CN215290230U - Connection structure of assembled tubular pile and cushion cap - Google Patents
Connection structure of assembled tubular pile and cushion cap Download PDFInfo
- Publication number
- CN215290230U CN215290230U CN202121831117.6U CN202121831117U CN215290230U CN 215290230 U CN215290230 U CN 215290230U CN 202121831117 U CN202121831117 U CN 202121831117U CN 215290230 U CN215290230 U CN 215290230U
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- tubular pile
- steel bar
- bar frame
- prefabricated
- cushion cap
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Abstract
The utility model discloses a connection structure of assembled tubular pile and cushion cap, including foundation ditch, prefabricated cushion cap and precast tubular pile, precast tubular pile buries underground in the bottom of foundation ditch, and precast cushion cap assembles in precast tubular pile's upside. Wherein, the shear force groove has all been seted up to the outer wall of prefabricated cushion cap, and the inside assembly in shear force groove has folding steel reinforcement frame, and folding steel reinforcement frame includes horizontal reinforcing bar, goes up steel reinforcement frame, lower steel reinforcement frame and rebar hook. The prefabricated bearing platform can quickly finish the construction and connection work of the lower pile foundation and the bearing platform in a hoisting mode, so that the construction efficiency of bridge construction is improved; the prefabricated bearing platform is produced through a production line, so that the appearance and the quality of the prefabricated bearing platform are more standardized, and the stability of the engineering quality is improved; the shear grooves and the folding reinforcing steel frame structures are arranged on the side walls of the prefabricated bearing platforms, so that the connection strength between the bearing platforms and the fixed line mortar in the foundation pit is greatly improved, and the stability and the durability of the bridge foundation are improved.
Description
Technical Field
The utility model belongs to the technical field of assembled bridge prefab, a connection structure of assembled tubular pile and cushion cap is provided very much.
Background
The bearing platform is a reinforced concrete platform which is arranged on the top of the pile foundation and is used for connecting the pile tops in order to bear and distribute the load transmitted by the pier body. High pile caps are commonly used in ports, docks, ocean engineering and bridge engineering.
The existing fabricated pile group foundation mostly adopts cast-in-situ rotating cast-in-place piles and cast-in-situ bearing platforms, but the cast-in-situ pile foundation is time-consuming, and particularly has great influence on economy and society in a bridge with busy traffic and important traffic nodes.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a prefabricated cushion cap with tubular pile assembly connection structure.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a connection structure of assembled tubular pile and cushion cap, includes foundation ditch, prefabricated cushion cap and precast tubular pile, and precast tubular pile buries underground in the bottom of foundation ditch, and precast cushion cap assembles in precast tubular pile's upside, the pilot hole has evenly been seted up to the inside of precast cushion cap, and the pre-buried reinforcing bar net that has in inside of pilot hole, precast tubular pile's pre-buried connecting reinforcement that has, precast tubular pile pegs graft in the pilot hole, and connecting reinforcement alternates in the reinforcing bar net to fixed through the mortar of pouring into in the pilot hole, it has the mortar to fill between the inner wall on precast tubular pile and foundation ditch ground.
Furthermore, the outer wall of the prefabricated bearing platform is provided with shear grooves.
Further, the inside of the shear groove is equipped with a folding steel bar frame.
Furthermore, the folding steel bar frame comprises transverse steel bars, an upper steel bar frame, a lower steel bar frame and steel bar hooks, the transverse steel bars are respectively embedded in the upper side and the lower side of the shear groove, the steel bar hooks are integrally formed at the tail ends of the upper steel bar frame and the lower steel bar frame, the upper steel bar frame and the lower steel bar frame are respectively hinged to the transverse steel bars on the upper side and the lower side through the steel bar hooks, and the upper steel bar frame and the lower steel bar frame are buckled in a staggered mode.
Furthermore, the front end of the lower reinforcing steel bar frame is integrally formed with a positioning hook.
