Search Results - "Nigbor, Robert"

Engineering analysis of measured rotational ground motions at GVDA by Yin, Jianming, Nigbor, Robert L., Chen, Qingjun, Steidl, Jamison

“…Characteristics of rotational earthquake ground motions and their effects on structural response are not yet well-defined. Recording rotational ground motions…”
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Dynamic Stiffness and Damping of a Shallow Foundation from Forced Vibration of a Field Test Structure by Tileylioglu, Salih, Stewart, Jonathan P, Nigbor, Robert L

“…Foundation impedance ordinates are identified from forced vibration tests conducted on a large-scale model test structure in Garner Valley, California. The…”
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Field-Testing of Structure on Shallow Foundation to Evaluate Soil-Structure Interaction Effects by Star, Lisa M, Givens, Michael J, Nigbor, Robert L, Stewart, Jonathan P

“…A simple test structure was designed and constructed to facilitate forced-vibration testing of a shallow foundation experiencing combined base shear and moment…”
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Lateral Performance of Full-Scale Bridge Abutment Wall with Granular Backfill by Lemnitzer, Anne, Ahlberg, Eric R, Nigbor, Robert L, Shamsabadi, Anoosh, Wallace, John W, Stewart, Jonathan P

“…Bridge abutments typically contain a backwall element that is designed to break free of its base support when struck by a bridge deck during an earthquake…”
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Christchurch Women’s Hospital: Performance Analysis of the Base-Isolation System during the Series of Canterbury Earthquakes 2011–2012 by Kuang, Adam, Sridhar, Akshay, Garven, Joseph, Gutschmidt, Stefanie, Rodgers, Geoffrey W, Chase, J. Geoffrey, Gavin, Henri P, Nigbor, Robert L, MacRae, Gregory A

“…AbstractLive monitoring data and simple dynamic reduced-order models of the Christchurch Women’s Hospital (CWH) help explain the performance of the…”
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Different Approaches for Estimating Ground Strains from Pile Driving Vibrations at a Buried Archeological Site by Brandenberg, Scott J, Coe, Joseph, Nigbor, Robert L, Tanksley, Kim

“…Ground strains were estimated from vibrations measured during pile driving operations at a buried, prehistoric archeological site to monitor potential…”
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Christchurch Women's Hospital; analysis of measured earthquake data during the 2011-2012 Christchurch earthquakes by Sridhar, Akshay, Kuang, Adam, Garven, Joseph, Gutschmidt, Stefanie, Chase, J. Geoffrey, Gavin, Henri P, Nigbor, Robert L, Rodgers, Geoffrey W, MacRae, Gregory A

“…A network of acceleration and displacement sensors installed in the Christchurch Women's Hospital (CWH) in July 2011 captured an extensive range of earthquake…”
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A quantitative basis for building instrumentation specifications by Skolnik, Derek A, Nigbor, Robert L, Wallace, John W

“…A quantitative basis for key building instrumentation specifications-namely, sample rate, system resolution, and time synchronization-is established by…”
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Classification and prioritization of essential systems in hospitals under extreme events by Myrtle, Robert C, Masri, Sami F, Nigbor, Robert L, Caffrey, John P

“…This paper presents a classification and prioritization of nonstructural systems, including medical equipment, in hospitals based upon the results of extensive…”
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Effects of low-cycle fatigue on a 10-storey steel building by Nastar, Navid, Anderson, James C., Brandow, Gregg E., Nigbor, Robert L.

“…Following the Northridge Earthquake in 1994, the SAC project was initiated as a joint venture between Structural Engineers Association of California (SEAOC),…”
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Lessons learned and need for instrumented liquefaction sites by Youd, T.Leslie, Steidl, Jamieson H, Nigbor, Robert L

“…Instrumented sites provide essential information for understanding and modeling of ground response and ground deformation. For example, significant new lessons…”
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Ambient and Forced Vibration Testing of a Reinforced Concrete Building before and after Its Seismic Retrofitting by Soyoz, Serdar, Taciroglu, Ertugrul, Orakcal, Kutay, Nigbor, Robert, Skolnik, Derek, Lus, Hilmi, Safak, Erdal

“…AbstractThis paper investigates the effects of seismic retrofitting on the modal characteristics of a 6-story RC building located in Istanbul, Turkey. Ambient…”
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An assessment of uncertainties in VS profiles obtained from microtremor observations in the phased 2018 COSMOS blind trials by Asten, Michael W., Yong, Alan, Foti, Sebastiano, Hayashi, Koichi, Martin, Antony J., Stephenson, William J., Cassidy, John F., Coleman, Jacie, Nigbor, Robert, Castellaro, Silvia, Chimoto, Kosuke, Cornou, Cécile, Cho, Ikuo, Hayashida, Takumi, Hobiger, Manuel, Kuo, Chun-Hsiang, Macau, Albert, Mercerat, E. Diego, Molnar, Sheri, Pananont, Passakorn, Pilz, Marco, Poovarodom, Nakhorn, Sáez, Esteban, Wathelet, Marc, Yamanaka, Hiroaki, Yokoi, Toshiaki, Zhao, Don

“…Site response is a critical consideration when assessing earthquake hazards. Site characterization is key to understanding site effects as influenced by…”
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Soil site response by Konno, Takaaki, Kato, Kenichi, Nigbor, Robert L

“…The response of stiff quaternary soil sites to strong earthquake shaking is an important factor in the development of seismic siting criteria for nuclear power…”
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Christchurch Women's Hospital: Analysis of Measured Earthquake Data during the 2011―2012 Christchurch Earthquakes: Special Issue on the 2010-2011 Canterbury Earthquake Sequence by SRIDHAR, Akshay, KUANG, Adam, GARVEN, Joseph, GUTSCHMIDT, Stefanie, CHASE, J. Geoffrey, GAVIN, Henri P, NIGBOR, Robert L, RODGERS, Geoffrey W, MACRAE, Gregory A

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A pitfall in shallow shear-wave refraction surveying by Xia, Jianghai, Miller, Richard D, Park, Choon B, Wightman, Ed, Nigbor, Robert

“…The shallow shear-wave refraction method works successfully in an area with a series of horizontal layers. However, complex near-surface geology may not fit…”
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Evaluation of Earthquake Damage Mitigation Methods for Museum Objects by Agbabian, Mihran S., Ginell, William S., Masri, Sami F., Nigbor, Robert L.

“…In this paper, procedures are discussed for the evaluation of some of the earthquake damage mitigation methods in use or under development at the J. Paul Getty…”
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Seismic tests of a pile-supported structure in liquefiable sand using large-scale blast excitation by Kamijo, Naotaka, Saito, Hideaki, Kusama, Kazuhiro, Kontani, Osamu, Nigbor, Robert

“…Extensive, large-amplitude vibration tests of a pile-supported structure in a liquefiable sand deposit have been performed at a large-scale mining site. Ground…”
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Analytical/experimental evaluation of seismic mitigation measures for art objects by Nigbor, Robert Leslie

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Evaluation of-earthquake uamage mitigation methods for museum objects by Agbabian, Mihran S., Ginell, William S., Masri, Sami F., Nigbor, Robert L.

“…In this paper, procedures are discussed for the evaluation of some of the earthquake damage mitigation methods in use or under development at the J. Paul Getty…”
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