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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



 International  Building  Exhibition  BAU


  In Munich at the new fair complex international exhibitions "BAU". Following the exhibition was a statistical study, which compares "BAU" with the previous exhibition "BAU". Below we publish the results of this study , as well as some ideas of the author.


   About 200,000 visitors from 86 countries - a figure indicates a new phase of the Market ;

   proportion of specialists among visitors increased to 94% in total - increased presence of first-tier leadership "decisive competence " ;

   Exhibitors and visitors expressed a high degree of achievement of their goals and gave the exhibition "BAU" best estimates , calling it the leading international trade fair building materials industry .

   Evaluation of the current situation in the exhibition industry and its prospects became clearly more favorable in relation to the state of the market than it followed from earlier forecasts of market research institutes . Thus, according to results of a survey conducted by the institute Infratest Burke, 82% ( 13 % ) of the respondents positively assess visitors current situation in the industry. Its further development is also viewed positively in 76% ( 15 %) cases. On the part of exhibitors 88% of the surveyed firms estimate the market positively. Welcomed the further development of 84% ( 7 %) participants.

   During the exhibition "BAU" in its halls excellent atmosphere reigned largely absorbed the functionality and comfort the spirit of the New Munich Trade Fairs . So , the premiere presentation of the industry of building materials in the new Munich fair territory was rated 91 % of visitors to the " excellent- good" . Crucial to this were including completeness and breadth proposals , the presence of market leaders , clarity of sentence structure and international exhibitors. Innovative feature "BAU" confirmed as 74 % ( 4 %) of professional visitors , indicating that the fair received information about various innovations. The overwhelming majority of visitors definitely fair confirmed the leading position in Europe. Documented this is reflected in increased 8% share of visitors from European countries. As proof of an international character "BAU" can be interpreted as the result of the survey, according to which 98 % of the foreign participants in the exhibition were able to establish contacts , including with foreign specialists.

   In terms of composition and specialization visitors share construction / finishing ( 42%) and trade in building materials (13 %) remained consistently high . Noteworthy was the fact that the share of architects. They came to 2,000 more than the previous fair two years ago. Thus, this is important for the selection and application of building materials group reached the target of 10% share of the total number of visitors.

   According to their own figures , visitors galore advantage of extensive information on the proposal "BAU" in the various special shows and seminars : 6% of respondents reported , for example, participated in ClasKon, 7th Innovation Forum on glass, architecture and technology in the International Congress Centre Munich (ICM). Much attention is also attracted Forum GDI Planer, 4th German Day Facade , Forum building chemistry "Planning . Practice . Right " , Marketing Forum , Day of German trade in construction materials and the 7th Day Bavarian Engineer. First competition conducted a special magazine " World of Construction " - " My first house" , which was attended by 350 architects from all over Europe , was also evaluated as a complete success and should be continued in the " Construction " .

   The main promising areas that dominated the exhibition and can be implemented in Russia and the CIS are:

   application of advanced systems building and construction ;

   new solutions in the modernization of buildings and structures ;

   use of new designs of ventilated facades for panel houses first mass ;

   The use of new high-performance thermal insulation and energy-saving materials ;

   use of lightweight wall materials made from recycled industrial waste;

   introduction of new kinds of glass and ceramics.

   It is important to emphasize that the most important goals as a fair 91 % of respondents named the participants to establish new business relationships , 87% - to maintain existing , 84% - further training and business presentation of your company and products, and 53 % - the conclusion of specific transactions .

   Was set at a high level of readiness to re- participate in the exhibition in two years - 90% of participants.