Study on estimation of compressive strength of concrete in structure using ultrasonic method

Watanabe, Satoshi; Hishikawa, Kazumi; Kamae, Kengo; Namiki, Satoru

doi:10.1002/2475-8876.1009

Cited by 5 publications

(1 citation statement)

References 4 publications

(25 reference statements)

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“…In which Vel US is the measured US expressed in m/s, and a is a suitable constant that must be calibrated on a reference sample [15]. Digital radiography was carried out with Seifert ISOVOLT Titan 160 M2 0.4-1.5 (GE Inspection Technologies GmbH, Wunstorf, Germany) to study the density of the mortar.…”

Section: Evaluation Of Physical Properties Of Bio-mortars By Non-dest...mentioning

confidence: 99%

Mucilages from Different Plant Species Affect the Characteristics of Bio-Mortars for Restoration

et al. 2021

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The need for compatible materials for the preservation of cultural heritage has resulted in the revival of lime-based mortar technology and other applications. This work investigates the cohesion and integrity of lime mortars added with fresh mucilage extracted from five plants and evaluates their bioreceptivity for long-term durability. Specimens of lime mortars added with 2.5% of fresh mucilage extracted from Aloe vera, Cylindropuntia californica, Opuntia engelmannii, Opuntia ficus-indica and Salvia hispanica mucilages were analyzed for color change (colorimetry), cohesion (ultrasound measurements), integrity (X-rays) and bioreceptivity (microbiological tests).The internal structure of the specimens added with Cacti mucilages shows better compactness, and no color change was noticed in the bio-mortars also after aging. The bioreceptivity response of mortars inoculated with bacteria, fungi and a photosynthetic biofilm was quite different. Specimens added with Aloe and Cylindropuntia mucilages showed a higher extent of bioreceptivity than the control; the specimens of bio-mortars added with Opuntia engelmannii, Opuntia ficus-indica and Salvia hispanica mucilages did not appear, up to threemonths after the contamination, any microbial growth. These results indicate that the addition of mucilage improves the mortar qualities, but the choice of the plant mucilage must be carefully evaluated since it can be responsible for changes in the bioreceptivity of the mortar.

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Section: Evaluation Of Physical Properties Of Bio-mortars By Non-dest...mentioning

confidence: 99%

Mucilages from Different Plant Species Affect the Characteristics of Bio-Mortars for Restoration

et al. 2021

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Experimental study on the impact of sulfate attack on the performance of shaft lining concrete under sustained compressive load

Xu,

Zhang,

Chen

et al. 2024

Case Studies in Construction Materials

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Mechanical Damage and Failure Behavior of Shaft-Lining Concrete after Exposure to High Pore-Water Pressure

Xue

Yao

Jing

et al. 2020

J. Mater. Civ. Eng.

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Study on estimation of compressive strength of concrete in structure using ultrasonic method

Cited by 5 publications

References 4 publications

Mucilages from Different Plant Species Affect the Characteristics of Bio-Mortars for Restoration

Mucilages from Different Plant Species Affect the Characteristics of Bio-Mortars for Restoration

Experimental study on the impact of sulfate attack on the performance of shaft lining concrete under sustained compressive load

Mechanical Damage and Failure Behavior of Shaft-Lining Concrete after Exposure to High Pore-Water Pressure

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