The Cut Span Effect on the Beams Inclined Sections Strength Reinforced with External Composite Reinforcement

Polskoy, Petr; Mailyan, Dmitriy; Shilov, A. A.

doi:10.4028/www.scientific.net/msf.974.633

Cited by 11 publications

(11 citation statements)

References 2 publications

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“…For the implementation of design solutions to strengthen the basin of the pool, other methods can also be applied, for example, using modern reinforcement methods using composite materials [9][10][11]. This will increase the rigidity of each structure and the bowl as a whole.…”

Section: Discussionmentioning

confidence: 99%

Actual problems of the design documentation development for capital repairs or reconstruction of capital structural facilities

Muradyan

Efimenko

2021

E3S Web Conf.

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Section: Discussionmentioning

confidence: 99%

Actual problems of the design documentation development for capital repairs or reconstruction of capital structural facilities

Muradyan

Efimenko

2021

E3S Web Conf.

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“…The main aim of the research presented in this article was to develop a dispersedreinforced lightweight concrete [24][25][26][27][28] that includes both heavy and light aggregate [29]. Thus, a part of the traditional heavy aggregate from dense rocks was replaced by an analogue of lightweight porous filler with equal volume but that was significantly lighter in weight.…”

Section: The Objective Of the Researchmentioning

confidence: 99%

Optimization of Composition and Technological Factors for the Lightweight Fiber-Reinforced Concrete Production on a Combined Aggregate with an Increased Coefficient of Structural Quality

et al. 2021

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In recent years, developing lightweight concrete with both the necessary and sufficient strength characteristics is essential in the construction industry. This article studies the influence of the volumetric composition of lightweight fiber-reinforced concrete (LFRC) and the method of its distribution during the preparation of the fiber–concrete mixture on the strength and deformation characteristics of LFRC on a combined aggregate. The optimal grain size of the porous filler was calculated by the mathematical planning method of the experiment. Regression models of the strength and deformation characteristics on the volumetric content of fiber and its distribution method were obtained. The most effective combination of these factors has been determined. The model shows that the increase in compressive strength was 12%, the value of the prismatic strength increased by 25%, the bending tensile strength increased by 34%, and the axial tensile strength increased by 11%. The ultimate strains during axial compression decreased by 10%, axial tension decreased by 12%, and the elasticity modulus increased by 11% compared to the test results of the control composition samples without fiber and pumice. The coefficient of constructive quality (CCQ) of the LFRC on a combined aggregate compared to concrete with the control composition without fiber and pumice showed an increase of more than 32%. It was also found that fiber reinforcement with basalt fibers with a combination of heavy and porous aggregates achieves a synergistic effect together.

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“…As part of a large-scale study of the work of reinforced concrete structures reinforced with composite materials, at the Department of Reinforced Concrete and Stone Structures, DSTU, the operation issues of reinforced concrete structures reinforced with round glass and carbon fiber reinforcement [1][2][3][4], the sections strength of reinforced concrete beams normal to the longitudinal axis of the element, reinforced external composite reinforcement [5], compressed reinforced concrete elements reinforced with composite materials at different eccentricities of load application [6][7][8][9]. Also, a study on the sections of reinforced concrete beams that are inclined to the longitudinal axis of the element, reinforced with external composite clamps in the presence and absence of initial inclined cracks was carried out [10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

The beams with composite reinforcement inclined sections’ finite element modeling operation results comparison with the results of the laboratory samples’ tests

Shilov

2021

E3S Web Conf.

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The results of a numerical experiment are presented, within the framework of which finite element modeling of the reinforced concrete beams support sections with external composite reinforcement beams inclined sections operation was carried out, as well as their comparison with the results of an experiment carried out on real laboratory samples, similarly reinforced on the support areas by external composite U-shaped cross clamps. The strength of inclined sections of both real laboratory specimens and their design models was considered. Both numerical and real experiments were carried out at three values of the shear fracture span: 1.5h0; 2.0h0 and 2.5h0. The obtained results of the numerical experiment are compared with the results of laboratory tests on beams in order to analyze the accuracy of the calculation results and to find the optimal method for modeling and taking into account the external composite reinforcement clamps in the design models that would most accurately reflect their contribution to the operation of the inclined section of bent reinforced concrete elements. For the numerical experiment, the method of finite element modeling of samples was used. An assessment of the method used for computational modeling of the operation of inclined sections reinforced with external composite reinforcement is given.

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The Cut Span Effect on the Beams Inclined Sections Strength Reinforced with External Composite Reinforcement

Cited by 11 publications

References 2 publications

Actual problems of the design documentation development for capital repairs or reconstruction of capital structural facilities

Actual problems of the design documentation development for capital repairs or reconstruction of capital structural facilities

Optimization of Composition and Technological Factors for the Lightweight Fiber-Reinforced Concrete Production on a Combined Aggregate with an Increased Coefficient of Structural Quality

The beams with composite reinforcement inclined sections’ finite element modeling operation results comparison with the results of the laboratory samples’ tests

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