Studying the abrasion damage of concrete for hydraulic structures under various flow conditions

Liu, Qiong; Li, Liang; Andersen, Lars Vabbersgaard; Wu, Min

doi:10.1016/j.cemconcomp.2022.104849

Cited by 18 publications

(3 citation statements)

References 60 publications

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“…Deltas, which are considered biodiversity hotspots, can exist only where rivers discharge enough sand and mud (Giosan et al 2014). However, excessive amounts of sediment affect the intensity of reservoir sedimentation and can damage hydraulic structures (Gonzalez Rodriguez et al 2023; Liu et al 2023). Also, other contaminants, such as heavy metals or radionuclides as well as microplastic may be carried along with the sediment (Eyrolle et al 2020, Zeng and Yang 2020 Krajewski et al 2022).…”

Section: Introductionmentioning

confidence: 99%

Estimation of Long-Term Suspended Sediment Yield from a Small Agricultural Catchment

Krajewski,

Banasik,

Hejduk

2024

J. Ecol. Eng.

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Predicting and estimating sediment yield from the catchment is crucial for the effective management of water resources and controlling soil erosion. Universal Soil Loss Equations (USLE) and their modifications have been appreciated and commonly applied among many methods. The idea of this work is to use the ESDAC database (a web platform hosting a series of pan-European and global datasets on soil erosion) to build the modified form of the USLE for the Zagożdzonka catchment, a small agricultural area located in central Poland. The calculated sediment yield is compared with the one determined based on the reservoir survey. The conducted analyses show that the average annual suspended sediment yield from the study catchment estimated using the MUSLE equation accounts for 201 Mg and is close to that determined based on the reservoir survey, i.e., 248 Mg. However, MUSLE, with the initially proposed parameters, will overpredict sediment transport at the study site. The ESDAC database may support local studies concerning soil erosion and sediment transport. The research is helpful for policymakers, planners, and engineers.

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Section: Introductionmentioning

confidence: 99%

Estimation of Long-Term Suspended Sediment Yield from a Small Agricultural Catchment

Krajewski,

Banasik,

Hejduk

2024

J. Ecol. Eng.

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“…Moreover, concrete structures may suffer degradation and wear. Abrasion is the main wear mode found in civil engineering structures, resulting from the action of hard particles on the element surface that leads to material loss and surface damage [2], such as abrasive wear of concrete floors [3], abrasion by sand of coastal concrete defence structures [4] and abrasion in hydraulic structures [5]. For example, in hydraulic structures, abrasion is caused by the movement of rubble [6].…”

Section: Introductionmentioning

confidence: 99%

Effects of multi-layer Ti₃C₂T_x nanosheets on compression strength and abrasion resistance of concrete

Silva,

Rosenkranz,

Gonçalves

et al. 2024

Surf. Topogr.: Metrol. Prop.

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Concrete is a leader composite material for structural use in buildings, adaptable to all locations and circumstances in view of its properties such as versatility, durability, and performance. MXenes are new two-dimensional (2D) materials that are very promising for applications in many fields due to their layered structure and physicochemical characteristics. Focused on increasing the performance of concrete structures, this work proposed the reinforcement of concrete with the addition of very small amounts (0.02 wt.-%) of MXenes consisting of multi-layer Ti3C2Tx nanosheets to improve compression and abrasion resistance. The reinforced concrete specimens were tested by uniaxial compression tests and rubber-wheel abrasion tests. The results obtained were compared with reference concrete prepared without any added nanosheets. The concrete with MXenes presented higher compression strength (15% higher) in relation to the reference samples after 3 days of molding. After 28 days, the average compression strength was 20.5% higher with Mxenes, but the difference at 28 days was not statistically significant. The rubber-wheel abrasion tests showed a tendency for reduced wear rates with Mxenes, but the difference was statistically significant only for the tests with larger abrasives. Differences in macroporosity of the concretes were not found to justify the improved performance with Mxenes. The main differences due to the Mxenes reinforcement were due a smoother microtopography. It was proposed that the mechanism responsible for obtaining smoother topography with MXenes was related to the lubricious nature of the Ti3C2Tx nanosheets, that can reduce interparticle friction when a transition of the paste flow to the thickening regime occurs, which is governed by boundary lubrication.

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“…The underwater method is a frequently employed experimental approach that is utilised to simulate the deterioration of concrete by bed load [26]. The mass loss rate and abrasion resistance strength are employed as indexes to assess the abrasion resistance of concrete.…”

Section: Introductionmentioning

confidence: 99%

Study on the Performance Evolution of Hydraulic Concrete under the Alternating Action of Freeze–Thaw and Abrasion

Wu,

Li,

Jiang

2024

Buildings

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The hydraulic concrete in the alpine region is subjected to alternating actions of freeze–thaw (F) and abrasion (W) during operation, resulting in significant deterioration of concrete durability. In this paper, the water/binder ratio (W/B) was employed as the test variable, the working condition F group and W group were set as the control group, and the working condition F-W group was used as the test group. Fast-freezing and underwater methods are used for the alternating test. By measuring the mass loss, relative dynamic elastic modulus (RDEM), surface morphological characteristics, fractal dimension of concrete in each alternating cycle, and the evolution law of concrete performance under the alternating action of F and W was explored. The results show that compared with the control group, the alternating action will accelerate the mass loss of concrete, reduce the RDEM, and cause the deterioration of surface wear. The maximum increase in mass loss and RDEM of concrete is 1.92% and 20.11%, respectively. During this process, the fractal dimension of the concrete increases as the number of alternating cycles increases, but it still does not exceed the limit of 2.4. In addition, a relationship function between the fractal dimension and the mass loss rate, volume loss, was established. It was found that the experimental group had a good linear correlation, and the correlation was close to 95%, which was about 20% higher than that of the control group.

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Studying the abrasion damage of concrete for hydraulic structures under various flow conditions

Cited by 18 publications

References 60 publications

Estimation of Long-Term Suspended Sediment Yield from a Small Agricultural Catchment

Estimation of Long-Term Suspended Sediment Yield from a Small Agricultural Catchment

Effects of multi-layer Ti₃C₂T_x nanosheets on compression strength and abrasion resistance of concrete

Study on the Performance Evolution of Hydraulic Concrete under the Alternating Action of Freeze–Thaw and Abrasion

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Studying the abrasion damage of concrete for hydraulic structures under various flow conditions

Cited by 18 publications

References 60 publications

Estimation of Long-Term Suspended Sediment Yield from a Small Agricultural Catchment

Estimation of Long-Term Suspended Sediment Yield from a Small Agricultural Catchment

Effects of multi-layer Ti3C2Tx nanosheets on compression strength and abrasion resistance of concrete

Study on the Performance Evolution of Hydraulic Concrete under the Alternating Action of Freeze–Thaw and Abrasion

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Effects of multi-layer Ti₃C₂T_x nanosheets on compression strength and abrasion resistance of concrete