CN213773294U - Assembly type bridge sunken hydrophilic footpath - Google Patents
Assembly type bridge sunken hydrophilic footpath Download PDFInfo
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- CN213773294U CN213773294U CN202022670498.6U CN202022670498U CN213773294U CN 213773294 U CN213773294 U CN 213773294U CN 202022670498 U CN202022670498 U CN 202022670498U CN 213773294 U CN213773294 U CN 213773294U
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Abstract
The utility model discloses a hydrophilic pavement of formula of sinking under assembled bridge. The assembly type bridge lower-sinking type hydrophilic footpath comprises a prefabricated square pile component, a prefabricated footpath cantilever plate and a prefabricated footpath rear butt strap, wherein the bottom of the prefabricated square pile component is used for being inserted into soil; the prefabricated footpath cantilever plate comprises a transverse plate and a vertical plate, the top end of the vertical plate is connected to the bottom surface of the transverse plate, the bottom end of the vertical plate extends downwards into the soil, the transverse plate is provided with a first opening which is communicated up and down, and the prefabricated footpath cantilever plate is connected to the top of the prefabricated square pile component through the first opening; the prefabricated footpath back butt strap is correspondingly provided with a second open hole which is communicated up and down, and the prefabricated footpath back butt strap is arranged above the prefabricated footpath cantilever plate and is connected to the top of the prefabricated square pile component through the second open hole. The hydrophilic pavement realizes the function integration of the revetment retaining wall and the hydrophilic pavement, and has obvious advantages compared with the traditional structure in space limited areas such as underbridge nodes and the like.
Description
Technical Field
The utility model relates to a river course engineering construction technical field, in particular to hydrophilic pavement of formula of sinking under assembled bridge.
Background
In order to realize the communication of the slow-walking footpath system on the riverway, a hydrophilic footpath needs to be built at a node below the bridge. The bridge below often the space is narrow and small, the headroom is not enough, and the pier causes great hindrance to the construction.
In the prior art, a hydrophilic footpath is laid behind a river bank protection, and accumulated water is easily formed due to the low elevation of the hydrophilic footpath. The bank protection construction usually needs cast-in-place concrete members below the water level, the construction interface is large, the period is long, and the river channel is occupied by filling cofferdams for a long time. And the hydrophilic pavement on water of conventional double row stake arranges the cover surface of water, has the encroachment of certain degree to the water area, influences the river course and floods drainage waterlogging, leads to the fact the influence to functions such as river navigation. A retaining wall needs to be additionally built behind the existing hydrophilic footpath, the requirement on space is high, and if the width of the original riverway needs to be maintained, bridge span must be increased, and investment is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a sunken hydrophilic pavement under assembled bridge in order to overcome among the prior art conventional hydrophilic pavement and use the defect that has the limitation on peripheral place environmental restriction and bad ground river course.
An assembled under-bridge submersible hydrophilic walkway, comprising:
the prefabricated square pile component is used for being inserted into soil at the bottom;
the prefabricated footpath cantilever plate comprises a transverse plate and a vertical plate, the top end of the vertical plate is connected to the bottom surface of the transverse plate, the bottom end of the vertical plate extends downwards into the soil, the transverse plate is provided with a first through hole which is communicated up and down, and the prefabricated footpath cantilever plate is connected to the top of the prefabricated square pile component through the first through hole;
the prefabricated pavement rear butt strap is correspondingly provided with a second open hole which is communicated up and down, and the prefabricated pavement rear butt strap is arranged above the prefabricated pavement cantilever plate and is connected to the top of the prefabricated square pile component through the second open hole.
In this scheme, the riser can play the effect of retaining soil on the one hand, and on the other hand can balance the overturning moment that the diaphragm produced, and prefabricated square pile component is used for assuming the horizontal soil pressure of the vertical load and the riser transmission on upper portion. The assembly type submerged hydrophilic pavement under the bridge is simple in structure and small in occupied area, realizes function integration of a bank protection retaining wall and the hydrophilic pavement, and has obvious advantages in space limited areas such as under-bridge nodes and the like compared with the traditional structure; the disturbance to the bank slope of the natural river is reduced while the soil body behind the wall is kept stable, the water surface occupied by the river is small, and the method is suitable for narrow riverside space; according to the scheme, the retaining wall higher than the footpath is not arranged on the outer side of the footpath, so that accumulated water is not formed when the water level is withdrawn, and the problem of the accumulated water of the traditional sunken footpath is solved; meanwhile, the space under the bridge is expanded, and a better hydrophilic effect is achieved; the device is formed by assembling various components, so that the adaptability is good, and the flexibility is good; retaining walls with different heights can be configured to meet different retaining height requirements, and different pavement heights can be set according to water level data; when the components need to be reformed again in future, the components can be orderly dismantled, waste concrete is not left in the soil body, and the influence on ecology is reduced; the components are prefabricated according to factory standards, so that the types of the components are greatly reduced, and the mass production is realized; the cost is low, the universality is good, the construction step of large-range cast-in-place concrete is avoided, the field construction period is shortened, the construction quality is good, and the environmental influence is small; the field installation does not need strict dry land construction conditions, and the construction can be carried out on water, so that the influence on river channel shipping and flood discharge caused by long-time occupation of the filled cofferdam on the river channel is avoided.
Preferably, the diaphragm includes first diaphragm and second diaphragm of interconnect, the height of second diaphragm is higher than first diaphragm, first trompil setting is in on the first diaphragm, prefabricated pavement back attachment strap sets up the top of first diaphragm.
In this scheme, adopt above-mentioned structural style for the vertical load on upper portion and the horizontal pressure of riser transmission can be born to prefabricated square pile component.
Preferably, the top surface of the second transverse plate is flush with the top surface of the prefabricated footpath back access plate.
In this scheme, prefabricated pavement back butt strap has balanced prefabricated pavement cantilever slab, and prefabricated pavement back butt strap and prefabricated pavement cantilever slab form the road surface of hydrophilic pavement together.
Preferably, the first transverse plate is symmetrically provided with two first holes, the prefabricated footpath back butt strap is symmetrically provided with two second holes, and each prefabricated footpath cantilever plate is connected with two prefabricated square pile components.
In this scheme, adopt above-mentioned structural style, strengthened the stability of the hydrophilic pavement of formula of sinking under the assembled bridge.
Preferably, the top end of the vertical plate is connected to one end of the first transverse plate far away from the second transverse plate.
Preferably, the risers are arranged to abut against the sides of the prefabricated square pile element.
In this scheme, adopt above-mentioned structure setting for the riser can be to prefabricated square pile component transmission horizontal pressure.
Preferably, the prefabricated square pile member has a pile foundation bracket provided at an upper portion thereof to support the prefabricated footpath cantilever plate.
In this scheme, prefabricated pavement cantilever plate can erect on the pile foundation bracket.
Preferably, a gap between the first opening or the second opening and the prefabricated square pile member is filled with plain concrete.
In this scheme, adopt above-mentioned structural style for prefabricated square pile component is more firm with being connected of prefabricated pavement back attachment strap, prefabricated pavement cantilever slab.
Preferably, the prefabricated footpath cantilever slab and the prefabricated footpath back lapping plate are provided with pavements and railings above.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in:
the assembly type submerged hydrophilic pavement under the bridge is simple in structure and small in occupied area, realizes function integration of a bank protection retaining wall and the hydrophilic pavement, and has obvious advantages in space limited areas such as under-bridge nodes and the like compared with the traditional structure; the disturbance to the bank slope of the natural river is reduced while the soil body behind the wall is kept stable, the water surface occupied by the river is small, and the method is suitable for narrow riverside space; the retaining wall higher than the footpath does not need to be arranged on the outer side of the footpath, so that accumulated water is not formed when the water level is removed, the problem of the accumulated water of the traditional sunken footpath is solved, meanwhile, the space under the bridge is expanded, and a better hydrophilic effect is achieved; the device is formed by assembling various components, so that the adaptability is good, and the flexibility is good; retaining walls with different heights can be configured to meet different retaining height requirements, and different pavement heights can be set according to water level data; when the components need to be reformed again in future, the components can be orderly dismantled, waste concrete is not left in the soil body, and the influence on ecology is reduced; the components are prefabricated according to factory standards, so that the types of the components are greatly reduced, and the mass production is realized; the cost is low, the universality is good, the construction step of large-range cast-in-place concrete is avoided, the field construction period is shortened, the construction quality is good, and the environmental influence is small; the field installation does not need strict dry land construction conditions, and the construction can be carried out on water, so that the influence on river channel shipping and flood discharge caused by long-time occupation of the filled cofferdam on the river channel is avoided.
