Revitalization  of  public  science  and  technology  policy  in  the  construction  and  housing  sector.  Technologies,  materials,  design  and  engineering  systems  in  the  construction  of  residential  buildings,  including  low-rise,  with  a  given  level  of  comfort,  economical  and  environmentally  friendly
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Protect the surface of the concrete floor
To protect the concrete floor, which is operated in the normal mode, or is subject to wear in areas with high traffic, there are several ways to protect the surface.
   Comparable ways: their cost, appearance and ability to perform the task to protect.
   In this article, we consider three ways to finish and protect the floor. Each of them has its advantages and disadvantages.
  
   Thin fil...

Finishing compositions based on water glass. Part 3
When used as part of exhaustion moderator comes coagulation and solidification of liquid glass. However, due to the presence in the composition of Portland cement with a finishing time is an increase strength of the coating due to hydration of cement minerals. Thus from colloids formed during the coagulation liquid glass are actively assigned to the water for hydration of cement, a porous media formed tumors filled Portland cement, which leads to...

Finishing compositions based on water glass. Part 2
Studies in Berlin Institute Federal institute for Materials Research and Testing, show that the average density of 1730 kg/m3 brick large proportion of pores having a size in excess of 1 micron is more than 90% [3] and they are responsible for the increased migration of fluids through brickwork.
   Most fully meet these requirements structure obtained by coagulation and water-soluble potassium silicate forming silica with a high sp...

Modernization and repair of self-propelled machines. (3)
Hardening electrolysis BORATING hinge pins and bushings mates working equipment hydraulic excavators EO-4121 (EA-4321) gives an increase in wear resistance 4-6 times compared to the bulk quenching details.
   Taking into account the high wear resistance of brazed blades, hardened sintered alloys (see Table 1), are recommended for carbide knives dumps graders DZ-122 and RS-98, combined machine E-405 based on KAMAZ, for front dumps a t...

Specialized exhibition Architecture. Construction (END)
Mari-lime brick and gas silicate blocks
   JSC "MZSK" produces silicate brick and a half, color (white, yellow, black, red, blue, green, brown).
   For the production of silica brick used quartz sand from quarries near the plant. Limestone enters the factory with Dobryatinskogo deposit Vladimir region. Silicate brick (Table 1) is used for masonry exterior and interior walls of buildings and structures, as well as ...

Geophysical processes primers and security. Part 5
In the center of Moscow can distinguish vertical structure comprising a crashing into the Earth`s crust magma elongated cylinder (Fig. 2) [5]. In the center section marked lack of extensive vertical zone converted waves ("blind spot"), going from the depths of 70-80 km to 7.5 km. Such "blind spots" are characteristic of the earth`s crust with the introduction of monolithic dense mantle rocks such as gabbro, diabase, etc. In such a zone Tashkent e...

Finishing compositions based on water glass. Part 1
The quality of the decoration of buildings for new construction and reconstruction depend not only on their aesthetic, but also the operational parameters, as good-quality finish - a guarantee of durable service basic designs, long maintenance-free operation, the costs for maintenance and care. Traditional binders used for the production of finishing compositions, liquid glass is widely used, but it has some drawback: coatings based on it gaining...

On possible amendments to the equation Griffiths
Griffith presented a picture of destruction allowed to formulate the problem of determining conditions of the beginning of crack propagation and find its general solution.
   As seen from the above schemes, in the process of crack propagation material directly adjacent to it "coasts" unloaded relaxes. This means that the stress and strain it decreases, and the elastic energy stored earlier in this area of ​​the body is re...

Construction skyscrapers - the requirements of modernity. Part 4
The program is a high-rise building in Moscow
   The project is now a high-rise building in Moscow is implemented in two main areas: the construction of business center "Moscow City" and implementation of the program of the Government of Moscow "New Ring of Russia."
   1. Moscow international business center "Moscow - City"
   The project includes the construction of buildings on the territory of abou...

Degree project - beginning of the road. (3)
Given the great diversity of subject matter and content of diplomas in various specialties, the jury is faced with great difficulties in determining the winners - "Who better violinist or a dancer?". Nevertheless, often based on emotional perception and can estimate the relevance and novelty, and the author`s contribution to the thesis project or job. Absolute winners in recent years have been graduates of Rostov CSO GASU St. Petersburg, Nizhny N...

 

 
 Information for builders
 

 

 

 Revitalization  of  public  science  and  technology  policy  in  the  construction  and  housing  sector.  Technologies,  materials,  design  and  engineering  systems  in  the  construction  of  residential  buildings,  including  low-rise,  with  a  given  level  of  comfort,  economical  and  environmentally  friendly

1. Composition
   Technology, materials, design and engineering systems in the construction of residential buildings, including low-rise, with a given level of comfort, economy and environmental safety include the following main areas:
   Develop a comfortable and environmentally friendly architectural, structural and technological and engineering solutions for the construction of residential buildings, including low-rise, available on their specific economic indicators to the general public;
   developing and highly competitive building materials, products, designs, finishes, heat-insulating, polymeric materials and composites for construction of affordable housing;
   use of local raw material base, technogenic raw materials and production infrastructure for housing, taking into account regional and urban climatic conditions;
   restructuring of the power plants and housing prefabrication plants to produce competitive products for housing;
   The development and widespread use of domestic resources and energy saving technologies and equipment engineering support residential buildings, including unconventional energy supply.
  
   2. Purpose, basic functional parameters
   Integrated Solution construction comfortable, environmentally safe and economical to operate affordable housing for the general population, is an important task that has great socio-economic importance to the sustainable development of the country as a whole and its individual regions, land development, and the development of transport systems engineering, sustained security of cities and towns.
   Technical and economic indicators of specific cost of construction and operation of housing (1 m2 per person, etc.) must comply with the level of real income of the population through the development and application of cost-effective materials, products, systems design and engineering, construction and technology with the use of local raw and energy resources.
  
   3. Sphere of application
   The proposed technology can be used in the construction of residential buildings, including low-rise, in different regions of the Russian Federation, taking into account local urban development, climate and resource conditions.
  
   4. Basis for Selection
   National economic significance of the developed technologies to the following factors:
   provision of affordable and quality housing;
   development of local material and production infrastructure;
   creation of new jobs in the construction industry;
   saturation of the domestic construction market products;
   attract private investors to the domestic construction market.
  
   5. Status and trends of development
   In Russia at the expense of all sources of funding built houses with a total area of ​​33-34 million m2. While the share of individual building was about 40 percent. Need for the construction of housing and primarily low-rise and the individual continues to increase.
   Currently in housing used in significant quantities building materials, products, engineering equipment of foreign manufacture, which significantly increases the cost per unit and the absolute value indicators of housing, hinders the development of the construction industry in the field.
   Proposed technology corresponds to the direction of federal programs "Housing", "My house."
  
   To be continued
  

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