CN214272528U

CN214272528U - Prefabricated interior partition wall connected node

Info

Publication number: CN214272528U
Application number: CN202023296056.6U
Authority: CN
Inventors: 张剑; 康亦军
Original assignee: Chenzhou Broad Homes Industrial Co ltd
Current assignee: Chenzhou Broad Homes Industrial Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-24
Anticipated expiration: 2030-12-30

Abstract

The utility model provides a wall connected node in prefabrication. The prefabricated inner partition wall connecting node comprises at least two prefabricated inner partition walls, the at least two prefabricated inner partition walls are sequentially spliced, a joint groove is formed in each prefabricated inner partition wall and is located at the tail end, used for splicing, of each prefabricated inner partition wall, and the joint groove is formed by sinking from the end face of the tail end; the joint groove is provided with a small-caliber end and a large-caliber end on the same cross section, the small-caliber end is close to the splicing position of the prefabricated inner partition wall, the large-caliber end is far away from the splicing position of the prefabricated inner partition wall, and cast-in-place concrete is arranged in the joint groove. Compared with the prior art, the utility model provides a prefabricated interior partition wall connected node passes through the mode that tenon fourth of twelve earthly branches form and concrete shrinkage characteristic combined together, and the internal stress of rational utilization concrete forms prevents the pulling force that ftractures, effectively plays the interior partition wall of prefabricated and prevents the effect of ftracturing.

Description

Prefabricated interior partition wall connected node

Technical Field

The utility model relates to an assembly type structure construction technical field especially relates to a partition wall connected node in prefabrication.

Background

In fabricated concrete construction, inter-panel cracking is a common problem. At present, joints of prefabricated internal partition boards are generally reserved with 20mm dry joints, then mortar joints are filled in, pressing grooves are arranged on two sides of each partition wall, then grid cloth is pasted, and finally polymer anti-crack mortar is smeared. Such seam constructions are also prone to cracking due to various factors. Through research and analysis, the main reason that the existing joint mode of reserving the 20mm dry joint cracks is caused by concrete shrinkage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wall connected node in can anti prefabricated of splitting.

The technical scheme of the utility model is that: a prefabricated inner partition wall connecting node comprises at least two prefabricated inner partition walls, wherein the at least two prefabricated inner partition walls are sequentially spliced, each prefabricated inner partition wall is provided with a joint groove, the joint grooves are located at the tail ends of the prefabricated inner partition walls for splicing, and the joint grooves are formed by sinking from the end faces of the tail ends; the joint groove is provided with a small-caliber end and a large-caliber end on the same cross section, the small-caliber end is close to the splicing position of the prefabricated inner partition wall, the large-caliber end is far away from the splicing position of the prefabricated inner partition wall, and cast-in-place concrete is arranged in the joint groove.

In the scheme, by designing the joint groove, the small-caliber end of the joint groove is close to the splicing part of the prefabricated inner partition wall, the large-caliber end of the joint groove is far away from the splicing part of the prefabricated inner partition wall, cast-in-place concrete and the prefabricated inner partition wall are stranded together in the joint groove, and when the concrete shrinks, corresponding tension force can be generated to strain the joint part, so that the anti-cracking effect is achieved.

Preferably, the prefabricated internal partition wall connecting node further comprises a tie bar, and the tie bar extends from the joint groove to the inside of the prefabricated internal partition wall.

Preferably, the prefabricated inner partition wall connecting node further comprises a tie ring, and the tie ring is located in a joint groove of two adjacent prefabricated inner partition walls after splicing.

Preferably, the longitudinal section of the tie bar is U-shaped, and the closed end of the U-shape is located in the seam groove.

Preferably, the extension length of the tie bar in the interior of the prefabricated internal partition wall is greater than that of the seam slot in the interior of the prefabricated internal partition wall.

Preferably, the tie bars and the tie rings are arranged in one-to-one correspondence, and the tie rings are provided with openings for buckling the tie bars.

Preferably, the tie bars and the tie rings are arranged at intervals along the height direction of the prefabricated internal partition wall.

Preferably, epoxy resin glue is arranged at the edge of the splicing part of the two prefabricated internal partition walls. Preferably, the seam connecting groove penetrates through the top of the prefabricated inner partition wall, a composite floor slab prefabricated layer is arranged on the top of the prefabricated inner partition wall, blanking holes are formed in the composite floor slab prefabricated layer, and the blanking holes are located at the splicing position of the two prefabricated inner partition walls; cast-in-place concrete is arranged in the blanking hole.

Compared with the prior art, the beneficial effects of the utility model are that: through the mode that the tenon fourth of twelve earthly branches form and concrete shrinkage characteristic combined together, the internal stress of rational utilization concrete forms prevents the pulling force of ftractureing, effectively plays the effect of preventing ftractureing between the prefabricated interior partition wall.

Drawings

Fig. 1 is a schematic cross-sectional view of a prefabricated internal partition wall connection node provided by the present invention;

fig. 2 is an installation schematic diagram of a prefabricated internal partition wall, a laminated floor prefabricated layer and a laminated floor cast-in-place layer.

In the drawings: 1-prefabricating an inner partition wall, 2-tie bars, 3-tie rings, 4-seam grooves, 5-seams, 6-epoxy resin glue, 7-a composite floor prefabrication layer, 8-blanking holes and 9-a composite floor cast-in-place layer.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1, the prefabricated internal partition wall connection node provided by the present embodiment includes a prefabricated internal partition wall 1, tie bars 2, and tie rings 3. The number of the prefabricated internal partition walls 1 is at least two. And at least two prefabricated internal partition walls 1 are sequentially spliced. Each prefabricated internal partition wall 1 is provided with a joint groove 4, the joint groove 4 is positioned at the tail end of the prefabricated internal partition wall 1 for splicing, and the joint groove 4 is formed by sinking from the end face of the tail end. The joint groove 4 is provided with a small-caliber end and a large-caliber end on the same cross section, the small-caliber end is arranged close to the splicing position of the prefabricated inner partition wall 1, and the large-caliber end is arranged far away from the splicing position of the prefabricated inner partition wall 1.

The longitudinal section of the tie bar 2 is U-shaped, the closed end of the U-shape is positioned in the seam connecting groove, and the open end of the U-shape extends towards the inside of the prefabricated internal partition wall 1. The extension length of the tie bars 2 in the prefabricated internal partition wall 1 is greater than that of the seam grooves 4 in the prefabricated internal partition wall 1.

The drawknot ring 3 is positioned in the joint groove 4 of two adjacent prefabricated internal partition walls 1 after splicing. The tie bars 2 and the tie rings 3 are arranged in a one-to-one correspondence, and therefore, an opening (not shown) for buckling the tie bars 2 is provided on the tie rings 3. After installation, the length of the drawknot rings 3 extending into the seam grooves 4 of the two prefabricated internal partition walls 1 is equal.

The tie bars 2 and the tie rings 3 are arranged at intervals along the height direction of the prefabricated internal partition wall 1.

And self-compacting crack pouring fine stone concrete is poured in the joint groove 4. The tie bars 2 can play a role in tying new (concrete in the joint groove) and old (concrete in the prefabricated inner partition wall) concrete. The drawknot rings 3 can play a role in connecting and reinforcing the concrete in the two adjacent seam grooves 4.

A gap 5 with the thickness of 5mm is formed at the splicing position of the prefabricated inner partition wall 1, self-compacting crack pouring fine aggregate concrete is poured into the gap 5, and the edge of the gap 5 is subjected to crack pointing through epoxy resin glue 6.

As shown in fig. 2, a laminated floor slab prefabricated layer 7 is arranged at the top of the prefabricated internal partition wall 1, blanking holes 8 are arranged on the laminated floor slab prefabricated layer 7, the blanking holes 8 are reserved grouting holes, and the cross-sectional dimension of the blanking holes 8 is 100mm × 150 mm. And the blanking hole 8 is positioned at the splicing position of the two prefabricated inner partition walls 1. And a composite floor cast-in-place layer 9 is arranged at the top of the composite floor prefabricated layer 7.

The joint groove 4 penetrates through the top of the prefabricated inner partition wall 1, and when a cast-in-place layer 9 of the composite floor slab is poured, concrete is poured into the blanking hole 8 and the joint groove 4 through the reserved blanking hole 8, so that the composite floor slab and the prefabricated inner partition wall are connected.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A prefabricated inner partition wall connecting node comprises at least two prefabricated inner partition walls, wherein the at least two prefabricated inner partition walls are sequentially spliced, and the prefabricated inner partition wall connecting node is characterized in that a joint groove is formed in each prefabricated inner partition wall, is positioned at the tail end of each prefabricated inner partition wall for splicing, and is formed by sinking from the end face of the tail end; the joint groove is provided with a small-caliber end and a large-caliber end on the same cross section, the small-caliber end is close to the splicing position of the prefabricated inner partition wall, the large-caliber end is far away from the splicing position of the prefabricated inner partition wall, and cast-in-place concrete is arranged in the joint groove.

2. The prefabricated internal partition wall connection node of claim 1, further comprising tie bars extending from the seam slots to an interior of the prefabricated internal partition wall.

3. The prefabricated internal partition wall connection node of claim 2, further comprising a tie ring, wherein the tie ring is located in a joint groove of two adjacent prefabricated internal partition walls after splicing.

4. The prefabricated internal partition wall connection node of claim 2, wherein the longitudinal section of the tie bar is U-shaped, and the closed end of the U-shape is located in the seam groove.

5. The prefabricated internal partition wall connection node of claim 2, wherein an extension length of the tie bar inside the prefabricated internal partition wall is greater than an extension length of the seam groove inside the prefabricated internal partition wall.

6. The prefabricated internal partition wall connecting node according to claim 3, wherein the tie bars and the tie rings are arranged in a one-to-one correspondence, and an opening for buckling the tie bars is formed in each tie ring.

7. The prefabricated internal partition wall connecting node according to claim 3, wherein the tie bars and the tie rings are arranged at intervals in the height direction of the prefabricated internal partition wall.

8. The prefabricated inner partition wall connecting node according to any one of claims 1 to 7, wherein an epoxy resin adhesive is arranged at the edge of the splicing position of the two prefabricated inner partition walls.

9. The prefabricated internal partition wall connecting node according to any one of claims 1 to 7, wherein the joint slot penetrates to the top of the prefabricated internal partition wall, a composite floor slab prefabricated layer is arranged on the top of the prefabricated internal partition wall, blanking holes are formed in the composite floor slab prefabricated layer, and the blanking holes are located at the splicing position of the two prefabricated internal partition walls; cast-in-place concrete is arranged in the blanking hole.