CN217922839U - High-speed railway buried high embankment structure in deep and thick miscellaneous fill-up area - Google Patents
High-speed railway buried high embankment structure in deep and thick miscellaneous fill-up area Download PDFInfo
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- CN217922839U CN217922839U CN202221308479.1U CN202221308479U CN217922839U CN 217922839 U CN217922839 U CN 217922839U CN 202221308479 U CN202221308479 U CN 202221308479U CN 217922839 U CN217922839 U CN 217922839U
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Abstract
The utility model relates to a railway engineering technical field specifically discloses a high embankment structure is buried to deep miscellaneous fill-up district high speed railway, including high embankment and fill-up region, the fill-up region includes first back fill reverse pressure district, the second back fill reverse pressure district, first miscellaneous fill-up district and the miscellaneous fill-up district of second, high embankment buries in the top on original ground, first miscellaneous fill-up district buries in one side of high embankment, the miscellaneous fill-up district of second buries in the opposite side of high embankment, first back fill reverse pressure district buries between first miscellaneous fill-up district and high embankment, and first back fill reverse pressure district buries in the top of first miscellaneous fill-up district and high embankment, the second back fill reverse pressure district buries between the miscellaneous fill-up district of second and high embankment, and the second back fill reverse pressure district buries in the top of miscellaneous fill-up district and high embankment. The structure can greatly reduce the construction cost of foundation reinforcement, greatly shorten the construction period and save the engineering investment.
Description
Technical Field
The utility model relates to a railway engineering technical field especially relates to a high-speed railway buries formula high embankment structure in dark miscellaneous fill area.
Background
At present, in the process of filling and burying a high-speed railway, the deep and thick miscellaneous filling soil is difficult to avoid passing through a thick area of miscellaneous filling soil, and is mostly filled by local waste soil, so that the deep and thick miscellaneous filling soil is under-compacted and moist, has poor component and sorting property, is poor in overall stability and large in self sedimentation amount, is difficult to meet the strict control requirement of zero sedimentation of the high-speed railway, and has great threat to the safe operation of the railway.
In the prior art, a deep and thick miscellaneous filling foundation with a depth of more than 10m is constructed by measures such as compaction replacement, CFG (cement fly-ash gravel) piles, plain concrete piles, prestressed pipe piles, pile slab (raft) spanning and the like.
However, in the prior art, the construction period is long, the construction cost is high and the construction quality is difficult to control.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-speed railway buries formula high embankment structure in dark miscellaneous district that bankets has solved the construction period among the prior art long to the cost is high and construction quality uncontrollable's problem.
In order to achieve the above object, the utility model discloses a high embankment structure is buried to deep miscellaneous landfill district high-speed railway, including high embankment and landfill area, the landfill area includes first back filling reverse pressure district, second back filling reverse pressure district, first miscellaneous landfill district and the miscellaneous landfill district of second, high embankment buries in the top on original ground, first miscellaneous landfill district bury in one side of high embankment, the miscellaneous landfill district of second bury in the opposite side of high embankment, first back filling reverse pressure district bury in first miscellaneous landfill district with between the high embankment, just first back filling reverse pressure district bury in first miscellaneous landfill district with the top of high embankment, the back pressure district of second back filling bury in the miscellaneous landfill district of second with between the high embankment, and the back pressure district of second back filling in the miscellaneous landfill district with the top of high embankment.
The soil filling area further comprises a supporting infiltration ditch, and the supporting infiltration ditch is arranged on one side of the second miscellaneous soil filling area.
Wherein, fill out the soil region and still include chevron shape skeleton bank protection, chevron shape skeleton bank protection set up in support one side of infiltration ditch.
The soil filling area further comprises a plurality of anti-slide piles, one end of each anti-slide pile is buried in the original ground, and the other end of each anti-slide pile is buried in the second miscellaneous soil filling area.
The buried high embankment structure of the high-speed railway in the deep and thick miscellaneous fill area further comprises two drainage areas, and each drainage area is arranged above the corresponding first backfill reverse pressure area and the second backfill reverse pressure area respectively.
Wherein, every the drainage zone includes escape canal support body, panel and filter screen, the drain pipe support body set up in the top of first back-filling reverse pressure district, the quantity of panel is the polylith, every the panel is laid respectively in the top of escape canal support body, just the panel lid closes the escape canal support body, the quantity of filter screen is the polylith, every the filter screen respectively with correspond panel fixed connection to inlay respectively in corresponding the inside of panel.
Wherein, every the drainage zone still includes interior row's subassembly, interior row's subassembly set up in the inside of escape canal support body.
The inner row assembly comprises a bottom plate, two side plates and an arch plate, the number of the side plates is two, the two side plates are fixedly connected with the bottom plate and are respectively positioned above the bottom plate, the two side plates are respectively arranged in the drainage ditch frame body, and the arch plate is fixedly connected with the two side plates and is positioned between the two side plates.
Wherein, interior row of subassembly still includes the foundation, the foundation with escape canal support body fixed connection, and be located escape canal support body's inside.
The utility model discloses a high-speed railway of dark miscellaneous fill zone buries formula high embankment structure adopts the original place to dig after the sunning, and the layering is backfilled and is rolled with the layering, and the place is backfilled to the biggest and highly can reach about 30m, reduces miscellaneous fill spoil outward transport, not only can utilize former usable miscellaneous fill nearby, also can utilize partial tunnel to abandon the sediment, passes through simultaneously first backfill counterpoint with the second backfill counterpoint is right high embankment forms the backpressure, can ensure high embankment reliable and stable adopts stereoplasm block stone to fill up high embankment buries underground and becomes the manual work and consolidates the ground, through the layering impact and rolls reinforcing high road bed rigidity, subsides after the effective control industry, through "bury formula high embankment" and "both sides backfill counterpoint zone" combine together and form geotechnological integrated configuration, treats high embankment as a kind of compaction ground, has reduced foundation consolidation cost by a wide margin, shortens the time of a project investment by a wide margin and saves the engineering.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 isbase:Sub>A sectional view of thebase:Sub>A-base:Sub>A line structure of fig. 1 according to the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 4 is a schematic structural view of a drain region according to a second embodiment of the present invention.
Fig. 5 is a partial structural schematic diagram of a third embodiment of the present invention.
Fig. 6 is a cross-sectional view of the B-B line structure of fig. 5 according to the present invention.
101-high embankment, 102-first backfill reverse pressure region, 103-second backfill reverse pressure region, 104-first miscellaneous fill region, 105-second miscellaneous fill region, 106-support infiltration ditch, 107-herringbone framework revetment, 108-slide pile, 201-drainage ditch frame body, 202-panel, 203-filter screen, 204-bottom plate, 205-side plate, 206-arch plate, 207-bottom column, 301-snap ring, 302-first reinforcing plate, 303-second reinforcing plate, 304-stud and 305-blocking column.
Detailed Description
The first embodiment of the present application is:
referring to fig. 1 and fig. 2, wherein fig. 1 isbase:Sub>A schematic structural diagram ofbase:Sub>A first embodiment, and fig. 2 isbase:Sub>A sectional view of anbase:Sub>A-base:Sub>A line structure of fig. 1, the present invention providesbase:Sub>A buried high embankment structure ofbase:Sub>A high-speed railway inbase:Sub>A deep miscellaneous fill area: the high-rise embankment construction method comprises a high-rise embankment 101 and a soil filling area, wherein the soil filling area comprises a first backfill reverse pressure area 102, a second backfill reverse pressure area 103, a first mixed soil filling area 104, a second mixed soil filling area 105, a supporting seepage ditch 106, a herringbone framework revetment 107 and an anti-slide pile 108.
According to the embodiment, the high embankment 101 is back-pressed by the first back-filling back-pressing area 102 and the second back-filling back-pressing area 103, so that the stability and reliability of the high embankment 101 can be ensured, and the high embankment 101 is regarded as a compacted foundation by forming a geotechnical combined structure by combining the 'buried high embankment' and the 'back-pressing areas filled on two sides', so that the construction cost of foundation reinforcement is greatly reduced.
