CN216586645U - Socket joint formula built-up connection structure and bridge of prefabricated pier stand and cushion cap - Google Patents
Socket joint formula built-up connection structure and bridge of prefabricated pier stand and cushion cap Download PDFInfo
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- CN216586645U CN216586645U CN202123434054.3U CN202123434054U CN216586645U CN 216586645 U CN216586645 U CN 216586645U CN 202123434054 U CN202123434054 U CN 202123434054U CN 216586645 U CN216586645 U CN 216586645U
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Abstract
The utility model provides a prefabricated pier stand and cushion cap's socket joint formula built-up connection structure and bridge belongs to bridge engineering technical field. The connecting structure comprises a clamping tenon and a mortise head, the clamping tenon comprises a stage lowering stage and a stage ascending stage, the size of the cross section of the stage lowering stage is larger than that of the cross section of the stage ascending stage, the lower part of the stage lowering stage is fixedly arranged on the bearing platform, and the stage ascending stage is fixedly arranged on the stage lowering stage; the mortise head is used for being connected with the upright column and is provided with a mounting notch, a grouting sleeve and a grout overflow hole, the mounting notch is matched with the shape of the clamping tenon, and gaps are formed between the mounting notch and the lower step section as well as between the mounting notch and the upper step section; the grouting sleeve is used for grouting into the gap; the grout holes are used to drain void air and excess grout. The bridge comprises the socket joint type combined connection structure of the prefabricated bridge pier stand column and the bearing platform. The utility model discloses can strengthen overall structure's connection performance, improve security and stability, be favorable to reducing construction cycle, reduce the construction requirement, make things convenient for the construction to arrange and dispatch.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering, more specifically say, relate to a socket joint formula built-up connection structure and bridge of prefabricated pier stand and cushion cap.
Background
In the design and construction of a bridge, the bearing platform and the upright post are generally cast-in-place. Because the construction period is long, assembly construction can be considered in some projects, during the assembly construction, a bearing platform and an upright post are prefabricated and then transported to a construction site, the bearing platform is installed and fixed on a pile foundation, and then the upright post is fixedly installed on the bearing platform.
At present, in other building construction fields, some building components can be connected in a socket joint type mode, but because the volume of a bridge bearing platform and a vertical column is large, and the weight is also large, if a slot is directly formed in the bridge bearing platform, the structural safety of the bearing platform can be influenced, so that the bearing platform is designed to be larger, materials are wasted, and the transportation and the installation are very inconvenient; if the upright post is provided with the slot, the conventional mode can cause the slot part of the upright post to be split due to the relatively small sectional area of the upright post, so that danger is caused, and the socket connection mode needs to be redesigned.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a socket joint formula built-up connection structure and bridge of prefabricated pier stand and cushion cap to solve the above-mentioned technical problem that exists among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: the socket joint type combined connecting structure comprises a clamping tenon and a mortise head, wherein the clamping tenon comprises a lower stage and an upper step section, the size of the cross section of the lower stage is larger than that of the cross section of the upper step section, the lower part of the lower stage is fixedly arranged on the bearing platform, and the upper step section is fixedly arranged on the lower stage; the mortise head is used for being connected with the upright column and is provided with a mounting notch, a grouting sleeve and a grout overflow hole, the mounting notch is matched with the shape of the clamping tenon, and gaps are formed between the mounting notch and the lower step section as well as between the mounting notch and the upper step section; the grouting sleeve is arranged at the lower part of the mortise head, one end of the grouting sleeve is communicated with the gap, and the other end of the grouting sleeve is communicated with the outside and is used for grouting into the gap; the slurry overflow hole is positioned above the mounting notch, one end of the slurry overflow hole is communicated with the bottom of the mounting notch, and the other end of the slurry overflow hole is communicated with the outside for discharging gap air and redundant slurry.
In one possible implementation mode, the lower stage and the upper step section are both of a cuboid structure, and a step surface is formed between the lower stage and the upper step section; the inner wall of the mounting notch is an inverse step surface matched with the step surface.
In a possible implementation manner, the outer side surfaces of the lower stage and the upper stage and the inner wall of the mounting notch are provided with shear key grooves.
In a possible implementation manner, the shear key groove is an annular groove structure which is perpendicular to the axial direction of the upright column, and the cross section of the annular groove structure is arc-shaped.
In one possible implementation mode, the shear key grooves on the lower step section and the upper step section are arranged opposite to the shear key grooves on the mounting notches; the maximum distance between the shear key grooves on the lower step section and the upper step section and the shear key grooves on the mounting notches is not less than 2 cm.
