CN114370007A - Steel diaphragm beam small-radius curve beam bridge assembling construction template and construction method - Google Patents
Steel diaphragm beam small-radius curve beam bridge assembling construction template and construction method Download PDFInfo
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- CN114370007A CN114370007A CN202210180233.9A CN202210180233A CN114370007A CN 114370007 A CN114370007 A CN 114370007A CN 202210180233 A CN202210180233 A CN 202210180233A CN 114370007 A CN114370007 A CN 114370007A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 59
- 239000010959 steel Substances 0.000 title claims abstract description 59
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000009415 formwork Methods 0.000 claims description 13
- 238000011161 development Methods 0.000 claims description 12
- 230000018109 developmental process Effects 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The invention discloses a steel diaphragm beam small-radius curve beam bridge assembly construction template and a construction method, the template comprises a beam template and a dynamic fine-tuning beam-end template, the dynamic fine-tuning beam-end template is matched with two ends inside the beam template, the beam length and the beam-end corner can be changed by adjusting the position of the dynamic fine-tuning beam-end template inside the beam template and the angle formed by the dynamic fine-tuning beam-end template and the beam template, the dynamic fine-tuning beam-end template comprises a bottom plate, an adjustable plate structure arranged outside the bottom plate and a sealing structure arranged outside the adjustable plate structure, the bottom plate, the adjustable plate structure and the sealing structure are sequentially overlapped from inside to outside, the adjustment of the whole size of the dynamic fine-tuning beam-end template is realized by adjusting the outward extending distance of the adjustable plate structure, and the sealing structure is arranged at the corner of the beam template to prevent concrete from overflowing during pouring. The invention solves the problems of different lengths of the inner beam and the outer beam of the curve of the curved beam and the change of the corner of the beam end, reduces the construction difficulty and improves the construction efficiency.
Description
Technical Field
The invention belongs to the technical field of bridge assembly construction, and particularly relates to a steel diaphragm beam small-radius curve bridge assembly construction template and a construction method.
Background
The concrete assembled beam bridge is widely applied to various engineering constructions at home and abroad, but the construction mode of erecting the template and pouring the beam on site has high construction difficulty and complicated template arrangement. Especially, for curved beams, because the lengths of the inner and outer beams are different and the corners of the beam ends are different, a plurality of sets of templates are required during prefabrication, but the oblique crossing angle of the templates is set incorrectly, so that the phenomenon of chiseling the prefabricated section of the beam is still rare, and the development of rapid high-quality intelligent assembly construction of a beam bridge is severely restricted.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a steel diaphragm beam small-radius curve beam bridge assembling construction template and a construction method.
In order to achieve the purpose, the following technical scheme is provided:
the utility model provides a template is built in assembly of steel diaphragm roof beam minor radius curve beam bridge, includes beam template and developments fine setting beam-ends template, and the inside both ends of beam template are located to developments fine setting beam-ends template agrees with, and the change of beam length and beam-ends corner is realized with the angle that developments fine setting beam-ends template and beam template become through the inside position of adjustment developments fine setting beam-ends template at beam template and developments fine setting beam-ends template.
Further, developments fine setting beam-ends template includes the bottom plate, locate the adjustable plate structure in the bottom plate outside and locate the seal structure in the adjustable plate structure outside, and bottom plate, adjustable plate structure and seal structure overlap from inside to outside in proper order, through the distance that the adjustable plate structure of adjustment outwards extends, realize the regulation of the whole size of developments fine setting beam-ends template, and the corner department of beam-ends template is located to seal structure, and the concrete spills over when preventing to pour.
Further, adjustable plate structure includes first expansion plate, second expansion plate and third expansion plate, and the upper end of second expansion plate touches with the lower extreme of first expansion plate mutually, and the lower extreme of second expansion plate touches with the upper end of third expansion plate, realizes the adjustment of the width of dynamic fine setting beam-ends template different positions through adjusting the distance that first expansion plate, second expansion plate and third expansion plate extend to both sides respectively.
Further, first expansion plate, second expansion plate and third expansion plate include the connecting rod respectively and locate the connecting plate at connecting rod both ends, through the length of adjusting the connecting rod in order to adjust the distance between the connecting plate at connecting rod both ends.
Furthermore, the connecting rod include threaded rod and be used for connecting the connecting piece of both sides threaded rod, the one end and the connecting piece threaded connection of threaded rod, the other end is connected with the connecting plate.
Further, the sliding groove has been seted up to the lateral surface that bottom plate and adjustable plate structure overlapped, and the through-hole has been seted up to the centre of bottom plate, and the medial surface of the connecting plate of adjustable plate structure is equipped with the draw runner, and the draw runner is mutually supported with the sliding groove, and when connecting rod length adjustment, the inside and outside removal of draw runner in the sliding groove restricts the process of removing, prevents the aversion from top to bottom taking place.
Further, the sealing structure comprises an upper sealing structure and a lower sealing structure, the upper sealing structure comprises a hanging plate and an upper baffle plate, the upper baffle plate is positioned at the upper corner of the beam template, the side edge of the upper baffle plate is contacted with the beam template, the inner surface of the upper baffle plate is overlapped with the first expansion plate and the second expansion plate, one end of the hanging plate is of a hook structure and is hung at the upper ends of the first expansion plate and the bottom plate, the other end of the hanging plate is hinged with the upper baffle plate, the hanging plate can slide back and forth along the first expansion plate, the upper baffle plate can rotate around the hinged point, the lower sealing structure comprises a lower baffle plate and a telescopic supporting rod, the structure of the telescopic supporting rod is the same as that of a connecting rod, the lower baffle plate is positioned at the lower corner of the beam template, the side edge of the lower baffle plate is contacted with the beam template, the inner surface of the lower baffle plate is overlapped with the second expansion plate and the third expansion plate, the lower baffle plate is hinged with the third expansion plate, the telescopic supporting rod is used for supporting the lower baffle plate, and the upper baffle plate are preferably triangular plate, the upper baffle plate rotates under the action of gravity until the side edge is contacted with the inner side of the beam template, and the lower baffle plate adjusts the position of the lower baffle plate through the telescopic support rod until the side edge is contacted with the inner side of the beam template.
And furthermore, before the concrete girder is constructed and poured, a reinforcement cage is arranged between the beam template and the dynamic fine-tuning beam end template, and an embedded steel plate used for connecting the beam template is embedded between the reinforcement cage and the beam template.
Further, when the connected steel diaphragm beam is a three-point type steel diaphragm beam, the installation position of the embedded steel plate between the adjacent beam templates conforms to the following formula:
the difference value of the two ends of the relative embedded steel plates at different sides in the same beam template in the horizontal direction is as follows:
the difference value of the horizontal directions of the two ends of the embedded steel plates in the adjacent beam templates is as follows:
in the formula, h represents the width, b represents the distance between the steel diaphragm beam templates, and thetai represents the included angle between the radius of the curved beam and the position of the embedded steel plate;
in the formula (d)iAnd the distance between the embedded steel plate and the center of the outermost beam template is shown, R represents the radius of the curved beam, and alpha represents the central angle corresponding to the curved beam.
A construction method for assembling and constructing a template of a small-radius curve beam bridge of a steel diaphragm beam comprises the following steps:
1) arranging an embedded steel plate on the inner wall of the beam template, and then putting a reinforcement cage in the beam template for connection;
2) connecting the first expansion plate, the second expansion plate and the third expansion plate with the bottom plate in an overlapping manner, matching the slide bar with the sliding groove, and adjusting the length of the connecting rod according to the width of the beam template to enable the side edge of the adjusted dynamic fine-tuning beam-end template to be in contact with the inner side of the beam template;
3) according to the length of the beam and the size of the beam end corner required by construction, the adjusted dynamic fine-tuning beam end template is arranged at the beam end of the beam template and is set to be a proper position and angle;
4) hanging the hanging plate with the upper sealing structure on a connecting plate and a bottom plate of the first expansion plate, enabling the upper baffle plate to rotate downwards under the action of gravity until the side edge of the upper baffle plate is contacted with the inner side of the beam template, enabling the lower baffle plate to be hinged with the connecting plate of the third expansion plate, supporting the telescopic stay bar below the lower baffle plate, adjusting the length of the telescopic stay bar until the side edge of the lower baffle plate is contacted with the inner side of the beam template, completing the installation of the dynamic fine-tuning beam end template, and then performing concrete pouring on the beam template;
5) the precast beams are connected with each other by steel transverse partition beams.