Furthermore, support beams are uniformly and integrally formed in the shear grooves.
Use the utility model discloses a beneficial effect is:
1. the prefabricated bearing platform can quickly finish the construction and connection work of the lower pile foundation and the bearing platform in a hoisting mode, so that the construction efficiency of bridge construction is improved;
2. the prefabricated bearing platform is produced through a production line, so that the appearance and the quality of the prefabricated bearing platform are more standardized, and the stability of the engineering quality is improved;
3. the connection strength between the bearing platform and the fixed line mortar in the foundation pit is greatly improved through the shear groove and the folding reinforcing steel frame structure, and the stability and the durability of the bridge foundation are improved;
4. the precast bearing platform is subjected to preliminary maintenance in the production process, so that the concrete maintenance period of a construction site can be shortened, and the construction period of bridge construction is further shortened.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the exploded structure of the present invention.
The reference numerals include: 1, foundation pit; 2-a bearing platform; 3, prefabricating the tubular pile; 4-mortar; 5-a shear groove; 6-assembly holes; 7-folding the reinforcing steel bar frame; 701-transverse steel bars; 702-mounting a steel bar frame; 703-lower reinforcing steel bar frame; 704-rebar hooks; 705-positioning the hook; 8-reinforcing mesh; 9-connecting reinforcing steel bars; 10-a support beam;
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1-2, a connection structure of assembled tubular pile and cushion cap, including foundation ditch 1, prefabricated cushion cap 2 and prefabricated tubular pile 3, prefabricated tubular pile 3 buries underground in the bottom of foundation ditch 1, and prefabricated cushion cap 2 assembles in the upside of prefabricated tubular pile 3, pilot hole 6 has evenly been seted up to the inside of prefabricated cushion cap 2, and the pre-buried reinforcing bar net 8 that has in pilot hole 6, the pre-buried connecting reinforcement 9 that has in the inside of prefabricated tubular pile 3, prefabricated tubular pile 3 pegs graft in pilot hole 6, and connecting reinforcement 9 alternates in reinforcing bar net 8 to it is fixed through the mortar that pours into in pilot hole 6, and it has mortar 4 to fill between the inner wall on prefabricated tubular pile 3 and foundation ditch 1 ground.
The prefabricated bearing platform 2 disclosed by the patent is similar to the manufacturing process of other prefabricated bridge prefabricated parts and is produced and molded in a fixed-point workshop. The length of the connecting steel bar 9 reserved at the top end of the precast tubular pile 3 is matched with the depth of the assembling hole 6.
The outer wall of the prefabricated bearing platform 2 is provided with shear grooves 5.
After mortar is poured into the foundation pit 1, the mortar is solidified and molded in the shear groove 5, so that the side wall of the prefabricated bearing platform 2 and the fixed telephone mortar can bear larger shear stress.
The inside of the shear groove 5 is fitted with a folding steel bar frame 7.
The folding reinforcing steel bar frame 7 comprises transverse reinforcing steel bars 701, an upper reinforcing steel bar frame 702, a lower reinforcing steel bar frame 703 and reinforcing steel bar hooks 704, the two transverse reinforcing steel bars 701 are pre-embedded in the upper side and the lower side of the shear groove 5 respectively, the reinforcing steel bar hooks 704 are integrally formed at the tail ends of the upper reinforcing steel bar frame 702 and the lower reinforcing steel bar frame 703, the upper reinforcing steel bar frame 702 and the lower reinforcing steel bar frame 703 are hinged to the transverse reinforcing steel bars 701 on the upper side and the lower side respectively through the reinforcing steel bar hooks 704, and the upper reinforcing steel bar frame 703 and the lower reinforcing steel bar frame 704 are buckled in a staggered mode.
The front end of the lower steel bar frame 703 is integrally formed with a positioning hook 705.
