Transverse joint structure of steel pipe-double-faced laminated shear wall

Abstract

The utility model discloses a steel pipe-double-sided laminated shear wall transverse node structure, which comprises a building wall unit, a plurality of steel pipes, two lower-layer shear wall laminated plates, two upper-layer shear wall laminated plates, prefabricated floor slabs, a plurality of steel pipe connecting pieces, a plurality of steel pipe connecting pieces, a plurality of steel pipe connecting pieces and a plurality of steel pipe connecting pieces, a node space is formed between the lower-layer shear wall laminated slab and the upper-layer shear wall laminated slab; the node component comprises a prefabricated batten installed on the other lower-layer shear wall laminated slab, a node inner stirrup and a node inner longitudinal steel bar, the node inner stirrup and the node inner longitudinal steel bar are installed in the node space, the prefabricated batten is provided with a transverse connecting rib, and the transverse connecting rib penetrates through the node inner stirrup and the node inner longitudinal steel bar and then extends outwards to the upper portion of the prefabricated floor slab. The two ends of the longitudinal steel bars in the joint are fixed to the rectangular steel pipes. After the node structure is adopted, a formwork does not need to be erected and disassembled, the purpose of accelerating the construction progress can be achieved, the integrity and stability of the structure are enhanced, and the problem that the formwork is prone to deviating, pulling and shifting is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of steel pipe-double-face superimposed shear wall transverse node structure, belong to the field of prefabricated building construction. BACKGROUND

[0002] In the field of prefabricated building construction, when the existing steel pipe concrete-double-face superimposed plate composite shear wall is constructed, the wall top transverse node is often installed after steel pipe, prefabricated wallboard and prefabricated floor, and the construction process of site reinforcement, formwork pouring concrete is adopted, which not only needs frequent formwork and dismantling, increases the workload on site, but also causes node to deviate displacement due to unstable site formwork, and the forming quality and appearance are not good, and longitudinal steel pipe and transverse node do not form effective connection, which is not conducive to the overall structure. SUMMARY

[0003] Based on the above, the utility model provides a kind of steel pipe-double-face superimposed shear wall transverse node structure to overcome the deficiencies of prior art.

[0004] The technical scheme of the utility model is: a kind of steel pipe-double-face superimposed shear wall transverse node structure, comprising:

[0005] Building wall unit, which includes rectangular steel pipe, two lower shear wall superimposed plates and two upper shear wall superimposed plates arranged at intervals between rectangular steel pipes, and prefabricated floor slab installed on a lower shear wall superimposed plate, and node space between the lower shear wall superimposed plate and the upper shear wall superimposed plate;

[0006] Node component, including prefabricated strip plate installed on another lower shear wall superimposed plate, node inner stirrup and node inner longitudinal reinforcement installed at node space, the prefabricated strip plate is provided with transverse connecting rib, the transverse connecting rib is extended to the upper of prefabricated floor slab after passing through the node inner stirrup and node inner longitudinal reinforcement, and the both ends of the node inner longitudinal reinforcement are fixed on the rectangular steel pipe.

[0007] In one example, the prefabricated strip plate is also provided with plate inner open stirrup and plate inner longitudinal reinforcement, and the inner end of the transverse connecting rib is bound to the plate inner open stirrup and plate inner longitudinal reinforcement.

[0008] In one example, the prefabricated strip plate is provided with steel buckle on the upper and lower parts of the end close to the node space.

[0009] In one example, the node space is also provided with U-shaped ring, the bottom of the U-shaped ring is extended to the position between the two lower shear wall superimposed plates downward, and the top of the U-shaped ring is extended to the position between the two upper shear wall superimposed plates upward.

[0010] In one example, the prefabricated floor slab is provided with cast-in-place floor slab.

