Results 251 to 260 of about 15,172 (317)

Delamination Localization in CFRP Laminates Using One-Way Mixing of Ultrasonic Guided Waves. [PDF]

Sensors (Basel)
Sun M, Liu Y, Li L, Zhang X, Xiao B, Zhang Y, Liu H.   +6 more
europepmc   +1 more source

Microbial-induced calcite precipitation by indigenous alkaliphilic bacteria: a dual-enzyme strategy for crack-healing in cementitious materials. [PDF]

Appl Microbiol Biotechnol
Shiri M, Bahari A, Sarbangholi MMK, IvanovichVatin N, Rahmani H, Bozorg AE, Gholamian E, Kordlou M.   +7 more
europepmc   +1 more source

Ultrasonic Pulse Velocity Tests on Compacted Soil

Characterization, Modeling, and Performance of Geomaterials, 2009
In this paper, results of a series of ultrasonic pulse velocity tests on compacted soil were presented and discussed. Ultrasonic pulse velocity tests provide compression and shear wave velocity information that can be used in calculating dynamic elastic moduli such as Young’s modulus and shear modulus.
David M. Weidinger, Louis Ge, Richard W. Stephenson   +2 more
openaire   +3 more sources

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Ultrasonic pulse velocity for mechanical properties determination of wood

Wood Material Science & Engineering, 2023
Soheil Palizi, Vahab Toufigh, Moein Ramezanpour Kami   +2 more
openaire   +2 more sources

Evaluation of residual strength with ultrasonic pulse velocity relationship for concrete exposed to high temperatures

Advances in Mechanical Engineering, 2021
This paper presents the results of an experimental investigation on the relationship between strength and ultrasonic pulse velocity (UPV) of concrete exposed to high temperature, especially for a decision of building remodeling of concrete structures ...
Yeol Choi, Joo-Won Kang, Chang-Geun Cho   +2 more
exaly   +2 more sources

Predicting compressive strength of cement-stabilized earth blocks using machine learning models incorporating cement content, ultrasonic pulse velocity, and electrical resistivity

Nondestructive Testing and Evaluation, 2023
The quality monitoring technique for Cement stabilised earth blocks (CSEBs) is so challenging that it is often neglected. This study has investigated the possibility of using machine learning to predict the compressive strength of CSEBs based on cement ...
N. Sathiparan, P. Jeyananthan
semanticscholar   +1 more source

Prediction of characteristics of cement stabilized earth blocks using non-destructive testing: Ultrasonic pulse velocity and electrical resistivity

Materialia, 2023
The quality monitoring procedure is so tricky in cement-stabilized earth masonry buildings that it is typically avoided. As a potential means of enhancing the aforementioned quality control, the current study investigates some statistical analyses ...
N. Sathiparan, W.G.B.S Jayasundara, Kushlani S. Samarakoon, B. Banujan   +3 more
semanticscholar   +1 more source

Compressive strength of rubberized concrete: Regression and GA-BPNN approaches using ultrasonic pulse velocity

Construction and Building Materials, 2021
Rubberized concrete is one of the solutions to the disposal problem caused by large amounts of untreated waste rubber. To assess the performance of existing concrete structures, non-destructive-testing techniques offer a direct, quick, safe and reliable ...
Yifan Zhang, F. Aslani, B. Lehane
semanticscholar   +1 more source