CN214939166U - Impact-resistant trestle for continuous rigid frame bridge construction - Google Patents
Impact-resistant trestle for continuous rigid frame bridge construction Download PDFInfo
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- CN214939166U CN214939166U CN202120889187.0U CN202120889187U CN214939166U CN 214939166 U CN214939166 U CN 214939166U CN 202120889187 U CN202120889187 U CN 202120889187U CN 214939166 U CN214939166 U CN 214939166U
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Abstract
The utility model belongs to the technical field of bridge engineering, and particularly discloses an impact-resistant trestle for continuous rigid frame bridge construction, which comprises a plurality of groups of steel pipe pile frames, wherein each steel pipe pile frame comprises a plurality of connecting columns and four steel pipe columns which are enclosed into a rectangle, the steel pipe columns are used for being inserted into soil under a bridge, two adjacent steel pipe columns are connected through the plurality of connecting columns, and a shear brace is obliquely connected between two adjacent steel pipe columns; a bearing beam is arranged on the steel pipe pile frame, and a Bailey sheet is fixed on the upper frame of the bearing beam; a distribution beam is fixed at the upper end of the Bailey sheet, and a bridge deck is installed on the distribution beam; the Bailey pieces are perpendicular to the bearing beams, and the distribution beams are perpendicular to the Bailey pieces. Compared with the prior art, the design of the steel pipe pile frame is adopted by the trestle, the whole impact resistance acting force is improved, and the trestle can bear the impact of flood.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering, a landing stage that shocks resistance is used in construction of continuous rigid frame bridge is specifically disclosed.
Background
The continuous rigid frame bridge is a continuous beam bridge formed by solidifying pier beams, and is a multi-span rigid frame bridge and a multi-span continuous-rigid frame bridge which are divided into main spans as continuous beams, both adopt prestressed concrete structures, have more than two main piers and adopt a pier beam solidification system, and has the advantages of a T-shaped steel frame bridge and a continuous beam bridge. With the progress of science and technology, continuous rigid frame bridges are applied more and more due to small construction difficulty, low manufacturing cost and strong spanning capability.
In the process of building the continuous rigid frame bridge according to the construction requirements, particularly when a water-crossing bridge is built on water, a construction trestle needs to be built in advance for the convenience of construction on the water surface, so that the construction materials for building the main bridge can be transported more conveniently. The construction trestle is a temporary bridge for traveling hoisting and transporting machinery, consists of a pier and a beam span structure, and can directly serve for construction. In order to avoid influencing the appearance and avoiding blocking river water conservancy and ships, the construction trestle is dismantled and evacuated after the main bridge is finished and accepted.
In a construction period of generally constructing a continuous rigid frame bridge, a construction trestle needs to be used for a long time, water flow in a river is very turbulent due to excessive flood in summer due to climate reasons, if the construction trestle is not evacuated in a flood period, the construction trestle can be subjected to great impact force, the construction trestle needs to have an impact resistance effect, and the existing support structure at the lower end of the construction trestle supports the construction trestle by using steel pipe columns, so that the impact resistance effect is small due to simple and stable structure.
Disclosure of Invention
An object of the utility model is to provide a continuous rigid frame bridge construction is with landing stage that shocks resistance to solve the current little problem of construction antenatal impact resistance.
In order to achieve the above object, the basic scheme of the utility model is: the shock-resistant trestle for the construction of the continuous rigid frame bridge comprises a plurality of groups of steel pipe pile frames, wherein each steel pipe pile frame comprises a plurality of connecting columns and four steel pipe columns which enclose a rectangle, the steel pipe columns are used for being inserted into soil under the bridge, two adjacent steel pipe columns are connected through the plurality of connecting columns, and a shear brace is obliquely connected between the two adjacent steel pipe columns; a bearing beam is arranged on the steel pipe pile frame, and a Bailey sheet is fixed on the upper frame of the bearing beam; a distribution beam is fixed at the upper end of the Bailey sheet, and a bridge deck is installed on the distribution beam; the Bailey pieces are perpendicular to the bearing beams, and the distribution beams are perpendicular to the Bailey pieces.
The working principle of the basic scheme is as follows: in the process of building the continuous rigid frame bridge according to the construction requirements, the continuous rigid frame bridge can be built by adopting the trestle as the construction trestle, when the trestle is used, the steel pipe column of the steel pipe pile frame is inserted into soil under the bridge, so that the steel pipe pile frame is integrally fixed in the soil under the bridge and is connected through the steel pipe column, the connecting column and the shear support, the integral steel pipe pile bridge is more stable than the independent steel pipe column, and the trestle can bear the impact force of flood in the use process. Spandrel girder, bailey piece, distribution beam and decking are convenient for whole the building of this landing stage, and this landing stage stable in structure is then convenient for to its mutual position.
The beneficial effect of this basic scheme lies in:
1. through the steel pipe pile frame, realize that this landing stage bridge lower part is stable, and then make this landing stage bridge's impact resistance strengthen greatly.
2. The steel pipe pile frame will be more as an organic whole through spliced pole and shear brace connection with the steel-pipe column, and the shear brace slope sets up the whole more stable of steel pipe pile frame, and then makes this landing stage part under water more stable, further can bear the impact force of flood.
Compared with the prior art, the design of the steel pipe pile frame is adopted by the trestle, the whole impact resistance acting force is improved, and the trestle can bear the impact of flood.
Furthermore, two adjacent steel pipe columns are connected through two connecting columns, and the steel pipe columns, the connecting columns and the shear brace form a triangle.
Triangle-shaped can make steel pipe pile frame structure more stable, further makes this landing stage can bear bigger flood impact.
Furthermore, a bracket support is arranged on the bearing beam, and the bearing beam is installed and fixed on the steel pipe column through the bracket support.
The bracket supports the border and installs the spandrel girder on the steel pipe column.
Furthermore, guardrails are installed on two sides of the bridge deck.
Through installing the guardrail on the decking, and then the security when having improved the staff and walk on the decking.
Furthermore, the multiple groups of steel pipe pile frames are uniformly arranged at intervals.
Can make steel pipe pile frame structure more stable, further make this landing stage can bear bigger flood impact.
Furthermore, a plurality of anti-impact units are arranged on the steel pipe column, and each anti-impact unit comprises a circular ring connected with the steel pipe column in a rotating mode and an impact part fixed on the circular ring.
When this landing stage suffered the flood impact, the flood would impact the steel-pipe column that is located the aquatic, and the unit of shocking resistance on the steel-pipe column would receive impact force, rotates on the steel-pipe column, and impact portion then can disperse the impact force of flood to further make this landing stage can bear bigger flood impact.
Further, the impact part is conical, and the length of the impact part is equal to the diameter of the steel pipe column.
The impact part is set in a conical shape and the length of the impact part is set, so that the impact part and the steel pipe column are matched to disperse the impact force of flood.
Further, an anti-impact unit is arranged at each 0.5m part of the underwater steel pipe column.
The setting of unit that shocks resistance is convenient for the impact force of steel-pipe column dispersion flood, further makes this landing stage can bear bigger flood impact.
Furthermore, a plurality of bulges are arranged on one side of the circular ring opposite to the impact part, and the height of each bulge is 3-5 cm.
The impact force of flood to the steel pipe column is convenient to disperse.
Further, the impact-resistant unit is made of plastic.
The anti-impact unit is lighter in weight and convenient to install.
Drawings
FIG. 1 is a schematic view of an embodiment 1 of the impact-resistant trestle for the construction of the continuous rigid frame bridge of the utility model;
fig. 2 is a schematic structural view of a steel pipe pile frame in embodiment 1;
fig. 3 is a schematic structural view of an impact resistant unit in embodiment 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the steel pipe pile frame comprises a steel pipe pile frame 1, a steel pipe column 11, a connecting column 12, a shear support 13, a bearing beam 2, a corbel support 21, a Bailey sheet 3, a distribution beam 4, a bridge deck 5, a guardrail 6, an impact resisting unit 7, a circular ring 71, an impact part 72 and a protrusion 73.
Example 1
As shown in figures 1 and 2, the anti-impact trestle for continuous rigid frame bridge construction comprises a plurality of groups of steel pipe pile frames 1, wherein the steel pipe pile frames 1 are arranged according to the length of the required trestle, and are uniformly arranged at intervals. Steel pipe pile frame 1 includes many spliced poles 12 and four steel pipe columns 11 that enclose into the rectangle, in steel pipe column 11 was used for inserting the earth of under-bridge aquatic, connect through many spliced poles 12 between two adjacent steel pipe columns 11, be connected with two spliced poles 12 between two adjacent steel pipe columns 11 in this embodiment, the slope is connected with the shear force between two adjacent steel pipe columns 11 and props 13, in order to make steel pipe pile frame 1 more firm steel pipe column 11, spliced pole 12 props 13 with the shear force and encloses into triangle-shaped.
Install spandrel girder 2 on the steel pipe pile frame 1, spandrel girder 2 has mainly been located the upper end of a row of steel-pipe column 11, has set up bracket support 21 on spandrel girder 2, and bracket support 21 is fixed the installation of spandrel girder 2 to steel-pipe column 11. The bailey piece 3 is fixed on the upper frame of the bearing beam 2, the bailey piece 3 is perpendicular to the bearing beam 2, and the bailey piece 3 is fixed through bolts. The upper end of the Bailey sheet 3 is fixed with a distribution beam 4, the distribution beam 4 is fixed with the Bailey sheet 3 through the Rooshan, and the distribution beam 4 is vertical to the Bailey sheet 3. The distribution beam 4 is provided with a bridge deck 5, and two sides of the bridge deck 5 are provided with guardrails 6 for protecting the construction safety.
The specific implementation process is as follows: in the process of building the continuous rigid frame bridge according to the construction requirements, the continuous rigid frame bridge can be built by adopting the trestle as the construction trestle, when the trestle is installed, the steel pipe column 11 of the steel pipe pile frame 1 is inserted into soil under the trestle, so that the steel pipe pile frame 1 is integrally fixed in the soil under the trestle, the connection is carried out through the steel pipe column 11, the connecting column 12 and the shear support 13, the integral steel pipe pile bridge is more stable than the independent steel pipe column 11, and the trestle can bear the impact force of flood in the use process. Spandrel girder 2, bailey piece 3, distribution beam 4 and decking 5 are convenient for whole of this landing stage to build, and this landing stage stable in structure is then convenient for to its mutual position.
