THE SELECTION OF BUILDING MATERIALS TO IMPROVE THE COMFORT AND ECOLOGICAL SAFETY OF CITY HOUSING

2015 ◽  
Vol 5 (4) ◽  
pp. 94-99 ◽  
Author(s):  
Anna Yur'evna ZHIGULINA ◽  
Natalya Genrikhovna CHUMACHENKO
Keyword(s):  
Building Materials ◽  
Raw Materials ◽  
Residential Buildings ◽  
Construction Materials ◽  
Environmental Safety ◽  
Toxic Substances ◽  
Chemical Additives ◽  
Chemical Safety ◽  
Sources Of Pollution ◽  
Selection Of

The article is devoted to problems of creation of comfortable microclimate. Identifi es sources of pollution, completed their evaluation. Special att ention is paid to the selection of environmentally friendly building materials. In the production of building materials where toxic components can be industrial waste, replacing natural raw materials and chemical additives regulating the properties. In the operation of many building materials, especially those based on polymers, it is necessary to control the release of toxic substances resulting from degradation. For the assessment of comfort and environmental safety of housing is offered to create «Passports of residential buildings», which should be provided with information about construction materials used to evaluate this parameter, environmental home safety, including chemical safety as its component.

USING THE METHODOLOGY OF "GREEN" CONSTRUCTION FOR RATING EVALUATION OF ROADS

2019 ◽  
pp. 84-93
Author(s):  
Konstantin Pugin
Keyword(s):  
Building Materials ◽  
New Technologies ◽  
Negative Impact ◽  
Raw Materials ◽  
Construction Materials ◽  
Road Construction ◽  
Environmental Safety ◽  
Physicochemical Condition ◽  
Term Operation ◽  
Green Construction

The use of new technologies and raw materials, including man-made materials, in the production of con-struction and road materials increases the risks of forming a negative technogenic load on environmental objects when used in road construction. This is of particular relevance due to the fact that the road network has a long extension in the settlements and as a result has a negative impact on the person. A new methodolo-gy for "green" construction, which is currently being effectively used in a number of developed European countries, can give a comprehensive assessment of the emergence of risks. On the basis of analytical and la-boratory studies it is shown that the methodology of "green" construction used for the evaluation of residen-tial and industrial buildings can not be applied to the evaluation of road construction objects. When as-sessing the building materials used in road construction, the change in their physicochemical condition dur-ing long-term operation in the elements of road structures is not taken into account. It is shown that the emis-sion of environmentally hazardous chemical compounds that make up construction materials increases with the cyclicity of the pH of the medium of their placement, the discontinuity of the surface. It was proposed to include such provisions as "protection from the aquatic environment", "stable pH values of the external envi-ronment" for the formation of a rating system for assessing the "green" construction of motor roads in order to ensure environmental safety.

scholarly journals Geonics (geomimetics) and search for optimal solutions in building materials science

2021 ◽  
Vol 18 (1) ◽  
pp. 120-134
Author(s):  
V. S. Lesovik ◽  
A. А. Sheremet ◽  
I. L. Chulkova ◽  
A. E. Zhuravleva
Keyword(s):  
Building Materials ◽  
Mechanical Characteristics ◽  
Materials Science ◽  
Raw Materials ◽  
Construction Materials ◽  
Kursk Magnetic Anomaly ◽  
Transdisciplinary Approach ◽  
Methodological Approaches ◽  
Selection Of ◽  
Physical And Mechanical Characteristics

Introduction. Methodological approaches and validation of the emergence of a new transdisciplinary area -geonics, which is considered as the art of applying knowledge of the inorganic world, are presented.Materials and methods. The concept of technogenic metasomatism as a stage in the evolution of building materials, characterized by the adaptation of the composite to changing conditions is formulated. The Law of affinity of structures, which consists in the selection of raw materials for a composite with similar physical and mechanical characteristics, is described.Results. The examples of non-traditional raw materials use in the areas of construction materials science (intelligent composites, restoration mixtures) and architecture (the building of the Belarusian Potash Company in Belarus, the 'Reflection of the mineral’ building in Japan, the design concept of the monument to the Kursk magnetic anomaly) are presented.Discussion and conclusions. It is proved that the development of a transdisciplinary approach to geonics will improve the comfort of human stay in the environment.

