CN204401605U - There is steel pipe composite pile and the shear connections structure thereof of shear connections structure - Google Patents
There is steel pipe composite pile and the shear connections structure thereof of shear connections structure Download PDFInfo
- Publication number
- CN204401605U CN204401605U CN201420748418.6U CN201420748418U CN204401605U CN 204401605 U CN204401605 U CN 204401605U CN 201420748418 U CN201420748418 U CN 201420748418U CN 204401605 U CN204401605 U CN 204401605U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- rectangular metal
- shear connections
- metal bar
- connections structure
- Prior art date
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of steel pipe composite pile and the shear connections structure thereof with shear connections structure.The steel pipe composite pile with shear connections structure comprises the steel pipe of hollow and is fixedly arranged on the shear connections structure of this steel pipe inner wall, wherein, this shear connections structure comprises multiple rectangular metal bar, the plurality of rectangular metal bar all has certain thickness and laminating is fixedly arranged on the steel pipe inner wall of steel pipe composite pile hollow, the plurality of rectangular metal bar equidistantly distributes at the vertical direction of this steel pipe inner wall, and at least arranges a rectangular metal bar in the horizontal direction of this steel pipe inner wall.Shear connections structure is set in steel pipe composite pile, thus its overall stressed and deformation performance is improved.The shear connections structure that the utility model adopts can make steel pipe and core concrete cooperative bearing, jointly resists external load, effectively reduces construction costs.Its scope of application is more extensive simultaneously, may be used for the large diameter steel pipe composite pile in bridge engineering.
Description
Technical field
The utility model is used for deep-water bridge pile foundation field, particularly relates to a kind of steel pipe composite pile and the shear connections structure thereof with shear connections structure.
Background technology
Large diameter steel pipe composite pile, because bearing capacity of single pile is higher, process for sinking is relatively simple, soil discharge quantity is less and bending resistance strong, is applied in the Important Project such as bridge spanning the sea, large deepwater port harbour more and more widely.Due to the reason steel pipe inner wall inevitably residual certain thickness mud skin of construction, for avoiding steel pipe inner wall to corrode and brushing corrosion-inhibiting coating during offshore construction, both existence may have a negative impact to the stressed of steel pipe composite pile and distortion, and the adhesion strength between steel pipe and concrete is reduced.
For increasing bonding between the two, steel pipe inner wall of being everlasting in engineering welding shear connections structure.At present, conventional shear connections form of structure mainly contains steel plate ring, reinforced steel bar ring and reinforcing bar nail.Recommend steel plate ring (toroidal membrane) shear connections structure in " encased structures design and construction code ", the width of restriction steel plate ring is less than d/15 and is not more than 50mm.Reinforcing bar nail length is unsuitable oversize, can limit its draw ratio and be not more than 4.When connector width is 6mm ~ 30mm, connector spacing at least should remain between 150mm ~ 210mm.When arranging two layers or multilayer reinforcing bar nail, advise that the horizontal spacing of every layer of reinforcing bar nail is not less than 4 times of reinforcing bar nail diameters, interfloor distance should be not less than 6 times of reinforcing bar nail diameters.
Existing steel pipe composite pile is generally do not possess shear connections structure, and has the composite pile of shear connections structure, and its footpath is general all less.For the steel pipe composite pile not possessing shear connections structure, owing to there is slippage between steel pipe and core concrete, jointly can not resist external load by cooperative bearing, therefore without the steel pipe composite pile of shearing resistance syndeton, design does not generally consider that steel pipe participation is stressed.The steel pipe composite pile with shear connections structure in paxilla footpath is general only for industry and civilian construction, bridge engineering application not yet has precedent, and simultaneously the structural form of the shear connections structure of minor-diameter steel-tube composite pile applied of industry and civilian construction also and be not suitable for the large diameter steel pipe composite pile used in bridge engineering.
Utility model content
(1) technical problem that will solve
For strengthening steel pipe and core concrete adhesion strength between the two, the utility model provides a kind of steel pipe composite pile and the shear connections structure thereof with shear connections structure.