[0011] The beneficial effects of the utility model are: after adopting the node structure, the concrete pouring can be carried out on site installation, on one hand, the node construction method does not need to support and demolish the formwork, avoids the installation construction to be in the hole, can reach the purpose of accelerating the construction progress and saving the construction cost; on the other hand, the node structure can effectively connect the steel pipe and the wallboard, strengthens the integrity and stability of the building structure, also avoids the problem that the formwork is easy to be pulled and displaced, improves the forming quality.In addition, the structure is connected by the U-shaped ring between the upper and lower two layers, further strengthens the integrity and stability of the building structure; the steel buckle can quickly and accurately complete the installation of the composite wallboard, and the verticality of the wallboard installation is convenient to control. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the sectional view of the transverse node structure;

[0013] Fig. 2 It is the plan view of the transverse node structure;

[0014] Fig. 3 It is the connection schematic diagram of the rectangular steel pipe and the longitudinal steel bar in the node;

[0015] Explanation of reference signs:

[0016] Building wall unit: 11 rectangular steel pipe, 12 lower layer shear wall composite board, 13 upper layer shear wall composite board, 14 prefabricated floor slab, 15 lower layer steel bar truss connection, 16 upper layer steel bar truss connection, 17 prefabricated floor slab connecting rib, 18 longitudinal steel bar, 19 transverse steel bar;

[0017] Node component: 21 prefabricated strip board, 22 hoop in the node, 23 longitudinal steel bar in the node, 24 transverse connecting rib, 25 opening hoop in the board, 26 longitudinal steel bar in the board, 27 steel buckle, 28 U-shaped ring. DETAILED DESCRIPTION

[0018] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the utility model. But the utility model can be implemented in many other ways different from the description, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, therefore the utility model is not limited by the following disclosed specific implementation.

[0019] Please refer to Figs. 1 to 3 The steel pipe-double-face composite shear wall transverse node structure of the embodiment comprises a building wall unit and a node component.

[0020] The floor-wall unit comprises rectangular steel pipes 11, two lower shear wall superimposed plates 12 and two upper shear wall superimposed plates 13 which are installed at intervals between the rectangular steel pipes 11, and a prefabricated floor slab 14 which is installed on the lower shear wall superimposed plate 12, and the lower shear wall superimposed plate 12 and the upper shear wall superimposed plate 13 have a node space therebetween, and the two lower shear wall superimposed plates 12 and the two upper shear wall superimposed plates 13 have pouring spaces therebetween.

[0021] The node component comprises a prefabricated strip plate 21 which is installed on another lower shear wall superimposed plate 12, a node inner stirrup 22 and a node inner longitudinal steel bar 23 which are installed at the node space, and the prefabricated strip plate 21 is pre-buried with a transverse connecting rib 24 which extends outward above the prefabricated floor slab 14 after passing through the node inner stirrup 22 and the node inner longitudinal steel bar 23, and the two ends of the node inner longitudinal steel bar 23 are fixed on the rectangular steel pipe 11, and specifically, the end of the node inner longitudinal steel bar 23 is connected with a nut after passing through the rectangular steel pipe 11, thereby realizing the locking of the end of the node inner longitudinal steel bar 23.

[0022] In order to improve the structural strength, the prefabricated strip plate 21 is further pre-buried with a plate inner open stirrup 25 and a plate inner longitudinal steel bar 26, and the inner end of the transverse connecting rib 24 is bound with the plate inner open stirrup 25 and the plate inner longitudinal steel bar 26. It should be noted that the width of the prefabricated strip plate 21 is the same as the width of the lower shear wall superimposed plate 12.

[0023] In order to facilitate installation, the prefabricated strip plate 21 is provided with a steel buckle 27 on the upper and lower parts of the end close to the node space, and the steel buckle 27 can be a Z-shaped buckle, and the superimposed wall plate installation can be quickly and accurately completed through the steel buckle 27, and the verticality of the wall plate installation can be conveniently controlled.

