Computational model of textile-reinforced concrete structures

Höller, Stefan; Butenweg, Christoph; Noh, Sam-Young; Meskouris, Konstantin

doi:10.1016/j.compstruc.2004.03.076

Cited by 38 publications

(16 citation statements)

References 2 publications

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“…The textile reinforcement in the longitudinal direction of the rectangular TRC slab was bundled in a monolithic bar (see Fig. 8) similar to what has been applied in other modelling approaches (Azzam and Richter 2011;Holler et al 2004;Williams Portal et al 2013;Williams Portal et al 2014). The monolithic bar is assumed to have one bond interface with the concrete matrix which therefore neglects the actual uneven bond distribution across the yarn structure.…”

Section: Textile Reinforcementmentioning

confidence: 99%

“…Modelling with two interfaces between the external and internal filaments have indicated insignificant differences when compared to modelling with one bond interface (Holler et al 2004). The quantification of the relative displacement between the external and internal filaments would require an iterative and time consuming process which is thought to be more relevant for more detailed modelling scales, i.e.…”

Section: Textile Reinforcementmentioning

confidence: 99%

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Flexural behaviour of textile reinforced concrete composites: experimental and numerical evaluation

2016

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Textile reinforced concrete (TRC) is an innovative high performance composite material which has revealed many promising attributes in various applications but test methods and reliable numerical models need to be established to reduce uncertainty and the need for extensive experimental studies. The aim of this paper was to evaluate the flexural behaviour of carbon textile reinforced TRC slabs both experimentally and numerically along with the characterization of the material and interaction level properties. The experimental results characterizing the bond behaviour were linked to the experimental behaviour of a rectangular TRC slab in bending through numerical analyses. A 2D macro-scale FE-model of the tested TRC slab was developed based on the related experimental input. Comparison of the numerical results to the experiments revealed that the flexural failure was governed by bond, and reasonable agreement was obtained in terms of crack development, deflections, maximum load, and failure mode. Accordingly, the experiments further indicated that the flexural behaviour of TRC slabs is greatly influenced by the bond quality.

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Section: Textile Reinforcementmentioning

confidence: 99%

Section: Textile Reinforcementmentioning

confidence: 99%

Flexural behaviour of textile reinforced concrete composites: experimental and numerical evaluation

2016

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“…Kong et al [ 7 ] compared the tensile and flexural behavior of the TRC and found that the ultimate tensile strength of TRC obtained with bending experiments is higher than that obtained with tensile experiments. Additionally, some numerical models were developed for predicting the bending and tensile behaviors of TRC sandwich beams and verified with experiments [ 8 , 9 , 10 ]. All these studies put emphasis on determining the ultimate tensile strength of newly fabricated TRC components.…”

Section: Introductionmentioning

confidence: 99%

Residual Strength Evaluation of Corroded Textile-Reinforced Concrete by the Deep Learning-Based Method

et al. 2020

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Residual strength of corroded textile-reinforced concrete (TRC) is evaluated using the deep learning-based method, whose feasibility is demonstrated by experiment. Compared to the traditional method, the proposed method does not need to know the climatic conditions in which the TRC exists. Firstly, the information about the faster region-based convolutional neural networks (Faster R-CNN) is described briefly, and then procedures to prepare datasets are introduced. Twenty TRC specimens were fabricated and divided into five groups that were treated to five different corrosion degrees corresponding to five different residual strengths. Five groups of images of microstructure features of these TRC specimens with five different residual strengths were obtained with portable digital microscopes in various circumstances. With the obtained images, datasets required to train, validate, and test the Faster R-CNN were prepared. To enhance the precision of residual strength evaluation, parameter analysis was conducted for the adopted model. Under the best combination of considered parameters, the mean average precision for the residual strength evaluation of the five groups of the TRC is 98.98%. The feasibility of the trained model was finally verified with new images and the procedures to apply the presented method were summarized. The paper provides new insight into evaluating the residual strength of structural materials, which would be helpful for safety evaluation of engineering structures.

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“…For several decades, textile-reinforced concrete (TRC) has been innovative material for constructions. TRC can be used instead of conventional composite-building materials for many new applications [5]. TRC is a new composite material consisting of a fine-grained concrete matrix and corrosion-resistant high-performance multifilament yarns such as alkali-resistant glass, carbon, basalt, and polymer [6].…”

Section: Introduction To Textile Composites For Constructionmentioning

confidence: 99%

Hybrid Yarn Composites for Construction

Kurban¹,

Babaarslan²,

Çağatay³

2017

Textiles for Advanced Applications

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Textile-reinforced concrete (TRC) is a new innovative construction material that leads to lightweight and cost-effective construction. TRC consists of a finely grained cement-based matrix and high-performance, continuous multifilament yarns made of alkali-resistant glass, carbon, or polymer. Using these fibers provides superior mechanical properties and corrosion resistance in comparison with ferroconcrete. The application of epoxy resin coating to the textile materials improves the utilization of mechanical performance and handling properties as well. In recent years, researchers have studied alternative methods because coating process is very detailed and epoxy resin is of high cost. The experimental part of this chapter focuses on the experimental investigation carried out on high-strength concrete reinforced with hybrid yarns. Braiding technology was used to manufacture hybrid yarn from alkali-resistant glass fiber (ARG) and polypropylene (PP) filament. Next step, thermoplastic part of braided yarn was melted on press heating. Finally, TRC was produced from ARG, coated ARG, carbon fiber, coated carbon fiber, and heated hybrid yarns. Although the contribution of the heated hybrid yarn is limited, it is expected that the desired results will be obtained by changes in braiding yarn production and yarn composition ratios.

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Computational model of textile-reinforced concrete structures

Cited by 38 publications

References 2 publications

Flexural behaviour of textile reinforced concrete composites: experimental and numerical evaluation

Flexural behaviour of textile reinforced concrete composites: experimental and numerical evaluation

Residual Strength Evaluation of Corroded Textile-Reinforced Concrete by the Deep Learning-Based Method

Hybrid Yarn Composites for Construction

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