Pub Date : 2019-12-27DOI: 10.30838/j.pmhtm.2413.241219.42.599
Kai Ding
The development of scientific and technological progress in mechanical engineering, energy, aerospace and other industries is unthinkable without the creation of new structural materials that can improve the most important parameters of engines, machines and mechanisms, assemblies, devices and increase their mass performance, reliability, service life of products and reduce their material consumption. Products and aggregates from polymer composite materials (PCM) can be obtained in various ways. In industrial production, the most widely used method of winding and pressing. Pressing can be carried out using a mixture of preliminarily fiber and a polymer binder. One of the most promising methods of forming products and assemblies from a variety of plastic is the method of winding with fiber, due to the fact that it creates the required filler structure in the factories depending on their shape and operation characteristics. All areas of effective use of polymer composite materials are reflected. This article discusses the technological capabilities and applications of traditional and new varieties of the method. Even, the results of an analysis of the prospects for the development of manufacturing technologies for products and aggregates from polymer composite materials using the winding method are presented. There are methods of dry and wet winding. Consider these winding methods. Winding is carried out on a mandrel mounted on a machine with numerical control. This method is also called the spiral winding method. Existing approaches to the development of mathematical models are described and created for the manufacture of complex structural elements, including products and an assembly with a curved spatial axis, and so on.
{"title":"Main directions of improving the development of technology for manufacturing products from polymer composite materials by the method of winding","authors":"Kai Ding","doi":"10.30838/j.pmhtm.2413.241219.42.599","DOIUrl":"https://doi.org/10.30838/j.pmhtm.2413.241219.42.599","url":null,"abstract":"The development of scientific and technological progress in mechanical engineering, energy, aerospace and other industries is unthinkable without the creation of new structural materials that can improve the most important parameters of engines, machines and mechanisms, assemblies, devices and increase their mass performance, reliability, service life of products and reduce their material consumption. Products and aggregates from polymer composite materials (PCM) can be obtained in various ways. In industrial production, the most widely used method of winding and pressing. Pressing can be carried out using a mixture of preliminarily fiber and a polymer binder. One of the most promising methods of forming products and assemblies from a variety of plastic is the method of winding with fiber, due to the fact that it creates the required filler structure in the factories depending on their shape and operation characteristics. All areas of effective use of polymer composite materials are reflected. This article discusses the technological capabilities and applications of traditional and new varieties of the method. Even, the results of an analysis of the prospects for the development of manufacturing technologies for products and aggregates from polymer composite materials using the winding method are presented. There are methods of dry and wet winding. Consider these winding methods. Winding is carried out on a mandrel mounted on a machine with numerical control. This method is also called the spiral winding method. Existing approaches to the development of mathematical models are described and created for the manufacture of complex structural elements, including products and an assembly with a curved spatial axis, and so on.","PeriodicalId":140933,"journal":{"name":"Bulletin of Prydniprovs’ka State Academy of Civil Engineering and Architecture","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132012804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-11-10DOI: 10.30838/j.bpsacea.2312.221019.25.518
V. Donenko, T. Lukianova
{"title":"Identification, assessment of disadvantages and potential possibilities of implementing BIM-technologies for modeling the renovation of unfinished building constructions projects","authors":"V. Donenko, T. Lukianova","doi":"10.30838/j.bpsacea.2312.221019.25.518","DOIUrl":"https://doi.org/10.30838/j.bpsacea.2312.221019.25.518","url":null,"abstract":"","PeriodicalId":140933,"journal":{"name":"Bulletin of Prydniprovs’ka State Academy of Civil Engineering and Architecture","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127072412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-11-10DOI: 10.30838/j.bpsacea.2312.221019.50.522
V. Kolokhov, A. Sopilniak, A. S. Smyrnov
{"title":"Measurement of the speed of ultrasound determining the technical condition of stands of columnes of estacades of technological pipelines","authors":"V. Kolokhov, A. Sopilniak, A. S. Smyrnov","doi":"10.30838/j.bpsacea.2312.221019.50.522","DOIUrl":"https://doi.org/10.30838/j.bpsacea.2312.221019.50.522","url":null,"abstract":"","PeriodicalId":140933,"journal":{"name":"Bulletin of Prydniprovs’ka State Academy of Civil Engineering and Architecture","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127652020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-11-10DOI: 10.30838/j.bpsacea.2312.221019.76.525
D. Tkach
{"title":"Philosophical substantiation of the system of theory and practice of reversable images","authors":"D. Tkach","doi":"10.30838/j.bpsacea.2312.221019.76.525","DOIUrl":"https://doi.org/10.30838/j.bpsacea.2312.221019.76.525","url":null,"abstract":"","PeriodicalId":140933,"journal":{"name":"Bulletin of Prydniprovs’ka State Academy of Civil Engineering and Architecture","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128935047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-11-10DOI: 10.30838/j.bpsacea.2312.221019.32.519
T. M. Dubov
{"title":"The effect of electromagnetic treatment of concentrated cement slurry on the physical and mechanical properties","authors":"T. M. Dubov","doi":"10.30838/j.bpsacea.2312.221019.32.519","DOIUrl":"https://doi.org/10.30838/j.bpsacea.2312.221019.32.519","url":null,"abstract":"","PeriodicalId":140933,"journal":{"name":"Bulletin of Prydniprovs’ka State Academy of Civil Engineering and Architecture","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116321805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-11-10DOI: 10.30838/j.bpsacea.2312.221019.84.526
A. Romanenko, Yevhen Kushnir, A. Ostapchuk
. The purpose of this article is to estimate fracture-based method for the determination of rock mass fractal dimension on the example of Inguletsquarry. Statement of the main material . For research plots of maximum pit were selected as excellent for the factor fracture due to use estimation by the different methods the outline of the boardside in the conduct of mining operations. Described the essence of the fractal approach method and its use for solving problems of geomechanics, namely: to evaluate the fracture of the mountain massif via the determination of the fractal dimension of the cracks at the open pit. The most typical failure mechanisms in the massif (referring to the different methods of blasting) and based on the calculation of the fractal dimension of the cracks, which are located in the rocks. Built dependency graphs of the rock massif structural weakening from its fractal dimension for different values of the scale factor. The scientific novelty of the obtained results lies in the specification of the rock massif structural weakening coefficient by determining the fractal dimension of the board. Conclusion : the results of the work are based on the following statement: comparison of the obtained results with the data of calculations of the structural weakening coefficient without taking into account the fractal dimension for the areas of the sides Inhulets quarry is designed in the traditional way shows that the use of the method of calculation structural weakening coefficient, given the fractal dimension allows to specify its value by 5…10 %. Comparisons of the obtained values of the coefficient of structural weakening showed that the use of the traditional method of contour blasting does not lead to a significant increase. The degree of violation of the contour array compared to its natural fracture (increased by 7.1 %).
