Estimation of the durability of polymer composites on a fabric basis, taking into account the influence of non-force factors

Kayumov, R. A.; Сулейманов, А М; Muhamedova, I Z

doi:10.1088/1757-899x/934/1/012041

Cited by 3 publications

(2 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Failure to comply with the installation technology, namely the sealing and insulation of joints when installing pipes with polyurethane foam PE insulation, leads to a violation of insulation in the most vulnerable places of any pipelines -the joints of the pipe and the shaped element. The result of this will be the occurrence of premature external corrosion of the pipe [24], a decrease in durability [25], followed by the failure of the pipeline or carrying out constant expensive repair work [26,27].…”

Section: Introductionmentioning

confidence: 99%

Improving the quality of installation of preinsulated pipelines of heat supply systems

Mukhametrakhimov

Галаутдинов

Panchenko³

et al. 2021

E3S Web Conf.

View full text Add to dashboard Cite

One of the most important directions of Russia's economic and energy strategy is to increase the efficiency in the field of heat supply. One of the options for solving this issue is using preinsulated pipelines, such as steel pipes in polyurethane foam polyethylene insulation. The experience of their application indicates several disadvantages associated with defects in pipes in polyurethane foam insulation and installed pipelines. The studies carried out made it possible to identify the main defects and inconsistencies in the manufacture and installation of preinsulated pipelines and the reasons for their occurrence. Following this, the authors have developed a set of operations and control tools during the installation of pipes in polyurethane foam PE insulation, clarifying the requirements of the input, operational and acceptance types of control, which contribute to improving the quality of the finished product, which was the purpose of this work.

show abstract

Section: Introductionmentioning

confidence: 99%

Improving the quality of installation of preinsulated pipelines of heat supply systems

Mukhametrakhimov

Галаутдинов

Panchenko³

et al. 2021

E3S Web Conf.

View full text Add to dashboard Cite

show abstract

“…The second way is to replace the random loading process with a schematized process, which, in terms of the level of introduced fatigue damage, should be equivalent to the real one. In this case, it is possible to reduce the test time due to the use of an appropriate equivalent mode [9][10].…”

Section: Introductionmentioning

confidence: 99%

Calculation of the durability of sealing and awning materials

2021

View full text Add to dashboard Cite

The article discusses the hypotheses for determining the equivalent laboratory modes for assessing the durability of sealing and awning materials, and evaluates the accuracy of the proposed method. Qualitative research of operational factors influence (UV, temperature) on sealing and awning materials durability was conducted. Purpose of the study: a method for predicting the durability of sealing and awning materials. Methods: Methods for fast assessment of durability and methods of equivalent factors. Results: Based on the obtained regularities of the behavior of sealing and awning materials under conditions of repeated loading and ultraviolet radiation, as well as the accepted hypotheses about the summation of damage and irreversibility of the destruction process, a laboratory test mode was determined that was equivalent in terms of the level of introduced destruction to the operating mode, including the action of multiple loads and ultraviolet radiation. Based on the equivalent accelerated test mode and the characteristics of the operating mode of loading and irradiation, a method for assessing the durability of sealing and awning materials is proposed.

show abstract

On the Problem of Composite Beam Degradation under Longitudinal Bending and the Solution Method for Large Displacements

Kayumov,

Mukhamedova,

Khaidarov

et al. 2024

jour

View full text Add to dashboard Cite

Constitutive relations and a method for analyzing the behavior of fiberglass during longitudinal bending under the combined influence of force factors and an alkaline medium were proposed. Both natural and numerical experimental designs were outlined. A new approach to solving the problem of longitudinal bending of a fiberglass beam with initial failure was introduced, without involving geometrically nonlinear relations. This approach proved to be applicable when the resulting beam configuration is a flat curve. The results of numerical calculations were presented. In the first case, the beam with initial failure was studied using the new approach along with the finite element method (FEM). In the second case, for verification, the problem was solved in a geometrically nonlinear formulation. The results obtained showed a strong agreement.

show abstract

Estimation of the durability of polymer composites on a fabric basis, taking into account the influence of non-force factors

Cited by 3 publications

References 7 publications

Improving the quality of installation of preinsulated pipelines of heat supply systems

Improving the quality of installation of preinsulated pipelines of heat supply systems

Calculation of the durability of sealing and awning materials

On the Problem of Composite Beam Degradation under Longitudinal Bending and the Solution Method for Large Displacements

Contact Info

Product

Resources

About