Residual Durability Performance of Glass Fiber Reinforced Concrete Damaged by Compressive Stress Loads

Yıldırım, Musa; Özhan, Hacer Bilir

doi:10.3311/ppci.21387

Cited by 6 publications

(7 citation statements)

References 26 publications

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“…As previously mentioned, the two grout mixture compositions (MS(SW)F1 (5) and MS(SW)F1(10)) did not pass the shaking table tests, therefore it also justifies and validates the previous research works conducted by authors [31] and [43] and, i.e., with the increase of fiber percentages (with respect to the dry mortar mass) and with reduction of fiber lengths, the need of water for grout preparation increases because fibers not only absorb water by itself but also when they come in contact with water they form fiber balls and behaves like a sponge and trap extra water in the cavity, as reported in [43]. It is evident that the longer fibers help in binding/holding the broken parts together avoiding complete collapse of the sample.…”

Section: Mechanical Propertiesmentioning

confidence: 95%

“…85.00% 15.00% MS(SW)F0.5 (5), MS(SW)F0.5 (10) and MS(SW)F0.5 (30) MS(SW)F1(5), MS(SW)F1 (10) and MS(SW)F1 (30) Note: fibers are added with respect to the dry mortar mass. Note: For MS (no fiber) mechanical properties see [31].…”

Section: Evaluation Of Mechanical Propertiesmentioning

confidence: 99%

“…are used for the Fiber Reinforced Concrete (FRC), and sometimes natural fibers are also used for this purpose [2,3]. For structural and non-structural strengthening, retrofitting, or upgrading, man-made fibers like glass [4][5][6], carbon [7], basalt [8-10], etc. are used as fiber composites and Fiber Reinforced Polymers (FRP) are used.…”

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confidence: 99%

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Enhancing Sustainability in Construction: Water Effect on Jute Fiber Composite Mortar

Majumder,

Stochino,

Frattolillo

et al. 2024

Period. Polytech. Civil Eng.

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The use and application of natural fiber in the Construction and Building sector is gaining momentum due to its various advantages over synthetic fibers, mainly in terms of sustainability, recyclability, and biodegradability.In this paper, two aspects of the jute fiber composite mortar have been discussed. Firstly, the effect of water on the mechanical performance of the jute fiber composite mortar samples has been presented here. Secondly, the Digital Image Correlation (DIC) method has been used to analyze and determine the crack openings (mm), in the deformed specimens that occurred during the flexural tests.Notably, for 0.5% (fiber lengths: 30 mm, 10 mm, 5 mm) and 1.0% (fiber length: 30mm) fiber (with respect to the dry mortar mass) composite mortar samples prepared with the same water amount, exactly the same used for the mortar (without fiber). The reduction in flexural (−1.47 to −2.79 MPa) and compression strengths (−5.4 to −14.01 MPa) have been observed when compared with similar combinations (fiber % and fiber lengths) prepared with different amounts of water for every mixture. Whereas, when these composite mortars are compared with samples prepared with the same average water, increment in flexural strengths (0.24 to 1.45 MPa), while changes in compressive strengths ranging from −1.67 and 6.22 MPa have been noticed.The percentage of water used for the grout preparation is an important factor in influencing the mechanical performance of the composite sample. Therefore, whenever fiber is used during the composite mortar fabrication some amount of extra water is necessary for the mixture preparation.

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Section: Mechanical Propertiesmentioning

confidence: 95%

Section: Evaluation Of Mechanical Propertiesmentioning

confidence: 99%

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Enhancing Sustainability in Construction: Water Effect on Jute Fiber Composite Mortar

Majumder,

Stochino,

Frattolillo

et al. 2024

Period. Polytech. Civil Eng.

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“…However, cementitious materials are exposed to various external factors throughout their service life, resulting in the formation of structural and non-structural cracks, spalling, and disintegration, which reduce the physical and mechanical strength of concrete. Therefore, renewable and recoverable composites are required to withstand the aforementioned effects and damage [1,2]. Various materials, such as chemical admixtures, polymers, and cement-based products, are used to protect and repair concrete.…”

Section: Introductionmentioning

confidence: 99%

Effect of Bacterial Curing and Bacterial Additive on Concrete Properties

Yıldırım,

Özhan

2023

ACAE

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In this study, calcium carbonate was formed on the surfaces and inner structure of concrete using the microbially induced carbonate precipitation method. Bacillus megaterium bacteria were supplemented into the curing water and concrete mixtures. Three types of concrete were tested: control concrete, bacteria-containing concrete, and concrete cured in bacterial liquid. Compressive strength, water absorption, capillary water absorption, scanning electron microscopy (SEM), and mapping analyses were conducted to investigate the effects of bacterial additive or bacterial curing to concrete specimens. Bacteria spore added to the concrete mixture and curing in bacterial media increased the compressive strengths of concrete by up to 9,52 % at the end of 28 days of curing. Bacterial curing and the addition of bacteria spores caused a reduction in water absorption rates owing to changes in the concrete structures. Calcite only formed on the surfaces of the samples treated with bacterial curing liquid, thereby limiting its effect on capillary water absorption. In contrast, capillary water absorption in the bacterial concrete decreased by 50 % compared to the control concrete. The crystalline structures of calcium carbonate and bacterial concrete were analysed through SEM imaging. Mapping analysis revealed that the primary elements of calcite were considerably more concentrated on the surface of bacterial concrete than in the control concrete.

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“…Gases, liquids, and ions leak into the concrete structure from existing cracks and voids, and they negatively affect the durability of concrete. Although the compressive strength and durability properties of concrete are generally positively correlated with each other, the durability properties should also be improved since the material is constantly exposed to external influences [2,3]. Permeability properties are of great importance for concrete to be resistant to external influences.…”

Section: Introductionmentioning

confidence: 99%

Effect of permeability-reducing admixtures on concrete properties at different cement dosages

Yıldırım

Özhan

2022

JISE

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Concrete is the most common building material used worldwide. Significantly high strength values have been achieved owing to developing material technology. Besides compressive strength, durability properties should also be taken into consideration since concrete is exposed to several external effects throughout its service life. Durability properties are mainly associated with the voids in the internal structure and surface of concrete. Even if not exposed to any external effects, concrete contains several pores and micro-cracks. These pores and cracks enlarge with the influence of external effects, and new cracks are developed. Therefore, various methods are used to prevent the permeability of harmful liquids and gases into concrete structures. In this study, permeability-reducing admixtures (PRAs) and various cement dosages were used to produce concrete mixtures. The main purpose is to examine the interaction of these additives with the cement dosage. Workability, compressive strength, and depth of water penetration under pressure tests were conducted to observe the effect of PRA on these parameters. The admixture crystallized in the internal structure of the concrete and created a fuller volume. While the compressive strength increased as a result of the crystallized product, the depth of water penetration decreased. Slump tests revealed that the additive was compatible with all cement dosages, and it did not significantly affect the workability properties of the concrete. Expectedly, the compressive strength increased as the cement dosage increased, while the positive effect of the PRA additive gradually decreased. The PRA additive also contributed to the decrease in the depth of water penetration, but its impact decreased as the cement dosage increased. It was concluded based on present findings that PRA additive, which is the most effective at the lowest cement dosage, increased the compressive strength values by 9.44% at this dosage and decreased the depth of water penetration under pressure by 26.09%.

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Residual Durability Performance of Glass Fiber Reinforced Concrete Damaged by Compressive Stress Loads

Cited by 6 publications

References 26 publications

Enhancing Sustainability in Construction: Water Effect on Jute Fiber Composite Mortar

Enhancing Sustainability in Construction: Water Effect on Jute Fiber Composite Mortar

Effect of Bacterial Curing and Bacterial Additive on Concrete Properties

Effect of permeability-reducing admixtures on concrete properties at different cement dosages

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