Life quality and living standards in big cities under conditions of high-rise construction development

Авдеева, Елена; Аверина, Т. А.; Kochetova, Larisa

doi:10.1051/e3sconf/20183303013

Cited by 22 publications

(5 citation statements)

References 3 publications

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“…Cambodia employed 99.7% of the workforce in 2019. In 2019, GDP per capita was US $ 1,643, which is about US $ 4.50 per day [10]. These countries have low unemployment rates, largely because their economies rely heavily on subsistence agriculture, which is labour intensive but seasonal.…”

Section: Resultsmentioning

confidence: 99%

Study of the development trajectory of the status indicator in employment in the context of digital transformation

2021

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Changes in employment status and rising unemployment are global and driven by rapid technological progress. The coronavirus pandemic also played a huge role, increasing the unemployment rate by 2-4% in different economies. The most declining industries are arts, culture and recreation; spheres of education, law and social, communal and state services; trade. Today, the fragmentation of employment up to self-employment and the spread of various forms of precarious work are clearly visible, and there is an inverse relationship between the share of self-employed workers and the GDP of their countries: in 2018, Burundi had the highest level of self-employment in the world - almost 95%. Arab countries posted the lowest self-employment rates at 1.7%. The emergence of new professions and employment profiles opens up a number of opportunities for the unemployed and the self-employed.

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Section: Resultsmentioning

confidence: 99%

Study of the development trajectory of the status indicator in employment in the context of digital transformation

2021

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“…The workload on the staff has also increased significantly, and it is almost impossible to recruit the missing personnel in the conditions of quarantine. Debts on utility payments have grown -the state meets citizens halfway and offers benefits, temporarily canceling fines and penalties, as well as checking accounting devices -but this affects the criminal code and resource-supplying organizations that are left without financial assistance [6].…”

Section: Materials аNd Methodsmentioning

confidence: 99%

Current Problems of Digitalization of Housing and Utilities Management in the Context of a Pandemic

Баркалов

Аверина

Авдеева

et al. 2020

2020 2nd International Conference on Control Systems, Mathematical Modeling, Automation and Energy Efficiency (SUMMA)

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The article notes the inevitability and prospects of global digital transformation. The leading countries have already been identified. These are Korea, the United States, Great Britain, Japan, and Germany. The reasons for rapid success are the increase in the number of highly qualified and competent specialists in the field of digital technologies and, most importantly, constant public and private investment in information resources in promising areas, such as smart city projects. The priorities that smart technologies give for all stakeholders are highlighted: resource saving, high quality of services provided at an adequate price, transparency of payments, comfort and functionality of housing. The number of Russian enterprises that operate effectively in the field of information technology is very small due to the lack of permanent funding, effective domestic information infrastructure and regulatory regulation of the digital environment, and low legal and information literacy of the population. The factors influencing the development of housing and utilities and the quality of public services are summarized and systematized: organizational and managerial, scientific and technical, social, sanitary and epidemiological, environmental. The quality of housing and utilities services varies greatly from low to high across the country, due to different approaches to the organization and management of enterprises in the industry, including the information component. An overview of the latest specific IT solutions for this sphere developed in Russia is given and the necessity of creating a common digital space is emphasized, its main elements are highlighted.

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“…The specific parameters are shown in Table 2. To save calculation time, the following optimizations are made to the test components: (1) The wall thickness of the column in the node and non-node areas of the test is set to the same size, and the concrete strength grade is consistent; (2) The spherical hinge base is removed, and the restraint method at the end of the lower limb steel tube concrete is fully fixed; (3) The out-of-plane restraint steel bar only restrains displacement along the axis of the steel bar. The loaddisplacement hysteresis curve under cyclic loading can well reflect the evolution process of the component from loading to failure.…”

Section: Influence Of Different Parameters On Mechanical Properties O...mentioning

confidence: 99%

“…With the acceleration of urbanization, modern high-rise buildings are rapidly developing with a new appearance [1][2][3]. As the building height increases, the lateral stiffness of the structure becomes a vital issue in the design.…”

Section: Introductionmentioning

confidence: 99%

Seismic Behaviour of CFST Space Intersecting Nodes in an Oblique Mesh

Zhao

Wang²,

Yang

et al. 2023

Applied Sciences

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The design of intersecting nodes in high-rise oblique mesh structures is a critical issue. The existing research on the intersecting nodes of oblique meshes mainly focuses on plane intersecting nodes and monotonic axial compression loads. The plane intersecting nodes cannot consider the contribution of the node’s out-of-plane angle and floor beam to the node’s out-of-plane stiffness in actual structures. In this paper, numerical analysis using ABAQUS was conducted to investigate the mechanical performance of space intersecting nodes of oblique meshes (OMSIN) under cyclic axial tension and compression loads, to provide a reference for the engineering application of oblique mesh structures in seismic regions. Six parameters were considered: the space intersecting angle, the plane angle symmetry coefficient, the plane intersecting angle, the out-of-plane constraint restraint, the steel content of the cross-section, and the concrete strength. The study showed that changes in the thickness of the steel tube wall are unfavourable for the uniform transmission of stress. Increasing the space intersecting angle significantly weakened the seismic performance, and the space angle affects the failure mode of the node. Asymmetric arrangements of the upper and lower plane angles caused nonlinear development of out-of-plane. The ultimate load and overall compressive stiffness of the specimen were positively correlated with the plane angle, and vertical constraints should be applied to the node position of components with plane angles greater than or equal to 70°. The out-of-plane constraint was a key factor affecting the seismic performance of the node, and it was proportional to the ultimate load of the component. In structural design, if the aim is to improve the mechanical performance of the component by increasing the steel content, more enormous out-of-plane constraints should be set to control plane external displacement strictly. The concrete strength is proportional to the ultimate axial load and axial stiffness, and its influence on the mechanical performance in the axial tension direction is not significant. Finally, a dimensionless skeleton curve model of the node was established. The existing formula for the bearing capacity of CFST columns was fitted to obtain the calculation formula for the axial yield and ultimate load of the OMSIN under cyclic loads.

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Life quality and living standards in big cities under conditions of high-rise construction development

Cited by 22 publications

References 3 publications

Study of the development trajectory of the status indicator in employment in the context of digital transformation

Study of the development trajectory of the status indicator in employment in the context of digital transformation

Current Problems of Digitalization of Housing and Utilities Management in the Context of a Pandemic

Seismic Behaviour of CFST Space Intersecting Nodes in an Oblique Mesh

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