Assessment of contamination by rocket fuel components of remedied sites of silo launchers

2021 ◽  
Vol 61 (9) ◽  
pp. 567-571
Author(s):  
Olga N. Semenova ◽  
Tatyana V. Ryabova ◽  
Olga M. Hudyakova ◽  
Svetlana V. Smirnova
Keyword(s):  
Building Materials ◽  
Degradation Products ◽  
Well Being ◽  
Environmental Safety ◽  
Ecological Condition ◽  
Chemical Safety ◽  
Rocket Fuel ◽  
Nature Restoration ◽  
Liquid Rocket ◽  
Chelyabinsk Region

Introduction. The use of highly toxic and highly hazardous components of liquid rocket fuel in silo-based intercontinental ballistic missiles makes it necessary to assure the health and epidemiological well-being of the population and environmental safety when eliminating silo launchers. The study aims to assess the chemical safety of the sites of silo launchers after their elimination by detonation and remediation of disturbed lands. Materials and methods. Samples of soil, water, vegetation were taken at 20 remedied sites of the former silo launchers of "single start" located in the Chelyabinsk region and the Altai Territory. These samples were analyzed in an accredited laboratory for the content of unsymmetrical dimethyl-hydrazine and its degradation products using certified photometric methods. Results. At the time of the survey in 2019, in 19 of 20 sites of former silo launchers, facts of unauthorized intrusion to the remedied sites were established in order to recover a scrap of non-ferrous and ferrous metals, building materials up to the depth of the location of the destroyed shafts of mine structures. In soil samples from 3 sites of silo launchers located in the Chelyabinsk region, asymmetric dimethyl-hydrazine was found in concentrations exceeding the MPC by 1.02 - 1.6 times. In water samples from open and water-flooded shafts of silo launchers, degradation products of unsymmetrical dimethyl-hydrazine were absent. Contamination of herbaceous and coniferous vegetation with asymmetric dimethyl-hydrazine at the surveyed sites has not been established. Conclusion. Soil contamination with asymmetric dimethyl-hydrazine at three remedied sites of 20 surveyed ones may be the result of their unauthorized opening. After the intrusion, the orphan sites of the silo launchers become objects of increased chemical hazard and environmental risk. Such things require carrying out nature restoration work, strengthening supervision over their technical, health and ecological condition.

scholarly journals Bio-based construction materials for a sustainable future

2019 ◽  
Author(s):  
Rijk Block ◽  
Barbara Kuit ◽  
Torsten Schröder ◽  
Patrick Teuffel
Keyword(s):  
Construction Industry ◽  
Structural Engineering ◽  
Building Materials ◽  
Raw Materials ◽  
Construction Materials ◽  
Flax Fibres ◽  
The Past ◽  
Natural Building ◽  
Paris Climate Agreement ◽  
Primary Materials

<p>The structural engineering community has a strong responsibility to contribute to a more efficient use of natural resources. Nowadays the construction industry is by far the most resource intense industry sector, approximately 40-50% of all primary raw materials are used, which raises the question about the architects and engineer’s accountability. In this context and as a result of the Paris Climate agreement the Dutch government defined the program “Nederland Circulair in 2050”, which states the ambition to use 50% less primary materials in 2030 and to have a full circular economy in 2050.</p><p>One possible approach to achieve these ambitious goals is the application of renewable, bio-based materials in the built environment and to replace traditional, typically cement-based, materials. Already in the past natural building materials, such as timber and bamboo have been used widely, but in recent years new materials came up and provide new opportunities to be used in the construction industry. The authors explored various alternatives, such as hemp and flax fibres, mycelium and lignin-based fibres for composite materials, which will be described with various experimental and realised case studies.</p>

scholarly journals Improving the efficiency of leaching of metals from ore raw materials

2018 ◽  
pp. 45-57
Author(s):  
V.I. Lyashenko ◽  
F.F. Topolnyi ◽  
G.D. Kovalenko
Keyword(s):  
Underground Mining ◽  
Raw Materials ◽  
Residential Buildings ◽  
Practical Experience ◽  
Environmental Safety ◽  
Theory And Practice ◽  
Raw Material ◽  
Material Base ◽  
Seismic Safety ◽  
Industrial Buildings

