CN214575019U - Reinforced concrete prefabricated one-way superimposed sheet piece reinforcing node structure and system - Google Patents
Reinforced concrete prefabricated one-way superimposed sheet piece reinforcing node structure and system Download PDFInfo
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- CN214575019U CN214575019U CN202120410549.3U CN202120410549U CN214575019U CN 214575019 U CN214575019 U CN 214575019U CN 202120410549 U CN202120410549 U CN 202120410549U CN 214575019 U CN214575019 U CN 214575019U
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- reinforced concrete
- node structure
- unidirectional composite
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 20
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 19
- 230000008093 supporting effect Effects 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims description 32
- 238000007493 shaping process Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 5
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 15
- 238000010030 laminating Methods 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of assembled structural engineering construction, concretely relates to prefabricated one-way superimposed sheet piece reinforcing node structure of reinforced concrete and system, it is poor with the quality to aim at solving the piece performance, the reliability is low, the problem that the construction degree of difficulty is big, this node structure is including locating the setting piece of piece department between two adjacent prefabricated one-way superimposed floor slabs, and locate this setting piece in and play the cavity form pipe spare that warp the supporting role, setting piece is the concave part of U type and is equipped with respectively to the extension of the prefabricated one-way superimposed floor extension of place side separately and the epitaxial portion of laminating with it including the section in the U type mouth both sides of this concave part. The utility model discloses the node structure has easy operation, strong adaptability, and the construction is rapid, low cost, reinforcing effect advantage such as showing under satisfying the design specification requirement to can increase substantially one-way superimposed sheet efficiency of construction and piece seam quality.
Description
Technical Field
The utility model belongs to the technical field of assembled structural engineering construction, concretely relates to prefabricated one-way superimposed sheet piece reinforcing node structure of reinforced concrete and system.
Background
In the construction of fabricated structural engineering, the mainstream method for splicing the joints of the one-way composite slabs is a standard splicing joint node from a standard and national standard drawing set, namely two composite slabs are spliced together in a close manner without connection in the joint, and then floor slab reinforcing steel bars are directly arranged and poured. The method has high requirements on the factory production process and the field installation precision, and has poor adaptability. Meanwhile, in the actual engineering, the abutted seams are often too large or irregular due to factors such as splicing errors, concrete vibration, personnel or mechanical disturbance and the like, so that the quality and safety problems of slurry leakage, concrete segregation, ceiling pattern surfaces and the like in the abutted seam area are caused.
Therefore, the joint structure of the splicing seam of the prefabricated unidirectional composite slab used in the assembly type structural engineering at present needs to be improved, the joint treatment measures and the construction operation are optimized, the splicing seam performance and quality are better guaranteed, the connection reliability is enhanced, the construction difficulty is reduced, the construction quality is guaranteed, and the purpose of replacing the traditional splicing seam connection mode at present is achieved.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a prefabricated one-way superimposed sheet piece reinforcing node structure of reinforced concrete and system aims at solving piece performance and quality poor, the reliability is low, the big problem of the construction degree of difficulty.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a reinforced concrete prefabricated unidirectional composite slab splicing and reinforcing node structure comprises a shaping caulking piece arranged at a splicing position between two adjacent prefabricated unidirectional composite floor slabs and a hollow pipe piece arranged in the shaping caulking piece and playing a role of deformation support, wherein the shaping caulking piece comprises a concave part with a U-shaped section and extension parts which are arranged on two sides of a U-shaped opening of the concave part, extend towards the prefabricated unidirectional composite floor slabs on the side of the concave part respectively and are attached to the concave part.
Furthermore, the shape-fixing seam-embedding piece and the hollow pipe piece are both made of steel wire mesh sheets.
Further, the specification of the steel wire mesh sheet is 0.6mm × 10mm × 10 mm.
Furthermore, any extension part comprises a straight section which is flush with the upper surface of the prefabricated unidirectional composite floor slab and a slope section which is connected between the concave part and the straight section.
Further, the width of the concave body part of the shaping caulking piece is less than or equal to the inner diameter of the hollow pipe piece, and the value range of the width of the concave body part is 10mm to 15 mm.
Further, the height between the lower bottom surface of the concave body part of the shaping caulking piece and the upper plane of the extension part is 5mm less than the thickness of the prefabricated unidirectional composite floor slab.
The utility model also provides a prefabricated one-way superimposed sheet piece reinforcing node system of reinforced concrete, including the cast-in-place layer of floor, the closure piece, the support system on prefabricated one-way superimposed sheet, the upper portion of bottom and as above-mentioned node structure, the setting of node structure is inlayed a below and is equipped with the closure piece that covers the piece between two adjacent prefabricated one-way coincide floors, and the closure piece is supported by the support system at the face that deviates from setting piece.
