CN215052934U - Steel-pipe pile stand joint connecting device of increase resistance to plucking performance - Google Patents
Steel-pipe pile stand joint connecting device of increase resistance to plucking performance Download PDFInfo
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- CN215052934U CN215052934U CN202120668588.3U CN202120668588U CN215052934U CN 215052934 U CN215052934 U CN 215052934U CN 202120668588 U CN202120668588 U CN 202120668588U CN 215052934 U CN215052934 U CN 215052934U
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Abstract
The utility model provides an increase resistance to plucking performance's steel-pipe pile stand connects connecting device, including pre-buried steel sheet and anchor reinforcing bar, the bottom of anchor reinforcing bar is buckled, and the top is connected with pre-buried steel sheet, and pre-buried steel sheet's top surface is connected with the steel-pipe pile stand, and a set of notch has been seted up to the bottom circumference of steel-pipe pile stand, has installed connection steel sheet in each notch respectively, and the directional centre of a circle of steel-pipe pile stand of connection steel sheet welds between connection steel sheet and the notch, and connection steel sheet's base welds in the top surface of pre-buried steel sheet. The utility model discloses improve on the basis of traditional steel-pipe pile stand joint design, be provided with connecting plate subassembly, utilize the steel-pipe column base to crack and link up each other with the equidistance connecting plate for connect the contact surface and increase, improved the pile pulling bearing capacity of steel-pipe pile, reached the effect of resistance to plucking, the work progress is simple, on-the-spot easy operation, welding quality is firm, the joint contact surface is big, the pile pulling bearing capacity of steel-pipe pile has been improved, the effect of resistance to plucking has been reached.
Description
Technical Field
The utility model relates to an increase steel-pipe pile stand joint connecting device of resistance to plucking performance belongs to the technical field of the interim structure support construction of continuous beam.
Background
The steel pipe pile stand column has the advantages of high bearing capacity, high bending resistance, relatively simple construction process and the like, and is applied to construction of temporary structural supports of bridges. In the construction projects of large cofferdams, continuous beams and the like, the steel pipe piles not only bear the action of vertical pressure, but also need to bear vertical uplift force. However, the use of compression resistance of the steel pipe pile stand column is far more than that of pulling resistance, and the connection of the steel pipe pile stand column joint in the traditional construction method is generally designed according to compression resistance, so that the pulling resistance is less.
The anti-pulling anchoring method of the steel pipe pile widely used at present comprises the following steps: the construction method comprises the steps of pre-burying the anti-pulling anchoring steel bars on the structure body, then installing and welding the steel pipe piles, and pouring concrete into the steel pipe piles.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model provides an increase resistance to plucking performance's steel-pipe pile stand articulate device cracks in the column base department of steel-pipe pile stand to set up and connect the plate, connect the bottom surface and the pre-buried steel sheet interconnect of plate, make the contact surface increase, thereby improved the pile pulling bearing capacity of steel-pipe pile, played the effect of resistance to plucking.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a steel-pipe pile stand joint connecting device of increase resistance to plucking performance, including pre-buried steel sheet and anchor reinforcing bar, the bottom of anchor reinforcing bar is buckled, the top is connected with pre-buried steel sheet, the top surface and the steel-pipe pile stand of pre-buried steel sheet are connected, a set of notch has been seted up to the bottom circumference of steel-pipe pile stand, install respectively in each notch and inserted connection steel sheet, the thickness of connection steel sheet is unanimous with the width of notch, the directional centre of a circle of steel-pipe pile stand of connection steel sheet, weld between connection steel sheet and the notch, connection steel sheet's base welds in the top surface of pre-buried steel sheet.
The anchoring reinforcing steel bars are distributed at the bottom of the embedded steel plate in a matrix mode.
A set of preformed hole has been seted up to pre-buried steel sheet, and the top of anchor reinforcing bar passes the preformed hole and welded fastening in the preformed hole.
And a pouring vibration opening is formed in the center of the embedded steel plate.
The notches at the bottom of the steel pipe pile stand column are uniformly distributed along the circumferential direction of the steel pipe pile stand column.
The connecting steel plate is a right-angle trapezoidal plate, the long bottom edge of the connecting steel plate is connected with the surface of the embedded steel plate, and the oblique waist of the connecting steel plate is located outside the steel pipe pile stand column.
Stiffening plates are respectively arranged between the two sides of each connecting steel plate and the outer wall of the steel pipe pile stand column.
The utility model discloses based on the beneficial effect that its technical scheme had lies in:
(1) the steel pipe pile stand column joint connecting device for increasing the uplift performance is additionally provided with the connecting plate component at the column base of the steel pipe pile stand column, and the connecting plate component is mutually connected with the connecting plate through the steel pipe pile column base slotting, so that the connecting contact surface is increased, the pile uplift bearing capacity of the steel pipe pile is improved, and the uplift effect is achieved;
(2) the steel pipe pile stand column joint connecting device for improving the pulling resistance is improved on the basis of the traditional steel pipe pile stand column joint, and has the advantages of simple construction process, firm welding, easy field operation and strong practicability;
(3) the steel pipe pile upright post joint connecting device for increasing the uplift performance can adopt the right trapezoid with a small upper part and a large lower part, so that the material is saved while the uplift performance is improved, and the cost is reduced;
(4) the utility model provides a pair of steel-pipe pile stand joint connecting device's of increase resistance to plucking performance both sides and steel-pipe pile stand are equipped with the stiffening plate between the outer wall, can further improve the stability that the device is connected.
Drawings
Fig. 1 is a schematic view of the connection of the column base of the steel pipe pile.
Fig. 2 is a schematic view of the vertical surface of the structure of the pre-buried steel plate of the present invention.
Fig. 3 is a schematic plan view of the structure of the pre-buried steel plate of the present invention.
Fig. 4 is a schematic view of the steel pipe pile structure of the present invention.
Fig. 5 is a big picture of the connecting steel plate of the utility model.
In the figure: 1-pre-buried steel plate, 1 a-pouring vibrating opening, 2-steel pipe pile stand column, 2 a-notch, 3-connecting steel plate, 4-anchoring steel bar and 5-stiffening plate.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model provides an increase steel-pipe pile stand joint connecting device of resistance to plucking performance refers to 1 to 5, including pre-buried steel sheet 1 and anchor reinforcing bar 4, the center of pre-buried steel sheet is equipped with pours mouth 1a that vibrates.
The bottom of the anchoring steel bar is bent, and the top of the anchoring steel bar is connected with the embedded steel plate. A set of preformed hole has been seted up to pre-buried steel sheet, and the top of anchor reinforcing bar passes the preformed hole and welded fastening in the preformed hole. The anchoring reinforcing steel bars are distributed at the bottom of the embedded steel plate in a matrix mode. In this embodiment, the total number of the anchoring steel bars is 8, and the anchoring steel bars are distributed around the pouring vibrating opening.
The top surface and the steel-pipe pile stand 2 of pre-buried steel sheet are connected, and a set of notch 2a has been seted up to the bottom circumference of steel-pipe pile stand, and steel-pipe pile stand circumference evenly distributed is followed to the notch of steel-pipe pile stand bottom. And a connecting steel plate 3 is respectively inserted into each notch, the thickness of the connecting steel plate is consistent with the width of each notch, the connecting steel plate points to the circle center of the steel pipe pile stand column, the connecting steel plate and the notches are welded, and the bottom edges of the connecting steel plates are welded on the top surface of the embedded steel plate.
The connecting steel plate is a right-angle trapezoidal plate, the long bottom edge of the connecting steel plate is connected with the surface of the embedded steel plate, and the oblique waist of the connecting steel plate is located outside the steel pipe pile stand column. And stiffening plates 5 are respectively arranged between the two sides of each connecting steel plate and the outer wall of the steel pipe pile stand column.
