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Improved precast reinforced concrete crossbar of reduced height. Results of full-scale loading tests 降低高度的改进预制钢筋混凝土横梁。全尺寸加载测试结果
Вестник СГАСУ. Градостроительство и архитектура Pub Date : 2023-10-31 DOI: 10.17673/vestnik.2023.03.05
Alexandr P. Shepelev., Rustam R. Ibatullin, Alexandr A. Pischulev
{"title":"Improved precast reinforced concrete crossbar of reduced height. Results of full-scale loading tests","authors":"Alexandr P. Shepelev., Rustam R. Ibatullin, Alexandr A. Pischulev","doi":"10.17673/vestnik.2023.03.05","DOIUrl":"https://doi.org/10.17673/vestnik.2023.03.05","url":null,"abstract":"The object of the study is an improved design of a reinforced concrete floor crossbar as part of a prefabricated frame of a residential building. The crossbar has a reduced height with undercuts in the support zones, which in combination with modified prefabricated multi-hollow plates allows you to perform the lower surface of the overlap without protruding ribs. This solution allows you to use precast reinforced concrete with all its advantages and compete with monolithic reinforced concrete girderless frames. To ensure the strength of inclined sections to the action of transverse force and bending moment, cage using rigid inserts made of sheet steel are used as transverse reinforcement. The results of the tests showed that the developed crossbar meets the stated requirements for both the first and the second group of limit states (strength, stiffness, crack resistance). Transverse reinforcement in the form of cages with rigid inserts made of sheet steel provides the required bearing capacity of inclined sections. The test confirmed the reliable joint work of concrete and rigid inserts from the beginning of loading to the ultimate state of strength.","PeriodicalId":477286,"journal":{"name":"Вестник СГАСУ. Градостроительство и архитектура","volume":"2013 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135813988","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
Features of the application of the sectoral model of functional zoning on the example of the squares of Samara 以萨马拉广场为例，功能区分区模式的应用特点
Вестник СГАСУ. Градостроительство и архитектура Pub Date : 2023-10-31 DOI: 10.17673/vestnik.2023.03.13
Denis V. Denisov, Mikhail Yu. Zhuravlev, Natalia Y. Medvedeva, Tatiana D. Zhuravleva
{"title":"Features of the application of the sectoral model of functional zoning on the example of the squares of Samara","authors":"Denis V. Denisov, Mikhail Yu. Zhuravlev, Natalia Y. Medvedeva, Tatiana D. Zhuravleva","doi":"10.17673/vestnik.2023.03.13","DOIUrl":"https://doi.org/10.17673/vestnik.2023.03.13","url":null,"abstract":"The authors study the universal principles in the space development of a largest city. The functional-topological approach allows the authors to apply to this analysis the basic models of the spatial organization of the Indian Vastu Vidya and Chinese Feng Shui, which take into account the mythological cycles of creation. Previously, this approach already received an ontological, cultural-historical, methodological and factual substantiation. The purpose of the study is to analyze the implementation of the urban planning functions and their symbolic meaning in the eight sectors of the square territories. The comparative analysis is carried out on the example of three central and six historical squares of the largest city. All squares differ significantly in the duration of the formation, placement conditions, tasks to be solved, etc. The establishment of a consistent relationship between the ancient practices of space exploration and the modern practice of functional zoning is considered in the aspect of general scientific significance.","PeriodicalId":477286,"journal":{"name":"Вестник СГАСУ. Градостроительство и архитектура","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135869637","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
Issues of architectural and urban organization of university campuses of the Ural federal district 乌拉尔联邦区大学校园的建筑和城市组织问题
Вестник СГАСУ. Градостроительство и архитектура Pub Date : 2023-10-31 DOI: 10.17673/vestnik.2023.03.18
Alexey V. Popov, Evgeniy Yu. Tutyshkin
{"title":"Issues of architectural and urban organization of university campuses of the Ural federal district","authors":"Alexey V. Popov, Evgeniy Yu. Tutyshkin","doi":"10.17673/vestnik.2023.03.18","DOIUrl":"https://doi.org/10.17673/vestnik.2023.03.18","url":null,"abstract":"Campus of a higher educational institution is a multifunctional complex of buildings designed to accommodate university departments connected by a system of special public spaces that form a unified environment for higher education, scientific research, as well as a wide range of related functions in the \"worklife-rest\" system of all levels for participants in these processes. The purpose of the research work is to develop the existing campuses of higher educational institutions. The object of the study is university campuses. The subject of the study is the features of the architectural and urban planning organization of university campuses. According to the type of architectural and urban planning placement of university campuses in the settlement structure, three types are defined: compact (local), multipart (dissected) and dispersed (dispersed). Typology features are formulated on examples of universities of the Ural Federal District. It is determined that in the conditions of the region under consideration, the most rational organization of campuses is a compact (local) and multipart (dissected) type. It is revealed that the existing architectural environment does not fully meet the requirements for modern universities. In this regard, proposals for the development of existing university campuses are presented, taking into account aspects of the transformation of spaces, interaction with the settlement and integration of the functions of science, education and production.","PeriodicalId":477286,"journal":{"name":"Вестник СГАСУ. Градостроительство и архитектура","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135871551","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
