CN205530713U - Take prestressing tendons cavity intermediate layer circular steel tube concrete truss node - Google Patents
Take prestressing tendons cavity intermediate layer circular steel tube concrete truss node Download PDFInfo
- Publication number
- CN205530713U CN205530713U CN201620390683.0U CN201620390683U CN205530713U CN 205530713 U CN205530713 U CN 205530713U CN 201620390683 U CN201620390683 U CN 201620390683U CN 205530713 U CN205530713 U CN 205530713U
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- CN
- China
- Prior art keywords
- inner tube
- supervisor
- concrete
- presstressed reinforcing
- reinforcing steel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a take prestressing tendons cavity intermediate layer circular steel tube concrete truss node, including be responsible for, with the branch pipe of being responsible for fixed connection, wear to establish and be responsible for inside inner tube, the person in charge, inner tube and branch pipe are circular steel tube, formation truss node is connected with the person in charge's outer wall welding to the one end of branch pipe, the wall thickness degree of inner tube is less than the person in charge's wall thickness degree, the external diameter of inner tube is lighter than main bore of pipe, the interior concrete -filled of cavity who forms between the inner tube and the person in charge, length direction along the inner tube in the concrete sets up prestressing tendons. The utility model discloses a concrete -filled in inner tube and the cavity that be responsible for to form makes it have higher bearing capacity, better anti -seismic performance, better antifatigue, bending resistance and turns round the performance, and then the whole security performance of reinforcing steel pipe truss structure, and guarantee steel pipe truss structure has more permanent life.
Description
Technical field
This utility model relates generally to steel pipe truss nodes construction applications, specifically a kind of band presstressed reinforcing steel hollow
Interlayer concrete filled steel tube panel point.
Background technology
Along with social and economic fast development, tube truss structure in some large scale structure engineerings, as gymnasium,
Exhibition center, bridge and ocean platform etc. are increasingly favored in building.Tube truss structure substantially form list
Unit is welded tubular joints, but owing to the radial rigidity of pipe node supervisor is far smaller than the axial rigidity of arm,
When arm bears axial compressive force, axial tension, moment of flexure and combinations thereof the masterpiece used time, main, arm intersection meeting
There is bending deformation.Simultaneously as supervisor itself also can bear axial tension, axial compressive force, bending and curved
The combined load of square, when load exceedes the critical load of supervisor itself, also can bend destruction or bending
Destroy.At present, the failure mode for master, arm intersection has had more reinforcement means, such as: ring
Oralia is reinforced, carbon cloth reinforced, collar extension casing reinforcement, plate reinforcing etc., but above reinforcing mode is only
Only for master, the reinforcement of arm intersection (passing through position mutually), bending failure and bending for supervisor are broken
Badly do not have any effect.And when being responsible for generation destruction, the security performance of whole tube truss structure is caused
Impact bigger, result even in whole tube truss structure and collapse, cause sternly to people's life and property
Heavily lose.
Utility model content
In order to solve deficiency of the prior art, this utility model provides a kind of band presstressed reinforcing steel hollow sandwich circle
Concrete-filled steel tube truss node, fill concrete in inner tube with the cavity of supervisor's formation so that it is have higher
Bearing capacity, preferable anti-seismic performance, preferable resisting fatigue, bending-twisting performance, and then strengthen steel pipe truss structures
General safety performance, ensures that structure has more permanent service life.
This utility model for achieving the above object, is achieved through the following technical solutions:
A kind of band presstressed reinforcing steel hollow sandwich concrete filled steel tube panel point, fixing including supervisor and supervisor
The arm that connects, being located in the inner tube of main pipe, described supervisor, inner tube and arm are round steel pipe, institute
The outer wall of one end and supervisor of stating arm is welded to connect formation panel point, and the pipe thickness of said inner tube is less than
The pipe thickness of supervisor, the external diameter of said inner tube, less than the internal diameter of supervisor, is formed between said inner tube and supervisor
Cavity in fill concrete, in described concrete, the length direction along inner tube arranges presstressed reinforcing steel.
Described arm with supervisor formed panel point T-shaped/Y type/K-type/KT type/X-type structure.
One end that described arm is connected with supervisor is provided with groove.
The pipe thickness of said inner tube is 0.25 times～0.5 times of pipe thickness of supervisor, said inner tube straight
Footpath is 0.5 times～0.75 times of the diameter of supervisor.
Said inner tube is coaxially disposed with supervisor.
Described presstressed reinforcing steel is many, and is uniformly distributed in the form of a ring around inner tube.
Described concrete is high-strength concrete, and its intensity is not less than C60.
Contrast prior art, this utility model has the beneficial effects that:
1, this utility model fill concrete in inner tube with the cavity of supervisor's formation so that it is there is relatively high-mechanic
Power, preferable anti-seismic performance, preferable resisting fatigue, bending-twisting performance, and then it is overall to strengthen steel pipe truss structures
Security performance, ensures that structure has more permanent service life, it is adaptable to greatly strong across, high-bearing capacity and antidetonation
Spend the steel truss structure in district higher.
2, arm and supervisor are formed panel point is T-shaped/Y type/K-type/KT type/X-type structure, and Ke Yigen
According to needs, adapt to multiple truss structure.
3, one end that arm is connected with supervisor is provided with groove, it is ensured that welding quality, filler metal amount are few, tool
Have improve working conditions, convenient to operate, reduce welding stress and distortion function.
4, the pipe thickness of inner tube is 0.25 times～0.5 times of pipe thickness of supervisor, owing to inner tube is in inboard
Load less, wall thickness suitably can reduce consumptive material, cost-effective, and the diameter of inner tube is the diameter of supervisor
0.5 times～0.75 times so that between inner tube and supervisor, leave enough Concrete Filled passages, it is ensured that overall
The stability of structure and resistance become effect.
5, inner tube is coaxially disposed with supervisor so that the cavity between inner tube and supervisor is uniformly arranged, and makes filling
Concrete is uniformly distributed, and makes overall structure of the present utility model uniform, Stability Analysis of Structures.
6, presstressed reinforcing steel is many, and is uniformly distributed in the form of a ring around inner tube, be beneficial to keep integrally-built surely
Qualitative.
7, concrete is high-strength concrete, and its intensity is not less than C60, improves the intensity of supervisor further, from
And improve the integrally-built stability of this utility model and resistance change effect further.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model；
Accompanying drawing 2 is the sectional view of the left view of accompanying drawing 1；
Accompanying drawing 3 is the sectional view of the front view of accompanying drawing 1；
Accompanying drawing 4 is the structural representation of y-type structure panel point；
Accompanying drawing 5 is the structural representation of K-type structure truss node；
Accompanying drawing 6 is the structural representation of KT type structure truss node；
Accompanying drawing 7 is the structural representation of X-type structure truss node；
Label shown in accompanying drawing: 1, supervisor；2, arm；3, inner tube；4, concrete；5, presstressed reinforcing steel.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be understood that these are implemented
Example is merely to illustrate this utility model rather than limits scope of the present utility model.In addition, it is to be understood that readding
After having read the content that this utility model is lectured, this utility model can be made various changing by those skilled in the art
Moving or amendment, these equivalent form of values fall within the application appended claims limited range equally.
A kind of band presstressed reinforcing steel 5 hollow sandwich concrete filled steel tube 4 panel point, including being responsible for 1 and being responsible for
1 fixing connect arm 2, be located in supervisor's inner tube 3 within 1, described supervisor 1, inner tube 3 and arm 2
Being round steel pipe, one end of described arm 2 is welded to connect formation panel point, arm 2 with the outer wall of supervisor 1
Welding with the form of supervisor 1 employing groove penetration weld, the surrender that its weld strength is not less than supervisor 1 is strong
Degree.The pipe thickness of said inner tube 3 is less than the pipe thickness of supervisor 1, and the external diameter of said inner tube 3 is less than main
The internal diameter of pipe 1, fill concrete 4 in the cavity formed between said inner tube 3 and supervisor 1, described concrete
In 4, the length direction along inner tube 3 arranges presstressed reinforcing steel 5.This utility model is due to inner tube 3 and supervisor 1 formation
Cavity in fill concrete 4 so that it is have relatively high-bearing capacity, preferable anti-seismic performance, preferable resisting fatigue,
Bending-twisting performance, and then strengthen steel pipe truss structures general safety performance, ensure that steel pipe truss structures has more
Permanent service life, it is adaptable to greatly across, high-bearing capacity and the steel truss structure in antidetonation earthquake intensity district higher.
Further, described arm 2 T-shaped with the panel point of supervisor 1 formation/Y type/K-type/KT type/X
Type structure, can adapt to multiple truss structure as required.
Further, one end that described arm 2 is connected with supervisor 1 is provided with groove, it is ensured that welding quality,
Filler metal amount is few, have improve working conditions, convenient to operate, reduce welding stress and distortion function.
The pipe thickness of said inner tube 3 is 0.25 times～0.5 times of the pipe thickness of supervisor 1, due to inner tube
3 is less at inboard loads, and wall thickness suitably reduces consumptive material, cost-effective, and the diameter of said inner tube 3 is supervisor
0.5 times of the diameter of 1～0.75 times, leave enough concrete 4 between inner tube 3 and supervisor 1 and fill logical
Road, it is ensured that integrally-built stability and resistance become effect.
Further, said inner tube 3 is coaxially disposed with supervisor 1 so that the sky between inner tube 3 and supervisor 1
Chamber is uniformly arranged, and the concrete 4 just filled is uniformly distributed, and makes this utility model overall structure uniform, structure
Stable.
Further, described presstressed reinforcing steel 5 is many, and is uniformly distributed in the form of a ring around inner tube 3, is beneficial to
Keep integrally-built stability.
Further, described concrete 4 is high-strength concrete 4, and its intensity is not less than C60.
Embodiment 1
A kind of band presstressed reinforcing steel 5 hollow sandwich concrete filled steel tube 4 panel point, including being responsible for 1 and being responsible for
1 fixing connect arm 2, be located in supervisor's inner tube 3 within 1, described supervisor 1, inner tube 3 and arm 2
It is round steel pipe, and inner tube 3 is coaxially disposed with supervisor 1.One end of described arm 2 and the outer wall being responsible for 1
Being welded to connect the T-shaped panel point of formation, one end that described arm 2 is connected with supervisor 1 is provided with groove, arm 2
Welding with the form of supervisor 1 employing groove penetration weld, the surrender that its weld strength is not less than supervisor 1 is strong
Degree.The pipe thickness of inner tube 3 is 0.25 times of the pipe thickness of supervisor 1, and the diameter of inner tube 3 is supervisor 1
0.5 times of diameter, fill concrete 4 in the cavity formed between said inner tube 3 and supervisor 1, described mixed
Solidifying soil 4 is high-strength concrete 4, and its intensity is not less than C60.Along the length side of inner tube 3 in described concrete 4
To arranging presstressed reinforcing steel 5, presstressed reinforcing steel 5 is 4, and is uniformly distributed in the form of a ring around inner tube 3.This enforcement
Having the beneficial effects that of example: there is relatively high-bearing capacity, preferable anti-seismic performance, preferable resisting fatigue, bending-twisting
Performance, and then strengthen steel pipe truss structures general safety performance, ensure that structure has more permanent service life.
Embodiment 2
A kind of band presstressed reinforcing steel 5 hollow sandwich concrete filled steel tube 4 panel point, including being responsible for 1 and being responsible for
1 fixing connect arm 2, be located in supervisor's inner tube 3 within 1, described supervisor 1, inner tube 3 and arm 2
It is round steel pipe, and inner tube 3 is coaxially disposed with supervisor 1.One end of described arm 2 and the outer wall being responsible for 1
Being welded to connect formation Y type panel point, arm 2 welds with the form of supervisor 1 employing groove penetration weld,
Its weld strength is not less than the yield strength of supervisor 1.The pipe thickness of inner tube 3 is the pipe thickness of supervisor 1
0.5 times, the diameter of inner tube 3 is 0.75 times of diameter of supervisor 1, between said inner tube 3 and supervisor 1
Fill concrete 4 in the cavity formed.In described concrete 4, the length direction along inner tube 3 arranges presstressed reinforcing steel
5, presstressed reinforcing steel 5 is 8, and need to be to all presstressed reinforcing steel 5 Shi Hanzhang.The useful effect of the present embodiment
Fruit is: have relatively high-bearing capacity, preferable anti-seismic performance, preferable resisting fatigue, bending-twisting performance, and then
Strengthen steel pipe truss structures general safety performance, ensure that structure has more permanent service life.
Embodiment 3
A kind of band presstressed reinforcing steel 5 hollow sandwich concrete filled steel tube 4 panel point, including being responsible for 1 and being responsible for
1 fixing connect arm 2, be located in supervisor's inner tube 3 within 1, described supervisor 1, inner tube 3 and arm 2
It is round steel pipe, and inner tube 3 is coaxially disposed with supervisor 1.One end of described arm 2 and the outer wall being responsible for 1
Being welded to connect formation K-type/KT type panel point, arm 2 is carried out with the form of supervisor 1 employing groove penetration weld
Welding, its weld strength is not less than the yield strength of supervisor 1.The pipe thickness of inner tube 3 is the pipe of supervisor 1
0.4 times of wall thickness, the diameter of inner tube 3 is 0.6 times of the diameter of supervisor 1, said inner tube 3 and supervisor 1
Between formed cavity in fill concrete 4, described concrete 4 is high-strength concrete 4.Described concrete 4
The middle length direction along inner tube 3 arranges presstressed reinforcing steel 5, and presstressed reinforcing steel 5 is 12, and around inner tube 3 in
Ring-type it is uniformly distributed.The present embodiment has relatively high-bearing capacity, preferable anti-seismic performance, preferable resisting fatigue, resists
Bending performance, steel pipe truss structures general safety performance is high, ensures that structure has more permanent service life.
Embodiment 4
A kind of band presstressed reinforcing steel 5 hollow sandwich concrete filled steel tube 4 panel point, including being responsible for 1 and being responsible for
1 fixing connect arm 2, be located in supervisor's inner tube 3 within 1, described supervisor 1, inner tube 3 and arm 2
It is round steel pipe, and inner tube 3 is coaxially disposed with supervisor 1.One end of described arm 2 and the outer wall being responsible for 1
Being welded to connect formation X-type panel point, arm 2 welds with the form of supervisor 1 employing groove penetration weld,
Its weld strength is not less than the yield strength of supervisor 1.The pipe thickness of inner tube 3 is the pipe thickness of supervisor 1
0.45 times, the diameter of inner tube 3 is 0.7 times of diameter of supervisor 1, between said inner tube 3 and supervisor 1
Fill concrete 4 in the cavity formed.In described concrete 4, the length direction along inner tube 3 arranges 16 in advance
Stress rib 5.Having the beneficial effects that of the present embodiment: there is relatively high-bearing capacity, preferable anti-seismic performance, preferably
Resisting fatigue, bending-twisting performance, and then strengthen steel pipe truss structures general safety performance, ensure that structure has more
Permanent service life.
Claims (7)
1. a band presstressed reinforcing steel hollow sandwich concrete filled steel tube panel point, is characterized in that: include supervisor
(1) inner tube (3) fix, with supervisor (1), the arm (2) being connected, being located in supervisor (1) inside,
Described supervisor (1), inner tube (3) and arm (2) are round steel pipe, one end of described arm (2) and master
The outer wall of pipe (1) is welded to connect formation panel point, and the pipe thickness of said inner tube (3) is less than supervisor (1)
Pipe thickness, the external diameter of said inner tube (3) is less than the internal diameter of supervisor (1), and said inner tube (3) is with main
Fill concrete (4) in the cavity formed between pipe (1), along inner tube (3) in described concrete (4)
Length direction arranges presstressed reinforcing steel (5).
A kind of band presstressed reinforcing steel hollow sandwich concrete filled steel tube truss joint the most according to claim 1
Point, is characterized in that: described arm (2) is T-shaped with supervisor (1) panel point that formed/and Y type/K-type/KT
Type/X-type structure.
A kind of band presstressed reinforcing steel hollow sandwich concrete filled steel tube truss joint the most according to claim 1
Point, is characterized in that: one end that described arm (2) is connected with supervisor (1) is provided with groove.
A kind of band presstressed reinforcing steel hollow sandwich concrete filled steel tube truss joint the most according to claim 1
Point, is characterized in that: the pipe thickness of said inner tube (3) be 0.25 times of pipe thickness of supervisor (1)～
0.5 times, the diameter of said inner tube (3) is 0.5 times～0.75 times of the diameter of supervisor (1).
A kind of band presstressed reinforcing steel hollow sandwich concrete filled steel tube truss joint the most according to claim 1
Point, is characterized in that: said inner tube (3) is coaxially disposed with supervisor (1).
A kind of band presstressed reinforcing steel hollow sandwich concrete filled steel tube truss joint the most according to claim 1
Point, is characterized in that: described presstressed reinforcing steel (5) is many, and is uniformly distributed in the form of a ring around inner tube (3).
A kind of band presstressed reinforcing steel hollow sandwich concrete filled steel tube truss joint the most according to claim 1
Point, is characterized in that: described concrete (4) is high-strength concrete (4), and its intensity is not less than C60.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390683.0U CN205530713U (en) | 2016-04-29 | 2016-04-29 | Take prestressing tendons cavity intermediate layer circular steel tube concrete truss node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390683.0U CN205530713U (en) | 2016-04-29 | 2016-04-29 | Take prestressing tendons cavity intermediate layer circular steel tube concrete truss node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205530713U true CN205530713U (en) | 2016-08-31 |
Family
ID=56795565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620390683.0U Expired - Fee Related CN205530713U (en) | 2016-04-29 | 2016-04-29 | Take prestressing tendons cavity intermediate layer circular steel tube concrete truss node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205530713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356290A (en) * | 2018-11-05 | 2019-02-19 | 贺州学院 | A kind of assembled steel tube truss structure node component |
-
2016
- 2016-04-29 CN CN201620390683.0U patent/CN205530713U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356290A (en) * | 2018-11-05 | 2019-02-19 | 贺州学院 | A kind of assembled steel tube truss structure node component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |