Effect of Freeze–Thaw Cycling on the Failure of Fibre-Cement Boards, Assessed Using Acoustic Emission Method and Artificial Neural Network

Gorzelańczyk, Tomasz; Schabowicz, Krzysztof

doi:10.3390/ma12132181

Cited by 13 publications

(14 citation statements)

References 38 publications

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“…Figure 7 shows the specific surface area of pores. Concretes incorporated with rubber or/and nano-SiO 2 have a relatively higher specific surface area of pores, which is in line with the research by Zhu et al [ 29 ]. To understand the effect of pore specific surface area on frost resistance, the correlations between pore specific surface area and mass loss and RDME loss are analyzed, as illustrated in Figure 8 .…”

Section: Results Analysissupporting

confidence: 90%

Frost Resistance and Pore Structure of Concrete Incorporated with Rubber Aggregates and Nano-SiO2

2021

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This paper aims to develop frost-resistant concretes, and investigate their pore structures and freeze–thaw damage mechanism. The frost-resistant concrete mixtures are designed by using rubber particles and nano-SiO2 to partially replace sands. The chord lengths, specific surface areas, contents and spacing coefficients of the pores in the designed concretes are measured and analyzed. The results show that concrete mixture incorporated with 5% silanized rubber and 3% nanosilica shows good synergetic effect by considering both mass loss and relative dynamic modulus of elasticity (RDME). The freeze–thaw damage degree of the concrete could be reduced by adding high elastic rubber particles, due to filling and constraining pores, and resulting in better uniform pore distribution and smaller pore spacing coefficient. Furthermore, the correlations between frost resistance and pore are analyzed and proposed.

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Section: Results Analysissupporting

confidence: 90%

Frost Resistance and Pore Structure of Concrete Incorporated with Rubber Aggregates and Nano-SiO2

2021

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“…In addition, NDT-UPV has been successfully used investigating the corrosion of mortar and concrete reinforcement [16,17], and in the study of durability of these construction materials [18][19][20][21][22][23][24]. For instance, non-destructive ultrasonic test methods have been used to monitor microcracking in concrete [24,25].…”

Section: Introductionmentioning

confidence: 99%

Ultrasonic Pulse Velocity—Compressive Strength Relationship for Portland Cement Mortars Cured at Different Conditions

et al. 2020

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The purpose of this paper is to establish some correlations between the main technical parameter with regard to the cement-based materials technology, the 28-day compressive strength, and ultrasonic pulse velocity of standard mortar samples cured at three different conditions—(i) under water at 22 °C; (ii) climatic chamber at 95% RH and 22 °C; (iii) lab ambient, 50% RH, and 22 °C—and after five curing periods of 1, 2, 7, 14, and 28 days. Good correlations for each curing conditions were obtained. All the positive linear relationships showed better R2 than exponential ones. These findings may promote the use of ultrasonic pulse velocity for the estimation of the 28-day compressive strength of standard Portland cement samples within the factory internal quality control.

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“…Paper [33] presents the results of investigations into the effect of freeze-thaw cycling on the failure of fiber-cement boards and on the changes taking place in their structure. An artificial neural network was employed to analyze the results yielded by the acoustic emission method.…”

Section: Description Of the Articles Presented In The Issuementioning

confidence: 99%

“…SEM examinations were carried out to get a better insight into the changes taking place in the structure of the tested boards. Interesting results with significance for building practice were obtained [33].…”

Section: Description Of the Articles Presented In The Issuementioning

confidence: 99%

Non-Destructive Testing of Materials in Civil Engineering

Schabowicz

2019

Materials

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This issue was proposed and organized as a means to present recent developments in the field of non-destructive testing of materials in civil engineering. For this reason, the articles highlighted in this editorial relate to different aspects of non-destructive testing of different materials in civil engineering, from building materials to building structures. The current trend in the development of non-destructive testing of materials in civil engineering is mainly concerned with the detection of flaws and defects in concrete elements and structures, and acoustic methods predominate in this field. As in medicine, the trend is towards designing test equipment that allows one to obtain a picture of the inside of the tested element and materials. Interesting results with significance for building practices were obtained.

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Effect of Freeze–Thaw Cycling on the Failure of Fibre-Cement Boards, Assessed Using Acoustic Emission Method and Artificial Neural Network

Cited by 13 publications

References 38 publications

Frost Resistance and Pore Structure of Concrete Incorporated with Rubber Aggregates and Nano-SiO2

Frost Resistance and Pore Structure of Concrete Incorporated with Rubber Aggregates and Nano-SiO2

Ultrasonic Pulse Velocity—Compressive Strength Relationship for Portland Cement Mortars Cured at Different Conditions

Non-Destructive Testing of Materials in Civil Engineering

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