Results 21 to 30 of about 1,039 (167)
Estimation of Mechanical and Durability Properties of Self-Compacting Concrete with Fibers Using Ultrasonic Pulse Velocity [PDF]
Journal of Rehabilitation in Civil Engineering, 2018 This study addressed the efficiency of ultrasonic pulse velocity (UPV) as a nondestructive test in concrete in estimating the mechanical (compressive and tensile strength) and durability (water absorption) properties of fiber-reinforced self-compacting ...
Masoud Fallahtabar Shiade +1 more
doaj +1 more source
IOP Conference Series: Materials Science and Engineering, 2021 Abstract A significant number of researches pointed to the serious environmental and health effects of the Ordinary Portland Cement (OPC), including the harmful emissions and alkaline wastewaters. Therefore, the development of eco-friendly alternatives for the OPC is one of the priorities of nowadays studies.
Raad Hashim +7 more
openaire +1 more source
Frost influence on the ultrasonic pulse velocity in concrete at early phases of hydration process
Case Studies in Construction Materials, 2021 Quite often concrete strength parameters have to be determined at an early age. Due to the strong correlation existing between the mechanical and acoustic properties of concrete, ultrasonic devices can be used for this purpose.
Uldis Lencis +2 more
doaj +1 more source
Compressive Strength assessment of self-compacted concrete with Nano materials using ultrasonic pulse velocity method [PDF]
Journal of Structural and Construction Engineering, 2020 In this paper the compressive strength (f’c) of self-compacted concrete (SCC) containing Nanomaterials (NM) is evaluated by non-destructive ultrasonic pulse velocity method. This study involves about 13 different mixtures containing Nano oxides of Silica
Rahmat Madandoust +1 more
doaj +1 more source
Prediction of cemented backfill strength by ultrasonic pulse velocity and BP neural network
工程科学学报, 2016 Tailing-cemented backfill is a cement-based heterogeneous composite whose uniaxial compressive strength (UCS) and ultrasonic pulse velocity (UPV) are dependent on cement dosage, solid content, sample type, etc.
XU Miao-fei +5 more
doaj +1 more source
Alexandria Engineering Journal, 2012 This study aims to investigate the relationships between Schmidt hardness rebound number (RN) and ultrasonic pulse velocity (UPV) versus compressive strength (fc) of stones and bricks.
Ali Abd Elhakam Aliabdo +1 more
doaj +1 more source
Estimation of Flexural Strength of Plain Concrete from Ultrasonic Pulse Velocity
Journal of Engineering, 2023 The aim of this study is to propose mathematical expressions for estimation of the flexural strength of plain concrete members from ultrasonic pulse velocity (UPV) measurements.
Ala’a Hussein. Alwan Al-Zuhairi
doaj +1 more source
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 2020 Presently there is increasing attention in utilization foamcrete as a lightweight non-structural and semi-structural element in buildings to take advantage of its excellent insulation properties. Though, foamcrete has been noticed to have some disadvantages: considerable brittleness; results in low compressive and flexural strength, poor fracture ...
Mydin, Md Azree Othuman +3 more
openaire +3 more sources
Heliyon, 2020 This paper determines the effect of steel, glass, and nylon fibers on the compressive strength and ultrasonic pulse velocity (UPV) of fiber reinforced concrete.
Saman Hedjazi, Daniel Castillo
doaj +1 more source
Experimental study of crack depth measurement of concrete with ultrasonic pulse velocity (UPV)
IOP Conference Series: Materials Science and Engineering, 2019 Abstract This research was conducted to know the effect of reinforcement and distance tranducer effective in detecting the depth of concrete cracks. The test specimen used is a 15x15x60 cm3 concrete beam with a concrete quality of 19 MPa.
null Baehaki, M Andi, G R Yohanes
openaire +1 more source