CN214362926U - Cast-in-place box girder flange plate bearing structure - Google Patents
Cast-in-place box girder flange plate bearing structure Download PDFInfo
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- CN214362926U CN214362926U CN202120208109.XU CN202120208109U CN214362926U CN 214362926 U CN214362926 U CN 214362926U CN 202120208109 U CN202120208109 U CN 202120208109U CN 214362926 U CN214362926 U CN 214362926U
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Abstract
The application relates to the technical field of bridge construction, in particular to a cast-in-place box girder flange plate supporting structure which comprises a plurality of truss pieces and a connecting assembly, wherein each truss piece comprises a first frame beam, a second frame beam, a third frame beam and a frame upright rod, the first frame beam, the second frame beam, the third frame beam and the frame upright rods are sequentially and fixedly connected end to end, the first frame beam is abutted to a distribution beam, and the second frame beam is abutted to the distribution beam; the connecting assembly and the truss pieces are detachably connected and used for connecting the truss pieces. This application has the effect of improving the loaded down with trivial details defect of dismantlement process that box girder flange board supporting component set up.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a cast-in-place box girder flange plate supporting structure.
Background
The cast-in-place box girder construction is one of the construction modes commonly used in bridge construction, particularly large continuous bridge construction, a box girder template needs to be built before concrete pouring, and a box girder flange template needs to be supported for ensuring the transverse strength of a box girder when the template is built.
In the correlation technique, before the case roof beam is pour, at first set up the basic unit that the one deck level set up, use the bamboo plywood to set up the case roof beam template afterwards on the basic unit, the fixed square timber distributive girder that is provided with in one side that deviates from the face of pouring of template, the distributive girder vertically sets up along the case roof beam, sets up scaffold support system through little steel pipe afterwards, supports the distributive girder and then supports the case roof beam flange board through scaffold cooperation system.
However, the above-mentioned support method needs to set up the small steel tube support frame on site during specific construction, and also needs to be disassembled one by one after the construction is completed, and the installation and disassembly process is cumbersome.
In view of the above-mentioned related art, the inventor believes that there is a drawback in that the process of setting up and disassembling the box girder flange plate support assembly is cumbersome.
SUMMERY OF THE UTILITY MODEL
In order to improve the loaded down with trivial details defect of dismantlement process that box girder flange board supporting component set up, this application provides a cast-in-place box girder flange board bearing structure.
The application provides a pair of cast-in-place box girder flange plate bearing structure adopts following technical scheme:
a cast-in-place box girder flange plate supporting structure comprises a plurality of truss pieces and connecting assemblies, wherein each truss piece comprises a first frame beam, a second frame beam, a third frame beam and a frame upright rod, the first frame beam, the second frame beam, the third frame beam and the frame upright rods are sequentially and fixedly connected end to end, the first frame beam is abutted to a distribution beam, and the second frame beam is abutted to the distribution beam; the connecting assembly and the truss pieces are detachably connected and used for connecting the truss pieces.
Through adopting above-mentioned technical scheme, when carrying out the box girder template and setting up, in advance with first frame roof beam, the second frame roof beam, third frame roof beam and frame pole setting fixed connection in proper order constitute the truss piece, the truss piece supports the distributive girder during the use, vertically carry out fixed connection with each truss piece through coupling assembling along the bridge afterwards, use after accomplishing to take off coupling assembling and truss piece in proper order can, thereby improve box girder flange board supporting component to a certain extent and set up and dismantle the loaded down with trivial details defect of process.
Optionally, first frame roof beam slope sets up and incline direction by being close to frame pole setting one end is pointed to downwards by one end of frame pole setting and is kept away from frame pole setting one end, second frame roof beam slope sets up and incline direction from top to bottom keeps away from gradually the frame pole setting.
Through adopting above-mentioned technical scheme, first frame roof beam and the slope of second frame roof beam set up to make the truss piece laminate with the distribution beam when supporting, thereby support the flange board better.
Optionally, the first frame beam and the second frame beam are both fixedly connected to the distribution beam.
Through adopting above-mentioned technical scheme, through with first frame roof beam and second frame roof beam and distributive girder fixed connection to truss piece outwards slides and leads to supporting unstablely when avoiding supporting to a certain extent.
Optionally, the truss sheet further includes a vertical support assembly, a truss assembly and an inclined strut assembly, the vertical support assembly is vertically arranged, the upper end of the vertical support assembly is fixedly connected with the first frame beam, and the lower end of the vertical support assembly is fixedly connected with the third frame beam; the truss assembly is obliquely arranged, the upper end of the truss assembly is fixedly connected with the first frame beam, and the lower end of the truss assembly is fixedly connected with the third frame beam; the bracing subassembly slope sets up, bracing subassembly upper end with second frame roof beam fixed connection and lower extreme with third frame roof beam fixed connection.
Through adopting above-mentioned technical scheme, thereby vertical supporting component and truss subassembly are connected first frame roof beam and third frame roof beam and are supported first frame roof beam, and the bracing subassembly supports second frame roof beam to consolidate the truss piece, promote the support strength of truss piece.
Optionally, the vertical support assembly includes a plurality of vertical bars, the upper ends of the vertical bars are fixedly connected to the first frame beam and the lower ends of the vertical bars are fixedly connected to the third frame beam.
Through adopting above-mentioned technical scheme, montant and first frame roof beam and third frame roof beam fixed connection just support it to improve the support strength of truss piece vertical direction to a certain extent.
Optionally, the truss assembly comprises a plurality of web members, the lower ends of the web members are fixedly arranged at the joint of the third frame beam and one vertical rod, and the upper ends of the web members are fixedly arranged at the joint of the first frame beam and the adjacent vertical rod.
Through adopting above-mentioned technical scheme, the fixed setting of web member tip is in montant and first frame roof beam or third frame roof beam junction to constitute the triangle-shaped structure, promote the stability of truss piece, prevent that the truss piece from taking place to warp.
Optionally, the diagonal member assembly includes a plurality of diagonal members, the lower ends of the diagonal members being fixedly connected to the third frame beam and the upper ends of the diagonal members being fixedly connected to the second frame beam.
Through adopting above-mentioned technical scheme, the down tube carries out fixed connection to second frame roof beam and third frame roof beam, constitutes the triangle-shaped structure simultaneously between second frame roof beam and third frame roof beam to promote the support to second frame roof beam, promote the support intensity of truss piece.
Optionally, the connecting assembly comprises a plurality of connecting rods, the connecting rods are horizontally arranged and are detachably connected with the two adjacent vertical rods in the truss sheets, and the connecting rods are detachably connected with the two adjacent vertical rods in the truss sheets.
Through adopting above-mentioned technical scheme, when using, thereby connect gradually each truss piece through the connecting rod and support the case roof beam flange board, take off the connecting rod after the use is accomplished and demolish the truss piece afterwards to improve the loaded down with trivial details defect of flange board bearing structure installation and dismantlement process to a certain extent.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the pre-assembled truss pieces are connected through the connecting rods to form a supporting structure for the flange plate, and the connecting rods and the truss pieces are sequentially detached after the supporting structure is used, so that overhead welding operation is reduced, and construction efficiency is improved, so that the supporting structure which is built by small steel pipes one by one in the related art is replaced, and the defects of complicated installation and detachment processes of the flange plate supporting structure are overcome to a certain extent;
2. through set up vertical support assembly and bracing subassembly in the truss piece, promote truss piece intensity to promote whole bearing structure's intensity.
Drawings
FIG. 1 is a schematic structural diagram of a cast-in-place box girder flange plate supporting structure according to an embodiment of the application;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of a truss sheet of a cast-in-place box girder flange plate supporting structure according to an embodiment of the present application;
fig. 4 is a structural schematic diagram of a truss sheet and a connecting assembly of a cast-in-place box girder flange plate supporting structure in the embodiment of the application.
Description of reference numerals: 1. a truss sheet; 11. a first frame beam; 12. a second frame beam; 13. a third frame beam; 14. a frame upright rod; 15. a vertical support assembly; 151. a vertical rod; 16. a truss assembly; 161. a web member; 17 a bracing assembly; 171. a diagonal bar; 2. a connecting assembly; 21. a connecting rod; 3. a base layer; 4. a distribution beam.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses cast-in-place box girder flange plate bearing structure. Referring to fig. 1 and 2, the cast-in-place box girder flange plate supporting structure comprises a truss sheet 1 and a connecting assembly 2, wherein the truss sheet 1 comprises a first frame girder 11, a second frame girder 12, a third frame girder 13 and a frame upright 14, and the first frame girder 11, the second frame girder 12, the third frame girder 13 and the frame upright 14 are welded and fixed in sequence; the connecting assembly 2 is detachably connected with the truss sheet 1 through a building fastener.
When carrying out the case roof beam and pouring, in advance with truss piece 1 welding equipment, coupling assembling 2 connects gradually a plurality of truss pieces 1 afterwards and constitutes bearing structure and support the flange board, at first demolish coupling assembling 2 after pouring the completion, demolish each truss piece 1 afterwards to improve flange board bearing structure installation and the loaded down with trivial details defect of dismantlement process to a certain extent.
Specifically, the third frame beam 13 is horizontally arranged on the foundation layer 3 below the flange plate, referring to fig. 3, the frame upright stanchion 14 is vertically arranged, the lower end of the frame upright stanchion is welded and fixed with one end, away from the box girder template, of the third frame beam 13, the second frame beam 12 is obliquely arranged, the oblique direction of the second frame beam 12 is from bottom to top, the frame upright stanchion 14 is pointed to by the box girder template, the lower end of the second frame beam 12 and one end, away from the frame upright stanchion 14, of the third frame beam 13 are welded and fixed, the upper end of the second frame beam 12 is lower than the upper end of the frame upright stanchion 14, one end of the first frame beam 11 is welded and fixed with the upper end of the frame upright stanchion 14, and the other end of the first frame beam 12 is welded and fixed with the upper end of the second frame beam.
In this embodiment, the first frame beam 11, the second frame beam 12, the third frame beam 13, and the frame vertical rod 14 are welded by buckling a double-channel steel, so that the supporting structure of the truss piece 1 is more stable.
Further, for promoting 1 intensity of truss piece and be provided with vertical supporting component 15, truss subassembly 16 and bracing subassembly 17, refer to fig. 3, vertical supporting component 15 includes three montant 151, and three montant 151 is vertical to be set up and equidistant welded fastening on third frame roof beam 13, montant 151 upper end and first frame roof beam 11 welded fastening.
The inclined strut assembly 17 comprises two inclined rods 171, the inclined rods 171 are obliquely arranged, the upper ends of the inclined rods 171 are welded and fixed with the second frame beam 12, the lower ends of the inclined rods 171 are welded and fixed with the third frame beam 13, the two inclined rods 171 are parallel to each other, and the lower end of one inclined rod 171 is welded and fixed at the joint of the third frame beam 13 and one vertical rod 151.
When the box girder is poured, the truss pieces 1 are placed on the foundation layer 3, the lower end face of the third frame girder 13 is abutted to the foundation layer 3, the first frame girder 11 and the second frame girder 12 are abutted to the distribution girder 4 below the flange plate, the distribution girder 4 is made of I-shaped steel or square wood, square wood is selected in the embodiment, and the first frame girder 11 and the second frame girder 12 are fixedly tied up with the distribution girder 4 through thin iron wires.
In order to guarantee that the support stability needs the connecting assembly 2 to be connected between each truss piece 1, refer to fig. 4, the connecting assembly 2 includes eight connecting rods 21, connecting rod 21 sets up to 48mm little steel pipe in this embodiment, connecting rod 21 level sets up, wherein two connecting rods 21 are connected with the frame pole setting 14 in two adjacent truss pieces 1, six remaining connecting rods 21 are every two a set of and are connected with the montant 154 in two adjacent truss pieces 1, can dismantle through building fastener between connecting rod 21 and montant 151 and the frame pole setting 14 and be connected. Thereby fixing the truss sheet 1 in the longitudinal direction of the bridge through the connecting rods 21 and completing the erection of the flange plate supporting structure.
When the casting is completed, the connecting rods 21 are firstly removed through the building fasteners, and then the thin iron wires are cut to separate the truss sheets 1 from the distribution beams 4, so that the flange plate supporting structure is removed.
