Browse Newmark Structural Laboratory Report Series (NSEL Report Series ISSN 1940-9826) by Title

  • Eatherton, Matthew R.; Hajjar, Jerome F. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2010-09)
    Current U.S. building codes and earthquake engineering practice utilize inelasticity in the seismic force resisting system to dissipate seismic energy and protect against collapse. Inelasticity in conventional structures ...

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  • Phillips, Brian M.; Spencer, Billie F., Jr. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2011-08)
    Substructure hybrid simulation is a powerful, cost-effective alternative for testing structural systems, closely coupling numerical simulation and experimental testing to obtain the complete response of a structure. In ...

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  • Phillips, Brian M.; Spencer, Billie F., Jr. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2012-08)
    Extreme dynamic events continue to demonstrate the fragility of civil infrastructure worldwide. Over the years, design codes and computational tools have come to reflect an improved understanding of dynamic loads and ...

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  • Carrion, Juan E.; Spencer, Jr., Billie F. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2007-12)
    Experimental testing is an essential tool for understanding how structures respond to extreme events, thus allowing the design and construction of safer structures. Methods currently used to determine the behavior of ...

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  • Li, Jian; Spencer, Billie F., Jr. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2015-05)
    Fragility functions are one of the key technical ingredients in seismic risk assessment. The derivation of fragility functions has been extensively studied in the past; however, large uncertainties still exist, mainly due ...

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  • Chang, Chia-Ming; Spencer, Billie F., Jr. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2011-05)
    Structural control technology has been widely accepted as an effective means for the protection of structures against seismic hazards. Passive base isolation is one of the common structural control techniques used to enhance ...

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  • Nakata, Narutoshi; Spencer, Jr., Billie F.; Elnashai, Amr S. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2007-12)
    Hybrid simulation is an effective method for the assessment of the seismic response of structures, combining laboratory testing, computational simulation, and numerical time-step integration of the equations of motion. ...

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  • Jo, Hongki; Spencer, Billie F., Jr. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2015-05)
    Tremendous progress has been made in recent years in the wireless smart sensor (WSS) technology to monitor civil infrastructures, shifting focus away from traditional wired methods. Successful implementations of such WSS ...

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  • Xu, Daqing; Hjelmstad, K.D. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2008-05)
    Contact analysis is an important branch of solid mechanics. Numerical simulation using the finite element method has become the dominant approach recently because of the high nonlinearity of contact problems. In the ...

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  • Zhu, Jinying (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2008-05)
    Elastic wave-based non-destructive test (NDT) methods are effective for detecting flaws in concrete structures. With the recent developments in computing hardware and software, imaging techniques have become very popular ...

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  • Hall, Kerry S.; Eatherton, Matthew R.; Hajjar, Jerome F. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2010-10)
    This report summarizes the results of a parametric study of a controlled rocking seismic lateral resistance system that includes two steel braced frames linked by replaceable energy dissipating fuses that are engaged by ...

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  • Denavit, Mark D.; Hajjar, Jerome F. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2010-03)
    Accurate nonlinear formulations are necessary for the assessment of structures under seismic and other extreme loading. In this work, a three-dimensional distributed plasticity beam element formulation for circular ...

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  • Nagle, Thomas J.; Kuchma, Daniel A. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2007-12)
    Code based shear design provisions principally use a sectional force design procedure in which it is assumed that plane sections remain plane. However, the shear capacity of a member may be limited by other shear related ...

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  • Andrews, Blake M.; Fahnestock, Larry; Song, Junho (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2008-07 (o)
    Buckling-restrained braces (BRBs) have recently become popular in the United States for use as primary members of seismic lateral-force-resisting systems. A BRB is a steel brace that does not buckle in compression but ...

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  • Kwon, Oh-Sung; Elnashai, Amr S. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2007-12)
    This report presents research on the probabilistic seismic performance evaluation of a structural-geotechnical interacting system. The system comprises a bridge, its foundation, and the supporting soil. The investigation ...

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  • Linderman, Lauren E.; Mechitov, Kirill A.; Spencer, Billie F., Jr. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2011-06)
    Wireless smart sensor networks have become an attractive alternative to traditional wired sensor systems in order to reduce implementation costs of structural health monitoring systems. The onboard sensing, computation, ...

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  • Kim, Young-Suk; Spencer, Jr., Billie F.; Elnashai, Amr S. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2008-01)
    Transportation and utility networks (e.g., water delivery, power, and oil systems) are essential in the support of all economic and social activity of an industrialized region. The functional loss of this critical urban ...

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  • Reneckis, Dziugas; LaFave, James M. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2009-08)
    A study was conducted on the out-of-plane seismic performance of anchored brick veneer with wood-frame backup wall systems, to evaluate prescriptive design requirements and current construction practices. Prescriptive ...

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  • Sun, Shaoyun; Kuchma, Daniel A. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2007-11)
    The current shear design provisions of the AASHTO LRFD Bridge Design Specifications limit the concrete compressive strength to 10 ksi due to a lack of experimental evidence for their extension to high strength concrete. ...

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  • Linderman, Lauren E.; Spencer, Jr., Billie F. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2014-01)
    Structural control techniques are an alternative approach to protect structures from natural hazards that continue to plague our nation’s infrastructure. Due to their onboard sensing, communication, and computational ...

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