(2) technical scheme
In order to achieve the above object, the utility model provides a kind of steel pipe composite pile with shear connections structure, the steel pipe comprising hollow and the shear connections structure being fixedly arranged on this steel pipe inner wall, wherein, this shear connections structure comprises multiple rectangular metal bar, the plurality of rectangular metal bar all has certain thickness and laminating is fixedly arranged on the steel pipe inner wall of steel pipe composite pile hollow, the plurality of rectangular metal bar equidistantly distributes at the vertical direction of this steel pipe inner wall, and at least arranges a rectangular metal bar in the horizontal direction of this steel pipe inner wall.
Preferably, the thickness of described rectangular metal bar is d2, and width is m, and width m is the twice of thickness d 2, and the span of thickness d 2 is 4mm ~ 38mm.
Preferably, at the vertical direction of described steel pipe inner wall, the line space L of each rectangular metal bar is the twice being not more than steel duct diameter D, and the span of steel duct diameter D is 315mm ~ 3612mm.
Preferably, in the horizontal direction of described steel pipe inner wall, spaced set 1 to 3 rectangular metal bar.
Preferably, described rectangular metal bar adopts the mode of fillet welding or spot welding to fit to be fixedly arranged on the steel pipe inner wall of steel pipe composite pile hollow.
For achieving the above object, the utility model additionally provides a kind of shear connections structure being applied to described steel pipe composite pile, comprise multiple rectangular metal bar, the plurality of rectangular metal bar all has certain thickness and laminating is fixedly arranged on the steel pipe inner wall of steel pipe composite pile hollow, the plurality of rectangular metal bar equidistantly distributes at the vertical direction of this steel pipe inner wall, and at least arranges a rectangular metal bar in the horizontal direction of this steel pipe inner wall.
Preferably, the thickness of described rectangular metal bar is d2, and width is m, and width m is the twice of thickness d 2, and the span of thickness d 2 is 4mm ~ 38mm.
Preferably, at the vertical direction of described steel pipe inner wall, the line space L of each rectangular metal bar is the twice being not more than steel duct diameter D, steel duct diameter D span be 315mm ~ 3612mm.
Preferably, in the horizontal direction of described steel pipe inner wall, spaced set 1 to 3 rectangular metal bar.
Preferably, described rectangular metal bar adopts the mode of fillet welding or spot welding to fit to be fixedly arranged on the steel pipe inner wall of steel pipe composite pile hollow.
(3) beneficial effect
As can be seen from technique scheme, the utility model has following beneficial effect:
1, the steel pipe composite pile with shear connections structure that the utility model provides and shear connections structure thereof, the shear connections structure of employing can make steel pipe and core concrete cooperative bearing, jointly resists external load, effectively reduces construction costs.Its scope of application is more extensive simultaneously, may be used for the large diameter steel pipe composite pile in bridge engineering.
2, the steel pipe composite pile with shear connections structure that the utility model provides and shear connections structure thereof, line space between each rectangular metal bar has remarkable impact to steel pipe composite pile adhesion strength, rigidity and load-carrying properties, with the increase of its line space, steel pipe composite pile adhesion strength, rigidity and load-carrying properties increase rate reduce.Shear connections structure is set in steel pipe composite pile, thus its overall stressed and deformation performance is improved.
Accompanying drawing explanation
Fig. 1 is the generalized section of steel pipe composite pile at vertical direction with shear connections structure according to the utility model embodiment, and it arranges 3 rectangular metal bars at the vertical direction of steel pipe inner wall.
Fig. 2-Fig. 4 is the cross sectional representation in the horizontal direction of the steel pipe composite pile with shear connections structure according to the utility model embodiment;
Wherein, Fig. 2-Fig. 4 is horizontal direction spaced set 1,2 and 3 the rectangular metal bars at steel pipe inner wall respectively.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
The utility model provides a kind of steel pipe composite pile and the shear connections structure thereof with shear connections structure, shear connections structure is otherwise known as shear connector, in deep-water bridge steel pipe composite pile basic engineering, considering the condition of steel pipe inner wall mud skin and corrosion-inhibiting coating weakened treatment, is the shearing resistance adhesion strength strengthened between steel pipe and core concrete and the structure of setting up at steel pipe inner wall.
