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Showing papers in "Engineering Structures in 2021"


Journal ArticleDOI
TL;DR: A detailed literature review of existing CNN-based techniques in the context of infrastructure monitoring and maintenance and a brief conclusion on potential future research directions of CNN in structural condition assessment is presented.

148 citations


Journal ArticleDOI
TL;DR: In this article, an overview of research studies on the mechanical properties of structural aluminium alloys under monotonic, cyclic and thermal loading conditions is presented, and a considerable amount of experimental and numerical investigations focussing on the structural performance and design of aluminium columns, beams and beam-columns is reviewed.

144 citations


Journal ArticleDOI
TL;DR: In this article, a non-polynomial framework for bending responses of functionally graded-graphene nanoplatelets composite reinforced (FG-GPLRC) disk based upon 3D-RHOSDT for various sets of boundary conditions is presented.

122 citations


Journal ArticleDOI
TL;DR: It is shown that the ensemble machine learnning models are significantly superior to mechanics-driven models in both predicting accuracy and discrepancy.

110 citations


Journal ArticleDOI
TL;DR: In this article, the authors presented a data-driven approach to the shear strength of reinforced concrete beams and incorporated the largest database compilation of 507 experimental data, including the ratio of shear span to effective depth, concrete compressive strength, longitudinal reinforcement ratio, volume fraction, aspect ratio, and type of fiber.

104 citations


Journal ArticleDOI
TL;DR: In this article, a two-terminal mechanical element, dubbed inerter, was proposed based on the force-current analogy, offering many potentials for upgrading conventional structural vibration control systems.

93 citations


Journal ArticleDOI
TL;DR: In this article, the most promising type of sensors, laboratory made and commercially available, for structural health monitoring of aerospace composites are discussed, including sensors, wiring and cabling, data acquisition devices and software, data storage equipment, power equipment and algorithms for signal processing.

88 citations


Journal ArticleDOI
TL;DR: In this article, a novel type of 2D metamaterial composed of auxetic foam and steel is proposed to attenuate seismic waves at ultra-low frequencies, and a parametric study of the SM with auxiliary foam-coated hollow steel columns is carried out to achieve a wide bandgap coverage for the seismic peak spectrum of 2.

76 citations


Journal ArticleDOI
TL;DR: In this paper, the compressive behavior of fiber-reinforced polymer (FRP) confined UHPC cylinders was investigated and discussed, and it was shown that the increase in steel fiber content could increase the first peak stress and its corresponding strain.

75 citations


Journal ArticleDOI
TL;DR: In this article, a buckling-restrained braces (BRBs) connection was proposed for a more reliable BRB-to-reinforced concrete (RC) joint in new RC building structures.

73 citations


Journal ArticleDOI
Yang Wei1, Jiawen Bai1, Yirui Zhang1, Kunting Miao1, Kaiqi Zheng1 
TL;DR: In this article, a new high-strength seawater and sea sand concrete (HSSC)-filled circular FRP-steel composite tube (HFSCT) structure consisting of an internal FRP, carbon steel tube and external FRP was investigated.

Journal ArticleDOI
TL;DR: Results demonstrate that compared with the MSS connection, the SC-MSS connection is expected to improves strength and stiffness and exhibits stable flag-shaped hysteretic responses with a satisfactory self-centering capability.

Journal ArticleDOI
TL;DR: A review of piezoelectric energy harvesting techniques from a structural design point of view and how additive manufacturing can be used to fabricate specially shaped piezOElectric meta-materials for obtaining higher energy harvesting efficiency in the near future.

Journal ArticleDOI
TL;DR: In this article, the compressive behavior of circular steel tube-confined reinforced ultra-high performance concrete (UHPC) columns was investigated by varying the addition of steel fibers, and a reasonable formula for predicting the bearing capacity of STCRU columns was provided.

Journal ArticleDOI
TL;DR: In this paper, the Walker equation is employed to fit the fatigue crack propagation rate of steel grades S355 and S690 based on experimental data in the literature to incorporate the mean stress effects.

Journal ArticleDOI
TL;DR: In this paper, the authors present an experimental investigation consisting of nine four-point bending tests on extrusion 3DCP beams reinforced with various types of reinforcement. And they show that the post-tensioned beams failed in a brittle manner due to the crushing of concrete in bending, with deformations localised in a few bending cracks.

Journal ArticleDOI
TL;DR: This paper aims to present a comprehensive literature review of the problematic associated with the train running safety assessment on bridges and gives a brief description of the available train-bridge interaction models needed to explicitly assess the traffic stability.

Journal ArticleDOI
TL;DR: In this article, three railway sleepers are fabricated with a rubberised cement concrete block embedded in Particulate Filled Resin (PFR) and reinforced with Glass Fiber Reinforced Polymer (GFRP) bars.

Journal ArticleDOI
TL;DR: A holistic chronological detail of advancement in the field of passive friction dampers has been presented systematically in this study to generate future research directions for researchers who will be working in this field.

Journal ArticleDOI
TL;DR: In this paper, three different designs of circular tubes with thickness gradient were considered in which the locations of maximum and minimum thicknesses are varied, and the results revealed that the best crashworthiness metrics were offered by FGT titanium tube, where the maximum thickness regions were along the horizontal and vertical directions while the minimum thickness region were at an angle of 45° with respect to the loading direction.

Journal ArticleDOI
TL;DR: A set of reliable recovery models that include both bridge reinstatement (traffic capacity) and restoration (structural capacity) models based on a detailed questionnaire that elicits knowledge from experts are generated.

Journal ArticleDOI
TL;DR: An optimum design procedure based on the output feedback control theory for mitigating multi-mode cable vibrations shows that the cable modal damping ratios obtained by the proposed strategy could satisfy Irwin’s criterion.

Journal ArticleDOI
TL;DR: In this paper, a machine learning-based method was proposed to predict the ultimate shear resistance of steel fiber reinforced concrete (SFRC) beams without stirrups, and the performance of the proposed models was assessed by statistical comparison to experimental results and to that of the state-of-the-art existing shear design models.

Journal ArticleDOI
TL;DR: Both numerical approaches have proven to be capable of simulating large displacements and complete block separations, reproducing complex mechanical behaviours and making predictions on the vulnerability assessment of the historical masonry buildings.

Journal ArticleDOI
TL;DR: In this article, a categorical gradient boosting (CatBoost) was used to predict axial strength of concrete-filled steel tubular (CFST) columns, which is a highly nonlinear relation with material strengths and geometry.

Journal ArticleDOI
TL;DR: A more robust and effective TMD in solving the serviceability problem, a semi-active independent variable mass TMD (SAIVM-TMD) is introduced in this study.

Journal ArticleDOI
TL;DR: In this article, the HYPERION project has received funding from the European Union's Framework Programme for Research and Innovation (Horizon 2020) under grant agreement No 821054.

Journal ArticleDOI
TL;DR: The experimental results showed that the new hybrid beam-column connection can reduce the stress concentration effect at the joint and achieve comparable mechanical performance with cast-in-site connections.

Journal ArticleDOI
TL;DR: In this article, the authors proposed an innovative low-cost friction-based seismic isolation system, installed between the foundation and superstructure is made up of a 50mm thick isolation layer material having low lateral stiffness, which is sandwiched between two 4mm thick Teflon sheets and is further reinforced by vertical rebars.

Journal ArticleDOI
TL;DR: In this article, the degradation of non-uniformly corroded steel rebars embedded in concrete was studied and the cracking patterns of corrosion-induced cracks, bond failure modes, and bond stress-slip relations were discussed.