Compared with the prior art, the invention has the beneficial effects that:
1) the method limits the length of the beam and the size of the beam end corner by adopting a mode of dynamically finely adjusting the beam end templates to be arranged at the two ends of the beam templates, can solve the problems of different lengths of the inner beam and the outer beam of a curve beam curve and change of the beam end corner, greatly reduces the construction difficulty and improves the construction efficiency;
2) the invention realizes the connection between the beams by adopting the connection mode of the steel diaphragm beam and the embedded steel plate without additionally arranging a reserved hole, and has simple and convenient construction and high efficiency.
Drawings
FIG. 1 is a schematic view of the dynamic trimming beam end form assembly of the present invention;
FIG. 2 is a schematic perspective view of a dynamic trimming beam-end template according to the present invention;
FIG. 3 is a schematic perspective view of a base plate according to the present invention;
FIG. 4 is a schematic perspective view of the dynamic trimming beam-end form of the present invention with the bottom plate removed;
FIG. 5 is a schematic perspective view of the present invention;
FIG. 6 is a schematic view of an installation structure of the embedded steel plate according to the present invention;
FIG. 7 is a schematic diagram illustrating calculation of the installation position of the embedded steel plate according to the present invention;
FIG. 8 is a schematic perspective view of a connecting rod of the present invention;
fig. 9 is a schematic view of a connection relationship between the embedded steel plate and the steel beam when the steel beam is at three points.
In the figure: 1. a beam template; 2. dynamically fine-adjusting the beam end template; 21. a base plate; 22. an adjustable plate structure; 221. a first expansion plate; 222. a second expansion plate; 223. a third expansion plate; 224. a connecting rod; 2241. a threaded rod; 2242. a connecting member; 225. a connecting plate; 23. a sealing structure; 231. an upper sealing structure; 232. a lower sealing structure; 2311. hanging the plate; 2312. an upper baffle plate; 2321. a lower baffle plate; 2322. a telescopic stay bar; 3. and (6) pre-burying a steel plate.
Detailed Description
The invention will be further described with reference to the drawings attached to the description, but the scope of the invention is not limited thereto.
As shown in fig. 1 to 4, the dynamic fine tuning beam-end formwork 2 is i-shaped, and includes a bottom plate 21, an adjustable plate structure 22 and a sealing structure 23, the adjustable plate structure 22 is disposed on an outer side of the bottom plate 21 and overlapped with the bottom plate 21, a sliding groove is disposed on an outer side surface of the bottom plate 21 overlapped with the adjustable plate structure 22, a through hole is disposed in a middle of the bottom plate 21, a sliding strip is disposed on an inner side surface of a connecting plate 225 of the adjustable plate structure 22, the sliding strip is matched with the sliding groove, the adjustable plate structure 22 includes a first expansion plate 221, a second expansion plate 222 and a third expansion plate 223, an upper end of the second expansion plate 222 contacts with a lower end of the first expansion plate 221, a lower end of the second expansion plate 222 contacts with an upper end of the third expansion plate 223, the first expansion plate 221, the second expansion plate 222 and the third expansion plate 223 respectively include a connecting rod 224 and connecting plates 225 disposed at two ends of the connecting rod 224, as shown in fig. 8, the connecting rod 224 includes two threaded rods 2241 and a connecting member 2242 for connecting the threaded rods 2241 at both sides, one end of the threaded rod 2241 is in threaded connection with the connecting member 2242, the other end is connected with the connecting plate 225, the length of the connecting rod 224 is adjusted by adjusting the threaded connection position of the threaded rod 2241 and the connecting member 2242, thereby adjusting the distance between the connecting plate 225 and the connecting plate 225, the sealing structure 23 is disposed at the outer side of the adjustable plate structure 22 and partially overlapped with the adjustable plate structure 22, the sealing structure 23 includes an upper sealing structure 231 and a lower sealing structure 232, the upper sealing structure 231 includes a hanging plate 2311 and an upper baffle 2312, the upper baffle 2312 is located at the upper corner of the beam form 1, the upper baffle 2312 in the figure is selected to be triangular, the side edge is in contact with the beam form 1 and the inner surface is partially overlapped with the first and second telescopic plates 221 and 222, one end of the hanging plate 2311 is a hook structure and is hung on the upper ends of the first and the bottom plate 221 and the bottom plate 21, the other end of the hanging plate 2311 is hinged to the upper baffle 2312, the hanging plate 2311 can slide along the first telescopic plate 221, the upper baffle 2312 can rotate around a hinged point, the lower sealing structure 232 comprises a lower baffle 2321 and a telescopic stay bar 2322, the telescopic stay bar 2322 is structurally the same as the connecting rod 224, the lower baffle 2321 is located at a lower corner of the beam formwork 1, the lower baffle 2321 in the figure is triangular, the side edge of the lower baffle 2321 is in contact with the beam formwork 1, the inner surface of the lower baffle 2321 is partially overlapped with the second telescopic plate 222 and the third telescopic plate 223, the lower baffle 2321 is hinged to the third telescopic plate 223, and the telescopic stay bar 2322 is used for supporting the lower baffle 2321.
As shown in fig. 5 and 6, the template for assembling and building the small-radius curve beam bridge of the steel diaphragm beam comprises a beam template 1 and dynamic fine-tuning beam-end templates 2 matched with two ends inside the beam template 1, changes of the beam length and the beam-end corner are realized by adjusting the position of the dynamic fine-tuning beam-end templates 2 inside the beam template 1 and the angle formed by the dynamic fine-tuning beam-end templates 2 and the beam template 1, the problems of different lengths of inner and outer beams of the curve beam and changes of the beam-end corner are solved, before the concrete girder is cast, a reinforcement cage is arranged between the beam template 1 and the dynamic fine-tuning beam-end templates 2, and an embedded steel plate 3 used for connecting the beam template 1 is embedded between the reinforcement cage and the beam template 1.
As shown in fig. 7 and 9, when the beam-to-beam connection adopts a three-point steel beam, the installation position of the embedded steel plates 3 of the adjacent beam formworks 1 conforms to the following formula:
the difference value of the horizontal directions of the two ends of the opposite embedded steel plates 3 at different sides in the same beam template 1 is as follows:
the difference value of the horizontal directions of the two ends of the embedded steel plates 3 in the adjacent beam templates 1 is as follows:
wherein h represents the width, b represents the distance between the steel diaphragm beam formworks 1, and thetaiRepresenting the included angle between the radius of the curved beam and the position of the embedded steel plate 3;
in the formula (d)iThe distance between the embedded steel plate 3 and the center of the outermost beam template 1 is shown, R represents the radius of the curved beam, and alpha represents the central angle corresponding to the curved beam.
A construction method for assembling and constructing a template of a small-radius curve beam bridge of a steel diaphragm beam comprises the following steps:
1) arranging an embedded steel plate 3 on the inner wall of the beam template 1, and then putting a reinforcement cage in the beam template 1 for connection;
2) connecting the first expansion plate 221, the second expansion plate 222 and the third expansion plate 223 with the bottom plate 21 in an overlapping manner, matching the slide bar with the sliding groove, and adjusting the length of the connecting rod 224 according to the width of the beam template 1 to enable the side edge of the adjusted dynamic fine-tuning beam-end template 2 to be in contact with the inner side of the beam template 1;
3) according to the length of the beam and the size of the beam end corner required by construction, the adjusted dynamic fine-tuning beam end template 2 is arranged at the beam end of the beam template 1 and is set to be at a proper position and angle; 4) hanging the hanging plate 2311 of the upper sealing structure 231 on the connecting plate 225 of the first expansion plate 221 and the bottom plate 21, enabling the upper baffle 2312 to rotate downwards under the action of gravity until the side edge of the upper baffle 2312 is contacted with the inner side of the beam formwork 1, hinging the lower baffle 2321 with the connecting plate 225 of the third expansion plate 223, supporting the telescopic stay 2322 below the lower baffle 2321, adjusting the length of the telescopic stay 2322 until the side edge of the lower baffle 2321 is contacted with the inner side of the beam formwork 1, completing the installation of the dynamic fine-adjustment beam-end formwork 2, and then pouring concrete into the beam formwork 1;
5) the precast beams are connected with each other by steel transverse partition beams.
