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

  • Borello, Daniel J.; Denavit, Mark D.; Hajjar, Jerome F. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2009-08)
    This document reports the results of sixteen experiments of bolted slip-critical connections with fillers. Fifteen of the connections used oversized holes and one connection used standard holes to establish a baseline ...

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  • Denavit, Mark D.; Hajjar, Jerome F. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2014-07)
    Steel-concrete composite frames are seeing increased use in practice. Their excellent structural characteristics, including high strength, stiffness, and ductility, make them an appealing option for many building configurations. ...

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  • Linderman, Lauren E.; Rice, Jennifer A.; Barot, Suhail; Spencer, Jr., Billie F.; Bernhard, Jennifer T. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2010-02)
    A critical aspect of using wireless sensors for structural health monitoring is communication performance. Unlike wired systems, data transfer is less reliable between wireless sensor nodes due to data loss. While reliable ...

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  • Yeo, DongHun; Jones, Nicholas P. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2011-03)
    The excessive and unanticipated vibrations of stay cables in cable-stayed bridges around the world have been often observed with the occurrence of wind and wind-rain. These vibrations with low frequency and high amplitude ...

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  • Moreu, Fernando; LaFave, James M. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2012-10)
    Railroad infrastructure must be maintained safely and reliably for both owners and users. Railroad bridge expenditures in particular represent about 10% of the annual capital investment for Class I railroads in the United ...

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  • Walsh, Sara B.; Hajjar, Jerome F. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2009-06)
    This research is investigating the use of high resolution 3D terrestrial laser scanners as tools to capture geometric data of complex scenes for structural engineering applications. Laser scan technology is continuously ...

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  • Sim, Sung-Han; Spencer, Jr., Billie F. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2009-11)
    Driven by the needs to address problems with our rapidly aging civil infrastructure, structural health monitoring (SHM) has arisen as an important tool to improve maintenance and operation. Introduced as a promising ...

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  • Rice, Jennifer A.; Spencer, Jr., Billie F. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2009-08)
    The demands of aging infrastructure require effective methods for structural monitoring and maintenance. Wireless smart sensors provide an attractive means for structural health monitoring (SHM) through the utilization ...

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  • Pallares, Luis; Hajjar, Jerome F. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2009-04)
    The formula in the 2005 American Institute of Steel Construction Specification to compute the strength of headed steel stud anchors (shear connectors) in composite steel/concrete structures has been used in the United ...

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  • Pallares, Luis; Hajjar, Jerome F. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2009-04)
    The current AISC Specification for Structural Steel Buildings (AISC, 2005a) is the lead specification for composite construction in the U.S. However, these provisions do not provide a recommendation for computing the ...

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  • Kim, Jaehong; LaFave, James M. (Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign., 2009-11)
    Beam-column connections have been identified as potentially one of the weaker components of reinforced concrete moment resisting frames subjected to seismic lateral loading. Well-established knowledge of RC joint shear ...

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  • 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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  • 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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  • Xu, Daqing; Hjelmstad, Keith 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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