Outstanding soviet architect Ivan Nikolaevich Dubov: unknown pages of life and work (1904–1975) 杰出的苏联建筑师Ivan Nikolaevich Dubov:生活和工作的未知页面(1904-1975)
Вестник СГАСУ. Градостроительство и архитектура Pub Date : 2023-10-31 DOI: 10.17673/vestnik.2023.03.16
Natalya S. Saprykina
{"title":"Outstanding soviet architect Ivan Nikolaevich Dubov: unknown pages of life and work (1904–1975)","authors":"Natalya S. Saprykina","doi":"10.17673/vestnik.2023.03.16","DOIUrl":"https://doi.org/10.17673/vestnik.2023.03.16","url":null,"abstract":"The article is devoted to the outstanding architect of the Soviet era in Ivanovo and Yaroslavl, many of whose buildings in these cities are now monuments of architecture, but there is still no information about the life and list of works of I.N. Dubov. For the first time in a comprehensive chronological sequence of examines and evaluates the life and work of the architect, reveals the specificity of his work, analyzes the creative handwriting, reveals the origins of professional success. The work cites all the known and identified to date works of the architect-artist, introducing new scientific information on Soviet architecture.","PeriodicalId":477286,"journal":{"name":"Вестник СГАСУ. Градостроительство и архитектура","volume":"128 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135872151","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
Concept and material in the architecture of Jacques Herzog and Pierre de Meuron Jacques Herzog和Pierre de Meuron的建筑概念和材料
Вестник СГАСУ. Градостроительство и архитектура Pub Date : 2023-10-31 DOI: 10.17673/vestnik.2023.03.17
Elina V. Danilova
{"title":"Concept and material in the architecture of Jacques Herzog and Pierre de Meuron","authors":"Elina V. Danilova","doi":"10.17673/vestnik.2023.03.17","DOIUrl":"https://doi.org/10.17673/vestnik.2023.03.17","url":null,"abstract":"The article is devoted to the early period of architectural oeuvre of Swiss architects. It was at this time that Jacques Herzog and Pierre de Meuron developed their own approach to design, which becomes the object of study in this work. The article describes the origins of the conceptual thinking of architects, establishes the role of the urban, educational and cultural environment in the formation of architectural ideas and professional tools. Particular attention is paid to the specifics of the concepts in the architectural projects of Herzog and de Meuron, individual methods and techniques that architects used in the design of small objects, the reduction of plastic language, the invention of the envelope and material texture. Eleven examples are considered, which are today recognized monuments of contemporary architecture, in which the unique contribution of architects to the development of discipline and profession was most clearly manifested.","PeriodicalId":477286,"journal":{"name":"Вестник СГАСУ. Градостроительство и архитектура","volume":"2013 19","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135813982","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
On the assessment of the strength of bent reinforced concrete elements subjected to cyclic loading 循环荷载作用下钢筋混凝土弯曲构件的强度评定
Вестник СГАСУ. Градостроительство и архитектура Pub Date : 2023-10-31 DOI: 10.17673/vestnik.2023.03.03
Boris Iz. Pinus, Inna G. Korneeva
{"title":"On the assessment of the strength of bent reinforced concrete elements subjected to cyclic loading","authors":"Boris Iz. Pinus, Inna G. Korneeva","doi":"10.17673/vestnik.2023.03.03","DOIUrl":"https://doi.org/10.17673/vestnik.2023.03.03","url":null,"abstract":"The results of a probabilistic and statistical analysis of the fatigue resistance of conventional and fibropropylene containing reinforced concrete bending elements using standard calculation methods based on limiting forces, nonlinear deformation models and experimental data of the internal resistance of composites after 50 loading cycles with an amplitude of n = 0.8 and zero asymmetry are presented. The increased strength and fatigue durability of elements with fiber-reinforced concrete, when reinforcing structures less than the boundary level, has been established. It is assumed that the introduction of polypropylene fine fibers contributes to the internal redistribution of forces in cyclic and subsequent monotonous loading.","PeriodicalId":477286,"journal":{"name":"Вестник СГАСУ. Градостроительство и архитектура","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135869516","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
Analysis of the operating conditions of contactless seals during reciprocating motion of plunger pairs of drives of construction machines 工程机械传动柱塞副往复运动时非接触密封的工作条件分析
Вестник СГАСУ. Градостроительство и архитектура Pub Date : 2023-10-31 DOI: 10.17673/vestnik.2023.03.09
Evgeny A. Krestin, Grigoriy V. Serebryakov
