RU2016146529A - METHOD OF FACTORY PRODUCTION OF PRODUCTS FROM POLYSTYREN CONCRETE OF HIGH QUALITY BY SPECIAL TECHNOLOGY - Google Patents

METHOD OF FACTORY PRODUCTION OF PRODUCTS FROM POLYSTYREN CONCRETE OF HIGH QUALITY BY SPECIAL TECHNOLOGY Download PDF

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RU2016146529A
RU2016146529A RU2016146529A RU2016146529A RU2016146529A RU 2016146529 A RU2016146529 A RU 2016146529A RU 2016146529 A RU2016146529 A RU 2016146529A RU 2016146529 A RU2016146529 A RU 2016146529A RU 2016146529 A RU2016146529 A RU 2016146529A
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psb
products
concrete
mixture
pvg
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RU2016146529A
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Russian (ru)
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RU2688329C2 (en
RU2016146529A3 (en
Inventor
Виктор Алексеевич Рахманов
Владислав Иванович Мелихов
Сергей Кузьмич Казарин
Алексей Владимирович Юнкевич
Дмитрий Владимирович Митюгов
Константин Анатольевич Сидоренко
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Общество с ограниченной ответственностью "Научно-исследовательский, проектно-конструкторский и технологический институт "ВНИИжелезобетон"
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Priority to RU2016146529A priority Critical patent/RU2688329C2/en
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • C04B16/08—Macromolecular compounds porous, e.g. expanded polystyrene beads or microballoons
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • C04B40/0032—Controlling the process of mixing, e.g. adding ingredients in a quantity depending on a measured or desired value

Claims (12)

Способ заводского изготовления изделий из полистиролбетона (ПСБ) марок по средней плотности D150-D350 с использованием полистирола вспененного гранулированного (ПВГ), характеризующегося комплексным безразмерным показателем качества «n» в пределах 1,5-1,75, минерального вяжущего, комплексных добавок (воздухововлекающих и модифицирующих) и воды, подогретой до температуры не более 70°C, перемешиваемых в бетоносмесителях, с последующей укладкой смеси в формы и ускоренным твердением изделий под пригрузом с давлением не менее 30 г/см2 в пакетируемых термоформах, отличающийся тем, что для получения в изделиях прочностей ПСБ в интервале от марки М2,5 до класса В1,5 используется комплекс дополнительных технологических приемов (спецтехнология), предусматривающих: применение в качестве вяжущего портландцемента активностью (Rц) и не менее 45 МПа; использование ПСБ смеси оптимизированного состава с относительным объемным содержанием ПВГ ϕ в пределах 0,38-0,55 (в долях от 1); применение для приготовления ПСБ смеси герметичных бетоносмесителей типов «Юникон-1500» или «Юникон-1200», перемешивающих смесь под давлением сжатого воздуха не менее 3 ати; обеспечение при дозировании и перемешивании ПСБ смеси автоматического контроля и коррекции по компьютерной программе содержания компонентов с отклонением от заданных расходов в пределах ±0,5% по весу; использование для формования ПСБ изделий смесей подвижностью П2-П4, подаваемых из бетоносмесителя в формы сжатым воздухом по гибкому шлангу; твердение распалубленных изделий без принудительной тепловой обработки под полиэтиленовой пленкой.A method of factory manufacturing products of polystyrene concrete (PSB) grades of medium density D150-D350 using granular polystyrene foam (PVG), characterized by a complex dimensionless quality index "n" in the range of 1.5-1.75, mineral binder, complex additives (air-entraining and modifying) and water, heated to a temperature not exceeding 70 ° C, stirred mixers, followed by laying the mixture into molds and rapid hardening prigruzami products under a pressure of not less than 30 g / cm 2 of packaged ermoformah, characterized in that for obtaining a product DPM strengths ranging from brand to M2,5 V1,5 used class set of additional technological methods (Spetstechnology) providing: use of Portland cement as a binding activity (R i) and not less than 45 MPa ; the use of PSB mixtures of optimized composition with a relative volumetric content of PVG ϕ in the range of 0.38-0.55 (in fractions of 1); the use for the preparation of PSB of a mixture of sealed concrete mixers of the Unicon-1500 or Unicon-1200 type, mixing the mixture under compressed air pressure of at least 3 ati; providing, when dosing and mixing PSB, a mixture of automatic control and correction according to a computer program of the content of components with a deviation from the specified costs within ± 0.5% by weight; use for molding PSB products of mixtures with mobility P2-P4 supplied from the concrete mixer to the molds with compressed air through a flexible hose; hardening of the dismantled products without forced heat treatment under a plastic film. 2. Способ получения ПСБ изделий по п. 1, отличающийся тем, что для оптимизированных составов ПСБ удельный расход цемента (в кг/м3) подсчитывается по формулам2. The method of producing PSB products according to claim 1, characterized in that, for optimized PSB compositions, the specific consumption of cement (in kg / m 3 ) is calculated by the formulas
Figure 00000001
Figure 00000001
 где ρПСБ - расчетная плотность полистиролбетона (в кг/м3);where ρ PSB is the estimated density of polystyrene concrete (in kg / m 3 ); ρПВГ - средняя плотность гранул ПВГ, значение которой составляют 12-15 кг/м3;ρ PVG is the average density of PVG granules, the value of which is 12-15 kg / m 3 ; Кв - коэффициент выхода бетонной смеси при формовании ПСБ изделий, величина которого находится в пределах 0,95-1,03;To in - the output coefficient of the concrete mixture during the molding of PSB products, the value of which is in the range of 0.95-1.03; Кг - коэффициент гидратации цемента при твердении ПСБ, изменяющийся в пределах 0,14-0,24.To g - coefficient of hydration of cement during hardening of PSB, varying in the range of 0.14-0.24. При этом прочность (RПСБ в МПа) и плотность (ρПСБ) ПСБ, изготовленного по спецтехнологии, определяются по формулам:In this case, the strength (R PSB in MPa) and the density (ρ PSB ) of the PSB manufactured by special technology are determined by the formulas: RПСБ=0,3Rц(0,6-ϕ)2(1+Кг)2(Ц/В-0,03)(1-ϕ)n-2,R PSB = 0.3R c (0.6-ϕ) 2 (1 + K g ) 2 (C / B-0.03) (1-ϕ) n-2 ,
Figure 00000002
Figure 00000002
 где Rц - активность портландцемента в МПа;where R c is the activity of Portland cement in MPa; Ц/В - цементно-водное отношение ПСБ смеси.C / B is the cement-water ratio of the PSB mixture.
RU2016146529A 2016-11-28 2016-11-28 Method of prefabricated manufacturing of high-quality polystyrene concrete products using special technology RU2688329C2 (en)

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* Cited by examiner, † Cited by third party
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RU2770960C1 (en) * 2020-11-10 2022-04-25 Общество с ограниченной ответственностью "Научно-исследовательский, проектно-конструкторский и технологический институт ВНИИжелезобетон" External heat-saving fireproof shell of a building made of polystyrene concrete enclosing structures

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US4040855A (en) * 1975-08-04 1977-08-09 Rady Pentek Arthur A Manufacture of lightweight concrete
RU2090532C1 (en) * 1993-11-11 1997-09-20 Всероссийский федеральный научно-исследовательский и проектно-конструкторский технологический институт строительной индустрии "ВНИИжелезобетон" Method of preparing polystyrene concrete mix
RU2230717C1 (en) * 2002-11-10 2004-06-20 Оао Технологический Институт "Вниижелезобетон" Construction-heat insulation, environmentally safe polystyrene-concrete, method of manufacturing products therefrom, and method of erecting heat-effective protecting structures of buildings therefrom according to "unikon" system
RU2223931C1 (en) * 2003-01-28 2004-02-20 Наумейко Анатолий Васильевич Polystyrene/concrete products' manufacture process
RU2254310C1 (en) * 2003-12-18 2005-06-20 Общество с ограниченной ответственностью "МИСИ-КБ" (ООО "МИСИ-КБ") Method of manufacturing heat-insulation products
RU2515664C2 (en) * 2012-06-01 2014-05-20 Закрытое Акционерное Общество "Научно-исследовательский, проектно-конструкторский и технологический институт "ВНИИжелезобетон" Heat-insulating constructive polystyrene concrete

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