CN217299853U

CN217299853U - Connecting structure of inner support sleeve of shear wall with super-large section

Info

Publication number: CN217299853U
Application number: CN202221189509.1U
Authority: CN
Inventors: 陈万同; 姚鑫; 吴锦辉; 朱昭
Original assignee: China Construction Seventh Engineering Division Corp Ltd
Current assignee: China Construction Seventh Engineering Division Corp Ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-08-26
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a stay bushing connection structure in super large cross-section shear force wall relates to building engineering technical field, mainly includes interior stay sleeve pipe, counter-pull screw rod, shear force wall mould. The inner supporting sleeve is arranged between the shear wall molds on the two sides of the shear wall, the opposite-pulling screw rods are detachably connected with the shear wall molds on the two sides, and the opposite-pulling screw rods and the shear wall molds together play a role in stably supporting the shear wall molds on the two sides and play the same effect as a plain concrete inner supporting strip or a welded short steel bar; inside the bracing sleeve pipe including the setting of split screw rod, play the guard action to the split screw rod, prevent to congeal the phenomenon that can't take out as an organic whole to split screw rod and shear force wall, collect stay and split screw rod sleeve pipe in an organic whole in the shear force wall, simple and easy practicality need not the extravagant time welding short reinforcement, has improved the efficiency of construction, has solved the problem that the reinforcement mode of shear force wall influences construction quality and efficiency among the prior art.

Description

Inner support sleeve connecting structure of shear wall with super-large section

Technical Field

The utility model relates to a building engineering technical field especially indicates a brace bushing connection structure in super large cross-section shear force wall.

Background

In recent years, with the rapid development of the building industry, people continuously impact the high-altitude field and continuously refresh the new height of the world, and the development of modern super high-rise buildings such as bamboo shoots in spring after rain is all the better. The design of the super high-rise tower is mostly in a structural form of a frame and a core tube, and the design section size of a core tube shear wall is generally more than 500 mm; the reinforcing mode of the core tube shear wall directly influences the quality and cost of construction.

For the inner stay and the sleeve of the shear wall with the section size larger than 500mm, the traditional mode is generally the mode of adding a PVC sleeve to a plain concrete inner stay or welding a short steel bar inner stay and a PVC sleeve, and the two modes have the following defects: 1. when the shear wall template is reinforced, the stay bars in the plain concrete are easy to break due to overlarge length, so that the section size of the shear wall cannot be ensured after the concrete is formed; 2. although the welding of the short steel bar inner stay can ensure the section size of the shear wall, the welding amount is large, and the construction efficiency is low; 3. in the shear wall concrete pouring process, the PVC casing pipe is easy to deform and break due to overlong length and insufficient strength, so that after the concrete pouring is finished, the counter-pulling screw cannot be pulled out for repeated use, and the counter-pulling screw needs to be manually cut off subsequently, so that the construction turnover material tool is wasted and the cost is increased; 4. the inner stay and the sleeve are two unrelated components, and workers need to place the inner stay and the sleeve twice during construction, so that the construction efficiency is low.

SUMMERY OF THE UTILITY MODEL

Not enough to among the above-mentioned background art, the utility model provides a stay bushing connection structure in super large cross-section shear wall has solved the problem that the reinforcing mode of shear wall template influences construction quality and efficiency among the prior art.

The technical scheme of the utility model is realized like this: the utility model provides a prop bushing connection structure in super large cross-section shear force wall, is including establishing the shear force wall mould in shear force wall both sides, and the shear force wall mould is corresponding with the interior sleeve pipe that props that runs through the shear force wall, and the intraductal screw rod that is equipped with of internal stay is to drawing, and the shear force wall mould of drawing the screw rod both ends respectively with both sides can be dismantled and be connected.

Preferably, the shear wall mold is provided with a screw hole, the inner support sleeve corresponds to the screw hole, and two ends of the counter-pull screw respectively penetrate through the screw holes of the shear wall molds on two sides and are fixed through the locking piece.

Further, interior sleeve pipe that props includes the JDG pipe, and JDG pipe both ends are fixed to be equipped with interior cup opening that props, and the external diameter that passes the JDG pipe and to the screw rod that draws is less than the JDG pipe internal diameter to the screw rod that draws.

Specifically, the inner supporting cup opening comprises an inner cup opening and an outer cup opening, the inner cup opening is fixedly connected with the JDG pipe, and the inner cup opening is connected with the outer cup opening through a ring plate. And a reinforcing rib is arranged between the inner cup mouth and the outer cup mouth and fixedly connected with the annular plate.

Preferably, a rubber pad is arranged between the inner cup opening and the outer cup opening.

Preferably, the ring plate is connected with the shear wall die through screws.

Preferably, the outer diameter of the mouth of the outer cup is 2-3 cm larger than the inner diameter of the screw hole. Further, the JDG pipe is a galvanized steel pipe with the thickness of 3 mm. Furthermore, a gasket is arranged between the locking piece and the shear wall die.

