CN214362885U - Cast-in-situ lower cross beam support frame - Google Patents
Cast-in-situ lower cross beam support frame Download PDFInfo
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- CN214362885U CN214362885U CN202023194613.3U CN202023194613U CN214362885U CN 214362885 U CN214362885 U CN 214362885U CN 202023194613 U CN202023194613 U CN 202023194613U CN 214362885 U CN214362885 U CN 214362885U
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Abstract
The application provides a cast-in-place bottom end rail support frame has improved the relatively poor problem of current beam support stability, including locating steel-pipe pile, bailey frame, distribution roof beam and the steel mould of pylon inboard, the steel-pipe pile sets up many along vertical extension and along the cross bridge to arranging, and the part is located the steel-pipe pile in the pylon projection area and supports through the bracket of locating on the pylon, bailey frame is to extending and locating many along the cross bridge on the steel-pipe pile, the distribution roof beam is along extending in the same direction as the bridge, just the distribution roof beam is equipped with many and arranges along the cross bridge on the bailey frame, the steel mould is located in order to regard as the bottom end rail die block on the distribution roof beam. Can realize the vertical support of steel-pipe pile through the bracket that sets up on the column tower, avoid causing bearing capacity low, the unstable problem of structure because of the slope of steel-pipe pile sets up for the support frame of this application has good structural stability, and simple structure, convenient construction.
Description
Technical Field
The application relates to the field of bridge tower column construction, in particular to a cast-in-place lower cross beam support frame.
Background
The cable tower is usually a double-limb structure, and an upper cross beam, a middle cross beam and a lower cross beam are arranged between two tower columns. The cable tower lower beam is usually constructed by adopting a floor steel pipe support or an inclined steel pipe support. For the diamond tower, the lower tower column is in an outward-inclining state, if the lower cross beam is constructed by adopting a conventional floor steel pipe support, the steel pipe support is used for avoiding the tower column, the distance between the steel pipe piles needs to be adjusted and increased, the stress of the bearing beam is increased, the material consumption is increased, and the potential safety hazard is large. If the lower cross beam adopts the construction of the inclined steel pipe support, the design requirements are difficult to meet due to the large slope of the steel pipe stand columns and the large construction difficulty, the construction errors are influenced, the actual stress is complex, the stability is difficult to guarantee, and the safety risk is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cast-in-place bottom end rail support frame that structural stability is high.
In order to achieve the above object, the present application provides the following technical solutions:
the utility model provides a cast-in-place bottom end rail support frame which characterized by: including locating inboard steel-pipe pile, bailey frame, distribution beam and the steel mould of column, the steel-pipe pile sets up many along vertical extension and along the horizontal bridge to arranging, and the part is located the steel-pipe pile in column projection region supports through locating the bracket on the column, bailey frame is to extending and locating many along the horizontal bridge on the steel-pipe pile, the distribution beam is along extending along the bridge, just the distribution beam is equipped with many and is arranged along the horizontal bridge on the bailey frame, the steel mould is located in order as the bottom end rail die block on the distribution beam.
Further setting: the steel pipe piles are provided with at least two rows along the bridge direction, a bearing beam is arranged between the top of each steel pipe pile and the Bailey truss, and the bearing beam extends along the bridge direction and is erected on the steel pipe piles in the at least two rows.
Further setting: and a frame dropping wedge block is arranged at the top of the steel pipe pile, and the bearing beam is installed on the steel pipe pile through the frame dropping wedge block.
Further setting: and a pile top pad beam is arranged between the top of the steel pipe pile and the falling frame wedge block.
Further setting: the wall attaching pipe is symmetrically provided with a plurality of groups along the height direction of the tower column, and each group of the wall attaching pipes is provided with at least two wall attaching pipes which are attached to the corresponding steel pipe piles in each row.
Further setting: and a parallel connection penetrating through the steel pipe piles is arranged between each group of the wall attaching pipes.
Further setting: the bracket is connected with pre-buried support piece in the column, be equipped with on the bracket along the bracket pad roof beam of bridge extension, just the bracket pad roof beam is connected and is located same ascending steel-pipe pile in the same direction of bridge.
Further setting: and connecting pieces are arranged at two ends of the Bailey frames to lengthen the Bailey frames and connect the Bailey frames with the tower columns.
