Dynamic modulus of elasticity and compressive strength evaluations of modified reactive powder concrete (MRPC) by non-destructive ultrasonic pulse velocity method

Moghaddam, Farid Ghaffari; Akbarpour, Abbas; Firouzi, Afshin

doi:10.1080/13467581.2020.1869020

Cited by 6 publications

(4 citation statements)

References 18 publications

(7 reference statements)

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“…Concrete properties alterations are frequently detected utilizing ultrasonic testing methodologies. The propagating path of the ultrasonic wave through the medium would be influenced by the elastic and physical characteristics of the materials [ 25 ]. Chandrappa and Biligiri [ 26 ] analyzed dynamic elastic modulus Ed though ultrasonic method and proposed a model between E d and porosity.…”

Section: Experiments Results and Discussionmentioning

confidence: 99%

“…As a result, the static elasticity modulus is typically lower than the dynamic elasticity modulus, as evaluated using ultrasonic methodologies. The association between dynamic and static elastic modulus was frequently defined using linear models [ 25 , 40 ]. Where γ is the proportional coefficient.…”

Section: Experiments Results and Discussionmentioning

confidence: 99%

“…Moreover, the strength measurement experiment is a semidestructive test, which is quite inconvenient for real-time monitoring of the compressive strength of PC projects in service. Ultrasonic nondestructive testing is a common technique for evaluating the performance of pervious concrete [25][26][27]. Ridengaoqier et al [28] proposed that the relationship between pervious concrete porosity and ultrasonic wave velocity satisfies a quadratic function.…”

Section: Introductionmentioning

confidence: 99%

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Strength deterioration prediction of pervious concrete in sulfate and dry-wet cycle environments utilizing ultrasonic velocity

et al. 2023

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Strength is a crucial performance indicator for evaluating the durability of pervious concrete (PC). However, there are few models for estimating the remaining strength of in-service PC in sulfate and dry-wet cycle circumstances. Even though there are already direct detection methods for strength, nondestructive testing methods are still worth additional research. This paper aims to give a calculation model for the residual strength of PC under corrosion conditions based on ultrasonic methods, which is economical and convenient for engineering applications. The apparent morphological, compressive strength, and ultrasonic velocity of PC against sulfate and dry-wet cycle attack were examined. The results highlight that the primary cause of the macroscopic mechanical deterioration is the worsening in interface strength. Furthermore, the compressive strength and ultrasonic wave velocity of PC followed the same trends during sulfate and dry-wet cycles, increasing first and subsequently decreasing. Additionally, using the curve-fitting approach, an empirical model of strength deterioration based on ultrasonic velocity was developed and validated utilizing experimental data, demonstrating that the proposed model could more accurately define the strength progression. The results can provide an effective calculation method for monitoring the residual strength of PC pavement engineering in a corrosive environment.

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Section: Experiments Results and Discussionmentioning

confidence: 99%

Section: Experiments Results and Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Strength deterioration prediction of pervious concrete in sulfate and dry-wet cycle environments utilizing ultrasonic velocity

et al. 2023

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“…is the density of samples (kg/m 3 ). is poission ratio (Alfahdawi, Osman, Hamid, & Al-Hadithi, 2018;Chandrappa & Biligiri, 2016;Ghaffari Moghaddam, Akbarpour, & Firouzi, 2021;Shariq, Prasad, & Masood, 2013;Swamy & Bouikni, 1990). Lastly, the compressive strength tests of samples were tested according to TS EN 12390-3 (TS EN 12390-3, 2019).…”

Section: = ⁄mentioning

confidence: 99%

Investigation of mechanical properties of polymer impregnated concrete containing polypropylene fiber by taguchi and anova methods

Tanyıldızı

2021

rdlc

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The mechanical properties of polymer impregnated concrete containing polypropylene fiber were statistically and experimentally examined in this study. Taguchi L9 (33) was used in this study. The variables used for experiments were selected as the polypropylene fiber ratio (0%, 1% and 2%), cement dosage (300, 350 and 400 kg/m3) and curing time (7, 14 and 28 days). After the specimens were cured at the specified curing times, they were dried at 105 ±5 °C. Then, the monomer was impregnated to the specimens for 24 hours under atmospheric conditions. The samples for the polymerization of monomer was kept within the drying oven at 60 °C for 6 hours. The compressive strength and ultrasonic pulse velocity tests of specimens, in which polymerization was applied, was conducted. Furthermore, the dynamic modulus of elasticity of samples was calculated using the ultrasonic pulse velocity. The Taguchi analysis found that the best values for the ultrasonic pulse velocity, dynamic modulus of elasticity and compressive strength were 28 days for curing, 1% for the polypropylene fiber percentage and 400 kg/m3 for the cement dosage. The Anova analysis found that the polypropylene fiber percentage had the biggest effect on the mechanical properties of polymer impregnated concrete containing polypropylene fiber.

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Non-destructive Tests of Reactive Powder Concrete Using Sustainable Materials as a Partial Replacement of Fine Aggregate

Gawad¹,

Fawzi²

2022

Current Trends in Geotechnical Engineering and Construction

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Dynamic modulus of elasticity and compressive strength evaluations of modified reactive powder concrete (MRPC) by non-destructive ultrasonic pulse velocity method

Cited by 6 publications

References 18 publications

Strength deterioration prediction of pervious concrete in sulfate and dry-wet cycle environments utilizing ultrasonic velocity

Strength deterioration prediction of pervious concrete in sulfate and dry-wet cycle environments utilizing ultrasonic velocity

Investigation of mechanical properties of polymer impregnated concrete containing polypropylene fiber by taguchi and anova methods

Non-destructive Tests of Reactive Powder Concrete Using Sustainable Materials as a Partial Replacement of Fine Aggregate

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