CN216689751U - Novel assembled beam column node based on UHPC-stainless steel bar - Google Patents
Novel assembled beam column node based on UHPC-stainless steel bar Download PDFInfo
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- CN216689751U CN216689751U CN202123411781.8U CN202123411781U CN216689751U CN 216689751 U CN216689751 U CN 216689751U CN 202123411781 U CN202123411781 U CN 202123411781U CN 216689751 U CN216689751 U CN 216689751U
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 16
- 239000010935 stainless steel Substances 0.000 title claims abstract description 16
- 239000004574 high-performance concrete Substances 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 239000003643 water by type Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The utility model discloses a novel assembled beam-column joint based on UHPC-stainless steel bars, which comprises a beam-column joint formed by pouring an integral beam-column framework by high-performance concrete, wherein the integral beam-column framework comprises an upper prefabricated column framework, a lower prefabricated column framework and a prefabricated beam framework, the end parts of the upper prefabricated column framework, the lower prefabricated column framework and the prefabricated beam framework are mutually close to form a core area, a prefabricated beam bent part is formed at the part of the prefabricated beam framework, which is positioned in the core area, the upper prefabricated column framework, the lower prefabricated column framework and the part of the prefabricated beam framework, which is positioned in the core area, are mutually bound and fixed, and the prefabricated beam bent part extends into the upper prefabricated column framework and the lower prefabricated column framework at the corresponding positions and is bound and fixed with the upper prefabricated column framework and the lower prefabricated column framework. The utility model adopts a new node arrangement mode and improves a steel bar lapping mode in a core area, so that the node can show better energy consumption capability in the face of severe geological disasters, and the fabricated building can better serve the production and life of people. The utility model is suitable for the technical field of building construction.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a novel assembled beam-column joint based on UHPC-stainless steel bars.
Background
At present, in the building industry, the fabricated beam column node used in most projects easily causes the problems of the dislocation of the inserted steel bar position, the inaccuracy of the length of the steel bar and the like in the structure construction. When facing geological disasters such as earthquake, the general fabricated frame structure beam column node has poor energy consumption capability and poor ductility, and is easy to cause the instability and damage, even collapse, of buildings in the earthquake, thereby bringing about a great deal of casualties. In severe weather environments, the general assembled beam-column joints have the problems of influence on structural safety, such as carbonization, reinforcement corrosion, strength reduction, energy consumption reduction and the like, and seriously harm the life and property safety of people. Therefore, the development of the assembly type building connecting node with better safety performance has important engineering significance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel assembled beam column joint based on UHPC-stainless steel bars, which is used for splicing prefabricated beam columns, binding steel bars in the joint and then pouring concrete in a joint connecting area when assembling construction is carried out, so that all assembled components are connected into a whole, and the problem of poor mechanical property of the assembled concrete joint connecting area is effectively solved.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a novel assembled beam column node based on UHPC-stainless steel, includes the beam column node that forms through integral beam column skeleton of high performance concrete placement, integral beam column skeleton includes prefabricated post skeleton, prefabricated post skeleton and prefabricated beam skeleton down, the one end of going up prefabricated post skeleton, prefabricated post skeleton and prefabricated beam skeleton down is close to each other and forms nuclear core area, the position department that the prefabricated beam skeleton is located nuclear core area is formed with the prefabricated beam kink, go up prefabricated post skeleton, prefabricated post skeleton and the prefabricated beam skeleton position in the mutual ligature of the position of nuclear core area fixed down, and the prefabricated beam kink stretches into corresponding department last prefabricated post skeleton and prefabricated post skeleton down in and with the two ligature fixed.
Further, the upper prefabricated column framework and the lower prefabricated column framework are identical in structure and are oppositely arranged, the size of the upper prefabricated column framework and the size of the lower prefabricated column framework are 200 × 720mm, the length of the upper prefabricated column framework and the length of the lower prefabricated column framework comprise 480mm of prefabricated parts and 240mm of post-pouring parts.
Furthermore, go up prefabricated post skeleton's cross section for the rectangle, go up prefabricated post skeleton and include four prefabricated post reinforcing bars, and four prefabricated post reinforcing bars constitute the main frame of prefabricated post skeleton on, be fixed with a plurality of first stirrups along its length direction interval outside last prefabricated post skeleton.
Furthermore, the cross section of the precast beam skeleton is rectangular, the size of the precast beam skeleton is 150 × 200 × 840mm, the length 840mm comprises a precast length 570mm, a post-pouring part is 130mm and extends into a longitudinal post-pouring area part to be 140mm, the precast beam skeleton comprises four precast beam reinforcing steel bars, the four precast beam reinforcing steel bars form a main frame of the precast beam skeleton, and a plurality of second stirrups are fixed outside the precast beam skeleton along the length direction of the precast beam skeleton at intervals.
Further, the precast beam kink is formed at the tip department that the precast beam reinforcing bar stretched into nuclear core area, and the precast beam kink has been bent for 90, and its length is 180mm, and two precast beam reinforcing bars that lie in the below are buckled perpendicularly upwards and are formed the pole of buckling, buckle perpendicularly downwards and form down the pole of buckling in two precast beam reinforcing bars that lie in the top among four precast beam reinforcing bars.
Furthermore, go up prefabricated post skeleton, prefabricated post skeleton and precast beam skeleton are the structure that the stainless steel constitutes down.
Due to the adoption of the structure, compared with the prior art, the utility model has the technical progress that: according to the utility model, through arranging the prefabricated beam bending part, when the integral beam-column framework comprises the upper prefabricated column framework, the lower prefabricated column framework and the prefabricated beam framework are bound in the core area, a prefabricated column lap joint area is formed between the upper prefabricated column framework and the lower prefabricated column framework, and the prefabricated beam bending part is positioned in the prefabricated column lap joint area, so that the binding length with longitudinal ribs can be increased, the connection strength of post-cast joints can be enhanced, the seismic performance of beam-column joints is enhanced, and the longitudinal steel bars of the beam column are symmetrically distributed at four corners of the cross section; in conclusion, the utility model adopts a new node arrangement mode and improves a steel bar lapping mode in a core area, so that the node can show better energy consumption capability when facing severe geological disasters, and the fabricated building can better serve the production and life of people.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a precast beam reinforcement bar according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a transverse structure of a precast beam reinforcing bar according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a prefabricated column framework according to an embodiment of the present invention;
fig. 5 is a cross-sectional view showing a lateral structure of a prefabricated pillar skeleton according to an embodiment of the present invention.
Labeling components: 1-upper prefabricated column skeleton, 101-prefabricated column steel bar, 102-first stirrup, 2-prefabricated beam skeleton, 201-prefabricated beam steel bar, 202-second stirrup, 203-lower bending rod, 204-upper bending rod, 3-lower prefabricated column skeleton, 4-core area, 5-prefabricated column lap joint area and 6-prefabricated beam bending part.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.
The utility model discloses a novel assembled beam-column joint based on UHPC-stainless steel bars, which comprises an integral beam-column framework, wherein the integral beam-column framework is formed by pouring UHPC (high performance concrete), the integral beam-column framework comprises an upper prefabricated column framework 1, a lower prefabricated column framework 3 and a prefabricated beam framework 2, one ends of the upper prefabricated column framework 1, the lower prefabricated column framework 3 and the prefabricated beam framework 2 are close to each other to form a core area 4, a prefabricated beam bending part 6 is formed at the part of the prefabricated beam framework 2, which is positioned in the core area 4, the parts of the upper prefabricated column framework 1, the lower prefabricated column framework 3 and the prefabricated beam framework 2, which are positioned in the core area 4, are bound and fixed with each other, and the prefabricated beam bending part 6 extends into the corresponding upper prefabricated column framework 1 and the corresponding lower prefabricated column framework 3 and is bound and fixed with the two. The working principle and the advantages of the utility model are as follows: according to the utility model, by arranging the precast beam bending part 6, when the integral beam-column framework comprises the upper precast column framework 1, the lower precast column framework 3 and the precast beam framework 2, the precast column overlapping area 5 is formed between the upper precast column framework 1 and the lower precast column framework 3, and the precast beam bending part 6 is positioned in the precast column overlapping area 5, so that the binding length with longitudinal ribs can be increased, the connection strength of post-cast joints can be enhanced, the seismic performance of beam-column joints is enhanced, and longitudinal steel bars of the beam-column are symmetrically distributed at four corners of the cross section; in conclusion, the novel node arrangement mode is adopted, the steel bar lapping mode in the core area 4 is improved, the node can show better energy consumption capability when the node faces severe geological disasters, and the fabricated building can better serve the production and life of people. The utility model adopts the novel material UHPC high-strength concrete, improves the compression-resistant bearing capacity of the concrete in the post-cast area, effectively improves the durability of the node and prolongs the service life of the node. The splicing position of the node and the beam effectively avoids the core area 4, the pouring quality of the node and the continuity of the column in the core area 4 are guaranteed, and the splicing surface is effectively prevented from being damaged by shearing. The structural integrity is better, the damage form is the bending damage of the beam end, the design requirement of 'strong column and weak beam' is satisfied, in addition, the bearing capacity of the node is basically similar to that of a cast-in-place node, the ductility and the energy consumption capability are improved, the requirements on the component manufacturing and mounting precision are not high, and the construction is simple and convenient.
As a preferred embodiment of the present invention, as shown in fig. 4 to 5, the upper prefabricated pillar framework 1 and the lower prefabricated pillar framework 3 have the same structure and are oppositely arranged, and the size of the upper prefabricated pillar framework and the lower prefabricated pillar framework is 200 × 720mm, wherein the prefabricated part in the length of 720mm is 480mm, and the post-cast part is 240 mm. The cross section of the upper prefabricated column framework 1 is rectangular, the upper prefabricated column framework 1 comprises four prefabricated column steel bars 101, the four prefabricated column steel bars 101 form a main frame of the upper prefabricated column framework 1, and a plurality of first stirrups 102 are fixed outside the upper prefabricated column framework 1 along the length direction of the upper prefabricated column framework at intervals.
As a preferred embodiment of the present invention, as shown in fig. 2 to 3, the cross section of the precast beam skeleton 2 is rectangular, and the size thereof is 150 × 200 × 840mm, wherein the precast length in the length 840mm is 570mm, the post-cast part is 130mm, and extends into the longitudinal post-cast part 140mm, the precast beam skeleton 2 includes four precast beam reinforcements 201, and the four precast beam reinforcements 201 form a main frame of the precast beam skeleton 2, and a plurality of second stirrups 202 are fixed outside the precast beam skeleton 2 at intervals along the length direction thereof.
The prefabricated column steel bars 101 of the upper prefabricated column framework 1 and the prefabricated beam steel bars 201 of the prefabricated beam framework 2 are stressed main bars and mainly bear axial tension caused by external load and dead weight, the first stirrups 102 and the second stirrups 202 are both construction bars, the prefabricated column framework and the prefabricated beam framework 2 are respectively formed by the corresponding prefabricated column steel bars 101 and the corresponding prefabricated beam steel bars 201, the structure is kept stable, the development of inclined cracks is limited, and in addition, part of stress caused by temperature change can be borne.
As a preferred embodiment of the present invention, as shown in fig. 2, the precast beam bending portion 6 is formed at an end portion of the precast beam reinforcing bars 201 extending into the core area 4, two precast beam reinforcing bars 201 located below of the four precast beam reinforcing bars 201 are vertically bent upward to form an upper bending rod 204, and two precast beam reinforcing bars 201 located above of the four precast beam reinforcing bars 201 are vertically bent downward to form a lower bending rod 203, so that the binding length can be increased, and the connection strength of the post-cast node can be enhanced, thereby enhancing the seismic performance of the beam column node.
As a preferred embodiment of the present invention, the upper prefabricated column framework, the lower prefabricated column framework and the prefabricated beam framework are all structures formed by stainless steel bars.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a novel assembled beam column node based on UHPC-stainless steel bar which characterized in that: include the beam column node that forms through integral beam column skeleton of high performance concrete placement, integral beam column skeleton includes prefabricated post skeleton, prefabricated post skeleton and prefabricated beam skeleton down, go up prefabricated post skeleton, the one end of prefabricated post skeleton and prefabricated beam skeleton is close to each other and forms nuclear core area down, the position department that the prefabricated beam skeleton is located nuclear core area is formed with the prefabricated beam kink, go up prefabricated post skeleton, prefabricated post skeleton and prefabricated beam skeleton are located the mutual ligature in position of nuclear core area and fix down, and the prefabricated beam kink stretches into corresponding department go up prefabricated post skeleton and prefabricated post skeleton down in and fixed with the two ligature.
2. The novel assembled beam-column joint based on UHPC-stainless steel bars of claim 1, which is characterized in that: the upper prefabricated column framework and the lower prefabricated column framework are identical in structure and are oppositely arranged, the size of the upper prefabricated column framework and the size of the lower prefabricated column framework are 200 x 720mm, the length of the upper prefabricated column framework and the length of the lower prefabricated column framework are 720mm, and the upper prefabricated column framework and the lower prefabricated column framework comprise a prefabricated part 480mm and a post-pouring part 240 mm.
3. The novel assembled beam-column joint based on UHPC-stainless steel bars of claim 2, which is characterized in that: the cross section of going up prefabricated post skeleton is the rectangle, goes up prefabricated post skeleton and includes four prefabricated post reinforcing bars, and four prefabricated post reinforcing bars constitute the main frame of prefabricated post skeleton, is fixed with a plurality of first stirrups along its length direction interval outside last prefabricated post skeleton.
4. The novel assembled beam-column joint based on UHPC-stainless steel bars of claim 1, which is characterized in that: the cross section of precast beam skeleton is the rectangle, and its size is 150 × 200 × 840mm, and wherein, length 840mm includes prefabricated length 570mm, waters partly 130mm after, stretches into longitudinal post-cast section part 140mm, and the precast beam skeleton includes four precast beam reinforcing bars, and four precast beam reinforcing bars constitute the main frame of precast beam skeleton, is fixed with a plurality of second stirrups along its length direction interval outside the precast beam skeleton.
5. The novel assembled beam-column joint based on UHPC-stainless steel bars of claim 4, which is characterized in that: precast beam kink forms in the tip department that the precast beam reinforcing bar stretched into core area, and the precast beam kink has been bent for 90, and its length is 180mm, and two precast beam reinforcing bars that lie in the below in four precast beam reinforcing bars are perpendicular upwards to buckle and are formed and buckle the pole, buckle the pole down in four precast beam reinforcing bars that lie in the two precast beam reinforcing bars of top perpendicularly downwards.
6. The novel assembled beam-column joint based on UHPC-stainless steel bars of claim 1, which is characterized in that: go up prefabricated post skeleton, prefabricated post skeleton and precast beam skeleton down are the structure that the stainless steel bar constitutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123411781.8U CN216689751U (en) | 2021-12-30 | 2021-12-30 | Novel assembled beam column node based on UHPC-stainless steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123411781.8U CN216689751U (en) | 2021-12-30 | 2021-12-30 | Novel assembled beam column node based on UHPC-stainless steel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216689751U true CN216689751U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123411781.8U Expired - Fee Related CN216689751U (en) | 2021-12-30 | 2021-12-30 | Novel assembled beam column node based on UHPC-stainless steel bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216689751U (en) |
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2021
- 2021-12-30 CN CN202123411781.8U patent/CN216689751U/en not_active Expired - Fee Related
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Granted publication date: 20220607 |