRUCTIONInterlocking compressed earth blocks (ICEBs) investigated herein are cement stabilized and used in dry stack masonry construction. ICEB construction is predominantly used in developing regions of the world,...

  3. Experimental Applications of 3D Position Monitoring Systems for Earthquake Engineering Research

    15 May 2014 | Publications | Contributor(s): Steven Fulmer, James Nau, Chad Goodnight, Mervyn Kowalsky, Nicole King Brown

    Experiential Applications of 3D Position Monitoring Systems for Earthquake Engineering ResearchTo satisfy the aims of performance based design, levels of damage which interrupt the serviceability of a structure or require more invasive repair techniques must be related to engineering criteria....

  4. FREQUENCY RESPONSE ANALYSIS FOR ACTAUTOR TRACKING EVALUATION IN REAL-TIME HYBRID SIMULATIONS OF LARGE-SCALE MAGNETO-RHEOLOGICAL DAMPERS

    15 May 2014 | Publications | Contributor(s): cheng chen

    FREQUENCY RESPONSE ANALYSIS FOR ACTAUTOR TRACKING EVALUATION IN REAL-TIME HYBRID SIMULATIONS OF LARGE-SCALE MAGNETO-RHEOLOGICAL DAMPERSActuator delay compensation plays a critical role to achieve reliable real-time hybrid simulations for seismic performance evaluation of civil engineering...

  5. Cyclic Behavior of Deep Steel Columns Subjected to Large Drifts, Rotations, and Axial Loads

    15 May 2014 | Publications | Contributor(s): Shokoufeh Zargar, Ricardo A. Medina, Eduardo Miranda

    Cyclic Behavior of Deep Steel Columns Subjected to Large Drifts, Rotations, and Axial LoadsThere is a scarcity of available experimental data on the cyclic response of deep wide sections subjected to large drift, rotation, and axial load demands. This issue is relevant to collapse simulation...

  6. Pseudo Dynamic Test Results of a Concrete Gravity Dam

    15 May 2014 | Publications | Contributor(s): Alper Aldemir, Baris Binici, Erdem Canbay, Ozgur Kurc, Yalin Arici

    Pseudo Dynamic Test Results of a Concrete Gravity DamThe energy and water demands have constantly been increasing all over the world due to rising population and due to advances in science. This fact obligates the usage of natural resources to supply more and more water and energy. Of course,...

  7. Test Method for Evaluating the Effect of Artifacts on Seismic Behavior of Moment Frames

    15 May 2014 | Publications | Contributor(s): Ebrahim Abbas, Matthew Eatherton

    Test Method for Evaluating the Effect of Artifacts on Seismic Behavior of Moment FramesThe seismic performance of moment frames depends on ductile behavior of the beam plastic hinge region. Although there is virtually no supporting test data, fasteners and defects are conservatively not allowed...

  8. Development of Loading Protocols for Experimental Testing of Steel Columns Subjected to Combined High Axial Load and Lateral Drift Demands Near Collapse

    15 May 2014 | Publications | Contributor(s): Yusuke Suzuki, Dimitrios Lignos

    Development of Loading Protocols for Experimental Testing of Steel Columns Subjected to Combined High Axial Load and Lateral Drift Demands Near CollapseA number of large magnitude earthquakes around the world (e.g., Northridge Earthquake 1994, Hyogoken-Nanbu Earthquake 1995, East Japan and...

  9. EXPERIMENTAL AND ANALYTICAL RESPONSE OF RC WALL BOUNDARY ELEMENTS

    15 May 2014 | Publications | Contributor(s): Leonardo Massone, Pablo Polanco, Pablo Herrera

    EXPERIMENTAL AND ANALYTICAL RESPONSE OF RC WALL BOUNDARY ELEMENTSThe past February 27, 2010, a Mw8.8 earthquake hit central-south Chile, where major cities and most of the population lives. Modern construction presented damage in RC shear walls, although for a small percentage of the available...

  10. A New Method of Shaking Table Test Overcoming the Law of Similarity on Reduced Steel Frame

    15 May 2014 | Publications | Contributor(s): Yuko Shimada, Satoshi Yamada

    A New Method of Shaking Table Test Overcoming the Law of Similarity on Reduced Steel FrameIt is important to grasp collapse behaviors of buildings in order to evaluate seismic safety of buildings. Full-scale shaking table test is the most effective way to examine collapse behaviors of buildings....

  11. An Experimental Study of Damage Detection using Removable Braces

    15 May 2014 | Publications | Contributor(s): Graham Archer, Cole McDaniel

    An Experimental Study of Damage Detection using Removable BracesIn 1965, a class of undergraduate students launched a project to utilize the rough terrain surrounding their local campus. Their solution was to span a ravine with a bridge-like steel structure similar to that of Mies Van Der Rohe’s...

  12. Application of Multiple Digital Image Correlation Sensors in Earthquake Testing

    15 May 2014 | Publications | Contributor(s): Michael McGinnis, Steve Barbachyn, Yahya Kurama

    Application of Multiple 3-D Digital Image Correlation Sensors in Earthquake TestingOver the past several decades, large-scale structural testing has become ever more expensive, and researchers are pushing to capture more and better data with each structural test conducted. Earthquake testing in...

  13. Modeling and Implementation of Distributed Real-time Hybrid Simulation

    15 May 2014 | Publications | Contributor(s): Amin Maghareh, Ali Ozdagli, Shirley Dyke

    Modeling and Implementation of Distributed Real-time Hybrid SimulationIn order to improve the current knowledge on structural behavior subject to extreme dynamic loading and mitigate the existing threats against civil infrastructures, embracing the new technologies in experimental evaluation of...

  14. STRUCTURAL HEALTH MONITORING USING STRONG AND WEAK EARTHQUAKE MOTIONS

    15 May 2014 | Publications | Contributor(s): Ruben Boroschek, Pablo Leon, Antonio Aguilar

    STRUCTURAL HEALTH MONITORING USING STRONG AND WEAK EARTHQUAKE MOTIONSThis article presents the Structural Health Monitoring System of the Central Tower at the Faculty of Physical and Mathematical Science of the University of Chile. The building has been continuously monitored since 2009 with a...

  15. Experimental Modeling of the Structural Response to Fire Loads using the Hybrid Simulation Technique

    15 May 2014 | Publications | Contributor(s): Catherine Whyte, Kevin Mackie, Bozidar Stojadinovic

    Experimental Modeling of the Structural Response to Fire Loads using the Hybrid Simulation TechniqueHybrid simulation is a method for investigating the response of structures to loads using a hybrid model that comprises physical and numerical parts. The numerical portions of the hybrid model are...

  16. Intuitive Real-time Compensation Algorithm for Actuator Control Errors in Fast PSD Test

    15 May 2014 | Publications | Contributor(s): Ronald Gultom

    Accurate simulation of inertial and damping properties in real-time pseudodynamic testsThe pseudodynamic (PSD) test method represents a practical alternative to shake table tests for simulating the effects of ground motion on structures. Recent advances in the technique has enabled PSD tests to...

  17. AN INVESTIGATION OF BOND-SLIP BEHAVIOR OF REINFORCING STEEL SUBJECTED TO INELASTIC STRAINS

    15 May 2014 | Publications | Contributor(s): Xiao Liang, Sri Sritharan

    AN INVESTIGATION OF BOND-SLIP BEHAVIOR OF REINFORCING STEEL SUBJECTED TO INELASTIC STRAINSLongitudinal bar slip resulting from strain penetration at the end of flexural concrete members will result in a member end rotation and additional lateral deformations in members such as walls, columns and...

  18. Preliminary Results for NEESR Full-Scale RC Column Tests under Collapse-Consistent Loading Protocols

    15 May 2014 | Publications | Contributor(s): Alireza Nojavan, Arturo E. Schultz, Shih-Ho Chao, Sanputt Simasathien, Guillermo Palacios, Xuejian Liu, Curt Haselton

    Preliminary Results of NEESR Full-Scale RC and UHPFRC Columns Subjected to Collapse-Consistent Loading Protocols for Enhanced Collapse Simulation and Internal Damage Characterization ProjectDirect collapse simulation is a critical tool to understand the behavior of reinforced concrete (RC)...

  19. EXPERIMENTAL RESPONSE OF BOUNDARY ELEMENTS OF CODE-COMPLIANT REINFORCED CONCRETE SHEAR WALLS

    15 May 2014 | Publications | Contributor(s): Carlos Arteta, Duy To, Jack Moehle

    EXPERIMENTAL RESPONSE OF BOUNDARY ELEMENTS OF CODE-COMPLIANT REINFORCED CONCRETE SHEAR WALLSReinforced concrete shear walls are widely used in earthquake-resistant building construction because, in addition to being economical, they are capable of providing required stiffness, strength, and...

  20. Characterization of Fluid Viscous Dampers for Shock Excitation

    15 May 2014 | Publications | Contributor(s): Ravi Sinha, Dilip Narkhede

    Characterization of Fluid Viscous Dampers for Shock ExcitationFluid viscous dampers (FVDs) are especially attractive for enhancing the performance of the structure subject to dynamic excitation because they not only reduce the deformation demand but also the force demand. The control of...