CN216566604U - Connecting structure of cantilever support and flange template of steel-concrete composite beam - Google Patents
Connecting structure of cantilever support and flange template of steel-concrete composite beam Download PDFInfo
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- CN216566604U CN216566604U CN202120786083.7U CN202120786083U CN216566604U CN 216566604 U CN216566604 U CN 216566604U CN 202120786083 U CN202120786083 U CN 202120786083U CN 216566604 U CN216566604 U CN 216566604U
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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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/293—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being steel and concrete
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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
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/268—Composite concrete-metal
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- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
The utility model belongs to the technical field of the template, in particular to steel-concrete composite beam cantilever support and edge of a wing template's connection structure as concrete bridge panel's supporting construction, along bottom plate length direction equipartition multiunit otic placode in the outside of the web of steel box girder. Steel structural support's upper portion is connected with the steel box girder, and steel structural support's lower part is connected with the bar basis, and cantilever passes through the otic placode to be connected in the both sides of steel box girder, lays edge of a wing template at cantilever upper end, and edge of a wing template includes the square timber that two-layer vertically and horizontally staggered laid, lays the bamboo plywood on two-layer square timber upper strata. The structure has the advantages of less occupied land, low requirement on the field, capability of vehicles running simultaneously during construction, basically no non-elastic deformation, capability of saving part of construction period and good construction economy. The method is simple and easy to operate, large-scale hoisting equipment is not needed to be matched, part of construction period can be saved, and construction economy is good.
Description
Technical Field
The application belongs to the technical field of templates, in particular to a connection structure of a cantilever support and a flange template of a steel-concrete composite beam.
Background
Steel-concrete composite girders have been increasingly widely used in overpasses and building structures, and are being developed in the direction of large spans. The application practice of the steel-concrete composite beam in China shows that the steel-concrete composite beam has the advantages of a steel structure and a concrete structure, the concrete part of the steel-concrete composite beam is usually poured by using conventional methods such as a scaffold, but the problem of insufficient clearance under the condition that the steel-concrete composite beam is close to the existing bridge exists. When installing cantilever, install after carrying out trompil processing to the steel box girder, there is the great problem of later stage restoration work load.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a connection structure of steel-concrete composite beam cantilever support and edge of a wing template to solve or alleviate the problem that exists among the above-mentioned prior art.
In order to achieve the above purpose, the present application provides the following technical solutions:
the application provides a connection structure of steel-concrete composite beam cantilever and edge of a wing template as the supporting construction of concrete bridge panel, includes:
steel box girder, steel box girder includes:
the bottom plate is a rectangular plate;
the webs are vertically arranged on two sides of the bottom plate in the width direction;
and a plurality of groups of lug plates are uniformly distributed on the outer side of the web plate along the length direction of the bottom plate.
Steel structure support, steel structure support's upper portion and steel case roof beam are connected, and steel structure support's lower part and bar foundation are connected, and steel structure support includes:
the steel tube comprises a plurality of groups of steel tubes arranged along the length direction of the steel box girder, wherein each group of steel tubes comprises two steel tubes correspondingly arranged along the width direction of the steel box girder;
the support cross-linking is along two vertical arrangements first support cross-linking between arbitrary two adjacent steel pipes, is equipped with the second support cross-linking that the slope was arranged between two first support cross-linking, and the both ends that the second supported the cross-linking are connected with upper and lower two first support cross-linking respectively, and two first support cross-linking and second support cross-linking form the steel structure support of "Z" font between the steel pipe.
The cantilever support is an angle frame type support and is connected to the two sides of the steel box girder through the lug plates.
The flange template is laid on the upper end face of the cantilever support and comprises two layers of criss-cross square wood, and a bamboo plywood is laid on the upper layers of the two layers of square wood.
