CN210597655U - Connecting joint between vertical stressed components - Google Patents
Connecting joint between vertical stressed components Download PDFInfo
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- CN210597655U CN210597655U CN201921192108.XU CN201921192108U CN210597655U CN 210597655 U CN210597655 U CN 210597655U CN 201921192108 U CN201921192108 U CN 201921192108U CN 210597655 U CN210597655 U CN 210597655U
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Abstract
The utility model discloses a connecting node between vertical stressed components, which comprises an upper vertical stressed component, a lower vertical stressed component and a horizontal stressed component; a first preformed hole is formed in the horizontal stress member, and a second preformed hole is formed in the upper vertical stress member; the first preformed hole and the second preformed hole are on the same vertical line; and embedded steel bars with anchoring plates which are arranged oppositely are vertically embedded in the second preformed hole of the upper vertical stress member and the lower vertical stress member. The utility model discloses a connected node between vertical atress component for pass power route more for simple and easy, clear.
Description
Technical Field
The utility model relates to a building engineering field especially relates to a connected node between vertical atress component.
Background
With the continuous development of the urbanization process in China and the continuous advocation of energy-saving and environment-friendly engineering, more and more prefabricated structural types continuously appear, and the connection mode among prefabricated components is concerned more and more. The main prefabricated part connecting modes in the market at present comprise sleeve grouting connection and slurry anchor connection, and have more applications in actual engineering, but still have many defects: at the present stage, the domestic standard is conservative, a small steel bar and a small sleeve are required to be adopted when sleeve grouting connection is adopted, the number of sleeves on a single prefabricated component is large, the difficulty of alignment of the steel bar and the sleeve is increased when the component is hoisted, professional equipment for detecting the grouting quality of the sleeve is absent in the current market, the grouting quality cannot be effectively guaranteed, and great potential safety hazards exist.
When thick liquid anchor overlap joint is connected, the reinforcing bar passes through the overlap joint, and discontinuous reinforcing bar stress all transmits the pre-buried reinforcing bar in the prefabricated component through the cementing compound, pore material (pre-buried pipeline pore-forming) and the bonding stress between the concrete, realizes the continuous biography power of reinforcing bar, considers reinforcing bar overlap joint's eccentric biography power nature, generally has stricter regulation to its connection length, leads to the overlap joint reinforcing bar to stretch out prefabricated component length overlength, is unfavorable for transportation and protection.
Therefore, the technical personnel in the field are dedicated to develop a connecting node between vertical force-bearing components, which has a simpler and clearer force transmission path.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects in the prior art, the technical problem to be solved in the present invention is to provide a connection node between vertical force-bearing members, wherein the force-bearing path is simpler and more clear.
In order to achieve the purpose, the utility model provides a connecting node between vertical stress components, which comprises an upper vertical stress component, a lower vertical stress component and a horizontal stress component; a first preformed hole is formed in the horizontal stress member, and a second preformed hole is formed in the upper vertical stress member; the first preformed hole and the second preformed hole are on the same vertical line; and embedded steel bars with anchor plates which are arranged oppositely are vertically embedded in the second preformed hole of the upper vertical stress member and the lower vertical stress member respectively.
In order to accelerate the production efficiency of a factory, the embedded steel bars with the anchoring plates comprise first embedded steel bars with first anchoring plates and second embedded steel bars with second anchoring plates; the first embedded steel bars with the first anchoring plates and the second embedded steel bars with the second anchoring plates are vertically embedded in the second reserved holes of the upper vertical stress members and the upper parts of the lower vertical stress members respectively; one end of the first embedded steel bar belt first anchoring plate is arranged in the second reserved hole; and one end of the second embedded steel bar belt second anchoring plate is positioned outside the top end of the lower vertical stressed member.
And the grouting hole at the upper end of the second preformed hole is used for grouting into the first preformed hole and the second preformed hole through the grouting hole so as to connect the upper vertical stress member, the lower vertical stress member and the horizontal stress member into a whole.
