scholarly journals Institution of public welfare: investments within historic settlements and the life cycle of the urban environment

Vestnik MGSU ◽  
2021 ◽  
pp. 751-769
Author(s):  
Olga V. Bakhareva ◽  
Liliya I. Azhimova ◽  
Alberto Celani ◽  
Nicolai S. Bolshakov
Keyword(s):  
Energy Efficiency ◽  
Life Cycle ◽  
Housing Stock ◽  
Residential Buildings ◽  
State Intervention ◽  
Public Welfare ◽  
Housing Sector ◽  
Investment Projects ◽  
Adjacent Territory ◽  
The City

Introduction. The transformation of the economic space of the regions based on digitalization and the use of intelligent technologies in the housing sector gives rise to aesthetic technical problems. When implementing spontaneous investment projects to improve the energy efficiency of the old housing stock of cities, including historical and cultural monuments, as well as buildings that form historical buildings, technical and aesthetic consequences arise. The aim of the article is to study the implemented investment projects to improve the energy efficiency of residential buildings on the adjacent territory of the border of the historical settlement of regional significance in the city of Kazan. Materials and methods. Full-scale inspection, photographic recording of the results of implemented investment projects to improve the energy efficiency of multi-apartment residential buildings of the housing stock on the adjacent territory of the border of the historical settlement of the city of Kazan. Results. As a result, a classification was drawn up of the types of interventions of the operating company, which significantly change the historical facades, change the single architectural and historical appearance of the street ensemble and generate negative externalities. Taking into account the prospects for growth in demand in the market for improving the energy efficiency of buildings of old housing stock, in order to maximize public welfare, it is proposed to consider the mechanism of state intervention to protect the architectural and historical environment of the city as a patronized good on the basis of state policy to create favorable conditions for the introduction of innovations in the housing sector in the form of institute of public guardianship. Conclusions. The institute of public guardianship will allow to preserve the artistic architectural ensembles of the city throughout the life cycle, to fight against parasitic architecture, to obtain an economic effect: to ensure low energy consumption in residential buildings of the old housing stock of cities, an increase in the value of real estate and the profitability of investment projects for the restoration, reconstruction and reconstruction of buildings in the historical part cities.

scholarly journals Reconstruction and Modernization of Buildings Commissioned in the Second Half of the Twentieth Century

2020 ◽  
Vol 6 (5) ◽  
pp. 295-300
Author(s):  
V. Karanova ◽  
A. Sebeleva
Keyword(s):  
Twentieth Century ◽  
Energy Efficiency ◽  
Life Cycle ◽  
Housing Stock ◽  
Residential Buildings ◽  
Engineering Equipment ◽  
Modern Engineering ◽  
Wear And Tear ◽  
High Level

Currently, in Russian cities, a significant part of the housing stock in the areas of existing development has a high level of physical and moral wear and tear. Reconstruction of residential buildings will not only extend the life cycle, but also significantly improve the quality of housing, equip homes with modern engineering equipment, improve the architectural expressiveness of buildings and increase their energy efficiency.

scholarly journals Building Stability On Permafrost In Vorkuta, Russia

2019 ◽  
Author(s):  
P. I. Kotov ◽  
V. Z. Khilimonyuk
Keyword(s):  
Climate Change ◽  
Housing Stock ◽  
Residential Buildings ◽  
Open Data ◽  
Urban Environments ◽  
The Arctic ◽  
Residential Housing ◽  
Infrastructure Stability ◽  
The Impact ◽  
The City

The Infrastructure stability on permafrost is currently an important topic as the Arctic countries are developing climate change adaptation and mitigation programs. Assessing the sustainability of infrastructure facilities (especially in urban environments) is a difficult task as it depends on many parameters. This article discusses the city of Vorkuta, which is located in the northwest of Russia. This city differs from many others built on permafrost because most of buildings were built according to Principle II (The Active Method) of construction on permafrost with thawing soil prior to construction. Assessments of the engineering and geocryological conditions, basic principles of construction in the city, and reasons for building failures, were carried out within this study. The research is based on publications, open data about buildings, and visual observations in Vorkuta. About 800 buildings are in use in Vorkuta in 2020 (43% of what it was 50 years ago). According to the analysis, about 800 houses have been demolished or disconnected from utility lines over the past 50 years (about 250 of these are still standing, pending demolition). Since 1994, the construction of new residential buildings has almost stopped. Therefore, buildings that have been in use for over 50 years will account for 90% of the total residential housing stock by 2040. The effects of climate change in the city will depend primarily on the principle of construction employed and on the geocryological conditions of the district. Buildings constructed according to Principle I (The Passive Method) were found to be more vulnerable due to a decrease in permafrost bearing capacity. The impact of increasing air temperature on some of the buildings built on bedrock (the central part of the city) and some built on thawing soil will be minimal, as other factors are more significant.