The utility model provides a pair of steel-pipe pile stand joint connecting device of increase resistance to plucking performance's installation does:
(1) pre-burying a steel plate and anchoring steel bars: before the concrete structure is constructed, the pre-embedding work of pre-embedding steel plates and anchoring steel bars is needed, the accurate position is ensured, the fixation is firm, and the concrete can be poured without errors after the measurement and the retest;
(2) pouring structural concrete: when concrete is poured, vibration in the reinforcing process of the embedded steel plate holes of the embedded steel plates is utilized to ensure the compactness and quality of the concrete at the bottom of the embedded steel plates 1;
(3) welding a connecting steel plate: the connecting steel plate is of a trapezoidal structure, and the specific size is as follows: the width of the bottom is 30cm, the width of the top is 15cm, the height is 30cm, the wall thickness is 2cm, 8 points are uniformly distributed on the embedded steel plate according to the diameter circumference of the steel pipe pile stand column, the points are used for welding the connecting steel plate, the connecting steel plate is vertically placed and fully welded on both sides, the width direction of the bottom is perpendicular to the circumference, and the points are distributed on the circumference in a centralized manner, and the number of the points is 8;
(4) installing and welding steel pipe pile stand columns: evenly set up 8 through grooves on the bottom lateral wall of steel-pipe pile stand along the circumferencial direction, it is unanimous with welded steel sheet axis on the pre-buried steel sheet, hoist and mount the steel-pipe pile stand on the pre-buried steel sheet, ensure that steel sheet just gets into the side channel of steel-pipe pile stand, the back of taking one's place of installation, along steel-pipe pile bottom circumferencial direction with the steel-pipe pile stand full weld on the pre-buried steel sheet, then respectively with every steel-pipe pile stand along the two sides full weld of side channel wall, ensure to connect the connection quality.
The utility model provides a pair of steel-pipe pile stand joint connecting device of increase resistance to plucking performance improves on the basis of traditional steel-pipe pile stand joint design, be provided with connecting plate subassembly, utilize the steel-pipe column base to crack and link up each other with the equidistance connecting plate, make the connection contact surface increase, the pile pulling bearing capacity of steel-pipe pile has been improved, the effect of resistance to plucking has been reached, the work progress is simple, on-the-spot easy operation, welding quality is firm, the joint contact surface is big, the pile pulling bearing capacity of steel-pipe pile has been improved, the effect of resistance to plucking has been reached.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a steel-pipe pile stand joint connecting device of increase resistance to plucking performance, includes pre-buried steel sheet (1) and anchor reinforcing bar (4), its characterized in that: the bottom of anchor reinforcing bar is buckled, the top is connected with pre-buried steel sheet, the top surface and the steel-pipe pile stand (2) of pre-buried steel sheet are connected, a set of notch (2a) have been seted up to the bottom circumference of steel-pipe pile stand, connect steel sheet (3) have been installed and inserted respectively in each notch, the thickness of connecting steel sheet is unanimous with the width of notch, the centre of a circle of the directional steel-pipe pile stand of connecting steel sheet, weld between connecting steel sheet and the notch, the base of connecting steel sheet welds in the top surface of pre-buried steel sheet.
2. The steel pipe pile column joint connection device for increasing the uplift resistance according to claim 1, wherein: the anchoring reinforcing steel bars are distributed at the bottom of the embedded steel plate in a matrix mode.
3. The steel pipe pile column joint connection device for increasing the uplift resistance according to claim 1, wherein: a set of preformed hole has been seted up to pre-buried steel sheet, and the top of anchor reinforcing bar passes the preformed hole and welded fastening in the preformed hole.
4. The steel pipe pile column joint connection device for increasing the uplift resistance according to claim 1, wherein: the center of the embedded steel plate is provided with a pouring vibrating opening (1 a).
5. The steel pipe pile column joint connection device for increasing the uplift resistance according to claim 1, wherein: the notches at the bottom of the steel pipe pile stand column are uniformly distributed along the circumferential direction of the steel pipe pile stand column.
6. The steel pipe pile column joint connection device for increasing the uplift resistance according to claim 1, wherein: the connecting steel plate is a right-angle trapezoidal plate, the long bottom edge of the connecting steel plate is connected with the surface of the embedded steel plate, and the oblique waist of the connecting steel plate is located outside the steel pipe pile stand column.
7. The steel pipe pile column joint connection device for increasing the uplift resistance according to claim 1, wherein: stiffening plates (5) are respectively arranged between the two sides of each connecting steel plate and the outer wall of the steel pipe pile upright post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120668588.3U CN215052934U (en) | 2021-04-01 | 2021-04-01 | Steel-pipe pile stand joint connecting device of increase resistance to plucking performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120668588.3U CN215052934U (en) | 2021-04-01 | 2021-04-01 | Steel-pipe pile stand joint connecting device of increase resistance to plucking performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215052934U true CN215052934U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120668588.3U Active CN215052934U (en) | 2021-04-01 | 2021-04-01 | Steel-pipe pile stand joint connecting device of increase resistance to plucking performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215052934U (en) |
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2021
- 2021-04-01 CN CN202120668588.3U patent/CN215052934U/en active Active
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