Showing papers in "Journal of Structural Engineering-asce in 2020"
TL;DR: This work has shown that structural health monitoring techniques have been widely used in long-span bridges but, due to limitations of computational ability and data analysis methods, the knowledge in these techniques is limited.
Abstract: Structural health monitoring (SHM) techniques have been widely used in long-span bridges. However, due to limitations of computational ability and data analysis methods, the knowledge in ma...
264 citations
TL;DR: In this paper, a probabilistic life prediction framework for reinforced concrete (RC) structures is proposed, where the coupled effect of corrosion and fatigue deteriorates the performance of reinforced concrete structures.
Abstract: The coupled effect of corrosion and fatigue deteriorates the performance of reinforced concrete (RC) structures. This paper proposes a novel framework for the probabilistic life prediction ...
101 citations
TL;DR: In this paper, the seismic properties of corrosion-damaged RC columns strengthened by bonded steel plate (BSP) and high-performance ferrocement laminate (HPFL) were evaluated.
Abstract: This research focuses on evaluating the seismic properties of corrosion-damaged RC columns strengthened by bonded steel plate (BSP) and high-performance ferrocement laminate (HPFL). The mec...
79 citations
TL;DR: The application of extreme loads, such as impact and blast, may lead to progressive collapse and the robustness of a structure must be considered in this context as mentioned in this paper, although extensive studies have not been conducted.
Abstract: The application of extreme loads, such as impact and blast, may lead to progressive collapse and the robustness of a structure must be considered in this context. Although extensive studies...
78 citations
TL;DR: In this article, a novel model is proposed to predict corrosion-induced prestress loss in pretensioned concrete structures, which can degrade bond strength and lead to loss of prestress.
Abstract: Concrete cracking induced by strand corrosion can degrade bond strength and lead to prestress loss. A novel model is proposed to predict corrosion-induced prestress loss in pretensioned con...
68 citations
TL;DR: In this paper, a self-centering seismic base isolator was proposed by utilizing shape memory alloy U-shaped dampers (SMA-UDs) with favorable superelastic behavior.
Abstract: This paper proposes novel self-centering (SC) seismic base isolators by utilizing shape memory alloy U-shaped dampers (SMA-UDs) with favorable superelastic behavior. Two different designs, ...
51 citations
TL;DR: This work presents a new approach to probabilistic material models for structural risk assessment against fire that takes into account the uncertainty in material behavior over a range of elevated temperatures.
Abstract: Structural risk assessment against fire requires robust material models that take into account the uncertainty in material behavior over a range of elevated temperatures. Such probabilistic...
50 citations
TL;DR: In this paper, the experimental evaluation of an earthquake-resilient rocking damage-free steel column base is presented, which was previously proposed and numerically investigated by the authors.
Abstract: This paper presents the experimental evaluation of an earthquake-resilient rocking damage-free steel column base, previously proposed and numerically investigated by the authors. The column...
47 citations
TL;DR: This work has shown that the main challenge in developing an accurate dam behavior prediction model lies in the uncertainty in the model’s predictions of how dam behavior changes over time will affect dam performance.
Abstract: Structural health monitoring models provide important information for safety control of large dams. The main challenge in developing an accurate dam behavior prediction model lies in the mo...
46 citations
TL;DR: In this article, the experimental study conducted on cold-formed steel semi-oval hollow sections (SOHS) under combined compression and uniaxial bending was conducted, and the results showed that the SOHS beam-columns w...
Abstract: This paper describes the experimental study conducted on cold-formed steel semi-oval hollow sections (SOHS) under combined compression and uniaxial bending. Thirty-seven SOHS beam-columns w...
44 citations
TL;DR: The uniaxial Giuffre-Menegotto-Pinto (GMP) constitutive steel model is widely used in nonlinear modeling of reinforced concrete components as discussed by the authors.
Abstract: The uniaxial Giuffre-Menegotto-Pinto (GMP) constitutive steel model is widely used in nonlinear modeling of reinforced concrete components. However, the parameters characterizing this const...
TL;DR: In this paper, the authors present results from an experimental evaluation on the pre-and postbuckling behavior of 12 steel wide-flange cantilever columns under axial load and lateral drift demands.
Abstract: This paper presents results from an experimental evaluation on the pre- and post-buckling behavior of 12 steel wide-flange cantilever columns under axial load and lateral drift demands. The...
TL;DR: In this paper, a special-shaped multicell composite concrete-filled steel tube (CFT) columns have been used in several super-high-rise buildings for building construction.
Abstract: Special-shaped multicell composite concrete-filled steel tube (CFT) columns have been used in several super-high-rise buildings. However, research on special-shaped multicell CFT columns un...
TL;DR: By introducing negative stiffness devices, the authors further improves the maximum achievable damping ratio of conventional damped outrigger (CDO) structures with flexible perimeter columns and improves the damping performance.
Abstract: By introducing negative stiffness devices, this study further improves the maximum achievable damping ratio of conventional damped outrigger (CDO) structures with flexible perimeter columns...
TL;DR: In this article, four 1/2 scaled precast concrete beam-column subassemblages with high-performance connection were tested under pushdown loading procedure to study the load-resisting me...
