German  technology  building  insulation  (2)
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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



 German  technology  building  insulation  (2)

   His work with clients firm builds in the following order:
   - Performs thermal calculations and selection of building type and thickness of insulation, appropriate SHiPu;
   - Performs the calculation of the necessary materials for insulation and building facades, design projects future facades;
   - Participates in the binding sites for project development;
   - Supplies all materials on or warehouse to the customer;
   - Represents the firm Executive contract works or provides training, supervision of construction contracting authorities;
   - Provides a guarantee to the applied system and provides author and technical supervision of the work.
   Developed over the years, the actual cost of one square meters of insulated surface materials ranged from 20 to 48 dollars, depending on the external wall (brick, panel, monolithic concrete, etc.) and the thickness of the insulation. In the Moscow region insulation thickness ranges from 80 to 120 mm.
   Unique experience of external wall insulation office building RAO UES of Russia on the street. Chelomey 5. In order to reduce the total load of the building, which is located above the line of the metro, it was projected with furring and bookmark openings just 0.5 bricks. And outer insulation "RUSKHEKK" (100mm slab thickness) allowed to execute rules SNiP second stage with an annual savings of more than 60 kcal / m per hour.
   External wall insulation technology "RUSKHEKK" allows you to work as mere facades (houses,
   Etazhki 5), and with complex architecturally facades (historical monuments, exclusive building
   etc.). The system allows you to use as decorative elements of any complexity penopolistirolnaja profile.
   For the season of 1999, we plan to obtain approvals for operation on pure domestic production of styrofoam (any number of storeys), thereby greatly reducing the cost of the system will ease the load on the foundation, reduce labor costs.
   Established in Moscow, practice has shown that the cost of 1 sq.m. contractor`s work on the outer insulation of buildings ranging from 15 to 30 U.S. dollars, including forests and curtains in the winter time.
   Using scaffolding work is done "-bay", and only operation gluing insulation - "bottom-up", and all other operations - "top down". The current rate of production was 0.5 sq.m. system / chel.chas.
   "ASI engineering" fixes his
   consulting engineer for each object, and after the completion of the work and the absence of gross violations of technology prepares and issues certificates for the personal right to perform exterior insulation "RUSKHEKK" decorated by both Russian and German side.
   Since February of this year, for the needs of the customers company performs work on measuring the actual value of thermal conductivity walls using a portable instrument "Klimaterm"