In a possible implementation mode, the socket joint type combined connection structure of the prefabricated pier stand column and the bearing platform further comprises a plurality of inserting ribs, a plurality of inserting rib holes matched with the inserting ribs are formed in the mortise heads, the inserting ribs are arranged around the clamping tenons, the lower ends of the inserting ribs are buried in the bearing platform, and the exposed portions of the inserting ribs are used for being inserted into the inserting rib holes.
In one possible implementation, the grouting sleeve is in communication with the tendon insertion hole for grouting into the tendon insertion hole.
In a possible implementation mode, the top of the upper step section is further provided with a plurality of cushion blocks, the cushion blocks are fixedly connected with the upper step section, and the cushion blocks are arranged in an array mode at the top of the upper step section and used for bearing the bottom of the mounting notch.
In one possible implementation mode, the clamping tenon and the bearing platform are of a prefabricated structure which is integrally formed; mortise head and stand are integrated into one piece's prefabricated construction.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a bridge, including foretell prefabricated pier stand and cushion cap's socket joint formula built-up connection structure.
The utility model provides a socket joint formula built-up connection structure of prefabricated pier stand and cushion cap's beneficial effect lies in: compared with the prior art, the mortise and tenon joint structure has the advantages that the mortise and tenon joint structure is formed through the clamping tenon and the mortise and tenon joint, the installation notch is matched with the installation notch of the mortise and tenon joint through the lower stage and the upper step stage with different sizes, so that the size of the installation notch in the depth direction can be reduced, the local stress concentration phenomenon can be reduced, the fracture of the mortise and tenon joint part can be avoided, the connection performance of the whole structure is enhanced, and the safety and the stability are improved; simultaneously through set up slip casting sleeve and excessive thick liquid hole on the basis of this kind of structure and can conveniently carry out the slip casting consolidation for connect and to form intensity rapidly, existing to be favorable to reducing construction cycle, can avoid too much bearing structure again, can reduce the construction requirement, make things convenient for construction arrangement and dispatch.
The utility model provides a bridge's beneficial effect lies in: compared with the prior art, the utility model has the advantages that the socket joint type combined connecting structure of the prefabricated pier stand column and the bearing platform is arranged, so that the connecting performance of the whole structure can be enhanced, and the safety and the stability are improved; the construction period is favorably shortened, too many supporting structures can be avoided, the construction requirement can be reduced, and the construction arrangement and the scheduling are convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural view of a socket joint type combined connection structure of a prefabricated pier column and a bearing platform provided by the embodiment of the utility model;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Wherein the reference numerals in the figures are as follows:
10. a tenon is clamped; 11. a stage of setting; 12. a stage of loading; 13. a shear key groove; 14. cushion blocks;
20. riveting heads; 21. installing a notch; 22. grouting the sleeve; 23. a slurry overflow hole; 24. a rib inserting hole;
30. inserting ribs; 40. a bearing platform; 50. a column; 60. pile foundation.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It is right now the utility model provides a prefabricated pier stand explains with socket joint formula built-up connection structure and bridge of cushion cap.
Referring to fig. 1 and 2 together, a socket joint type combined connection structure for a prefabricated pier column and a bearing platform according to a first embodiment of the present invention includes a mortise 10 and a mortise 20, the mortise 10 includes a lower stage 11 and an upper stage 12, the cross section of the lower stage 11 is larger than the cross section of the upper stage 12, the lower portion of the lower stage 11 is used for being fixedly disposed on the bearing platform 40, and the upper stage 12 is fixedly disposed on the lower stage 11; the mortise head 20 is used for being connected with the upright column 50 and is provided with a mounting notch 21, a grouting sleeve 22 and a grout overflow hole 23, the mounting notch 21 is matched with the shape of the clamping tenon 10, and gaps are reserved between the mounting notch 21 and the lower stage 11 and between the mounting notch 21 and the upper step section 12; the grouting sleeve 22 is arranged at the lower part of the mortise head 20, one end of the grouting sleeve is communicated with the gap, and the other end of the grouting sleeve is communicated with the outside and is used for grouting into the gap; the slurry overflow hole 23 is located above the mounting notch 21, one end of the slurry overflow hole is communicated with the bottom of the mounting notch 21, and the other end of the slurry overflow hole is communicated with the outside for discharging gap air and redundant slurry.