Preferably, each set of outriggers comprises: the connecting bracket comprises a first connecting bracket, a second connecting bracket and a third connecting bracket which are connected through an angle bracket, one end of the first connecting bracket is connected with the ear plate, the other end of the first connecting bracket extends upwards out of the protection section, the lower part of the first connecting bracket is connected with the third connecting bracket, and the other end of the third connecting bracket is connected with the ear plates in the same group; face limit protective wire net, face the upper portion that limit protective wire net located the protection section.
Preferably, a plurality of transverse partition plates are uniformly distributed on the bottom plate along the length direction, the transverse partition plates, the bottom plate and the web plate are all vertically arranged, longitudinal stiffening ribs are arranged on the bottom plate along the length direction, a plurality of vertical stiffening ribs are arranged on the web plate, and the distance between every two adjacent vertical stiffening ribs is 800-1200 mm.
Preferably, the steel pipe is seamless steel pipe, passes through the ring flange at the tube top of steel pipe and is connected with the connecting pipe, and the connecting pipe supports with the bottom plate and is connected, is equipped with multiunit limit stop in the bottom plate lower part of steel case roof beam, and the inboard of every group connecting pipe is located to every group limit stop.
Preferably, a flange steel plate is pre-embedded in the strip foundation, and the bottom of the steel structure support is bolted with the flange steel plate.
Preferably, each group of the ear plates comprises two ear plates arranged along the vertical direction, the distance between two adjacent groups of the ear plates is 800-1200mm, the ear plates are made of steel plates with the thickness of 20-25mm, and the ear plates and the steel box girder are integrally processed and formed.
Preferably, the cantilever support and the lug plate are bolted through a high-strength bolt, the diameter of the high-strength bolt is 20mm, one end of a second connecting support of the cantilever support is connected with the first connecting support, and the other end of the second connecting support is connected with the middle of a third connecting support.
Preferably, the top surface of each cantilever support is provided with a through-length angle steel along the length direction of the steel box girder, the through-length angle steel is welded with each cantilever support, and the first connecting support, the second connecting support and the third connecting support of each cantilever support are all channel steel.
Preferably, the size of the square wood is 10cm × 10cm, the square wood comprises a first square wood longitudinally arranged and a second square wood transversely arranged, the distance between the first square wood is 400-500mm, the distance between the second square wood is 300mm, the thickness of the bamboo plywood is 20mm, and the joints of the bamboo plywood are sealed by sealing tapes.
Has the advantages that:
a connection structure of steel-concrete composite beam cantilever support and edge of a wing template in this application, this structure basis takes up an area of fewly, and is not high to the place requirement, and the vehicle can go together during the construction, does not have non-elastic deformation basically, can save partial time limit for a project, and construction economy is good. The method is simple and easy to operate, does not need large hoisting equipment to be matched, can save part of construction period, and has good construction economy.
The steel box girder is erected in a mode of being manufactured in sections in a factory and being hoisted in place on site.
The cantilever support can be repeatedly used in the same project for many times or used in other steel-concrete composite beams meeting the checking calculation in different projects, and has strong reusability.
Utilize edge of a wing template and cantilever to form supporting construction, cantilever and steel box girder bolt are as an organic whole, and stability is strong, guarantees the clearance under the bridge, and material saving and cost have greatly saved construction period, have reduced the production of corner waste material, the effectual attrition rate that reduces steel. The construction of the steel-concrete composite beam structure with high quality, high efficiency and low cost is realized.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. Wherein:
FIG. 1 is a schematic structural view of a steel box girder in the present application;
FIG. 2 is a left side view of the steel box girder and the steel structure bracket in the present application;
FIG. 3 is a front view of the steel box girder and the steel structure bracket in the present application;
fig. 4 is a left side view of the outrigger and flange form of the present application.
Description of reference numerals:
1-a steel box girder; 11-a base plate; 12-ear plate; 13-diaphragm plate; 14-a web; 15-limit stop; 2-a steel structure bracket; 21-a steel pipe; 22-connecting tube; 23-a second support cross; 24-a first support cross-bar; 3-cantilever support; 31-a first connecting bracket; 32-a second connecting bracket; 33-a third connecting bracket; 34-edge protective net; 4-flange template; 5-concrete deck slab; 6-bar foundation.
Detailed Description
The present application will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the application and are not limiting of the application. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the application. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present application cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
In the description of the present application, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present application but do not require that the present application must be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
As shown in fig. 1 to 4, the present invention discloses a connection structure of a cantilever bracket and a flange template of a reinforced concrete composite beam, including:
Further, each group of the ear plates 12 comprises two ear plates 12 arranged in the vertical direction, the distance between every two adjacent groups of the ear plates 12 is 1m, the ear plates 12 are made of steel plates with the thickness of 20-25mm, and the ear plates and the steel box girders are integrally processed and formed.
Furthermore, longitudinal stiffening ribs are arranged on the bottom plate 11 along the length direction, a plurality of vertical stiffening ribs are arranged on the web plate 14, and the distance between every two adjacent vertical stiffening ribs is 1 m.
Further, the steel pipe 21 is a seamless steel pipe, the top of the steel pipe 21 is connected with the connecting pipe 22 through a flange, the connecting pipe 22 is connected with the bottom plate 11 in a supporting manner, a plurality of groups of limit stops 15 are arranged on the lower portion of the bottom plate 11 of the steel box girder 1, and each group of limit stops 15 are arranged on the inner side of each group of connecting pipe 22.
Further, the distance between two first supporting cross-links 24 arranged vertically is 4000 mm.
Furthermore, 2 groups of steel pipes 21 are arranged at the bottom of each span of the steel box girder 1 along the length direction. The distance between two adjacent steel tubes 21 in the length direction of the steel box girder 1 is 2000mm, and the distance between two adjacent steel tubes 21 in each group is 2800 and 3400 mm.
Further, a flange steel plate is pre-embedded in the strip foundation 6, and the bottom of the steel structure support 2 is bolted with the flange steel plate.
Further, the strip foundation 6 is a reinforced concrete foundation, the strip foundation 6 is formed by pouring C30 concrete at one time, and the size of the strip foundation 6 is 3420 × 1450 × 600 units mm.
Furthermore, the cantilever support 3 and the ear plate 12 are bolted through a high-strength bolt, the diameter of the high-strength bolt is 20mm, one end of a second connecting support 32 of the cantilever support 3 is connected with the first connecting support 31, and the other end of the second connecting support 32 is connected with the middle part of a third connecting support 33.
Furthermore, the top surface of the cantilever support 3 is provided with through-length angle steel along the length direction of the steel box girder 1, the through-length angle steel is welded with each cantilever support 3, and the first connecting support 31, the second connecting support 32 and the third connecting support 33 of each cantilever support 3 all adopt [100 channel steel.
And the flange template 4 is paved on the upper end surface of the cantilever support 3, the flange template 4 comprises two layers of criss-cross paved square timber, and a bamboo plywood is paved on the upper layer of the two layers of square timber.
Furthermore, the size of the square wood is 10cm multiplied by 10cm, the square wood comprises a first square wood which is longitudinally arranged and a second square wood which is transversely arranged, the distance between the first square wood is 400-500mm, the distance between the second square wood is 300mm, the thickness of the bamboo plywood is 20mm, and the joint of the bamboo plywood is sealed by a sealing adhesive tape. After the square wood and bamboo plywood meet the concrete pouring stress requirement through experience calculation, the joints of the bamboo plywood are strictly sealed by sealing tapes, so that slurry leakage during pouring is prevented.
During construction, after the steel structure support 2 is constructed and installed, the steel box girder 1 is hoisted in a segmented mode, the cantilever support 3 and the flange template 4 are installed, the top of the steel box girder 1 is provided with a top plate inner template, the top plate inner template adopts the steel pipe support as a support, and a bamboo plywood with the thickness of 20mm is laid on the upper layer.
