CN215441490U - Cast-in-place construction formwork support frame of single-column pier bent cap - Google Patents
Cast-in-place construction formwork support frame of single-column pier bent cap Download PDFInfo
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- CN215441490U CN215441490U CN202122043364.6U CN202122043364U CN215441490U CN 215441490 U CN215441490 U CN 215441490U CN 202122043364 U CN202122043364 U CN 202122043364U CN 215441490 U CN215441490 U CN 215441490U
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Abstract
The utility model discloses a support frame for a capping beam cast-in-place construction template of a single-column pier, which is characterized in that a bearing hoop and a shearing-resistant bracket are respectively arranged at the set height position of the pier, a dumping block is arranged on the shearing-resistant bracket, a bearing beam is transversely placed on the dumping block in the bridge direction, and an oblique support rod is arranged between the bearing beam and the bearing hoop to enable the bearing beam to form multi-point stress; and a transverse distribution beam is arranged on the bearing beam and is perpendicular to the bearing beam, a longitudinal distribution beam is arranged on the transverse distribution beam and is perpendicular to the transverse distribution beam, and a concrete bent cap cast-in-place template system is arranged at the top of the longitudinal distribution beam. According to the utility model, the load of the bent cap structure and the construction load are transferred to the pier through the bearing anchor ear and the shearing-resistant bracket, so that a non-floor type support is formed, the construction tooling level can be effectively improved, and the construction cost and the construction safety risk are reduced.
Description
Technical Field
The utility model relates to the technical field of single-column pier capping beam cast-in-place construction, in particular to a single-column pier capping beam cast-in-place construction formwork support frame.
Background
In order to better utilize land resources and make more space for ground traffic, some bridges adopt the structure of a single-column bridge and a cantilever capping beam in design. For the construction of the cast-in-place of the capping beam of the single-column pier, a full-hall type support or a pier beam type support is adopted for supporting a template in the prior art, but the two support modes either need to treat and harden a foundation or need to construct a strip foundation, so that the construction cost is increased; meanwhile, in the setting of the full-hall type support, the higher the support is, the higher the safety risk is, and the worse the economy is; and pier beam formula support is to the pier stud of co-altitude not, and its height control degree of difficulty is big, and the material drops into much and is difficult to the turnover, has more increased construction cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides the support frame for the capping beam cast-in-place construction formwork of the single-column pier, which improves the construction tooling level, facilitates the formation of large-scale flow construction and reduces the construction cost and the safety risk by utilizing the stress of the pier structure, without the need of an additional construction support foundation and without the limitation of the pier height.
The utility model adopts the following technical scheme for solving the technical problems:
the structure of the support frame for the cover beam cast-in-place construction formwork of the single-column pier is characterized in that: respectively installing a bearing hoop and a shearing-resistant bracket at a set height position of a pier, arranging a dumping block on the shearing-resistant bracket, transversely arranging a bearing beam on the dumping block in a bridge direction, and arranging an oblique support rod between the bearing beam and the bearing hoop to enable the bearing beam to form multi-point stress; and a transverse distribution beam is arranged on the bearing beam and is perpendicular to the bearing beam, a longitudinal distribution beam is arranged on the transverse distribution beam and is perpendicular to the transverse distribution beam, and a concrete cover beam cast-in-place template system is arranged at the top of the longitudinal distribution beam.
The structure of the support frame for the single-column pier capping beam cast-in-place construction formwork is also characterized in that: the bearing beams are divided at the front side and the rear side of the bridge pier, correspondingly arranged bearing hoops and shearing-resistant brackets are equally divided at the front side and the rear side of the bridge pier, pull rods are arranged between the bearing beams at the front side and the rear side, and the bearing beams at the front side and the rear side are fixedly connected into a whole by the pull rods.
The structure of the support frame for the single-column pier capping beam cast-in-place construction formwork is also characterized in that: aiming at the inclined supporting rods which are respectively arranged at the front side and the rear side of the bridge pier, a cross brace is arranged between two inclined supporting rods at opposite positions.
The structure of the support frame for the single-column pier capping beam cast-in-place construction formwork is also characterized in that: aiming at the shearing-resistant corbels which are respectively arranged at the front side and the rear side of the pier, a pair of shearing-resistant corbels at opposite positions are fixed by finish-rolled deformed steel bars in a counter-pulling mode.
The structure of the support frame for the single-column pier capping beam cast-in-place construction formwork is also characterized in that: the inner side of the bearing anchor ear is pasted with a rubber layer.
The structure of the support frame for the single-column pier capping beam cast-in-place construction formwork is also characterized in that: and protective railings are arranged around the longitudinal distribution beam.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model transmits the load of the capping beam structure and the construction load to the pier through the bearing anchor ear and the shearing-resistant bracket, thereby forming the non-floor type single-column pier capping beam cast-in-situ construction formwork support frame which does not need additional construction support foundation and is not limited by the pier height.
2. The utility model can effectively improve the construction tooling level, is convenient to form large-scale flow construction, and reduces the construction cost and the safety risk.
Drawings
FIG. 1 is a schematic elevation view of a structure of the present invention;
FIG. 2 is a schematic view of the present invention.
Reference numbers in the figures: the concrete cover beam cast-in-place formwork system comprises a pier 1, a force bearing hoop 2, a shear-resistant bracket 3, a dumping block 4, a bearing beam 5, a support rod 6, a transverse distribution beam 7, a longitudinal distribution beam 8, a pull rod 9, a protective railing 10, a cross brace 11 and a concrete cover beam 12.
Detailed Description
Referring to fig. 1 and 2, in the support frame of the cast-in-place construction formwork for the capping beam of the single-column pier in the embodiment, a bearing hoop 2 and a shearing-resistant corbel 3 are respectively installed at a set height position of the pier 1, a dumping block 4 is arranged on the shearing-resistant corbel 3, a bearing beam 5 is transversely placed on the dumping block 4 in the bridge direction, and an oblique support rod 6 is arranged between the bearing beam 5 and the bearing hoop 2 to enable the bearing beam 5 to form multi-point stress; and (3) placing a transverse distribution beam 7 on the bearing beam 5 and perpendicular to the bearing beam 5, then placing a longitudinal distribution beam 8 on the transverse distribution beam 7 and perpendicular to the transverse distribution beam 7, and finally arranging a concrete cover beam cast-in-place formwork system 12 on the top of the longitudinal distribution beam 8.
In this embodiment, the corresponding technical measures also include: as shown in fig. 2, two bearing beams 5 are provided, the two bearing beams 5 are respectively positioned at the front side and the rear side of the pier 1, and correspondingly arranged bearing hoops 2 and anti-shearing brackets 3 are respectively positioned at the front side and the rear side of the pier 1; in order to integrate the bearing beams 5 on both sides of the pier 1, a pull rod 9 is arranged between the bearing beams 5 on the front side and the rear side, and the bearing beams 5 on the front side and the rear side are fixedly connected into an integrated structure by the pull rod 9; in order to ensure the lateral stability of the diagonal braces 6, for the diagonal braces 6 which are respectively positioned at the front side and the rear side of the pier 1, a cross brace 11 is arranged between two diagonal braces 6 at opposite positions; aiming at the shearing-resistant brackets 3 positioned on the front side and the rear side of the pier 1, a pair of shearing-resistant brackets 3 at opposite positions are fixed by finish-rolled deformed steel bars in a counter-pulling way; in order to ensure the safety of construction operation, guard rails 10 are arranged around the longitudinal distribution beam 8.
During construction: embedding an anchoring hole and a notch of a shear-resistant bracket 3 when constructing the pier 1, installing a force-bearing hoop 2 and the shear-resistant bracket 3 at a set height position of the pier 1 after the pier 1 is constructed, wherein the force-bearing hoop 2 is formed by assembling and welding steel plates and is screwed and fixed on the pier 1 through bolts, a rubber layer is attached to the inner side of the force-bearing hoop 2 in order to enhance the friction force between the force-bearing hoop 2 and the pier 1, and a connecting end of an inclined support rod 6 is reserved on the force-bearing hoop 2; the shear-resistant bracket 3 is also formed by assembling and welding steel plates, passes through a hole reserved in advance by finish rolling deformed steel bars, is fixed on the pier 1 in a counter-pulling manner and applies prestress; the falling block 4 arranged on the shearing-resistant bracket 3 is used for facilitating the falling of the bracket; the bearing beam 5 can be made of I-shaped steel or H-shaped steel, stiffening plates are welded at the web plate at the joint of the bearing beam 5 and the oblique support rod 6 as well as the unloading block 4 to prevent the bearing beam 5 from locally buckling, and the connecting end of the oblique support rod 6 is reserved on the bearing beam 5; the bearing beam 5 is arranged between the bearing beam 5 and the connecting end of the inclined support rod 6 reserved on the bearing hoop 2 to form multipoint stress, and the inclined support rod and the cross brace can be made of channel steel; the protective railing 10 takes channel steel as a stand column and steel pipes as transverse handrails, and a concrete cover beam cast-in-place template system is arranged at the top of the longitudinal distribution beam 8 to complete the erection of a template support frame; before the cast-in-place construction of the bent cap, the formwork support frame needs to be pre-pressed according to design and standard requirements, the support frame can be used after the support frame is pre-pressed to be qualified, the support frame needs to be measured and monitored in the whole process in the cast-in-place construction process of the bent cap, and the support frame is ensured to be used safely.
Claims (6)
1. The utility model provides a cast-in-place construction formwork support frame of single-column pier bent cap, characterized by: respectively installing a bearing hoop (2) and a shearing-resistant corbel (3) at a set height position of a pier (1), arranging a dumping block (4) on the shearing-resistant corbel (3), transversely placing a bearing beam (5) on the dumping block (4), and arranging an oblique support rod (6) between the bearing beam (5) and the bearing hoop (2) to enable the bearing beam (5) to form multi-point stress; and a transverse distribution beam (7) is arranged on the bearing beam (5) and is vertical to the bearing beam (5), a longitudinal distribution beam (8) is arranged on the transverse distribution beam (7) and is vertical to the transverse distribution beam (7), and a concrete cover beam cast-in-place template system is arranged at the top of the longitudinal distribution beam (8).
2. The support frame for the single-column pier capping beam cast-in-place construction formwork of claim 1, which is characterized in that: the bearing beam (5) has twice, and twice bearing beam (5) divide and locate both sides around pier (1), and corresponding load hoop (2) that set up and shearing bracket (3) divide equally to be in both sides around pier (1), set up pull rod (9) between bearing beam (5) of front and back both sides, by pull rod (9) with front and back both sides bearing beam (5) fixed connection as whole.
3. The support frame for the single-column pier capping beam cast-in-place construction formwork of claim 2, which is characterized in that: aiming at the inclined supporting rods (6) which are respectively arranged at the front side and the rear side of the bridge pier (1), a cross brace (11) is arranged between the two inclined supporting rods (6) at the opposite positions.
4. The support frame for the single-column pier capping beam cast-in-place construction formwork of claim 2, which is characterized in that: aiming at the shearing-resistant corbels (3) which are respectively positioned at the front side and the rear side of the pier (1), a pair of shearing-resistant corbels (3) at opposite positions are fixed by finish-rolled deformed steel bars in a counter-pulling way.
5. The support frame for the single-column pier capping beam cast-in-place construction formwork of claim 1, which is characterized in that: a rubber layer is adhered to the inner side of the bearing anchor ear (2).
6. The support frame for the single-column pier capping beam cast-in-place construction formwork of claim 1, which is characterized in that: and protective railings (10) are arranged around the longitudinal distribution beam (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122043364.6U CN215441490U (en) | 2021-08-27 | 2021-08-27 | Cast-in-place construction formwork support frame of single-column pier bent cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122043364.6U CN215441490U (en) | 2021-08-27 | 2021-08-27 | Cast-in-place construction formwork support frame of single-column pier bent cap |
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| Publication Number | Publication Date |
|---|---|
| CN215441490U true CN215441490U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122043364.6U Active CN215441490U (en) | 2021-08-27 | 2021-08-27 | Cast-in-place construction formwork support frame of single-column pier bent cap |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922072A (en) * | 2022-05-16 | 2022-08-19 | 中铁十一局集团有限公司 | Thin-wall tower limb large-span cross beam support and mounting method thereof |
-
2021
- 2021-08-27 CN CN202122043364.6U patent/CN215441490U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922072A (en) * | 2022-05-16 | 2022-08-19 | 中铁十一局集团有限公司 | Thin-wall tower limb large-span cross beam support and mounting method thereof |
| CN114922072B (en) * | 2022-05-16 | 2024-05-14 | 中铁十一局集团有限公司 | Thin-wall tower limb long-span beam bracket and mounting method thereof |
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