Purpose. Improving the efficiency of leaching of metals from ore raw materials by justifying the parameters of underground mining and the introduction of integrated technology in combination with geotechnology, ensuring the rational use, protection of the subsurface and the environment during the development of reserves by combined geotechnological methods. Metology. The methods of generalization, analysis and evaluation of practical experience and scientific achievements in the field of geotechnology, theory and practice of explosive destruction of solid media, continuum mechanics, mathematical statistics, as well as research techniques of wave processes according to standard and new techniques of the leading experts of the world's advanced mining countries are described. Findings. The factors determining the leaching efficiency of metal ores, environmental and seismic safety are established and the parameters of the explosion are justified taking into account the size of an average linear piece of exploded ore mass, the area of an emanating surface and the seismic safety of protected objects (industrial buildings, residential buildings, the Ingul river underflow, Kropivnitsky, etc.). Originality. Recommended empirical dependence for the prediction of the oscillation speed on the reduced mass of charge per deceleration step in the explosive preparation of ore for underground leaching of metals for the field conditions of the form y = a ∙ b also the value of the permissible displacement rate of the soil at the base of the protected objects = 0.4 cm / s. Practical value. When non-conforming ores of deposits are involved in the production, their raw material base at operating mines can be increased 1.4–1.6 times. Keywords: mining technology, underground mining, metal leaching, environmental safety, efficiency.

Resource-Saving Technologies in the Thermal Insulation-Structural Foam Glass Production

2019 ◽  
Vol 974 ◽  
pp. 356-361
Author(s):  
O.V. Kuznetsova ◽  
N.D. Yatsenko ◽  
A.I. Subbotin ◽  
M.Yu. Klimenko
Keyword(s):  
Building Materials ◽  
Raw Materials ◽  
Foam Glass ◽  
Scientific Research ◽  
Glass Production ◽  
Environmental Safety ◽  
Resource Saving ◽  
Structural Foam ◽  
Safety Requirements ◽  
Research Areas

The modern building materials market places high demands on heat-insulating and heat-insulating structural materials. In this connection, the issues of developing high-quality building materials obtained on the resource-saving technologies basis allowing to solve two interrelated problems are topical. The first problem is the industrial waste generated and existing stocks disposal. The second is associated with a decrease in the traditional raw materials deficit [1]. These problems solution, combining rational technological solutions, is based on the scientific research achievements in this area, in particular in the foam glass production. The priority scientific research areas in the foam glass materials production are the developments related to the study, the new raw materials use and the production of foam glass mixture compositions on their basis, which provide, along with the necessary performance properties, high environmental safety requirements [2, 3].

scholarly journals Contribution of the Vernacular Architecture to the Sustainability: A Comparative Study between the Contemporary Areas and the Old Quarter of a Mediterranean City

2019 ◽  
Vol 11 (3) ◽  
pp. 896 ◽  
Author(s):  
Fajer Tawayha ◽  
Luis Braganca ◽  
Ricardo Mateus
Keyword(s):  
Building Materials ◽  
Climatic Factors ◽  
Residential Buildings ◽  
Construction Materials ◽  
Vernacular Architecture ◽  
Local Context ◽  
Synthesis Methods ◽  
New City ◽  
The Government ◽  
The City

The strongest point of vernacular architecture is the harmony between environment and buildings. Mediterranean vernacular architecture is harmonized with its local context, including culture and traditions. In addition, it respects environmental and climatic factors, construction materials, and morphology. In the past, people in Palestine built their houses according to their possibilities, needs, available materials, topography, and culture. Without any control from the government or any legal limitations or architects, it was people’s architecture, simple architecture. This paper discusses the differences between vernacular and contemporary residential buildings of the city of Nablus at the building scale. The research methodology adopts explanatory qualitative analysis and comparative synthesis methods for both the old and the new buildings of the city of Nablus and considers many parameters of residential buildings such as building materials, interior spaces, openings and vegetation, and the effect of sociocultural values on each. The outcomes of this research allow understanding how the new city residential buildings are far away from the sustainability principles and how the old city is close to it and how the architects and stakeholders could learn from the strategies of vernacular architecture.

Green gold of Africa – Can growing native bamboo in Ethiopia become a commercially viable business?

2014 ◽  
Vol 90 (05) ◽  
pp. 628-635 ◽  
Author(s):  
Felix Böck
Keyword(s):  
Building Materials ◽  
Raw Materials ◽  
Construction Materials ◽  
Wood Products ◽  
Raw Material ◽  
Sustainable Construction ◽  
Sustainable Business ◽  
Subtropical Zone ◽  
New Construction ◽  
Increasing Demand

With concerns about climate change and the search for sustainable construction materials, significant attention is now being paid to Africa's natural resources. Ethiopia, known as Africa's political capital, has a rapidly expanding economy with increasing demand for new construction materials. Through public private partnerships projects the country is developing a sustainable business model to promote bamboo as a raw material. The subtropical zone of Ethiopia is home to approximately 65% of Africa's bamboo resources, an area of over 1 million hectares. Bamboo is potentially an ideal source of local, sustainable purpose-engineered building materials for growing cities not only in Ethiopia but across Africa. Production of conventional construction materials such as steel and concrete is expensive, highly energy intensive and unsustainable, requiring large quantities of water and is strongly dependent on imported raw materials. Bamboo is a renewable building material widely cultivated in Ethiopia but not yet utilized in modern construction. Structural Bamboo Products (SBP), similar to engineered wood products, have excellent potential to partially replace the use of more energy-intensive materials. Projects such as African Bamboo are taking steps in managing, cultivating and using Ethiopian bamboo species to help mitigate rapid deforestation in East Africa by creating alternative “wood” sources and sustainable business opportunities.

scholarly journals RESOURCE-SAVING TECHNOLOGIES FOR PROCESSING WASTE OF BUILDING MATERIALS TO ENSURE ENVIRONMENTAL SAFETY AND THEIR SECONDARY USE

2020 ◽  
pp. 145-159
Author(s):  
V.D. Klyuev ◽  
Yu.A. Biryukov ◽  
V.V. Panayetova
Keyword(s):  
Building Materials ◽  
Construction Materials ◽  
Environmental Safety ◽  
Processing Waste ◽  
Resource Saving ◽  
Secondary Use

The article deals with the problem of using resource-saving technologies for processing construction materials waste to ensure environmental safety and reuse of materials during the dismantling (demolition) of buildings. Justification is given for the development and adaptation of the theory of using resource-saving technologies in the organization of dismantling (demolition) of buildings.

scholarly journals Environmental and radiation assessment of construction materials in Tyumen

2021 ◽  
Vol 10 (2) ◽  
pp. 40-44
Author(s):  
Elena Viktorovna Zakharova ◽  
Elena Viktorovna Gaevaya ◽  
Leonid Nikolaevich Skipin ◽  
Svetlana Sergeevna Tarasova ◽  
Vasilyа Zinnurovna Burlaenko
Keyword(s):  
Building Materials ◽  
Specific Activity ◽  
Raw Materials ◽  
Natural Radionuclides ◽  
Construction Materials ◽  
Natural Radionuclide ◽  
Maximum Activity ◽  
Crushed Stone ◽  
Natural Activity ◽  
Effective Activity

The current pace of construction leads to the use of large volumes of construction raw materials, which must meet the regulatory indicators, including radiation. High levels of natural radionuclide activity, both in construction and finishing materials, affect changes in the gamma radiation indicators in the premises, which can negatively affect the health of people living in such facilities. Ecological and radiation assessment of building materials for the content of natural radionuclides showed an increased natural activity of potassium-40. The maximum activity values were observed in samples of bricks and expanded clay, where they were 799,0 and 622,0 Bq/kg, respectively. The lowest specific activity of natural potassium was observed in the crushed stone sample (21,3 Bq/kg). The specific activity of thorium-232 in building materials ranged from 2,1 to 53,3 Bq/kg. The activity of radium-226 in all the studied samples ranged from 4,4 Bq/kg (crushed stone) to 55,6 Bq/kg (cement). The specific effective activity of natural radionuclides in the studied building materials does not exceed the standard values (370 Bq/kg), therefore, they can be used in all types of construction and reconstruction.

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