Drawings
Fig. 1 is a sectional view of an assembled bridge sunken hydrophilic walkway according to a preferred embodiment of the present invention.
Fig. 2 is a schematic perspective view of a prefabricated square pile member, a prefabricated pavement cantilever plate and a prefabricated pavement back lapping plate according to the preferred embodiment of the present invention.
Fig. 3 is a layout view of prefabricated square pile members on prefabricated pavement cantilever slabs and prefabricated pavement back laps according to a preferred embodiment of the present invention.
Description of the reference numerals
Prefabricated square pile component 1
Precast footpath cantilever plate 2
Prefabricated footpath back butt strap 3
Plain concrete joint filling 4
Paving 6
Emergent aquatic plant 7
Turf 8
Pile foundation bracket 11
First transverse plate 21
Second transverse plate 22
First opening 24
Detailed Description
The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.
The embodiment discloses an assembly type bridge sunken hydrophilic footpath, which comprises prefabricated square pile components 1, prefabricated footpath cantilever plates 2 and prefabricated footpath back lapping plates 3, wherein the bottoms of the prefabricated square pile components 1 are used for being inserted into soil; the prefabricated footpath cantilever plate comprises a transverse plate and a vertical plate 23, the top end of the vertical plate 23 is connected to the bottom surface of the transverse plate, the bottom end of the vertical plate 23 extends downwards into the soil, the transverse plate is provided with a first opening 24 which is communicated up and down, and the prefabricated footpath cantilever plate 2 is connected to the top of the prefabricated square pile component 1 through the first opening 24; the prefabricated footpath back butt strap 3 is correspondingly provided with a second open pore 31 which is communicated up and down, the prefabricated footpath back butt strap 3 is arranged above the prefabricated footpath cantilever plate 2 and is connected with the top of the prefabricated square pile component 1 through the second open pore 31.
In the embodiment, the assembly type bridge sunken hydrophilic pavement is simple in structure and small in occupied area, the function integration of the revetment retaining wall and the hydrophilic pavement is realized, and the bridge sunken hydrophilic pavement has obvious advantages in space limited areas such as bridge nodes compared with a traditional structure. The disturbance to the bank slope of the natural river is reduced while the soil body behind the wall is kept stable, the water surface occupied by the river is small, and the method is suitable for narrow riverside space; the retaining wall higher than the footpath does not need to be arranged on the outer side of the footpath, so that accumulated water is not formed when the water level is removed, the problem of the accumulated water of the traditional sunken footpath is solved, meanwhile, the space under the bridge is expanded, and a better hydrophilic effect is achieved; the device is formed by assembling various components, so that the adaptability is good, and the flexibility is good; retaining walls with different heights can be configured to meet different retaining height requirements, and different pavement heights can be set according to water level data; when the components need to be reformed again in future, the components can be orderly dismantled, waste concrete is not left in the soil body, and the influence on ecology is reduced; the components are prefabricated according to factory standards, so that the types of the components are greatly reduced, and the mass production is realized.
As shown in fig. 2, the precast footpath cantilever plate 2 includes a first transverse plate 21 and a second transverse plate 22 connected to each other, the second transverse plate 22 is higher than the first transverse plate 21, a first opening 24 is formed on the first transverse plate 21, and the precast footpath back strap 3 is disposed above the first transverse plate 21. The top end of the vertical plate 23 is connected to one end of the first transverse plate 21 far away from the second transverse plate 22. The vertical plate 23 serves as a retaining wall, and can balance the overturning moment generated by the first transverse plate 21 and the second transverse plate 22. The risers 23 are arranged to abut the sides of the prefabricated square pile element 1 so that the risers 23 can transfer horizontal pressure to the prefabricated square pile element 1.
The prefabricated square pile element 1 can bear the vertical load of the upper part and the horizontal pressure transferred by the vertical plates 23.
The top surface of the second transverse plate is flush with the top surface of the prefabricated footpath back lapping plate 3. Wherein the prefabricated pavement back butt strap 3 balances the prefabricated pavement cantilever plate 2, and the prefabricated pavement back butt strap 3 and the prefabricated pavement cantilever plate 2 form a pavement of the hydrophilic pavement together.
As shown in fig. 2 and 3, two first openings 24 are symmetrically formed in the first cross plate 21, two second openings 31 are symmetrically formed in the prefabricated footpath back access plate 3, and two prefabricated square pile members 1 are connected to each prefabricated footpath cantilever plate 2. Wherein, adopt above-mentioned structural style, strengthened the stability of the hydrophilic pavement of formula of sinking under the assembled bridge.
Prefabricated square pile component 1 has pile foundation bracket 11, and pile foundation bracket 11 sets up the upper portion at prefabricated square pile component 1 to support prefabricated pavement cantilever slab 2. Wherein, prefabricated pavement cantilever slab 2 can erect on pile foundation bracket 11.
And a gap between the first opening or the second opening and the prefabricated square pile component 1 is filled with plain concrete. Plain concrete caulk 4 is shown in fig. 1. Wherein, adopt above-mentioned structural style for prefabricated square pile component 1 is more firm with being connected of prefabricated pavement back attachment strap 3, prefabricated pavement cantilever slab 2. And paving 6 and railings 5 are arranged above the prefabricated footpath cantilever plate 2 and the prefabricated footpath back lapping plate 3.
Specifically, the size of the cross section of the prefabricated square pile member 1 is 300mm, the length of the prefabricated square pile member 1 is designed according to geological conditions, and the distance between a pile foundation corbel and a pile top is 400mm, the height is 400mm, and the width is 100 mm. The longitudinal length of the prefabricated footpath cantilever plate 2 is 3m, the thickness is 200mm, the thickness of a variable cross section (the connecting part of a first transverse plate and a second transverse plate) is not less than 200mm, the length of a vertical plate is 1200mm, the length of the first transverse plate is 740mm, and the length of the second transverse plate (cantilever section) is 760 mm. The standard prefabricated footpath back butt strap 3 has the longitudinal length of 3m and the thickness of 200 mm. The first and second openings have a dimension of 330 x 330mm and the centers of the first and second openings are 750mm from the longitudinal edges. All standard prefabricated part reinforcing bars need to meet the strength requirement.
Cohesive soil can be backfilled behind the rear side baffle of the footpath, turf 8 is planted on the upper side slope to protect the slope, and emergent aquatic plants 7 are planted on the front beach surface of the footpath to form a good ecological landscape effect.
Specifically, the hydrophilic footpath construction method comprises the following steps:
(1) survey lofting
And determining the arrangement position of the hydrophilic footpath on the river channel side slope according to the design requirements and the plane position of the drawing, determining the excavation range and elevation of the side slope on the basis of the arrangement position, and marking lines.
(2) Excavation of foundation trench
Firstly, slope releasing and excavating are carried out on the side slope of the river channel, and a construction interface is created. The excavation method adopts layered excavation and is 0.5m3The backhoe excavator is equipped with a 5-ton dump truck for transporting earthwork to a designated area. And leveling the foundation trench to ensure that the excavation elevation is accurate. The structure construction does not need cast-in-place concrete, and a small amount of water can be allowed to enter the foundation trench, so that a cofferdam does not need to be filled.
(3) Standard prefabricated pile foundation construction
The method comprises the steps of selecting a standard prefabricated square pile component 1 with a reasonable size according to the bearing capacity requirement and the integral stability requirement of a side slope, sinking the pile by adopting a vibration pile sinking method under the condition of a deep sludge foundation, strictly controlling the driving elevation and the plane position of a pile foundation, and sinking to a pile foundation bracket position by combining manual local excavation and sinking to a specified elevation. The pile foundation construction of the hydrophilic footpath is finished after the pile foundation construction of the bridge bearing platform is finished.
(4) Prefabricated walkway plate construction
The prefabricated pavement cantilever slab and the prefabricated pavement back butt strap are transported to a construction site for hoisting and installation, the opening of the prefabricated pavement cantilever slab 2 passes through the pile head to be erected on the pile foundation bracket 11 under the assistance of constructors, the tail part of the prefabricated pavement cantilever slab is tightly attached to the pile foundation, the pile head is horizontally sleeved with the prefabricated pavement back butt strap 3 and is placed above the prefabricated pavement cantilever slab 2, and the first opening 24 and the second opening 31 are filled with gaps among the prefabricated pavement cantilever slab 2 and the prefabricated pavement back butt strap 3 by adopting plain concrete to form effective connection.
(5) Paving 6 and railing 5 construction
The pavement 6 and the railing 5 are installed on the hydrophilic walkway formed by assembly.
(6) Slope management and greening planting
And the cohesive soil is backfilled behind the wall to meet the design requirement. The front and the back of the retaining wall (namely, the vertical plate) are managed and planted with proper greening.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (9)
1. The utility model provides an assembly type bridge sunken hydrophilic footpath which characterized in that, it includes:
the prefabricated square pile component is used for being inserted into soil at the bottom;
the prefabricated footpath cantilever plate comprises a transverse plate and a vertical plate, the top end of the vertical plate is connected to the bottom surface of the transverse plate, the bottom end of the vertical plate extends downwards into the soil, the transverse plate is provided with a first through hole which is communicated up and down, and the prefabricated footpath cantilever plate is connected to the top of the prefabricated square pile component through the first through hole;
the prefabricated pavement rear butt strap is correspondingly provided with a second open hole which is communicated up and down, and the prefabricated pavement rear butt strap is arranged above the prefabricated pavement cantilever plate and is connected to the top of the prefabricated square pile component through the second open hole.
2. The assembly type bridge-sinking hydrophilic walkway of claim 1, wherein the cross plates include a first cross plate and a second cross plate connected to each other, the second cross plate has a height higher than the first cross plate, the first opening is provided on the first cross plate, and the prefabricated walkway back strap is provided above the first cross plate.
3. The assembly bridge sunken hydrophilic walkway of claim 2, wherein the top surface of the second cross slab is flush with the top surface of the precast walkway back deck.
4. The fabricated bridge-sinking hydrophilic footpath of claim 2, wherein the first transverse plate is symmetrically provided with two first openings, the prefabricated footpath back butt strap is symmetrically provided with two second openings, and each prefabricated footpath cantilever plate is connected with two prefabricated square pile members.
5. The fabricated bridge-submerging hydrophilic walkway of claim 2, wherein the top end of the riser is connected to an end of the first cross plate distal from the second cross plate.
6. The fabricated bridge-sinking hydrophilic walkway of claim 5, wherein the risers are disposed proximate to sides of the precast square pile elements.
7. The fabricated bridge submersible hydrophilic walkway of claim 1, wherein the prefabricated square pile members have pile foundation brackets disposed on upper portions of the prefabricated square pile members to support the prefabricated walkway cantilever panels.
8. The assembly type bridge sunken hydrophilic walkway of claim 1, wherein a gap between the first opening or the second opening and the precast square pile member is filled with plain concrete.
9. An assembled bridge-sinking hydrophilic walkway according to any one of claims 1 to 8, wherein pavers and railings are provided above the cantilever slab of the prefabricated walkway and the back decking of the prefabricated walkway.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022670498.6U CN213773294U (en) | 2020-11-18 | 2020-11-18 | Assembly type bridge sunken hydrophilic footpath |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022670498.6U CN213773294U (en) | 2020-11-18 | 2020-11-18 | Assembly type bridge sunken hydrophilic footpath |
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| CN213773294U true CN213773294U (en) | 2021-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960754A (en) * | 2022-05-30 | 2022-08-30 | 中国电建集团成都勘测设计研究院有限公司 | Sunken under-bridge corridor structure |
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2020
- 2020-11-18 CN CN202022670498.6U patent/CN213773294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960754A (en) * | 2022-05-30 | 2022-08-30 | 中国电建集团成都勘测设计研究院有限公司 | Sunken under-bridge corridor structure |
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