The steel pipe composite pile of shear connections structure that what the utility model provided have, the steel pipe comprising hollow and the shear connections structure being fixedly arranged on this steel pipe inner wall, wherein, this shear connections structure comprises multiple rectangular metal bar, the plurality of rectangular metal bar all has certain thickness and laminating is fixedly arranged on the steel pipe inner wall of steel pipe composite pile hollow, the plurality of rectangular metal bar equidistantly distributes at the vertical direction of this steel pipe inner wall, and at least arranges a rectangular metal bar in the horizontal direction of this steel pipe inner wall.
As shown in Figure 1, Fig. 1 is the generalized section of steel pipe composite pile at vertical direction with shear connections structure according to the utility model embodiment, it is the vertical direction spaced set 3 row rectangular metal bar at steel pipe inner wall, at horizontal direction spaced set 3 rectangular metal bars of steel pipe inner wall, namely there are 3 rectangular metal bars at every row spaced set.
Generally, 1 to 3 rectangular metal bar can be had by spaced set in the horizontal direction of steel pipe inner wall.Fig. 2-Fig. 4 is the cross sectional representation in the horizontal direction of the steel pipe composite pile with shear connections structure according to the utility model embodiment, and wherein Fig. 2-Fig. 4 is horizontal direction spaced set 1,2 and 3 the rectangular metal bars at steel pipe inner wall respectively.
In the utility model embodiment, the thickness of rectangular metal bar is d2, and width is m, and preferably, width m is the twice of thickness d 2, and the span of thickness d 2 is 4mm ~ 38mm.
Shear connections structure is by the rectangular metal bar of equality strength grade, such as steel disc, chooses suitable line space L and is welded in steel pipe inner wall.The value of the line space L of rectangular metal bar has remarkable impact to steel pipe composite pile adhesion strength, rigidity and load-carrying properties, and with the increase of its line space L, steel pipe composite pile adhesion strength, rigidity and load-carrying properties increase rate reduce.Shear connections structure is set in steel pipe composite pile, thus its overall stressed and deformation performance is improved.Preferably, at the vertical direction of steel pipe inner wall, the line space L of each rectangular metal bar is the twice being not more than steel duct diameter D, and the span of steel duct diameter D is 315mm ~ 3612mm.
In the utility model embodiment, for ensureing the connection of steel pipe and shear connections structure, rectangular metal bar adopts the mode of fillet welding or spot welding to fit to be fixedly arranged on the steel pipe inner wall of steel pipe composite pile hollow, preferably, rectangular metal bar adopts the mode of fillet welding to fit to be fixedly arranged on the steel pipe inner wall of steel pipe composite pile hollow.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. one kind has the steel pipe composite pile of shear connections structure, it is characterized in that, the steel pipe comprising hollow and the shear connections structure being fixedly arranged on this steel pipe inner wall, wherein, this shear connections structure comprises multiple rectangular metal bar, the plurality of rectangular metal bar all has certain thickness and laminating is fixedly arranged on the steel pipe inner wall of steel pipe composite pile hollow, and the plurality of rectangular metal bar equidistantly distributes at the vertical direction of this steel pipe inner wall, and at least arranges a rectangular metal bar in the horizontal direction of this steel pipe inner wall.
2. the steel pipe composite pile with shear connections structure according to claim 1, is characterized in that, the thickness of described rectangular metal bar is d2, and width is m, and width m is the twice of thickness d 2, and the span of thickness d 2 is 4mm ~ 38mm.
3. the steel pipe composite pile with shear connections structure according to claim 1, it is characterized in that, at the vertical direction of described steel pipe inner wall, the line space L of each rectangular metal bar is the twice being not more than steel duct diameter D, and the span of steel duct diameter D is 315mm ~ 3612mm.
4. the steel pipe composite pile with shear connections structure according to claim 1, is characterized in that, in the horizontal direction of described steel pipe inner wall, and spaced set 1 to 3 rectangular metal bar.
5. the steel pipe composite pile with shear connections structure according to claim 1, is characterized in that, described rectangular metal bar adopts the mode of fillet welding or spot welding to fit to be fixedly arranged on the steel pipe inner wall of steel pipe composite pile hollow.
6. one kind is applied to the shear connections structure of the steel pipe composite pile according to any one of claim 1 to 5, it is characterized in that, comprise multiple rectangular metal bar, the plurality of rectangular metal bar all has certain thickness and laminating is fixedly arranged on the steel pipe inner wall of steel pipe composite pile hollow, the plurality of rectangular metal bar equidistantly distributes at the vertical direction of this steel pipe inner wall, and at least arranges a rectangular metal bar in the horizontal direction of this steel pipe inner wall.
