CN205576740U - Rigid support structure of area positioning function - Google Patents
Rigid support structure of area positioning function Download PDFInfo
- Publication number
- CN205576740U CN205576740U CN201620301195.8U CN201620301195U CN205576740U CN 205576740 U CN205576740 U CN 205576740U CN 201620301195 U CN201620301195 U CN 201620301195U CN 205576740 U CN205576740 U CN 205576740U
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- China
- Prior art keywords
- stiff skeleton
- closure section
- sill
- skeleton
- steel
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Abstract
The utility model discloses a rigid support structure of area positioning function, include the bottom end rail, be equipped with the closure section of certain width on the bottom end rail, pre -buried first strength nature skeleton and the second strength nature skeleton that has the collineation setting in the closure section, in first strength nature skeleton one end is stretched out and is buryyed the bottom end rail from closure section one end, the other end and the second strength nature skeleton one end butt of first strength nature skeleton, the other end of second strength nature skeleton stretches out and burys in the bottom end rail from a closure section other end, be equipped with the steel sheet between first strength nature skeleton and the second strength nature skeleton, the other third strength nature skeleton that is equipped with of first strength nature skeleton, in third strength nature skeleton one end was stretched out and is buryyed the bottom end rail from closure section, the other end was located the closure section, the other jack counter -force built -in fitting that sets up with third strength nature skeleton collineation that is equipped with of second strength nature skeleton, jack counter -force built -in fitting is buryyed in the bottom end rail. The utility model discloses have the top and pushing away the regulatory function, solved the problem that concrete shrinkage additional internal force leads to the fracture.
Description
Technical field
This utility model belongs to the super short sill of Bridge Design and construction field, specially Cable-stayed Bridge Pylon and arranges
During closure section construction, a kind of stiff skeleton device applying actively to push up power, also can be used for continuous rigid frame bridge and closes up
The rigidity supporting structure of the band positioning function of section construction.
Background technology
Cable-stayed Bridge Pylon sill position is determined by bridge floor height, does not has the space optimized.For reinforced concrete
Soil A type tower, sill and king-post second section one-piece casting, but owing to lower king-post strut is the shortest, thrust stiffness is big,
Crossbeam concrete shrinkage is formed relatively strong constraint, easily causes king-post and crossbeam cracking, especially lower king-post strut segmentation
Connect batch position the most relatively long-age poor, under peculiar climatic environment, be more likely formed contraction fissure, Theoretical Calculation
Also indicate that shrinkage stress transfinites.Meanwhile, after crossbeam pours, define portal-rigid frames with king-post, temperature can be produced
Degree stress, easily causes infant cracking to the concrete of not up to intensity.
Utility model content
For the deficiency of background technology, the purpose of this utility model is to provide a kind of at the super short sill of Sarasota
Span centre waters closure section after arranging, and by closure section is applied jacking force, is effectively improved the stress of king-post construction
Boundary condition also solves construction time king-post and sill and causes the band of problem of Cracking because of concrete shrinkage additional internal force
The rigidity supporting structure of positioning function.
For reaching above-mentioned purpose, this utility model design band positioning function rigidity supporting structure, including under
Crossbeam, it is characterised in that: described sill is provided with the closure section using concreting of one fixed width,
The two ends of closure section are connected with sill respectively；The first stiffness bone that conllinear is arranged it is embedded with in described closure section
Frame and the second stiff skeleton；Described first stiff skeleton one end is stretched out from closure section one end and imbeds in sill,
The other end of described first stiff skeleton and second stiff skeleton one end abut, described second stiff skeleton another
One end is stretched out from the described closure section other end and imbeds in sill；Described first stiff skeleton and the second stiffness
Steel plate it is provided with between skeleton；It is provided with the 3rd stiff skeleton by described first stiff skeleton；Described 3rd stiffness bone
Frame one end is stretched out from closure section and imbeds in sill, and the other end is positioned at closure section；Described second stiffness bone
The jack counter-force built-in fitting arranged with described 3rd stiff skeleton conllinear, described jack counter-force it is provided with by frame
In built-in fitting embedment sill.
Preferably, the part of described first, second, and third stiff skeleton embedment sill is embedding part, institute
State embedding part outer surface and weld angle steel shear connector and spiral bar uniformly at intervals.
Preferably, described first, second, and third stiff skeleton all uses one group of groove being oppositely arranged
Shaped steel, is welded with multiple spaced batten plate between two U-steels, described batten plate is positioned at U-steel height
The two ends in direction；The leg of described U-steel, towards on the contrary, is provided with gap between the waist of described U-steel.
Preferably, between the lower limb length of the width ＜ 2 × U-steel of batten plate described in the width ＜ in described gap+described
The width of gap.
Preferably, it is provided with multiple lateral steel plate between described first stiff skeleton and the 3rd stiff skeleton.
It is further preferred that described lateral steel plate welds with the leg of described U-steel.
It is further preferred that the angle between adjacent two described lateral steel plates is acute angle.
