CN209397830U - A kind of prefabricated superposed column of ultra-high performance concrete combination - Google Patents
A kind of prefabricated superposed column of ultra-high performance concrete combination Download PDFInfo
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- CN209397830U CN209397830U CN201821409825.9U CN201821409825U CN209397830U CN 209397830 U CN209397830 U CN 209397830U CN 201821409825 U CN201821409825 U CN 201821409825U CN 209397830 U CN209397830 U CN 209397830U
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Abstract
The utility model discloses a kind of ultra-high performance concretes to combine prefabricated superposed column, including UHPC cylindrical cross-section prefabricated post and internal steel pipe column, reinforced mesh is connected with inside the UHPC cylindrical cross-section prefabricated post, steel bar stress layer and steel pipe column, poured in place concrete sandwich layer is provided on the inside of the reinforced mesh and steel bar stress layer system, this utility structure is simple, and using UHPC as cylindrical cross-section prefabricated post, utilize the mechanical property of UHPC superelevation, the endurance quality of superelevation, the working performance of superelevation is replaced thicker concrete prefabricated element by relatively thin prefabricated board, be conducive to the power transmission between structure, in the case that construction workload increases seldom at the scene simultaneously, amount of reinforcement can be reduced, realize beam, plate, rod structure reinforcing bar is directly connected to, to enhance plate junction between main structural member Strength and stiffness, significantly improve the stress performance of structure, and practical performance is strong.
Description
Technical field
The utility model relates to technical field of buildings, specially a kind of ultra-high performance concrete combines prefabricated superposed column.
Background technique
With the development of society, the innovation of technology, the core missions of China's building industrialization development are that exploitation agrees with China
The structural system of building industrialization development, but in the prior art, the connection master of assembled rod structure and Vierendeel girder, hardened structure
If beam Reinforcement protrudes into Hou Jiao node area, and will penetrate through column muscle and anchoring beam steel entirety by rear pouring concrete
Perfusion connection, to realize the transmitting of internal force, since reinforcing bar is not that one-piece casting is connect with concrete, structure ductility difference etc. is lacked
Point causes vertical connecting portion to become the weakness of frame structure stress, and practical performance is not strong, in order to solve above-mentioned existing ask
Topic, a kind of ultra-high performance concrete of this practical design combine prefabricated superposed column.
Utility model content
It is not that one-piece casting is connect purpose of the utility model is to solve reinforcing bar exists in the prior art with concrete,
The disadvantages of structure ductility is poor causes vertical connecting portion to become the weakness of frame structure stress, and practical performance is not strong, in order to solve
It is the problems of above-mentioned, and a kind of ultra-high performance concrete proposed combines prefabricated superposed column.
To achieve the above object, the utility model provides the following technical solutions: including UHPC cylindrical cross-section prefabricated post and interior
Portion's steel pipe column is connected with reinforced mesh, steel bar stress layer and steel pipe column inside the UHPC cylindrical cross-section prefabricated post, described
It is provided with poured in place concrete sandwich layer on the inside of reinforced mesh and steel bar stress layer frame, this utility structure is simple, and uses
UHPC utilizes the workability of the mechanical property of UHPC superelevation, the endurance quality of superelevation, superelevation as cylindrical cross-section prefabricated post
Thicker concrete prefabricated element can be replaced by relatively thin prefabricated board, be conducive to the power transmission between structure, while constructing at the scene
Workload increase it is few in the case where, it is possible to reduce amount of reinforcement realizes that beam, plate, rod structure reinforcing bar are directly connected to, to increase
The strength and stiffness of plate junction, significantly improve the stress performance of structure, practical performance is strong between strong main structural member.
Preferably, the UHPC cylindrical cross-section prefabricated post uses concrete material, and UHPC cylindrical cross-section prefabricated post is
It is made of 20mm thickness UHPC ultra-high performance concrete, can according to circumstances adjust the usage amount of concrete, UHPC very-high performance coagulation
Native internal steel bar stress flexible arrangement, greatlys save prefabrication amount of concrete, and component conveying is convenient, and economy is good, and
The presence of UHPC cylindrical cross-section prefabricated post does not need formwork supporting plate, and on-site hoisting UHPC cylindrical cross-section prefabricated post is simple light, quasi-
Really, and speed of application is fast, is conducive to shorten the construction period.
Preferably, be provided with reinforced mesh in the UHPC cylindrical cross-section prefabricated post 1, reinforced mesh by b2@100 reinforcing bar
Mesh sheet is constituted, and b is diameter in the b2@100, and@is spacing, and diameter is the reinforced mesh of 2mm every 100mm cloth in reinforced mesh
It sets once, and reinforced mesh is inside 20mm thickness UHPC cylindrical cross-section prefabricated post.
Preferably, the steel bar stress layer is made of main stress reinforcing bar, stirrup in column, and the main stress reinforcing bar in column stretches out
UHPC cylindrical cross-section prefabricated post both ends, and the reinforcing bar of anchorage length is stretched out, while main stress steel in UHPC cylindrical cross-section prefabricated post
Muscle is by squeezing sleeve connection, and according to the integrated poured self-compacting concrete in beam column core node area, such frame mode just has
Effect solves the problems, such as that the structure ductility of assembling frame structure is poor, vertical connection is weak.
Preferably, the poured in place concrete sandwich layer is poured using self-compacting concrete casting one, self-compacting concrete
Note one has fine homogenieity, can be filled up completely template there is fine and close reinforcing bar, improve production efficiency.
Preferably, the steel pipe column uses seamless steel tubing string, and seamless steel pipe column uniform wall thickness, and pipeline section is long and interface
It is few, while pressure resistance and toughness are prominent.
Compared with prior art, the utility model has the beneficial effects that this utility structure is simple, and UHPC cylindrical cross-section
Prefabricated post does not need formwork supporting plate, and on-site hoisting UHPC cylindrical cross-section prefabricated post is simple light, accurate, and speed of application is fast, favorably
In shortening the construction period, while UHPC is as cylindrical cross-section prefabricated post, using the mechanical property of UHPC superelevation, the endurance quality of superelevation,
The working performance of superelevation is replaced thicker concrete prefabricated element by relatively thin prefabricated board, is conducive to the power transmission between structure,
Be conducive to save manpower, be beneficial to energy conservation environmental protection, advantageously reduce construction cost, saves construction fund.
Detailed description of the invention
Fig. 1 is that the utility model ultra-high performance concrete combines prefabricated superposed column overall structure main view.
Fig. 2 is that the utility model ultra-high performance concrete combines prefabricated superposed column overall structure diagram.
In figure: 1-UHPC cylindrical cross-section prefabricated post, 2- reinforced mesh, 3- steel bar stress layer, 4- poured in place concrete core
Layer, the inside 5- steel pipe column.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of prefabricated overlapping of ultra-high performance concrete combination
Column, including UHPC cylindrical cross-section prefabricated post 1 and internal steel pipe column 5, UHPC cylindrical cross-section prefabricated post 1 use concrete material, and
And UHPC cylindrical cross-section prefabricated post 1 is made of 20mm thickness UHPC ultra-high performance concrete, the UHPC cylindrical cross-section prefabricated post
Be connected with reinforced mesh 2, steel bar stress layer 3 and steel pipe column 5 inside 1, reinforced mesh 2 by b2@100 2 structure of reinforced mesh
At, b is diameter in the b2@100, and@is spacing, and the reinforced mesh 2 that diameter is 2 in reinforced mesh 2 is primary every 100 arrangements,
And reinforced mesh 2, inside 20mm thickness UHPC cylindrical cross-section prefabricated post 1, steel bar stress layer 3 is by main stress reinforcing bar, hoop in column
Muscle forms, and the main stress reinforcing bar in column stretches out 1 both ends of UHPC cylindrical cross-section prefabricated post, and stretches out the reinforcing bar of anchorage length, simultaneously
Main stress reinforcing bar is integrated poured certainly according to beam column core node area by squeezing sleeve connection in UHPC cylindrical cross-section prefabricated post 1
Air-free concrete, such frame mode connection weakness poor with regard to effective structure ductility for solving assembling frame structure, vertical
Problem, steel pipe column 5 use seamless steel tubing string, and seamless steel pipe column uniform wall thickness, pipeline section is long and interface is few, at the same pressure resistance with it is tough
Property it is prominent, be provided with poured in place concrete sandwich layer 4 on the inside of the reinforced mesh 2 and 3 frame of steel bar stress layer, cast in situs
Concrete sandwich layer 4 is using self-compacting concrete casting one, and self-compacting concrete casting one has fine homogenieity, even if depositing
It can be also filled up completely template in fine and close reinforcing bar, improve production efficiency.
The working principle of the utility model are as follows: this practical prefabricated superposed column of combination includes UHPC cylindrical cross-section prefabricated post 1, steel
Muscle mesh sheet 2, steel bar stress layer 3, poured in place concrete sandwich layer 4 and steel pipe column 5 form, cloth in UHPC cylindrical cross-section prefabricated post 1
It is equipped with vertical applied force reinforcing bar 3, stirrup, the vertical applied force reinforcing bar 3 in column stretches out 1 both ends of prefabricated post, and stretches out the steel of anchorage length
Muscle, the closed stirrup one in column are same as stress main reinforcement 3 and go deep into beam column node core area, are used for on-site concrete one-piece casting, group
Prefabricated superposed column and precast beam structure, superimposed sheet structure are closed such as cast-in-place overall structure, and vertical applied force reinforcing bar 3, stirrup are pressed
Respective force request, which is all placed, forms the combination of UHPC ultra-high performance concrete in advance inside 20mm thickness UHPCU type section prefabricated post 1
The first stage stress of superposed column processed, poured in place concrete sandwich layer 4 are located in the steel pipe column 5 in UHPC cylindrical cross-section prefabricated post 1,
Setting is poured one, and preformed layer with the steel bar stress of preformed layer 3 on the inside of reinforced mesh 2 and 3 frame of steel bar stress layer
UHPC cylindrical cross-section prefabricated post 1 uses minimum 20mm thickness, only the one of more points of normal concrete preformed layer thickness, less
1 inside steel bar stress of amount of concrete UHPC cylindrical cross-section prefabricated post, 3 flexible arrangement, greatlys save prefabrication amount of concrete, structure
Part transport convenience, economy is good, and mechanical property, the endurance quality of superelevation, the working performance of superelevation of superelevation are being built
Cost, installation and transportation, structure stress, factory's production, energy conservation and environmental protection etc. function and effect significantly improve.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of ultra-high performance concrete combines prefabricated superposed column, including UHPC cylindrical cross-section prefabricated post (1) and internal steel pipe column
(5), it is characterised in that: be connected with reinforced mesh (2), steel bar stress layer inside the UHPC cylindrical cross-section prefabricated post (1)
(3) and steel pipe column (5), the reinforced mesh (2) and steel bar stress layer (3) frame inside are provided with poured in place concrete sandwich layer
(4)。
2. a kind of ultra-high performance concrete according to claim 1 combines prefabricated superposed column, it is characterised in that: the UHPC
Cylindrical cross-section prefabricated post (1) uses concrete material, and UHPC cylindrical cross-section prefabricated post (1) is by 20mm thickness UHPC superelevation
It can concrete composition.
3. a kind of ultra-high performance concrete according to claim 1 combines prefabricated superposed column, it is characterised in that: the UHPC
It is provided with reinforced mesh (2) in cylindrical cross-section prefabricated post (1), reinforced mesh (2) is made of the reinforced mesh (2) of b2@100, institute
Stating b in b2@100 is diameter, and@is spacing.
4. a kind of ultra-high performance concrete according to claim 1 combines prefabricated superposed column, it is characterised in that: the stress
Steel bar layer (3) is made of main stress reinforcing bar, stirrup in column, and the main stress reinforcing bar in column stretches out UHPC cylindrical cross-section prefabricated post
(1) both ends, and the reinforcing bar of anchorage length is stretched out, while the interior main stress reinforcing bar of UHPC cylindrical cross-section prefabricated post (1) passes through extruded sleeve
Cylinder connection.
5. a kind of ultra-high performance concrete according to claim 1 combines prefabricated superposed column, it is characterised in that: the scene
Casting concrete sandwich layer (4) is using self-compacting concrete casting one.
6. a kind of ultra-high performance concrete according to claim 1 combines prefabricated superposed column, it is characterised in that: the steel pipe
Column (5) uses seamless steel tubing string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821409825.9U CN209397830U (en) | 2018-08-30 | 2018-08-30 | A kind of prefabricated superposed column of ultra-high performance concrete combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821409825.9U CN209397830U (en) | 2018-08-30 | 2018-08-30 | A kind of prefabricated superposed column of ultra-high performance concrete combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209397830U true CN209397830U (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821409825.9U Expired - Fee Related CN209397830U (en) | 2018-08-30 | 2018-08-30 | A kind of prefabricated superposed column of ultra-high performance concrete combination |
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| Country | Link |
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| CN (1) | CN209397830U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364680A (en) * | 2020-04-29 | 2020-07-03 | 中国建筑第七工程局有限公司 | Preformed column for reserved steel bars |
| CN113175156A (en) * | 2021-04-13 | 2021-07-27 | 石河子大学 | Desert sand lightweight aggregate concrete special-shaped column structure with built-in insulation board and construction process thereof |
-
2018
- 2018-08-30 CN CN201821409825.9U patent/CN209397830U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364680A (en) * | 2020-04-29 | 2020-07-03 | 中国建筑第七工程局有限公司 | Preformed column for reserved steel bars |
| CN113175156A (en) * | 2021-04-13 | 2021-07-27 | 石河子大学 | Desert sand lightweight aggregate concrete special-shaped column structure with built-in insulation board and construction process thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190917 Termination date: 20200830 |