RU2496950C2 - Device to join building structures - Google Patents

Abstract

FIELD: construction.

SUBSTANCE: device to join elements of building structures by means of rope braces comprises joined structures with through channels of cylindrical or conical form and grooves in one of them and connection bushings in the other one, and flexible braces from the rope pulled through the specified holes and screwed into the connection bushings and facilities for fixation of rope brace ends in the specified grooves, bushing keys with inserts from rolled iron. Facilities of brace ends fixation are made as capable of controlled force of rope tension by means of a helical joint. Cavities in joined structures in assembled condition are filled with fine-grained concrete, the brace rope may be freely located in channels in joined structures, or holes may be partially or fully filled with a "cement paste". Steel inserts in the specified bushing keys have through holes in walls for provision of even filling of the bushing key cavity with the cement paste as it is injected into the bushing key cavity, and paste injection may be performed via one of holes in the insert walls.

EFFECT: reduced labour intensiveness of assembly, increased reliability and strength of joined structures due to availability of rope brace tension control under impact and seismic loads, reduction of requirements to accuracy of assembly.

2 cl, 11 dwg

Description

The invention relates to the field of construction, namely the construction of buildings for public purposes and residential buildings.

A device for connecting elements of building structures by means of ropes, containing connected structures with through channels and recesses in each of them and ropes passed through these holes and means for fixing the ends of the ropes in these recesses (Russian patent RU No. 2072408, IPC E04B 1/38, 1994).

This technical solution is the closest to the invention, therefore, taken as a prototype.

The disadvantages of the prototype are the lack of reliability due to the lack of the possibility of tensioning the ropes, the presence of restrictions on their diameter due to the need to form a loop from the rope around the anchor outlets of building elements, increased flexibility of the joint, due to the curved shape of the rope in the concrete site.

The objective of the invention is to increase the strength of the connection to seismic loads and also to prevent progressive collapse, increase the reliability of the connection of building structures, the possibility of compression of the sealing material in the joints of the panels of the outer walls, reducing the amount of work to monolize joints.

EFFECT: reduced assembly laboriousness, increased joint strength under seismic loads, and progressive collapse, the possibility of crimping the sealing material at the joints of the external walls by adjusting the forces in the connecting elements.

The technical result from the use of the claimed technical solution is to reduce the complexity of the assembly, increase the reliability and strength of the connected structures due to the adjustment of the tension of the connecting element, the possibility of crimping the sealants at the joints of the universality of the technical solution allowing to connect walls, ceilings, and also ceilings with each other reducing requirements for the accuracy of installation of structures.

The following are general and particular significant features characterizing the causal relationship of the invention with the specified technical result.

A device for connecting building structures 1, 2 by means of a flexible connecting element 3, containing connected structures with cylindrical or conical channels and recesses in one of them, connecting sleeves with anchor rods in another, flexible connecting elements placed along the length of the joint, means for fixing the ends of the element , while the axis of the channels are aligned with the axes of the connecting sleeves.

Flexible connecting elements 3 are passed through these channels 4 and are connected to bushings 8 on the one hand, and on the recess side are fixed with washers 10 and nuts 11. The flexible connecting element in Fig. 9 consists of a piece of rope 16, both ends of which are pressed into tubular bushings 7 and 9, at the ends of the bushings have a thread 15, at the ends of the slot 17. The presence of a thread 15 at the end of the bushings 7, 9 allows you to use the nut to adjust the tension force of the rope 16. The presence of the slot 17 serves to prevent the sleeve from turning when tightening the nut. The sleeve 8 in figure 10 consists of a sleeve with a thread 15 and anchor rods 18 attached to the sleeve (anchor rods are not shown in the figures). Anchor rods 18 may have a different shape. To transmit shear forces at the ends of the building structure, dowels 14 are provided in Figs. 7, 8. The dowels are reinforced with steel elements 13 in the form of pipe sections of square section. A hole 19 in FIG. 11 is provided in the pipe walls for injecting cement-sand paste into the cavity of the key, and holes 20 for uniformly filling the key cavity with paste. The gap between the ends of the connected building elements is taken equal to the permissible mounting gap between the elements of the considered category of structures. To protect the connecting elements from corrosion, the recesses in the concrete are filled with fine-grained concrete, the seam is stained with mortar.

The invention is illustrated by drawings, where: in Fig.1 shows a diagram of the angular connection of the outer walls of a panel building (1-1 plan, view A, view I); figure 2 is a diagram of an ordinary connection of the outer walls of a panel building 2-2 plan); figure 3 presents the connection diagram of four intersecting internal walls

(5-5 plan); figure 4 presents the connection diagram of the three panels of the internal walls; figure 5 presents a diagram of the connection of internal walls, adjacent floors vertically through the ceiling; Fig.6 shows a diagram of the connection of floor slabs to each other in a horizontal plane; figure 7 shows the layout of the keys when connecting walls located in the same plane; on Fig shows a layout of the keys when connecting walls located at an angle to each other; figure 9 shows the design of the flexible connecting element 3 Assembly; figure 10 shows the design of the connecting sleeve with anchor rods.