{"title":"Analysis of the operating conditions of contactless seals during reciprocating motion of plunger pairs of drives of construction machines","authors":"Evgeny A. Krestin, Grigoriy V. Serebryakov","doi":"10.17673/vestnik.2023.03.09","DOIUrl":"https://doi.org/10.17673/vestnik.2023.03.09","url":null,"abstract":"Hydraulic drive of construction machines and mechanisms used in technological construction processes is increasingly being used in the construction industry. This is due to the small weight and small overall dimensions per unit of drive power, insignificant inertia of moving parts, good dynamic characteristics, ease of reversing, smooth running, durability of mechanisms due to self-lubricity, simplicity and reliability of operation. The reliability of the hydraulic drive of construction machines is largely determined by the effectiveness of the lubrication system of contactless seals of movable joints. The stability of characteristics, efficiency and safety of operation of mechanisms and hydraulic drive, in particular, depends on the quality of lubrication of sliding surfaces. In order to improve the quality and durability of the hydraulic drive for a certain range of plunger diameters and pressure drops in hydraulic units, the most rational means of combating dry friction forces is a slit non-contact seal.","PeriodicalId":477286,"journal":{"name":"Вестник СГАСУ. Градостроительство и архитектура","volume":"9 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135870442","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
Justification of criterias selection for supporting decision-making in urban planning zoning of territories based on the concept of sustainable development 基于可持续发展概念的领土城市规划分区支持决策的标准选择论证
Вестник СГАСУ. Градостроительство и архитектура Pub Date : 2023-10-31 DOI: 10.17673/vestnik.2023.03.22
Ekaterina E. Prokshits, Yana A. Zolotukhina, Olga A. Sotnikova
{"title":"Justification of criterias selection for supporting decision-making in urban planning zoning of territories based on the concept of sustainable development","authors":"Ekaterina E. Prokshits, Yana A. Zolotukhina, Olga A. Sotnikova","doi":"10.17673/vestnik.2023.03.22","DOIUrl":"https://doi.org/10.17673/vestnik.2023.03.22","url":null,"abstract":"The purpose of this study was to determine the key indicators for assessing the sustainable development of the university campus when choosing its spatial organization and functional planning. Questionnaires are formulated for quantitative and qualitative expert assessment of existing university territories to determine the best option for the interaction of the city with the functional zones of the campus. The main options for the transformation of the university and its adjacent territory are proposed. The main advantages and disadvantages of each of the variants of the spatial organization of the campus are determined. A roadmap has been formed to make a decision for the urban planning placement of an innovative educational environment.","PeriodicalId":477286,"journal":{"name":"Вестник СГАСУ. Градостроительство и архитектура","volume":"55 7","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135813677","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
Reinforcement of bases with dispersed reinforcement from plastic waste 用塑料废物中的分散钢筋加固底座
Вестник СГАСУ. Градостроительство и архитектура Pub Date : 2023-10-31 DOI: 10.17673/vestnik.2023.03.10
Dmitry V. Popov, Valery P. Popov
{"title":"Reinforcement of bases with dispersed reinforcement from plastic waste","authors":"Dmitry V. Popov, Valery P. Popov","doi":"10.17673/vestnik.2023.03.10","DOIUrl":"https://doi.org/10.17673/vestnik.2023.03.10","url":null,"abstract":"The article presents the results of laboratory tests with a stamp of sandy soils of different densities, reinforced with a different percentage of the total volume with fiber made by cutting strips from plastic bottles. The aim of the work is to obtain the values of the modulus of deformation of the soil, the reinforcement of which is carried out with plastic fiber. Also in this article, a comparison was made of non-reinforced soil with reinforced. The presented results of laboratory studies show the effectiveness of the use of fiber made from plastic waste, which in the future will significantly save on the device of artificial sand bases, as well as improve environmental performance.","PeriodicalId":477286,"journal":{"name":"Вестник СГАСУ. Градостроительство и архитектура","volume":"312 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135872838","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
Assessment of clay raw materials of western Kazakhstan 哈萨克斯坦西部粘土原料评价
Вестник СГАСУ. Градостроительство и архитектура Pub Date : 2023-10-31 DOI: 10.17673/vestnik.2023.03.08
Natalia G. Chumachenko, Maria G. Kalinina, Vera A. Burakhta, Nurlan M. Bekkaliev
{"title":"Assessment of clay raw materials of western Kazakhstan","authors":"Natalia G. Chumachenko, Maria G. Kalinina, Vera A. Burakhta, Nurlan M. Bekkaliev","doi":"10.17673/vestnik.2023.03.08","DOIUrl":"https://doi.org/10.17673/vestnik.2023.03.08","url":null,"abstract":"The article presents the results of the estimated assessment of the clay raw materials of the West Kazakhstan Pogodaevsky and Taskalinsky fields. The calculation was made by the chemical composition of clays, focusing on the formation of low-melting triple aluminosilicate eutectics. Based on the calculated data, the melt formation dynamics curves were built, from which the possible sintering degree, sintering intervals and the recommended firing temperature were determined. A forecast was made for a change in the properties of clay raw materials with the introduction of 2% alkaline oxides. The optimal directions of use of these clays and firing parameters are determined.","PeriodicalId":477286,"journal":{"name":"Вестник СГАСУ. Градостроительство и архитектура","volume":"13 38","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135863314","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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