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  1. MEASURES DEVELOPED IN JAPAN AFTER THE 1964 NIIGATA EARTHQUAKE TO COUNTER THE LIQUEFACTION OF SOIL

    10 Jul 2014 | Publications | Contributor(s): K. Harada, S. Yasuda

    MEASURES DEVELOPED IN JAPAN AFTER THE 1964 NIIGATA EARTHQUAKE TO COUNTER THE LIQUEFACTION OF SOIL In Japan, many remediation methods against liquefaction have been developed since the 1964 Niigata Earthquake, which caused severe damage to structures due to liquefaction. The methods are...

  2. Seismic Behavior of Reinforced Concrete Structural Walls based on the Japanese Domestic Research Efforts

    15 May 2014 | Publications | Contributor(s): Susumu Kono, Yasushi Sanada, Masanobu Sakashita, Minehiro Nishiyama, Toshikatsu Ichinose, Susumu Takahashi, Masanori Tani, Hiroshi Fukuyama, Toshimi Kabeyasawa

    Displacement Based Design Criteria for Reinforced Concrete Structural Walls based on the Japanese Domestic Research EffortsThe ministry of land, infrastructure, transport and tourism (MLIT, or so called the ministry of construction) in Japan has been promoting multiple nationwide research...

  3. 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...

  4. Performance of Slender Reinforced Concrete Walls under Significant Lateral Loads

    15 May 2014 | Publications | Contributor(s): Travis Welt, Ahraaz Qureishi, James LaFave, Dawn Lehman, Steven McCabe

    Assessment of the Performance of Slender Reinforced Concrete Walls under Significant Lateral LoadsTravis WeltRecent earthquakes in Chile and New Zealand provide significant opportunity for real-world evaluation of seismic performance of modern reinforced concrete structural walls. Observations...

  5. 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,...

  6. A Data Curation and Dissemination System for Earthquake Engineering

    15 May 2014 | Publications | Contributor(s): Thomas Hacker, Standa Pejsa, JoAnn Browning

    A Data Curation and Dissemination System for Earthquake EngineeringThomas HackerOver the past three years, the NEES project has developed a cyberinfrastructure that supports the collection, archiving, and dissemination of experimental and simulation data. During the development of this system,...

  7. Seismic Performance of Sliding Contents in Base-Isolated Buildings

    15 May 2014 | Publications | Contributor(s): Dimitrios Konstantinidis, Farzad Nikfar

    Sliding Response Analysis of Equipment in Base Isolated BuildingsDimitrios Konstantinidis, Farzad NikfarSliding of building objects, such as equipment, is of primary concern during an earthquake because it can contribute to substantial losses. This paper investigates the dynamics of equipment in...

  8. Seismicity of the Middle East: A Revision on the Seimicity Parameters

    15 May 2014 | Publications | Contributor(s): Mehdi ZARE, Hamideh Amini, Pouye Yazdi

    Seismicity of the Middle East: A Revision on the Seimicity ParametersMehdi ZARE, Hamideh Amini, Pouye YazdiThe seismicity of the middle east is considered in this article in view point of the reevaluation of earthquake hazard in the region. The Middle East region with high range of seismicity...

  9. Seismic Isolation of 200 Year Old Heritage Cathedrals in Haiti

    15 May 2014 | Publications | Contributor(s): H Kit Miyamoto, Amir Gilani, Akira Wada, Devis Sonda

    Seismic evaluation and retrofit of heritage buildings using seismic isolation and structural intervention based on advanced analysisHistoric and heritage building present a unique class of structures. These buildings form a cultural pillar of the communities and thus require preservation....

  10. Proposed new approach for the seismic evaluation testing of suspended ceiling systems

    15 May 2014 | Publications | Contributor(s): Amir Gilani, Shakhzod Takhirov, Lee Tedesco

    Proposed new approach for the seismic evaluation testing of suspended ceiling systemsAmir Gilani, Shakhzod Takhirov, Lee TedescoIn the past decade a significant number of shake table tests of suspended ceilings have been conducted in the United States. The data collected has been used to...

  11. Seismic testing of non-structural components and assessment of the prescribed response spectrum

    15 May 2014 | Publications | Contributor(s): Amir Gilani, Shakhzod Takhirov, Lee Tedesco

    Seismic testing of non-structural components and assessment of the prescribed response spectrumThe current US building code specifies seismic certification by means of shake table tests of nonstructural components. A brief review of current status of non-structural testing in the United States...

  12. Full-scale Testing of High-voltage Electrical Equipment:

    15 May 2014 | Publications | Contributor(s): Amir Gilani, Shakhzod Takhirov, Eric Fujisaki

    Full-scale Testing of high-voltage Electrical Equipment:High-voltage substation equipment have sustained significant damage during the past earthquakes resulting in financial loss for utilities, disruption of electrical services, and delayed recovery. To mitigate these failures and improve...

  13. APPLICATIONS OF SEISMIC DAMPERS TO SPECIAL MOMENT FRAMES

    15 May 2014 | Publications | Contributor(s): Amir Gilani, H Kit Miyamoto

    Seismic dampers, enhanced perfromanced, superior long term perfromance and reduced collpase riskH Kit Miyamoto, Amir GilaniThe application of seismic protection devices such as dampers has fundamentally altered the landscape of earthquake engineering and design. Structures designed and built...

  14. Performance of Earthquake Resistant Drinking Water Pipeline during the 2011 Tohoku Earthquake in Japan

    15 May 2014 | Publications | Contributor(s): MASAKATSU MIYAJIMA

    Performance of Earthquake Resistant Drinking Water Pipeline during the 2011 Tohoku Earthquake in JapanThis paper deals with performance of earthquake resistant drinking water pipeline during the 2011 Tohoku Earthquake in Japan. An earthquake resistant technology in Japan has been advanced...

  15. Damages of Steel Space Structures in the 2013 China Lushan Ms7.0 earthquake

    15 May 2014 | Publications | Contributor(s): Junwu DAI, ZHE QU, Chenxiao ZHANG, guibo NIE

    Damages of Steel Space Structures in the 2013 China Lushan Ms7.0 earthquakeSteel space structure is one of the most common structural systems for the roofing system of public buildings like gymnasiums, auditoriums, airplane hangars and so on, and has been widely employed over the globe primarily...

  16. Extracting Empirical Capacity Curves from Building Earthquake Response Data

    15 May 2014 | Publications | Contributor(s): Jeffrey Dowgala, Ayhan Irfanoglu

    Extracting Empirical Capacity Curves from Building Earthquake Response DataA restoring force (story shear) based method is presented to generate a capacity curve from the strong motion response data of a building. Use of a restoring force based method avoids errors associated with the input...

  17. Relationship between liquefaction occurrence ratio and strong ground motion duration for The 2011 off the Pacific coast of Tohoku Earthquake.

    15 May 2014 | Publications | Contributor(s): Kazue Wakamatsu, Shigeki Senna, Masashi Matsuoka

    Relationship between liquefaction occurrence ratio and strong ground motion duration for The 2011 off the Pacific coast of Tohoku Earthquake.Shigeki Senna, Kazue Wakamatsu, Masashi Matsuoka, Saburoh MidorikawaIn this study, We calculate the probability of liquefaction occurrence during the 2011...

  18. Fragility functions and seismic performance of Peruvian thin RC wall buildings

    15 May 2014 | Publications | Contributor(s): Luis Quiroz Torres, Yoshihisa Maruyama

    Development of fragility functions of Peruvian confined masonry buildingsLuis Quiroz Torres, Yoshihisa MaruyamaOne of the most used construction systems for dwellings in Latin America is confined masonry (CM). The advantage of this system is its low cost compared with other structural systems...

  19. Nonlinear Rooftop Tuned Mass Damper Frame

    15 May 2014 | Publications | Contributor(s): Jerod Johnson, Chris Pantelides, Lawrence Reaveley

    Nonlinear Rooftop Tuned Mass Damper FrameJerod Johnson, Chris Pantelides, Lawrence ReaveleyInnovative strategies driven toward improving the structural and nonstructural performance of existing buildings during large earthquakes are of paramount interest for researchers and practitioners of...

  20. Seismic Behavior of Shallow-Foundation Long-Period Structures in Liquefiable Soils

    15 May 2014 | Publications | Contributor(s): Ihsan Engin Bal, Eleni Smyrou, Panagiota Tasiopoulou, George Gazetas

    Seismic Behavior of Shallow-Foundation Long-Period Structures in Liquefiable SoilsStructures in liquefiable soils are often constructed on deep foundations so that they remain unaffected in case the underlying layer(s) do liquefy. However, this practice is not followed in the case of low-rise...