... and straight NSM CFRP ropes, cannot retain their overall structural performance under moderate levels of sulfate attack. 20 01 2023 28 04 2023 Emerald Publishing Limited: All rights reserved 2023 beams composite materials failure rehabilitation sulfate-related deterioration...

... capacity under a flexural condition. Compared with PHC piles, which exhibit a brittle bending failure, PSC piles demonstrate a ductile bending failure. Following the experimental study, a theoretical model is developed to evaluate the flexural strength of the piles, and a simplified calculation equation...

...Dimitrios K. Zimos; Panagiotis E. Mergos; Vassilis K. Papanikolaou; Andreas J. Kappos Older existing reinforced concrete (RC) frame structures often contain shear-dominated vertical structural elements, which can experience loss of axial load-bearing capacity after a shear failure, hence initiating...

...Federico Accornero; Renato Cafarelli; Alberto Carpinteri In the present work, cohesive and overlapping crack models are integrated in a comprehensive numerical algorithm in order to investigate both tensile and compressive failures in plain or steel-bar reinforced concrete (RC) structural elements...

...Nsikak W. Ulaeto; Juan Sagaseta Progressive collapse of concrete flat slab structures is mainly governed by the structural response of the slab–column connections before and after local failure of the connections. A novel model is proposed to predict the structural response of column–slab...

... and was determined as the product of 0.12 × 1.5, which equals 0.18. 30 05 2020 30 05 2020 14 12 2020 ICE Publishing: All rights reserved 2020 failure punching slabs & plates Due to its brittleness, the punching of a flat slab is one of the most dangerous forms...

... and failure mode – the expected maximum lateral load corresponding to shear and flexural capacities could be first calculated based on the proposed equation by Tomazevic (1999) for conventional CM (non-toothed connection) without any openings. To the authors’ knowledge, there is no well-established...

...Ali Anvari; Mansour Ghalehnovi; Jorge de Brito; Arash Karimipour This paper studies the flexural behaviour and ductility ratio of reinforced concrete beams made with steel fibres and coarse recycled aggregates (RAs) and strengthened after failure. Eight reinforced concrete beams (of 150 by 200 mm...

... of the linear variable differential transformers ICE Publishing: All rights reserved 2020 failure slabs & plates testing, structural elements During their service life, building structures are likely to encounter extreme loads, such as earthquakes, explosions and impacts, which often...

... 2020 ICE Publishing: All rights reserved 2020 composite materials failure modelling Seismic assessment is conducted in order to evaluate the performance of existing structures (ASCE/SEI, 2017 , ATC, 1996). On identifying the inadequate members, member retrofit is designed...

...Siwei Wang; Wenxue Wang; Handong Liu Plastic concrete is a ductile building material, made of aggregate, cement, water and bentonite clay mixed at a high water/cement ratio. To explore its deformation behaviour and failure criteria, we tested plastic concrete samples under uniaxial, biaxial...

... ideal test results. Stiffness change inferred from natural frequency data was used to evaluate the performance of the beam in the present study. ICE Publishing: All rights reserved 2019 cracks & cracking failure loads & loading Cracking is normal in reinforced-concrete...

... are defined – that is, virtually intact; minor damage; moderate damage; and severe failure. A total of 144 CFT columns are numerically analysed to obtain the stiffness degradation index values for each performance level. The effects of several parameters (i.e. the axial compression ratio, slenderness ratio...

... to distinguish between the two deterioration regimes, which was also one of the motivations of this research. 22 12 2018 07 05 2019 23 05 2019 ICE Publishing: All rights reserved 2019 failure mortar sulfates/sulfate resistance Several factors affect sulfate weathering. Nehdi...

... of cylindrical plain concrete columns retrofitted with pre-stressed steel strips, a static loading experiment was performed on 18 large-scale specimens. Failure mode, strain development and ultimate bearing capacity were thoroughly examined, and the effects of volumetric ratio, number of layers and spacing...

... columns, including six NSC/HSC, six ECC and 18 ECC-encased NSC/HSC (ECC–NSC/HSC) are tested under axial compression. The effects of ECC strength, ECC encasement thickness, concrete strength and cross-section shapes (circular, square and rectangular) are then investigated and reported in terms of failure...

... of UHPFRC enables the design of slender structural members; hence, instability could become a major governing failure mode. However, the estimation of buckling strength for a concrete structure is not easy, owing to its material characteristics. In this paper, the lateral torsional bucking behaviour...

... of approximately 21%. Observation of the post-failure multiple-cracking pattern reveals the formation of narrower cracks in increasing numbers (Figure 5(b)). On average, the control mix has 35 cracks, 66 μm wide; the number of cracks increases to 97 with the width reduced to 40 μm on the addition of 4% methyl...

... beams & girders failure joints A fundamental requirement in the design of reinforced-concrete (RC) beam–column joints is that, for the beam members to achieve their full capacity before the column, premature failure of the joints should be prevented because joints are the connecting...

...Sripriya Rengaraju; Anand Godara; Prasanth Alapati; Radhakrishna G. Pillai This paper investigates the mechanisms of corrosion of seven-wire strands and the reasons for failures in detecting corrosion at early stages. As per ASTM G109 and ACI 222 R-01, a 1-year study on chloride-induced corrosion...