After the device is installed, concrete is poured on the top plate inner formwork and the flange formwork 4 respectively, the concrete bridge deck slab 5 is poured in the sequence of the flange and the top plate, and maintenance is carried out after pouring is finished. And after the concrete bridge deck 5 reaches the design strength, the flange template 4 and the cantilever support 3 are removed. The concrete bridge deck 5 and the steel box girder 1 form a combined structure after being connected through the shear nails, and play a role of common stress.
In conclusion, the utility model provides the connection structure of the cantilever support and the flange template of the steel-concrete composite beam, the structure has the advantages of small occupied area of the foundation, low requirement on the site, capability of enabling vehicles to run simultaneously during construction, basically no non-elastic deformation, capability of saving part of construction period and good construction economy. The method is simple and easy to operate, does not need large hoisting equipment to be matched, can save part of construction period, and has good construction economy.
The steel box girder 1 is constructed by adopting a mode of manufacturing in sections in a factory and hoisting in place on site.
The cantilever support 3 can be repeatedly used in the same project for many times or used in other steel-concrete composite beams meeting the checking calculation in different projects, and has strong reusability.
Utilize edge of a wing template 4 and cantilever 3 to form supporting construction, cantilever 3 and steel box girder 1 bolt joint are as an organic whole, and stability is strong, guarantees the clearance under the bridge, and material saving and cost have greatly saved construction period, have reduced the production of corner waste material, the effectual attrition rate that reduces steel. The construction of the steel-concrete composite beam structure with high quality, high efficiency and low cost is realized.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. The utility model provides a connection structure of steel-concrete composite beam cantilever crane and edge of a wing template, as the supporting construction of concrete bridge panel which characterized in that includes:
a steel box girder, the steel box girder comprising:
the bottom plate is a rectangular plate;
the webs are vertically arranged on two sides of the bottom plate in the width direction;
a plurality of groups of lug plates are uniformly distributed on the outer side of the web plate along the length direction of the bottom plate;
steel structure support, steel structure support's upper portion with the steel case roof beam is connected, steel structure support's lower part and bar foundation are connected, steel structure support includes:
the steel pipes are arranged along the length direction of the steel box girder, and each group of steel pipes comprises two steel pipes which are correspondingly arranged along the width direction of the steel box girder;
the steel pipe support comprises support cross-links, wherein two first support cross-links are vertically arranged between any two adjacent steel pipes, a second support cross-link which is obliquely arranged is arranged between the two first support cross-links, two ends of the second support cross-link are respectively connected with the upper first support cross-link and the lower first support cross-link, and a Z-shaped steel structure support is formed between the steel pipes by the two first support cross-links and the second support cross-link;
the cantilever support is an angle frame type support and is connected to two sides of the steel box girder through the lug plates;
the flange template is paved on the upper end face of the cantilever support and comprises two layers of criss-cross paved square timbers, and a bamboo plywood is paved on the upper layers of the two layers of square timbers.
2. The connecting structure of the cantilever supports and the flange formworks of the steel-concrete composite beam as claimed in claim 1, wherein each group of the cantilever supports comprises:
the connecting bracket comprises a first connecting bracket, a second connecting bracket and a third connecting bracket which are connected through an angle frame, one end of the first connecting bracket is connected with the ear plate, the other end of the first connecting bracket extends upwards to form a protection section, the lower part of the first connecting bracket is connected with the third connecting bracket, and the other end of the third connecting bracket is connected with the ear plate in the same group;
face limit protective screen, face limit protective screen and locate the upper portion of protection section.
3. The structure for connecting the cantilever bracket and the flange template of the steel-concrete composite beam as claimed in claim 1, wherein a plurality of cross-plates are uniformly distributed on the bottom plate along the length direction, the cross-plates are perpendicular to the bottom plate and the web plate, longitudinal stiffening ribs are arranged on the bottom plate along the length direction, a plurality of vertical stiffening ribs are arranged on the web plate, and the distance between two adjacent vertical stiffening ribs is 800-1200 mm.
4. The connecting structure of the cantilever bracket and the flange formwork of the steel-concrete composite beam as claimed in claim 3, wherein the steel tube is a seamless steel tube, the top of the steel tube is connected with a connecting tube through a flange, the connecting tube is connected with the bottom plate support, a plurality of sets of limit stops are arranged at the lower part of the bottom plate of the steel box beam, and each set of limit stops is arranged at the inner side of each set of connecting tube.
5. The connecting structure of the cantilever support and the flange formwork of the steel-concrete composite beam as claimed in claim 1, wherein a flange steel plate is embedded in the strip foundation, and the bottom of the steel structure support is bolted to the flange steel plate.
6. The connecting structure of the cantilever bracket and the flange template of the steel-concrete composite beam as claimed in claim 2, wherein each set of the ear plates comprises two ear plates arranged along the vertical direction, the distance between two adjacent sets of the ear plates is 800-1200mm, the ear plates are made of steel plates with the thickness of 20-25mm, and the ear plates and the steel box beam are integrally formed.
7. The connecting structure of the cantilever support and the flange formwork of the steel-concrete composite beam as claimed in claim 6, wherein the cantilever support and the lug plate are bolted through a high-strength bolt, the diameter of the high-strength bolt is 20mm, one end of a second connecting support of the cantilever support is connected with the first connecting support, and the other end of the second connecting support is connected with the middle part of the third connecting support.
8. The connecting structure of the cantilever support and the flange formwork of the steel-concrete composite beam as claimed in claim 7, wherein a through angle steel is provided on the top surface of the cantilever support along the length direction of the steel box girder, the through angle steel is welded to each cantilever support, and the first connecting support, the second connecting support and the third connecting support of the cantilever support are made of channel steel.
9. The connecting structure of the cantilever bracket and the flange formwork of the steel-concrete composite beam as claimed in claim 1, wherein the size of the square timber is 10cm x 10cm, the square timber comprises a first square timber longitudinally arranged and a second square timber transversely arranged, the distance between the first square timber is 400-500mm, the distance between the second square timber is 300mm, the thickness of the bamboo plywood is 20mm, and the joints of the bamboo plywood are sealed by sealing tapes.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120786083.7U CN216566604U (en) | 2021-04-16 | 2021-04-16 | Connecting structure of cantilever support and flange template of steel-concrete composite beam |
| DE202021102448.8U DE202021102448U1 (en) | 2021-04-16 | 2021-05-06 | Cantilever bracket and flange template for steel-concrete composite girders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120786083.7U CN216566604U (en) | 2021-04-16 | 2021-04-16 | Connecting structure of cantilever support and flange template of steel-concrete composite beam |
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| Publication Number | Publication Date |
|---|---|
| CN216566604U true CN216566604U (en) | 2022-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120786083.7U Active CN216566604U (en) | 2021-04-16 | 2021-04-16 | Connecting structure of cantilever support and flange template of steel-concrete composite beam |
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| Country | Link |
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| CN (1) | CN216566604U (en) |
| DE (1) | DE202021102448U1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114986007B (en) * | 2022-07-08 | 2024-04-05 | 山东锦城钢结构有限责任公司 | Complicated huge dense-rib thick-plate steel box girder device and processing method thereof |
| CN116084627A (en) * | 2023-04-12 | 2023-05-09 | 中铁建工集团有限公司 | Combined structure crossbeam, main steel structure and platform canopy |
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2021
- 2021-04-16 CN CN202120786083.7U patent/CN216566604U/en active Active
- 2021-05-06 DE DE202021102448.8U patent/DE202021102448U1/en active Active
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| DE202021102448U1 (en) | 2021-07-20 |
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