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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...

 

 
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 Tehnologies

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  GERMAN TECHNOLOGY INSULATION OF BUILDINGS (1)

  Physical principles of receipt of different materials range of properties. PART 1

  German technology building insulation (2)

  ENERGY TECHNOLOGIES AND MATERIALS

  Physical principles of receipt of different materials range of properties. PART 2

  Revitalization of public science and technology policy in the construction and housing sector. Technology retrofitting first mass

  Revitalization of public science and technology policy in the construction and housing sector. Technology of housing and communal life assurance of cities

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  Critical technologies in construction

  Technology formation of urban formations

  Design technology and construction of buildings in unusual situations

  Technology and equipment for foam concrete by dry mineralization of the foam

  Gipsobazaltovye building products and technology. Part 2

  "Potential moscow universities - interests of the city." Roundtable "Critical technologies in construction."

  Line method of mass reconstruction of a five-story building

  By constructing a pavement with composite edging. Part 1

  Increased strength of brickwork from the presentation of the real results. Part 1

  Line method of mass reconstruction of a five-story building. (END)

  By constructing a pavement with composite edging. Part 2

  Increased strength of brickwork from the presentation of the real results. Part 2

  Information technology for determining the cost of construction products (1)

  Public control - the way to improve safety urban development activities (1)

  By constructing a pavement with composite edging. Part 3

  About the rapid pace of development of the construction industry in China. (1)

  Information technology for determining the cost of construction products (2)

  Public control - the way to improve safety urban development activities (2)

  By constructing a pavement with composite edging. Part 4

  Radio and Television Tower in Vilnius. Part 1

  About the rapid pace of development of the construction industry in China. (2)

  Information technology for determining the cost of building products (3)

  Public control - the way to improve safety urban development activities (3)

  Geophysical processes primers and security. Part 1

  Radio and Television Tower in Vilnius. Part 3

  About the rapid pace of development of the construction industry in China. (3)

  Construction skyscrapers - the requirements of modernity. Part 1

  Information technology for determining the cost of building products (4)

  Public control - the way to improve safety urban development activities (4)

  Geophysical processes primers and security. Part 2

  Radio and Television Tower in Vilnius. Part 3.

  About the rapid pace of development of the construction industry in China. (4)

  Degree project - beginning of the road. (1)

  Construction skyscrapers - the requirements of modernity. Part 2

  Information technology for determining the cost of building products (5)

  Public control - the way to improve safety urban development activities (5)

  Geophysical processes primers and security. Part 3

  Radio and Television Tower in Vilnius. Part 4

  Achieving future engineers architects

  Degree project - beginning of the road. (2)

  Construction skyscrapers - the requirements of modernity. Part 3

  Consortium of engineering and technical audit of the security, reliability, efficiency

  Geophysical processes primers and security. Part 4

  Social aspects of diversification in construction

  Degree project - beginning of the road. (3)

  Construction skyscrapers - the requirements of modernity. Part 4

  Geophysical processes primers and security. Part 5