Results 21 to 30 of about 1,075 (252)

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

Robust Analysis of Various Measurement Uncertainty Parameters in Rebound Hammer Test

open access: yesIndian Journal Of Science And Technology, 2023
Abstract Objective: The major objective of the proposed work is to determine the concrete’s expected compressive strength by evaluating the consistency of concrete using Rebound Hammer Test. Further, the determination of the quality of one component of the concrete relates to the quality of another component based on the concrete meeting criteria ...
Prashant Awachat   +3 more
openaire   +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

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

Predicting the performance of existing pre-cast concrete pipes using destructive and non-destructive testing techniques

open access: yesHeliyon, 2023
One of the most significant and critical urban assets for a sustainable community is the sewer pipeline network and water distribution system. Water sewer networks and distribution systems have a definite service life span to provide continuous ...
Wasim Abbass   +5 more
doaj   +1 more source

Non-Destructive Concrete Strength Evaluation Using PZT Based Surface Wave Propagation Technique – A Comparative Study

open access: yesMATEC Web of Conferences, 2016
Surface wave propagation (SWP) technique employing Lead Zirconate Titanate (PZT) transducer has recently been found to be a useful tool in concrete hydration monitoring.
Kwong Kok Zee   +2 more
doaj   +1 more source

Effects of hybrid polyethylene terephthalate fibre and fly ash on mechanical properties of concrete

open access: yesMaterials Research Express, 2022
Cracked concrete is a problem due to several factors such as poor maintenance, insufficient reinforcement or steel corrosion leading to crack propagation. There is a need to increase the load-bearing capacity of concrete and increase its life span.
N Z Nkomo, L M Masu, P K Nziu
doaj   +1 more source

Durability of Soft Pneumatic Actuators: A Review and Benchmarking Protocol

open access: yesAdvanced Robotics Research, EarlyView.
Lack of durability is a key challenge hindering the broad scale adoption of soft pneumatic actuators (SPAs) in automation industries. This review provides a comprehensive overview of existing research on SPA durability, introduces a standardized durability benchmarking protocol to consolidate the testing of SPAs, and outlines promising directions for ...
Dickson Chiu Yu Wong   +2 more
wiley   +1 more source

Empirical Investigation on Compressive Strength of Geopolymer and Conventional Concretes by Nondestructive Method

open access: yesAdvances in Materials Science and Engineering, 2021
Need of construction is increasing due to increase in population growth rate. The geopolymer concrete is eco-friendly than ordinary concrete. Current experimental investigation was conducted on ordinary and geopolymer concrete using nondestructive ...
B. Ravali   +5 more
doaj   +1 more source

Cross Kingdom Metabolic Engineering Paradigm Elevating Sustainable Protein Production

open access: yesAdvanced Science, EarlyView.
ABSTRACT Confronting the dual crisis of escalating global protein demand and unsustainable agriculture necessitates transformative solutions. Here, we pioneer evolutionary insights from maize nitrogen optimization via asparagine synthetase (ASNS) to rewire metabolism in Pichia pastoris.
Yuanyuan Du   +4 more
wiley   +1 more source

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