CN215106435U - Close-splicing novel connecting joint of rib-free laminated plate - Google Patents
Close-splicing novel connecting joint of rib-free laminated plate Download PDFInfo
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- CN215106435U CN215106435U CN202120780910.1U CN202120780910U CN215106435U CN 215106435 U CN215106435 U CN 215106435U CN 202120780910 U CN202120780910 U CN 202120780910U CN 215106435 U CN215106435 U CN 215106435U
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- Prior art keywords
- slab
- laminated slab
- superimposed sheet
- laminated
- groove
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 30
- 239000004567 concrete Substances 0.000 claims abstract description 11
- 210000003205 muscle Anatomy 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 239000002131 composite material Substances 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 20
- 239000010410 layer Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model relates to a novel connected node of close piece together formula of muscle superimposed sheet can not go out. It has solved the not good problem of effect of connection between the superimposed sheet among the prior art. It includes the superimposed sheet, is equipped with the superimposed sheet reinforcing bar on the superimposed sheet, and superimposed sheet reinforcing bar both ends set up and are equipped with connection structure in superimposed sheet inboard and superimposed sheet reinforcing bar one side, and connection structure is closely knit through cast-in-place layer concrete placement, and superimposed sheet one side is equipped with the concatenation limit, and the concatenation limit is equipped with the chamfer, and superimposed sheet reinforcing bar one end extends to chamfer and hugs closely in the connection structure bottom surface. The utility model has the advantages that: the connecting effect is good, the structure is stable, and the durability is realized.
Description
Technical Field
The utility model relates to a building design technical field, concretely relates to novel connected node of close formula of piecing together of muscle superimposed sheet does not go out.
Background
At present, in an assembly type concrete building, a laminated slab is the most commonly used reinforced concrete prefabricated component, usually for a floor slab with a larger size, the laminated slab needs to be split into a plurality of pieces for prefabrication and then transported to a site for assembly, a splicing seam can be formed between prefabricated slabs, one type of the existing splicing seam is a close splicing type seam, the embedded steel bars need to extend out of the slab edge for a certain length, the steel bars are bent upwards during the production of the laminated slab and then are bent back during the installation, the connection mode has certain defects, firstly, the ribs of the laminated slab are not beneficial to the production of the component, holes need to be formed on a side mold, so that the mold can not be repeatedly used, the production cost is not reduced, meanwhile, the length of the laminated slab extending out of the steel bars is at least 30 centimeters generally, the transportation of the component is not beneficial, and at the same time, the steel bars of the connection node need to incline upwards during the splicing of the laminated slab, the position reinforcing steel bar is protruded, stress concentration is easily formed, cracking risk can exist in concrete, and the connecting effect is poor.
Disclosure of Invention
The utility model aims at the above-mentioned problem, provide a reasonable in design, the novel connected node of close piece formula of the fine no play muscle superimposed sheet of excellent in connection effect.
In order to achieve the above purpose, the utility model adopts the following technical proposal: this novel connected node of close piece together formula of muscle superimposed sheet does not go out, including the superimposed sheet, be equipped with the superimposed sheet reinforcing bar on the superimposed sheet, superimposed sheet reinforcing bar both ends set up and are equipped with connection structure in superimposed sheet inboard and superimposed sheet reinforcing bar one side, and connection structure is closely knit through cast-in-place layer concrete placement, and superimposed sheet one side is equipped with the concatenation limit, and the concatenation limit is equipped with the chamfer, and superimposed sheet reinforcing bar one end extends to chamfer and hugs closely in the connection structure bottom surface. The edge of the laminated slab is provided with the chamfer, the reinforcing steel bars of the laminated slab are arranged on the inner side of the laminated slab, and the end parts of the reinforcing steel bars of the laminated slab extend to the chamfer, so that the reinforcing steel bars of the laminated slab at the joints are not required to be bent during splicing, stress concentration cannot be formed, and the durability of the member in use is facilitated; and connection structure's setting makes can effectively pass power between the superimposed sheet reinforcing bar, and has sufficient protective layer thickness, and not only the construction is convenient, can save a large amount of construction measure expenses moreover, is favorable to reducing construction cost, and the connection effect is good.
