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Application of discarded tire steel for improving the sustainability of concrete structures 废弃轮胎钢在提高混凝土结构可持续性中的应用
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-271
A. Zia, P. Zhang, I. Holly, J. Prokop, A. Ondák
{"title":"Application of discarded tire steel for improving the sustainability of concrete structures","authors":"A. Zia, P. Zhang, I. Holly, J. Prokop, A. Ondák","doi":"10.21495/em2023-271","DOIUrl":"https://doi.org/10.21495/em2023-271","url":null,"abstract":": The use of fibers is crucial for the sustainability enhancement of concrete structures. However, the commonly used commercial fibers are costly, and their production involves the generation of CO 2 . On the other hand, the accumulation of discarded tire steel fibers (DSFs) is a big hurdle in the sustainability enhancement of modern society. Therefore, it is vital to study the effectiveness of steel fibers recovered from discarded tires (DSF) for potential applications in the construction industry. Therefore, this study aims to examine the effectiveness of DSFs in achieving sustainable concrete structures. As a preliminary study, the linear shrinkage (LS) and indirect tensile strength (TS) of the DSF-reinforced concrete (DFRC) are examined. 0.30% and 0.75% of the DSFs are incorporated into concrete by volume fraction. Plain concrete (PC) is used as a reference. All tests are carried out following the ASTM standard. An improvement of 16% is noted in the TS of DFRCs compared to PC. The LS of DFRC decreased by 34% compared to the LS of PC. Therefore, it can be concluded that the DSFs can improve the sustainability of concrete structures. Therefore, it is recommended to study the long-term durability of DSF-reinforced concrete structures for practical implementation.","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44121701","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}
引用次数: 0
Effect of recycled steel fibers on the fracture and mechanical properties of concrete 再生钢纤维对混凝土断裂及力学性能的影响
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-211
J. Prokop, A. Zia, I. Holly, A. Ondák
{"title":"Effect of recycled steel fibers on the fracture and mechanical properties of concrete","authors":"J. Prokop, A. Zia, I. Holly, A. Ondák","doi":"10.21495/em2023-211","DOIUrl":"https://doi.org/10.21495/em2023-211","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49198255","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}
引用次数: 0
Advanced continuum model for thermoelectric analyses 热电分析的先进连续体模型
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-227
J. Sládek, V. Sládek
{"title":"Advanced continuum model for thermoelectric analyses","authors":"J. Sládek, V. Sládek","doi":"10.21495/em2023-227","DOIUrl":"https://doi.org/10.21495/em2023-227","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42218291","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}
引用次数: 0
Design of fatigue damage inspections for hss structures hss结构疲劳损伤检测设计
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-139
M. Krejsa, J. Brožovský, P. Lehner, P. Pařenica, S. Seitl
{"title":"Design of fatigue damage inspections for hss structures","authors":"M. Krejsa, J. Brožovský, P. Lehner, P. Pařenica, S. Seitl","doi":"10.21495/em2023-139","DOIUrl":"https://doi.org/10.21495/em2023-139","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49317240","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}
引用次数: 0
Metallization of 3D printed polymer parts as the method of improving its properties – A mini-review 金属化的3D打印聚合物部件作为改善其性能的方法-一个小回顾
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-75
M. Glowacki, A. Mazurkiewicz, O. Polishchuk, T. Kałaczyński
{"title":"Metallization of 3D printed polymer parts as the method of improving its properties – A mini-review","authors":"M. Glowacki, A. Mazurkiewicz, O. Polishchuk, T. Kałaczyński","doi":"10.21495/em2023-75","DOIUrl":"https://doi.org/10.21495/em2023-75","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42423486","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}
引用次数: 0
Rehabilitation with nordic poles or crutches? 用北欧手杖或拐杖康复?
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-223
Z. Sant, M. Pieters
{"title":"Rehabilitation with nordic poles or crutches?","authors":"Z. Sant, M. Pieters","doi":"10.21495/em2023-223","DOIUrl":"https://doi.org/10.21495/em2023-223","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42686371","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}
引用次数: 0
Probabilistic analysis of the building foundation plates considering the SSI effects 考虑SSI效应的建筑地基板的概率分析
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-131
J. Králik, J. Kralik Jr.
{"title":"Probabilistic analysis of the building foundation plates considering the SSI effects","authors":"J. Králik, J. Kralik Jr.","doi":"10.21495/em2023-131","DOIUrl":"https://doi.org/10.21495/em2023-131","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46780798","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}
引用次数: 0
The use of recycled aggregates in concrete structures 在混凝土结构中使用再生骨料
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-179
A. Ondák, I. Holly, I. Abrahoim, J. Prokop, A. Zia
{"title":"The use of recycled aggregates in concrete structures","authors":"A. Ondák, I. Holly, I. Abrahoim, J. Prokop, A. Zia","doi":"10.21495/em2023-179","DOIUrl":"https://doi.org/10.21495/em2023-179","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47592659","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}
引用次数: 0
A new blade cascade for flutter studies 一种用于颤振研究的新型叶栅
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-247
P. Šnábl, L. Pešek, P. Procházka, V. Skála
{"title":"A new blade cascade for flutter studies","authors":"P. Šnábl, L. Pešek, P. Procházka, V. Skála","doi":"10.21495/em2023-247","DOIUrl":"https://doi.org/10.21495/em2023-247","url":null,"abstract":": In this paper, a new blade cascade, developed in the Institute of Thermomechanics, is presented. The geometry of the cascade was modified so now the stall flutter can occur. It has some major construction improvements over the original cascade which now allow more precise and reliable measurements. The stability of the new blade cascade with five NACA 0010 profiles with rotational degree of freedom is assessed by Travelling Wave Mode approach and Aerodynamic Influence Coefficient approach.","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49662084","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}
引用次数: 0
Quantitative model for silicon-acrylate mixtures 硅丙烯酸酯混合物的定量模型
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-235
K. Sladká
{"title":"Quantitative model for silicon-acrylate mixtures","authors":"K. Sladká","doi":"10.21495/em2023-235","DOIUrl":"https://doi.org/10.21495/em2023-235","url":null,"abstract":": Protection of surface layers of building materials are very important in construction industry. Plasters, which are used as a cover layer of load bearing structure, must resist to the adverse natural conditions, corrosion or mechanical damage. As the surface treatment there are used coatings which must require material and physical characteristics and help to resist to the material degradation. This article is focused on silicon-acrylate coatings. Silicons (polysiloxanes) are very resistant and expensive. Acrylates are cheaper and less resistant than polsiloxanes. The coating samples were measured in the ATR module in the infrared spectrometer. The advantage of this method is that the sample doesn´t need to be modified and the measurement is quite cheap. As a result, the mathematical model for quantitative analysis was created – the quadratic dependence of carbonyl peak area on the concentration of acrylate. Indirectly, the polysiloxane concentration can be calculated. In the reality the calculation of polysiloxane concentration can be the problem because of additives. The conditions of the measurement were specified and the statistical deviation was determined to be 4.6 %.","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47813099","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}
引用次数: 0
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