[0024] In order to ensure the integrity and stability of the structure, a U-shaped ring 28 is further installed at the node space, the bottom of the U-shaped ring 28 extends downward to the position between the two lower shear wall superimposed plates 12 and is connected with a lower steel bar truss 15, and the top of the U-shaped ring 28 extends upward to the position between the two upper shear wall superimposed plates 13 and is connected with an upper steel bar truss 16.

[0025] The construction process of the above-mentioned steel pipe-double-sided superimposed shear wall transverse node structure is as follows:

[0026] After the lower shear wall composite slab 12 is installed, the position of the U-shaped ring 28 is determined by positioning the line, and is fixed with the lower steel bar truss connection 15, then the cavity concrete pouring of the composite slab is carried out, and after the concrete solidification is completed and the human strength is reached, the construction of the node can be carried out. Before the node construction, positioning the line should be carried out first to ensure that the installation construction position is correct. First, the prefabricated strip plate 21 is installed, and is clamped and fixed with the lower shear wall composite slab 12 through the steel buckle 27, and at the same time, the penetration of rainwater into the wall body can be avoided. Second, the prefabricated floor slab 14 is installed, and the prefabricated floor slab 14 includes the prefabricated floor slab connecting bar 17, which is manufactured in the processing factory and is transported to the construction site, one end of the prefabricated floor slab 14 is placed on the lower shear wall composite slab 12, and the remaining part can be reinforced by the on-site back-up measure. Third, the binding construction of the node inner longitudinal steel bar 23, the node inner stirrup 22, and the cast-in-place floor slab inner longitudinal steel bar 26 and the transverse steel bar 19 is carried out. The end of the node inner longitudinal steel bar 23 is threaded by the threading machine, and when the node inner longitudinal steel bar 23 is constructed, the node inner longitudinal steel bar 23 is inserted into the rectangular steel pipe 11 through the reserved hole on the rectangular steel pipe 11, and the end of the node inner longitudinal steel bar 23 is locked and fixed in the rectangular steel pipe 11 by the nut. At this time, the whole node installation construction is completed, and the node and the cast-in-place floor slab concrete pouring can be carried out.

[0027] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the present application. It should be noted that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A transverse node structure for a steel pipe-double-sided composite shear wall, characterized in that, include: The floor wall unit includes a rectangular steel pipe (11), two lower shear wall composite slabs (12) and two upper shear wall composite slabs (13) spaced apart between the rectangular steel pipes (11), and a precast floor slab (14) installed on the lower shear wall composite slabs (12). There is a node space between the lower shear wall composite slabs (12) and the upper shear wall composite slabs (13). The node component includes a precast strip (21) installed on another lower shear wall composite slab (12), a node stirrup (22) installed in the node space, and a node longitudinal reinforcement (23). The precast strip (21) is provided with a transverse connecting bar (24). The transverse connecting bar (24) passes through the node stirrup (22) and the node longitudinal reinforcement (23) and extends outward to the top of the precast floor slab (14). The two ends of the node longitudinal reinforcement (23) are fixed to a rectangular steel pipe (11).

2. The transverse node structure of the steel pipe-double-sided composite shear wall according to claim 1, characterized in that, The precast slab (21) is also provided with an in-slab opening hoop (25) and an in-slab longitudinal steel bar (26), and the inner end of the transverse connecting bar (24) is tied to the in-slab opening hoop (25) and the in-slab longitudinal steel bar (26).

3. The transverse node structure of the steel pipe-double-sided composite shear wall according to claim 1, characterized in that, The precast strip (21) is provided with steel buckles (27) at both the upper and lower parts of the end near the node space.

4. The transverse node structure of the steel pipe-double-sided composite shear wall according to claim 1, characterized in that, A U-shaped ring (28) is also provided at the node space. The bottom of the U-shaped ring (28) extends downward to the position between the two lower layer shear wall composite plates (12), and the top of the U-shaped ring (28) extends upward to the position between the two upper layer shear wall composite plates (13).

5. The transverse node structure of the steel pipe-double-sided composite shear wall according to claim 1, characterized in that, A cast-in-place floor slab is provided on the precast floor slab (14).

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