Before construction, prefabricating a bearing platform 40 with a clamping tenon 10 and an upright column 50 with a mortise head 20; during construction, the bearing platform 40 is installed on the pile foundation 60, the upright column 50 is hung on the bearing platform 40 through the cooperation of the clamping tenon 10 and the mortise head 20, then grouting is performed on the gap between the installation notch 21 and the lower stage 11 and the upper step section 12 through the grouting sleeve 22 until grout is full of, and the grout flows out of the grout overflow hole 23.
Compared with the prior art, the socket joint type combined connection structure of the prefabricated pier column and the bearing platform has the advantages that the socket joint structure is formed by the clamping tenon 10 and the mortise head 20, and the installation notch 21 of the mortise head 20 is matched with the lower platform stage 11 and the upper step section 12 which are different in size, so that the size of the installation notch 21 in the depth direction can be reduced, the local stress concentration phenomenon can be reduced, the split of the position of the mortise head 20 can be avoided, the connection performance of the overall structure is enhanced, and the safety and the stability are improved; simultaneously through set up slip casting sleeve 22 and excessive thick liquid hole 23 on the basis of this kind of structure can conveniently carry out the slip casting consolidation for the connection can form intensity rapidly, has both been favorable to reducing construction cycle, can avoid too much bearing structure again, can reduce the construction requirement, makes things convenient for construction arrangement and dispatch.
Referring to fig. 1 and fig. 2, the present invention provides a first embodiment, which is as follows:
the lower stage 11 and the upper step section 12 are both of cuboid structures, and a step surface is formed between the lower stage 11 and the upper step section 12; the inner wall of the mounting notch 21 is an inverse step surface matched with the step surface so as to enhance the combination property and improve the shearing resistance and the tensile resistance of the connecting structure.
The outer side surfaces of the lower step section 11 and the upper step section 12 and the inner wall of the mounting notch 21 are provided with shear key grooves 13. The shear key groove 13 can increase the contact area of the joint, and the grouting consolidation body formed after grouting consolidation can greatly improve the shearing resistance and the tensile resistance of the connecting structure under the blocking of the shear key groove 13.
The shear key groove 13 is an annular groove structure perpendicular to the axial direction of the column 50, and the cross section of the annular groove structure is arc-shaped to avoid air bubbles.
The shear key grooves 13 on the lower step section 11 and the upper step section 12 are opposite to the shear key grooves 13 on the mounting notch 21; the maximum distance between the shear key grooves 13 on the lower step section 11 and the upper step section 12 and the shear key grooves 13 on the mounting notches 21 is not less than 2cm, so that the situation of insufficient grouting is avoided.
The socket joint formula built-up connection structure of prefabricated pier stand and cushion cap still includes a plurality of dowel bars 30, is equipped with a plurality of dowel bar holes 24 with dowel bar 30 complex on the fourth of the twelve earthly branches head 20, and a plurality of dowel bars 30 set up around the trip 10, and the lower extreme all buries underground in cushion cap 40, exposes the part and is used for inserting in dowel bar hole 24.
The joint bar 30 can play the effect of temporary fixation with the cooperation of joint bar hole 24, just before stand and cushion cap hoist and mount installation, just can pour into adhesive material in joint bar hole 24 earlier, then directly insert joint bar hole 24 cover on joint bar 30 when hoist and mount installation, after adhesive material hardens, can form preliminary support to stand and cushion cap, later carry out the slip casting then safer, joint bar 30 itself also can promote the connection performance of junction simultaneously.
The grouting sleeve 22 may be in communication with the tendon holes 24 for grouting into the tendon holes 24.
Go up the bench section 12 top and still be equipped with a plurality of cushion 14, a plurality of cushion 14 all with last bench section 12 fixed connection, and be the array arrangement at last bench stage 12 top for bearing installation notch 21 bottom. The cushion block 14 is prefabricated by using concrete together when the tenon 10 is prefabricated, and protrudes out of the top of the upper step section 12 for a large distance, when the tenon is installed, redundant parts of the cushion block 14 are ground or sawn off according to the depth of the installation notch 21, the reserved parts can support the bottom of the installation notch 21, and a gap between the installation notch 21 and the upper step section 12 and the grout overflow hole 23 can be communicated with each other all the time.
The tenon 10 and the bearing platform 40 are of an integrally formed prefabricated structure; mortise head 20 and stand 50 are integrated into one piece's prefabricated construction.
The utility model discloses the bridge that second embodiment provided, socket joint formula built-up connection structure including foretell prefabricated pier stand and cushion cap.
