Showing papers in "Structures in 2019"

TL;DR: A novel lightweight steel-concrete composite system is introduced to reduce the weight of the module without compromising the strength and stiffness, and a fast and easy joining technique is developed to ensure fast installation of modules.

TL;DR: In this article, the effect of partial replacement of sand by plastic waste on the mechanical properties of concrete under impact load was investigated experimentally and numerically, and the predicted load against displacement behaviors of both plain concrete and concrete with plastic waste, are well matched with the experimental results.

TL;DR: In this paper, the full cross-section elastic local buckling stress of structural steel profiles under a comprehensive range of loading conditions, accounting for the interaction between the individual plate elements, is presented.

TL;DR: This study builds on the recent advances in the area of machine learning (ML) to introduce a robust ML-based framework for performance prediction and classification of structural components and develops and validate a supervised learning algorithm to classify the walls and predict their lateral drifts according to their failure modes.

TL;DR: In this article, the authors presented the results of an experimental campaign to investigate the optimal seismic performance of a method of strengthening reinforced concrete beam-column joints, at a scale of one to three (1/3), under constant axial load to simulate an earthquake, and tested with the deflection being monitored.

TL;DR: This paper presents discrete structural optimization formulations to design truss systems from stock elements to best-fit the system geometry to the length of assigned stock elements, to reduce cut-off waste.

TL;DR: In this paper, the authors provide an insight on the different aspects related to this subject, from different types of offshore structures and respective loads to a comprehensive review on damages to steel offshore platforms as well as on the development in available SMR techniques.

TL;DR: In this paper, the experimental, analytical, and numerical results of deep concrete beams reinforced with basalt fiber-reinforced polymer (BFRP) bars without web reinforcement were reported.

TL;DR: In this article, a simplified approach is developed for analysis and design of reinforced concrete bridge columns (RCBCs) to resist vehicle collisions based on the numerical results, empirical equations to determine the maximum shear force and bending moment at column critical sections are proposed.

TL;DR: The research performed in this field is still incomplete to fill the design trends, and the joint shear strength predictions are not sufficiently accurate.

TL;DR: In this paper, the effect of screw spacing on axial strength of face-to-face built-up stainless steel channel sections was investigated, covering a wide range of slenderness and different cross-sectional geometries to assess the performance of the current design guidelines by AISI and AS/NZS.

TL;DR: In this paper, the authors investigated the bond performance of recycled coarse aggregate (RCA) concrete with un-corroded and reinforced steel bars, with the main parameters being RCA content, corrosion level, bar diameter and embedment length.

TL;DR: In this article, a desktop study and corresponding laboratory experiments on demountable shear connectors that facilitate recyclability and even provide the potential for reusing complete structural elements are presented.

TL;DR: In this paper, the structural performance of reinforced concrete (RC) beams incorporating waste glass (WG) powder was examined, and the effect of glass powder on flexural behavior was investigated.

TL;DR: In this paper, an optimal direct displacement-based design (DDBD) procedure for designing steel moment-resisting frames equipped with nonlinear fluid viscous dampers (FVDs) is presented.

TL;DR: The findings from a novel bibliographic study of historical documents published soon after Ronan Point collapse are presented which influenced the development of relevant design guidelines.

TL;DR: In this paper, a new set of rectangular stress-block parameters for GPC with a broad range of the compressive strength up to 66 MPa is proposed. But, the axial load-carrying capacity of GPC columns computed by ACI parameters deviate significantly from the experimental results while the proposed parameters provide a good correlation with these experimental data.

TL;DR: In this paper, a novel strengthening technique is proposed using additional high performance Fibre Reinforced Geopolymer Concrete (FRGC) layers and jackets reinforced with steel bars to improve the structural performance of the existing elements and at the same time the improvement of the durability and corrosion resistance of the strengthening layers.

TL;DR: This short communication will present likely outcomes of machine learning and neural network applications in the field of structural engineering and call for data from professionals across the globe to form a fundamental basis which will enable quicker transition to a more sustainable built environment.

TL;DR: In this paper, the numerical modeling of size effect in shear strength of FRP-reinforced concrete (RC) beams with and without stirrups by finite element analysis (FEA) model is presented.

TL;DR: In this article, a finite element analysis of short CFDST columns under compression was conducted to investigate the influence of the sandwiched concrete thickness, the yield stress of outer tube, tube thickness of both outer and inner components and sandwiched-concrete strength on the structural performance of circular-convex-filled double-skin tubular columns.

TL;DR: In this paper, a Composite Buckling Restrained Fuse (CBRF) is proposed as a segment of a bracing element to dissipate the energy of severe loads while preserving the integrity of the structural major components.

TL;DR: In this paper, 27 frames including 18 frames with thin steel plate shear walls as lateral load resisting system and also 9 special moment-resisting frame with three different heights in short, intermediate and tall configurations are analyzed.

TL;DR: In this paper, a new equation is proposed to compute the maximum axial load carrying capacity of FRP bar reinforced concrete columns under axial compression, which is critically compared with the equations proposed in previous research studies using a wide range of experimental data taken from the available literature.

TL;DR: In this paper, the effect of attached sheathing on the performance of CFS wall panels was investigated with three different sheathing configurations and three different global slenderness values (λe).

TL;DR: In this article, the effect of axial and blast-induced transverse loads on steel reinforced concrete (RC) columns was investigated and the results showed that when the scaled distance is relatively large, less damage occurs to steel RC columns with higher axial loads than to columns with smaller axial load at the same blast level.

TL;DR: In this paper, a reliability-based approach to seismic design of steel moment frame structures isolated with lead-rubber bearing (LRB) devices is proposed, in which the superstructure is assumed to remain elastic, while a bilinear behavior is assigned to the isolation level.

TL;DR: In this paper, the performance of various sheathing boards against torsional buckling of CFS structural members was investigated and the influence of different fasteners types that are used in the installation of sheathing board on the CFS wall frames was examined.

TL;DR: This paper proposes a rational procedure, based on the application of Genetic Algorithms (GAs), intended at selecting the “cheapest” retrofitting solution among the technically feasible ones.

TL;DR: In this paper, the authors analyzed the ultimate states of a circular masonry arch supported on rectangular slender abutments when subjected to an imposed settlement of one support in addition to self-weight, using the principle of virtual work and thrust line analysis.