7. shear connections structure according to claim 6, is characterized in that, the thickness of described rectangular metal bar is d2, and width is m, and width m is the twice of thickness d 2, and the span of thickness d 2 is 4mm ~ 38mm.
8. shear connections structure according to claim 6, it is characterized in that, at the vertical direction of described steel pipe inner wall, the line space L of each rectangular metal bar is the twice being not more than steel duct diameter D, steel duct diameter D span be 315mm ~ 3612mm.
9. shear connections structure according to claim 6, is characterized in that, in the horizontal direction of described steel pipe inner wall, and spaced set 1 to 3 rectangular metal bar.
10. shear connections structure according to claim 6, is characterized in that, described rectangular metal bar adopts the mode of fillet welding or spot welding to fit to be fixedly arranged on the steel pipe inner wall of steel pipe composite pile hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420748418.6U CN204401605U (en) | 2014-12-02 | 2014-12-02 | There is steel pipe composite pile and the shear connections structure thereof of shear connections structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420748418.6U CN204401605U (en) | 2014-12-02 | 2014-12-02 | There is steel pipe composite pile and the shear connections structure thereof of shear connections structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204401605U true CN204401605U (en) | 2015-06-17 |
Family
ID=53425481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420748418.6U Active CN204401605U (en) | 2014-12-02 | 2014-12-02 | There is steel pipe composite pile and the shear connections structure thereof of shear connections structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204401605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452744A (en) * | 2014-12-02 | 2015-03-25 | 中交公路规划设计院有限公司 | Steel pipe composite pile with shear connection structure and shear connection structure thereof |
-
2014
- 2014-12-02 CN CN201420748418.6U patent/CN204401605U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452744A (en) * | 2014-12-02 | 2015-03-25 | 中交公路规划设计院有限公司 | Steel pipe composite pile with shear connection structure and shear connection structure thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202969251U (en) | Carbon cloth-opened stiffening rib dual-stiffened concrete-filled square steel tubular column | |
| CN201649285U (en) | FRP sectional steel sea-sand concrete component | |
| CN102966100A (en) | Tensioned spun concrete (TSC) and prestressed high-strength concrete (PHC) combined pile | |
| CN203878865U (en) | Profile steel concrete column member | |
| CN203546946U (en) | Novel double-steel-plate concrete composite shear wall | |
| CN204401605U (en) | There is steel pipe composite pile and the shear connections structure thereof of shear connections structure | |
| CN202000338U (en) | Hollow square pile of foundation | |
| CN103835410A (en) | Shear wall with steel plates combined with concrete and construction method thereof | |
| CN104452744A (en) | Steel pipe composite pile with shear connection structure and shear connection structure thereof | |
| CN202215255U (en) | Double-layer lining shield tunnel segment and lining superposed structure | |
| CN202031090U (en) | Hollow prestressed concrete square pile | |
| CN204703077U (en) | Based on the bridge pier reinforcement and repair structure of ultra-high performance concrete | |
| CN106560562A (en) | Offshore sandwich steel pipe pile foundation | |
| CN202644525U (en) | Variable cross-section prestress reinforced concrete tubular pile | |
| CN214033342U (en) | Be applied to marine building's novel anticorrosive steel pipe concrete pier that excels in | |
| CN202611101U (en) | Corrosion-resisting high-strength composite grouting column | |
| CN204645032U (en) | A kind of cracking resistance prestress high intensity concrete preformed pile | |
| CN204163281U (en) | A kind of limb steel pipe concrete column | |
| CN202936717U (en) | Corrugated steel trussed arch bridge | |
| CN113833205A (en) | Corrosion-resistant antidetonation crack control reinforcing bar net piece | |
| CN103541547A (en) | Method for constructing built-in hollow-out steel pipe steel fiber concrete protective layer | |
| CN203891330U (en) | Steel tube bundle combined structure consisting of steel plates and oblique Z-shaped steel | |
| CN201474172U (en) | Epoxy steel bar with ribs on three surfaces | |
| CN205712070U (en) | Ocean OZ shaped steel plate pile system | |
| CN215252271U (en) | Assembled pier combining stainless steel and shale ceramsite concrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |