CN214219717U - Bridge pile foundation and bearing platform connecting structure - Google Patents
Bridge pile foundation and bearing platform connecting structure Download PDFInfo
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- CN214219717U CN214219717U CN202022899423.5U CN202022899423U CN214219717U CN 214219717 U CN214219717 U CN 214219717U CN 202022899423 U CN202022899423 U CN 202022899423U CN 214219717 U CN214219717 U CN 214219717U
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Abstract
The utility model discloses a bridge pile foundation and cushion cap connection structure, include: the supporting structure comprises a vertically-supported bridge pile foundation, a supporting bearing platform connected to the top end of the bridge pile foundation and a rigid connecting member made of rigid materials. The bridge pile foundation includes the pile foundation outer tube that is used as the support frame body, and the bearing cushion cap includes the steel reinforcement cage that is used as the support chassis. The rigid connecting member is respectively welded and fixed with the pile foundation outer pipe and the reinforcement cage so as to enable the bridge pile foundation and the supporting bearing platform to be fixedly integrated. The utility model discloses an among bridge pile foundation and cushion cap connection structure, because the rigid connection component that forms by the rigid material preparation respectively with pile foundation outer tube and steel reinforcement cage welded fastening, so treat the pile foundation outer tube and pour the shaping for the bridge pile foundation, and the steel reinforcement cage pours the shaping for behind the supporting cushion cap, through the effect of rigid connection component, can make bridge pile foundation and supporting cushion cap consolidation be whole, prevent at the level and draw the destruction under the load, improved the holistic horizontal bearing capacity of connection structure.
Description
Technical Field
The utility model relates to a bridge foundation engineering construction technical field especially, relates to a bridge pile foundation and cushion cap connection structure.
Background
The steel pipe concrete pile has ultrahigh bearing capacity, good durability and economic benefit, so the steel pipe concrete pile is widely applied to projects such as high-rise buildings, large-span bridges, wind driven generators and the like. In ocean engineering, high-rise buildings and wind driven generators, the steel pipe concrete pile bears large horizontal load and even plays a control factor.
At present, in many practical projects, a welding and anchoring method is generally adopted at the joint of a pile foundation and a bearing platform, but the method is not simple and convenient to construct, and the pile foundation is likely to be damaged under the action of a large horizontal load, so that the whole structure collapses; the part of the bearing platform connected with the pile foundation is usually made of common concrete, the common concrete has poor anti-cracking performance, and the joint is often damaged, so that engineering accidents are caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bridge pile foundation and cushion cap connection structure to the construction that the pile foundation who solves in the current construction and the junction of cushion cap adopt methods such as welding, anchor and exist is not simple and convenient, and overall structure easily destroyed technical problem.
The utility model adopts the technical scheme as follows:
the utility model provides a bridge pile foundation and cushion cap connection structure, includes: the device comprises a vertically supported bridge pile foundation, a supporting bearing platform connected to the top end of the bridge pile foundation and a rigid connecting member made of rigid materials; the bridge pile foundation comprises a pile foundation outer pipe used as a support frame body, and the support bearing platform comprises a steel reinforcement cage used as a support framework; the rigid connecting member is respectively welded and fixed with the pile foundation outer pipe and the reinforcement cage so as to enable the bridge pile foundation and the supporting bearing platform to be fixedly integrated.
Further, the rigid connecting member comprises a connecting steel plate and a shear key; the shear keys are respectively arranged on the pile foundation outer pipe and the reinforcement cage, the fixed ends of the shear keys on the pile foundation outer pipe are fixedly welded with the outer wall surface of the pile foundation outer pipe, and the fixed ends of the shear keys on the reinforcement cage are fixedly welded with the outer wall surface of the reinforcement cage; the connecting steel plate respectively wears to locate on the shear force key of pile foundation outer tube and the shear force key of steel reinforcement cage, and the connecting steel plate is fixed with the outer wall of pile foundation outer tube and the outer wall welded joint of steel reinforcement cage respectively.