In the novel close connected node of formula of piecing together of foretell not going out muscle superimposed sheet, connection structure is equipped with tower joint reinforcing bar including setting up in superimposed sheet reinforcing bar one side and along the superimposed sheet recess of superimposed sheet reinforcing bar axial extension in the superimposed sheet recess. After the laminated slabs are hoisted on site, pre-processed lap-jointed reinforcing steel bars are placed in the grooves of the laminated slabs at the splicing positions of the two laminated slabs, then cast-in-situ layer reinforcing steel bars are bound, concrete is poured, and the close-splicing connection between the laminated slabs is completed.
In the novel close-splicing connecting node of the rib-free laminated slab, the diameter of the tower-joint reinforcing steel bar is the same as that of the laminated slab reinforcing steel bar, the length of the tower-joint reinforcing steel bar is twice of the length of the groove of the laminated slab, and the tower-joint reinforcing steel bar is arranged on one side of the groove of the laminated slab in a biased mode.
In the close-splicing novel connecting joint of the rib-free laminated slab, the net distance between the tower-connected steel bars and the grooves of the laminated slab and the net distance between the tower-connected steel bars and the steel bars of the laminated slab are both 2-4 mm.
In the close-splicing type novel connecting node of the rib-free laminated slab, the reinforcing steel bars of the laminated slab are tightly attached to the bottom surface of the groove of the laminated slab and are offset from the other side of the groove of the laminated slab, and the distance between one side of the reinforcing steel bars of the laminated slab, which is close to the groove of the laminated slab, and the groove 21 of the laminated slab is 2-4 mm.
In the close-splicing novel connecting joint of the rib-free laminated slab, the thickness of the laminated slab ranges from 60 mm to 80 mm.
In the close-splicing novel connecting joint of the rib-free laminated slab, the chamfer gradient ratio is 1: 1.
In the close-splicing novel connecting node of the rib-free laminated slab, the length of the groove of the laminated slab is more than 18-22mm which is 35 times of the length of the reinforcing steel bar of the laminated slab.
In the novel close-fitting type connecting joint of the rib-free laminated slab, the thickness of the groove of the laminated slab is 14-16mm less than that of the laminated slab 1.
In the close-splicing novel connecting joint of the rib-free laminated slab, the width of the groove of the laminated slab is 8-10mm more than twice of the diameter of the steel bar of the laminated slab.
Compared with the prior art, the utility model has the advantages of: reasonable in design, simple structure, during the superimposed sheet concatenation, the superimposed sheet reinforcing bar need not to buckle, can not form stress concentration, is favorable to the durability that the component used, and connects the reinforcing bar through the tower and realize connecting, and the superimposed sheet reinforcing bar at node position can effectively pass power, and not only the construction is simple and convenient, can save a large amount of construction measures expenses moreover, is favorable to reducing construction cost.
Drawings
FIG. 1 is a schematic view of the close-fitting connection of the laminated plates of the present invention;
FIG. 2 is a schematic view of the overlapping edges of the laminated panels of the present invention;
FIG. 3 is a cross-sectional view of the overlapping edge of the laminated plate of the present invention;
fig. 4 is a cut-away view of the joint of the superimposed sheet of the present invention.
In the figure, the composite slab comprises a composite slab 1, a composite slab steel bar 11, a splicing edge 12, a chamfer 13, a connecting structure 2, a composite slab groove 21, a tower-connected steel bar 22 and cast-in-place layer concrete 3.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in FIGS. 1-4, this novel connected node of close piece together formula of muscle superimposed sheet not appearing, including superimposed sheet 1, be equipped with superimposed sheet reinforcing bar 11 on the superimposed sheet 1, superimposed sheet reinforcing bar 11 both ends set up and are equipped with connection structure 2 in 1 inboard and superimposed sheet reinforcing bar 11 one side of superimposed sheet, and connection structure 2 pours closely through cast-in- place layer concrete 3, and 1 one side of superimposed sheet is equipped with concatenation limit 12, and concatenation limit 12 is equipped with chamfer 13, and 11 one end of superimposed sheet reinforcing bar extend to chamfer 13 department and hug closely in connection structure 2 bottom surfaces. When the laminated slab 1 is produced, the chamfer 13 is arranged on the splicing edge 12 of the laminated slab 1, the laminated slab steel bar 11 does not extend out of the splicing edge and only extends to the position of the chamfer 13, and meanwhile, the connecting structure 2 is arranged on the edge of the laminated slab 1 and is deep to the bottom of the laminated slab steel bar 11; after the laminated slabs 1 are hoisted on site, the laminated slabs 11 are connected through the prefabricated connecting structures 2, then the laminated slab reinforcing steel bars 11 and the connecting structures 2 are bound, cast-in-situ layer concrete 3 is poured, and the close-splicing connection between the laminated slabs is completed.
Wherein, connection structure 2 is equipped with tower joint reinforcing bar 22 including setting up at 11 one sides of superimposed sheet reinforcing bar and along the superimposed sheet recess 21 of 11 axial extensions of superimposed sheet reinforcing bar in the superimposed sheet recess 21. After the on-site hoisting is completed, the prefabricated tower-joint steel bars 22 are placed in the grooves of the superimposed slab grooves 21 at the splicing position of the two superimposed slabs 1 and are sealed by the cast-in-place layer concrete 3, so that the superimposed slabs 1 are connected.
It can be seen that the diameter of the tower-joint reinforcing bars 22 is the same as that of the laminated slab reinforcing bars 11, the length of the tower-joint reinforcing bars 22 is twice as long as that of the laminated slab grooves 21, and the tower-joint reinforcing bars 22 are offset to one side of the laminated slab grooves 21. This arrangement facilitates the stacking of slabs 1 with the tower bars 22 on different stacking slabs 1 being placed in adjacent stacking slab grooves 21.
Furthermore, the net distance between the tower-joint steel bars 22 and the laminated slab grooves 21 and the net distance between the tower-joint steel bars 11 are both 2-4 mm. Set up the clearance, place and produce the adhesion when pouring.
Obviously, the superimposed slab reinforcing steel bar 11 is closely attached to the bottom surface of the superimposed slab groove 21 and is offset from the other side of the superimposed slab groove 21, and the distance between the side of the superimposed slab reinforcing steel bar 11 close to the superimposed slab groove 21 and the superimposed slab groove 21 is 2-4 mm.
Specifically, the thickness of the laminated plate 1 is in the range of 60 to 80mm in size.
Further, the slope ratio of the chamfer 13 is 1: 1. The gradient proportion of the chamfer 13 is set to be 1:1, which is beneficial to splicing the laminated slabs 1.
In detail, the length of the laminated plate groove 21 is 18-22mm more than 35 times of the laminated plate reinforcing steel bar 11.
More specifically, the thickness of the superimposed plate groove 21 is 14 to 16mm less than that of the superimposed plate 1.
Preferably, the width of the plywood groove 21 is 8-10mm more than twice the diameter of the plywood reinforcement 11. The dimensions of the laminate recess 21 are here such that the laminate 1 has a sufficient protective layer thickness.
In summary, the principle of the present embodiment is: when the laminated slab 1 is produced, the chamfer 13 is arranged on the splicing edge 12 of the laminated slab 1, the laminated slab steel bar 11 does not extend out of the splicing edge and only extends to the position of the chamfer 13, meanwhile, the laminated slab groove 21 is preset on the edge of the laminated slab 1, and the depth of the laminated slab groove 21 reaches the bottom of the laminated slab steel bar 11; after the laminated slabs 1 are hoisted on site, prefabricated tower joint reinforcing steel bars 22 are placed in the laminated slab grooves 21 at the splicing positions of the two laminated slabs 1, then the laminated slab reinforcing steel bars 1 and the tower joint reinforcing steel bars 22 are bound, cast-in-place layer concrete 3 is poured, and the close-splicing connection between the laminated slabs 1 is completed.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of laminated slab 1, laminated slab reinforcement 11, splice edge 12, chamfer 13, attachment structure 2, laminated slab groove 21, tower bar 22, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides a do not go out novel connected node of close piece formula of muscle superimposed sheet, includes superimposed sheet (1), its characterized in that, superimposed sheet (1) on be equipped with superimposed sheet reinforcing bar (11), superimposed sheet reinforcing bar (11) both ends set up and be equipped with connection structure (2) in superimposed sheet (1) inboard and superimposed sheet reinforcing bar (11) one side, connection structure (2) pour closely knit through cast-in-place layer concrete (3), superimposed sheet (1) one side be equipped with concatenation limit (12), concatenation limit (12) be equipped with chamfer (13), and superimposed sheet reinforcing bar (11) one end extend to chamfer (13) department and hug closely in connection structure (2) bottom surface.
2. The novel close-coupled joint of non-reinforcement-exiting laminated slab as claimed in claim 1, wherein the connection structure (2) comprises a laminated slab groove (21) disposed at one side of the laminated slab reinforcement (11) and extending along the axial direction of the laminated slab reinforcement (11), and a tower-joint reinforcement (22) is disposed in the laminated slab groove (21).
3. The novel close-coupled connecting joint of unreinforced laminated slab as claimed in claim 2, wherein the diameter of the tower-coupling steel bar (22) is the same as that of the laminated slab steel bar (11), the length of the tower-coupling steel bar (22) is twice as long as that of the laminated slab groove (21), and the tower-coupling steel bar (22) is offset to one side of the laminated slab groove (21).
4. The novel close-coupled joint of the unreinforced laminated slab as claimed in claim 3, wherein the net distance between the tower-joint steel bars (22) and the laminated slab groove (21) and the laminated slab steel bars (11) is 2-4 mm.
5. The novel close-coupled joint of non-reinforcement-exiting composite slab as claimed in claim 4, wherein the composite slab reinforcement (11) is closely attached to the bottom surface of the composite slab groove (21) and is offset from the other side of the composite slab groove (21), and the distance between the side of the composite slab reinforcement (11) close to the composite slab groove (21) and the composite slab groove (21) is 2-4 mm.
6. The novel close-coupled connecting joint of the reinforcement-free laminated slab as claimed in claim 2, wherein the thickness of the laminated slab (1) is in the size range of 60-80 mm.
7. The novel close-fitting type connecting joint of the reinforcement-free laminated slab as claimed in claim 1, wherein the gradient ratio of the chamfer (13) is 1: 1.
8. The novel close-coupled connecting joint of the unreinforced laminated slab as claimed in claim 2, wherein the length of the laminated slab groove (21) is more than 35 times of the length of the laminated slab steel bar (11) by 18-22 mm.
9. The novel close-coupled joint of rib-less laminated slab as claimed in claim 8, wherein the thickness of the laminated slab groove (21) is 14-16mm less than that of the laminated slab (1).
10. The novel close-coupled joint of unreinforced superimposed slab as claimed in claim 8, wherein the width of the superimposed slab groove (21) is 8-10mm more than twice the diameter of the superimposed slab steel bar (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120780910.1U CN215106435U (en) | 2021-04-16 | 2021-04-16 | Close-splicing novel connecting joint of rib-free laminated plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120780910.1U CN215106435U (en) | 2021-04-16 | 2021-04-16 | Close-splicing novel connecting joint of rib-free laminated plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215106435U true CN215106435U (en) | 2021-12-10 |
Family
ID=79266117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120780910.1U Expired - Fee Related CN215106435U (en) | 2021-04-16 | 2021-04-16 | Close-splicing novel connecting joint of rib-free laminated plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215106435U (en) |
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2021
- 2021-04-16 CN CN202120780910.1U patent/CN215106435U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |