CN213013878U - Ear wall structure for water conservancy bridge - Google Patents
Ear wall structure for water conservancy bridge Download PDFInfo
- Publication number
- CN213013878U CN213013878U CN202021309636.1U CN202021309636U CN213013878U CN 213013878 U CN213013878 U CN 213013878U CN 202021309636 U CN202021309636 U CN 202021309636U CN 213013878 U CN213013878 U CN 213013878U
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- CN
- China
- Prior art keywords
- wall body
- wall
- water conservancy
- earwall
- support column
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 230000008093 supporting effect Effects 0.000 claims abstract description 50
- 239000004567 concrete Substances 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 239000002689 soil Substances 0.000 claims abstract description 16
- 230000002787 reinforcement Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 210000003127 knee Anatomy 0.000 description 8
- 239000011150 reinforced concrete Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000003221 ear drop Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The application relates to a water conservancy bridge used earwall structure, which comprises two oppositely arranged walls, a plurality of dry concrete support columns and a plurality of channel steel, wherein the concrete support columns and the channel steel are supported at two side surfaces of the walls at intervals; the upper surface and the lower surface of the wall body are provided with the supporting platforms, so that the stress area of the wall body in the vertical direction is increased, the stress strength in unit area is reduced, and the compression resistance and the stability of the wall body are improved; wall body bottom surface is equipped with the fashioned fixed column of integrative pouring and can strengthens the joint strength between earning and abutment and the bridgehead fill out, has the effect of consolidating the bridgehead and fill out. This application has the stable support and fills out between soil, increase wall body pressurized area, strengthen the side support effect and slow down the effect that wall body fracture phenomenon appears between abutment and bridgehead.
Description
Technical Field
The application relates to the technical field of a wall structure, in particular to a wall structure for a water conservancy bridge.
Background
The ear walls are side walls on two sides of the U-shaped abutment and are positioned on two sides behind the abutment, so that a safety supporting effect is achieved, meanwhile, an effect of supporting the bridge head butt strap can be achieved, the ear walls are used for restraining a soil foundation on the back of the abutment, and the phenomenon of bridge head jumping caused by sinking of the soil foundation is prevented.
The existing ear wall structure is a trapezoidal support thin wall and a square support thin wall, the trapezoidal support thin wall and the square support thin wall are integrally formed by pouring reinforced concrete, the side surfaces are flat planes, the whole thickness of the ear wall is the same, and the inclination angle of the bottom surface of the ear wall is the same as the gradient of a table back soil body, so that the ear wall can be supported on the table back soil body.
In view of the above-mentioned related technologies, the inventor believes that there are defects that the side of the ear wall is flat and unsupported, and cracks are easily generated after being pressed and damped, so that the structural strength is affected, and collapse caused by insufficient side support is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the not enough problem of otic placode side support intensity among the prior art, this application provides a otic placode structure for water conservancy bridge.
The application provides a pair of earwall structure for water conservancy bridge adopts following technical scheme:
the utility model provides a water conservancy is eared wall structure for bridge, includes the wall body of two relative settings, if dry concrete support column and a plurality of channel-section steel, concrete support column and channel-section steel interval support are in wall body both sides face, the wall body supports in abutment both sides.
Through adopting above-mentioned technical scheme, the wall body side is equipped with concrete support column and channel-section steel, has strengthened the support intensity of wall body side, and reinforced concrete structure can make the total strength of otic placode bigger simultaneously, and concrete support column and channel-section steel interval support can support the wall body from both sides simultaneously at wall body both sides face, have slowed down phenomenons such as the fracture that produces after the wall body pressurized, prolong the life of otic placode.
Preferably, the wall body comprises a square support wall and a trapezoidal support wall, and support platforms are arranged on the upper surface and the lower surface of the square support wall and the trapezoidal support wall.
By adopting the technical scheme, the supporting platforms are arranged on the upper surface and the lower surface of the square supporting wall and the trapezoidal supporting wall, so that the stress area of the upper surface and the lower surface of the wall body is increased, and the compression resistance and the stability of the wall body are improved.
Preferably, the width of the supporting platform is larger than the thickness of the wall body, and the supporting platform symmetrically protrudes out of two sides of the wall body.
By adopting the technical scheme, the supporting platform symmetrically protrudes out of the two sides of the wall body, so that the two sides of the wall body are stressed uniformly, and the phenomenon that the independent part is damaged due to nonuniform stress is reduced.
Preferably, the upper end and the lower end of the concrete support column and the upper end and the lower end of the channel steel are both connected to the supporting platform.
