Results 11 to 20 of about 6,991,880 (106)

Nondestructive Determination of Strength of Concrete Incorporating Industrial Wastes as Partial Replacement for Fine Aggregate

open access: yesSensors, 2021
Schmidt rebound hammer test was employed in this study as a nondestructive test. This test method has been universally utilized due to its non-destructiveness for quick and easy assessment of material strength properties and quality of concrete of an ...
Temple Chimuanya Odimegwu   +5 more
doaj   +1 more source

An Infrared Thermography Approach to Evaluate the Strength of a Rock Cliff

open access: yesRemote Sensing, 2021
The mechanical strength is a fundamental characteristic of rock masses that can be empirically related to a number of properties and to the likelihood of instability phenomena.
Marco Loche   +9 more
doaj   +1 more source

Prediksi Kuat Tekan Beton Agregat Recycled Campuran Air Laut dengan Schmidt Rebound Hammer Test

open access: yesRekayasa Sipil, 2023
Nowadays, using recyled aggregate and seawater as replacing natural aggregate and freshwater in mixing have been main priority to be a new concrete construction material.
Lusman Sulaiman   +3 more
doaj   +1 more source

Comparatively Study of Non-Destructive test with different methods in various curing days [PDF]

open access: yesE3S Web of Conferences
In non-destructive testing, materials, components, or assemblies are inspected, tested, or evaluated without being destroyed. In nondestructive testing, materials, components, and assemblies are evaluated for quality and integrity without damaging them ...
Pahade Chandramohan   +6 more
doaj   +1 more source

A Novel Intelligent Rebound Hammer System Based on Internet of Things

open access: yesMicromachines, 2023
In order to improve the test efficiency of concrete strength and ensure measured data reliability, we present a novel intelligent rebound hammer system which is based on the Internet of Things (IoT) and speech recognition technology.
Zongqiang Pang   +3 more
doaj   +1 more source

The Performance of Empirical Laws for Rebound Hammer Tests on Concrete Structures

open access: yesApplied Sciences, 2022
The assessment of concrete compressive strength plays a key role in the analysis of the seismic vulnerability of existing buildings. However, the adoption of classical destructive tests is usually limited by their invasiveness, cost and time needed for ...
Mariella Diaferio, Francisco B. Varona
doaj   +1 more source

Experimental Investigation on Mechanical Properties of Lightweight Aggregate Concrete

open access: yesCivil and Environmental Engineering, 2022
This present research work mainly focusses on an investigation of the workability and strength properties of lightweight aggregates, particularly Palm oil shell and pumice aggregate, used in the production of concrete with (PA) and (POS), which were ...
Kumar A. Dattatreya   +2 more
doaj   +1 more source

Sinking and sleeping of Himalayan city Joshimath

open access: yesQuaternary Science Advances, 2023
Most of the Greater Himalayan cities recurrently face multiple natural hazards or disasters such as earthquake, landslide, sinking, glacier busts and flash flood. So, Joshimath is no exception because it is situated on tectonically very active young fold
Biswajit Bera   +2 more
doaj   +1 more source

Comparative reliability of ultrasonic pulse velocity and rebound hammer test methods in assessing compressive strength [PDF]

open access: yes, 2020
This is an evaluation of the efficacy of the two most popular Non Destructive Testing (NDT) methods – Ultrasonic Pulse Velocity (UPV) and Rebound Hammer (RH) in assessing compressive strength of concrete.
Dahiru, D
core  

Preserving the Great Mosque of Córdoba (Spain): Characterization of Natural Stone Based on Rebound Hammer and Ultrasonic Tests

open access: yesEngineering Proceedings, 2023
The preservation of The Great Mosque of Córdoba (Spain) as a carrier of Andalusian collective memory requires innovative approaches to assess and maintain its structural health.
José Daniel Rodríguez-Mariscal   +5 more
doaj   +1 more source

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