Comparison of the claimed technical solution with the prior art known from the scientific, technical and patent documentation as of the priority date in the main and related sections did not reveal a tool that has features that are identical to all the features contained in the claims proposed by the applicant, including the purpose of the application. That is, the set of essential features of the claimed solution was not previously known and is not identical to any known technical solutions, therefore, it meets the condition of patentability “novelty”.

This technical solution is industrially applicable, since its purpose is indicated in the description of the application and the title of the invention, it can be manufactured industrially and used for the construction of multi-storey panel houses.

The technical solution is workable, feasible and reproducible, and the distinguishing features of the device allow to obtain the desired technical result, i.e. are significant.

The invention in the form as described in each of the claims can be carried out using the tools and methods described in the prototype, which became public until the priority date of the invention. Therefore, the claimed technical solution meets the condition of patentability "industrial applicability".

The device is implemented as follows.

Basement floors are mounted. The first panel of the external wall is mounted in accordance with the project of work. The panel is fixed by struts (not shown in the diagrams). Flexible connecting elements 3 are inserted into the channels 4 at the end of the panel. The next panel is mounted in the joint with the previous one. The alignment of the channel 4 and the connecting sleeve 8. The discrepancy in their mutual arrangement is canceled due to the flexibility of the rope 16 of the flexible connecting element 3. The panel is temporarily fixed by braces (not shown). The end sleeve 7 of the flexible connecting element 3 through the recess in concrete 6 is fed to the connecting sleeve 8 and screwed into it using a ring wrench. A distribution washer 10 is put on the end sleeve 9 of the flexible connecting element and the nut 11 is screwed. Calibration pads (not shown) are installed in the vertical seam between the panels. The nut 11 is tightened so that when tightening the nut 11 the end sleeve 9 does not scroll around the axis at its end there is a notch 17 (Fig. 9) into which the fixing device (not shown) is inserted. Next, inserts 13 are installed in the slots for the keys 14 (Fig. 7, Fig. 8), the formwork is installed on the slots 14 and the cement-sand paste is injected into the key cavity. For a more uniform filling of the cavities between the concrete nests 14 and the inserts 13 in the walls of the latter, holes 19 are provided (in FIG. 11). Concrete recesses 5 and 6 are filled with fine-grained concrete. Next, the panels are installed in accordance with the project of work.

In the case when an elastic sealing gasket 19 is inserted between the vertical ends of the panels (in FIG. 1), the above-mentioned calibration gaskets (not shown) are not installed and the elastic gasket 19 is compressed by tensioning the nuts 11. Similarly mounted panels of the inner walls 2 in figure 3 and figure 4.

Before installing the floor slabs in the connecting sleeves 8 (in Fig. 5), flexible connecting elements 3 are screwed on the ends of the mounted wall panels. After this, the floor slabs are mounted 12. The overlappings 12 (in Fig. 5) are installed on the mortar layer and mounting gaskets to ensure horizontalness installation of plates. In this case, the flexible connecting elements 3 protrude above the floor slabs. The recesses in concrete 5 floor slabs at the locations of the flexible connecting elements 3 are filled with concrete. Plates of overlap 12 (Fig.6) are interconnected by flexible connecting elements 3 similar to the connection of the walls. The walls of the next floor 2 are installed on the flexible connecting elements protruding above the floor slabs, the washers 10 are installed and the nuts 11 are tightened, the recesses 5 and 6 are filled with concrete. Thus, with the help of the flexible connecting element 3, the walls, the floor slabs, the walls of the upper floor and the walls are connected downstairs floor. In general, a geometrically unchanged spatial structure of the building is formed.

In case of damage to building structures of the house, recesses 5, 6 are cleaned to replace them, nuts 11 are unscrewed, flexible connecting elements are removed or cut, damaged structural elements of the structure are replaced, without destroying adjacent structures. Using the invention allows to reduce labor costs for assembly, to ensure the reliability and safety of buildings and structures in emergency situations, allows you to restore damaged structural elements.

Claims (2)

1. A device for connecting elements of building structures by means of flexible connecting elements, comprising connected structures with through channels of a cylindrical or conical shape and recesses in one of them and connecting sleeves with anchor rods in another, stretch marks from a rope passed through these holes, means for fixing the ends stretch marks in these recesses, keys, reinforced with steel inserts, characterized in that the flexible connecting elements are placed along the length of the junction of the connected when connecting the building structures end-to-end, the aforementioned holes in them are aligned with the axes of the connecting sleeves, and the indicated means of fastening the ends of the stretch marks from the rope are made with the possibility of adjusting the tension of the rope by means of a screw connection in the form of a threaded tip made with a slot from the side of its free end, while the opposite end of the rope is pressed into the tip formed by a tubular element with a thread at the end, and the threaded part of the tip is screwed tsya in the coupling sleeve, wherein the ratio of the channel diameters and the rope provides a connection in the event of misalignment of the axes of the channel in the concrete and the coupling sleeve. 2. The device according to claim 1, characterized in that for the transmission of shear forces at the ends of the building structure, dowels are provided, which are reinforced with steel elements in the form of pipe sections of square cross section, while a hole is provided in the pipe walls for injecting cement-sand paste into the cavity of the dowel , and holes for uniformly filling the key cavity with paste.

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