Further, the closing piece is a soft thin-layer foam plastic sealing strip.
Further, the thickness of the closure is 2mm-3 mm.
Further, the support system comprises a top board and a top support circular pipe arranged below the top board.
The utility model has the advantages that: the utility model provides a node structure and system has easy operation, strong adaptability, and the construction is rapid under satisfying the design specification requirement, low cost, reinforcing effect advantage such as showing to can increase substantially one-way superimposed sheet efficiency of construction and piece quality.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is the full node section schematic diagram of the node system of the present invention.
FIG. 2 is a schematic view of the setting panel of FIG. 1, a being a plan view and b being a cross-sectional view A-A.
Fig. 3 is a schematic view of the hollow tubular member of fig. 1, a being a plan view and B being a cross-sectional view B-B.
Fig. 4 is a schematic view of the closure of fig. 1, a being a plan view and b being a cross-sectional view C-C.
Reference numerals: 1 is a shape-fixed seam-embedding piece, 2 is a hollow pipe piece, 3 is a closing piece, 4 is a top wood mould, 5 is a top-supported circular pipe, 6 is a prefabricated unidirectional composite floor slab, and 7 is a floor slab cast-in-place layer; 11 is an extension part, and 12 is a concave part; the 111 is a slope section, and the 112 is a straight section.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Referring to fig. 1-4, the present embodiment relates to a reinforced concrete prefabricated unidirectional composite slab splice reinforced node system, which comprises a prefabricated unidirectional composite slab 6 at the bottom, a cast-in-situ floor slab layer 7 at the upper part, a sealing member 3, a supporting system and a node structure, the node structure comprises a shape-fixing embedded piece 1 arranged at the splicing joint between two adjacent prefabricated unidirectional composite floor slabs 6 and a hollow pipe piece 2 arranged in the shape-fixing embedded piece 1 and having the function of deformation support, wherein the shape-fixing embedded piece 1 comprises a concave body part 12 with a U-shaped section and extension parts 11 which are arranged at two sides of a U-shaped opening of the concave body part 12 and respectively extend towards and are jointed with the prefabricated unidirectional composite floor slabs 6 at the respective sides, and a sealing part 3 for covering the abutted seam between two adjacent prefabricated unidirectional composite floor slabs 6 is arranged below the shaping embedded seam piece 1 of the node structure, and the sealing part 3 is supported by a supporting system on the surface deviating from the shaping embedded seam piece 1.
The shaped caulking pieces 1 and the hollow tubular members 2 in this embodiment are made of steel wire mesh, and the specification of the steel wire mesh is 0.6mm × 10mm × 10 mm. The concrete on the cast-in-place layer of floor can be better pinned to the sieve mesh between the wire net piece for the overall structure of node system is more firm.
In this embodiment, any extension 11 includes a straight section 112 flush with the upper surface of the prefabricated unidirectional composite floor slab 6, and a slope section 111 connected between the concave portion 12 and the straight section 112, and an oblique angle is chamfered at the upper edge of the splicing end of the prefabricated unidirectional composite floor slab and is attached to the slope section of the extension of the shaping caulking piece, so that the contact area and the stress point are increased, and the integral molding and pouring of the node system are more reliable.
The relationship between the width b of the concave portion 12 of the shaped caulking member 1 and the inner diameter d of the hollow tubular member 2 in the present embodiment is: d is more than or equal to b, and the width of the concave body part 12 ranges from 10mm to 15 mm. Meanwhile, the relation between the height H from the lower bottom surface of the concave body part 12 of the shaping caulking piece 1 to the upper plane of the extension part 11 and the thickness H of the prefabricated unidirectional composite floor slab 6 is as follows: H-H is 5 mm. So as to meet the application of the node construction in the node system.
The closure 3 in this embodiment is a flexible, thin layer foam bead of 2mm to 3mm thickness. Through the top pressing laminating of the supporting system and the bottom of the seam of the prefabricated unidirectional superposed plate, the sealing performance of the abutted seam is ensured, and the pouring effect is ensured.
The supporting system in this embodiment includes a top plank 4 and a top support circular tube 5 disposed below the top plank 4.