In order to further increase the buffer area with the grouting material and make the force transmission path simpler and clearer, the first anchoring plate and the second anchoring plate are both in cylindrical structures; the diameter of the first anchoring plate is 2.5-4 times of that of the first embedded steel bar; the diameter of the second anchoring plate is 2.5-4 times of that of the second embedded steel bar.
In order to improve the force transmission performance of the connecting joint, a first spiral stirrup is movably arranged in the second reserved hole; one end of the first embedded steel bar belt with the first anchoring plate is arranged in the first spiral stirrup; one end of the second embedded steel bar belt second anchoring plate can penetrate through the first preformed hole and is located in the first spiral stirrup.
In order to increase a force transmission path and enhance the stress performance of the node, a vertical reinforcing steel bar is fixedly arranged in the first spiral stirrup, and one end of the vertical reinforcing steel bar can sequentially penetrate through the second preformed hole, the first preformed hole and the second preformed hole.
In order to enable the force transmission path to be continuous and compact, the second embedded steel bars with the second anchoring plates are inserted into the second reserved holes, so that the bottom surfaces of the second anchoring plates are attached to the bottom surface of the first anchoring plate.
In order to increase the force transmission efficiency of the vertical stress component, the first embedded steel bars with the first anchoring plates and the second embedded steel bars with the second anchoring plates are identical in structure shape.
In order to enhance the tolerance and facilitate the connection between the components during hoisting, the diameters of the first preformed hole and the second preformed hole are more than or equal to 80 mm.
The upper vertical stressed member is a prefabricated upper wallboard; the lower vertical stressed member is a prefabricated lower wallboard; the horizontal stress member is a prefabricated floor slab.
The utility model has the advantages that: in the connecting node between the vertical stressed components, the stress of the first embedded steel bar is directly transmitted to the second anchoring plate of the second embedded steel bar from the first anchoring plate through the grouting material, so that eccentric force transmission does not exist, and a force transmission path is simpler and clearer; the upper part of the first embedded steel bar of the upper vertical stress component is provided with the first anchoring plate, so that the length of the steel bar can be greatly shortened, and the steel bar is convenient to store and transport; by using the spiral stirrup, the constraint on concrete in the reserved hole can be effectively strengthened, the radial splitting of the concrete is delayed, the bond stress between the embedded steel bar and the concrete is enhanced, and the force transmission performance of the connecting node is improved; the vertical reinforcing ribs are added on the spiral stirrups, so that the stress of the upper-layer steel bars can be transferred to the embedded steel bars in the prefabricated part through the grouting material and the bonding stress between the vertical reinforcing steel bars and the concrete, a force transfer path is increased, and the stress performance of the node is enhanced; the preformed hole and the spiral stirrup both have larger inner diameters, the tolerance is strong, the connection between the components is convenient for hoisting, the hoisting of the components can be effectively improved, and the construction period is shortened.
Drawings
Fig. 1 is a schematic structural view of a connection node between vertical force-bearing members according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a portion a of fig. 1.
Fig. 3 is a schematic structural view of the present invention after the installation of the connection node between the vertical force-bearing members.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1 to 3, a connection node between vertical stressed components comprises an upper vertical stressed component 2, a lower vertical stressed component 3 and a horizontal stressed component 1, wherein a first reserved hole 1a is formed in the horizontal stressed component 1, a second reserved hole 2a is formed in the upper vertical stressed component 2, the first reserved hole 1a and the second reserved hole 2a are on the same vertical line, and embedded steel bars with anchor plates, which are arranged just oppositely, are respectively and vertically embedded in the second reserved hole 2a of the upper vertical stressed component 2 and on the lower vertical stressed component 3. The first prepared hole 1a and the second prepared hole are both formed by pre-burying corrugated pipes. Wherein, the upper vertical stressed member 1 and the lower vertical stressed member 3 are respectively arranged at the top and the bottom of the horizontal stressed member 2.
The embedded steel bars with the anchor plates comprise first embedded steel bars 7 with first anchor plates 7a and second embedded steel bars 8 with second anchor plates 8a, the first embedded steel bars 7 with the first anchor plates 7a and the second embedded steel bars 8 with the second anchor plates 8a are vertically embedded in the second preformed holes 2a of the upper vertical stress components 2 and the upper portions of the lower vertical stress components 3 respectively, the first embedded steel bars 7 with the first anchor plates 7a are arranged in the second preformed holes 2a, one ends of the first embedded steel bars 7 with the first anchor plates 7a are arranged in the second preformed holes 2a, and one ends of the second embedded steel bars 8 with the second anchor plates 8a are located on the outer side of the top ends of the lower vertical stress components 3. The opposite arrangement here means that the first embedded steel bars are located directly above the second embedded steel bars, and at this time, the first anchoring plate 7a is located directly above the second anchoring plate 8 a.
Grouting holes 101a at the upper ends of the second preformed holes 2a are formed in the first preformed holes 1a and the second preformed holes 2a through grouting holes 101a, and the upper vertical stress members 2, the lower vertical stress members 3 and the horizontal stress members 1 are connected into a whole.
The first anchoring plate 7a and the second anchoring plate 8a are both of cylindrical structures, the diameter of the first anchoring plate 7a is 2.5-4 times of that of the first embedded steel bar 7, and the diameter of the second anchoring plate 8a is 2.5-4 times of that of the second embedded steel bar 8. The size and the form of the anchoring plate on the embedded steel bars can be changed, preferably, the diameter of the first anchoring plate 7a is 3 times of that of the first embedded steel bars 7, and the diameter of the second anchoring plate 8a is 3 times of that of the second embedded steel bars 8. The first embedded steel bars 7 with the first anchoring plates 7a and the second embedded steel bars 8 with the second anchoring plates 8a are identical in structural shape. In other embodiments, the first embedded steel bars 7 with the first anchoring plates 7a and the second embedded steel bars 8 with the second anchoring plates 8a are different in structural shape.
The activity is provided with first spiral stirrup 4 in second preformed hole 2a, and the one end setting of first embedded steel 7 taking first anchor board 7a is in first spiral stirrup 4, and the one end of 8 taking second anchor boards of second embedded steel can pass first preformed hole 1a and be located first spiral stirrup 4. The first spiral stirrup and the vertical reinforcing rib are movable components, and the first spiral stirrup can be directly nested on embedded steel bars of the shear wall.
First spiral stirrup 4 internal fixation is provided with vertical reinforcing bar 5, and second preformed hole 2a, first preformed hole 1a can be passed in proper order and be located second preformed hole 2a to vertical reinforcing bar 5's one end. In other embodiments, the vertical reinforcing bead 5 is fixed to the outside of the first helical stirrup 4. The upper end of the vertical reinforcing steel bar 5 is fixed with the first spiral stirrup 4.
In this embodiment, the second embedded steel bars 8 with the second anchoring plate 8a are inserted into the second preformed holes 2a, so that the bottom surface of the second anchoring plate 8a is attached to the bottom surface of the first anchoring plate 7 a. In other embodiments, the first anchoring plate on the first embedded steel bar is connected with the second anchoring plate on the second embedded steel bar through a connecting piece.
The first embedded steel bars 7 with the first anchoring plates 7a and the second embedded steel bars 8 with the second anchoring plates 8a are identical in structural shape.
The diameters of the first prepared hole 1a and the second prepared hole 2a are 80mm or more. In some embodiments, the diameter of the first prepared hole 1a and the second prepared hole 2a is 120mm or 150mm or 180mm or 200mm or 210mm or 250mm or 300mm or other values, which are not limited herein.
During hoisting, the first and second preformed holes are on the same vertical line, the first spiral stirrup is arranged in the second preformed hole and nested on the first embedded steel bar, the vertical reinforcing steel bar passes through the first preformed hole, and the upper end of the vertical reinforcing steel bar extends into the second preformed hole. And sealing the peripheries of the preformed holes on the upper surface of the prefabricated floor slab and the top of the prefabricated lower wall slab by using elastic mortar, and injecting mortar into the preformed holes to connect the prefabricated upper wall slab, the prefabricated lower wall slab and the prefabricated floor slab into a whole.
The connecting node structure among the vertical stressed components is suitable for the connection among all vertical stressed components such as columns, walls and walls, and the structure is described by taking the wall-wall connecting node as an example. In this embodiment, the upper vertical force-bearing member 2 is a prefabricated upper wall plate, the lower vertical force-bearing member 3 is a prefabricated lower wall plate, and the horizontal force-bearing member 1 is a prefabricated floor plate. The construction method comprises the following steps:
1) pre-burying a second pre-buried steel bar with a second anchoring plate at the upper end of the prefabricated lower wallboard;
2) arranging a first preformed hole in the prefabricated floor slab;
3) embedding a first embedded steel bar with a first anchoring plate and a corrugated pipe at the lower end of the prefabricated upper wallboard to form a second reserved hole;
4) hoisting the prefabricated lower wallboard, positioning and fixing;
5) laying elastic mortar around the second embedded steel bars at the top of the prefabricated lower wallboard, and sealing;
6) hoisting the prefabricated floor slab, and inserting the second embedded steel bars into the first preformed holes;
7) laying elastic mortar around the first preformed hole on the upper surface of the prefabricated floor slab, sealing, and fixedly connecting the first spiral stirrup with the upper end of the vertical reinforcing steel bar;
8) hoisting the prefabricated upper wallboard, positioning and fixing to ensure that the upper ends of the vertical reinforcing steel bars extend into the second reserved holes, and the second embedded steel bars are arranged in the first spiral stirrups;
9) grouting into the second reserved hole through a grouting opening on the inner side of the prefabricated upper wallboard, so that the prefabricated upper wallboard, the prefabricated lower wallboard and the prefabricated floor slab are connected to form a whole.
In the connecting node between the vertical stressed components, the stress of the first embedded steel bar is directly transmitted to the second anchoring plate of the second embedded steel bar from the first anchoring plate through the grouting material, so that eccentric force transmission does not exist, and a force transmission path is simpler and clearer; the upper part of the first embedded steel bar of the upper vertical stress component is provided with the first anchoring plate, so that the length of the steel bar can be greatly shortened, and the steel bar is convenient to store and transport; by using the spiral stirrup, the constraint on concrete in the reserved hole can be effectively strengthened, the radial splitting of the concrete is delayed, the bond stress between the embedded steel bar and the concrete is enhanced, and the force transmission performance of the connecting node is improved; the vertical reinforcing ribs are added on the spiral stirrups, so that the stress of the upper-layer steel bars can be transferred to the embedded steel bars in the prefabricated part through the grouting material and the bonding stress between the vertical reinforcing steel bars and the concrete, a force transfer path is increased, and the stress performance of the node is enhanced; the preformed hole and the spiral stirrup both have larger inner diameters, the tolerance is strong, the connection between the components is convenient for hoisting, the hoisting of the components can be effectively improved, and the construction period is shortened.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A connecting node between vertical stressed components comprises an upper vertical stressed component (2), a lower vertical stressed component (3) and a horizontal stressed component (1); the method is characterized in that: a first preformed hole (1a) is formed in the horizontal stress member (1), and a second preformed hole (2a) is formed in the upper vertical stress member (2); the first preformed hole (1a) and the second preformed hole (2a) are on the same vertical line; embedded steel bars with anchor plates, which are arranged oppositely, are vertically embedded in the second preformed hole (2a) of the upper vertical stress member (2) and the lower vertical stress member (3) respectively.
2. A joint between vertically stressed members as claimed in claim 1, wherein: the embedded steel bars with the anchoring plates comprise first embedded steel bars (7) with first anchoring plates (7a) and second embedded steel bars (8) with second anchoring plates (8 a); the first embedded steel bars (7) with the first anchoring plates (7a) and the second embedded steel bars (8) with the second anchoring plates (8a) are vertically embedded in the second preformed holes (2a) of the upper vertical stress components (2) and the upper parts of the lower vertical stress components (3) respectively; one end of the first embedded steel bar (7) with the first anchoring plate (7a) is arranged in the second preformed hole (2 a); and one end of the second embedded steel bar (8) with the second anchoring plate (8a) is positioned on the outer side of the top end of the lower vertical stressed component (3).
3. A joint between vertically stressed members as claimed in claim 2, wherein: grout hole (101a) of second preformed hole (2a) upper end, through grout hole (101a) to first preformed hole (1a) and second preformed hole (2a) intussuseption will go up vertical atress component (2), down vertical atress component (3) and horizontal atress component (1) are connected and are formed wholly.
4. A joint between vertically stressed members as claimed in claim 2, wherein: the first anchoring plate (7a) and the second anchoring plate (8a) are both cylindrical structures; the diameter of the first anchoring plate (7a) is 2.5-4 times that of the first embedded steel bar (7); the diameter of the second anchoring plate (8a) is 2.5-4 times of that of the second embedded steel bar (8).
5. A joint between vertically stressed members as claimed in claim 2, wherein: a first spiral stirrup (4) is movably arranged in the second preformed hole (2 a); one end of the first embedded steel bar (7) with the first anchoring plate (7a) is arranged in the first spiral stirrup (4); one end of the second embedded steel bar (8) with the second anchoring plate (8a) can penetrate through the first reserved hole (1a) and is located in the first spiral stirrup (4).
6. A joint between vertically stressed members as claimed in claim 5, wherein: first spiral stirrup (4) internal fixation is provided with vertical reinforcing bar (5), the one end of vertical reinforcing bar (5) can pass in proper order second preformed hole (2a) first preformed hole (1a) just is located in second preformed hole (2 a).
7. A joint between vertically stressed members as claimed in any one of claims 2 to 6, wherein: and the second embedded steel bars (8) with the second anchoring plates (8a) are inserted into the second reserved holes (2a) so that the bottom surfaces of the second anchoring plates (8a) are attached to the bottom surface of the first anchoring plate (7 a).
8. A joint between vertically stressed members as claimed in claim 4, wherein: the first embedded steel bars (7) with the first anchoring plates (7a) and the second embedded steel bars (8) with the second anchoring plates (8a) are identical in structural shape.
9. A joint between vertically stressed members as claimed in claim 1, wherein: the diameters of the first preformed hole (1a) and the second preformed hole (2a) are more than or equal to 80 mm.
10. A joint between vertically stressed members as claimed in claim 1, wherein: the upper vertical stress member (2) is a prefabricated upper wallboard; the lower vertical stressed member (3) is a prefabricated lower wallboard; the horizontal stress member (1) is a prefabricated floor slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921192108.XU CN210597655U (en) | 2019-07-26 | 2019-07-26 | Connecting joint between vertical stressed components |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921192108.XU CN210597655U (en) | 2019-07-26 | 2019-07-26 | Connecting joint between vertical stressed components |
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| CN210597655U true CN210597655U (en) | 2020-05-22 |
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| CN201921192108.XU Active CN210597655U (en) | 2019-07-26 | 2019-07-26 | Connecting joint between vertical stressed components |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737717A (en) * | 2022-06-14 | 2022-07-12 | 中冶建筑研究总院有限公司 | A steel bar connection structure for assembled concrete building |
-
2019
- 2019-07-26 CN CN201921192108.XU patent/CN210597655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737717A (en) * | 2022-06-14 | 2022-07-12 | 中冶建筑研究总院有限公司 | A steel bar connection structure for assembled concrete building |
| CN114737717B (en) * | 2022-06-14 | 2022-09-23 | 中冶建筑研究总院有限公司 | A steel bar connection structure for assembled concrete building |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20211102 Address after: 408000 2-1, Hongfu building, 55 Xinghua Middle Road, Fuling District, Chongqing Patentee after: Chongqing Zhongke construction technology (Group) Co.,Ltd. Address before: 408000 office building of Management Committee of Lidu Industrial Park, Fuling District, Chongqing Patentee before: CHONGQING ZHONGKE CONSTRUCTION (Group) Co.,Ltd. |
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