Preferably, described steel plate is wedge-shaped steel plate, described second stiff skeleton and the abutting of the first stiff skeleton
Inclined-plane, face.
Preferably, the concrete pouring closure section is microdilatancy lower shrinkage concrete.
The beneficial effects of the utility model are: sill casting concrete reaches design strength and reaches the required age after date,
Installing jack between built-in fitting and the second stiff skeleton, classification synchronizes to apply design top power, and active force applies
After completing, polylith wedge-shaped steel plate is used to add according to actual space between the first stiff skeleton and the second stiff skeleton
Padding is tight, and jack return also takes out, and connects rigid reinforcement and support template carries out closure section concreting；
Stiff skeleton embedment sill part is welded with angle steel shear connector and spiral bar ensures that sill concrete is to stiffness bone
The bond stress of frame also reduces concentration of local stress.Meet requirement in this utility model not only rigidity, and have both
Pushing tow regulatory function, improve king-post construction by force boundary condition and solve construction time king-post and sill
The problem causing cracking because of concrete shrinkage additional internal force.
Accompanying drawing explanation
Fig. 1 is elevation of the present utility model；
Fig. 2 is plane graph of the present utility model；
Fig. 3 is side view of the present utility model；
Fig. 4 is the Section A-A figure of Fig. 1；
In figure: sill 1, closure section the 2, first stiff skeleton the 3, second stiff skeleton the 4, the 3rd stiffness
Skeleton 5, jack counter-force built-in fitting 6, jack 7, angle steel shear connector 8, spiral bar 9, steel plate 10,
U-steel 11, batten plate 12, lateral steel plate 13.
Detailed description of the invention
Below by Fig. 1～Fig. 4 and the mode of enumerating alternative embodiments more of the present utility model, to this reality
It is described in further detail, in the present embodiment by novel technical scheme (including optimal technical scheme)
Any technical characteristic and any technical scheme are all not intended to protection domain of the present utility model.
The rigidity supporting structure of band positioning function as shown in FIG. 1 to 3, including sill 1, described under
Crossbeam 1 be provided with one fixed width use concreting closure section 2, the two ends of closure section 2 respectively with under
Crossbeam 1 connects；The rigid reinforcement of sill 1 need to block and reserved overlap joint size, lower horizontal stroke at closure section 2
When beam 1 is constructed, quantity is first stiff skeleton the 3, second stiff skeleton the 4, the 3rd stiffness bone of four
Frame 5, jack counter-force built-in fitting 6 install location, and pour together with sill 1 concrete；Jack is anti-
The effect of power built-in fitting 6 is to provide pushing reaction when jack 7 pushing tow for jack 7；Described closure section 2
Inside it is embedded with the first stiff skeleton 3 and the second stiff skeleton 4 that conllinear is arranged；Described first stiff skeleton 3 one
End stretches out from closure section 2 one end and imbeds in sill 1, the other end of described first stiff skeleton 3 and the
Two stiff skeleton 4 one end abut, and the other end of described second stiff skeleton 4 is from described closure section 2 other end
Stretch out and imbed in sill 1；It is provided with steel plate between described first stiff skeleton 3 and the second stiff skeleton 4
10, it is preferred that described steel plate 10 is wedge-shaped steel plate, described second stiff skeleton 4 and the first stiff skeleton 3
Bearing surface inclined-plane；Described first stiff skeleton 3 is other is provided with the 3rd stiff skeleton 5；Described 3rd stiff skeleton
5 one end are stretched out from closure section 2 and imbed in sill 1, and the other end is positioned at closure section 2；Described second strength
Property bone 4 frame by be provided with and described 3rd stiff skeleton 5 conllinear arrange jack counter-force built-in fitting 6, described thousand
Jin top counter-force built-in fitting 6 is imbedded in sill 1.First stiff skeleton, the second stiff skeleton the 4, the 3rd stiffness
Skeleton 5 is imbedded sill 1 concrete parts and is referred to as embedding part, described embedding part outer surface for convenience
Welding angle steel shear connector 8 and spiral bar 9 uniformly at intervals, with ensure sill 1 concrete to stiff skeleton (3～
5) bond stress also reduces concentration of local stress, reserved between the first stiff skeleton 3 and the second stiff skeleton 4
1cm space, installs wedge-shaped steel plate 10.Treat that sill 1 concrete reaches design strength and reaches the required age after date, in advance
Installing jack 7 between embedded part 6 and the 3rd stiff skeleton 5, then classification synchronizes to apply design top power, actively
After power has applied, use polylith according to actual space between the first stiff skeleton 3 and the second stiff skeleton 4
Wedge-shaped steel plate 10 cushioning stoppers, subsequently jack 7 return taking out, and connects the rigid reinforcement of sill and props up
Protecting template uses microdilatancy lower shrinkage concrete to carry out closure section concreting.
As shown in Figure 4, described first, second, and third stiff skeleton (3～5) all uses one group relatively to set
The U-steel 11 put, is welded with multiple spaced batten plate 12, described batten plate between two U-steels 11
12 two ends being positioned at U-steel 11 short transverse；The leg of described U-steel 11 towards on the contrary, described grooved
It is provided with gap between the waist of steel 11.Preferably, the width ＜ 2 of batten plate described in the width ＜ in described gap ×
The width in the lower limb length of U-steel+described gap.
The most as shown in Figure 2, it is preferred that be provided with between described first stiff skeleton 3 and the 3rd stiff skeleton 5
Multiple lateral steel plates 13.
The most as shown in Figure 4, described lateral steel plate 13 welds with the leg of described U-steel 11.Preferably,
The adjacent angle between two described lateral steel plates 13 is acute angle.
Claims (9)
1. the rigidity supporting structure of a band positioning function, including sill (1), it is characterized in that: described sill (1) is provided with the closure section (2) using concreting of one fixed width, and the two ends of closure section (2) are connected with sill (1) respectively；The first stiff skeleton (3) and the second stiff skeleton (4) that conllinear is arranged it is embedded with in described closure section (2)；Described first stiff skeleton (3) one end is stretched out from closure section (2) one end and imbeds in sill (1), the other end of described first stiff skeleton (3) and the second stiff skeleton (4) one end abut, and the other end of described second stiff skeleton (4) stretches out from described closure section (2) other end and imbeds in sill (1)；It is provided with steel plate (10) between described first stiff skeleton (3) and the second stiff skeleton (4)；Described first stiff skeleton (3) is other is provided with the 3rd stiff skeleton (5)；Described 3rd stiff skeleton (5) one end is stretched out from closure section (2) and imbeds in sill (1), and the other end is positioned at closure section (2)；Described second stiff skeleton (4) is other is provided with jack counter-force built-in fitting (6) arranged with described 3rd stiff skeleton (5) conllinear, in described jack counter-force built-in fitting (6) embedment sill (1).
The rigidity supporting structure of band the most according to claim 1 positioning function, it is characterized in that: the part of described first, second, and third stiff skeleton embedment sill (1) is embedding part, and described embedding part outer surface welds angle steel shear connector (8) and spiral bar (9) uniformly at intervals.
The rigidity supporting structure of band the most according to claim 1 and 2 positioning function, it is characterized in that: described first, second, and third stiff skeleton all uses one group of U-steel being oppositely arranged (11), being welded with multiple spaced batten plate (12) between two U-steels (11), described batten plate (12) is positioned at the two ends of U-steel (11) short transverse；The leg of described U-steel (11), towards on the contrary, is provided with gap between the waist of described U-steel (11).
The rigidity supporting structure of band the most according to claim 3 positioning function, it is characterised in that: the width in the lower limb length+described gap of width ＜ 2 × U-steel (11) of batten plate (12) described in the width ＜ in described gap.
The rigidity supporting structure of band the most according to claim 3 positioning function, it is characterised in that: it is provided with multiple lateral steel plate (13) between described first stiff skeleton (3) and the 3rd stiff skeleton (5).
The rigidity supporting structure of band the most according to claim 5 positioning function, it is characterised in that: described lateral steel plate (13) is welded with the leg of described U-steel (11).
The rigidity supporting structure of band the most according to claim 5 positioning function, it is characterised in that: the adjacent angle between two described lateral steel plates (13) is acute angle.
The rigidity supporting structure of band the most according to claim 1 positioning function, it is characterised in that: described steel plate (10) is wedge-shaped steel plate, described second stiff skeleton (4) and the bearing surface inclined-plane of the first stiff skeleton (3).
The rigidity supporting structure of band the most according to claim 1 positioning function, it is characterised in that: the concrete pouring closure section (2) is microdilatancy lower shrinkage concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301195.8U CN205576740U (en) | 2016-04-12 | 2016-04-12 | Rigid support structure of area positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301195.8U CN205576740U (en) | 2016-04-12 | 2016-04-12 | Rigid support structure of area positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205576740U true CN205576740U (en) | 2016-09-14 |
Family
ID=56865631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620301195.8U Expired - Fee Related CN205576740U (en) | 2016-04-12 | 2016-04-12 | Rigid support structure of area positioning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205576740U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780650A (en) * | 2016-04-12 | 2016-07-20 | 中交第二航务工程局有限公司 | Rigid support structure with position adjusting function |
| CN113356055A (en) * | 2021-07-19 | 2021-09-07 | 中铁二院工程集团有限责任公司 | Suspension bridge tower and construction method thereof |
-
2016
- 2016-04-12 CN CN201620301195.8U patent/CN205576740U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780650A (en) * | 2016-04-12 | 2016-07-20 | 中交第二航务工程局有限公司 | Rigid support structure with position adjusting function |
| CN105780650B (en) * | 2016-04-12 | 2017-08-29 | 中交第二航务工程局有限公司 | Rigidity supporting structure with positioning function |
| CN113356055A (en) * | 2021-07-19 | 2021-09-07 | 中铁二院工程集团有限责任公司 | Suspension bridge tower 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20210412 |