CN115287957B - Rigid-flexible transition section roadbed structure - Google Patents
Rigid-flexible transition section roadbed structure Download PDFInfo
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- CN115287957B CN115287957B CN202211065809.3A CN202211065809A CN115287957B CN 115287957 B CN115287957 B CN 115287957B CN 202211065809 A CN202211065809 A CN 202211065809A CN 115287957 B CN115287957 B CN 115287957B
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- 230000007704 transition Effects 0.000 title claims abstract description 22
- 239000002689 soil Substances 0.000 claims abstract description 14
- 238000007711 solidification Methods 0.000 claims abstract description 4
- 230000008023 solidification Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 239000010865 sewage Substances 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 description 12
- 230000000149 penetrating effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000012466 permeate Substances 0.000 description 4
- 238000007790 scraping Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Architecture (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The application relates to a rigid-flexible transition section roadbed structure, which belongs to the technical field of roadbeds and comprises a plurality of preformed fixing piles, wherein the fixing piles enter a bearing layer of a natural soil body, the end parts of the fixing piles, which deviate from the bearing layer, are all positioned on the same plane, one end of each fixing pile, which deviates from the bearing layer, is provided with a bearing plate for paving the roadbed, and the area of the bearing plate is larger than the area surrounded by the fixing piles; the roadbed structure further comprises a first pouring channel and a second pouring channel which are arranged between the adjacent fixed piles, the length direction of the first pouring channel is parallel to the length direction of the fixed piles, the second pouring channel is arranged between the first pouring channel and the fixed piles, two ends of the second pouring channel are respectively communicated with holes where the first pouring channel and the fixed piles are located, and the first pouring channel and the second pouring channel are used for solidification molding of concrete. The application has the effect of reducing the possibility of subgrade settlement.
Description
Technical Field
The application relates to the technical field of roadbeds, in particular to a rigid-flexible transition section roadbed structure.
Background
The roadbed is a foundation of a track or a road surface and is a geotechnical structure formed by excavation or filling. The roadbed has the main functions of providing necessary conditions for track or road surface paving and train or driving operation, bearing static load and dynamic load of track and rolling stock or road surface and traffic load, and simultaneously transmitting and diffusing the load to the deep part of the foundation. On the vertical section, the roadbed must ensure the elevation required by the line, and on the plane, the roadbed, the bridge and the tunnel are connected to form a complete through line. In civil engineering, roadbed plays an important role in terms of construction quantity, occupied area and investment. The transition section is a section which needs special treatment when the roadbed is connected with a structure and the like; is the key for controlling the differential settlement of the roadbed.
At present, a deep cement stirring pile reinforcement treatment method is generally adopted when a transition section roadbed is constructed, cement is used as a curing agent, soft soil or sand and the like and the curing agent are forcedly mixed in a foundation through a deep stirring machine, so that a soft foundation is hardened, and the foundation strength is improved; followed by hardening on a soft foundation; and (3) constructing a roadbed.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: the distance that the cement stirring pile end enters the foundation is limited, so that the cement stirring pile has the possibility that the cement stirring pile cannot enter a natural soil body bearing layer, and the possibility that the roadbed is unevenly settled.
Disclosure of Invention
In order to reduce the possibility of roadbed settlement, the application provides a rigid-flexible transition section roadbed structure.
The rigid-flexible transition section roadbed structure provided by the application adopts the following technical scheme:
The rigid-flexible transition section roadbed structure comprises a plurality of preformed fixing piles, wherein the fixing piles enter a bearing layer of a natural soil body, the end parts of the fixing piles, which deviate from the bearing layer, are all positioned on the same plane, a bearing plate for paving the roadbed is arranged at one end of each fixing pile, which deviates from the bearing layer, and the area of the bearing plate is larger than that of the area surrounded by the fixing piles; the roadbed structure further comprises a first pouring channel and a second pouring channel which are arranged between the adjacent fixed piles, the length direction of the first pouring channel is parallel to the length direction of the fixed piles, the second pouring channel is arranged between the first pouring channel and the fixed piles, two ends of the second pouring channel are respectively communicated with holes where the first pouring channel and the fixed piles are located, and the first pouring channel and the second pouring channel are used for solidification molding of concrete.
By adopting the technical scheme, when constructing a road foundation, firstly, driving the fixed piles into a foundation, enabling the fixed piles to enter a bearing layer of a natural soil body, then, excavating a first pouring channel between the fixed piles, excavating a second pouring channel on the side wall of the first pouring channel after the first pouring channel is excavated to a required depth, enabling the second pouring channel to be communicated with a hole of the fixed piles, then pouring concrete into the first pouring channel, enabling the concrete entering the first channel to enter the second pouring channel, and after the concrete is condensed, connecting the fixed piles and the concrete in the first pouring channel into a whole by the concrete in the second pouring channel so as to strengthen the stability of the fixed piles, thereby reducing the possibility of roadbed settlement; and then installing a bearing plate on the fixed pile, and then constructing the roadbed on the bearing plate.
Optionally, a plurality of second pouring channels between the first pouring channel and the fixing piles are formed, and the second pouring channels are obliquely arranged between the first pouring channels and the fixing piles.
Through adopting above-mentioned technical scheme, the second pouring passageway slope sets up between spud pile and first pouring passageway for the concrete slope in the second pouring passageway has increased the length of second pouring passageway between spud pile and first pouring passageway, and then has improved the second and has pour passageway to spud pile and first pouring passageway connection stability, thereby has improved the stability of road bed.
Optionally, the bearing plate is hollow, a plurality of water inlets are formed in the surface, away from the fixing piles, of the bearing plate, a water outlet is formed in the bearing plate, and the water outlet is located on the side wall of the bearing plate.
By adopting the technical scheme, after rainwater enters the foundation of the roadbed, the foundation is easy to be soft, so that the adhesion performance between the fixed piles and the like and the foundation is poor; the bearing plate covers the foundation where the fixed piles are located so as to reduce erosion of the rainwater foundation and improve the stability of the foundation; meanwhile, after the rainwater permeates to the bearing plate, the rainwater is likely to permeate to the edge of the bearing plate, so that the rainwater is still likely to permeate into the foundation; rainwater enters the bearing plate through the water inlet holes, is collected and guided out from the water outlet of the bearing plate, so that the influence of the rainwater on the foundation is reduced, and the stability of the foundation is improved.
Optionally, a plurality of receiving rods are arranged in the receiving plate, and the receiving rods are positioned in the cavity of the receiving plate, and both ends of the receiving rods are abutted against the inner wall of the cavity; the roadbed structure further comprises a first driving piece for driving the scraping plate to rotate so as to separate soil on the bottom wall of the cavity.
By adopting the technical scheme, the inside of the bearing plate is supported under the action of the bearing rod, so that the stability of the bearing plate is improved, and the possibility of crushing the bearing plate is reduced; further, when rainwater enters the receiving plate through the water inlet hole, sediment can be carried into the receiving plate, and the possibility of blockage in the receiving plate is caused carelessly; under the effect of first driving piece, order about the scraper blade and rotate, the scraper blade rotates the earth of striking off the cavity diapire, later under the scouring of rainwater, shifts out the joint board to reduce the possibility of plugging up in the joint board, be convenient for in time discharge and accept the intraductal ponding of board.
Optionally, the connecting rod is last to be coaxial to be provided with the loop bar, the loop bar rotates to set up on the connecting rod, the scraper blade sets up on the loop bar, first driving piece is including rotating the first blade that sets up in the connecting plate, first blade spanes the delivery port, the axis of rotation of first blade is perpendicular to the length direction of connecting rod, first driving piece is still including rotating the actuating lever that sets up in the cavity, the axis of rotation of actuating lever is parallel to the length direction of connecting rod, be provided with intermeshing's first bevel gear between first blade and the actuating lever, first driving piece is still including setting up the first belt between actuating lever and loop bar.
By adopting the technical scheme, in the process of draining rainwater through the water outlet, the rainwater impacts the first blade to rotate, the first blade rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the driving rod to rotate, the driving rod rotates to drive the first belt to operate, the first belt operates to drive the loop bar to rotate, the loop bar rotates to drive the scraper blade to rotate by taking the bearing bar as a rotation axis, and then sediment on the bottom wall of the cavity is scraped; meanwhile, under the impact of water flow, the scraped sediment is discharged in time; the structure has the advantages of compact structure and reliable operation.
Optionally, the end face that the loop bar is close to the cavity diapire, the link of actuating lever and cavity, first bevel gear and first belt all deviate from the cavity diapire.
By adopting the technical scheme, the possibility that sediment is attached to the loop bar, the driving rod, the first bevel gear and the first belt is reduced, so that sediment in the bearing plate can be cleaned conveniently; meanwhile, the loop bar is separated from the driving bar and the bottom wall of the cavity, so that the possibility of bearing stress of the loop bar and the driving bar is reduced, and the scraping plate is driven to rotate to remove sediment from the bottom wall of the cavity.
Optionally, be provided with out dirty pipe on the joint board, it sets up with the delivery port intercommunication to go out dirty pipe, the drain that goes out dirty pipe is located the below of joint board and keeps away from the second and pour the passageway, the tip intercommunication that goes out dirty pipe is provided with the honeycomb duct, it is provided with the screw conveying axle to rotate in the honeycomb duct, the axis of rotation of screw conveying axle is on a parallel with the length direction of honeycomb duct, and roadbed structure is still including being used for driving screw conveying axle rotation to export the second driving piece of muddy water in the honeycomb duct.
By adopting the technical scheme, rainwater in the receiving plate enters the sewage outlet pipe through the water outlet and enters the guide pipe through the opening of the sewage outlet pipe, the rainwater is discharged through the guide pipe, and in the process, sediment in the rainwater is likely to be deposited in the guide pipe, so that the guide pipe is easy to be blocked; in the process, the second driving piece drives the spiral conveying shaft to rotate to remove sediment in the guide pipe, so that the possibility of blocking the guide pipe is reduced; and simultaneously, under the impact of rainwater, the natural soil at the water outlet of the guide pipe is flushed, so that sediment in the guide pipe is discharged conveniently.
Optionally, the second driving piece comprises a first connecting shaft rotatably arranged in the sewage outlet pipe, the rotation axis and the length direction of the first connecting shaft are parallel to the length direction of the sewage outlet pipe, and the second driving piece further comprises a second bevel gear which is arranged on the first blade and the first connecting shaft and meshed with each other; the included angle between the dirt outlet pipe and the guide pipe is an obtuse angle, and the second driving piece further comprises a universal joint arranged between the first connecting shaft and the spiral conveying shaft.
Through adopting above-mentioned technical scheme, first blade rotates and drives second bevel gear and rotate, and second bevel gear rotates and drives first connecting axle and rotate, and first connecting axle rotates and drives the universal joint and rotate, and the universal joint rotates and drives the screw conveyer axle and rotate, and easy operation is convenient.
Optionally, cup joint the universal joint is provided with the protection pipe, the protection pipe is located between dirty pipe and the honeycomb duct, first connecting axle and screw conveyer axle all get into in the protection pipe and are connected with the universal joint, the both ends of protection pipe are all closed the setting.
Through adopting above-mentioned technical scheme, under the effect of protection pipe, protect the universal joint to reduce the possibility of silt card Sevan to the festival, so that accept the interior silt of board and clear away and the honeycomb duct in silt.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the roadbed is constructed, firstly, fixing piles are driven into a foundation, the fixing piles enter a bearing layer of a natural soil body, then, a first pouring channel is excavated between the fixing piles, after the first pouring channel is excavated to a required depth, a second pouring channel is excavated on the side wall of the first pouring channel, so that the second pouring channel is communicated with the holes of the fixing piles, then, concrete is poured into the first pouring channel, the concrete entering the first channel enters the second pouring channel, and after the concrete is coagulated, the concrete in the second pouring channel connects the fixing piles and the concrete in the first pouring channel into a whole, so that the stability of the fixing piles is enhanced, and the possibility of roadbed settlement is further reduced; and then installing a bearing plate on the fixed pile, and then constructing the roadbed on the bearing plate.
Drawings
FIG. 1 is a schematic view of the overall structure of a rigid-flexible transition section roadbed structure according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a fixing pile in a rigid-flexible transition section roadbed structure according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of a socket plate in a rigid-flexible transition section roadbed structure according to an embodiment of the present application;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
FIG. 5 is a cross-sectional view of a dirt outlet pipe and a flow guide pipe in a rigid-flexible transition section roadbed structure according to an embodiment of the present application;
FIG. 6 is an enlarged schematic view of portion B of FIG. 5;
Fig. 7 is an enlarged schematic view of a portion C in fig. 5.
Reference numerals illustrate: 1. fixing piles; 2. a receiving plate; 3. a first casting channel; 4. a second casting channel; 5. a water inlet hole; 6. a water outlet; 7. a receiving rod; 8. a scraper; 9. a loop bar;
10. A first driving member; 101. a first blade; 102. a driving rod; 103. a first bevel gear; 104. a first belt; 105. a second belt;
11. A sewage outlet pipe; 12. a flow guiding pipe; 13. a screw conveying shaft;
14. a second driving member; 141. a first connecting shaft; 142. a second bevel gear; 143. and a universal joint.
Detailed Description
The application is described in further detail below with reference to fig. 1-7.
The embodiment of the application discloses a rigid-flexible transition section roadbed structure. Referring to fig. 1 and 2, the rigid-flexible transition section roadbed structure comprises a plurality of preformed fixing piles 1, wherein the fixing piles 1 are arranged in a foundation in a rectangular shape, the fixing piles 1 enter a bearing layer of a natural soil body, the end parts of the fixing piles 1, which deviate from the bearing layer, are all positioned on the same plane, one end of each fixing pile 1, which deviates from the bearing layer, is provided with a bearing plate 2 for paving the roadbed, in the embodiment of the application, the bearing plate 2 is fixedly arranged at the end parts of the fixing piles 1, and the area of the bearing plate 2 is larger than the area surrounded by the fixing piles 1;
Referring to fig. 1 and 2, the roadbed structure further comprises a first pouring channel 3 and a second pouring channel 4 which are formed between adjacent fixing piles 1, the sections of the first pouring channel 3 and the second pouring channel 4 are round so that concrete flows and is formed, the length direction of the first pouring channel 3 is parallel to the length direction of the fixing piles 1, the second pouring channel 4 is located between the first pouring channel 3 and the fixing piles 1, one end of the second pouring channel 4 is communicated with the first pouring channel 3, the other end of the second pouring channel is communicated with a hole where the fixing piles 1 are located, and the first pouring channel 3 and the second pouring channel 4 are used for concrete solidification forming.
Before laying a roadbed, driving the fixed piles 1 into a foundation, enabling the fixed piles 1 to enter a bearing layer of a natural soil body, and then excavating a first pouring channel 3 between adjacent fixed piles 1; after the first pouring channel 3 is excavated to a required depth, constructors enter the first pouring channel 3, and a second pouring channel 4 is excavated on the side wall of the first pouring channel 3, so that the first pouring channel 3 is communicated with the hole of the fixed pile 1; and then pouring concrete into the first pouring channel 3, when the concrete liquid level exceeds the bottom of the second pouring channel 4, the concrete enters the second pouring channel 4 and fills the second pouring channel 4, and after the concrete is solidified, the first fixing pile 1 and the concrete in the first pouring channel 3 are connected into a whole so as to improve the stability of the fixing pile 1 and reduce the possibility of inclination or sinking of the fixing pile 1.
Referring to fig. 2 and 3, a plurality of second pouring channels 4 are formed between the first pouring channel 3 and the fixing pile 1, in the embodiment of the present application, two second pouring channels 4 are formed between the first pouring channel 3 and the fixing pile 1, the two second pouring channels 4 are obliquely arranged between the first pouring channel 3 and the fixing pile 1, the two second pouring channels 4 are arranged in a staggered manner and are located in the same plane, and further, the two second pouring channels 4 are symmetrically arranged along the center line of the two second pouring channels 4; after the concrete of the second pouring channel 4 is molded, connecting the fixed pile 1 with the first pouring channel 3 so as to improve the overall stability of the foundation; meanwhile, the contact area between the second pouring channel 4 and soil is increased, and the overall stability of the foundation is further improved.
Referring to fig. 3 and 4, in order to further improve stability of the foundation, the receiving plate 2 is horizontally laid on the ground and is hollow, a plurality of water inlets 5 are formed in the surface of the receiving plate 2 facing away from the fixed piles 1, a water outlet 6 is formed in the receiving plate 2, and the water outlet 6 is located on the side wall of the receiving plate 2; the penetrating water around the bearing plate 2 permeates towards the water inlet holes 5, and the penetrating water enters the bearing plate 2 and is discharged through the water outlet 6 due to smaller resistance at the water inlet holes 5, so that the possibility that part of penetrating water scours the foundation below the bearing plate 2 is reduced in the process, and the stability of the foundation is further improved; meanwhile, the influence of penetrating water on the fixed pile 1 is reduced, the adhesion force of the fixed pile 1 and the abutting joint is improved, and the possibility of foundation settlement is further reduced.