Furthermore, a plurality of shear keys on the outer pipe of the pile foundation are divided into first shear key groups which are sequentially arranged at intervals along the circumferential direction of the outer pipe of the pile foundation, and each first shear key group comprises a plurality of shear keys; the plurality of shear keys on the reinforcement cage are divided into second shear key groups which are sequentially arranged at intervals along the circumferential direction of the reinforcement cage, each second shear key group comprises a plurality of shear keys, and the second shear key groups and the first shear key groups are arranged in a one-to-one correspondence manner; the first ends of the connecting steel plates are respectively arranged on the shear keys of the first shear key group in a penetrating mode, and the second ends of the connecting steel plates are respectively arranged on the shear keys of the second shear key group in a penetrating mode.
Furthermore, a plurality of groups of first shear key groups are uniformly distributed at intervals along the circumferential direction of the pile foundation outer pipe, and the number of the shear keys contained in each first shear key group is the same or different; the plurality of groups of second shear key groups are uniformly distributed at intervals along the circumferential direction of the reinforcement cage, and the number of the shear keys contained in each second shear key group is the same or different; the number of the shear keys contained in the first shear key group is equal to or unequal to the number of the shear keys contained in the correspondingly arranged second shear key group.
Furthermore, a plurality of shear keys of the first shear key group are sequentially arranged at intervals along the axial direction of the pile foundation outer pipe, and a plurality of shear keys of the correspondingly arranged second shear key group are sequentially arranged at intervals along the axial direction of the reinforcement cage; the connecting steel plates which penetrate through the shear keys of the first shear key group and the corresponding shear keys of the second shear key group extend along the axial direction.
Furthermore, a plurality of shear keys of the first shear key group are sequentially arranged at intervals in a spiral line along the axial direction of the pile foundation outer pipe, and a plurality of shear keys of the correspondingly arranged second shear key group are sequentially arranged at intervals in a spiral line along the axial direction of the reinforcement cage; the connecting steel plates which penetrate through the shear keys of the first shear key group and the corresponding shear keys of the second shear key group extend in a spiral line along the axial direction.
Furthermore, the first shear key group and the second shear key group which is correspondingly arranged are connected to form a shear key belt; the shear keys of two adjacent shear key belts are correspondingly arranged in the circumferential direction or arranged in a staggered manner.
Furthermore, the rigid connecting member also comprises an annular connecting steel ring which is respectively arranged on the excircle of the pile foundation outer pipe and the excircle of the reinforcement cage; the connecting steel ring on the pile foundation outer pipe is arranged on the correspondingly arranged shear key in a penetrating way and is welded and fixed with the outer wall surface of the pile foundation outer pipe; the connecting steel ring on the reinforcement cage is arranged on the correspondingly arranged shear key in a penetrating way and is welded and fixed with the outer wall surface of the reinforcement cage.
Furthermore, the connecting steel rings on the outer pipe of the pile foundation are sequentially arranged at intervals along the axial direction of the outer pipe of the pile foundation; the connecting steel rings on the reinforcement cage are sequentially arranged at intervals along the axial direction of the reinforcement cage.
Furthermore, the bridge pile foundation also comprises a concrete column body formed by pouring concrete into the outer pipe of the pile foundation; the supporting bearing platform comprises a lower bearing platform fixed with the top end of the bridge pile foundation and an upper bearing platform connected to the lower bearing platform; the lower bearing platform comprises a reinforcement cage and a concrete lower bearing platform body formed by pouring ultrahigh-toughness concrete on the reinforcement cage.
The utility model discloses following beneficial effect has:
the utility model discloses an among bridge pile foundation and cushion cap connection structure, because the rigid connection component that forms by the rigid material preparation respectively with pile foundation outer tube and steel reinforcement cage welded fastening, so treat the pile foundation outer tube and pour the shaping for the bridge pile foundation, and the steel reinforcement cage pours the shaping for behind the supporting cushion cap, through the effect of rigid connection component, can make bridge pile foundation and supporting cushion cap consolidation be whole, prevent at the level and draw the destruction under the load, improved the holistic horizontal bearing capacity of connection structure. In the bridge pile foundation and pile cap connecting structure, the rigid connecting component is adopted to connect the pile foundation outer pipe and the steel reinforcement cage, so that the cutting of stressed steel bars in the supporting and bearing platform is avoided, the integral performance of the bearing platform and the pile foundation is improved, and the rigid connecting component is adopted to connect, so that the connecting structure has high integral strength, convenient and firm processing, high engineering practicability, good stability of a connecting part and difficult damage; for the current construction technology, the measures for realizing the connecting structure of the bridge pile foundation and the bearing platform are not complicated, so the connecting structure of the utility model has important practical significance and engineering application value; the utility model discloses from design, construction, maintenance stage, solved the problem that pile foundation and cushion cap junction destruction caused, adopt the connected mode of rigid connection structure promptly, will effectively improve the connection performance and the wholeness ability of pile foundation and cushion cap to improve the security and the life of cushion cap and pile foundation by a wide margin, strengthened the water resistance level and the anti-drawing performance of overall structure simultaneously; in a word, the utility model provides a bridge pile foundation and cushion cap connection structure utilizes this structure to improve the connection performance of pile foundation and cushion cap to avoided cutting of cushion cap atress reinforcing bar, made the intensity of junction higher, the wholeness can be better, avoided receiving the level, drawing the destruction of load, improved the security of engineering structure, just the utility model has the advantages of the construction is simple, construction cycle is short, maneuverability is high, the application is strong and easily promote in current engineering field, and application scope is wide.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural view of a bridge pile foundation and bearing platform connection structure according to a preferred embodiment of the present invention;
fig. 2 is a sectional top view of the bridge pile foundation of fig. 1.
Description of the figures
10. A bridge pile foundation; 11. pile foundation outer pipes; 12. a concrete column; 20. a support platform; 21. a lower bearing platform; 22. an upper bearing platform; 30. a rigid connection member; 31. connecting steel plates; 32. a shear key.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.
Referring to fig. 1, a preferred embodiment of the present invention provides a bridge pile foundation and pile cap connection structure, including: the bridge pile foundation comprises a bridge pile foundation 10 which is vertically erected, a supporting bearing platform 20 which is connected to the top end of the bridge pile foundation 10, and a rigid connecting member 30 which is made of rigid materials. The bridge pile foundation 10 includes a pile foundation outer pipe 11 serving as a support frame body, and the bearing platform 20 includes a reinforcement cage serving as a support skeleton. The rigid connecting member 30 is welded and fixed with the pile foundation outer pipe 11 and the reinforcement cage respectively, so that the bridge pile foundation 10 and the bearing platform 20 are consolidated into a whole.
The utility model discloses an among bridge pile foundation and cushion cap connection structure, because rigid connection component 30 by rigid material preparation formation respectively with pile foundation outer tube 11 and steel reinforcement cage welded fastening, so treat pile foundation outer tube 11 and pour the shaping for bridge pile foundation 10, and the steel reinforcement cage pours the shaping for behind the supporting cushion cap 20, through rigid connection component 30's effect, can make bridge pile foundation 10 and supporting cushion cap 20 concreties for whole, prevent at the level and draw the destruction under the load, the holistic horizontal bearing capacity of connection structure has been improved. In the bridge pile foundation and pile cap connecting structure of the utility model, the rigid connecting member 30 is adopted to connect the pile foundation outer tube 11 and the steel reinforcement cage, so that the truncation of the stressed steel bars in the supporting and bearing platform 20 is avoided, the integral performance of the bearing platform and the pile foundation is improved, and the rigid connecting member 30 is adopted to connect, the connecting structure has high integral strength, convenient and firm processing, high engineering practicability, good stability of the connecting part and difficult damage; for the current construction technology, the measures for realizing the connecting structure of the bridge pile foundation and the bearing platform are not complicated, so the connecting structure of the utility model has important practical significance and engineering application value; the utility model discloses from design, construction, maintenance stage, solved the problem that pile foundation and cushion cap junction destruction caused, adopt the connected mode of rigid connection component 30 promptly, will effectively improve the connection performance and the wholeness ability of pile foundation and cushion cap to improve the security and the life of cushion cap and pile foundation by a wide margin, strengthened the water resistance level and the anti-drawing performance of overall structure simultaneously; in a word, the utility model provides a bridge pile foundation and cushion cap connection structure utilizes this structure to improve the connection performance of pile foundation and cushion cap to avoided cutting of cushion cap atress reinforcing bar, made the intensity of junction higher, the wholeness can be better, avoided receiving the level, drawing the destruction of load, improved the security of engineering structure, just the utility model has the advantages of the construction is simple, construction cycle is short, maneuverability is high, the application is strong and easily promote in current engineering field, and application scope is wide.
Alternatively, as shown in fig. 1, the rigid connection member 30 includes a connection steel plate 31 and a shear key 32. The shear key 32 is arranged on the pile foundation outer tube 11 and the steel reinforcement cage, the fixed end of the shear key 32 on the pile foundation outer tube 11 is welded and fixed with the outer wall surface of the pile foundation outer tube 11, the free end of the shear key 32 on the pile foundation outer tube 11 extends outwards, the fixed end of the shear key 32 on the steel reinforcement cage is welded and fixed with the outer wall surface of the steel reinforcement cage, and the free end of the shear key 32 on the steel reinforcement cage extends outwards. The connecting steel plates 31 are respectively arranged on the shear keys 32 of the pile outer pipe 11 and the shear keys 32 of the reinforcement cage in a penetrating manner, and the connecting steel plates 31 are respectively welded and fixed with the outer wall surface of the pile outer pipe 11 and the outer wall surface of the reinforcement cage.
In this alternative, as shown in fig. 1, the plurality of shear keys 32 on the outer pipe 11 of the pile foundation are divided into first shear key groups which are sequentially arranged at intervals along the circumferential direction of the outer pipe 11 of the pile foundation, and each first shear key group includes a plurality of shear keys 32. The plurality of shear keys 32 on the reinforcement cage are divided into second shear key groups which are sequentially arranged at intervals along the circumferential direction of the reinforcement cage, each second shear key group comprises a plurality of shear keys 32, and the second shear key groups and the first shear key groups are arranged in a one-to-one correspondence manner. The first end of the connecting steel plate 31 is respectively penetrated through each shear key 32 of the first shear key set, and the second end of the connecting steel plate 31 is respectively penetrated through each shear key 32 of the correspondingly arranged second shear key set.
During actual design, according to the specific arrangement positions and the stress modes of the bridge pile foundation and the bearing platform, in the alternative scheme, a plurality of groups of first shear key groups are uniformly distributed at intervals along the circumferential direction of the pile foundation outer pipe 11, and the number of the shear keys 32 contained in each first shear key group is the same or different. The multiple groups of second shear key groups are uniformly distributed at intervals along the circumferential direction of the reinforcement cage, and the number of the shear keys 32 contained in each second shear key group is the same or different. The number of the shear keys 32 included in the first shear key group is equal to or different from the number of the shear keys 32 included in the correspondingly arranged second shear key group.
In the first specific embodiment of this alternative, as shown in fig. 1, the plurality of shear keys 32 of the first shear key group are sequentially arranged at intervals along the axial direction of the pile foundation outer tube 11, and the plurality of shear keys 32 of the correspondingly arranged second shear key group are sequentially arranged at intervals along the axial direction of the reinforcement cage. The connecting steel plates 31 penetrating through the shear keys 32 of the first shear key group and the corresponding shear keys 32 of the second shear key group extend along the axial direction. The linear arrangement connection mode of the first shear key group, the second shear key group and the correspondingly connected connecting steel plates 31 is beneficial to the integral bearing of horizontal load and vertical drawing load of the connection structure of the bridge pile foundation and the bearing platform, the shearing resistance performance is good, and the connection part of the bridge pile foundation and the bearing platform is stable and reliable.
In a second embodiment of this alternative, not shown in the drawings, the plurality of shear keys 32 of the first shear key group are sequentially arranged at intervals in a spiral line along the axial direction of the pile foundation outer tube 11, and the plurality of shear keys 32 of the correspondingly arranged second shear key group are sequentially arranged at intervals in a spiral line along the axial direction of the reinforcement cage. The connecting steel plates 31 penetrating through the shear keys 32 of the first shear key group and the corresponding shear keys 32 of the second shear key group extend in a spiral line along the axial direction. This kind of spiral laying connection mode of first shear force key group, second shear force key group and the connecting steel sheet 31 three of corresponding connection is favorable to bridge pile foundation and cushion cap connection structure's whole horizontal direction, outer peripheral face tangential direction and the load of vertical drawing of accepting, and anti-shear performance is better, and bridge pile foundation is more stable, reliable with the junction of supporting the cushion cap.
In this alternative, the first shear key group and the second shear key group which is correspondingly arranged are connected to form one shear key 32 belt. The shear keys 32 of two adjacent shear key 32 belts are correspondingly arranged in the circumferential direction or are arranged in a staggered manner. And during actual design, the concrete arrangement is carried out according to the concrete arrangement positions and stress modes of the bridge pile foundation and the supporting bearing platform.
Optionally, the rigid connection member 30 further includes an annular connection steel ring, and the connection steel ring is respectively disposed on the outer circle of the pile outer tube 11 and the outer circle of the reinforcement cage. The connecting steel ring on the pile outer tube 11 is inserted into the correspondingly arranged shear key 32 and is welded and fixed with the outer wall surface of the pile outer tube 11. The connecting steel ring on the reinforcement cage is arranged on the correspondingly arranged shear key 32 in a penetrating way and is welded and fixed with the outer wall surface of the reinforcement cage. Through setting up connecting steel ring with vertical layout or the connecting steel plate 31 that the helix laid, pile foundation outer tube 11 and steel reinforcement cage welded fastening become wholly, thereby further strengthen the utility model discloses a bridge pile foundation and the holistic fastness and the stability of cushion cap connection structure make it be difficult for more by horizontal direction load and vertical drawing load destruction, bearing capacity is higher.
In this alternative, the connecting steel rings on the outer pipe 11 of the pile foundation are sequentially arranged at intervals along the axial direction of the outer pipe 11 of the pile foundation. The connecting steel rings on the reinforcement cage are sequentially arranged at intervals along the axial direction of the reinforcement cage.
Optionally, as shown in fig. 1 and 2, the bridge pile foundation 10 further comprises a concrete column 12 formed by pouring concrete into the pile outer tube 11. The support platform 20 includes a lower platform 21 fixed to the top end of the bridge pile foundation 10, and an upper platform 22 connected to the lower platform 21. The lower bearing platform 21 comprises a reinforcement cage and a concrete lower bearing platform body formed by pouring ultrahigh-toughness concrete on the reinforcement cage. The lower bearing platform 21 is made of ultra-high-toughness concrete, so that the durability and the anti-cracking performance are greatly improved, and the cracking and the damage of the concrete at the joint are avoided. In the alternative, the ultra-high toughness concrete is composed of cement, fly ash, fine quartz sand, water, polyvinyl alcohol fiber and a high efficiency water reducing agent. The mixing amount of the cement in each cubic ultra-high toughness concrete is 400-500 Kg/m3690-870 Kg/m of fly ash3400-600 Kg/m of quartz sand3300 to 350Kg/m of water35-6 Kg/m of high-efficiency water reducing agent325-26 Kg/m of polyvinyl alcohol fiber3。
In this alternative, the bridge pile foundation 10 is a steel pipe concrete pile, which is a pile foundation of bridge engineering or building engineering. The steel pipe concrete pile is a pile foundation which is formed by pouring common concrete into a steel pipe; the supporting bearing platform 20 is divided into a lower bearing platform 21 and an upper bearing platform 22, the upper bearing platform 22 is made of common concrete, and the lower bearing platform 21 is made of ultra-high-toughness concrete. The connecting steel plate 31 and the shear key 32 are both made of steel, and the diameter of the reserved hole of the connecting steel plate 31 is consistent with the size of the shear key 32, so that the connecting steel plate 31 can stably penetrate through the shear key 32.
