CN214613609U - Side span cast-in-situ section support - Google Patents
Side span cast-in-situ section support Download PDFInfo
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- CN214613609U CN214613609U CN202022746334.7U CN202022746334U CN214613609U CN 214613609 U CN214613609 U CN 214613609U CN 202022746334 U CN202022746334 U CN 202022746334U CN 214613609 U CN214613609 U CN 214613609U
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Abstract
The utility model discloses a cast-in-place section support of boundary stride, include the cushion cap and locate the pier on the cushion cap, the top surface of cushion cap is fixed with one row of load frame in one side of pier, one side of load frame is hung out from one side of cushion cap, the end of hanging out of load frame is equipped with first steel stand, the top surface bearing of cushion cap has second steel stand, second steel stand is located between pier and the first steel stand, be equipped with the connecting piece between first steel stand and the second steel stand, be equipped with between second steel stand and the cushion cap and attach the wall spare, each first steel stand and second steel stand support jointly and have the die carrier that is used for pouring the cast-in-place section of boundary stride, the top of pier is equipped with the bent cap, die carrier and bent cap fixed connection. The side span cast-in-place section support has the advantages of stable structure, convenience in construction and low cost.
Description
Technical Field
The utility model relates to an equipment technical field who erects or assemble the bridge is exclusively used in, especially relates to a cast-in-place section support of sidespan.
Background
With the development of railways and highways, structures such as continuous beams and continuous steel structures are widely adopted, floor type supports and pier-side brackets are mostly adopted during construction of the side span cast-in-place section, but after the side span cast-in-place section exceeds 5m, a large bending moment is generated at the bottom of a pier column by utilizing the pier-side brackets, and the main structure is not favorable. When the support falls to the ground, pile foundations and expanded foundations are generally adopted at the bottom of the support during construction, but the pile foundations are high in manufacturing cost and the expanded foundations are difficult to control in settlement on soft foundation foundations; after the height of the pier exceeds 20m, the length-to-fineness ratio of the pier column is large, and the stability is difficult to control.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a cast-in-place section support of sidespan stable in structure, construction convenience and with low costs.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a cast-in-place section support of side span, includes the cushion cap and locates the pier on the cushion cap, the top surface of cushion cap is fixed with one row of bearing frame in one side of pier, the one end of bearing frame is hung out from one side of cushion cap, the end of hanging of bearing frame is equipped with first steel stand, the top surface bearing of cushion cap has second steel stand, second steel stand is located between pier and the first steel stand, be equipped with the connecting piece between first steel stand and the second steel stand, be equipped with between second steel stand and the cushion cap and attach the wall spare, each first steel stand and second steel stand support jointly and have the die carrier that is used for pouring the cast-in-place section of side span, the top of pier is equipped with the bent cap, die carrier and bent cap fixed connection.
As a further improvement of the above technical solution:
the distance between the second steel upright columns and the bridge pier is 135cm, at least two second steel upright columns are arranged, and the distance between every two adjacent second steel upright columns is 200 cm.
The bearing frame comprises a plurality of first longitudinal distribution beams, a plurality of first transverse distribution beams and a bracket, one end of each first longitudinal distribution beam is fixed on the bearing platform, the other end of each first longitudinal distribution beam is suspended from one side of the bearing platform, the first transverse distribution beams are arranged on the suspended end of each first longitudinal distribution beam, the first steel upright posts are supported on the first transverse distribution beams, and one end of the bracket is fixed on the side surface of the bearing platform, and the other end of the bracket is supported at the bottom of the suspended end of the first longitudinal distribution beams.
The top surface of the bearing platform is provided with a base plate, and the middle part of the first longitudinal distribution beam is supported on the base plate.
The side of the bearing platform is provided with a first embedded part, and the bracket is fixed on the first embedded part.
The first longitudinal distribution beam is fixed on the bearing platform through a threaded steel bar.
The ratio of the distance between the twisted steel bar and the base plate to the distance between the first steel upright post and the base plate is 0.8-1.25.
And sand boxes are arranged at the tops of the first steel upright post and the second steel upright post, and the mold frame is supported on each sand box.
The formwork comprises a plurality of second longitudinal distribution beams supported on the respective sand boxes and fixedly connected to the capping beams, a plurality of second transverse distribution beams supported on the respective second longitudinal distribution beams, and a formwork system supported on the respective second transverse distribution beams.
And a second embedded part is arranged on the bent cap, and the second longitudinal distribution beam is fixedly connected with the second embedded part.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a cast-in-place section support of boundary span, include the cushion cap and locate the pier on the cushion cap, the top surface of cushion cap is fixed with one row of load frame in one side of pier, one side overhang of one side of cushion cap is followed to the one end of load frame, the overhang end of load frame is equipped with first steel stand, the top surface bearing of cushion cap has second steel stand, second steel stand is located between pier and the first steel stand, be equipped with the connecting piece between first steel stand and the second steel stand, be equipped with between second steel stand and the cushion cap and attach wall spare, each first steel stand and second steel stand support jointly and have the die carrier that is used for pouring the cast-in-place section of boundary span, the top of pier is equipped with the bent cap, die carrier and bent cap fixed connection. The die carrier is supported on the bearing platform through the first steel stand column and the second steel stand column, so that the structural stability is improved, the connecting piece is arranged between the first steel stand column and the second steel stand column, the wall attaching piece is arranged between the second steel stand column and the bearing platform, and the die carrier is fixedly connected with the cover beam, so that the bearing platform, the bridge pier, the first steel stand column, the second steel stand column and the die carrier form a fixed whole, and the structure is more stable; the first steel stand is hung out through the bearing frame and is set up in the outside of cushion cap, satisfies construction requirement and construction convenience, strengthens the bulk rigidity through above measure, makes the second steel stand share partial first steel stand axle power. The side span cast-in-place section support has the advantages of stable structure, convenience in construction and low cost.
Drawings
Fig. 1 is the main view structure schematic diagram of the side-span cast-in-place section bracket of the utility model.
Figure 2 is the side view structure schematic diagram of the side-span cast-in-place section bracket of the utility model.
Fig. 3 is a schematic view of the structure of the side-span cast-in-place section of the present invention.
Fig. 4 is a partial schematic view of fig. 1.
Fig. 5 is a partial schematic view of fig. 2.
Fig. 6 is an enlarged view at a in fig. 2.
The reference numerals in the figures denote:
1. a bearing platform; 12. a base plate; 13. a first embedded part; 2. a bridge pier; 21. a capping beam; 22. a second embedded part; 3. a bearing frame; 31. a first longitudinal distribution beam; 32. a first transverse distribution beam; 33. a bracket; 34. twisted steel bars; 4. a first steel upright; 41. a sand box; 5. a second steel upright; 6. a connecting member; 7. a wall attachment member; 8. side span cast-in-place section; 9. a mold frame; 91. a second longitudinal distribution beam; 92. a second transverse distribution beam; 93. a template system.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
Fig. 1 to 6 show the utility model discloses cast-in-place section support is striden on limit, this cast-in-place section support is striden on limit includes cushion cap 1 and locates pier 2 on the cushion cap 1, the top surface of cushion cap 1 is fixed with one row of bearing frame 3 in one side of pier 2, one side of bearing frame 1 is hung out from one side of cushion cap 1 to the one end of bearing frame 3, the end of hanging out of bearing frame 3 is equipped with first steel stand 4, the top surface bearing of cushion cap 1 has second steel stand 5, second steel stand 5 is located between pier 2 and the first steel stand 4, be equipped with connecting piece 6 between first steel stand 4 and the second steel stand 5, be equipped with between second steel stand 5 and the cushion cap 1 and attach wall spare 7, each first steel stand 4 and second steel stand 5 support jointly have the die carrier 9 that is used for pouring cast-in-place section 8 on limit, the top of pier 2 is equipped with bent cap 21, 9 and bent cap 21 fixed connection. The die carrier 9 is supported on the bearing platform 1 through the first steel upright post 4 and the second steel upright post 5, the structural stability is improved, the connecting piece 6 is arranged between the first steel upright post 4 and the second steel upright post 5, the wall attaching piece 7 is arranged between the second steel upright post 5 and the bearing platform 1, and the die carrier 9 is fixedly connected with the cover beam 21, so that the bearing platform 1, the pier 2, the first steel upright post 4, the second steel upright post 5 and the die carrier 9 form a fixed whole, and the structure is more stable; the first steel upright post 4 is suspended outside the bearing platform 1 through the bearing frame 3, construction requirements are met, construction is convenient, overall rigidity is enhanced through the measures, and the second steel upright post 5 shares part of axial force of the first steel upright post 4. The side span cast-in-place section support has the advantages of stable structure, convenience in construction and low cost.
In this embodiment, the distance between the second steel upright post 5 and the pier 2 is 135cm, at least two second steel upright posts 5 are arranged, and the distance between every two adjacent second steel upright posts 5 is 200 cm. The side span cast-in-place section support of the structure has the advantages of more stable structure and stronger supporting capability.
In this embodiment, as shown in fig. 2, 4 and 5, the carrier 3 includes a plurality of first longitudinal distribution beams 31, a plurality of first transverse distribution beams 32 and a bracket 33, one end of each first longitudinal distribution beam 31 is fixed on the bearing platform 1, and the other end thereof is suspended from one side of the bearing platform 1, the first transverse distribution beams 32 are disposed on the suspended ends of the first longitudinal distribution beams 31, the first steel upright 4 is supported on each first transverse distribution beam 32, and one end of the bracket 33 is fixed on the side surface of the bearing platform 1, and the other end thereof is supported at the bottom of the suspended end of the first longitudinal distribution beams 31. The bracket 33 is fully utilized, the foundation settlement is reduced, the bottom of the overhanging end of each first longitudinal distribution beam 31 is supported on the side surface of the bearing platform 1 through the bracket 33, and the stress is balanced.
In this embodiment, as shown in fig. 4, the top surface of the platform 1 is provided with a backing plate 12, and the middle portion of the first longitudinal distribution beam 31 is supported on the backing plate 12. The backing plate 12 increases the contact area of the first longitudinal distribution beam 31 with the bearing platform 1, and prevents the concrete on the bearing platform 1 from being crushed.
In this embodiment, as shown in fig. 1 and 4, the first embedded parts 13 are provided on the side surfaces of the bearing platform 1, and the corbels 33 are fixed to the first embedded parts 13. The first embedded parts 13 are embedded in concrete of the bearing platform 1 when the bearing platform 1 is poured, and the bottom ends of the brackets 33 are welded or fixed on the first embedded parts 13 through bolts, so that the installation is convenient.
In this embodiment, as shown in fig. 4, the first longitudinal distribution beam 31 is fixed on the bearing platform 1 through the twisted steel 34, so that the structure is stable and the installation is convenient.
In this embodiment, the ratio of the distance between the twisted steel bar 34 and the backing plate 12 to the distance between the first steel upright 4 and the backing plate 12 is 0.8 to 1.25. As shown in fig. 1, 2 and 6, the flasks 41 are provided on the tops of the first steel upright 4 and the second steel upright 5, and the mold frame 9 is supported on each flask 41.
In this embodiment, as shown in fig. 1 and 2, the mold frame 9 includes a plurality of second longitudinal distribution beams 91, a plurality of second transverse distribution beams 92, and a pattern plate system 93, the second longitudinal distribution beams 91 being supported on the corresponding flasks 41 and fixedly connected to the cover beams 21, the second transverse distribution beams 92 being supported on the respective second longitudinal distribution beams 91, and the pattern plate system 93 being supported on the respective second transverse distribution beams 92. The bent cap 21 is provided with a second embedded part 22, and the second longitudinal distribution beam 91 is fixedly connected with the second embedded part 22.