The utility model has the advantages that: the internal stay sleeve is arranged between the shear wall molds on the two sides of the shear wall, the counter-pulling screw rod is detachably connected with the shear wall molds on the two sides, and the counter-pulling screw rod and the shear wall molds on the two sides jointly play a role in stabilizing and supporting the shear wall molds on the two sides and play the same effect as a plain concrete internal stay or a welded short steel bar; the split screw is arranged in the inner support sleeve, so that the protection effect on the split screw is achieved, the phenomenon that the split screw and the shear wall are integrated into a whole and cannot be drawn out is prevented, the split screw is integrated with the inner stay of the shear wall and the split screw sleeve, the split screw is simple and practical, short steel bars do not need to be welded in a waste time, and the construction efficiency is improved; meanwhile, the further inner support sleeve is composed of a galvanized steel pipe with the thickness of 3 mm and an inner support cup opening, on one hand, the galvanized steel pipe with the thickness of 3 mm improves the protection capability on the counter-pulling screw rod, also improves the stability of the supporting structure, can effectively ensure the section size of the shear wall and the counter-pulling screw rod can be drawn out for repeated use, ensures the construction quality of the shear wall and saves the cost, and the inner support cup opening can also play a role in preventing slurry leakage from influencing the construction quality; the problem of among the prior art shear force wall's reinforcement mode influence construction quality and efficiency is solved.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of the structure of the inner supporting cup mouth of the present invention;

fig. 3 is a schematic structural view of the rubber pad installed at the inner supporting cup opening of the utility model.

In the figure: 1: shear wall, 2: shear wall mold, 3: internal stay sleeve, 4: oppositely pulling a screw rod, 5: retaining member, 6: JDG tube, 7: inner supporting cup mouth, 8: inner cup mouth, 9: outer cup mouth, 10: ring plate, 11: reinforcing rib, 12: and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, in embodiment 1, an inner supporting sleeve connection structure of a shear wall with an ultra-large cross section includes shear wall molds 2 arranged at two sides of the shear wall 1, an inner supporting sleeve 3 is arranged between the shear wall molds 2 and penetrates through the shear wall 1, a counter-pull screw rod 4 is arranged in the inner supporting sleeve 3, and two ends of the counter-pull screw rod 4 are detachably connected with the shear wall molds 2 at two sides respectively. The inner supporting sleeve is arranged between the shear wall molds on the two sides of the shear wall, the opposite-pulling screw rods are detachably connected with the shear wall molds on the two sides, and the opposite-pulling screw rods and the shear wall molds together play a role in stably supporting the shear wall molds on the two sides and play the same effect as a plain concrete inner supporting strip or a welded short steel bar; stay and counter-pull screw sleeve pipe in an organic whole, simple and easy practicality need not the extravagant time welding stub bar, have improved the efficiency of construction including the setting of counter-pull screw rod, play the guard action to the counter-pull screw rod, prevent to congeal the phenomenon that can't take out as an organic whole to the counter-pull screw rod with the shear force wall, collect the shear force wall in the stay with to the counter-pull screw sleeve pipe in an organic whole.

When the embodiment is applied and the shear wall is built, the shear wall molds are arranged on two sides of the shear wall to be cast, the split screw rods are sleeved with the inner supporting sleeves, two ends of the split screw rods are connected with the shear wall molds on the two sides respectively, and two ends of the inner supporting sleeves are in contact with the shear wall molds to achieve a supporting effect.

In the embodiment 2, on the basis of the embodiment 1, the shear wall mold 2 is provided with screw holes, the inner support sleeve 3 corresponds to the screw holes, and two ends of the counter-pull screw 4 respectively penetrate through the screw holes to the shear wall molds 2 on two sides and are fixed by the locking member 5, wherein the screw holes are formed in the shear wall molds 2. The locking member 5 is preferably a nut threadedly coupled to the counter-pulling screw.

Furthermore, a gasket is arranged between the locking piece 5 and the shear wall die 2. Set up the gasket, can increase the area of contact of retaining member and shear force wall mould, cause the destruction to the shear force wall mould when avoiding locking.

When the embodiment is applied, when the split screw is connected with the shear wall die, the end part of the split screw penetrates through the shear wall die through the screw hole, so that the two ends of the inner support sleeve are both contacted with the shear wall die, and the two shear wall dies are locked by matching the locking pieces arranged at the two ends of the split screw and the inner support sleeve.

As shown in fig. 2, in embodiment 3, based on embodiment 2, the inner supporting sleeve 3 includes a JDG pipe 6, in this embodiment, the JDG pipe 6 is a galvanized steel pipe with a thickness of 3 mm, the strength of the inner supporting sleeve can be ensured by the thickness of 3 mm, and the galvanized steel pipe is a consumable material for a construction site, which can reduce the cost increase caused by stockpiling of the consumable material. 6 both ends of JDG pipe are fixed and are equipped with interior cup opening 7, pass JDG pipe 6 and are less than 6 internal diameters of JDG pipe to the external diameter that draws screw 4 to the drawing screw can easily penetrate and wear out the JDG pipe.

