CN220166716U - Novel changeable bridge-canopy jointly builds dangerous rock falling stone protective structure - Google Patents
Novel changeable bridge-canopy jointly builds dangerous rock falling stone protective structure Download PDFInfo
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- CN220166716U CN220166716U CN202321361750.2U CN202321361750U CN220166716U CN 220166716 U CN220166716 U CN 220166716U CN 202321361750 U CN202321361750 U CN 202321361750U CN 220166716 U CN220166716 U CN 220166716U
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- protection structure
- falling stone
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- 239000011435 rock Substances 0.000 title claims abstract description 28
- 239000004575 stone Substances 0.000 title claims abstract description 22
- 230000001681 protective effect Effects 0.000 title claims abstract description 11
- 238000010276 construction Methods 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 abstract description 13
- 239000011241 protective layer Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003405 preventing effect Effects 0.000 description 3
- 238000012876 topography Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model provides a novel replaceable bridge-shed co-building dangerous rock falling stone protection structure, and belongs to the technical field of bridge structure building. The bridge dangerous rock falling stone protection structure solves the problems that an existing bridge dangerous rock falling stone protection structure is complex in construction, unfavorable for bridge piers and inconvenient to overhaul. The bridge comprises a plurality of first support columns arranged on one side of a bridge, a plurality of second support columns arranged on the other side of the bridge, a plurality of first longitudinal beams arranged on the first support columns and a plurality of second longitudinal beams arranged on the second support columns, wherein a protective layer formed by splicing a plurality of independent units is arranged on the first longitudinal beams and the second longitudinal beams, the independent units are positioned in the same plane, and a buffer layer is arranged on the protective layer. Because the protective layer is formed by splicing a plurality of independent units positioned in the same plane, when one independent unit is damaged, the independent unit can be independently replaced; structural design is reasonable, full play pier concrete material's compressive capacity, and the weight plays the reinforcing effect to bridge self stability through protective structure self.
Description
Technical Field
The utility model belongs to the technical field of bridge structure buildings, and relates to a novel replaceable bridge-shed combined construction dangerous rock falling stone protection structure.
Background
With the further development of infrastructure construction, more and more line engineering is built in mountain areas, and mountain geological conditions and topography conditions are often complex, especially in dangerous terrain and canyon deep sections near tunnel openings, the line engineering often passes through in a bridge-tunnel connection mode. Dangerous rock fall is one of the common mountain geological disaster types, and serious loss is caused to life safety and property safety of people. The bridge tunnel links to each other regional topography geological condition is good often adopts traditional passive protection network, open cut tunnel, shed tunnel etc. safeguard measure to protect the circuit, and traditional passive protection network stability is relatively poor.
For this reason, chinese patent discloses a rectangular protection structure for preventing falling rocks at tunnel portal [ authorized bulletin number CN214464202U ], comprising a rectangular protection main body structure, a buffer layer, a connecting longitudinal beam and a foundation pile; wherein the rectangular protective body structure comprises a vertical section and a horizontal section; one end of the vertical section is connected with the horizontal section, and the other end of the vertical section is fixed at the upper part of the foundation pile through a connecting longitudinal beam; the buffer layer is horizontally paved on the upper surface of the horizontal section. The structure needs to be provided with more independent foundations on two sides of the line, is difficult to implement for the sections with poor terrain and geological conditions, is unfavorable for river flood, and has long construction period, large engineering quantity and high construction cost.
For another example, chinese patent discloses a railway bridge pier and supported arch anti-falling stone structure [ application publication No. CN108716192a ], wherein a supported arch structure is longitudinally arranged above widened portions at two sides of the bridge pier top below a railway beam, the supported arch structure comprises two longitudinal arc-shaped arch ribs at two sides, a vertical support is arranged above the arch ribs, the upper part of the vertical support is fixedly connected with a horizontal longitudinal beam, and the horizontal longitudinal beam at the upper part is connected through a horizontal transverse support.
The structure adopts the arc-shaped arch rib, so that the construction is complex, the construction period is long, and the arc-shaped arch rib can generate horizontal thrust to the bridge pier and is unfavorable to the bridge pier. The existing protective structure is of an integral structure, and is inconvenient to overhaul and replace.
Disclosure of Invention
The utility model aims at solving the problems in the prior art and provides a novel bridge-shed combined construction dangerous rock falling protection structure which is convenient to overhaul.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a novel bridge-canopy is built dangerous rock falling stone protective structure jointly, includes a plurality of first support columns of locating bridge one side, a plurality of second support columns of locating the bridge opposite side, locates the first longeron on a plurality of first support columns and locates the second longeron on a plurality of second support columns, be equipped with the inoxidizing coating that is formed by the concatenation of a plurality of independent units on first longeron and the second longeron, a plurality of independent unit is located the coplanar, be equipped with the buffer layer on the inoxidizing coating.
The protective layer is formed by splicing a plurality of independent units positioned in the same plane, and when one independent unit is damaged, the independent unit can be independently replaced.
In the novel bridge-shed combined construction dangerous rock falling stone protection structure, the independent unit is a cross beam with one end being lapped on the first longitudinal beam, and the other end of the cross beam is lapped on the second longitudinal beam.
And a plurality of cross beams are spliced in a seamless manner along the length direction of the bridge, and when one of the cross beams is damaged, the damaged cross beam can be taken out and replaced with a new cross beam.
In the novel bridge-shed combined construction dangerous rock falling stone protection structure, the cross beam is T-shaped. The transverse beam consists of a transverse plate and a vertical plate, the upper end of the vertical plate is connected with the middle part of the lower side of the transverse plate into a whole, the lower end of the vertical plate is attached to the first longitudinal beam and the second longitudinal beam, and the side edge of the transverse plate is attached to the side edge of the transverse plate adjacent to the side edge of the transverse plate. The cross beam is set to be T-shaped, so that the overall weight of the cross beam is reduced, and transportation and replacement of the cross beam are facilitated.
In the novel bridge-shed combined construction dangerous rock falling stone protection structure, the buffer layer is a soil covering layer. The buffer layer is formed after the protective layer is covered with soil, grass is planted on the buffer layer, the buffer layer plays a role in buffering falling rocks, and the falling rocks preventing effect is achieved.
In the novel bridge-shed combined construction dangerous rock falling stone protection structure, the lower end of the first support column is fixedly connected to the bridge pier of the bridge, and the lower end of the second support column is also fixedly connected to the bridge pier. The first support column, the second support column and the bridge pier are repaired together, so that the overall rigidity is increased, and the shock resistance of the structure is enhanced.
In the novel bridge-shed combined construction dangerous rock falling stone protection structure, a connecting beam is arranged between the first longitudinal beam and the second longitudinal beam, one end of the connecting beam is fixedly connected with the first longitudinal beam, and the other end of the connecting beam is fixedly connected with the second longitudinal beam. Stability of the structure is enhanced by the connecting beam, which is generally located between the first support column and the second support column.
Compared with the prior art, the utility model discloses a dangerous rock falling stone protective structure is built jointly to removable bridge-canopy has following advantage: the protection scheme of the T-shaped cross beam is adopted, so that the components are small, the prefabrication and hoisting construction are convenient, the construction period is short, the damaged cross beam can be replaced conveniently and rapidly in the later period, and the influence on railway operation is reduced; the bridge has reasonable structural design, only generates vertical load, fully exerts the compressive capacity of the bridge pier concrete material, has a reinforcing effect on the stability of the bridge by the weight of the protective structure, and has smaller bridge pier size and economy under the equivalent condition; the first support column, the second support column and the bridge pier are subjected to joint repair, so that the structural rigidity is high, the anti-collision capability is high, and the driving safety and the flood discharging safety under the bridge of the mountain area high-speed railway are ensured; the protective layer is covered with soil to plant grass so as to form a buffer layer, so that the buffer effect on falling rocks is good, and the buffer layer corresponds to scenery in mountain areas, so that engineering construction and natural environment harmony and unification are realized.
Drawings
Fig. 1 is a schematic structural view of a novel replaceable bridge-shed combined dangerous rock fall protection structure provided by the utility model.
Fig. 2 is an end view schematic diagram of a beam provided by the present utility model.
In the figure, 1, a bridge; 2. a first support column; 3. a first stringer; 4. a cross beam; 41. a cross plate; 42. a vertical plate; 5. bridge piers; 6. and connecting the beams.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
The novel changeable bridge-canopy jointly builds dangerous rock falling stone protective structure as shown in fig. 1 for prevent falling stone to drop on the bridge 1, set up bridge pier 5 that sets gradually along bridge 1 length direction in the below of bridge 1, bridge 1 erects on bridge pier 5. This bridge 1 dangerous rock falling stone protective structure includes a plurality of first support columns 2 that locate bridge 1 one side, a plurality of second support columns of locating bridge 1 opposite side, locate the first longeron 3 on a plurality of first support columns 2 and locate the second longeron on a plurality of second support columns, a plurality of first support columns 2 set up with pier 5 one-to-one, the lower extreme of first support column 2 all links firmly on pier 5 that corresponds with it, a plurality of second support columns also set up with pier 5 one-to-one, the lower extreme of second support column all links firmly on pier 5 that corresponds with it.