Specifically, a row of second steel columns 5 is arranged on the top surface of a bearing platform 1, a row of first steel columns 4 is arranged outside the bearing platform 1, the first steel columns 4 outside the bearing platform 1 are supported on brackets 33 on the side surface of the bearing platform 1, a first transverse distribution beam 32 and a first longitudinal distribution beam 31 which are arranged on the top of the bearing platform 1, the first longitudinal distribution beam 31 on the top of the bearing platform 1 is solidified through pre-buried finish-rolled threaded steel bars 34, a base plate 12 (steel panel) is arranged close to the side of the bearing platform 1, and concrete of the bearing platform 1 is prevented from being crushed; a plurality of connecting pieces 6 are arranged between the first steel upright post 4 and the second steel upright post 5, and a wall attaching piece 7 is arranged between the second steel upright post 5 and the pier 2; and a second longitudinal distribution beam 91 and a second transverse distribution beam 92 are arranged at the tops of the first steel upright 4 and the second steel upright 5, wherein the second longitudinal distribution beam 91 is connected with a second embedded part 22 embedded on the cover beam 21. The first transverse distribution beam is arranged 32 on a first longitudinal distribution beam 31 at the top of the bearing platform 1, the first longitudinal distribution beam 31 at the top of the bearing platform 1 is supported and anchored by a bracket 33 and an embedded finish rolling threaded steel bar 34, and a base plate 12 is arranged at the side close to the bearing platform 1; four connecting systems are arranged between the first steel upright post 4 and the second steel upright post 5 through double-spliced 20-type steel, so that the first steel upright post 4 and the second steel upright post 5 are uniformly stressed, and a wall attaching piece 7 is arranged between the second steel upright post 5 and the pier 2; and after the first steel upright post 4 and the second steel upright post 5 are installed, the sand box 41, the second longitudinal distribution beam 91, the second transverse distribution beam 92 and the template system 93 are sequentially installed, after the installation, the second longitudinal distribution beam 91 is connected with the second embedded part 22 on the cover beam 21, and then the concrete of the side span cast-in-place section 8 is poured. The method comprises the steps of installing a first embedded part 13 at a designed position before pouring of a bearing platform 1, then welding a bracket 33 on the first embedded part 13, then welding a hanging end of a first longitudinal distribution beam 31 at the top of the bearing platform 1 and the top end of the bracket 33, and connecting the other end of the first longitudinal distribution beam with a threaded steel bar 34 through a bolt. The first longitudinal distribution beam 31 is fixed through a twisted steel 34 pre-buried in the bearing platform 1, a backing plate 12 is laid at a position 20cm away from the side of the bearing platform 1, a first transverse distribution beam 32 is arranged at the overhanging end of the first longitudinal distribution beam 31, the first transverse distribution beam 32 is used for supporting the first steel upright post 4, and stiffening plates are arranged at all stress concentration positions of the first longitudinal distribution beam 31 and the first transverse distribution beam 32. The first longitudinal distribution beam 31 is installed by placing the backing plate 12 at a designed position in advance to prevent the concrete at the edge of the platform 1 from being crushed. The overhanging end of the first longitudinal distribution beam 31 is provided with a first transverse distribution beam 32 corresponding to the position of the first steel upright 4, and then the first steel upright 4 is provided. The twisted steel 34 is pre-embedded before the concrete of the bearing platform 1 is poured. The second longitudinal distribution beam 91 and the bent cap 21 are fixed through a second embedded part 22; a wall attaching piece 7 is arranged between the second steel upright post 5 and the pier 2 for connection; a plurality of connecting pieces 6 are arranged between the first steel upright columns 4 and the second steel upright columns 5, and two connecting pieces 6 are also arranged between each row of the first steel upright columns 4; through the measures, the overall rigidity is enhanced, and the second steel upright post 5 shares part of the axial force of the first steel upright post 4. The second embedded parts 22 are embedded in advance before the cover beam 21 is poured, and the second longitudinal distribution beam 91 is welded and connected with the second embedded parts 22 after being installed. The top parts of the first steel upright post 4 and the second steel upright post 5 are respectively provided with a sand box 41, the sand box 41 is provided with a second longitudinal distribution beam 91, the second longitudinal distribution beam 91 is provided with a second transverse distribution beam 92, the second transverse distribution beam 92 is provided with a template system 93 for pouring the concrete of the side-span cast-in-place section 8, and after the design requirements are met, the sand box 41 is adjusted to dismantle the support from top to bottom. After all the components are installed and pre-pressed, pouring concrete in the side span cast-in-place section 8, then sequentially removing the formwork system 93, the second transverse distribution beam 92, the second longitudinal distribution beam 91, the sand box 41, the first steel upright post 4, the second steel upright post 5, the connecting piece 6 and the lower components from top to bottom, and brushing mortar after removing embedded parts on the bearing platform 1 and the cover beam 21 to ensure durability.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a cast-in-place section support of side span which characterized in that: comprises a bearing platform (1) and a pier (2) arranged on the bearing platform (1), wherein a row of bearing frames (3) are fixed on one side of the pier (2) on the top surface of the bearing platform (1), one ends of the bearing frames (3) are suspended out from one side of the bearing platform (1), first steel columns (4) are arranged at the suspended ends of the bearing frames (3), second steel columns (5) are supported on the top surface of the bearing platform (1), the second steel columns (5) are arranged between the pier (2) and the first steel columns (4), connecting pieces (6) are arranged between the first steel columns (4) and the second steel columns (5), wall attaching pieces (7) are arranged between the second steel columns (5) and the bearing platform (1), the first steel columns (4) and the second steel columns (5) jointly support a formwork (9) for pouring a side-span cast-in-place section (8), and cover beams (21) are arranged at the top of the pier (2), the die carrier (9) is fixedly connected with the cover beam (21).
2. The side-span cast-in-place section support frame of claim 1, wherein: the distance between the second steel upright columns (5) and the pier (2) is 135cm, at least two second steel upright columns (5) are arranged, and the distance between every two adjacent second steel upright columns (5) is 200 cm.
3. The side-span cast-in-place section support frame of claim 1, wherein: bearing frame (3) include many first vertical distribution roof beam (31), many first horizontal distribution roof beam (32) and bracket (33), the one end of first vertical distribution roof beam (31) is fixed on cushion cap (1), the other end hangs out from one side of cushion cap (1), on the end of hanging out of each first vertical distribution roof beam (31) is located in first horizontal distribution roof beam (32), first steel column (4) bearing is on each first horizontal distribution roof beam (32), the one end of bracket (33) is fixed and is supported in the bottom of first vertical distribution roof beam (31) end of hanging out in the side of cushion cap (1), the other end.
4. The side-span cast-in-place section support frame of claim 3, wherein: the top surface of the bearing platform (1) is provided with a backing plate (12), and the middle part of the first longitudinal distribution beam (31) is supported on the backing plate (12).
5. The side-span cast-in-place section support frame of claim 3, wherein: the side surface of the bearing platform (1) is provided with a first embedded part (13), and the bracket (33) is fixed on the first embedded part (13).
6. The sidespan cast-in-place section support according to claim 4, wherein: the first longitudinal distribution beam (31) is fixed on the bearing platform (1) through a threaded steel bar (34).
7. The side-span cast-in-place section support frame of claim 6, wherein: the ratio of the distance between the twisted steel bar (34) and the backing plate (12) to the distance between the first steel upright (4) and the backing plate (12) is 0.8-1.25.
8. The sidespan cast-in-place section support according to any one of claims 1 to 7, wherein: and sand boxes (41) are arranged at the tops of the first steel upright post (4) and the second steel upright post (5), and the mold frame (9) is supported on each sand box (41).
9. The sidespan cast-in-place section support according to claim 8, wherein: the mould frame (9) comprises a plurality of second longitudinal distribution beams (91), a plurality of second transverse distribution beams (92) and a template system (93), wherein the second longitudinal distribution beams (91) are supported on the corresponding sand boxes (41) and are fixedly connected with the cover beams (21), the second transverse distribution beams (92) are supported on the second longitudinal distribution beams (91), and the template system (93) is supported on the second transverse distribution beams (92).
10. The sidespan cast-in-place section support according to claim 9, wherein: and a second embedded part (22) is arranged on the bent cap (21), and the second longitudinal distribution beam (91) is fixedly connected with the second embedded part (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022746334.7U CN214613609U (en) | 2020-11-24 | 2020-11-24 | Side span cast-in-situ section support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022746334.7U CN214613609U (en) | 2020-11-24 | 2020-11-24 | Side span cast-in-situ section support |
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| Publication Number | Publication Date |
|---|---|
| CN214613609U true CN214613609U (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022746334.7U Active CN214613609U (en) | 2020-11-24 | 2020-11-24 | Side span cast-in-situ section support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855625A (en) * | 2022-05-20 | 2022-08-05 | 中铁三局集团华东建设有限公司 | Cast-in-place section support basis back pressure structure of roof beam is irritated to overhang |
-
2020
- 2020-11-24 CN CN202022746334.7U patent/CN214613609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855625A (en) * | 2022-05-20 | 2022-08-05 | 中铁三局集团华东建设有限公司 | Cast-in-place section support basis back pressure structure of roof beam is irritated to overhang |
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