Developing a Measuring System for Monitoring the Thickness of the 6 m Wide HDPE/LDPE Polymer Geomembrane with Its Continuous Flow Using Automation Equipment

Nikonova, Tatyana; Zharkevich, Olga; Dandybaev, Essim; Baimuldin, Murat; Daich, Leonid; Sichkarenko, Andrey; Kotov, Evgeniy

doi:10.3390/app112110045

Cited by 7 publications

(4 citation statements)

References 11 publications

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“…At the same time, the software of the distributed FOS system imposes restrictions on the measurement of only 10-15% of deformations. The authors' works on using original design solutions in developing hardware and software complex mechanisms were considered [41].…”

Section: Introductionmentioning

confidence: 99%

Developing an Intelligent Fiber-Optic System for Monitoring Reinforced Concrete Foundation Structure Damage

Mekhtiyev,

Neshina,

Alkina

et al. 2023

Applied Sciences

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This paper presents the results of complex scientific research aimed at developing a prototype fiber-optic system for controlling the technical condition of buildings, structures, and extended objects. The aim is to develop a quasi-distributed type of fiber-optic control system without electrical signals, with the minimum possible cost of one measurement point. The fiber-optic sensors are based on a new method of controlling the parameters of the light spot by means of a hardware-software complex. The proposed monitoring system is quasi-distributed, is able to determine the damaged and most stressed and deformed areas of load-bearing reinforced concrete structures of buildings at the stage of their occurrence, and will allow for the taking of preventive measures for their protection. The research was carried out on a laboratory bench working together with the hardware-software complex; pixel analysis of changes in the area of the spot and its intensity was used as a fiber-optic sensor. A single-mode optical fiber of the G.652.D 9/125 μm standard was used, with a wavelength of 650 nm. The monitoring system can perform the function of pressure measurement on the building structure, establish the damage zone, and signal in case of an abrupt change in parameters in case of structure destruction. Laboratory tests have shown that the number of channels can be increased to 16 or 32. With the help of this system, it is possible to monitor the technical condition of the underground and above-ground parts of buildings or structures and control their integrity in real-time.

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Section: Introductionmentioning

confidence: 99%

Developing an Intelligent Fiber-Optic System for Monitoring Reinforced Concrete Foundation Structure Damage

Mekhtiyev,

Neshina,

Alkina

et al. 2023

Applied Sciences

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“…Polymers has been widely used in aerospace, automation, civil engineering, marine engineering and other fields [ 1 , 2 , 3 , 4 , 5 ]. According to the composition and type, it mainly includes the thermosetting resin (such as epoxy) with the three-dimensional network crosslinking structure and thermoplastic resin with the linear molecular structure.…”

Section: Introductionmentioning

confidence: 99%

Effect of the Addition of Thermoplastic Resin and Composite on Mechanical and Thermal Properties of Epoxy Resin

Hailatihan

et al. 2022

Polymers

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When the thermoplastic composites reach the service limits during the service, the recovery and utilization are the key concerns. Meanwhile, the improvement of strength, toughness and durability of epoxy resin is the effective method to prolong the service life of materials and structures. In the present paper, three kinds of thermoplastic resins (polypropylene-PP, polyamide 6-PA6 and polyether-ether-ketone-PEEK) and composites (carbon fiber-PEEK, glass fiber-PA6 and glass fiber-PP) were adopted as the fillers to reinforce and toughen the epoxy resin (Ts). The mechanical, thermal and microscopic analysis were conducted to reveal the performance improvement mechanism of Ts. It can be found that adding thermoplastic resin and composite fillers at the low mass ratio of 0.5~1.0% brought about the maximum improvement of tensile strength (7~15%), flexural strength (7~15%) and shear strength (20~30%) of Ts resin. The improvement mechanism was because the addition of thermoplastic fillers can prolong the cracking path and delay the failure process through the load bearing of fiber, energy absorption of thermoplastic resin and superior interface bonding. In addition, the thermoplastic composite had better enhancement effect on the mechanical/thermal properties of Ts resin compared to thermoplastic resin. When the mass ratio was increased to 2.0~3.0%, the agglomeration and stress concentration of thermoplastic filler in Ts resin appeared, leading to the decrease of mechanical and thermal properties. The optimal addition ratios of thermoplastic resin were 0.5~1.0% (PEEK), 1.0~2.0% (PA6) and 0.5~1.0% (PP) to obtain the desirable property improvement. In contrast, the optimal mass ratios of three kinds of composite were determined to be 0.5~1.0%. Application prospect analysis indicated adding the thermoplastic resin and composite fillers to Ts resin can promote the recycling and reutilization of thermoplastic composites and improve the performance of Ts resin, which can be used as the resin matrix, interface adhesive and anti-corrosion coating.

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“…From the analysis, it was found that most of the defects in the polypropylene film of the agricultural sleeves for grain arise during their drawing, that is, during the extrusion process [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

“…A distinctive feature of these defects is that they cannot be eliminated during the production process (irreparable defects) [18], that is, they have to stop the entire extrusion line and change it [19].…”

Section: Introductionmentioning

confidence: 99%

Control of Physical Processes in an Extrusion Line Polymer Sleeves Production

et al. 2022

Self Cite

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This article describes the operation principle of an extrusion line for producing a polypropylene film for sleeves. The advantages and disadvantages of the technological and structural nature for an extrusion line are presented, as well as the stages of polymer sleeves with the calculation of technological parameters and a description of the main purpose of each stage. The film quality is described, such as the turbidity, coefficient of friction, glossiness, and breaking strength. The dependence of the milkiness on the average cooling temperature of the extruder head is defined. The glossiness dependence is calculated on the cooling temperature of the extruder head. The dependence of the friction coefficient on the cooling temperature of the extruder head was established. The influence of the crystallization line height on the glossiness of the film is defined. The influence of the crystallization line height on the milkiness is shown. The dependence of fluctuations in the average thickness (thickness difference) of the film on the thickness of the forming slot is found. The dependence of fluctuations in the average thickness (thickness difference) of the film and degree of inflation of the sleeve is discovered. The relationship between the quality parameter of the film and technological parameters of its production process has been determined. An automated system for temperature control has been developed in the production of polyethylene film by installing a temperature sensor with feedback.

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Developing a Measuring System for Monitoring the Thickness of the 6 m Wide HDPE/LDPE Polymer Geomembrane with Its Continuous Flow Using Automation Equipment

Cited by 7 publications

References 11 publications

Developing an Intelligent Fiber-Optic System for Monitoring Reinforced Concrete Foundation Structure Damage

Developing an Intelligent Fiber-Optic System for Monitoring Reinforced Concrete Foundation Structure Damage

Effect of the Addition of Thermoplastic Resin and Composite on Mechanical and Thermal Properties of Epoxy Resin

Control of Physical Processes in an Extrusion Line Polymer Sleeves Production

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