CN210975550U - Formwork support for capping construction by adopting beret frame - Google Patents
Formwork support for capping construction by adopting beret frame Download PDFInfo
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- CN210975550U CN210975550U CN201920683363.8U CN201920683363U CN210975550U CN 210975550 U CN210975550 U CN 210975550U CN 201920683363 U CN201920683363 U CN 201920683363U CN 210975550 U CN210975550 U CN 210975550U
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Abstract
The utility model discloses an adopt beret frame to carry out formwork support of bent cap construction, relate to formwork support technical field, including the bearing support, the die block, the bent cap side form, the bearing support includes the third girder, the third auxiliary beam, the bracing piece, the bearing support still includes beret frame, beret frame sets up in third girder top, the equidistant setting of third auxiliary beam corresponds bent cap position department above beret frame, the third auxiliary beam is placed with third girder parallel, the bracing piece is equidistant to be set up above the third auxiliary beam, the die block sets up above the bracing piece, the die block includes the center section that is located the crossbeam top, center section both ends extend outwards in proper order have dog-ear section and cantilever section, center section and cantilever section top surface are the horizontal plane, the top surface of center end is higher than the top surface of cantilever section, the top surface of dog-ear section is the inclined plane of connecting center section and cantilever section; the utility model discloses be provided with bailey frame under the bent cap die block, simple structure, the transportation is convenient, erects fast, has improved formwork bearing capacity, reduces processing period.
Description
Technical Field
The utility model relates to a formwork technical field, concretely relates to adopt beret frame to carry out formwork of bent cap construction.
Background
With the development of social economy, automobiles gradually enter families, so that the contradiction between the dramatic increase of social vehicle reserves and the limited urban space is increasingly prominent, traffic jam becomes a normal state, and the development of urban traffic to high altitude or underground is a necessary trend. Under the condition that buildings around roads are dense and streets are difficult to widen, the viaduct can be used for dredging the traffic density and improving the transportation efficiency. At present, in large-scale cities in China, viaducts are formed in a large scale, the ever-increasing traffic pressure is still difficult to relieve, and the viaducts tend to develop towards multiple layers.
By adopting the construction form of 'main line elevated frame + bottom surface auxiliary road', the viaduct is constructed by common rails together, the double-layer bridges are integrally arranged, the upper layer is a road bridge, and the lower layer is a track interval bridge, so that the traffic pressure can be effectively relieved. The common construction method adopts a formwork support structure which is complex in structure, long in erection time and low in efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an adopt beret frame to carry out formwork of bent cap construction, on current formwork frame, be provided with beret frame under the bent cap die block, simple structure, the transportation is convenient, erects fast, has improved formwork bearing capacity greatly, reduces processing period.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an adopt beret frame to carry out formwork of bent cap construction, includes bearing support, die block, bent cap side form, bearing support include third girder, the vice roof beam of third, bracing piece, its characterized in that: the bearing support still include bailey frame, bailey frame set up third girder top, the equidistant setting of third auxiliary beam be in bailey frame top correspond bent cap position department, the third auxiliary beam with third girder parallel placement, bracing piece equidistant set up third auxiliary beam top, the die block setting be in bracing piece top, the die block is including the center section that is located the crossbeam top, center section both ends outwards extend in proper order have dog-ear section and cantilever section, center section with cantilever section top surface be the horizontal plane, the top surface of center end be higher than the top surface of cantilever section, the top surface of dog-ear section be for connecting the center section with the inclined plane of cantilever section.
In the above technical solution, preferably, the bailey frames are single-layer five-row 321-type bailey piece combined frames.
In the above technical scheme, preferably, the bailey frames are provided with vertical reinforcing rods at equal intervals, and the reinforcing rods are 8# I-shaped steel.
In the above technical scheme, preferably, an upper channel steel perpendicular to the third secondary beam is arranged below the central section and the cantilever section, a triangular section tripod is arranged below the angular section, and the upper channel steel is a 10# channel steel.
In the above technical scheme, preferably, the bottom die is made of square wood and high-quality bamboo plywood.
In the above technical solution, preferably, the load-bearing support further includes a steel pipe frame, a side beam, a side channel, a lower channel, and a side beam support rod, the third main beam is disposed above the steel pipe frame and vertically disposed with the cross beam, the side beam is disposed above the third sub beam and corresponds to a position where the tilt column is connected to the cover beam and a position where the auxiliary column is connected to the cover beam, the side beam is disposed perpendicular to the third sub beam, the support rod is connected to the third sub beam through the lower channel, the lower channel is perpendicular to the third sub beam, the side beam support rods are disposed above the side beam at equal intervals, the side beam support rod is connected to the side beam through the side channel, and the side channel is perpendicular to the side beam.
In the above technical scheme, preferably, the third main beam is a double-spliced 32# b i-steel, the third secondary beam is a single 40# b i-steel, the distance between the third secondary beams is 600mm, the side beams are single 32# b i-steels, the side channel is a 16# channel steel, and the lower channel is a 16# channel steel.
Compared with the prior art, the beneficial effects of the utility model are that: on the existing formwork support, the bailey frame is arranged below the cover beam bottom die, the structure is simple, the transportation is convenient, the erection is quick, the bearing capacity of the formwork support is greatly improved, and the processing period is shortened.
Drawings
Fig. 1 is an overall front view of the present invention;
fig. 2 is an overall plan view of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 1;
fig. 4 is a sectional view taken along line B-B in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description.
As shown in fig. 1 to 4, the utility model discloses an adopt beret frame to carry out formwork of bent cap construction, including bearing support 1, die block 2, bent cap side form 3, bearing support 1 include third girder 4, third auxiliary girder 5, bracing piece 6, its characterized in that: bearing support 1 still include bailey frame 7, bailey frame 7 set up third girder 4 top, third auxiliary girder 5 equidistant setting be in bailey frame 7 top correspond bent cap position department, third auxiliary girder 5 with third girder 4 parallel placement, bracing piece 6 equidistant set up third auxiliary girder 5 top, die block 2 set up bracing piece 6 top, die block 2 is including the center section 8 that is located the crossbeam top, 8 both ends in center section outwards extend in proper order have dog-ear section 9 and cantilever section 10, center section 8 with cantilever section 10 top surface be the horizontal plane, center end 8 the top surface be higher than cantilever section 10 the top surface, the top surface of dog-ear section 9 be for connecting center section 8 with cantilever section 10's inclined plane. The bailey frames 7 are single-layer five-row 321-type bailey sheet combined frames, vertical reinforcing rods 11 are arranged on the bailey frames 7 at equal intervals, and the reinforcing rods 11 are 8# I-shaped steel. The center section 8 of die block 2 and cantilever section 10 below be provided with the perpendicular last channel-section steel 12 of third auxiliary beam 5, last channel-section steel 12 be 10# channel-section steel, dog-ear section 9 below be provided with dog-ear section tripod 13. The bottom die 2 adopt square timber 14 and high-quality bamboo plywood 15, square timber 14 equidistant place the dog-ear section tripod 13 with last channel-section steel 12 top, square timber 14 with third girder 4 place perpendicularly. The load-bearing support 1 further comprises a steel pipe frame 16, a side beam 17, a side channel 19, a lower channel 18 and a side beam support rod 20, wherein the third main beam 4 is arranged above the steel pipe frame 16 and is vertically placed with the cross beam, the side beam 17 is arranged above the third auxiliary beam 5 and corresponds to the position where the inclined upright column is connected with the cover beam and the position where the auxiliary upright column is connected with the cover beam, the side beam 17 is vertically placed with the third auxiliary beam 5, the support rod 6 is connected with the third auxiliary beam 5 through the lower channel 18, the lower channel 18 is vertical to the third auxiliary beam 5, the side beam support rods 20 are arranged above the side beam 17 at equal intervals, the side beam support rod 20 is connected with the side beam 17 through the side channel 19, and the side channel 19 is vertical to the side beam 17. The third main beam 4 is a double-spliced 32# b I-steel, the third auxiliary beam 5 is a single 40# b I-steel, the distance between the third auxiliary beams 5 is 600mm, the side beam 17 is a single 32# b I-steel, the side channel steel 19 is a 16# channel steel, and the lower channel steel 18 is a 16# channel steel.
Continuously overlapping and erecting steel pipe frames 16 on the lower layer of foundation to the height corresponding to the capping beam, symmetrically distributing two rows of six rows of steel pipe frames 16 below the capping beam, symmetrically placing two third main beams 4 vertical to the cross beam above each group of steel pipe frames 16, placing a Bailey frame 7 above the third main beams 4, and placing a plurality of third auxiliary beams 5 parallel to the third main beams 4 at equal intervals at the positions corresponding to the capping beams above the Bailey frames 7; two side beams 17 perpendicular to the third secondary beam 5 are symmetrically arranged above the third secondary beam 5 corresponding to the connection position of the inclined upright post and the bent cap and the connection position of the auxiliary upright post and the bent cap, so that the interference to the inclined upright post and the auxiliary upright post is avoided; a plurality of support rods 6 connected through lower channel steel 18 are erected above each third auxiliary beam 5 at equal intervals, and the lower channel steel 18 positioned at the bottom of each support rod 6 is vertical to the third auxiliary beam 5; a plurality of support rods 6 connected through side channel steel 19 are erected above each side beam 17 at equal intervals, and the side channel steel 19 positioned at the bottom of each support rod 6 is vertical to the side beam 17; a bottom die 2 of the bent cap is erected above the support rod 6, and then a reinforcement cage of the bent cap is integrally hoisted; and installing the side die of the capping beam and then pouring concrete.
The method is characterized in that the worst working condition is taken for checking the load of the pier column formwork, the height of a main upright column is 5.5m, the size of a cross beam is 7.76m × 2.5m × 2.5.5 m, the size of an inclined upright column is 8.6m × 1.3.3 m × 2.5.5 m, and the size of a bent cap is 50.72m × 3.25.25 m × 2.2.2 m.
And (3) establishing a formwork support calculation model of the bent cap by adopting Midas Civil software, loading corresponding static load Q concrete, Q1 and live load Q2, and respectively carrying out structural stress analysis on the Bailey frames, the third auxiliary beam and the steel pipe frame. The results were: the maximum bending stress of the third secondary beam is 138.9MPa, and the maximum shearing stress is 18 MPa; the maximum bending moment of the Bailey truss is 241.5MPa, and the maximum shearing force is 217 kN; the maximum bending stress of the steel pipe frame is 173.7MPa, and the maximum shearing stress is 11.1 MPa; the vertical displacement value of the formwork of the cover beam is 2.87 mm. The first-order buckling characteristic value of the formwork support of the cover beam is 26.1 during construction, the first-order buckling characteristic value is greater than 4 of the specification requirement, and the stability meets the requirement.
It is to be understood that while the specification has been described in terms of embodiments, each embodiment is not intended to represent a separate embodiment, but rather such descriptions are merely for purposes of clarity and form further embodiments as will be appreciated by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides an adopt beret frame to carry out formwork of bent cap construction, includes bearing support, die block, bent cap side form, bearing support include third girder, the vice roof beam of third, bracing piece, its characterized in that: the bearing support still include bailey frame, bailey frame set up third girder top, the equidistant setting of third auxiliary beam be in bailey frame top correspond bent cap position department, the third auxiliary beam with third girder parallel placement, bracing piece equidistant set up third auxiliary beam top, the die block setting be in bracing piece top, the die block is including the center section that is located the crossbeam top, center section both ends outwards extend in proper order have dog-ear section and cantilever section, center section with cantilever section top surface be the horizontal plane, the top surface of center end be higher than the top surface of cantilever section, the top surface of dog-ear section be for connecting the center section with the inclined plane of cantilever section.
2. The formwork support frame for capping beam construction by adopting a beret frame as claimed in claim 1, wherein: the bailey frames are single-layer five-row 321-type bailey sheet combined frames.
3. The formwork support frame for capping beam construction by adopting a beret frame as claimed in claim 1, wherein: the bailey frames are provided with vertical reinforcing rods at equal intervals, and the reinforcing rods are 8# I-shaped steel.
4. The formwork support frame for capping beam construction by adopting a beret frame as claimed in claim 1, wherein: and an upper channel steel which is vertical to the third secondary beam is arranged below the central section and the cantilever section, a corner section tripod is arranged below the corner section, and the upper channel steel is a 10# channel steel.
5. The formwork support frame for capping beam construction by adopting a beret frame as claimed in claim 1, wherein: the bottom die adopts square wood and high-quality bamboo plywood.
6. The formwork support frame for capping beam construction by adopting a beret frame as claimed in claim 1, wherein: the bearing support further comprises a steel pipe frame, a side beam, side channel steel, a lower channel steel and side beam supporting rods, wherein the third main beam is arranged above the steel pipe frame and is vertically arranged with the cross beam, the side beam is arranged above the third auxiliary beam and corresponds to the position where an inclined upright post is connected with a cover beam and the position where an auxiliary upright post is connected with the cover beam, the side beam is perpendicular to the third auxiliary beam, the third auxiliary beam is arranged, the supporting rods are connected with the third auxiliary beam through the lower channel steel, the lower channel steel is perpendicular to the third auxiliary beam, the side beam supporting rods are equidistantly arranged above the side beam, the side beam supporting rods are connected with the side beam through the side channel steel, and the side channel steel is perpendicular to the side beam.
7. The formwork support frame for capping beam construction by adopting a beret frame as claimed in claim 6, wherein: the third girder be the double-pin 32# b I-steel, the third auxiliary girder be single 40# b I-steel, the interval between the third auxiliary girder be 600mm, the curb girder be single 32# b I-steel, the side channel-section steel be 16# channel-section steel, lower channel-section steel be 16# channel-section steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920683363.8U CN210975550U (en) | 2019-05-14 | 2019-05-14 | Formwork support for capping construction by adopting beret frame |
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| CN201920683363.8U CN210975550U (en) | 2019-05-14 | 2019-05-14 | Formwork support for capping construction by adopting beret frame |
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| CN210975550U true CN210975550U (en) | 2020-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117569208A (en) * | 2023-11-22 | 2024-02-20 | 青岛巨源建工集团有限公司 | A cover beam support system and construction method |
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2019
- 2019-05-14 CN CN201920683363.8U patent/CN210975550U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117569208A (en) * | 2023-11-22 | 2024-02-20 | 青岛巨源建工集团有限公司 | A cover beam support system and construction method |
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