Abstract: In this paper, four 1/2 scaled precast concrete (PC) beam-column subassemblages with high-performance connection were tested under push-down loading procedure to study the load-resisting me...
TL;DR: In this article, the behavior of high-strength circular concrete-filled steel tube (CFST) short columns is investigated using an experimental database consisting of 87 tests conducted on high strength ci...
Abstract: This paper investigates the behavior of high-strength circular concrete-filled steel tube (CFST) short columns. An experimental database consisting of 87 tests conducted on high-strength ci...
TL;DR: This research focuses on the development of deep learning tools for vision-based structural health monitoring and rapid dam protection in computer vision.
Abstract: With the rapid development of machine learning (ML) and deep learning (DL) in computer vision, adopting these learning tools in vision-based structural health monitoring (SHM) and rapid dam...
TL;DR: In this article, the authors used a squat reinforced concrete shear wall with boundary elements (SRCSW-BE) to resist lateral seismic loads in special structures (e.g., nuclear facilities).
Abstract: Squat reinforced concrete shear walls with boundary elements (SRCSW-BE) are used in special structures (e.g., nuclear facilities) to resist lateral seismic loads. However, several studies h...
TL;DR: This data indicates that not only the intensity of the response of the horizontal wind turbine to the vertical wind force but also the direction of the wind direction may vary greatly both in the horizontal and the vertical.
Abstract: Recent advancements of performance-based wind design of tall buildings have placed increasing importance on effectively modeling of the nonlinear structural dynamic response under extreme s...
TL;DR: Seismic isolation is an effective measure for mitigating earthquake hazard on important structures such as bridges, hospitals, and nuclear power plants as discussed by the authors, but it is not suitable for buildings with large diameter.
Abstract: Seismic isolation is an effective measure for mitigating earthquake hazard on important structures such as bridges, hospitals, and nuclear power plants. Seismically isolated structures shou...
TL;DR: In this article, the structural behavior and design of 7A04-T6 high-strength aluminum alloy equal leg equal-leg alloys are described. But the design of the equal leg is not discussed.
Abstract: High-strength aluminum alloys are emerging and gaining increasing prominence in structural engineering. The structural behavior and design of 7A04-T6 high-strength aluminum alloy equal-leg ...
TL;DR: Probabilistic methods, such as fragility analysis, have been developed as a promising alternative for the seismic assessment of dam-type structures, but given the costly reevaluation o...
Abstract: Probabilistic methods, such as fragility analysis, have been developed as a promising alternative for the seismic assessment of dam-type structures. However, given the costly reevaluation o...
TL;DR: Post-tensioned timber (Pres-Lam) buildings have been constructed throughout the world, beginning in 2010 as mentioned in this paper, which originated from low-damage concrete building applications, re...
Abstract: Post-tensioned timber (Pres-Lam) buildings have been constructed throughout the world, beginning in 2010. The technology, which originated from low-damage concrete building applications, re...
TL;DR: This study presents a new method for rapid and accurate evaluation of the damage state of structures after a seismic event and shows clear trends in the number of landslides and the severity of the injuries sustained.
Abstract: Rapid and accurate evaluation of the damage state of structures after a seismic event is critical for postevent emergency response and recovery The existing rapid damage evaluation methodo
TL;DR: In this article, the authors proposed self-centering moment-resisting frames relying on gap opening and closing in the beam-column interface to achieve recentering capability and energy dissipation capacity.
Abstract: Previously proposed self-centering moment-resisting frames relied on gap opening and closing in the beam–column interface to achieve recentering capability and energy dissipation capacity. ...
TL;DR: This work has shown that adaptive structures can modify their geometry and internal forces through sensing and mechanical actuation in order to maintain optimal performance under changing actions.
Abstract: Adaptive structures can modify their geometry and internal forces through sensing and mechanical actuation in order to maintain optimal performance under changing actions. Previous work has...
TL;DR: In this paper, the authors show that seismic losses associated with nonstructural damage in modern buildings are likely to significantly exceed those associated with structural damage, as proven by several past earthquakes.
Abstract: As proven by several past earthquakes, seismic losses associated with nonstructural damage in modern buildings are likely to significantly exceed those associated with structural damage. He...
TL;DR: The prestressed-laminated timber (Pres-Lam) system as mentioned in this paper is an innovative low-damage wood-hybrid system that utilizes post-tensioned (PT) mass timber components, e.g., laminated veneer lumber (LV...
Abstract: The prestressed-laminated timber (Pres-Lam) system is an innovative low-damage wood-hybrid system that utilizes post-tensioned (PT) mass timber components, e.g., laminated veneer lumber (LV...
TL;DR: In this article, structural dynamic characteristics and wind-induced responses of a 600m-high skyscraper installed with an active tuned mass damper (ATMD) system during wind storm were analyzed.
Abstract: This paper presents observations of structural dynamic characteristics and wind-induced responses of a 600-m-high skyscraper installed with an active tuned mass damper (ATMD) system during ...
TL;DR: Structural performance against wind hazards is necessary in modern tall building design as discussed by the authors, and most efforts focus on structural safety, such as the avoidance of wind hazards, in current wind engineering practice.
Abstract: Structural performance against wind hazards is necessary in modern tall building design. In current wind engineering practice, most efforts focus on structural safety, such as the avoidance...