The implementation principle of the cast-in-place box girder flange plate supporting structure of the embodiment of the application is as follows: when carrying out the case roof beam and pouring, the truss piece 1 has been assembled in advance to the prewelding, when carrying out the flange board support, place truss piece 1 in the flange board below, truss piece 1's first frame roof beam 11 and second frame roof beam 12 and distribution beam 4 fixed connection, connecting rod 21 level set up afterwards and can dismantle through the building fastener and be connected between frame pole setting 14 and the montant 151, thereby accomplish bearing structure's the setting, receive the line after the use is accomplished and demolish connecting rod 21, separate truss piece 1 and categorised roof beam afterwards, thereby improve the loaded down with trivial details defect of flange board bearing structure installation dismantlement process to a certain extent.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a cast-in-place box girder flange board bearing structure which characterized in that: the truss structure is characterized by comprising a plurality of truss pieces (1) and connecting assemblies (2), wherein each truss piece (1) comprises a first frame beam (11), a second frame beam (12), a third frame beam (13) and a frame upright (14), the first frame beam (11), the second frame beam (12), the third frame beam (13) and the frame upright (14) are sequentially and fixedly connected end to end, the first frame beam (11) is abutted to a distribution beam (4), and the second frame beam (12) is abutted to the distribution beam (4); the connecting assembly (2) and the truss pieces (1) are detachably connected and used for connecting the truss pieces (1).
2. The cast-in-place box girder flange plate support structure of claim 1, wherein: first frame roof beam (11) slope sets up and incline direction by being close to frame pole setting (14) one end is pointed to downwards by one end slant and is kept away from frame pole setting (14) one end, second frame roof beam (12) slope sets up and incline direction from top to bottom keeps away from gradually frame pole setting (14).
3. The cast-in-place box girder flange plate support structure of claim 2, wherein: the first frame beam (11) and the second frame beam (12) are both fixedly connected with the distribution beam (4).
4. The cast-in-place box girder flange plate support structure of claim 2, wherein: the truss sheet (1) further comprises a vertical supporting assembly (15), a truss assembly (16) and an inclined supporting assembly (17), wherein the vertical supporting assembly (15) is vertically arranged, the upper end of the vertical supporting assembly (15) is fixedly connected with the first frame beam (11), and the lower end of the vertical supporting assembly (15) is fixedly connected with the third frame beam (13); the truss assembly (16) is obliquely arranged, the upper end of the truss assembly (16) is fixedly connected with the first frame beam (11), and the lower end of the truss assembly (16) is fixedly connected with the third frame beam (13); the inclined strut assembly (17) is obliquely arranged, and the upper end of the inclined strut assembly (17) is fixedly connected with the second frame beam (12) and the lower end of the inclined strut assembly is fixedly connected with the third frame beam (13).
5. The cast-in-place box girder flange plate support structure of claim 4, wherein: the vertical supporting assembly (15) comprises a plurality of vertical rods (151), wherein the upper ends of the vertical rods (151) are fixedly connected with the first frame beam (11) and the lower ends of the vertical rods (151) are fixedly connected with the third frame beam (13).
6. The cast-in-place box girder flange plate support structure of claim 5, wherein: truss subassembly (16) include a plurality of web members (161), web member (161) lower extreme is fixed set up in third frame roof beam (13) and montant (151) junction, and web member (161) upper end is fixed to be set up first frame roof beam (11) and adjacent montant (151) junction.
7. The cast-in-place box girder flange plate support structure of claim 4, wherein: the bracing subassembly (17) includes a plurality of down tube (171), down tube (171) lower extreme with third frame roof beam (13) fixed connection and upper end with second frame roof beam (12) fixed connection.
8. The cast-in-place box girder flange plate support structure of claim 5, wherein: coupling assembling (2) include a plurality of connecting rods (21), connecting rod (21) level set up and with double-phase neighbour in truss piece (1) frame pole setting (14) can dismantle the connection, connecting rod (21) and double-phase neighbour in truss piece (1) montant (151) can dismantle the connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120208109.XU CN214362926U (en) | 2021-01-25 | 2021-01-25 | Cast-in-place box girder flange plate bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120208109.XU CN214362926U (en) | 2021-01-25 | 2021-01-25 | Cast-in-place box girder flange plate bearing structure |
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| Publication Number | Publication Date |
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| CN214362926U true CN214362926U (en) | 2021-10-08 |
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| CN202120208109.XU Active CN214362926U (en) | 2021-01-25 | 2021-01-25 | Cast-in-place box girder flange plate bearing structure |
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- 2021-01-25 CN CN202120208109.XU patent/CN214362926U/en active Active
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