When the bridge pile foundation and bearing platform connecting structure of the utility model is constructed, firstly, the excavation of the pile foundation hole is finished, the steel pipe is placed at the designed elevation, the steel pipe and the connecting steel plate are consolidated together through the shear key, and the common concrete is poured into the steel pipe, so that the construction of the steel pipe concrete pile is finished; secondly, finishing the arrangement of a steel reinforcement cage of the lower bearing platform according to a conventional construction method, welding and fixing the connecting steel plate and the steel reinforcement cage through a shear key, and then pouring the lower bearing platform to enable the steel pipe concrete pile to be fixedly connected with the lower bearing platform; and finally, finishing the construction of the upper bearing platform and the upper structure, and specifically operating as follows:
firstly, welding and solidifying a connecting steel plate and a steel pipe through a shear key;
finishing the excavation of the pile foundation hole, placing the steel pipe in the excavated hole, and then pouring concrete inside the steel pipe to a designed elevation;
binding the reinforcement cage of the lower bearing platform, and welding and fixing the steel pipe and the reinforcement cage of the lower bearing platform through a shear key;
pouring of the lower bearing platform is completed, and ultra-high-toughness concrete is adopted;
completing the pouring of the upper bearing platform to enable the bearing platform and the pile foundation to form a whole;
the utility model discloses a bridge pile foundation and cushion cap connection structure construction easy operation, construction cycle are short, maneuverability is high.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a bridge pile foundation and cushion cap connection structure which characterized in that includes:
the bridge pile structure comprises a bridge pile foundation (10) which is vertically erected, a supporting bearing platform (20) which is connected to the top end of the bridge pile foundation (10), and a rigid connecting member (30) which is made of rigid materials;
the bridge pile foundation (10) comprises a pile foundation outer pipe (11) used as a support frame body, and the bearing platform (20) comprises a steel reinforcement cage used as a support framework;
the rigid connecting member (30) is respectively welded and fixed with the pile foundation outer pipe (11) and the reinforcement cage, so that the bridge pile foundation (10) and the supporting bearing platform (20) are fixedly combined into a whole.
2. The bridge pile foundation and cap connection structure of claim 1,
the rigid connecting member (30) comprises a connecting steel plate (31) and a shear key (32);
the shear key (32) is respectively arranged on the pile foundation outer pipe (11) and the reinforcement cage, the fixed end of the shear key (32) on the pile foundation outer pipe (11) is welded and fixed with the outer wall surface of the pile foundation outer pipe (11), and the fixed end of the shear key (32) on the reinforcement cage is welded and fixed with the outer wall surface of the reinforcement cage;
the connecting steel plate (31) respectively wears to locate pile foundation outer tube (11) shear force key (32) reach the steel reinforcement cage on shear force key (32), just connecting steel plate (31) respectively with the outer wall of pile foundation outer tube (11) reaches the outer wall welded fastening of steel reinforcement cage.
3. The bridge pile foundation and cap connection structure of claim 2,
the shear keys (32) on the outer pipe (11) of the pile foundation are divided into first shear key groups which are sequentially arranged along the circumference of the outer pipe (11) of the pile foundation at intervals, and each first shear key group comprises a plurality of shear keys (32);
the plurality of shear keys (32) on the reinforcement cage are divided into second shear key groups which are sequentially arranged along the circumferential direction of the reinforcement cage at intervals, each second shear key group comprises a plurality of shear keys (32), and the second shear key groups and the first shear key groups are arranged in a one-to-one correspondence manner;
the first ends of the connecting steel plates (31) are respectively arranged on the shear keys (32) of the first shear key group in a penetrating mode, and the second ends of the connecting steel plates (31) are respectively arranged on the shear keys (32) of the second shear key group in a penetrating mode.
