Showing papers in "Engineering Structures in 2016"

TL;DR: In this paper, the efficiency of the use of Ultra High Performance Fibre Reinforced Concrete (UHPFRC) for the strengthening of existing reinforced concrete (RC) beams has been investigated.

TL;DR: In this article, the authors considered the use of a tuned inerter damper (TID) system for suppressing unwanted cable vibrations, which is similar to a tuned-mass-damper, but requiring two terminals.

TL;DR: In this paper, the impact of various structural parameters, including beam height, slab width, and slab thickness, on the progressive collapse resistance were studied by analyzing material strains and load-displacement curves.

TL;DR: In this article, the behavior of concentrically loaded geopolymer-concrete circular columns reinforced longitudinally and transversely with glass-fiber-reinforced polymer (GFRP) bars was investigated.

TL;DR: In this paper, an experimental database containing 422 uni-axial compression test results of unconfined and externally confined concrete-filled-steel-tube (CFST) columns has been assembled.

TL;DR: In this article, the behavior of eight historical masonry towers, located in the North-East region of Italy, is analyzed under horizontal loads by means of detailed 3D FE models.

TL;DR: In this article, a study of full-scale IM panels was carried out with the realization of three experimental (cyclic and monotonic) out-of-plane tests with and without previous in-plane damage.

TL;DR: In this article, the authors describe the flexural behavior of UHPFRC beams reinforced with glass fiber-reinforced polymer (GFRP) rebars and hybrid reinforcements (steel + GFRP rebars).

TL;DR: In this paper, a field experiment was conducted on an actual simply supported steel truss bridge with four artificial damage scenarios applied sequentially, and the results of modal-parameter identification and vibration-based damage detection were presented.

TL;DR: In this paper, results are presented on shear tests which have been conducted on ten 5.5m long by 0.3m wide and 0.7m high rectangular simply supported beams with varying transverse and steel fibre reinforcement ratios.

TL;DR: In this article, the authors reviewed the developments in the methodologies used to create reduced scale models as a design tool, including those based in the use of: dimensional analysis, differential equations and energetic methods.

TL;DR: In this paper, a modified Concrete Damaged Plasticity Model (CDPM) is used to model reinforced concrete columns under axial stress, which is applicable to columns with different types of cross-sections, including circular, square and rectangular and a large range of concrete strengths varying from normal to high strength.

TL;DR: In this paper, the interaction between the infill walls and the reinforced concrete (RC) frame members in the progressive collapse process was examined experimentally in two 1/3 scaled, four-bay, two-story RC frame specimens.

TL;DR: In this article, the results of an experimental campaign concerning full-scale tests on precast reinforced concrete column-to-column connections made with grouted sleeve splices are presented.

TL;DR: In this article, a pre-pressed spring self-centering energy dissipation (PS-SCED) bracing system was proposed to provide a self-centered capability and additional energy dissipation.

TL;DR: In this article, a deconstructable and sustainable structural system is proposed where precast concrete slabs are attached to a steel beam using tensioned high-strength friction-grip bolts in clearance holes as the elements to provide the shear connection.

TL;DR: In this paper, a series of field tests were conducted to investigate the behavior of UHPFRC columns subjected to blast loading, and the results showed that UHP-FCC columns performed superior in blast loading resistance as compared with HSRC columns.

TL;DR: In this paper, the structural performance of unreinforced masonry (URM) walls strengthened using two different types of polymer textile reinforced mortar (TRM) was investigated in two series, with series 1 involving in-plane testing of two pier-spandrel assemblages representing part of a perforated URM wall and series 2 involving out-of-planar testing of three slender walls having no penetrations.

TL;DR: In this article, a 4-story modular steel building is designed considering realistic constraints posed during the modular construction, and an assessment of the seismic demand and capacity of this MSB is provided by performing nonlinear static pushover and incremental dynamic analyses (IDA) in two and three dimensions.

TL;DR: In this article, the authors present an approach for assessing the residual capacity of fire exposed reinforced concrete (RC) beams by capturing response of RC beams in three stages, namely, structural response at ambient conditions, thermo-mechanical response during fire exposure, and post-fire residual response after cooling down of beams.

TL;DR: In this article, a post-earthquake reconnaissance showed that damages in reinforced concrete buildings in urban areas were mostly due to poor construction quality, low concrete strength, non-seismic detailing in beam-column joints, and local site effects.

TL;DR: In this paper, the performance of beam-to-SHS column connections against progressive collapse was comprehensively discussed, including failure modes/sequence, load-deformation responses and stress conditions, and the load transfer mechanism over the entire loading process.

TL;DR: In this article, the results of an experimental investigation of the flexural response of reinforced concrete (RC) beams strengthened using externally bonded steel fiber reinforced cementitious matrix (steel-FRCM) composite strips were tested in four-point bending.

TL;DR: In this paper, the effects of the use of glass FRP (GFRP) bars as internal reinforcement on the behavior of concrete beams have been investigated and the average dynamic amplification factor was calculated as 1.15, indicating higher dynamic moment capacities compared to static moment capacities.

TL;DR: In this paper, the structural responses of fiber-reinforced concrete with steel fibers are compared and an up-to-date review of available literature is provided to enhance our current understanding of the behavior of SFRC with varying volume fractions and shapes of steel fibers under different loading rates.

TL;DR: In this article, the strain rate behavior in tension of the S355 structural steel using a modified Split Hopkinson Tensile Bar for the mechanical characterisation at high strain rates (300, s - 1, 500, s − 1 and 850 ǫ s -1 ), and a Hydro Pneumatic Machine for intermediate strain rates, were collected with the intention of setting down the basis for the enhancement of a progressive collapse analysis, that is, by the way, a dynamic event.

TL;DR: In this article, an experimental investigation on the strength and ductility of short steel tubes filled with rubberised concrete (RuC), sourced from recycled scrap tyres, is presented in order to evaluate the effect of various parameters, such as the cross-section shape (square, rectangular, circular), steel grade, and concrete mix (standard concrete versus RuC), on the short column strength.

TL;DR: In this article, an application of the recently developed ribbed Fe-SMA bars embedded in a shotcrete layer to strengthen reinforced concrete (RC) structure is presented, and three beams were experimentally examined to demonstrate the application of this strengthening method.

TL;DR: In this article, the authors tested grouted splices connected by two types of sleeves, namely Welded Bar Sleeve and Tapered Head Sleeve (THS), under incremental tensile load at various bar embedded lengths and sleeve diameters.

TL;DR: The continuous strength method (CSM) as discussed by the authors is a deformation-based method that employs a base curve to define the continuous relationship between cross-section slenderness and deformation capacity.