SU1486583A1 - Method and apparatus for erecting vertical solid ferroconcrete structures - Google Patents

Description

The invention relates to the construction, namely the construction of vertical monolithic reinforced concrete structures of buildings and structures. The purpose of the invention is to simplify the process, reducing the complexity of work and increase reliability. In the method of erection of monolithic reinforced concrete structures, including the device of the formwork 1 closed along the perimeter, reinforcement, laying of the concrete mix, sealing with a self-lifting vibroblock 6 s.

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forming a molded 7 and vertical formwork lifting, the formwork is lifted successively with the concrete mix using two groups of lifts 2, which are combined by the hydraulic system through one section of the concrete structure, for which each lift is attached to the crossbar of the frame 5 from below and arrange it with an elongated cylinder 4, periodically relying on the vibration block 6, which telescopically moves in this cylinder with the permanent placement of its forming plate 7 between the boards of the formwork 1 in the area of concrete laying, and on the top new head vib4

during the lifting of the formwork 1, the piston rod 12 is installed, and the formwork 1 is lifted alternately by each group of lifts 2 as the concrete mix is laid and hardened with the self-lifting vibroblocks 6 from the lower zone to the top of the concrete layer and then when concrete reaches the specified strength re-hoist lifts 2 of the same group on their vibroblocks 6 and disconnect lifts 2 of the second group from their vibroblocks 6 by moving the piston rods 12 up. 1 hp ff, 10 ill.

The invention relates to the construction, namely the construction of vertical monolithic reinforced concrete buildings and structures.

The purpose of the invention is to simplify the process, reducing the complexity of work and increase reliability.

FIG. 1 shows a sliding formwork, a vertical transverse section; in fig. 2 - breakdown of the concreted structure into sections I and II and unification of the lifts using the hydraulic system into groups A and B through one section; in fig. 3 - the end of the preparation of concrete in tier K, in areas I of the concreted structure and the moment of supporting the lifts of group A on the vibroblocks; in fig. 4 - the beginning of the laying of the concrete mix in the lower zone of the tier K with the piston rod raised and the mix compacted by the vibroblocks during the period of work on FIG. 3 at sites II; in fig. 5 - disabled elevators of group A from the “Rise formwork” mode; in fig. 6 - the end of the preparation of concrete at sites II, the lifts of group B, supported on their vibroblocks, during the period of work on FIG. 3; in fig. 7 - the beginning of the laying of the concrete mix in areas I after lifting the formwork to the height of the tier / g ₂ ; in fig. 8 - completion of the formwork lifting to the height of the tier using group B lifts located in sections II; in fig. 9 - the end of the preparation of concrete in areas I in the tier / g ₂ and the end of the support of the lifts of group A through the vibroblocks on the concreted structure; in fig. 10 - the beginning of the laying of the concrete mix in the lower zone of the tier with the compaction of the vibroblocks with the piston rod raised in sections II.

The method is as follows.

First, formwork 1 closed around the perimeter is arranged and lifts 2 are mounted on sections I, II, merging them with hydraulic system 3 into autonomous groups A and B, respectively, through one section. Each lift 2 with an extended cylinder 4

they fix the jacking frame 5 at the bottom of the crossbar. Then, the self-shifting vibration block 6 is telescopically inserted into the elongated cylinder 4, on which intermittently (while lifting the formwork) lift 2 is supported, for this purpose its forming plate 7 is permanently placed between the boards of the formwork 1 in the concrete laying area mixtures of the concrete structure 8 within the lower zone and the upper level of the Λ tier.

In the upper zone of each vibroblock 6, its main working member, the vibrator 9 of directional action, is fixed with a rod 10 and a forming plate 7. At the same time, a head 11 is mounted on the 15 upper zone of the vibroblock 6, on which the piston rod 12 rests in contact during the operation of the elevator 2 in mode "Rise formwork". The head 11 of the work autonomously deactivates the vibrator 9 at the time of its bearing on the piston rod 12 ^m and includes it in operation when the piston rod 12 is lifted above the head 11.

After installation of all the lifts and their connection with the vibroblocks, the concrete mix is alternately fed to sections I and II, and simultaneously with the laying of the mixture in these sections, they are compacted with vibrating blocks 6, which, during their operation in the “Condensation of concrete to a given density” mode, self-move from the bottom to the upper level 30 in each concreted level K due to the effect of directional vibrations of the vibrators 9.

After the installation, compaction and self-movement of vibroblocks in section I of the first tier of Λι, begin construction of structure 8 in sections II of the same tier and, when concrete is set, set form 1 with elevators of group 2, while relying on the vibration blocks of section I.

40 Then, at the completion of the preparation of the concrete mix in areas II of the first tier Κι

and raising the vibroblocks of this area on

upper tier level Κι, and also when reached

Concrete concrete of a given strength is re-formed by formwork 1 from group A lifts to group B lifts by contacting the piston rods 12 with heads 11 in group B, respectively, disconnecting them in group A by lifting pistons 12 to the upper zone of lift 2.

After that, the formwork is lifted by lifts of group B to the next tier L _{2 of the} concreted structure 8, and then in sections I proceed to laying, compaction with self-lifting of vibroblocks of group A and then the process of lifting and concreting is repeated continuously in different sections and tiers of the structure being built.

Claims (2)

Claim 1. A method of constructing vertical monolithic reinforced concrete structures, including mounting a formwork closed perimeter with a hydraulic system and lifts, reinforcing, laying concrete mix, sealing it with self-lifting vibroblocks with a permeable forming plate and lifting the formwork, characterized in that, in order to simplify the process, reduce the labor intensity of work and increase reliability; formwork lifting with the concrete mixture is performed using two autonomous groups of lifts, while the formwork lifting is conducted by alternately as 1486583 6 laying the concrete mix with one group of lifts and compacting the concrete mix with another group of lifts with self-lifting vibroblocks from the lower zone to the top of the concrete layer, and after the concrete reaches the tier of a given strength, they lift the lifts of one group onto the vibroblocks and disconnect the lifts of the second group from the vibroblocks, and after laying the concrete on In the next tier, the process of lifting the formwork is repeated. 2. Device for the construction of vertical monolithic reinforced concrete structures, including a formwork closed around the perimeter, consisting of shields and 5 jacking frames, hydraulic system, lifts and self-lifting vibroblocks with permeable forming plate, characterized in that the lifts are equipped with elongated cylinders and are combined by hydraulic system into two autonomous groups placed alternately around the perimeter of the construction being erected, and self-lifting vibroblocks are telescopically placed in the cylinders of the lifts with the possibility of alternating pyranyl they piston rods of one group £ nN lifts off from work with vibrators vibroblokov when lifting and simultaneous shuttering departing from their piston rods of another group lifts to include vibrators work for laying the concrete mix. five 1486583 Fie.6 1486583 ςΡί / g 7 Fi ?. eight Fig.E f _{and? ten}