In this embodiment, the first support column 2, the second support column and the bridge pier 5 are used for repairing together, so that the overall rigidity is increased, and the impact resistance of the structure is enhanced.
The first longitudinal beam 3 is parallel to the second longitudinal beam, the connecting beam 6 is arranged between the first longitudinal beam 3 and the second longitudinal beam, the connecting beam 6 is positioned between the first support column 2 and the second support column, one end of the connecting beam 6 is fixedly connected with the first longitudinal beam 3, and the other end of the connecting beam 6 is fixedly connected with the second longitudinal beam, so that the stability of the structure is enhanced.
The first longitudinal beam 3 and the second longitudinal beam are provided with protective layers formed by splicing a plurality of independent units, the independent units are positioned in the same plane, and the independent units can be independently replaced. A buffer layer is arranged on the protective layer. In this embodiment, form the buffer layer after the cover soil grass planting on the inoxidizing coating, play the cushioning effect to falling the stone, play the effect of preventing falling the stone.
In this embodiment, the independent unit is a cross member 4 having one end mounted on the first side member 3, and the other end of the cross member 4 is mounted on the second side member. And a plurality of cross beams 4 are spliced in a seamless manner along the length direction of the bridge 1, and when one of the cross beams 4 is damaged, the damaged cross beam 4 can be taken out and then replaced by a new cross beam 4.
As shown in fig. 2, the cross beam 4 is T-shaped, that is, the cross beam 4 is formed by a cross plate 41 and a vertical plate 42, the upper end of the vertical plate 42 is connected with the middle of the lower side of the cross plate 41 into a whole, the lower end of the vertical plate 42 is abutted against the first longitudinal beam 3 and the second longitudinal beam, and the side edge of the cross plate 41 is abutted against the side edge of the adjacent cross plate 41. The cross beam 4 is arranged to be T-shaped, so that the overall weight of the cross beam 4 is reduced, and transportation and replacement of the cross beam 4 are facilitated.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The utility model provides a novel removable bridge-canopy jointly builds dangerous rock falling stone protective structure, includes a plurality of first support columns (2) of locating bridge (1) one side, a plurality of second support columns of locating bridge (1) opposite side, locates first longeron (3) on a plurality of first support columns (2) and locates the second longeron on a plurality of second support columns, its characterized in that, be equipped with the inoxidizing coating that is formed by the concatenation of a plurality of independent units on first longeron (3) and the second longeron, a plurality of independent units are located the coplanar, be equipped with the buffer layer on the inoxidizing coating.
2. The novel replaceable bridge-shed co-construction dangerous rock fall protection structure according to claim 1, wherein the independent unit is a cross beam (4) with one end being lapped on the first longitudinal beam (3), and the other end of the cross beam (4) is lapped on the second longitudinal beam.
3. The novel replaceable bridge-shed co-construction dangerous rock fall protection structure according to claim 2, wherein the cross beams (4) are T-shaped.
4. The novel bridge-shed co-construction dangerous rock fall protection structure according to claim 1, wherein the buffer layer is a soil-covered layer.
5. The novel replaceable bridge-shed co-construction dangerous rock falling stone protection structure according to claim 1, wherein the lower end of the first support column (2) is fixedly connected to a pier (5) of the bridge (1), and the lower end of the second support column is also fixedly connected to the pier (5).
6. The novel bridge-shed combined construction dangerous rock falling stone protection structure according to claim 1, wherein a connecting beam (6) is arranged between the first longitudinal beam (3) and the second longitudinal beam, one end of the connecting beam (6) is fixedly connected with the first longitudinal beam (3), and the other end of the connecting beam (6) is fixedly connected with the second longitudinal beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321361750.2U CN220166716U (en) | 2023-05-31 | 2023-05-31 | Novel changeable bridge-canopy jointly builds dangerous rock falling stone protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321361750.2U CN220166716U (en) | 2023-05-31 | 2023-05-31 | Novel changeable bridge-canopy jointly builds dangerous rock falling stone protective structure |
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| Publication Number | Publication Date |
|---|---|
| CN220166716U true CN220166716U (en) | 2023-12-12 |
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| CN202321361750.2U Active CN220166716U (en) | 2023-05-31 | 2023-05-31 | Novel changeable bridge-canopy jointly builds dangerous rock falling stone protective structure |
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| CN (1) | CN220166716U (en) |
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2023
- 2023-05-31 CN CN202321361750.2U patent/CN220166716U/en active Active
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