SU422708A1 - METHOD OF MANUFACTURING PRODUCTS FROM CONCRETE MIXTURE - Google Patents
METHOD OF MANUFACTURING PRODUCTS FROM CONCRETE MIXTUREInfo
- Publication number
- SU422708A1 SU422708A1 SU1749031A SU1749031A SU422708A1 SU 422708 A1 SU422708 A1 SU 422708A1 SU 1749031 A SU1749031 A SU 1749031A SU 1749031 A SU1749031 A SU 1749031A SU 422708 A1 SU422708 A1 SU 422708A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- mixture
- concrete mixture
- manufacturing products
- concrete
- electric current
- Prior art date
Links
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
1one
Известен способ изготовлени изделий из бетонной смеси, заключающийс в обработке уложенной смеси посто нным электрическим током.A known method of manufacturing products from a concrete mixture, which consists in processing the laid mixture with a constant electric current.
По такому способу обработку посто нным током ведут с дополнительным обжатием формуемого издели . При этом используют подвижные бетонные смеси, что недостаточно эффективно .By this method, the treatment with direct current is carried out with an additional compression of the molded product. In this case, mobile concrete mixtures are used, which is not efficient enough.
Цель изобретени - улучшить физико-технические свойства изделий при ускоренном твердении.The purpose of the invention is to improve the physico-technical properties of products with accelerated hardening.
Это достигаетс тем, что бетонную смесь перед укладкой пластифицируют, например, гидрофильным поверхностно-активным веществом , а обработку посто нным электрическим током осуществл ют с градиентом потенциала 0.,7 в/см толщины издели .This is achieved by the fact that the concrete mixture is plasticized before laying, for example, with a hydrophilic surfactant, and the treatment with direct electric current is carried out with a potential gradient of 0., 7 / cm of product thickness.
Сущность способа заключаетс в том, что, благодар пластификации смеси, снижаетс расход воды затворени при задаппой подвижности , а обработка уложенной смеси посто нным электрическим током нейтрализует действие пластификатора в процессе твердени и ускор ет процесс гидролиза и гидратации . При этом параметры градиента потенциала , равные 0,5ч-1,7 в/см толщины издели , не вызывают электролиза, т. е. разложени жидкой фазы. В результате этого по вл етс возможность экономии цемента с одновременным улучшением коррозионной стойкости, морозостойкости , водонепроницаемости и других свойств бетона.The essence of the method lies in the fact that, due to the plasticization of the mixture, the consumption of mixing water during mobility is reduced, and the treatment of the laid mixture with a constant electric current neutralizes the effect of the plasticizer during solidification and accelerates the hydrolysis and hydration process. At the same time, the potential gradient parameters equal to 0.5–1.7 v / cm of the thickness of the product do not cause electrolysis, i.e., decomposition of the liquid phase. As a result, it is possible to save cement, while simultaneously improving the corrosion resistance, frost resistance, water resistance and other properties of concrete.
Способ осуществл ют следующим образом. Готов т бетонную смесь на портландцементе . В смесь ввод т гидрофильную добавку, например , ССБ в количестве 0,25% от веса цемента . Готовую смесь укладывают в форму и подвергают воздействию посто нного токаThe method is carried out as follows. Prepare the concrete mix on portland cement. A hydrophilic additive is introduced into the mixture, for example, a PRS in an amount of 0.25% by weight of cement. The mixture is placed in a mold and exposed to direct current.
с градиентом потенциала 1,5 в/см толщнкы издели в течение 5-20 мнн. При этом в смеси протекают электрохимические процессы, в результате которых снимаетс тормоз щее действие ССБ и резко возрастает скорость реакций гидролиза и гидратации, а также происходит удаление излишней воды затворени .with a potential gradient of 1.5 V / cm thickness of the product within 5-20 mln. At the same time, electrochemical processes take place in the mixture, as a result of which the inhibitory effect of the PRS is removed and the rate of hydrolysis and hydration reactions sharply increases, as well as the removal of excess mixing water.
Предмет изобретени Subject invention
Способ изготовлени изделий из бетонной смеси, заключающийс в обработке уложенной смеси посто нным электрическим током, отличающийс тем, что, с целью улучшени физико-технических свойств изделий приA method of manufacturing products from a concrete mixture, which consists in treating the laid mixture with a constant electric current, characterized in that, in order to improve the physical and technical properties of the products with
ускоренном твердении, бетонную смесь перед укладкой пластифицируют гидрофильным поверхностно-активным веществом, а обработку посто нным электрическим током осуществл ют с градиентом потенциала 0,5н-1,7 в/смaccelerated hardening, the concrete mixture is plasticized with hydrophilic surfactant before laying, and the treatment with direct electric current is carried out with a potential gradient of 0.5 N-1.7 V / cm
толщины издели .thickness of the product.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1749031A SU422708A1 (en) | 1972-02-16 | 1972-02-16 | METHOD OF MANUFACTURING PRODUCTS FROM CONCRETE MIXTURE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1749031A SU422708A1 (en) | 1972-02-16 | 1972-02-16 | METHOD OF MANUFACTURING PRODUCTS FROM CONCRETE MIXTURE |
Publications (1)
Publication Number | Publication Date |
---|---|
SU422708A1 true SU422708A1 (en) | 1974-04-05 |
Family
ID=20503518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1749031A SU422708A1 (en) | 1972-02-16 | 1972-02-16 | METHOD OF MANUFACTURING PRODUCTS FROM CONCRETE MIXTURE |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU422708A1 (en) |
-
1972
- 1972-02-16 SU SU1749031A patent/SU422708A1/en active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
PT65417B (en) | METHOD FOR PRODUCING FITTINGS OF MATERIAL MATERIAL AND INJECTION MOLDING FOR IMPLEMENTING THIS PROCESS | |
AT327977B (en) | METHOD OF MANUFACTURING REINFORCING BAR FOR PRE-STRAIGHT CONCRETE | |
AT291160B (en) | Method and machine for the production of rotational moldings by rolling | |
CH509139A (en) | Process for the production of hardened plastic moldings | |
CH537878A (en) | Process for treating water baths | |
SU422708A1 (en) | METHOD OF MANUFACTURING PRODUCTS FROM CONCRETE MIXTURE | |
CH439054A (en) | Process for the batch production of fresh concrete and equipment for carrying out the process | |
AT333638B (en) | PROCESS AND EQUIPMENT FOR THE Batch-wise PRODUCTION OF FRESH CONCRETE | |
AT330062B (en) | Process for the production of hardened cement | |
SU637394A1 (en) | Method of manufacturing concrete articles | |
IT1003352B (en) | DEVICE FOR INTRODUCING FINISH GRANULOMETRY TREATMENT PRODUCTS IN MOLTEN STEEL BATHS | |
ATA929374A (en) | METHOD OF MANUFACTURING STEEL BLOCKS | |
SU443009A1 (en) | The method of producing anhydrite cement | |
AT264092B (en) | Process for guaranteeing the complete concrete encasing of the reinforcement and prefabricated parts running through several prefabricated parts for the implementation of this process as well as processes for the production of these prefabricated parts | |
SU583985A1 (en) | Method of manufacturing construction articles | |
SU453380A1 (en) | CELL CONCRETE MIXTURE | |
ATA586373A (en) | PROCESS FOR THE PRODUCTION OF AQUATIC LINKABLE POLYMERISATE DISPERSIONS | |
SU104228A1 (en) | Method of curing and hardening cement bonds | |
FR2283869A1 (en) | Cellular foamed concrete - with reinforcement of wood fibres | |
SU1682175A1 (en) | Method of manufacturing concrete articles | |
CH408082A (en) | Process for the production of steel bars, in particular concrete reinforcing bars | |
SU148344A1 (en) | Method for removing ferrous compounds from clays and kaolin | |
FR2359692A1 (en) | METHOD AND APPARATUS FOR THE TREATMENT OF GYPSUM PLASTER | |
SU1761497A1 (en) | Method of scouring metal molding equipment | |
ATA886472A (en) | PROCESS FOR THE PRODUCTION OF ADDITIVES FOR LIGHTWEIGHT CONCRETE |