Results 1 to 10 of about 93,373 (292)

Development and Application of a Structural Health Monitoring System Based on Wireless Smart Aggregates [PDF]

open access: yesSensors, 2017
Structural health monitoring (SHM) systems can improve the safety and reliability of structures, reduce maintenance costs, and extend service life. Research on concrete SHMs using piezoelectric-based smart aggregates have reached great achievements ...
Shi Yan   +4 more
doaj   +4 more sources

Electro-Mechanical Impedance (EMI) Based Interlayer Slide Detection Using Piezoceramic Smart Aggregates—A Feasibility Study [PDF]

open access: yesSensors, 2018
Interlayer slide damage is one of the main causes of landslide hazard, inflicting huge economic losses and casualties. It is urgent to accurately detect the initiation and development of the interlayer slide damage in real time. In this paper, a study on
Jianchao Wu, Weijie Li, Qian Feng
doaj   +4 more sources

Experimental Study on Stress Monitoring of Sand-Filled Steel Tube during Impact Using Piezoceramic Smart Aggregates [PDF]

open access: yesSensors, 2017
The filling of thin-walled steel tubes with quartz sand can help to prevent the premature buckling of the steel tube at a low cost. During an impact, the internal stress of the quartz sand-filled steel tube column is subjected to not only axial force but
Guofeng Du   +3 more
doaj   +2 more sources

Towards standardisation of zinc slag as a sustainable fine aggregate substitute in concrete [PDF]

open access: yesScientific Reports
In the construction industry, a huge demand for alternative construction materials has driven interest in industrial by-products as substitutes for natural aggregates.
Jun Chul Yoon   +6 more
doaj   +2 more sources

Damage Monitoring of Engineered Cementitious Composite Beams Reinforced with Hybrid Bars Using Piezoceramic-Based Smart Aggregates [PDF]

open access: yesSensors, 2022
In order to explore the crack development mechanism and damage self-repairing capacity of ECC beams reinforced with hybrid bars, the smart aggregate-based active sensing approach were herein adopted to conduct damage monitoring of ECC beams under cyclic ...
Hui Qian   +4 more
doaj   +2 more sources

Crack Detection of FRP-Reinforced Concrete Beam Using Embedded Piezoceramic Smart Aggregates [PDF]

open access: yesSensors, 2019
In this paper, the authors present a stress wave-based active sensing method to detect the crack in FRP-reinforced concrete beams. The embedded smart aggregates (SAs), which utilize Lead Zirconate Titanate (PZT) as transducers, are employed in this ...
Tianyong Jiang   +4 more
doaj   +2 more sources

Chiral inheritance effect in the reactive cystine-based coassembly system [PDF]

open access: yesNature Communications
Controlled chemical reactions in the condensed state are key steps in designing smart materials. Due to the absence of diffusion and sufficient molecular collision, the reaction efficiency in the solid or aggregated state is expectedly much lower than ...
Zhuoer Wang   +3 more
doaj   +2 more sources

Characteristics and mechanism of smart fluid for sweep-controlling during CO2 flooding

open access: yesPetroleum Exploration and Development, 2023
A smart response fluid was designed and developed to overcome the challenges of gas channeling during CO2 flooding in low-permeability, tight oil reservoirs.
Chunming XIONG   +7 more
doaj   +1 more source

Monitoring the Early Strength Development of Cement Mortar with Piezoelectric Transducers Based on Eigenfrequency Analysis Method

open access: yesSensors, 2022
Monitoring the early strength formation process of cement is of great importance for structural construction management and safety. In this study, we investigated the relationship between the eigenfrequency and the early strength development of cement ...
Guocheng Wang   +5 more
doaj   +1 more source

Supramolecular control over self-assembly and double thermoresponsive behavior of an amphiphilic block copolymer [PDF]

open access: yes, 2020
A poly(ethylene glycol)-b-poly[N, N-dimethylacrylamide-ran-2-acrylamidoethyl nonanoate] (PEG-b-P(DMA-AAEN)) block copolymer has been demonstrated to show double thermoresponsive behavior in aqueous solution in the presence of hydroxypropylated ...
Hoogenboom, Richard   +5 more
core   +1 more source

Home - About - Disclaimer - Privacy