scholarly journals Targeting Energy Efficiency through Air Conditioning Operational Modes for Residential Buildings in Tropical Climates, Assisted by Solar Energy and Thermal Energy Storage. Case Study Brazil

2021 ◽  
Vol 13 (22) ◽  
pp. 12831
Author(s):  
Alex Ximenes Naves ◽  
Laureano Jiménez Esteller ◽  
Assed Naked Haddad ◽  
Dieter Boer
Keyword(s):  
Energy Efficiency ◽  
Life Cycle ◽  
Energy Storage ◽  
Air Conditioning ◽  
Residential Buildings ◽  
Zero Energy ◽  
Net Zero Energy ◽  
Net Zero ◽  
Life Cycle Perspective ◽  
Operational Modes

Economy and parsimony in the consumption of energy resources are becoming a part of common sense in practically all countries, although the effective implementation of energy efficiency policies still has a long way to go. The energy demand for residential buildings is one of the most significant energy sinks. We focus our analysis on one of the most energy-consuming systems of residential buildings located in regions of tropical climate, which are cooling systems. We evaluate to which degree the integration of thermal energy storage (TES) and photovoltaic (PV) systems helps to approach an annual net zero energy building (NZEB) configuration, aiming to find a feasible solution in the direction of energy efficiency in buildings. To conduct the simulations, an Energy Efficiency Analysis Framework (EEAF) is proposed. A literature review unveiled a potential knowledge gap about the optimization of the ASHRAE operational modes (full storage load, load leveled, and demand limiting) for air conditioning/TES sets using PV connected to the grid. A hypothetical building was configured with detailed loads and occupation profiles to simulate different configurations of air conditioning associated with TES and a PV array. Using TRNSYS software, a set of scenarios was simulated, and their outputs are analyzed in a life cycle perspective using life cycle costing (LCC). The modeling and simulation of different scenarios allowed for identifying the most economic configurations from a life cycle perspective, within a safe range of operability considering the energy efficiency and consequently the sustainability aspects of the buildings. The EEAF also supports other profiles, such as those in which the occupancy of residential buildings during the day is increased due to significant changes in people’s habits, when working and studying in home office mode, for example. These changes in habits should bring a growing interest in the adoption of solar energy for real-time use in residential buildings. The results can be used as premises for the initial design or planning retrofits of buildings, aiming at the annual net zero energy balance.

scholarly journals Critical infrastructure of the housing sector of the national economy: Economic and legal aspect

2021 ◽  
Vol 10 (44) ◽  
pp. 278-287
Author(s):  
Valeriia Loiko ◽  
Vladyslav Teremetskyi ◽  
Stanislav Maliar ◽  
Mykola Rudenko ◽  
Valentyna Rudenko
Keyword(s):  
National Economy ◽  
Critical Infrastructure ◽  
Housing Stock ◽  
Residential Buildings ◽  
Legal Aspect ◽  
Legal Aspects ◽  
Housing Sector ◽  
Synergistic Approach ◽  
Logical Method ◽  
Statistical Analysis Method

The purpose of the study is to summarize the current state of the art in the economic and legal aspects of ensuring the functioning of critical infrastructure in the housing sector of the national economy and to substantiate proposals for its improvement. The study used general and special research methods: synergistic approach, trend statistical analysis method, economic-mathematical modelling using Statgraphics XV&I Centurion program, logical method and generalization method. The main results of the study include. It has been concluded that housing and public utilities infrastructure is the largest consumer of resources in the world economy, so its operation and development require further research. The authors have defined the tendencies for increasing the volumes of construction works on the territory of Ukraine for the period of 2016-2020 and slow rate for increasing the construction of housing stock. With the help of economic and mathematical modeling, the authors have obtained results of the forecast of the volume of commissioning of the total area of residential buildings in Ukraine. Based on the analysis of the dynamics of emergencies in residential buildings or constructions in Ukraine for the period of 2015-2020, the authors have made a conclusion on the need to implement measures on preventing emergencies. Critical infrastructure facilities within the residential sector of the national economy include both enterprises in the field of water supply, sewerage, production, transportation and marketing of heat and electricity, gas distribution and transportation and water heating and gas supply networks in residential buildings, as well as elevators and networks that provide communication.

Energy efficient bio positive designs in the buildings of civil purpose for the conditions of St. Petersburg City

2017 ◽  
pp. 44-50
Author(s):  
Anatoly Kuznetsov
Keyword(s):  
Energy Efficiency ◽  
Housing Stock ◽  
Residential Buildings ◽  
Practical Importance ◽  
Experimental Studies ◽  
Winter Period ◽  
Mean Annual Temperature ◽  
Technical Solution ◽  
Climatic Parameters ◽  
Constructive Solution

Objective: Development of technical solutions for improving energy efficiency in residential buildings. Methods: Field experiment, thermal inspection of residential buildings. Results: In the conditions of rising global mean annual temperature over the last century, changed climatic parameters of St. Petersburg city. The duration of the winter period decreased by 13 days compared to the first half of the XX century due to the earlier onset of spring. The shift of the winter end has shifted to a colder part of the year and beginning remained unchanged. The winter in the district of St. Petersburg became colder. The change of climatic parameters of St. Petersburg affects the efficiency of the housing stock built since the late 90s. using the technology of monolithic housing construction. In the work conducted thermal survey of residential buildings of monolith structures in St. Petersburg. The result revealed the following defects: the formation of cold bridges in the construction of the pairing of the slabs with wall enclosing structures; disturbance of temperature and humidity conditions in residential areas; a deterioration of living conditions in the apartments; in some cases, the growth of education fungi. To create favorable conditions for human habitation designed a constructive solution that improves the thermal performance of the exterior walls. The technical solution is the use of the valve, in the thickness of the wall and provides or prevents the penetration of outside air in the air layer. Practical importance: The application of the proposed constructive solution after additional experimental studies will improve the energy efficiency of residential buildings in the context of changing climatic parameters.

Distant Learning Course “Energy Efficient Refurbishment Management”

2014 ◽  
Vol 635-637 ◽  
pp. 2057-2062 ◽  
Author(s):  
Nikolay Vatin ◽  
Darya Nemova ◽  
Lina Khazieva ◽  
Daria Chernik
Keyword(s):  
Energy Efficiency ◽  
International Organizations ◽  
Energy Efficient ◽  
Housing Stock ◽  
Residential Buildings ◽  
International Level ◽  
Distant Learning ◽  
Efficiency Measures ◽  
Special Knowledge ◽  
New Buildings

Currently, a problem of the deterioration of housing stock exists and more and more buildings require reconstruction and renovation. Therefore, there is the need for specialists of the international level in the reconstruction and renovation of residential buildings in the labor market. To meet the need the distant learning course “Energy efficient refurbishment management” is offered. Implementation of the project is carried out by international organizations from different countries. The course is aimed at improving energy efficiency in new buildings and old residential buildings under the renovation in Russia, Belarus and Ukraine. The main objective of the project is the development of a program that will allow a manager to plan and implement energy efficiency measures of reconstruction. It is assumed that this course will be used both for self-education and for professional development and will be available for people who do not have special knowledge in this area. The program will provide the society with experts in the field of energy efficient renovation.

scholarly journals A Software Tool for a Stochastic Life Cycle Assessment and Costing of Buildings’ Energy Efficiency Measures

2021 ◽  
Vol 13 (14) ◽  
pp. 7975
Author(s):  
Edoardo Baldoni ◽  
Silvia Coderoni ◽  
Elisa Di Giuseppe ◽  
Marco D’Orazio ◽  
Roberto Esposti ◽  
...  
Keyword(s):  
Energy Efficiency ◽  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Performance ◽  
Software Tool ◽  
Investment Projects ◽  
Trade Offs ◽  
Efficiency Measures ◽  
Support Decision Making

This article presents a novel software tool for the assessments of life-cycle environmental impacts and costs, which is aimed to support decision-making in the design phase of retrofit interventions in the building sector. By combining Life Cycle Costing (LCC) and Life Cycle Assessment (LCA) calculations and functionalities, this tool allows evaluating the long-term trade-offs between economic and environmental performance of investment projects in energy efficiency for buildings, while accounting for uncertainties in input parameters and economic scenarios. A major novelty of the software tool is the stochastic nature of both the LCC and LCA dimensions. The LCA is implemented with Monte-Carlo methods, while the LCC accounts for the probabilistic interdependence of macroeconomic variables over time. The software also includes advanced specific tools for parametrization and sensitivity analysis. Exemplary applications are presented in order to illustrate the novelty and the functionalities of the software tool.

scholarly journals EVALUATION OF ENERGY SAVING POTENTIAL ON THE BASIS OF ENERGY AUDIT

2016 ◽  
Vol 1 (12) ◽  
pp. 89-94 ◽  
Author(s):  
Косухин ◽  
Andrey Kosukhin ◽  
Косухин ◽  
Mikhail Kosukhin ◽  
Семак ◽  
...  
Keyword(s):  
Energy Efficiency ◽  
Energy Saving ◽  
Residential Buildings ◽  
Necessary Condition ◽  
Housing Sector ◽  
Efficiency Improvement ◽  
Energy Audit ◽  
Energy Saving Potential ◽  
Energy Efficiency Improvement ◽  
Existing Housing

There were presented the findings of the research in energy saving and energy efficiency of public and residential buildings with the purpose of evaluating the energy saving potential on the basis of energy audit. There was demonstrated the nature of energy consumption and the evaluation figures of energy saving in state-financed sphere and housing sector of the country. On the basis of research and calculations of various specialists it was determined, that the highest potential of energy efficiency improvement belongs to the housing funds of the country. It was pointed out that capital repairs and reconstruction of the existing housing funds are the necessary condition of implementing the energy saving measures. The investment issues, their types and their attractiveness for energy saving measures and improving the energy efficiency are reflected.

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