Results 81 to 90 of about 1,549,653 (180)

Experimental Study of Thermally Damaged Concrete under a Hygrothermal Environment by Using a Combined Infrared Thermal Imaging and Ultrasonic Pulse Velocity Method. [PDF]

Materials (Basel), 2023
Wang Y, Cui J, Deng J, Zhou H.
europepmc   +1 more source

Detection and Characterization of Long-Pulse Low-Velocity Impact Damage in Plastic Bonded Explosives

, 2005
Damage not only degrades the mechanical properties of explosives, but also influences the shock sensitivity, combustion and even detonation behavior of explosives. The study of impact damage is crucial in the vulnerability evaluation of explosives.
Chen PW, Huang FL, 丁雁生, Dai KD, Chen, PW (reprint author), Beijing Inst Technol, Natl Key Lab Explos & Safety Sci, Beijing 100081, Peoples R China.   +4 more
core   +1 more source

Investigating the Ultrasonic Pulse Velocity of Concrete Containing Waste Marble Dust and Its Estimation Using Artificial Intelligence. [PDF]

Materials (Basel), 2022
Yang D, Zhao J, Suhail SA, Ahmad W, Ahmad W, Kamiński P, Dyczko A, Salmi A, Mohamed A.   +8 more
europepmc   +1 more source

Ultrasonic Characterization of Epoxy Composites Reinforced by Glass Powder

Journal of Engineering and Sustainable Development, 2013
The aim of this work is to find relationships between the selected parameters of an ultrasonic waves and the glass powder content in an epoxy composites . Epoxy composites materials with 10% , 20% , 30% , 40% , 50% and 60% glass powder volume fraction
Awad Hallosh Khidhir , Amer Yahya M. Aljarjees, Osama A. Amor   +2 more
doaj  

Estimating Compressive Strength of Concrete Containing Untreated Coal Waste Aggregates Using Ultrasonic Pulse Velocity. [PDF]

Materials (Basel), 2021
Karimaei M, Dabbaghi F, Dehestani M, Rashidi M.   +3 more
europepmc   +1 more source

Optimizing Self-compacting Concretes with Recycled Plastic Aggregate: Fresh and Hardened Properties – Experimental Study and Modeling

Medžiagotyra
This study investigates the effects of incorporating recycled polyethylene terephthalate (PET) plastic aggregate into self-compacting concrete (SCC) as a partial replacement for natural aggregate.
Said ZAOUAI, Rachid RABEHI, Mohamed RABEHI   +2 more
doaj   +1 more source

Estimativa da profundidade de fendas no concreto através da utilização do ultra-som e eco-impacto [PDF]

, 2006
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Civil.A necessidade de detecção de anomalias no concreto está cada vez mais ocorrente devido à preocupação com a durabilidade das
Andrade, Patrícia Becker de
core  

Correlation between the Compressive Strength and Ultrasonic Pulse Velocity of Cement Mortars Blended with Silica Fume: An Analysis of Microstructure and Hydration Kinetics. [PDF]

Materials (Basel), 2021
Hong G, Oh S, Choi S, Chin WJ, Kim YJ, Song C.   +5 more
europepmc   +1 more source

Assessment of Reinforced Concrete Columns Using Ultrasonic Tomography

e-Journal of Nondestructive Testing
Nondestructive testing (NDT) is increasingly being used in the construction industry for auxiliary inspection of concrete structures. One of the most used techniques is the measurement of the ultrasonic pulse velocity.
Alexandre Lorenzi, Leonardo Covatti de OLIVEIRA, Tobias Pigatto Ottoni, Lucas Alexandre Reginatto, Luciani Somensi Lorenzi   +4 more
doaj   +1 more source

NON-DESTRUCTIVE EVALUATION OF STRENGTH GAIN OF ORDINARY PORTLAND CEMENT MORTAR BY ULTRASONIC PULSE VELOCITY METHOD

, 2016
This research is based on the results of the study of ultrasonic pulse velocity and compressive strength of ordinary Portland cement mortar. Objectives of this study are to determine correlations between ultrasonic pulse velocity and compressive ...
De Silva, SDC
core   +1 more source