Referring to fig. 3 and 4, when the road base load is large, the hollow bearing plate 2 is easy to be damaged by compression, in order to prolong the service life of the bearing plate 2, a plurality of bearing rods 7 are arranged in the bearing plate 2, the bearing rods 7 are positioned in the cavity of the bearing plate 2, both ends of the bearing rods 7 are abutted against the inner wall of the cavity, and the bearing rods 7 are uniformly distributed in the cavity; under the action of the bearing rods 7, the load on the top surface of the bearing plate 2 is transmitted to the foundation, so that the possibility of damage to the bearing plate 2 is reduced.
Referring to fig. 3 and 4, a scraper 8 is rotatably disposed on the receiving rod 7, the scraper 8 rotates with the receiving rod 7 as a rotation axis, in the embodiment of the present application, a sleeve rod 9 is coaxially disposed on the receiving rod 7, further, a surface of the sleeve rod 9 near the top of the receiving plate 2 is rotatably disposed at the top of the cavity, the sleeve rod 9 is rotatably disposed on the receiving rod 7, the sleeve rod 9 rotates with the axis of the receiving rod 7 as a rotation axis, and the scraper 8 is disposed on the sleeve rod 9;
Referring to fig. 3 and 4, the roadbed structure further comprises a first driving member 10 for driving the scraping plate 8 to rotate so as to separate soil at the bottom wall of the cavity, the first driving member 10 comprises a first blade 101 rotatably arranged in the receiving plate 2, the first blade 101 spans the water outlet 6, further, the first blade 101 transversely spans the water outlet 6, the rotation axis of the first blade 101 is perpendicular to the length direction of the receiving rod 7, the first driving member 10 further comprises a driving rod 102 rotatably arranged in the cavity, further, the driving rod 102 is rotatably arranged at the top of the cavity of the receiving plate 2, the rotation axis of the driving rod 102 is parallel to the length direction of the receiving rod 7, a first bevel gear 103 meshed with each other is arranged between the first blade 101 and the driving rod 102, the first driving member 10 further comprises a first belt 104 arranged between the driving rod 102 and the sleeve rod 9, a second belt 105 is arranged between the rest of the sleeve rods 9, and further, the first bevel gear 103 and the first belt 104 are all deviated from the bottom wall of the cavity.
After penetrating water and rainwater enter the receiving plate 2, penetrating water flows to the water outlet 6, and impacts the first blade 101, the first blade 101 rotates to drive the first bevel gear 103 to rotate, the first bevel gear 103 rotates to drive the driving rod 102 to rotate, the driving rod 102 rotates to drive the first belt 104 to operate, and then the loop bar 9 connected with the first belt 104 is driven to rotate, meanwhile, the loop bar 9 rotates to drive the second belt 105 to operate, and then drives the rest loop bars 9 to rotate, and then drives the scraper blade 8 to rotate to scrape sediment at the bottom of the cavity, and moves out of the receiving plate 2 under the flushing of water flow, so that the possibility of cavity blockage is reduced, and rainwater and penetrating water are discharged in time.
Referring to fig. 5, in order to reduce the influence of the rainwater discharged from the receiving plate 2 on the foundation below the receiving plate 2, the receiving plate 2 is provided with a sewage outlet pipe 11, the sewage outlet pipe 11 is communicated with the water outlet 6, the sewage outlet of the sewage outlet pipe 11 is located below the receiving plate 2 and far away from the second pouring channel 4, and further, the sewage outlet pipe 11 is obliquely arranged on the receiving plate 2 so as to be convenient for discharging the rainwater and silt in the receiving plate 2.
Referring to fig. 5, in order to reduce the possibility that sediment is accumulated at the water outlet of the sewage outlet pipe 11, the end part of the sewage outlet pipe 11 is provided with a flow guide pipe 12 in a communicating manner, the flow guide pipe 12 is in a horizontal direction, an included angle between the flow guide pipe 12 and the sewage outlet pipe 11 is an obtuse angle, a spiral conveying shaft 13 is rotationally arranged in the flow guide pipe 12, a rotation axis of the spiral conveying shaft 13 is parallel to the length direction of the flow guide pipe 12, and the roadbed structure further comprises a second driving part 14 for driving the spiral conveying shaft 13 to rotate so as to output muddy water in the flow guide pipe 12;
Referring to fig. 5, 6 and 7, the second driving member 14 includes a first coupling shaft 141 rotatably disposed in the discharge pipe 11, the rotational axis and the length direction of the first coupling shaft 141 are parallel to the length direction of the discharge pipe 11, the second driving member 14 further includes a second bevel gear 142 disposed on the first blade 101 and the first coupling shaft 141 and engaged with each other, and the second driving member 14 further includes a universal joint 143 disposed between the first coupling shaft 141 and the screw conveying shaft 13.