Further setting: the distribution beam comprises a standard area and an encryption area, the support range of the encryption area comprises two ends of the bailey truss and a connecting piece, and the support range of the standard area is located between the encryption areas at the two ends of the bailey truss;
the distribution beams in the standard area are arranged at intervals of 75cm, and the distribution beams in the encryption area are arranged at intervals of 37 cm.
Further setting: the distribution beams are all made of I25a steel.
Compared with the prior art, the scheme of the application has the following advantages:
1. in the cast-in-place bottom end rail support frame of this application, can realize the vertical support of steel-pipe pile through the bracket that sets up on the column tower, avoid causing bearing capacity low, the unstable problem of structure because of the slope of steel-pipe pile sets up for the support frame of this application has good structural stability, and simple structure.
2. In the cast-in-place bottom end rail support frame of this application, set up between the inboard both sides wall of column and attach the wall pipe, attach the wall pipe and in order to improve support frame stability as the attaching wall of support frame, still double as the level of column to the vaulting pole to ensure that the column pours the stability of in-process at the bottom end rail.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic cross-sectional view of a cast-in-place lower beam support frame of the present application along a bridge direction;
fig. 2 is a cross-bridge cross-sectional view of the cast-in-place lower beam support frame of the present application.
In the figure, 1, a steel pipe pile; 11. a frame falling wedge block; 12. pile top pad beam; 2. a bailey frame; 21. a connecting member; 3. a distribution beam; 4. steel molding; 5. a bracket; 51. a corbel backing beam; 6. a spandrel girder; 7. a wall-attached pipe; 71. parallel connection; 100. a tower column; 200. a lower cross beam; 300. a bearing platform.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
Please refer to fig. 1 and 2, the present application relates to a cast-in-place lower beam support frame, which improves the problem of poor structural stability of the existing beam support frame, and has a simple structure and a good supporting effect.
Cast-in-place bottom end rail support is including locating inboard steel-pipe pile 1 of column, bailey truss 2, distribution beam 3 and steel mould 4, wherein, steel-pipe pile 1 is along vertical extension, just steel-pipe pile 1 has arranged many side by side along the cross bridge, bailey truss 2 is along the cross bridge to extending and locating 1 top of steel-pipe pile, distribution beam 3 is located on bailey truss 2, distribution beam 3 is along extending along the bridge to, just distribution beam 3 is equipped with many and arranges along the cross bridge on bailey truss 2, and steel mould 4 is located in order to regard as the die block of bottom end rail on the distribution beam 3.
Specifically, the steel pipe pile 1 of the present application is partially supported on a bearing platform, and the steel pipe pile 1 partially located in the projection area of the tower column can be supported by the corbels 5 preset on the tower column, so that the steel pipe pile 1 of the present application is in a vertical state. The bearing capacity of the vertical steel pipe pile 1 is superior to that of the inclined steel pipe pile 1, so that the stability of the cast-in-place lower cross beam support frame can be ensured. In the present embodiment, the steel pipe pile 1 has a model of Φ 630 × 8 mm.
Further, the steel pipe piles 1 are symmetrically provided with at least two rows along the bridge direction, that is, correspondingly, at least two steel pipe piles 1 are provided along each row along the same bridge direction, and preferably two rows of the steel pipe piles 1 are provided in the present application. In this embodiment, 7 steel pipe piles are provided in each row of the steel pipe piles 1. Specifically, the distance between two adjacent steel pipe piles 1 located in the middle area is large, the distance between two adjacent steel pipe piles 1 located in the two side areas is small, and the maximum distance between two adjacent steel pipe piles 1 is 6 m.
Meanwhile, a bearing beam 6 extending along the bridge direction is arranged between the top of the steel pipe pile 1 and the bailey truss 2, the bearing beam 6 is provided with a plurality of bearing beams, and each bearing beam 6 is correspondingly erected at the top of each row of steel pipe piles 1. The top of the steel pipe pile 1 is further provided with a frame dropping wedge block 11, and the bearing beam 6 is installed on the top of the bearing beam 6 through the frame dropping cushion block. Preferably, the bearing beam 6 in the embodiment is made of 2I45a steel.
Furthermore, a pile top pad beam 12 is arranged between the top of the steel pipe pile 1 and the frame falling wedge block 11, so that the bearing area of the steel pipe pile 1 can be increased.
Secondly, the corbel 5 is connected with an embedded support (not shown) embedded in the tower to ensure that the corbel 5 has sufficient bearing capacity. Because this embodiment is equipped with two rows of steel-pipe piles 1 along following the bridge to, then be equipped with 5 pad roof beams of bracket on the bracket 5 that two rows of steel-pipe piles 1 correspond, 5 pad roof beams of bracket extend along following the bridge to connect and be located same ascending bracket 5 of bridge. And the bracket 5 is provided with a bracket pad beam 51 extending along the bridge, and the bracket pad beam 51 is connected with the steel pipe pile 1 positioned on the same bridge along the upward direction.
The bailey frames 2 are arranged at the tops of the bearing beams 6, 321-type bailey pieces are adopted, 12 rows of the bailey pieces are arranged along the bridge direction, every two of the 12 rows of the bailey pieces can be divided into six groups, and a parallel connection (not marked) and an inclined strut (not marked) are arranged between each group of the bailey pieces so as to improve the stability of the bailey frames 2.
In addition, the both ends of bailey frame 2 still are equipped with connecting piece 21, in order to right bailey frame 2 extends and is connected with the pylon, thereby further improves bailey frame 2's stability, then improves the stability of the cast-in-place bottom end rail support frame of this application.
The distribution beams 3 are arranged on 6 groups of bailey plates along the transverse bridge direction, each distribution beam 3 comprises a standard area and an encryption area, the support range of each encryption area comprises two ends of the bailey frames 2 and the connecting pieces 21, and the support range of each standard area is located between the encryption areas at the two ends of each bailey frame 2. Specifically, distribution beam 3 interval 75cm in the standard region sets up, distribution beam 3 interval 37cm in the encryption region sets up to can connect the reinforcement to bailey frame 2 of its below, make horizontal bailey frame 2 can wholly atress, then improve the stability of this application cast-in-place lower beam support frame. Preferably, the distribution beams 3 of the present embodiment are all made of I25a steel.
And laying a steel die 4 on the distribution beam 3 within the range of a bottom plate of the precast lower cross beam to serve as a bottom die of the lower cross beam, preferably, the steel die 4 is a steel plate with the thickness of 6mm, and transverse ribs (not shown) with the spacing of 30cm are arranged on the steel plate, and preferably, the transverse ribs are [10 channel steel.
The cast-in-place lower beam support frame further comprises wall attaching pipes 7 extending horizontally along the transverse bridge, three groups of wall attaching pipes 7 are arranged along the height direction of the tower column, each group of wall attaching pipes 7 corresponds to two rows of the steel pipe piles 1 and is provided with two parallel wall attaching pipes 7, and the two wall attaching pipes 7 are attached to the corresponding steel pipe piles 1 respectively. Further, a parallel connection 71 penetrating through two rows of the steel pipe piles 1 is arranged between two wall-attached pipes 7 of each group, and seven parallel connections 71 are arranged corresponding to the 7 wall-attached pipes 7 in a single row one by one. And through attach wall pipe 7 and can improve the stability of steel-pipe pile 1 improves the stability of this application cast-in-place bottom end rail support frame then, simultaneously, attach wall pipe 7 still can double as the level of column to the pull rod to improve the stability of column in the bottom end rail process of pouring, with the compression deformation when reducing the column and pouring the bottom end rail. Preferably, the wall attaching pipe 7 adopted in the present embodiment has a model of phi 630 × 8 mm.
In the present embodiment, the bailey frames 2 are made of Q345 steel, and the remaining structures are made of Q235 steel. The steel materials, types, numbers, and the like used are not limited to those in the present embodiment, and may be selected according to construction requirements in other embodiments.
The utility model provides a cast-in-place bottom end rail support frame can realize the vertical setting of steel-pipe pile 1 through setting up bracket 5 on the column tower, avoids causing bearing capacity low, the unstable problem of structure because of the setting of 1 slope of steel-pipe pile for the support frame of this application has good structural stability, and simple structure. In addition, set up between the inboard both sides wall of column and attach wall pipe 7, when the wall that attaches as the support frame is in order to improve the support frame stability, still double as the level of column to the vaulting pole to ensure the stability of column in the lower beam pouring process.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (10)
1. The utility model provides a cast-in-place bottom end rail support frame which characterized by: including locating inboard steel-pipe pile, bailey frame, distribution beam and the steel mould of column, the steel-pipe pile sets up many along vertical extension and along the horizontal bridge to arranging, and the part is located the steel-pipe pile in column projection region supports through locating the bracket on the column, bailey frame is to extending and locating many along the horizontal bridge on the steel-pipe pile, the distribution beam is along extending along the bridge, just the distribution beam is equipped with many and is arranged along the horizontal bridge on the bailey frame, the steel mould is located in order as the bottom end rail die block on the distribution beam.
2. The cast-in-place lower beam support frame of claim 1, wherein: the steel pipe piles are provided with at least two rows along the bridge direction, a bearing beam is arranged between the top of each steel pipe pile and the Bailey truss, and the bearing beam extends along the bridge direction and is erected on the steel pipe piles in the at least two rows.
3. The cast-in-place lower beam support frame of claim 2, wherein: and a frame dropping wedge block is arranged at the top of the steel pipe pile, and the bearing beam is installed on the steel pipe pile through the frame dropping wedge block.
4. A cast-in-place lower cross beam support frame as claimed in claim 3, wherein: and a pile top pad beam is arranged between the top of the steel pipe pile and the falling frame wedge block.
5. The cast-in-place lower beam support frame of claim 2, wherein: the wall attaching pipe is characterized by further comprising wall attaching pipes extending along the transverse bridge direction, multiple groups of wall attaching pipes are symmetrically arranged along the height direction of the tower column, and each group of wall attaching pipes is provided with at least two steel pipe piles which correspond to each row respectively in a fitting mode.
6. The cast-in-place lower beam support frame of claim 5, wherein: and a parallel connection penetrating through the steel pipe piles is arranged between each group of the wall attaching pipes.
7. The cast-in-place lower beam support frame of claim 2, wherein: the bracket is connected with pre-buried support piece in the column, be equipped with on the bracket along the bracket pad roof beam of bridge extension, just the bracket pad roof beam is connected and is located same ascending steel-pipe pile in the same direction of bridge.
8. The cast-in-place lower beam support frame of claim 1, wherein: and connecting pieces are arranged at two ends of the Bailey frames to lengthen the Bailey frames and connect the Bailey frames with the tower columns.
9. The cast-in-place lower beam support frame of claim 8, wherein: the distribution beam comprises a standard area and an encryption area, the support range of the encryption area comprises two ends of the bailey truss and a connecting piece, and the support range of the standard area is located between the encryption areas at the two ends of the bailey truss;
the distribution beams in the standard area are arranged at intervals of 75cm, and the distribution beams in the encryption area are arranged at intervals of 37 cm.
10. A cast-in-place lower cross beam support frame as claimed in claim 1 or 9, wherein: the distribution beams are all made of I25a steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023194613.3U CN214362885U (en) | 2020-12-23 | 2020-12-23 | Cast-in-situ lower cross beam support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023194613.3U CN214362885U (en) | 2020-12-23 | 2020-12-23 | Cast-in-situ lower cross beam support frame |
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| Publication Number | Publication Date |
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| CN214362885U true CN214362885U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023194613.3U Active CN214362885U (en) | 2020-12-23 | 2020-12-23 | Cast-in-situ lower cross beam support frame |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775431A (en) * | 2022-04-13 | 2022-07-22 | 中交路桥建设有限公司 | Assembling and sliding support for large-tonnage steel cross beam of cable-stayed bridge cable tower |
| CN114775431B (en) * | 2022-04-13 | 2024-05-14 | 中交路桥建设有限公司 | Splicing sliding support for large-tonnage steel cross beam of cable-stayed bridge cable tower |
-
2020
- 2020-12-23 CN CN202023194613.3U patent/CN214362885U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775431A (en) * | 2022-04-13 | 2022-07-22 | 中交路桥建设有限公司 | Assembling and sliding support for large-tonnage steel cross beam of cable-stayed bridge cable tower |
| CN114775431B (en) * | 2022-04-13 | 2024-05-14 | 中交路桥建设有限公司 | Splicing sliding support for large-tonnage steel cross beam of cable-stayed bridge cable tower |
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