Mechanical and durability characteristics of pervious concrete reinforced with mechanically recycled carbon fiber composite materials

Nassiri, Somayeh; AlShareedah, Othman; Rodin, Harry; Englund, Karl

doi:10.1617/s11527-021-01708-8

Cited by 16 publications

(13 citation statements)

References 26 publications

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“…Commercially accessible reinforcements come in a variety of categories and have features that make them suitable for particular applications. Examples include "carbon fiber [19,20], steel fiber (SF) [21,22], glass fiber [23], polypropylene fiber [24,25], organic fibers [26,27], carbon nanotubes [28], basalt fiber [29] and more. In comparison to other industrial fibers, SF is by far the better fiber when it comes to the mechanical performance of concrete.…”

Section: Introductionmentioning

confidence: 99%

Influence of Heat–Cool Cyclic Exposure on the Performance of Fiber-Reinforced High-Strength Concrete

et al. 2023

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Sometimes civil engineering infrastructures have been constructed in hot and cold weathering regions such as desert areas. In such situations, the concrete is not only smashed by hot and cold processes but also spoiled by shrinkage cracking. Therefore, this study intends to examine the influence of heat–cool cycles on high-strength concrete comprising various fibers, such as natural date palm, polypropylene, and steel fibers, and their different volume percentages. The most popular technique for improving the structural behavior of concrete is fiber insertion. Fibers decrease cracking occurrences, enhance early strength under impact loads, and increase a structure’s ability to absorb additional energy. The main goal is to examine the effects of three different types of fibers on regular concrete exposed to heat–cool cycles. For each type of fiber, three dosages of 0.2%, 0.6%, and 1% were used to create high-strength concrete. After 28 days of regular water curing and six months of exposure to heat-and-cold cycles, all specimens were tested. The heat–cool cycles entailed heating for two days at 60 °C in the oven and cooling for another two days at room temperature. The results of the experiment showed that fiber reinforcement in concrete improves its strength and durability. The flexural strength was substantially improved by increasing the date palm, polypropylene, and steel fibers into the high-strength concrete with and without heat–cool cycles. Adding increments of date palm, polypropylene, and steel fibers into high-strength concrete revealed a significant improvement in energy absorption capacity in both cases, i.e., with or without the implementation of heat–cool cycles. Therefore, the natural date palm fibers might be utilized to produce sustainable fibrous high-strength concrete and be applicable in severe weathering conditions.

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Section: Introductionmentioning

confidence: 99%

Influence of Heat–Cool Cyclic Exposure on the Performance of Fiber-Reinforced High-Strength Concrete

et al. 2023

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“…The aggregate used in the test was 27.5, 32.5 and 37.5 mm, the water-binder ratio was 0.32, and the polymer content was 10% of the water consumption.65 trabeculars were made for static bending test and fatigue bending test, the stress level was 0.65-0.85, and the stress ratio was 0.08, 0.2 and 0.5. The test results show that the fatigue life of Figure 10: Relationship between the number of freeze-thaw cycles and compressive strength loss rate of PCP [63][64][65][66][67] specimens accords with two-parameter Weibull distribution, and the fatigue life equation coefficient is proposed. With the increase of aggregate particle size, the static strength and fatigue life of PCP decrease gradually.…”

Section: Fatigue Propertymentioning

confidence: 99%

Research Progress of Eco-Friendly Portland Cement Porous Concrete: A Review

X¹,

Li²,

Guo³

et al. 2023

Journal of Renewable Materials

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With the great impetus of energy conservation and emission reduction policies in various countries, the proposal of concepts such as "Sponge City" and "Eco-City", and the emphasis on restoration and governance of ecological environment day by day, portland cement porous concrete (PCPC), as a novel building material, has attracted more and more attention from scientific researchers and engineers. PCPC possesses the peculiar pore structure, which owns numerous functions like river embankment protection, vegetation greening as well as air-cleaning, and has been of wide application in different engineering fields. This paper reviews the salient properties of PCPC, detailedly expounds the research progress of domestic and foreign literature about this subject in the past ten years (2010-2020), conducts the statistical analysis of the distribution rule of its major properties around the world, combines with the engineering application to summarize the excellent properties of PCPC, and makes a forecast of future research direction.

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“…For example, adding steel fiber into RC not only improves its tensile, compressive and flexural and shear properties of components, but also improves the toughness and deformation capacity of materials, and improves the permeability and explosion resistance; Adding ceramsite or lightweight aggregate to RC will be a good insulation partition material; The new combination of section steel and RC, steel pipe and RC all give play to the advantages of their respective materials. RC improves the stiffness of section steel structure, and section steel increases the deformation capacity of the structure [8]. Therefore, RC bridge will also become a new idea in structural engineering.…”

Section: Processing Technology Of Rcmentioning

confidence: 99%

Recycled concrete bridge engineering based on artificial intelligence algorithm

Wang

Ma²,

Sun³

et al. 2022

International Symposium on Robotics, Artificial Intelligence, and Information Engineering (RAIIE 2022)

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In recent years, the construction industry has developed rapidly. As the largest amount of building materials, the consumption of concrete is increasing day by day. As a kind of green and healthy concrete, the development and application of recycled concrete(RC) can not only alleviate the occupation of natural resources by concrete and ensure the sustainable development of human society, but also have important significance for resource recycling and environmental protection. Based on this, this paper puts forward artificial intelligence algorithm(AIA), discusses its application in RC bridge engineering, and briefly analyzes the basic mechanical properties, processing technology and mix design of RC; The grey neural network predictive control of the durability index of RC bridge is discussed, and the network output results of the predicted and measured strength of RC bridge of AIA are measured through experiments. The results show that the predicted results have a certain guiding effect on the subsequent construction control, and verify the feasibility of applying AIA to RC bridge engineering proposed in this paper.

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Mechanical and durability characteristics of pervious concrete reinforced with mechanically recycled carbon fiber composite materials

Cited by 16 publications

References 26 publications

Influence of Heat–Cool Cyclic Exposure on the Performance of Fiber-Reinforced High-Strength Concrete

Influence of Heat–Cool Cyclic Exposure on the Performance of Fiber-Reinforced High-Strength Concrete

Research Progress of Eco-Friendly Portland Cement Porous Concrete: A Review

Recycled concrete bridge engineering based on artificial intelligence algorithm

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