{"title":"Estimation of mountain range cracks through the method of cracks fractal dimension determination","authors":"A. Romanenko, Yevhen Kushnir, A. Ostapchuk","doi":"10.30838/j.bpsacea.2312.221019.84.526","DOIUrl":"https://doi.org/10.30838/j.bpsacea.2312.221019.84.526","url":null,"abstract":". The purpose of this article is to estimate fracture-based method for the determination of rock mass fractal dimension on the example of Inguletsquarry. Statement of the main material . For research plots of maximum pit were selected as excellent for the factor fracture due to use estimation by the different methods the outline of the boardside in the conduct of mining operations. Described the essence of the fractal approach method and its use for solving problems of geomechanics, namely: to evaluate the fracture of the mountain massif via the determination of the fractal dimension of the cracks at the open pit. The most typical failure mechanisms in the massif (referring to the different methods of blasting) and based on the calculation of the fractal dimension of the cracks, which are located in the rocks. Built dependency graphs of the rock massif structural weakening from its fractal dimension for different values of the scale factor. The scientific novelty of the obtained results lies in the specification of the rock massif structural weakening coefficient by determining the fractal dimension of the board. Conclusion : the results of the work are based on the following statement: comparison of the obtained results with the data of calculations of the structural weakening coefficient without taking into account the fractal dimension for the areas of the sides Inhulets quarry is designed in the traditional way shows that the use of the method of calculation structural weakening coefficient, given the fractal dimension allows to specify its value by 5…10 %. Comparisons of the obtained values of the coefficient of structural weakening showed that the use of the traditional method of contour blasting does not lead to a significant increase. The degree of violation of the contour array compared to its natural fracture (increased by 7.1 %).","PeriodicalId":140933,"journal":{"name":"Bulletin of Prydniprovs’ka State Academy of Civil Engineering and Architecture","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117084669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-11-10DOI: 10.30838/j.bpsacea.2312.221019.68.524
O. Nesterova, V. V. Sharkov, O. Zhuravliоva, Ya. S. Nesterov
{"title":"Problems of small river basins","authors":"O. Nesterova, V. V. Sharkov, O. Zhuravliоva, Ya. S. Nesterov","doi":"10.30838/j.bpsacea.2312.221019.68.524","DOIUrl":"https://doi.org/10.30838/j.bpsacea.2312.221019.68.524","url":null,"abstract":"","PeriodicalId":140933,"journal":{"name":"Bulletin of Prydniprovs’ka State Academy of Civil Engineering and Architecture","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116447059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-11-10DOI: 10.30838/j.bpsacea.2312.221019.58.523
A. M. Motornyi, M. A. Motornyi
{"title":"Calculated diagrams of a deformed soil mass at transfer of external and internal power influences to array","authors":"A. M. Motornyi, M. A. Motornyi","doi":"10.30838/j.bpsacea.2312.221019.58.523","DOIUrl":"https://doi.org/10.30838/j.bpsacea.2312.221019.58.523","url":null,"abstract":"","PeriodicalId":140933,"journal":{"name":"Bulletin of Prydniprovs’ka State Academy of Civil Engineering and Architecture","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125937564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-11-10DOI: 10.30838/j.bpsacea.2312.221019.19.517
L. М. Bondarenko, H. K. Diomin, A. Buratynskyi, V. S. Dorofieieva
{"title":"Rolling resistance of mechanism with point and linear contact scheme","authors":"L. М. Bondarenko, H. K. Diomin, A. Buratynskyi, V. S. Dorofieieva","doi":"10.30838/j.bpsacea.2312.221019.19.517","DOIUrl":"https://doi.org/10.30838/j.bpsacea.2312.221019.19.517","url":null,"abstract":"","PeriodicalId":140933,"journal":{"name":"Bulletin of Prydniprovs’ka State Academy of Civil Engineering and Architecture","volume":"212 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133166852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-11-10DOI: 10.30838/j.bpsacea.2312.221019.92.527
I. V. Ryzhkov
{"title":"Methods of secondary information transformation for the evaluating of object’s spatial orientation","authors":"I. V. Ryzhkov","doi":"10.30838/j.bpsacea.2312.221019.92.527","DOIUrl":"https://doi.org/10.30838/j.bpsacea.2312.221019.92.527","url":null,"abstract":"","PeriodicalId":140933,"journal":{"name":"Bulletin of Prydniprovs’ka State Academy of Civil Engineering and Architecture","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126898316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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