Compared with the prior art, the bridge provided by the embodiment has the advantages that the socket type combined connecting structure of the prefabricated bridge pier stand column and the bearing platform is arranged, so that the connecting performance of the whole structure can be enhanced, and the safety and the stability are improved; the construction period is favorably shortened, too many supporting structures can be avoided, the construction requirement can be reduced, and the construction arrangement and the scheduling are convenient.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a socket joint formula built-up connection structure of prefabricated pier stand and cushion cap which characterized in that includes:
the tenon comprises a stage of descending and a stage of ascending, the size of the cross section of the stage of descending is larger than that of the cross section of the stage of ascending, the lower part of the stage of descending is used for being fixedly arranged on the bearing platform, and the stage of ascending is fixedly arranged on the stage of descending;
the mortise head is used for being connected with the upright column and is provided with a mounting notch, a grouting sleeve and a grout overflow hole, the mounting notch is matched with the shape of the clamping tenon, and gaps are reserved between the mounting notch and the lower step section as well as between the mounting notch and the upper step section; the grouting sleeve is arranged at the lower part of the mortise head, one end of the grouting sleeve is communicated with the gap, and the other end of the grouting sleeve is communicated with the outside and is used for grouting into the gap; the slurry overflow hole is positioned above the mounting notch, one end of the slurry overflow hole is communicated with the bottom of the mounting notch, and the other end of the slurry overflow hole is communicated with the outside and used for discharging the gap air and the redundant slurry.
2. The socket type composite connection structure of the prefabricated pier column and the bearing platform according to claim 1, wherein: the lower stage and the upper step section are both of cuboid structures, and a step surface is formed between the lower stage and the upper step section; the inner wall of the mounting notch is an inverse step surface matched with the step surface.
3. The socket type composite connection structure of the prefabricated pier column and the bearing platform according to claim 1, wherein: and shear key grooves are formed in the outer side surfaces of the lower stage and the upper stage and in the inner wall of the mounting notch.
4. The socket type composite connection structure of the prefabricated pier column and the bearing platform according to claim 3, wherein: the shear force keyway is with the annular structure of the perpendicular setting of axis direction of stand, just the arc is personally submitted in annular structure's transversal.
5. The socket type composite connection structure of the prefabricated pier column and the bearing platform according to claim 3, wherein: the shear key grooves on the lower step section and the upper step section are opposite to the shear key grooves on the mounting notches; the maximum distance between the shear key grooves on the lower step section and the upper step section and the shear key groove on the mounting notch is not less than 2 cm.
6. The socket type composite connection structure of the prefabricated pier column and the bearing platform according to claim 1, wherein: the socket joint formula built-up connection structure of prefabricated pier stand and cushion cap still includes a plurality of dowel bars, be equipped with on the fourth of the twelve earthly branches head a plurality of with dowel bar complex dowel bar hole, it is a plurality of the dowel bar centers on the trip setting, and the lower extreme all buries underground in the cushion cap, exposes the part and is used for inserting the dowel bar is downthehole.
7. The socket type composite connection structure of the prefabricated pier column and the bearing platform according to claim 6, wherein: the grouting sleeve is communicated with the rib inserting hole and is used for grouting into the rib inserting hole.
8. The socket type composite connection structure of the prefabricated pier column and the bearing platform according to claim 1, wherein: the top of the upper step section is also provided with a plurality of cushion blocks which are fixedly connected with the upper step section, and the top of the upper step section is arranged in an array manner and used for bearing the bottom of the mounting notch.
9. The socket type composite connection structure of the prefabricated pier column and the bearing platform according to claim 1, wherein: the clamping tenon and the bearing platform are of an integrally formed prefabricated structure; the mortise head and the upright post are of an integrally formed prefabricated structure.
10. A bridge, characterized in that: a socket type composite connection structure comprising the prefabricated pier stud and the cap according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123434054.3U CN216586645U (en) | 2021-12-30 | 2021-12-30 | Socket joint formula built-up connection structure and bridge of prefabricated pier stand and cushion cap |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123434054.3U CN216586645U (en) | 2021-12-30 | 2021-12-30 | Socket joint formula built-up connection structure and bridge of prefabricated pier stand and cushion cap |
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| CN216586645U true CN216586645U (en) | 2022-05-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387374A (en) * | 2022-07-22 | 2022-11-25 | 金华电力设计院有限公司 | Shear connection method for assembly type cushion cap anchor cable foundation of power transmission tower |
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2021
- 2021-12-30 CN CN202123434054.3U patent/CN216586645U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387374A (en) * | 2022-07-22 | 2022-11-25 | 金华电力设计院有限公司 | Shear connection method for assembly type cushion cap anchor cable foundation of power transmission tower |
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