4. The bridge pile foundation and cap connection structure of claim 3,
the multiple groups of first shear key groups are uniformly distributed at intervals along the circumferential direction of the pile foundation outer pipe (11), and the number of the shear keys (32) contained in each first shear key group is the same or different;
the plurality of groups of second shear key groups are uniformly distributed at intervals along the circumferential direction of the reinforcement cage, and the number of the shear keys (32) contained in each second shear key group is the same or different;
the number of the shear keys (32) contained in the first shear key group is equal to or unequal to the number of the shear keys (32) contained in the correspondingly arranged second shear key group.
5. The bridge pile foundation and cap connection structure of claim 3,
the shear keys (32) of the first shear key group are sequentially arranged at intervals along the axial direction of the pile foundation outer pipe (11), and the shear keys (32) of the correspondingly arranged second shear key group are sequentially arranged at intervals along the axial direction of the reinforcement cage;
the connecting steel plates (31) penetrate through the shear keys (32) of the first shear key group and the corresponding shear keys (32) of the second shear key group and extend along the axial direction.
6. The bridge pile foundation and cap connection structure of claim 3,
the shear keys (32) of the first shear key group are sequentially arranged at intervals in a spiral line along the axial direction of the pile foundation outer pipe (11), and the shear keys (32) of the correspondingly arranged second shear key group are sequentially arranged at intervals in a spiral line along the axial direction of the reinforcement cage;
the connecting steel plates (31) penetrate through the shear keys (32) of the first shear key group and the corresponding shear keys (32) of the second shear key group and extend in a spiral line mode along the axial direction.
7. The bridge pile foundation and cap connection structure of claim 3,
the first shear key group and the second shear key group which are correspondingly arranged are connected to form a shear key (32) belt;
the shear keys (32) of two adjacent shear key (32) belts are correspondingly arranged in the circumferential direction or are arranged in a staggered mode.
8. The bridge pile foundation and cap connection structure of claim 3,
the rigid connecting member (30) further comprises an annular connecting steel ring, and the connecting steel ring is respectively arranged on the excircle of the pile foundation outer pipe (11) and the excircle of the reinforcement cage;
the connecting steel ring on the pile foundation outer pipe (11) penetrates through the correspondingly arranged shear key (32) and is welded and fixed with the outer wall surface of the pile foundation outer pipe (11);
the connecting steel ring on the reinforcement cage is arranged on the corresponding shear key (32) in a penetrating mode and is fixedly welded with the outer wall surface of the reinforcement cage.
9. The bridge pile foundation and cap connection structure of claim 8,
the connecting steel rings on the pile foundation outer pipe (11) are sequentially arranged at intervals along the axial direction of the pile foundation outer pipe (11);
the connecting steel rings on the reinforcement cage are sequentially arranged at intervals along the axial direction of the reinforcement cage.
10. The bridge pile foundation and cap connection structure of claim 1,
the bridge pile foundation (10) further comprises a concrete column (12) formed by pouring concrete into the pile foundation outer pipe (11);
the supporting bearing platform (20) comprises a lower bearing platform (21) fixed with the top end of the bridge pile foundation (10) and an upper bearing platform (22) connected to the lower bearing platform (21);
the lower bearing platform (21) comprises the reinforcement cage and a concrete lower bearing platform body formed by pouring ultrahigh-toughness concrete on the reinforcement cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022899423.5U CN214219717U (en) | 2020-12-04 | 2020-12-04 | Bridge pile foundation and bearing platform connecting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022899423.5U CN214219717U (en) | 2020-12-04 | 2020-12-04 | Bridge pile foundation and bearing platform connecting structure |
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| CN214219717U true CN214219717U (en) | 2021-09-17 |
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| CN202022899423.5U Active CN214219717U (en) | 2020-12-04 | 2020-12-04 | Bridge pile foundation and bearing platform connecting structure |
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