Claims (10)
1. The utility model provides a template is built in assembly of steel diaphragm roof beam minor radius curve beam bridge which characterized in that, includes beam template (1) and developments fine setting beam-ends template (2), and inside both ends in beam template (1) are agreed with in developments fine setting beam-ends template (2), finely tunes the angle that beam-ends template (2) and beam template (1) become in order to realize the change of beam length and beam-ends corner through adjusting the position of developments fine setting beam-ends template (2) in beam template (1) inside and developments.
2. The assembling and building template for the small-radius curve beam bridge with the steel diaphragm beams as claimed in claim 1, wherein the dynamic fine-tuning beam-end template (2) comprises a bottom plate (21), an adjustable plate structure (22) arranged on the outer side of the bottom plate (21) and a sealing structure (23) arranged on the outer side of the adjustable plate structure (22), the bottom plate (21), the adjustable plate structure (22) and the sealing structure (23) are sequentially overlapped from inside to outside, the adjustment of the whole size of the dynamic fine-tuning beam-end template (2) is realized by adjusting the outward extending distance of the adjustable plate structure (22), and the sealing structure (23) is arranged at the corner of the beam template (1) to prevent concrete from overflowing during pouring.
3. The assembling and building template for the steel diaphragm girder small-radius curved beam bridge as claimed in claim 2, wherein the adjustable plate structure (22) comprises a first expansion plate (221), a second expansion plate (222) and a third expansion plate (223), the upper end of the second expansion plate (222) is in contact with the lower end of the first expansion plate (221), the lower end of the second expansion plate (222) is in contact with the upper end of the third expansion plate (223), and the adjustment of the widths of the different positions of the beam end template (2) is dynamically fine-tuned by adjusting the distance that the first expansion plate (221), the second expansion plate (222) and the third expansion plate (223) extend towards two sides, respectively.
4. The assembling and constructing formwork for a small-radius curved girder bridge with steel diaphragm girders according to claim 3, wherein the first expansion plate (221), the second expansion plate (222) and the third expansion plate (223) respectively comprise a connecting rod (224) and connecting plates (225) disposed at both ends of the connecting rod (224), and the distance between the connecting plates (225) at both ends of the connecting rod (224) is adjusted by adjusting the length of the connecting rod (224).
5. The erection module of a small-radius curved beam bridge of a steel diaphragm girder as claimed in claim 4, wherein said connecting bar (224) includes a threaded bar (2241) and a connecting member (2242) for connecting the threaded bars (2241) at both sides, one end of the threaded bar (2241) is threadedly connected to the connecting member (2242), and the other end is connected to the connecting plate (225).
6. The assembling and building template for the small-radius curved beam bridge with the steel diaphragm beams as claimed in claim 5, wherein the outer side surface of the bottom plate (21) overlapped with the adjustable plate structure (22) is provided with a sliding groove, the middle of the bottom plate (21) is provided with a through hole, the inner side surface of the connecting plate (225) of the adjustable plate structure (22) is provided with a sliding strip, and the sliding strip and the sliding groove are matched with each other.
7. The assembling and constructing template for the small radius curve beam bridge of the steel diaphragm beam as claimed in claim 6, wherein the sealing structure (23) comprises an upper sealing structure (231) and a lower sealing structure (232), the upper sealing structure (231) comprises a hanging plate (2311) and an upper baffle plate (2312), the upper baffle plate (2312) is located at the upper corner of the beam template (1), the side edge of the upper baffle plate is in contact with the beam template (1) and the inner surface of the upper baffle plate is partially overlapped with the first expansion plate (221) and the second expansion plate (222), one end of the hanging plate (2311) is a hook structure and is hung at the upper end of the first expansion plate (221) and the bottom plate (21), the other end of the hanging plate (2311) is hinged with the upper baffle plate (2312), the upper baffle plate (2312) can rotate around the hinged point, the lower sealing structure (232) comprises a lower baffle plate (2321) and a telescopic brace rod (2322), the structure of the telescopic brace rod (2322) is the same as that of the connecting rod (224), the lower baffle (2321) is located the lower corner of the beam template (1), the side edge is contacted with the beam template (1), the inner surface is partially overlapped with the second expansion plate (222) and the third expansion plate (223), the lower baffle (2321) is hinged with the third expansion plate (223), and the telescopic support rod (2322) is used for supporting the lower baffle (2321).
8. The assembling construction template of the steel transverse beam small-radius curve beam bridge as claimed in claim 1, characterized in that a reinforcement cage is arranged between the beam template (1) and the dynamic fine-tuning beam end template (2) before the concrete main beam is constructed and poured, and an embedded steel plate (3) for connecting the beam template (1) is embedded between the reinforcement cage and the beam template (1).
9. The assembling construction formwork for a small radius curved beam bridge of a steel diaphragm beam according to claim 8, wherein when the connected steel diaphragm beam is a three-point type steel diaphragm beam, the installation position of the embedded steel plate (3) between the adjacent beam formworks (1) conforms to the following formula:
the difference value of the two ends of the relative embedded steel plates (3) at different sides in the same beam template (1) in the horizontal direction is as follows:
the difference value of the horizontal directions of the two ends of the embedded steel plates (3) in the adjacent beam templates (1) is as follows:
wherein h represents the width, b represents the distance between the steel diaphragm beam templates (1), and thetaiRepresenting the included angle between the radius of the curved beam and the position of the embedded steel plate (3);
in the formula (d)iThe distance between the embedded steel plate (3) and the center of the outermost beam template (1) is shown, R represents the radius of the curved beam, and alpha represents the central angle corresponding to the curved beam.
10. A construction method for assembling and constructing the formwork of the steel diaphragm girder small radius curve girder bridge according to claim 7, comprising the steps of:
1) arranging an embedded steel plate (3) on the inner wall of the beam template (1), and then putting a reinforcement cage in the beam template (1) for connection;
2) overlapping and connecting a first expansion plate (221), a second expansion plate (222) and a third expansion plate (223) with a bottom plate (21), matching a sliding strip with a sliding groove, and adjusting the length of a connecting rod (224) according to the width of a beam template (1) to enable the side edge of the adjusted dynamic fine-tuning beam end template (2) to be in contact with the inner side of the beam template (1);
3) according to the length of the beam and the size of the beam end corner required by construction, the adjusted dynamic fine-tuning beam end template (2) is arranged at the beam end of the beam template (1) and is set to be a proper position and angle;
4) hanging a hanging plate (2311) of an upper sealing structure (231) on a connecting plate (225) and a bottom plate (21) of a first expansion plate (221), enabling an upper baffle plate (2312) to rotate downwards due to the action of gravity until the side edge of the upper baffle plate (2312) is contacted with the inner side of a beam template (1), hinging a lower baffle plate (2321) with the connecting plate (225) of a third expansion plate (223), supporting a telescopic support rod (2322) below the lower baffle plate (2321), adjusting the length of the telescopic support rod (2322) until the side edge of the lower baffle plate (2321) is contacted with the inner side of the beam template (1), completing the installation of a dynamic fine adjustment beam end template (2), and then carrying out concrete pouring on the beam template (1);
5) the precast beams are connected with each other by steel transverse partition beams.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210180233.9A CN114370007B (en) | 2022-02-25 | 2022-02-25 | Steel diaphragm small-radius curve beam bridge assembly construction template and construction method |
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| CN114370007B CN114370007B (en) | 2024-02-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953122A (en) * | 2022-06-20 | 2022-08-30 | 中交一公局西南工程有限公司 | Cast-in-place multi-functional concatenation mould of small radius curve beam bridge |
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| CN215052161U (en) * | 2021-03-25 | 2021-12-07 | 中国土木工程集团有限公司 | Adjustable T-beam end die plate |
| CN113914230A (en) * | 2021-11-23 | 2022-01-11 | 中国二十二冶集团有限公司 | Formwork erecting tool for end of diagonal box girder in bridge engineering construction site and using method |
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| CN114953122A (en) * | 2022-06-20 | 2022-08-30 | 中交一公局西南工程有限公司 | Cast-in-place multi-functional concatenation mould of small radius curve beam bridge |
| CN114953122B (en) * | 2022-06-20 | 2023-12-15 | 中交一公局西南工程有限公司 | Cast-in-situ multifunctional splicing die for small-radius curved beam bridge |
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