At the beginning of the 19th century balconies usually arranged in a mansion on the second floor. Most often, they were made of wooden structures with their own vertical supports. In the second half of the 19th century the use of cast-iron and steel struts rail rolling. Balcony plates are in the form of brick svodikov on rails. In tenement houses balconies began to carry out the scheme on the console (embedded in the masonry exterior walls), departure balconies declined.
At the beginning of the 20th century in the construction of a new material - concrete. Supporting structures balconies as steel beams cantilevered embedded in the masonry. Filling the balcony slabs of concrete performed (rubble mixed with concrete, rebar steel rod in the form of a knitted mesh).
In the mid-60 ÷ early 70s. 20th century 5-storey buildings with brick walls were used precast concrete balcony slabs, cantilever embedded in the masonry (250 mm).

Keywords: construction, structural systems, walls, balconies, beams, sealing, coving, method

In this paper we propose basic geometric, mass and electrical parameters of the element for collection of static electricity from the surface of the textile. This element is a reversible electrochemical charge storage system based on nanostructured nickel oxide and carbon cloth. Element has a planar structure, it is flexible, lightweight, safety and ergonomic. Proposed element can be used as a power source for the Microsystems technique in "smart clothes".

Keywords: "smart clothes", microsystems technique, static electricity, supercapacitor, composite material NiO/C

The techniques generate a directivity diagram a slot antenna array with variable polarization. The results of calculation the characteristics of radiation for an array dimension 4x4 elements.

Keywords: AESA, microstrip antennas, spacecraft, remote sensing of the earth.

We consider a one-step part (B, S) - a market with an infinite number of states. The first part of the article deals with modeling of random behavior of an infinite number of aggressive buyers of the shares in the financial market. There will be described one way to exit the buyers of shares on the market, the gap between the announcement of the share price. In the second part of the article presents the procedure hedge payment obligation (bp), which uses interpolation of incomplete full-arbitrage market economies (Haar interpolation method).

Keywords: Stochastic basis, financial market, martingale measure,the weakened property of the universal Haar uniqueness, self-financing portfolios, capital of portfolio, contingent claim.

This work deals with the study of atomic and electronic structure of kaolinite samples (Glukhovtsy deposit) and montmorillonite (Millerovsky deposit) by density functional theory. The applicability of existing exchange-correlation potential in the local density approximation (LDA) and the generalized gradient approximation (GGA) is analised for an adequate description of the physical properties of layered aluminosilicate. An experimental and theoretical study of the IR spectra of minerals, as well as the identification of the most intense absorption bands, performed in the approximation of DFT using the exchange-correlation potential PW91. The analysis of the band structure of these minerals, which showed that these compounds are direct-gap insulators.

Keywords: DFT, clay, clay minerals, phyllosilicates, atomic and electronic structure, crystalline systems, IR spectrum band strukutra, the electron density

This work deals with the integrated study of the composition and structural characteristics of the rock-forming minerals in Millerovsky bentonite clay. The qualitative and quantitative analysis of the clay samples is made by X-ray diffraction , X-ray photoelectron spectroscopy and thermal analysis . The morphological and microstructural features of minerals are investigated by scanning electron microscopy. The application of the method of direct theoretical calculation of the diffraction patterns is showm to determine the crystal-chemical parameters of the studied minerals. The results are aimed at explaining a number of physical and chemical properties of layered aluminosilicate.

Keywords: clays, clay minerals, layered silicates, x-ray diffraction, crystalline systems

The problem of utilization of iron ore tailings . The prospects of iron ore mining in the Russian underground . A method for extracting iron from tailings to 9 % of the original content, by mechanochemical processing. The results of particle size distribution , chemical and mineralogical analyzes of samples collected waste ferruginous quartzites LGOK . Experiments were carried out using the methods of planning optimal experiments , Box-Behnken and included 24 experience. Obtained according to the content of metal recovery in the leach solution of sulfuric acid , sodium chloride , rotor speed and the ratio of disintegrant liquid and solid phases. This dependence allows to determine the optimal parameters of technology in terms of " metal recovery ." The resulting secondary processing of tailings to be used in the manufacture of hardening mixes for stowing as an inert filler and binder counterpart .

Keywords: tailings, mechano-chemical activation, iron ore, ferruginous quartzites, metal recovery

The problem of the engineering of servo-driver of control of the fuel pump of autonomous diesel generator characterized by alternating frequency rotation of shaft, which can be applied to power supply of remote areas and autonomous objects, is urgent in science because of the lack of studying. The urgency of the engineering of such servo-driver is defined by means of the fact, that their application as a part of autonomous diesel generator allows to receive essential economy of fuel and to prolong motor potential of electric power station.The engineering of the flow sheets of diesel generator based on a synchro generator and characterized by alternating frequency rotation of shaft. The engineering of the flow sheet and algorithm of operation for intellectual servo-driver of control of the fuel pump of autonomous electric power station characterized by the lowered fuel consumption. In article materials of the state contract № 16.526.12.6016 on 11.10.2011 are used

Keywords: electric power station, diesel generator, synchrogenerator, converter.

