CN221142446U - Anchor type prefabricated assembled bent cap - Google Patents
Anchor type prefabricated assembled bent cap Download PDFInfo
- Publication number
- CN221142446U CN221142446U CN202323176804.0U CN202323176804U CN221142446U CN 221142446 U CN221142446 U CN 221142446U CN 202323176804 U CN202323176804 U CN 202323176804U CN 221142446 U CN221142446 U CN 221142446U
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- bent cap
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- prefabricated
- splice
- assembled
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- 238000004873 anchoring Methods 0.000 claims abstract description 54
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000004570 mortar (masonry) Substances 0.000 claims description 10
- 238000005056 compaction Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 32
- 238000000034 method Methods 0.000 abstract description 12
- 238000005266 casting Methods 0.000 abstract description 3
- 238000009417 prefabrication Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model belongs to the technical field of assembled buildings, and particularly relates to an anchoring type prefabricated assembled bent cap, which comprises the following components: the prefabricated bent cap of first section and prefabricated bent cap of second section, the one end of the prefabricated bent cap of first section is equipped with first splice, and the one end of the prefabricated bent cap of second section is equipped with second splice, and first splice and second splice, first splice and second splice pass through anchor rigid coupling, and the splice department of first splice and second splice is equipped with bonding portion. Compared with the traditional cast-in-place construction method, the method has the advantages that the bent cap is manufactured in the prefabrication factory in sections, the quality of the bent cap is easier to control, the bent cap can be directly assembled on site, the construction efficiency is greatly improved, the influence of construction on the surrounding environment is reduced, and the influence of the artificial construction factors on the bent cap quality due to site construction is reduced; compared with the method of casting concrete on site at the connecting section of the prefabricated bent cap, the method further simplifies the on-site construction process.
Description
Technical Field
The utility model belongs to the technical field of assembled buildings, and particularly relates to an anchoring type prefabricated assembled bent cap.
Background
In the prior art, most of bridge substructure bent caps are constructed by adopting cast-in-place construction, the construction quality of the method is difficult to control, the cast-in-place construction has high requirements on quality of workers, the influence factors on the construction of the bridge bent caps are more, the construction period of the cast-in-place construction is long, and the efficiency is low; the field construction procedures are complicated, and the field construction bent cap comprises binding reinforcing steel bars, installing templates for pouring concrete, removing the templates, curing the concrete and the like; has larger influence on the periphery and wider occupation area.
In recent years, due to rapid development of technology, the concept of fabricated building is in depth, the range of applying the fabricated technology to the field of bridge engineering is wider and wider, in the construction design of the bent cap, most of existing prefabricated bent caps combined with the fabricated technology are prefabricated in a prefabricated factory and transported to a construction site, and when two adjacent prefabricated bent caps are constructed and assembled on site, the two adjacent prefabricated bent cap sections are generally connected by adopting a connecting section cast-in-situ, and when the two adjacent prefabricated bent cap sections are installed and constructed on site, a wet connection technology is adopted, so that the completely assembled bent cap is not formed, and therefore, the anchoring type prefabricated assembled bent cap is needed to be solved.
Disclosure of utility model
The utility model aims to provide an anchoring type prefabricated assembled bent cap so as to solve the problems.
In order to achieve the above object, the present utility model provides the following solutions:
An anchored prefabricated assembled bent cap, comprising: the prefabricated bent cap of first section and prefabricated bent cap of second section, the one end of the prefabricated bent cap of first section is equipped with first splice, the one end of the prefabricated bent cap of second section is equipped with second splice, first splice with second splice concatenation, first splice with second splice passes through anchor rigid coupling, first splice with the splice department of second splice is equipped with bonding portion.
Preferably, the first splicing part comprises a first splicing section of the anchor type prefabricated bent cap, the first splicing section of the anchor type prefabricated bent cap is a continuous bending protrusion, and the first splicing section of the anchor type prefabricated bent cap is spliced with the second splicing part.
Preferably, the second splicing part comprises an anchored prefabricated capping beam second splicing section, the anchored prefabricated capping beam second splicing section is a continuously bent groove, the protrusion of the anchored prefabricated capping beam first splicing section is matched with the groove of the anchored prefabricated capping beam second splicing section, the anchored prefabricated capping beam first splicing section and the anchored prefabricated capping beam second splicing section are spliced, and the bonding part is arranged at the splice joint of the anchored prefabricated capping beam first splicing section and the anchored prefabricated capping beam second splicing section.
Preferably, the bonding part comprises high-performance self-compaction mortar, and the high-performance self-compaction mortar is filled at the joint of the first assembly section of the anchoring type prefabricated bent cap and the second assembly section of the anchoring type prefabricated bent cap.
Preferably, the anchoring part comprises a plurality of prestressed cables, the top ends of the prestressed cables are fixedly connected to the top of the first assembly section of the anchoring type precast bent cap through a prestressed cable fixing end anchor, the prestressed cables penetrate through the first assembly section of the anchoring type precast bent cap and the second assembly section of the anchoring type precast bent cap, and the bottoms of the prestressed cables are fixedly connected with the bottoms of the first assembly section of the anchoring type precast bent cap through a prestressed cable tensioning end anchor;
The straight line where the prestressed cable is located is spatially perpendicular to the splicing direction of the first section of prefabricated bent cap and the first splicing section of the anchored prefabricated bent cap.
Preferably, the convex part of the first assembly section of the anchoring type prefabricated bent cap and the convex part of the second assembly section of the anchoring type prefabricated bent cap are embedded with bending steel bars, and the bending steel bars are used for improving the strength of the convex part of the first assembly section of the anchoring type prefabricated bent cap and the strength of the convex part of the second assembly section of the anchoring type prefabricated bent cap.
Compared with the prior art, the utility model has the following advantages and technical effects:
When the prefabricated cover beam is used, the first section prefabricated cover beam and the second section prefabricated cover beam are prefabricated in a factory, after the first section prefabricated cover beam and the second section prefabricated cover beam are transported to a construction site, the first section prefabricated cover beam and the second section prefabricated cover beam are respectively and correspondingly fixedly connected to the bridge pier, then the first splicing part of the first section prefabricated cover beam and the second splicing part of the second section prefabricated cover beam are completely spliced together, then the first splicing part and the second splicing part are fixedly connected together through the anchoring part, and the splicing part is injected to enable the splicing part to be filled in the splicing joint between the first splicing part, the second splicing part and the anchoring part. When the method is used, compared with the traditional cast-in-place construction method, the bent cap is manufactured in a prefabrication factory in sections, the quality of the bent cap is easier to control, the bent cap can be directly assembled on site, the construction efficiency is greatly improved, the influence of construction on the surrounding environment is reduced, and the influence of artificial construction factors on the quality of the bent cap due to site construction is reduced; compared with the method of casting concrete on site on the connecting section of the prefabricated bent cap, the utility model further simplifies the on-site construction process.
Drawings
For a clearer description of an embodiment of the utility model or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the cross-sectional structure of the portion A-A of FIG. 1 according to the present utility model;
Fig. 3 is a schematic splicing diagram of a first splicing section of an anchoring type prefabricated bent cap and a second splicing section of the anchoring type prefabricated bent cap;
wherein, 1, pier; 2. a first section of prefabricated bent cap; 3. the first assembly section of the anchored prefabricated bent cap; 4. a prestress cable fixed end anchorage device; 5. a pre-stress cable; 6. a second section of prefabricated bent cap; 7. high-performance self-compacting mortar; 8. bending steel bars; 9. prestressed cable tensioning end anchorage; 10. and the second splicing section of the anchored prefabricated bent cap.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 3, the present utility model discloses an anchor type prefabricated assembled bent cap, comprising: the prefabricated bent cap 2 of first section and prefabricated bent cap 6 of second section, the one end of the prefabricated bent cap 2 of first section is equipped with first splice, and the one end of the prefabricated bent cap 6 of second section is equipped with second splice, and first splice and second splice, first splice and second splice pass through anchor rigid coupling, and the splice seam department of first splice and second splice is equipped with bonding portion.
When the prefabricated cover beam is used, the first section prefabricated cover beam 2 and the second section prefabricated cover beam 6 are prefabricated in a factory, after the first section prefabricated cover beam 2 and the second section prefabricated cover beam 6 are transported to a construction site, the first section prefabricated cover beam 2 and the second section prefabricated cover beam 6 are respectively and correspondingly fixedly connected to the bridge pier 1, then the first splicing part of the first section prefabricated cover beam 2 and the second splicing part of the second section prefabricated cover beam 6 are completely spliced together, then the first splicing part and the second splicing part are fixedly connected together through the anchoring part, and the bonding part is injected to fill the bonding part at the splice joint between the first splicing part, the second splicing part and the anchoring part, and after the first splicing part and the second splicing part are firmly spliced, the first section prefabricated cover beam 2 and the second section prefabricated cover beam 6 are firmly connected into a whole, so that the quick installation of the prefabricated cover beam section in the construction site is realized. When the method is used, compared with the traditional cast-in-place construction method, the bent cap is manufactured in a prefabrication factory in sections, the quality of the bent cap is easier to control, the bent cap can be directly assembled on site, the construction efficiency is greatly improved, the influence of construction on the surrounding environment is reduced, and the influence of artificial construction factors on the quality of the bent cap due to site construction is reduced; compared with the method of casting concrete on site on the connecting section of the prefabricated bent cap, the utility model further simplifies the on-site construction process.
Further optimizing scheme, first splice includes the prefabricated bent cap of anchor formula first section 3 of assembling, and the prefabricated bent cap of anchor formula first section 3 of assembling is the arch of buckling in succession, and the prefabricated bent cap of anchor formula first section 3 of assembling and second splice.
Further optimizing scheme, second splice includes that prefabricated bent cap second of anchor formula is assembled section 10, and prefabricated bent cap second of anchor formula is assembled section 10 for the recess of buckling in succession, and the protruding of prefabricated bent cap first section of assembling 3 of anchor formula is assembled section 10's recess phase-match with prefabricated bent cap second of anchor formula, and prefabricated bent cap first section of assembling 3 of anchor formula and prefabricated bent cap second of anchor formula are assembled section 10 and are spliced, and the bonding portion sets up in the prefabricated bent cap first section of assembling 3 of anchor formula and the prefabricated bent cap second of anchor formula and assemble the piece department of section 10.
Further optimizing scheme, the bonding portion includes high performance self-compaction mortar 7, and high performance self-compaction mortar 7 fills in the piece department of anchor prefabricated bent cap first assembly section 3 and anchor prefabricated bent cap second assembly section 10.
According to a further optimization scheme, the anchoring part comprises a plurality of prestressed cables 5, the top ends of the prestressed cables 5 are fixedly connected to the top of the first assembly section 3 of the anchoring type prefabricated bent cap through the anchor 4 of the fixed ends of the prestressed cables, the prestressed cables 5 penetrate through the first assembly section 3 of the anchoring type prefabricated bent cap and the second assembly section 10 of the anchoring type prefabricated bent cap, and the bottoms of the prestressed cables 5 are fixedly connected with the bottoms of the first assembly section 3 of the anchoring type prefabricated bent cap through the anchor 9 of the tensioning ends of the prestressed cables;
The straight line where the prestressed cable 5 is located is spatially perpendicular to the splicing direction of the first section of prefabricated bent cap 2 and the first splicing section 3 of the anchored prefabricated bent cap.
According to the further optimization scheme, the bending steel bars 8 are embedded in the protruding portions of the first assembling section 3 of the anchoring type prefabricated bent cap and the protruding portions of the second assembling section 10 of the anchoring type prefabricated bent cap, and the bending steel bars 8 are used for improving the strength of the protruding portions of the first assembling section 3 of the anchoring type prefabricated bent cap and the protruding portions of the second assembling section 10 of the anchoring type prefabricated bent cap.
According to the rapid assembly structure of the prefabricated capping beam, the adjacent first assembly section 3 of the anchored prefabricated capping beam and the adjacent second assembly section 10 of the anchored prefabricated capping beam are rectangular after being assembled, the top, the bottom and the middle of the first assembly section 3 of the anchored prefabricated capping beam are provided with the protrusions, and the grooves are formed between the protrusions in the middle of the first assembly section 3 of the anchored prefabricated capping beam and the protrusions in the top and the bottom.
Grooves are formed in the top, the bottom and the middle of the second assembly section 10 of the anchored prefabricated bent cap, and another bulge is arranged between the grooves in the middle of the second assembly section 10 of the anchored prefabricated bent cap and the grooves in the top and the bottom.
The bulge of the first assembly section 3 of the anchored prefabricated bent cap is matched with the groove of the second assembly section 10 of the anchored prefabricated bent cap, so that the bulge and the groove form a complete rectangle after being spliced.
The protruding parts of the first assembly section 3 of the anchored prefabricated bent cap and the second assembly section 10 of the anchored prefabricated bent cap are provided with a plurality of through holes, and the through holes are used for the penetration of the prestressed cables 5.
The adjacent prefabricated bent cap is connected through the prestressed cable 5 in the through holes, the first assembly section 3 of the anchored prefabricated bent cap and the second assembly section 10 of the anchored prefabricated bent cap are fixedly connected, the first assembly section 3 of the anchored prefabricated bent cap and the second assembly section 10 of the anchored prefabricated bent cap are connected more tightly, meanwhile, the prefabricated bent cap assembly sections have the effect of transverse shearing resistance through the prestressed cable 5, the bent cap is assembled through the connection of the prestressed cable 5, the ductility of the structure can be improved, and the structure has good anti-seismic performance.
In the assembly sections of the first assembly section 3 of the anchoring type prefabricated bent cap and the second assembly section 10 of the anchoring type prefabricated bent cap, gaps between the grooves and the protrusions and gaps between the prestressed cable 5 and the first section prefabricated bent cap 2 and the second section prefabricated bent cap 6 after being perforated and connected are filled with high-performance self-compaction mortar 7, and the novel self-compaction mortar has the effect of improving structural integrity after the first assembly section 3 of the anchoring type prefabricated bent cap and the second assembly section 10 of the anchoring type prefabricated bent cap are connected.
Further, the utility model provides one application example, in the application example, the longitudinal length of the assembled bent cap is 24m, the transverse length of the assembled bent cap is 3m, and the height of the bent cap is 2m. After the assembly, the longitudinal length of the top of the bent cap is 24m, the longitudinal length of the bottom of the bent cap is 19.4m, the longitudinal length of the bent cap at a position 60cm away from the top of the bent cap is linearly changed to 19.4m, the linear change height is 140cm, the two cantilever sides of the bent cap are 5m away from the center line of the bridge pier, and the midspan span is 14m based on the center line of the two bridge piers.
The protrusions of the first assembly section 3 of the anchoring type prefabricated bent cap, which are positioned at the top and the bottom, are 160cm long and 37.5cm high, the protrusions of the middle part of the first assembly section 3 of the anchoring type prefabricated bent cap are 160cm long and 35cm high, and the protrusions of the first assembly section 3 of the anchoring type prefabricated bent cap are matched with the grooves of the second assembly section 10 of the anchoring type prefabricated bent cap at the other side.
Two rows of bending steel bars 8 are arranged in the bulges of the first assembling section 3 of the anchoring type prefabricated bent cap and the second assembling section 10 of the anchoring type prefabricated bent cap, after the two rows of adjacent bending steel bars 8 are spliced, the distance between the two rows of adjacent bending steel bars 8 is 30cm, and the distance between the two rows of adjacent bending steel bars 8 is 20cm. The bending steel bar 8 is used for improving the strength of the bulge and preventing damage.
After anchoring, the bulges are stressed mutually, so that the stress performance of the assembly section can be improved.
The prestressed cable 5 is composed of a plurality of prestressed steel strands, the material performance of which meets the national standard, and in the application example, the prestressed cable 5 with Dn=30mm composed of the prestressed steel strands is adopted for anchoring connection.
During construction, the adjacent first section prefabricated bent cap 2 and second section prefabricated bent cap 6 are assembled, and the bent cap after being assembled is hoisted to the corresponding position by a crane.
The adjacent first assembling section 3 of the anchored prefabricated bent cap and the second assembling section 10 of the anchored prefabricated bent cap realize the anchoring connection of the assembling sections of the adjacent bent cap through the anchoring prestress rope 5, and the bending steel bars 8 arranged in each bulge in the assembling sections are used for improving the bending resistance of the assembling sections.
Meanwhile, considering the gaps of the toothed blocks of the assembled sections, after the prestressed cables 5 fix the assembled sections of the two adjacent prefabricated bent caps, the high-performance self-compaction mortar 7 is injected into the gaps of the protrusions and the grooves.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (6)
1. An anchored prefabricated assembled bent cap, comprising: the prefabricated bent cap of first section (2) and prefabricated bent cap of second section (6), the one end of prefabricated bent cap of first section (2) is equipped with first splice, the one end of prefabricated bent cap of second section (6) is equipped with second splice, first splice with second splice concatenation, first splice with second splice passes through anchor rigid coupling, first splice with splice's splice department is equipped with bonding portion.
2. An anchored prefabricated assembled bent cap according to claim 1, wherein: the first splicing part comprises an anchoring type prefabricated bent cap first splicing section (3), the anchoring type prefabricated bent cap first splicing section (3) is a continuous bending bulge, and the anchoring type prefabricated bent cap first splicing section (3) is spliced with the second splicing part.
3. An anchored prefabricated assembled bent cap according to claim 2, wherein: the second splice includes that prefabricated bent cap second of anchor formula is assembled section (10), prefabricated bent cap second of anchor formula is assembled section (10) for the recess of buckling in succession, the arch of prefabricated bent cap first section of assembling (3) with the recess phase-match of section (10) is assembled to prefabricated bent cap second of anchor formula, prefabricated bent cap first of anchor formula assemble section (3) with prefabricated bent cap second of anchor formula is assembled section (10) and is assembled, the splice set up in prefabricated bent cap first of anchor formula assemble section (3) with the seam of section (10) is assembled to prefabricated bent cap second of anchor formula.
4. An anchored prefabricated assembled bent cap according to claim 3, wherein: the bonding part comprises high-performance self-compaction mortar (7), and the high-performance self-compaction mortar (7) is filled at the joint of the first assembly section (3) of the anchored prefabricated bent cap and the second assembly section (10) of the anchored prefabricated bent cap.
5. An anchored prefabricated assembled bent cap according to claim 3, wherein: the anchoring part comprises an intervention stress cable (5), the top end of the pre-stress cable (5) is fixedly connected to the top of the first assembly section (3) of the anchoring type precast bent cap through a pre-stress cable fixed end anchor (4), the pre-stress cable (5) penetrates through the first assembly section (3) of the anchoring type precast bent cap and the second assembly section (10) of the anchoring type precast bent cap, and the bottom of the pre-stress cable (5) is fixedly connected with the bottom of the first assembly section (3) of the anchoring type precast bent cap through a pre-stress cable tensioning end anchor (9);
The straight line where the prestressed cable (5) is located is vertical to the space of the splicing direction of the first section of prefabricated bent cap (2) and the first splicing section (3) of the anchored prefabricated bent cap.
6. An anchored prefabricated assembled bent cap according to claim 3, wherein: the bending steel bars (8) are embedded in the protruding portions of the first assembling section (3) and the protruding portions of the second assembling section (10) of the anchoring type prefabricated bent cap, and the bending steel bars (8) are used for improving the strength of the protruding portions of the first assembling section (3) and the protruding portions of the second assembling section (10) of the anchoring type prefabricated bent cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323176804.0U CN221142446U (en) | 2023-11-24 | 2023-11-24 | Anchor type prefabricated assembled bent cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323176804.0U CN221142446U (en) | 2023-11-24 | 2023-11-24 | Anchor type prefabricated assembled bent cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221142446U true CN221142446U (en) | 2024-06-14 |
Family
ID=91383572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323176804.0U Active CN221142446U (en) | 2023-11-24 | 2023-11-24 | Anchor type prefabricated assembled bent cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221142446U (en) |
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2023
- 2023-11-24 CN CN202323176804.0U patent/CN221142446U/en active Active
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