In the rotation process of the first blade 101, the second bevel gear 142 is driven to rotate, the second bevel gear 142 rotates to drive the first connecting shaft 141 to rotate, and then the universal joint 143 is driven to rotate, so that the spiral conveying shaft 13 is driven to rotate, and the operation is simple and convenient; meanwhile, under the impact of water flow, a cavity is formed at the water outlet of the guide pipe 12, so that sediment can be conveniently moved out of the guide pipe 12.
Referring to fig. 5, 6 and 7, in order to reduce the influence of silt to the universal joint 143, the sleeved universal joint 143 is provided with a protection tube, the protection tube is located between the sewage outlet tube 11 and the guide tube 12, the first connecting shaft 141 and the spiral conveying shaft 13 enter the protection tube and are connected with the universal joint 143, two ends of the protection tube are closed, and further, the protection tube is a rubber tube so that the protection tube deforms in rotation, and the spiral conveying shaft 13 is convenient to rotate.
The implementation principle of the rigid-flexible transition section roadbed structure in the embodiment of the application is as follows:
When the roadbed at the transition section is constructed, firstly, driving the fixed piles 1 into the foundation, enabling the fixed piles 1 to enter the bearing layer of the natural soil body, and then excavating a first pouring channel 3 between the adjacent fixed piles 1; after the first pouring channel 3 is excavated to a required depth, constructors enter the first pouring channel 3, and a second pouring channel 4 is excavated on the side wall of the first pouring channel 3, so that the first pouring channel 3 is communicated with the hole of the fixed pile 1; and then pouring concrete into the first pouring channel 3, when the concrete liquid level exceeds the bottom of the second pouring channel 4, the concrete enters the second pouring channel 4 and fills the second pouring channel 4, and after the concrete is solidified, the first fixing pile 1 and the concrete in the first pouring channel 3 are connected into a whole so as to improve the stability of the fixing pile 1 and reduce the possibility of inclination or sinking of the fixing pile 1.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. A rigid-flexible transition section roadbed structure is characterized in that: comprises a plurality of preformed fixing piles (1), wherein the fixing piles (1) enter a bearing layer of a natural soil body, the end parts of the fixing piles (1) deviating from the bearing layer are all positioned on the same plane, one end of the fixed pile (1) deviating from the bearing layer is provided with a bearing plate (2) for paving a roadbed, and the area of the bearing plate (2) is larger than the area surrounded by the fixed pile (1); the roadbed structure further comprises a first pouring channel (3) and a second pouring channel (4) which are arranged between the adjacent fixed piles (1), the length direction of the first pouring channel (3) is parallel to the length direction of the fixed piles (1), the second pouring channel (4) is arranged between the first pouring channel (3) and the fixed piles (1) and two ends of the second pouring channel are respectively communicated with holes where the first pouring channel (3) and the fixed piles (1) are arranged, the first pouring channel (3) and the second pouring channel (4) are used for concrete solidification forming, the bearing plate (2) is arranged in a hollow mode, a plurality of water inlet holes (5) are formed in the face, deviating from the fixed piles (1), of the bearing plate (2), water outlets (6) are formed in the bearing plate (2), a plurality of bearing rods (7) are arranged in the side walls of the bearing plate (2), and two ends of the bearing rods (7) are both abutted against the inner walls of the cavities of the bearing plate (2); the utility model provides a scraper blade (8) is provided with in rotation on accepting pole (7), scraper blade (8) rotate for the axis of rotation with accepting pole (7), and roadbed structure still includes first driving piece (10) that are used for driving scraper blade (8) to rotate to separation cavity diapire earth, it is provided with loop bar (9) to accept on pole (7) coaxial, loop bar (9) rotate and set up on accepting pole (7), scraper blade (8) set up on loop bar (9), first driving piece (10) are including rotating first blade (101) that set up in accepting board (2), first blade (101) span delivery port (6), the axis of rotation of first blade (101) is perpendicular to the length direction of accepting pole (7), first driving piece (10) still include to rotate driving lever (102) that set up in the cavity, the axis of rotation of driving lever (102) is parallel to the length direction of accepting pole (7), be provided with intermeshing first blade (101) and driving piece (10) between first blade (102) and driving lever (102), first driving piece (10) are including first bevel gear (104) and belt (104) still set up between first driving lever (102).
2. The rigid-flexible transition section roadbed structure according to claim 1, wherein: a plurality of second pouring channels (4) between the first pouring channels (3) and the fixed piles (1) are formed, and the second pouring channels (4) are obliquely arranged between the first pouring channels (3) and the fixed piles (1).
3. The rigid-flexible transition section roadbed structure according to claim 1, wherein: be provided with out dirty pipe (11) on accepting board (2), go out dirty pipe (11) and delivery port (6) intercommunication setting, the drain that goes out dirty pipe (11) is located the below of accepting board (2) and keeps away from second pouring passageway (4), the tip intercommunication of going out dirty pipe (11) is provided with honeycomb duct (12), the rotation of honeycomb duct (12) is provided with spiral conveying shaft (13), the axis of rotation of spiral conveying shaft (13) is on a parallel with the length direction of honeycomb duct (12), and roadbed structure still includes second driving piece (14) that are used for driving spiral conveying shaft (13) rotation to muddy water in the output honeycomb duct (12).
4. A rigid-flexible transition section subgrade structure as set forth in claim 3, wherein: the second driving piece (14) comprises a first connecting shaft (141) rotatably arranged in the sewage outlet pipe (11), the rotation axis and the length direction of the first connecting shaft (141) are parallel to the length direction of the sewage outlet pipe (11), and the second driving piece (14) further comprises a second bevel gear (142) which is arranged on the first blade (101) and the first connecting shaft (141) and meshed with each other; the included angle between the sewage outlet pipe (11) and the guide pipe (12) is an obtuse angle, and the second driving piece (14) further comprises a universal joint (143) arranged between the first connecting shaft (141) and the spiral conveying shaft (13).
5. The rigid-flexible transition section roadbed structure according to claim 4, wherein: the universal joint (143) is sleeved with a protection pipe, the protection pipe is located between the sewage outlet pipe (11) and the guide pipe (12), the first connecting shaft (141) and the spiral conveying shaft (13) are connected with the universal joint (143) after entering the protection pipe, and two ends of the protection pipe are closed.
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| CN202211065809.3A CN115287957B (en) | 2022-09-01 | 2022-09-01 | Rigid-flexible transition section roadbed structure |
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| CN202211065809.3A CN115287957B (en) | 2022-09-01 | 2022-09-01 | Rigid-flexible transition section roadbed structure |
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| CN115287957A CN115287957A (en) | 2022-11-04 |
| CN115287957B true CN115287957B (en) | 2024-05-17 |
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| CN216695746U (en) * | 2021-12-31 | 2022-06-07 | 南京林业大学 | Regional rainwater collection test system based on urban landscape |
| CN216739718U (en) * | 2022-01-06 | 2022-06-14 | 宁波万基建设有限公司 | Plain concrete pile composite foundation |
| CN217246426U (en) * | 2022-01-07 | 2022-08-23 | 张阳 | Pipeline anti-blocking equipment for water supply management system |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003119803A (en) * | 2001-10-18 | 2003-04-23 | East Japan Railway Co | Foundation structure for supporting structure on existing base surface and constructing method thereof |
| CN211621068U (en) * | 2019-12-30 | 2020-10-02 | 四川兆硕建筑工程有限公司 | Road engineering anti-blocking dredging system |
| CN212478015U (en) * | 2020-05-16 | 2021-02-05 | 新乡市市政设计研究院有限公司 | Municipal administration road drainage desilting system |
| CN214328341U (en) * | 2020-12-16 | 2021-10-01 | 尼耀垒 | Highway subgrade drainage structure |
| CN215161563U (en) * | 2021-05-31 | 2021-12-14 | 江苏迪丞光电材料有限公司 | Sewage discharging device for ceramic material water purifying equipment |
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| CN217246426U (en) * | 2022-01-07 | 2022-08-23 | 张阳 | Pipeline anti-blocking equipment for water supply management system |
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| CN115287957A (en) | 2022-11-04 |
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