Stroitel`nye Materialy №12

Table of contents

MT45 is a New Generation of Ventilators for Tunnel Dryers of the Italian Firm Marcheluzzo Impianti.................12

S.V. DUGUEV, Candidate of Sciences (Engineering) (; V.B. IVANOVA Candidate of Sciences (Engineering) OOO «Bi.El.Spectr» (10, Erino poselok, Ryazanovskoye poselenie, 142102 Moscow, Russian Federation)

The Use of Modified Pigments and Dry Suspensions on Their Base in Production of Coloured Silicate Brick

OOO «Bi.El.Spectr» develops and produces synthetic modified pigments (PSM), dry pigmented suspensions and eco-friendly building paints. These paint materials made it possible for the company, under conditions of tough competition, to enter the market of building materials and continue its activities till the present time with annual increasing production volumes. Using the means and methods of mechanical and chemical treatment in combination with purposeful modification with contemporary chemical additives, the company develops paint compositions for application in various building materials with the use of a variety of technologies.

Keywords: pigments, colouring of silicate brick, silicate materials, coloured silicate brick.

G.V. KUZNETSOVA, Engineer, ( Kazan State University of Architecture and Engineering (1, Zelenaya Street, 420043 Kazan, Russian Federation)

A Lime Binder for Wall Silicate Products from Chippings of Rock Crushing

The study of a binder on the basis of lime for producing silicate press-formed products with the use of chippings of rock crushing has been conducted. Lime binders without additives and with additives of quartz sand and crushed rock are considered. It is established that the use of the lime-siliceous binder is an economical variant and ensures strength properties at minimal binder consumption. Artificial sands have continuous granulometric composition, but the content of dust-type components is high. The presence of a fine ground compo nent in the sand makes it possible to use the direct technology with the use of ground lime as a binder without additives. The lime straight binder produced according to the direct technology of silicate press-formed articles production ensures the required adobe strength, but does not guarantee the autoclave strength. Studies of the binder for sands of rock crushing on the basis of the rock itself and quartz sand according to the traditional technology of silicate extruded articles production are presented. The lime-siliceous binder ensures both adobe and autoclave strengths. The lime-siliceous binder makes it possible to use any sands of rock crushing chippings ensuring strength properties. It is propose to replace the traditional scheme of removal of rock crushing waste by organization of production of silicate wall materials through the production of lime from rock and supply of quartz sand to the place of waste generation.

Keywords: sand, chippings, rocks, silicate brick, strength, activity.

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2. Kuznetsova G.V., Morozova N.N., Golosov A.K. Waste of crushing of rocks as silicic component in production of a silicate brick. Social and economic and environmental problems of mining industry and power. Collection of works of the international scientific conference. Minsk- Tula-Donetsk. 2013. Vol. 2, pp. 401–405. (In Russian).
3. Bizyaev O.Yu., Marmandyan V.Z., Rzhankova N.B., Meznin A.O. Mechanical Divider of Crushed Stone Samples. Stroitel'nye Materialy [Construction Materials]. 2011. No. 5, pp. 51–52. (In Russian).
4. Trautvain A.I., Yadykina V.V., Gridchin A.M. Improvement of Reactionary Capacity of Fillers as a Result of Grinding. Stroitel'nye Materialy [Construction Materials]. 2010. No. 12, pp. 82–85. (In Russian).
5. Sheler R. Project of plant on production of a silicate brick of LASCO firm. Stroitel'nye Materialy [Construction Materials]. 2008. No. 11, pp. 33–35. (In Russian).
6. Zager I.Yu. Yashin'kina A.A., Andronova L.N. Compara tive Assessment of Rock Crushing Products from Non- Metallic Building Materials Deposits of the Yamalo-Nenets Autonomous Okrug. Stroitel'nye Materialy [Construction Materials]. 2011. No. 5, pp. 84–86. (In Russian).
7. Simagin V.G., Kameneva E.E. Use of waste of crushing of rocks as the artificial bases of the bases in Karelia. Izvestiya Samarskogo nauchnogo tsentra Rossiiskoi akademii nauk. 2009. Vol. 11. No. 1, pp. 227–229. (In Russian).
8. Kuznetsova G.V., Morozova N.N. Problems of Replacement of Traditional Technology of Silicate Brick with Preparation of a Lime- Siliceous Binder by Direct Technology Stroitel'nye Materialy [Construction Materials]. 2013. No. 9, pp. 14–17. (In Russian).

A.YU. STOLBOUSHKIN1, Candidate of Sciences (Engineering) (, A.I. IVANOV1 Engineer; G.I. BERDOV 2, Doctor of Sciences (Engineering) (; V.A. SYROMYASOV1 , Engineer; M.S. DRUZHININ3, Student (
1 Siberian State Industrial University (42, Kirov Street, Kemerovo region, Novokuznetsk, 654007, Russian Federation)
2 Novosibirsk State University of Architecture and Civil Engineering (113, Leningradskaya Street, Novosibirsk, 630008, Russian Federation)
3 Saint-Petersburg State University of Civil Engineering (4, 2nd Krasnoarmeyskaya Street, St. Petersburg, 190005, Russian Federation)

Influence of the Material Composition of Filler from Fuel Combustion Waste on the Formation of a Gas-Ash Concrete Cellular Structure

The results of the investigations of ash from combustion of coal waste in the swirl heat-power units as a filler for gas-ash concrete are presented. It is established that ash in its material composition with low content of carbon can be used for manufacture of building materials with a cellular structure. The criteria for acceptable content of residual carbon in ash, influenc ing the structure formation and operating ability of the products from gas-ash concrete are defined. When hardening the gas concrete mixture with the ash filler containing carbon in the amount of not more than 2 wt. %, during the formation of the solid phases, the generation crystals needles of ettringite reinforcing interporous partitions and increasing the strength of a gas-ash concrete up to 6 MPa takes place.

Keywords: ash, waste coal, gas-ash concrete, cellular structure.

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4. Bagryantsev V.I., Brovchenko S.A., Podol’skii A.P., et al. Development of the aggregate and technology for ef ficient burning of disperse coal waste in a rotating flow of air. Vestnik SibGIU. 2013. No. 4, pp. 36–41. (In Russian).
5. Stolboushkin A.Ju., Karpacheva A.A., Temljancev M.V., et al. Examination of the ash from carbon-containing waste combustion in the vortex furnaces as technogenic raw material for cellular concrete. Vestnik KuzGTU. 2014. No. 5, pp. 85–90. (In Russian).
6. Mysatov I.A. Study of basic regularities formation of macrostructure in large arrays of aerated concrete. Cand. Diss. (Engineering). Leningrad. 1971. 165 p. (In Russian).
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8. Goldstein J. Scanning electron microscopy and X-ray microanalysis, 3rd ed. New York: Springer Science + Business Media. 2003. 690 p.

G.R. BUTKEVICH, Candidate of Sciences (Engineering) ( Research and Design Institute for Extraction, Transportation and Processing of Mineral Raw Materials in Building Materials Industry (1, Volokolamskoe Highway, Moscow, 125080, Russian Federation)

U.S. Industry of Non-Metallic Building Materials at Current Stage

Information about the state of the non-metallic building materials industry in the USA and forecasts of its development for the coming years are presented. Variants of new technological solutions are shown on the example of large companies-manufacturers of NMBM.

Keywords: non-metallic building materials (NMBM), self-propelled processing complex, dragline, mechanical shovel, development forecast.

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I.P. KUZNETSOV1, Commercial Director; A.A. DEMIN2, Doctor of Sciences (Engineering); V.G. KUZNETSOV 1, President; E.V. KOCHETOV2 , Candidate of Sciences (Engineering)
1 «As-Tik KP» OOO (16, Teterinskiy Lane, Moscow, 109004, Russian Federation)
2 The Moscow State University of Civil Engineering (26 Yaroslavskoye Highway, Moscow, 129337, Russian Federation)

Enhancement of Technological Capabilities of Excavating Equipment of Mining Enterprises Due to the Use of New Types of Working Equipment

Design concepts of the working equipment enhancing technological capabilities of excavating machinery of mining enterprises including those operating under conditions of moist sticky faces are presented. Design enhancements can be realized both in the course of development of new machines under the factory conditions and in case of modernization of the existing park of excavators under mining enterprises conditions.

Keywords: design concepts, working equipment of excavating machinery, eliminating the soil sticking, lining PPFP-Astiki.

1. Kuznetsov V.G., Novikova T.N., Kuznetsov I.P., Kochetov E.V., Demin A.A. Polimernye protivonalipayushchie futero vochnye plastiny-Astiki – effektivnoe reshenie problemy us traneniya nalipaniya uvlazhnennykh materialov na rabochie poverkhnosti oborudovaniya [Polymer anti-adhering lining plates -Astiki - effective solution to eliminate sticking moist material into the working surface of the equipment]. Moscow: «Nadezhda na Yartsevskoi». 2013. 79 p.

D.V. ORESHKIN, Doctor of Science (Engineering), V.S. SEMENOV, Candidate of Science (Engineering), P.V. KAPTSOV, Engineer Moscow State University of Civil Engineering (26, Yaroslavskoe shosse, Moscow, 129337, Russian Federation)
Product Properties of Lightweight Extruded Fine-grained Concrete Mixes Under deformation and Destruction

Product properties of extruded fine cement concrete with hollow glass microspheres ( HGMS ) are presented . Effectiveness of the use of hollow microspheres as a filler for lightweight concrete are shown. To improve the properties of such concrete the authors proposed to use extrusion technology . The studies were conducted according to standard test methods . The compositions of fine-grained light extruded concrete and their basic properties are presented . Deformation characteristics of fine-grained light extruded concrete with HGMS - spe cific energy values deformations and destruction of concrete , elastic modulus are given. It has been established that the extruding reduces the water requirement of the concrete mix ture with the microspheres , promotes the compacting of the concrete structure , the concrete strength and fracture toughness increases significantly. The results of X-ray diffraction of light extruded fine concrete are given. It is shown that after extrusion crystallization of cement stone structure increases , the degree of hydration increases as well . Technology for pro ducing lightweight extruded fine-grained cement concrete with HGMS are developed .

Keywords: hollow microspheres , fine-grained concrete , lightweight concrete , extrusion , fracture toughness.

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N.N. CHERNOUSOV, Candidate of Sciences (Engineering) (, R.N. CHERNOUSOV, Candidate of Sciences (Engineering), A.V. SUKHANOV, Engineer, Lipetsk State Technical University (30, Moskovskaya Street, 398600 Lipetsk, Russian Federation)

Research in Mechanics of Operation of Fine-Grained Slag Concrete under Axial Tension and Compression
To determine the physical-mechanical characteristics of the slag concrete, select the dependences and parameters for calculation of structural elements by diagram methodology the tests of fine-grained slag concrete under axial tension and compression were conducted. The results of tests and diagrams of slag concrete deformation are presented. On the basis of experimental data, dependences connecting such characteristics of the fine-grained slag concrete as tensile strength, initial tangent modulus, ultimate relative strains under tension and compression were obtained through the cube strength. The dependence recommended by EKB-FIP is accepted for describing diagrams of fine-grained slag concrete deformation.

Keywords: fine-grained slag concrete, initial tangent modulus, ultimate relative strains, concrete deformation diagram.

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2. Chernousov N.N., Chernousov R.N., Sukhanov A.V. Modeling of strength and deformation properties of fine- grained sand-cement concrete under axial tension and compression. Stroitel’nye Materialy [Construction Materials] 2013. No. 10, pp. 12–14. (In Russian).
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6. Panfilov D.A., Pishulev A.A., Gimadetdinov K.I. Review of existing strain diagrams of concrete in compression in domestic and foreign regulations. Promyshlennoe i grazhdanskoe stroitel’stvo. 2014. No. 3. pp. 80–84. (In Russian).

V.V. KHAKHINOV (, Doctor of Sciences (Chemistry), O.V. IL’INA, Engineer Baikal Institute of Nature Management, Siberian branch of RAS (6, Sakhyanovoy Street, 670047, Ulan-Ude, Russian Federation)

Polymeric Composite Materials on the Basis of Polyamide-Benzimidazoles

A possibility of using polymeric composite materials (PCM) on the basis of polyamide-benzimidazoles in the construction industry is considered. Conducted studies of PCM properties show that the developed compositions of composites have an improved fire-, thermal-, wear-, and chemical resistance in combination with high physical-mechanical indices that can be used in a wide range of temperature and aggressive media of chemical and biological origin under the simultaneous or complex impact of various external factors. The composites have operational durability, high adhesion to different surfaces and a number of other properties which can give new types of prospective materials of building industry to production. The interrelation between polymer structures and operational characteristics, which improves physical and chemical parameters of PCM due to modification of polymer structures, is estab lished. The technology of producing materials stable to aggressive media and temperature drops has been developed; their operational suitability for climatic conditions of Siberia and Far North was assessed; efficiency of additives under the heat and ultra-violet impact on properties of composites was revealed.

Keywords: building materials, polymeric composites, thermal resistance.

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M.G. BRUYAKO1, Candidate of Sciences (Engineering) (, D.V. KRAVTSOVA1, Engineer; V.V. YURCHENKO2, General Manager; V.G. SOLOV’EV 1, Candidate of Sciences (Engineering), V.A. USHKOV1 , Candidate of Sciences (Engineering)
1 Moscow State University of Civil Engineering (26, Yaroslavskoe Highway, Moscow, 129337, Russian Federation)
2 OOO «Spetsstroi INZh» (15, Izmailovo Highway, Moscow, 105318, Russian Federation)

Effect of Raw Materials Processing with Low Temperature Non-Equilibrium Plasma on Properties of Building Mortars

As a result of studies carried out it is established that the plasma-chemical treatment of Portland cement reduces the normal consistency of cement paste by 15–17% and accelerates the time of setting in 3–4 times. Treatment of thе mixing water in low temperature non-equilibrium plasma units reduces its hardness and favours the formation of additional crystalliza tion centers. Adding the treated water in sand-cement mortars increases the speed of strength generation in the early stages of hardening by up to 50% and their strength by up to 30% at the age of 28 days. Plasma-chemical treatment of a fine grained filler reduces the specific surface and surface square of quartz sand pores with a simultaneous transition of the crys tal structure of quartz to amorphous one, at the same time the water demand of the treated sand reduces by 10–18%. Plasma-chemical treatment of raw materials can be used at exist ing enterprises of building industry for improving the quality of production and reducing the energy consumption for its manufacturing.

Keywords: low temperature plasma, cement-sand mortars, Portland cement, quartz sand, mixing water.

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A.I. PANCHENKO, Doctor of Sciences (Engineering), A.F. BUR’YANOV, Doctor of Sciences (Engineering), V.G. SOLOV’IEV, Candidate of Sciences (Engineering), N.V. KOZLOV, Engineer (, S.A. PASHKEVICH, Candidate of Sciences (Engineering) Moscow State University of Civil Engineering (26, Yaroslavskoye Highway, 129337 Moscow, Russian Federation)

Complex Assessment of Efficiency of Using Gypsum Binder of Enhanced Water Resistance

A complex assessment of physical-mechanical properties, durability and cost of a gypsum bunder of enhanced water resistance on the basis of industrial waste containing semi hydrous gypsum, carbide lime slurry, bio-silica, sodium tetraborate (borax), super-plasticizer C-3 and concrete on its basis has been made. Results of the physical-mechanical tests of this material made it possible to conclude that the achieved level of performance meets requirements for materials of enveloping structures. The deformation parameters of claydite- concrete with gypsum binder of enhanced water resistance on the basis of industrial waste, according to preliminary data, correspond to the average level of cement concretes of an equal class. In addition, this binder solves the environmental problem – utilization of large-tonnage anthropogenic waste of acetylene production – and improves the economic effi ciency of its use.

Keywords: multi-component gypsum binder, complex hydraulic additive.

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