Example 2
The present embodiment is different from embodiment 1 in that, as shown in fig. 3, a plurality of anti-impact units 7 are provided on a steel pipe column 11 in the present embodiment, and in the present embodiment, it is preferable to provide one anti-impact unit 7 for each 0.5m of the underwater portion of the steel pipe column 11; the impact resisting unit 7 comprises a circular ring 71 rotatably connected with the steel pipe column 11 and an impact part 72 fixed on the circular ring 71, wherein the impact part 72 is conical, and the length of the impact part 72 is equal to the diameter of the steel pipe column 11. A plurality of protrusions 73 are provided on the side of the ring 71 opposite to the impact portion 72, in this embodiment the protrusions 73 are conical, and the height of the protrusions 73 is 3-5 cm. In this embodiment, the impact-resistant unit 7 is made of plastic material.
When the landing stage in this embodiment suffers the flood impact, the flood will strike the steel-pipe column 11 that is located aquatic, anti impact unit 7 on the steel-pipe column 11 will receive impact force, rotate on steel-pipe column 11, impact portion 72 is under the impact force of flood, impact portion 72 will be strikeed one side that steel-pipe column 11 does not receive flood force, this moment because impact portion 72 can bear the impact force of flood along steel-pipe column 11 for the toper, and the impact force of dispersion flood, thereby further make this landing stage can bear bigger flood impact. And the bulge 73 on the circular ring 71 is opposite to the impact part 72, so that the bulge 73 can be opposite to the impact action force of the flood, and the conical bulge 73 can disperse the impact action of the flood, thereby further reducing the flood impact action born by the steel pipe column 11.
The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Continuous rigid frame bridge construction is with landing stage that shocks resistance, its characterized in that: the steel pipe pile frame comprises a plurality of groups of steel pipe pile frames, each steel pipe pile frame comprises a plurality of connecting columns and four steel pipe columns which are enclosed into a rectangle, the steel pipe columns are used for being inserted into soil under a bridge, two adjacent steel pipe columns are connected through the plurality of connecting columns, and a shear brace is obliquely connected between the two adjacent steel pipe columns; a bearing beam is arranged on the steel pipe pile frame, and a Bailey sheet is fixed on the upper frame of the bearing beam; a distribution beam is fixed at the upper end of the Bailey sheet, and a bridge deck is installed on the distribution beam; the Bailey pieces are perpendicular to the bearing beams, and the distribution beams are perpendicular to the Bailey pieces.
2. The impact-resistant trestle bridge for continuous rigid frame bridge construction according to claim 1, wherein two adjacent steel pipe columns are connected through two connecting columns, and the steel pipe columns, the connecting columns and the shear brace form a triangle.
3. The impact-resistant trestle for continuous rigid frame bridge construction according to claim 2, wherein a corbel support is arranged on the bearing beam, and the corbel support is used for installing and fixing the bearing beam on the steel pipe column.
4. The impact-resistant trestle for continuous rigid frame bridge construction according to claim 3, wherein guardrails are installed on both sides of the bridge deck.
5. The impact-resistant trestle for continuous rigid frame bridge construction according to claim 4, wherein multiple groups of steel pipe pile frames are uniformly arranged at intervals.
6. The impact-resistant trestle for continuous rigid frame bridge construction according to claim 5, wherein a plurality of impact-resistant units are arranged on the steel pipe column, and each impact-resistant unit comprises a circular ring rotatably connected with the steel pipe column and an impact part fixed on the circular ring.
7. The impact-resistant trestle for construction of continuous rigid frame bridges according to claim 6, wherein the impact part is tapered, and the length of the impact part is equal to the diameter of the steel pipe column.
8. The impact-resistant trestle for continuous rigid frame bridge construction according to claim 7, wherein one impact-resistant unit is provided for each 0.5m of the underwater portion of the steel pipe column.
9. The impact-resistant trestle for continuous rigid frame bridge construction according to claim 8, wherein a plurality of protrusions are arranged on the side of the circular ring opposite to the impact part, and the height of the protrusions is 3-5 cm.
10. The impact-resistant trestle for continuous rigid frame bridge construction according to claim 9, wherein the impact-resistant unit is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120889187.0U CN214939166U (en) | 2021-04-27 | 2021-04-27 | Impact-resistant trestle for continuous rigid frame bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120889187.0U CN214939166U (en) | 2021-04-27 | 2021-04-27 | Impact-resistant trestle for continuous rigid frame bridge construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214939166U true CN214939166U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120889187.0U Active CN214939166U (en) | 2021-04-27 | 2021-04-27 | Impact-resistant trestle for continuous rigid frame bridge construction |
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| CN (1) | CN214939166U (en) |
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2021
- 2021-04-27 CN CN202120889187.0U patent/CN214939166U/en active Active
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