Through adopting above-mentioned technical scheme, both ends are connected about concrete support column and the channel-section steel and can disperse the pressure that the part of supporting platform protrusion wall body received on supporting platform, prolong supporting platform's life, make supporting platform have stronger compressive capacity.
Preferably, the concrete support column is internally provided with support steel bars, and the support steel bars are connected with a steel bar cage in the wall body into a whole.
Through adopting above-mentioned technical scheme, the inside support reinforcement that erects of concrete support column can improve the support intensity of concrete support column, increases the compressive capacity of wall body side.
Preferably, the channel steel and the concrete support columns are arranged on the side face of the wall body at equal intervals, the concrete support columns and the wall body are integrally formed, and the channel steel is fixed on the side face of the wall body through expansion bolts.
Through adopting above-mentioned technical scheme, the compressive capacity of wall body has further been strengthened to the integrated into one piece structure of concrete support column and wall body, and the integrated into one piece structure can link to each other the reinforcing bar in the concrete support column and the wall body, reinforcing wall body steadiness, and equidistant range of channel-section steel and concrete support column can make channel-section steel and concrete support column atress even, reinforcing wall body stability.
Preferably, the supporting platform on the upper surface of the trapezoidal supporting wall is provided with side guard plates, and a space for placing the bridge head butt strap is formed between the side guard plates of the two walls.
Through adopting above-mentioned technical scheme, the position of bridgehead attachment strap has been injectd to the side guard plate on the supporting platform, and supporting platform width in width can give more supports of bridgehead attachment strap simultaneously in the wall body thickness, slows down the influence of bridgehead filling collapse to the bridgehead attachment strap.
Preferably, the lower surfaces of the square supporting wall and the trapezoidal supporting wall are provided with a plurality of fixing columns perpendicular to the supporting platform, and the fixing columns are embedded in the abutment and the bridge head filling soil.
Through adopting above-mentioned technical scheme, the fixed column can make the wall body firm and connect in abutment and bridgehead fill out soil, can play firm bridgehead fill out soil simultaneously, slows down the subsidence of bridgehead fill out soil.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the concrete support columns and the channel steel are arranged on the side faces of the wall body, so that the support strength of the side faces of the wall body is enhanced, the layering sense of the side faces of the wall body is increased, and a certain decorative effect is achieved;
2. the supporting steel bars are erected in the concrete supporting columns, so that the supporting strength of the concrete supporting columns can be improved, and the pressure resistance of the side faces of the wall body is improved;
3. the wall body bottom surface is equipped with the fixed column and can makes the wall body firm to be connected in abutment and bridgehead fill out soil, can play firm bridgehead fill out soil simultaneously, slows down the subside of bridgehead fill out soil.
Drawings
Fig. 1 is a schematic view of the present application in its overall structure.
Fig. 2 is a schematic view of the structure of the single-sided ear wall of the present application.
Fig. 3 is a schematic top cross-sectional structural view of the present application.
Description of reference numerals: 1. a wall body; 11. a square support wall; 12. a trapezoidal support wall; 13. a support platform; 14. a side guard plate; 2. a concrete support column; 21. supporting the reinforcing steel bars; 3. channel steel; 31. an expansion bolt; 4. an abutment; 5. and (5) fixing the column.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a water conservancy is eared wall structure for bridge. Referring to fig. 1 and 2, the eardrop includes wall body 1 that two relative reinforced concrete that set up made, a plurality of concrete support column 2 and a plurality of channel-section steel 3 of connecting in wall body 1 side through expansion bolts 31 with wall body 1 integrative pouring shaping, concrete support column 2 is the same with channel-section steel protrusion wall body 1's thickness, concrete support column 2 and channel-section steel 3 height are the same with wall body 1 height, concrete support column 2 and channel-section steel 3 equidistant connection are in two sides of two wall bodies 1, the arrangement is equipped with a channel-section steel 3 between two concrete support column 2, be equipped with a concrete support column 2 between two channel-section steels 3, interval between per two adjacent concrete support column 2 and the channel-section steel 3 equals, can guarantee that the holding power that wall body 1 side received is the same, can slow down phenomenons such as the fracture that wall body 1 produced because of.
Be equipped with on the supporting platform 13 of trapezoidal knee wall 12 upper surface with wall body 1 integrated into one piece's side guard plate 14, side guard plate 14 height is the same with the bridgehead attachment strap height, side guard plate 14 length is as long as trapezoidal knee wall 12, the width is half of supporting platform 13, side guard plate 14 sets up relatively on two earwalls, a supporting platform 13 terminal surface is connected to side guard plate 14 one end, keep away from each other between the side guard plate 14, leave the space of holding bridgehead attachment strap, supporting platform 13 between the side guard plate 14 can support the bridgehead attachment strap simultaneously.
Referring to fig. 2 and 3, a steel bar is embedded in the center of the concrete support column 2, the concrete support column 2 is of a regular quadrangular prism structure, and the concrete support columns 2 and the channel steel 3 on the two side surfaces of the wall body 1 are symmetrically arranged with respect to the wall body 1.
Referring to fig. 2, a plurality of fixing columns 5 made of reinforced concrete and perpendicular to a supporting platform 13 are arranged on the lower surfaces of a square supporting wall 11 and a trapezoid supporting wall 12, the fixing columns 5 and a wall body are integrally cast, the fixing columns 5 at the bottom of the square supporting wall 11 are embedded in an abutment 4, and the fixing columns 5 at the bottom of the trapezoid supporting wall 12 are embedded in filling soil at the bridge head.
The implementation principle of a water conservancy is earwall structure for bridge does: the concrete support columns 2 and the channel steel 3 are uniformly arranged on the side faces of the ear wall for supporting, so that the pressure on the ear wall can be dispersed; the upper surface and the lower surface of the wall body 1 are provided with the supporting platforms 13, so that the stress area of the wall body 1 is enlarged, and the stress strength in unit area is reduced; 1 bottom surface of wall body is equipped with integrally cast fashioned fixed column 5 and can strengthens the joint strength between eardrop and abutment 4 and the bridgehead soil filling, has the effect of consolidating the bridgehead soil filling.
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 water conservancy is eared wall structure for bridge which characterized in that: including wall body (1), a plurality of dry concrete support column (2) and a plurality of channel-section steel (3) of two relative settings, concrete support column (2) and channel-section steel (3) interval support are in wall body (1) both sides face, wall body (1) supports in abutment (4) both sides.
2. The water conservancy is earwall structure for bridge according to claim 1, characterized in that: the wall body (1) comprises a square support wall (11) and a trapezoidal support wall (12), wherein the upper surface and the lower surface of the square support wall (11) and the upper surface and the lower surface of the trapezoidal support wall (12) are respectively provided with a support platform (13).
3. The water conservancy is earwall structure for bridge according to claim 2, characterized in that: the width of the supporting platform (13) is larger than the thickness of the wall body (1), and the supporting platform symmetrically protrudes out of two sides of the wall body (1).
4. The water conservancy is earwall structure for bridge according to claim 2, characterized in that: and the upper end and the lower end of the concrete support column (2) and the upper end and the lower end of the channel steel (3) are both connected to the supporting platform (13).
5. The water conservancy is earwall structure for bridge according to claim 4, characterized in that: the concrete support column (2) is internally provided with support steel bars (21), and the support steel bars (21) are connected with a steel reinforcement cage in the wall body (1) into a whole.
6. The water conservancy is earwall structure for bridge according to claim 4, characterized in that: channel-section steel (3) and concrete support column (2) equidistant range are in wall body (1) side, concrete support column (2) and wall body (1) integrated into one piece, channel-section steel (3) are fixed in wall body (1) side through expansion bolts (31).
7. The water conservancy is earwall structure for bridge according to claim 2, characterized in that: the side guard plates (14) are arranged on the supporting platform (13) on the upper surface of the trapezoidal supporting wall (12), and a space for placing a bridge head butt strap is formed between the side guard plates (14) of the two walls (1).
8. The water conservancy is earwall structure for bridge according to claim 2, characterized in that: the lower surfaces of the square supporting wall (11) and the trapezoidal supporting wall (12) are provided with a plurality of fixing columns (5) perpendicular to the supporting platform (13), and the fixing columns (5) are buried in the abutment (4) and the bridge head filling soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309636.1U CN213013878U (en) | 2020-07-06 | 2020-07-06 | Ear wall structure for water conservancy bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309636.1U CN213013878U (en) | 2020-07-06 | 2020-07-06 | Ear wall structure for water conservancy bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213013878U true CN213013878U (en) | 2021-04-20 |
Family
ID=75500726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021309636.1U Expired - Fee Related CN213013878U (en) | 2020-07-06 | 2020-07-06 | Ear wall structure for water conservancy bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213013878U (en) |
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2020
- 2020-07-06 CN CN202021309636.1U patent/CN213013878U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 |