As shown in the figure, the upper and lower reinforcing frames 702 and 703 are guardrail-like structures fabricated by welding reinforcing bars. The two can drag and expand after crossing, and after the mortar is poured into the foundation pit 1, the expanded folding reinforcing steel bar frame 7 is buried in the mortar, so that the connection strength between the prefabricated bearing platform 2 and the bottom structure is further improved.
And a support beam 10 is uniformly and integrally formed in the shear groove 5.
The connection structure of the fabricated tubular pile and the bearing platform is provided by researching the actual engineering situation and combining the engineering problem that cast-in-situ rotating hole cast-in-place piles are adopted in pile group foundations. The construction process comprises the following steps:
1. and (4) conveying the prefabricated bearing platform 2 and the prefabricated pipe pile 3 which are manufactured and molded to a construction site.
2. The precast tubular pile 3 is inserted into a drilled hole in the foundation pit 1 by a construction method such as hole guiding and pile planting, and mortar is poured into the hole in advance.
3. And hoisting the prefabricated bearing platform 2 into the foundation pit 1 through equipment such as a crane. The assembling holes 6 are aligned with the precast tubular piles 3 in the hoisting process.
4. The folded steel bar frame 7 assembly is pulled and unfolded, and the front end of the lower steel bar frame 703 is fastened to the hook 705.
5. Mortar is poured into the foundation pit 1.
The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.
Claims (6)
1. The utility model provides a connection structure of assembled tubular pile and cushion cap, includes foundation ditch, prefabricated cushion cap and precast tubular pile, precast tubular pile buries underground in the bottom of foundation ditch, and precast cushion cap assembles in precast tubular pile's upside, its characterized in that: the assembly holes have evenly been seted up to the inside of prefabricated cushion cap, and the pre-buried reinforcing bar net that has in inside of assembly hole, the pre-buried connecting reinforcement that has in inside of precast tubular pile, precast tubular pile peg graft in the assembly hole, and connecting reinforcement alternates in the reinforcing bar net to fixed through the mortar that fills in the assembly hole, it has the mortar to fill between the inner wall on precast tubular pile and foundation ditch ground.
2. The connection structure of an assembled tubular pile and a cap according to claim 1, characterized in that: the outer wall of the prefabricated bearing platform is provided with shear grooves.
3. The connection structure of an assembled tubular pile and a cap according to claim 2, characterized in that: the inside of the shear groove is provided with a folding reinforcing frame.
4. The connection structure of an assembled tubular pile and a cap as set forth in claim 3, wherein: the folding steel bar frame comprises transverse steel bars, an upper steel bar frame, a lower steel bar frame and steel bar hooks, the transverse steel bars are respectively embedded in the upper side and the lower side of the shear groove, the steel bar hooks are integrally formed at the tail ends of the upper steel bar frame and the lower steel bar frame, the upper steel bar frame and the lower steel bar frame are respectively hinged to the transverse steel bars on the upper side and the lower side through the steel bar hooks, and the upper steel bar frame and the lower steel bar frame are buckled in a staggered mode.
5. The connection structure of an assembled tubular pile and a cap as set forth in claim 4, wherein: the front end of the lower reinforcing steel bar frame is integrally formed with a positioning hook.
6. The connection structure of an assembled tubular pile and a cap according to any one of claims 2 to 5, wherein: and the shear grooves are uniformly and integrally formed with supporting beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121831117.6U CN215290230U (en) | 2021-08-06 | 2021-08-06 | Connection structure of assembled tubular pile and cushion cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121831117.6U CN215290230U (en) | 2021-08-06 | 2021-08-06 | Connection structure of assembled tubular pile and cushion cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215290230U true CN215290230U (en) | 2021-12-24 |
Family
ID=79526440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121831117.6U Active CN215290230U (en) | 2021-08-06 | 2021-08-06 | Connection structure of assembled tubular pile and cushion cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215290230U (en) |
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2021
- 2021-08-06 CN CN202121831117.6U patent/CN215290230U/en active Active
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