The working principle of the reinforced concrete prefabricated unidirectional superimposed sheet splicing seam reinforcing node structure and the system is explained as follows: in the construction implementation engineering, when a supporting system is arranged, a sealing piece 3, namely a soft thin-layer foam plastic sealing strip, is laid on the upper surface of a top wood mold 4 on a top supporting circular tube 5 of the supporting system in advance at the position of a splicing seam of a prefabricated unidirectional composite slab 6; then, mounting the prefabricated unidirectional laminated slab 6, ensuring that the splicing seam between the two slabs is uniformly placed on the flexible thin-layer foam plastic sealing strip, and reserving the width of the splicing seam to be 10-15 mm; after all the prefabricated unidirectional composite floor slabs 6 are installed in place, pressing the shaping embedded joint pieces 1 into all the abutted joints; then, pressing the hollow pipe fitting 2 into the bottom of the shaping caulking piece 1 by using a tool, and ensuring that two sides of the hollow pipe fitting 2 are slightly extruded by the seam edges to be changed into an oval shape so as to play a self-supporting effect; and finally, binding the steel bars on the surface and pouring the concrete on the cast-in-place layer 7 of the floor slab according to the traditional construction steps.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a prefabricated one-way superimposed sheet piece reinforcing node structure of reinforced concrete which characterized in that, is including locating setting caulking piece (1) of piece department between two adjacent prefabricated one-way superimposed floor slabs (6) and locating in this setting caulking piece and play hollow form pipe spare (2) of deformation supporting effect, setting caulking piece is including concave part (12) that the cross-section is the U type and being equipped with extension portion (11) that extend respectively to the prefabricated one-way superimposed floor slab of the side of separately and laminate with it in the U type mouth both sides of this concave part.
2. The reinforced concrete prefabricated unidirectional composite slab piece splicing and reinforcing node structure as claimed in claim 1, wherein the shape-fixing caulking pieces and the hollow pipe-shaped pieces are made of steel wire mesh sheets.
3. The reinforced concrete prefabricated unidirectional composite slab splice reinforcing node structure of claim 2, wherein the specification of the steel wire mesh sheet is 0.6mm x 10 mm.
4. The reinforced concrete prefabricated unidirectional composite slab splice reinforcing node structure as claimed in claim 1, wherein any one of the extension portions includes a straight portion (112) flush with an upper surface of the prefabricated unidirectional composite floor slab, and a slope portion (111) connected between the concave portion and the straight portion.
5. The reinforced concrete prefabricated unidirectional composite slab piece splicing and reinforcing node structure as claimed in claim 1, wherein the concave body width of the shape-fixing and inserting piece is less than or equal to the inner diameter of the hollow tubular member, and the value of the concave body width is in the range of 10mm to 15 mm.
6. The reinforced concrete prefabricated unidirectional composite slab splice reinforcing node structure as claimed in claim 1, wherein the height from the lower bottom surface of the concave body part to the upper plane of the outward extension part of the shape-setting caulking piece is less than 5mm than the thickness of the prefabricated unidirectional composite floor slab.
7. A reinforced concrete prefabricated unidirectional composite slab splicing and reinforcing node system comprises a bottom prefabricated unidirectional composite floor slab (6) and an upper floor slab cast-in-situ layer (7), and is characterized by further comprising a sealing piece (3), a supporting system and a node structure according to any one of claims 1 to 6, wherein the sealing piece for covering the splicing and connecting seam between two adjacent prefabricated unidirectional composite floor slabs is arranged below a shaping splicing and connecting piece of the node structure, and the sealing piece is supported by the supporting system on the surface deviating from the shaping splicing and connecting piece.
8. The reinforced concrete prefabricated unidirectional composite slab splice reinforcing node system of claim 7, wherein the closure member is a soft thin-layer foam sealing strip.
9. The reinforced concrete prefabricated unidirectional composite slab splice reinforcing node system of claim 8, wherein the thickness of the closing member is 2mm-3 mm.
10. The reinforced concrete prefabricated unidirectional composite slab splice reinforcing node system according to claim 7, wherein the supporting system comprises a top plank (4) and a top bracing round tube (5) arranged below the top plank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120410549.3U CN214575019U (en) | 2021-02-24 | 2021-02-24 | Reinforced concrete prefabricated one-way superimposed sheet piece reinforcing node structure and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120410549.3U CN214575019U (en) | 2021-02-24 | 2021-02-24 | Reinforced concrete prefabricated one-way superimposed sheet piece reinforcing node structure and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214575019U true CN214575019U (en) | 2021-11-02 |
Family
ID=78317297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120410549.3U Expired - Fee Related CN214575019U (en) | 2021-02-24 | 2021-02-24 | Reinforced concrete prefabricated one-way superimposed sheet piece reinforcing node structure and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214575019U (en) |
-
2021
- 2021-02-24 CN CN202120410549.3U patent/CN214575019U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |