CN205857407U - Inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint - Google Patents
Inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint Download PDFInfo
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- CN205857407U CN205857407U CN201620389550.1U CN201620389550U CN205857407U CN 205857407 U CN205857407 U CN 205857407U CN 201620389550 U CN201620389550 U CN 201620389550U CN 205857407 U CN205857407 U CN 205857407U
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- supervisor
- tube
- inner tube
- presstressed reinforcing
- concrete
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Abstract
The utility model discloses inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint, relate generally to steel pipe truss nodes construction applications.Including supervisor, arm, inner tube, described supervisor and arm are square steel tube, one end of described arm and the outer wall of supervisor are welded to connect formation panel point, said inner tube be round steel pipe and coaxial inner conductor be arranged at main pipe, the diameter of said inner tube is less than the length of side of supervisor, the tube wall of inner tube is thinner than the tube wall of supervisor, is filled with concrete, is provided with presstressed reinforcing steel in described concrete along its length between described supervisor and inner tube.The beneficial effects of the utility model are: it has relatively high-bearing capacity, preferable anti-seismic performance, preferable resisting fatigue, bending-twisting performance, and then strengthens steel pipe truss structures general safety performance, ensure that structure has more permanent service life.
Description
Technical field
This utility model relates to steel pipe truss nodes construction applications, specifically inner circle foreign side hollow sandwich band prestressing force concrete steel
Pipe concrete truss tubular joint.
Background technology
Along with social and economic fast development, tube truss structure is in some large scale structure engineerings (such as: gymnasium, exhibition
Shop, bridge and ocean platform etc.) in increasingly favored.The basic component units of tube truss structure 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 bear axial compressive force, axial tension,
Moment of flexure and combinations thereof masterpiece used time, main, arm intersection can occur bending deformation.Simultaneously as supervisor itself also can bear axle
To the combined load of pulling force, axial compressive force, bending and moment of flexure, when load exceedes the critical load of supervisor itself, also can occur
Bending failure 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 for master, arm
The reinforcement of intersection's (passing through position mutually), bending failure and bending for supervisor destroy and do not have any effect.And be responsible for
When occurring to destroy, the impact causing the security performance of whole tube truss structure is bigger, results even in whole tube truss structure
Collapse, cause heavy losses to people's life and property.
Utility model content
The purpose of this utility model is to provide inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss to pass through mutually
Node, it has relatively high-bearing capacity, preferable anti-seismic performance, preferable resisting fatigue, bending-twisting performance, and then strengthens steel pipe truss knot
Structure 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:
Inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint, including supervisor, arm, inner tube,
Described supervisor and arm are square steel tube, and one end of described arm and the outer wall of supervisor are welded to connect formation panel point, described
Inner tube be round steel pipe and coaxial inner conductor be arranged at main pipe, the diameter of said inner tube is less than the length of side of supervisor, the pipe of inner tube
Wall is thinner than the tube wall of supervisor, is filled with concrete, is provided with pre-in described concrete along its length between described supervisor and inner tube
Stress rib.
The panel point that described arm is formed with supervisor is T-shaped node.
The panel point that described arm is formed with supervisor is in Y type node, K-type node, KT type node, lattice section point
Kind, one end that described arm is connected with supervisor is provided with groove.
Said inner tube is normal thin wall construction round steel pipe, and its pipe thickness is the 1/4～1/2 of supervisor's pipe thickness, described
The 1/2～3/4 of a diameter of supervisor's length of side of inner tube.
Described presstressed reinforcing steel is many, and is uniformly distributed in the form of a ring around inner tube.
Contrast prior art, the beneficial effects of the utility model are:
1, this utility model has 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.It is applicable to greatly across, high-bearing capacity
And the steel truss structure in antidetonation earthquake intensity district higher.
2, can guarantee that welding quality, filler metal amount are few according to the groove set by panel point structure, have and improve labor
Dynamic condition, convenient to operate, the function of minimizing welding stress and distortion.
3, less at inboard load due to inner tube, said inner tube pipe thickness is the 1/4～1/2 of supervisor's pipe thickness,
Wall thickness suitably reduces saving consumptive material.The 1/2～3/4 of a diameter of supervisor's length of side of said inner tube, leaves foot between inner tube and supervisor
Enough Concrete Filled passages, it is ensured that integrally-built stability and resistance become effect.
4, described presstressed reinforcing steel is evenly distributed around inner tube, is conducive to keeping integrally-built stability.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model；
Accompanying drawing 2 is the sectional view of the side view of this utility model accompanying drawing 1；
Accompanying drawing 3 is the sectional view of the front view of this utility model accompanying drawing 1；
Accompanying drawing 4 be panel point of the present utility model be the sectional view of the front view of Y type node；
Accompanying drawing 5 be panel point of the present utility model be the sectional view of the front view of K-type node；
Accompanying drawing 6 be panel point of the present utility model be the sectional view of the front view of KT type node；
Accompanying drawing 7 be panel point of the present utility model be the sectional view of the front view of lattice section point.
Label shown in accompanying drawing:
1, supervisor；2, arm；3, inner tube；4, concrete；5, presstressed reinforcing steel.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is expanded on further.Should be understood that these embodiments are merely to illustrate this
Utility model rather than limit scope of the present utility model.In addition, it is to be understood that reading the content that this utility model is lectured
Afterwards, this utility model can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within this Shen equally
Please appended claims limited range.
Described in the utility model is inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint, main body
Structure includes being responsible for 1, arm 2, inner tube 3, and described supervisor 1 and arm 2 are square steel tube, and one end of described arm 2 is with supervisor's 1
Outer wall is welded to connect formation panel point, and said inner tube 3 is responsible for 1 inside for round steel pipe and being arranged at of coaxial inner conductor, described interior
The diameter of pipe 3 is less than the length of side of supervisor 1, and the tube wall of inner tube 3 is thinner than the tube wall of supervisor 1, fills between described supervisor 1 and inner tube 3
There is concrete 4, in described concrete 4, be provided with presstressed reinforcing steel 5 along its length.This utility model has relatively high-bearing capacity, preferably
Anti-seismic performance, preferable resisting fatigue, bending-twisting performance, and then strengthen steel pipe truss structures general safety performance, ensure structure tool
There is more permanent service life.It is applicable to greatly across, high-bearing capacity and the steel truss structure in antidetonation earthquake intensity district higher.
Described arm 2 is T-shaped node with the panel point of supervisor 1 formation.Joint face is neat, stabilized structure.
Described arm 2 is in Y type node, K-type node, KT type node, lattice section point with the panel point of supervisor 1 formation
One, adapts to multiple truss structure, and one end that described arm 2 is connected with supervisor 1 is provided with groove.Ensure welding quality, fill gold
Genus amount is few, have improve working conditions, convenient to operate, reduce welding stress and distortion function.
Said inner tube 3 is normal thin wall construction round steel pipe, and its pipe thickness is the 1/4～1/2 of supervisor's 1 pipe thickness, by
Less at inboard load in inner tube 3, wall thickness suitably reduces saving consumptive material.The 1/2 of a diameter of supervisor 1 length of side of said inner tube 3
～3/4.Enough concrete 4 filling channels are left, it is ensured that integrally-built stability and resistance become between inner tube 3 and supervisor 1
Effect.
Described presstressed reinforcing steel 5 is many, and is uniformly distributed in the form of a ring around inner tube 3.Be conducive to keeping integrally-built surely
Qualitative.
Embodiment 1: described in the utility model is that inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss passes through mutually
Node, agent structure includes being responsible for 1, arm 2, inner tube 3, and described supervisor 1 and arm 2 are square steel tube, one end of described arm 2
Being welded to connect the T-shaped panel point of formation with the outer wall of supervisor 1, its weld strength is not less than the yield strength of supervisor 1.Said inner tube
3 are responsible for 1 inside for round steel pipe and being arranged at of coaxial inner conductor, and the diameter of said inner tube 3 is less than the length of side of supervisor 1, the pipe of inner tube 3
Wall is thinner than the tube wall of supervisor 1, is filled with concrete 4, sets along its length in described concrete 4 between described supervisor 1 and inner tube 3
There is presstressed reinforcing steel 5.Described presstressed reinforcing steel 5 is 8, and is uniformly distributed in the form of a ring around inner tube 3.
Embodiment 2: described in the utility model is that inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss passes through mutually
Node, agent structure includes being responsible for 1, arm 2, inner tube 3, and described supervisor 1 is structure square steel tube, and said inner tube 3 is common thin-walled
Structure round steel pipe, its pipe thickness is the 3/8 of supervisor's 1 pipe thickness, the 5/8 of a diameter of supervisor 1 length of side of said inner tube 3, institute
The outer wall of one end and supervisor 1 of stating arm 2 is welded to connect formation K-type panel point, one end that described arm 2 is connected with supervisor 1
Being provided with groove, described arm 2 uses the form of groove penetration weld to weld with the junction of supervisor 1, and its weld strength is not less than master
The yield strength of pipe 1.Said inner tube 3 is responsible for 1 inside, the diameter ratio of said inner tube 3 for round steel pipe and being arranged at of coaxial inner conductor
The length of side of supervisor 1 is little, and the tube wall of inner tube 3 is thinner than the tube wall of supervisor 1, is filled with high-strength concrete between described supervisor 1 and inner tube 3
4, the intensity of described concrete 4 is not less than C60, is provided with presstressed reinforcing steel 5, described prestressing force in described concrete 4 along its length
Muscle 5 is 6 and is uniformly distributed in the form of a ring around inner tube 3, and need to be to all presstressed reinforcing steel 5 Shi Hanzhang.
Embodiment 3: described in the utility model is that inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss passes through mutually
Node, agent structure includes being responsible for 1, arm 2, inner tube 3, and described supervisor 1 is structure square steel tube, and said inner tube 3 is common thin-walled
Structure round steel pipe, its pipe thickness is the 1/4 of supervisor's 1 pipe thickness, the 1/2 of a diameter of supervisor 1 length of side of said inner tube 3, institute
The outer wall of one end and supervisor 1 of stating arm 2 is welded to connect formation KT type panel point, one end that described arm 2 is connected with supervisor 1
Being provided with groove, described arm 2 uses the form of groove penetration weld to weld with the junction of supervisor 1, and its weld strength is not less than master
The yield strength of pipe 1.Said inner tube 3 is responsible for 1 inside, the diameter ratio of said inner tube 3 for round steel pipe and being arranged at of coaxial inner conductor
The length of side of supervisor 1 is little, and the tube wall of inner tube 3 is thinner than the tube wall of supervisor 1, is filled with high-strength concrete between described supervisor 1 and inner tube 3
4, the intensity of described concrete 4 is not less than C60, is provided with presstressed reinforcing steel 5, described prestressing force in described concrete 4 along its length
Muscle 5 is 12 and is uniformly distributed in the form of a ring around inner tube 3.
Claims (5)
1. inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint, it is characterised in that: include supervisor
(1), arm (2), inner tube (3), described supervisor (1) and arm (2) be square steel tube, one end of described arm (2) and supervisor (1)
Outer wall be welded to connect formation panel point, said inner tube (3) be round steel pipe and coaxial inner conductor to be arranged at supervisor (1) internal,
The diameter of said inner tube (3) is less than the length of side of supervisor (1), and the tube wall of inner tube (3) is thinner than the tube wall of supervisor (1), described supervisor (1)
And it is filled with concrete (4) between inner tube (3), in described concrete (4), is provided with presstressed reinforcing steel (5) along its length.
The most according to claim 1, inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint, it is special
Levy and be: the panel point that described arm (2) is formed with supervisor (1) is T-shaped node.
The most according to claim 1, inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint, it is special
Levy and be: the panel point that described arm (2) is formed with supervisor (1) is in Y type node, K-type node, KT type node, lattice section point
One, described arm (2) is provided with groove with supervisor (1) one end of being connected.
The most according to claim 1, inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint, it is special
Levying and be: said inner tube (3) is normal thin wall construction round steel pipe, its pipe thickness is the 1/4～1/2 of supervisor's (1) pipe thickness,
The 1/2～3/4 of a diameter of supervisor (1) length of side of said inner tube (3).
The most according to claim 1, inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint, it is special
Levy and be: described presstressed reinforcing steel (5) is many, and be uniformly distributed in the form of a ring around inner tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389550.1U CN205857407U (en) | 2016-04-29 | 2016-04-29 | Inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389550.1U CN205857407U (en) | 2016-04-29 | 2016-04-29 | Inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205857407U true CN205857407U (en) | 2017-01-04 |
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ID=57643829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620389550.1U Expired - Fee Related CN205857407U (en) | 2016-04-29 | 2016-04-29 | Inner circle foreign side hollow sandwich band presstressed reinforcing steel concrete-filled steel tube truss tubular joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205857407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323149A (en) * | 2021-06-28 | 2021-08-31 | 同济大学建筑设计研究院(集团)有限公司 | Laminated wood prestressed casing bolt joint and construction method thereof |
-
2016
- 2016-04-29 CN CN201620389550.1U patent/CN205857407U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323149A (en) * | 2021-06-28 | 2021-08-31 | 同济大学建筑设计研究院(集团)有限公司 | Laminated wood prestressed casing bolt joint and construction method thereof |
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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: 20170104 Termination date: 20180429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |