SU1067161A1 - Method of constructing a massive ferroconcrete structure of complex shape - Google Patents

Abstract

METHOD OF CONSTRUCTION OF MASSIVE REINFORCED CONCRETE STRUCTURE OF COMPLEX CONFIGURATION, including installation of formwork, reinforcement, concreting and dismantling of formwork, from-. characterized by the fact that, in order to expand technological capabilities, reduce labor costs for formwork and reduce the cost of formwork; after the concrete has hardened, a molding cavity is created in it for the erected structure by removing part of the concrete with processing the formed surface with a primer leveling layer and applying a separating layer, after which reinforcement is placed into the molding cavity and the hardened mixture is laid, and the remaining part of the concrete is removed after dismantling the formwork. (L O5 05

Description

The invention relates to the construction and can be used in the construction of reinforced concrete structures with complex spatial curvature configuration, such as circular monuments. There is a known method of erecting a massive reinforced concrete structure of complex configuration, including installation of formwork, reinforcement, concreting and hardening of concrete and dismantling formwork 1. The disadvantages of the known method are the high cost of formwork for individual design and manufacturing and relatively high labor intensity of the formwork work required, and individual fitting formwork elements, and narrow technological capabilities of the method. The purpose of the invention is the expansion of technological capabilities, reducing labor costs for formwork and lowering the cost of formwork. The goal is achieved by the fact that according to the method of erecting a massive concrete structure with a complex configuration, including installation of an on-board, reinforcement, concreting and dismantling of the form, after the concrete has hardened, a molding cavity is created for the building by removing part of the concrete with the formed surface with primer .m leveling with a layer of a separating layer on it, after which reinforcement is placed into the molding cavity and the hardening mixture is placed, and the rest of the concrete I gave removed after dismantling the formwork. FIG. 1 showing the erected structure, view; in fig. 2 - initial, ethane construction of a structure; in fig. 3 shows the node I in FIG. 2; in fig. 4 - ready-made structure before dismantling onalubki and removing concrete from the surface of the structure; in fig. 5 - section B - B in FIG. 4. The method of smallpox is described as follows. After the geodesic breakdown of the erected structure 1 and its division into concrete concretions, formwork 2 is installed, fixed with struts 3 and strands 4, then the formwork space 5 is filled with concrete 6, pre-installed in it, if necessary, auxiliary reinforcement 7, as well as sheathed with sheet material, frame boxes 8, which, after concreting the corresponding trough, are removed. This significantly reduces the consumption of concrete mix, as well as reduces the amount of work associated with the subsequent creation of the molding cavity 9. Thereafter, the concrete mix is chosen to create a molding tile that corresponds to the configuration of the structure to be erected, using special patterns for contouring. outlines of the concreted part. The surface of the created molding nolbsti 9 is treated by applying a primer 10, leveling 11 and separating 12 layers. After installation of the supporting reinforcement 13, the molding base with the pre-installed hollow cores 14 is filled with a hardening mixture, leaving for the splicing of the output of the supporting reinforcement 15 to the reinforcement of the subsequent parts of the structure of the erected structure. As a concrete mixture, a fine-grained cement-unbreakable grade 10-25 mortar with the addition of lime can be used, which can be easily processed during the period of curing. As a hardening mixture to make a massive structure, concrete can be used on a large granite fill and high-cement cement. The application of a priming and leveling layer, which is used for construction plaster, to the surface of the concreted space, is done using a spatula and trowel. Liquid glass, used as a separating layer, preventing adhesion of the concrete mix with the surfaces of the concrete to be concreted. It is applied by means of small-scale mechanization (spray guns, spray guns). The operations of erecting the subsequent parts of the structure are repeated until the complete erection of the structure, after which the formwork is dismantled, and the hardened mixture is removed from the surface of the structure with the help of small-scale mechanization. The proposed method allows to reduce labor costs for formwork work by 35-45% and reduce the cost of formwork by a factor of 2-3 in comparison with the nanototylm. 5 P 15

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Claims (1)

METHOD FOR CONSTRUCTING A MASSIVE REINFORCED CONCRETE CONSTRUCTION STRUCTURE OF COMPLEX CONFIGURATION, including formwork installation, reinforcing, concreting and dismantling of formwork, characterized in that, in order to expand technological capabilities, reduce labor costs for formwork and reduce the cost of formwork, after the concrete forms in it, the flooring hardens in it for the construction being constructed by removing part of the concrete with the treatment of the formed surface with a priming leveling layer and applying a separation layer on it, after whereupon the reinforcement is installed in the molding cavity and the hardening mixture is laid, and the rest of the concrete is removed after dismantling the formwork. SU „„ 1067161