The question of the diagnosis of the state of building structures using non-destructive testing. These methods allow to predict the condition of structures to prevent accidents and, therefore, increase the service life of structures. The main objective of the study - assessment of changes in the vibration mode shapes method for the detection of structural damage , in the absence of forced uploading. The article describes the implementation of a mathematical method of vibration identification and localization of lesions of metal trusses . The results of the calculation for fault location triangular steel truss.

Keywords: Vibration diagnostics, fault detection, diagnosis, construction construction spans, trusses, trusses, defect, damage, vibration, localization, identification

Tendencies of technological improvement of electronic chips led to reduction of their sizes, weight, development of functionality and decrease in power consumption. It allows us to discuss questions of developing renewable micro power sources which can provide power supply of autonomous microelectronic and micro circuitry systems for charge indication, paying attention to snow transfer, etc. 
The purpose of the paper is researching a profile of electrostatic field potential in the mountain district which was estimated as a possible use as a renewable micro power source.
It is found out that on windward sides of snow relieves the potential of electrostatic field exceeds three times to a similar  indicator for lee sides and is 80 V.  The potential is 3,5kV on polymeric surfaces (Nylon, teflon).   

Keywords: snow storming electricity, electrization, potential of electrostatic field, charge, the salting, the loaded particles of snow, innovation electronics, micro circuitry, renewable micro power sources.

The results of computational experiments to determine the characteristics of the porous piezoelectric ceramics based on the methodology, including the effective modules method, simulations of representative volumes on a simple random method and the method of Witten-Sander, finite element method to solve static piezoelectric problems for heterogeneous composite media and the accounting of inhomogeneous polarization near the pores are presented. A comparison of the results of computer simulation with the known experimental data for the porous material PZT-4 and its analogs is realized. It is concluded that the accounting of inhomogeneous polarization in the vicinity of porous provide the better agreement between numerical results and large number of known experimental data. Thus, for most effective constants the smallest errors are obtained for a representative volume of the porous piezoelectric material, constructed by Witten-Sander method.

Keywords: piezocomposite, porous piezoelectric ceramics, inhomogeneous polarization, mathematical modelling, models of representative volumes, finite element method, effective moduli

The solution of vibration problem for multilayered half plane with cavity of arbitrary shape is constructed using boundary element method. For the case of relatively much sunken cavity an asymptotic representations for fundamental solutions is used. The results of problem simulation for displacement and stress fields close to cavity surface are given using boundary element method

Keywords: multilayered environment, cavity of arbitrary shape, asymptotic analysis, boundary element method

"Dynamic mode of heat exchangers is typical for a number of technological thermal plants , as well as air-heating systems , ventilation, and air conditioning. Technologically predetermined control algorithm operating mode heat exchangers in practice implemented by means of manual or automatic adjustment in one or more control parameters . Obviously, the most efficient in the energy and technically and economically dynamic mode control algorithm of the heat exchanger can be detected only in the form of a review of the relevant mathematical model. In this paper we consider a mathematical model of the dynamic operation of the system of heat exchangers with natural air circulation . As input parameters are considered the temperature of hot and cold air streams. Modeled by changing the inputs are heat exchangers and the extent to which these changes will not affect the operation of the entire system. In order to keep the temperature at the i- MOT has not changed , the coefficient of variation should tend to zero , since all the other quantities are limited by technical parameters of the system . By changing the values ​​of the input parameters is analyzed mass flow of hot flow limits are changing the output parameters of the preceding heat exchangers that will not change the entire system ."

Keywords: heat loss into the environment, the starting temperature of the hot (cold) flow, the final temperature of the hot (cold) flow, the range of variation of hot, cold flow

The short review of existing panoramic systems are given. The limits of such systems doesn't allow to form a panoramic video with dealing the parallax effect in real-time systems. The presented algorithm for forming a panoramic video is free of these disadvantages. An algorithm based on mathematical model of the round-view system that takes into account the location of cameras, their intrinsic parameters and model of the world. The algorithm includes following chain of coordinate transformation: from panoramic image coordinates to spherical coordinates and to Cartesian world coordinate system, from world coordinates to camera coordinate system and to input image coordinates. Geometric distortion of camera is dealt. Model of the world is represented as spherical and a hemispherical surfaces.

Keywords: panoramic image, round-view video system, camera model, camera distortion, parallax

The article is devoted to the comparative analysis of the applied traditional sand-salt mixture on the base of chloride natrium and sand and new icestorm composition on the basis of natural minerals: chloride magnesium (bischofite) and glauconite. Advantages of application of the ecological composition are educed on the objects of travelling economy on ecological, sanitary-epidemiology and technical indexes. The reagent on the basis of natural materials will promote safety of travelling motion.

Keywords: icestorm reagent, sand-salt mixture, objects of travelling economy, ecological, technical safety