Design and fabrication of a new fiber-cement-piezoelectric composite sensor for measurement of inner stress in concrete structures

Lezgy-Nazargah, M.; Aminabadi, Saeid Saeidi; Yousefzadeh, Morteza

doi:10.1016/j.acme.2018.12.007

Cited by 25 publications

(6 citation statements)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The cost benefits of piezoelectric sensors are reinforced by the small dimensions and ubiquity of materials with piezoelectric properties. For example, Lezgy-Nazargah et al [ 99 ] developed a reliable 5 cm × 5 cm × 5 cm piezoelectric sensor from silica, resin, Portland cement, and polymeric fibers. A key advantage of the fabrication process is flexibility—the constituent materials can be modified to suit local requirements and needs.…”

Section: Sensors For Health Monitoring Of Agricultural Structuresmentioning

confidence: 99%

“…For example, Chen et al confirmed that the technique was appropriate in early-age strength monitoring [ 86 ]. At the same time, the reliability of the piezoelectric sensors in a broad range of real-life applications was validated by Park et al [ 27 ] and Lezgy-Nazargah et al [ 99 ]. From the researcher’s point of view, the technical constraints of piezo-materials could be resolved with the advances in technology, leading to the widespread use of piezo-materials in agricultural settings.…”

Section: Sensors For Health Monitoring Of Agricultural Structuresmentioning

confidence: 99%

See 1 more Smart Citation

Sensors for Structural Health Monitoring of Agricultural Structures

Maraveas

Bartzanas

2021

Sensors

View full text Add to dashboard Cite

The health diagnosis of agricultural structures is critical to detecting damages such as cracks in concrete, corrosion, spalling, and delamination. Agricultural structures are susceptible to environmental degradation due to frequent exposure to water, organic effluent, farm chemicals, structural loading, and unloading. Various sensors have been employed for accurate and real-time monitoring of agricultural building structures, including electrochemical, ultrasonic, fiber-optic, piezoelectric, wireless, fiber Bragg grating sensors, and self-sensing concrete. The cost–benefits of each type of sensor and utility in a farm environment are explored in the review. Current literature suggests that the functionality of sensors has improved with progress in technology. Notable improvements made with the progress in technology include better accuracy of the measurements, reduction of signal-to-noise ratio, and transmission speed, and the deployment of machine learning, deep learning, and artificial intelligence in smart IoT-based agriculture. Key challenges include inconsistent installation of sensors in farm structures, technical constraints, and lack of support infrastructure, awareness, and preference for traditional inspection methods.

show abstract

Section: Sensors For Health Monitoring Of Agricultural Structuresmentioning

confidence: 99%

Section: Sensors For Health Monitoring Of Agricultural Structuresmentioning

confidence: 99%

Sensors for Structural Health Monitoring of Agricultural Structures

Maraveas

Bartzanas

2021

Sensors

View full text Add to dashboard Cite

show abstract

“…Rather recent developments in measurement technology (e.g., [13][14][15][16][17][18] ), such as the advent of fiber optic sensor (FOS) or digital image correlation (DIC), have opened up new avenues for research and practice. Said new devices constitute a significant addition to long-established measuring techniques.…”

Section: Introductionmentioning

confidence: 99%

A comparative evaluation of strain measurement techniques in reinforced concrete structures–A discussion of assembly, application, and accuracy

Clauß

Ahrens

Mark

2021

Structural Concrete

View full text Add to dashboard Cite

The measurement of strain in structural elements is a necessary means of investigating the condition of a structure, both in research and in practice. The measurement methods for recording strain considered in this work represent both well-established techniques (strain gauges), as well as techniques that are part of rather current research streams (fiber optic sensors, digital image correlation). This work's contribution lies in providing an overarching comparison of these approaches, thereby informing practitioners and researchers as to parameters concerning their assembly, application, and their accuracy. To such ends, two test series were carried out, one on RC tension rods and another on a RC beam in a four-point bending test. From the latter scenario, for example, certain generalizations were to be deduced for varying load levels: low strains are measured well using the fiber optic technique. Conversely, digital image correlation was discovered to be an adequate choice when assessing higher strain levels and concomitant concrete cracking, as this non-contact technique avoids imprecisions caused by adhesives. Findings are to assist the future user by contrasting the three techniques in terms of assembly, handling, application and resilience of sensors, external influences as well as measurement resolution and accuracy. Such practice-oriented remarks should simplify a selection of the suitable measurement techniques catering to the respective, context-dependent testing scenario.

show abstract

“…The results show that the polarization time is significantly shortened (Jaitanong et al, 2014). Lezgy-Nazargah et al (2019) invented a high-sensitivity cement-based piezoelectric sensor that ensures high-quality signal transmission during operation. As the cement-based piezoelectric sensor is continuously optimized both theoretically and practically, it has been utilized in many different fields for health monitoring (Lu et al, 2011a; Tressler et al, 1998), resulting in low maintenance costs and energy consumption.…”

Section: Introductionmentioning

confidence: 99%

Electromechanical impact analysis of 2–2 cement-based piezoelectric sensor considering resistor

Zhang

Liu

2020

Journal of Intelligent Material Systems and Structures

View full text Add to dashboard Cite

The model of the 2–2 type cement-based piezoelectric sensor, which is connected with a resistor while under the impact mechanical load, is established in this article. The dynamic theoretical expressions are acquired by utilizing the separation variable method and the matrix coefficient method and then used to analyze and discuss the electrical properties and the influence of the resistance value, which is verified correctly by numerical analysis. Also, the effect of resistor value and different material parameters on dynamic properties of such sensor is further investigated. And a reverse voltage is proposed to balance the displacement of the free-end and the stress of the fixed-end to enhance the safety. At last, the acoustic impedance ratio associated with the compatibility of the composite is discussed. The conclusions discussed in this work could provide some theoretical references for optimizing the design of the 2–2 cement-based piezoelectric sensor connected to electrical components in practical application.

show abstract

Design and fabrication of a new fiber-cement-piezoelectric composite sensor for measurement of inner stress in concrete structures

Cited by 25 publications

References 35 publications

Sensors for Structural Health Monitoring of Agricultural Structures

Sensors for Structural Health Monitoring of Agricultural Structures

A comparative evaluation of strain measurement techniques in reinforced concrete structures–A discussion of assembly, application, and accuracy

Electromechanical impact analysis of 2–2 cement-based piezoelectric sensor considering resistor

Contact Info

Product

Resources

About