Further, interior rim of a cup 7 that props includes interior rim of a cup 8 and outer rim of a cup 9, interior rim of a

cup

8 and 6 fixed connection of JDG pipe, connect through crown plate 10 between interior rim of a cup 8 and the outer rim of a cup 9, wherein, the length of interior rim of a cup is greater than the length of outer rim of a cup, interior rim of a cup, outer rim of a cup, JDG pipe one end aligns, it is inseparabler to laminate with the shear force wall mould after the installation is accomplished, interior rim of a cup sets up longer length can increase with the area of being connected of JDG pipe, the intensity of connecting is improved, crown plate 10 establishes the one end of outer rim of a cup and interior rim of a cup unaligned, outer rim of a cup tip and the outer annular face of crown plate are connected, the annular face is connected with interior rim of a cup middle part in the crown plate, concrete enters between rim of a cup and the outer rim of a cup when avoiding pouring concrete. Be equipped with strengthening rib 11 between interior rim of a cup 8 and the outer rim of a cup 9, strengthening rib 11 and crown plate 10 fixed connection, strengthening rib 11 can play the reinforcing effect to the structure, and a plurality of strengthening ribs are along between rim of a cup outer wall and the outer rim of a cup inner wall including circumferential connection. The outer diameter of the outer cup opening 9 is 2-3 cm larger than the inner diameter of the screw hole, so that the covering effect on the screw hole can be improved, and slurry leakage can be prevented better.

As shown in fig. 3, in example 4, a rubber pad 12 is provided between the inner cup mouth 8 and the outer cup mouth 9 in addition to example 3.

In this embodiment, the rubber pad is arranged, so that when the inner support cup rim is in contact with the shear wall mold, the rubber pad is in close contact with the shear wall mold, and the leakage-proof effect of the inner support cup rim is improved.

Example 5, on the basis of example 3, the ring plate 10 is connected with the shear wall mold 2 through screws. The mounting screws are used, the screws can penetrate through one side of the shear wall mold, penetrate through the reinforcing ribs and penetrate into the ring plate to be locked, and also can penetrate through one side of the ring plate and penetrate into the shear wall mold again through gaps between the adjacent reinforcing ribs to be locked.

In the embodiment, a rubber pad is not needed, the inner supporting cup opening is directly connected with the shear wall die through the screw, the annular plate is stressed through the screw, and then the inner cup opening, the end part of the outer cup opening and the shear wall die are tightly attached together through pressure test, so that a sealing effect is achieved, and slurry leakage is prevented.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a support sleeve connection structure in super large cross-section shear force wall which characterized in that: the shear wall mold comprises shear wall molds (2) arranged on two sides of a shear wall (1), wherein the shear wall molds (2) correspond to inner support sleeves (3) penetrating through the shear wall (1), opposite-pulling screw rods (4) are arranged in the inner support sleeves (3), and two ends of the opposite-pulling screw rods (4) are detachably connected with the shear wall molds (2) on the two sides respectively.

2. The connecting structure of the inner support sleeve of the ultra-large section shear wall according to claim 1, characterized in that: the shear wall mold (2) is provided with a screw hole, the inner support sleeve (3) corresponds to the screw hole, and two ends of the counter-pull screw (4) penetrate through the screw holes to form the shear wall molds (2) on two sides and are fixed through the locking pieces (5).

3. The inner support sleeve connecting structure of the ultra-large section shear wall according to claim 2, characterized in that: interior sleeve pipe (3) that props includes JDG pipe (6), and JDG pipe (6) both ends are fixed to be equipped with interior cup opening (7) that props, and to drawing screw rod (4) and pass JDG pipe (6) and be less than JDG pipe (6) internal diameter to the external diameter that draws screw rod (4).

4. The inner support sleeve connecting structure of the ultra-large section shear wall according to claim 3, characterized in that: interior cup rim (7) that props is including interior cup rim (8) and outer cup rim (9), interior cup rim (8) and JDG pipe (6) fixed connection, connect through crown plate (10) between interior cup rim (8) and the outer cup rim (9).

5. The ultra-large section shear wall inner support sleeve connecting structure according to claim 4, characterized in that: and a reinforcing rib (11) is arranged between the inner cup mouth (8) and the outer cup mouth (9), and the reinforcing rib (11) is fixedly connected with the annular plate (10).

6. The inner support sleeve connecting structure of the ultra-large section shear wall according to claim 5, characterized in that: a rubber pad (12) is arranged between the inner cup opening (8) and the outer cup opening (9).

7. The inner support sleeve connecting structure of the ultra-large section shear wall according to claim 5, characterized in that: the ring plate (10) is connected with the shear wall die (2) through screws.

8. The ultra-large section shear wall inner support sleeve connecting structure according to claim 6 or 7, characterized in that: the outer diameter of the outer cup mouth (9) is 2-3 cm larger than the inner diameter of the screw hole.

9. The inner support sleeve connecting structure of the ultra-large section shear wall according to claim 8, characterized in that: the JDG pipe (6) is a galvanized steel pipe with the thickness of 3 mm.

10. The inner support sleeve connecting structure of the ultra-large section shear wall according to claim 9, characterized in that: and a gasket is arranged between the locking piece (5) and the shear wall die (2).