Wherein the high embankment 101 is buried above the original ground, the first miscellaneous fill area 104 is buried at one side of the high embankment 101, the second miscellaneous fill area 105 is buried at the other side of the high embankment 101, the first backfill reverse pressure area 102 is buried between the first miscellaneous fill area 104 and the high embankment 101, the first backfill reverse pressure area 102 is buried above the first miscellaneous fill area 104 and the high embankment 101, the second backfill reverse pressure area 103 is buried between the second miscellaneous fill area 105 and the high embankment 101, the second backfill reverse pressure area 103 is buried above the second miscellaneous fill area 105 and the high embankment 101, the high embankment 101 is filled with hard rock which is difficult to be weathered, the slope of the high embankment 101 is not less than 1.15, the filling starting point is 30cm below the original ground line, the high embankment 101 is filled with not less than 2m per height, the compaction is not less than 1 m per height of the high embankment 101, and the compaction is performed on the high embankment 101 and the high backfill after the compaction, the compaction is performed on the first backfill reverse pressure area 102 and the high embankment 101, and the compaction is performed on the high embankment, and the high embankment is performed after the compaction.
Next, the supporting infiltration ditch 106 is disposed at one side of the second miscellaneous fill area 105, the supporting infiltration ditch 106 is used as a main framework of the herringbone framework revetment 107, and the ditch interval of the supporting infiltration ditch 106 is 4.0m.
Meanwhile, the herringbone framework protection slope 107 is arranged on one side of the supporting infiltration ditch 106, and the herringbone framework protection slope 107 can prevent the slope edge from being washed.
In addition, the number of the anti-slide piles 108 is multiple, one end of each anti-slide pile 108 is buried in the original ground, the other end of each anti-slide pile 108 is buried in the second miscellaneous fill area 105, the anti-slide piles 108 are cast in place by reinforced concrete and located on the thicker and higher side of the miscellaneous fill to play a role in temporary reinforcement, a 5m platform is arranged on the pile top, the anti-slide piles 108 are cast in place by reinforced concrete, the pile spacing is 6m, the pile section size is 1.5m × 2.0m, and the anti-slide piles 108 play a role in temporary retaining to ensure the safety and stability of the miscellaneous fill after excavation when the high embankment 101 is filled.
When the buried high embankment structure of the high-speed railway in the deep and thick miscellaneous fill area is used, after in-situ digging and airing are adopted, layered backfilling and layered rolling are carried out, the maximum backfill height of the field can reach about 30m, the outward transportation of miscellaneous fill waste soil is reduced, not only originally available miscellaneous fill soil can be utilized nearby, but also partial tunnel waste slag can be utilized, meanwhile, the first backfilling counterpressure area 102 and the second backfilling counterpressure area 103 form counterpressure on the high embankment 101, the high embankment 101 can be ensured to be stable and reliable, the high embankment 101 filled by hard rock blocks is buried underground to become an artificial reinforced foundation, and the high roadbed rigidity is enhanced by layered impact rolling, the method effectively controls the settlement after construction, a geotechnical combined structure is formed by combining a buried high embankment and a reverse pressure area backfilled on two sides, the high embankment 101 is regarded as a compacted foundation, the construction cost of foundation reinforcement is greatly reduced, the construction period is greatly shortened, the engineering investment is saved, meanwhile, the supporting seepage ditch 106 is used as a main framework of the herringbone framework protection slope 107, the ditch interval of the supporting seepage ditch 106 is 4.0m, the herringbone framework protection slope 107 can prevent the slope edge from being washed away, the anti-slide pile 108 is cast in situ by adopting reinforced concrete and is positioned on the higher side where the miscellaneous fill is thick, the temporary reinforcement effect is achieved, and a 5m platform is arranged on the pile top.
The second embodiment of the present application is:
on the basis of the first embodiment, please refer to fig. 3 and fig. 4, wherein fig. 3 is a schematic structural diagram of the second embodiment, fig. 4 is a schematic structural diagram of a drainage area of the second embodiment, the utility model provides a deep miscellaneous fill area high-speed railway buried high embankment structure: still include the drain zone, the drain zone includes escape canal support body 201, panel 202, filter screen 203 and interior row of subassembly, interior row of subassembly includes bottom plate 204, curb plate 205, arched plate 206 and sill 207.
To this embodiment, through panel 202 is right escape canal support body 201 covers, when the drainage, through filter screen 203 filters large-scale impurity, can prevent large-scale impurity to panel 202 blocks up, and simultaneously behind silt blockked up filter screen 203, also can use high-pressure squirt to clear up silt fast, interior row's subassembly can let rivers have multiple passageway to arrange away, prevents to block up.
Wherein, the quantity of drainage zone is two, every the drainage zone sets up respectively in corresponding first backfill reverse pressure district 102 with the top of second backfill reverse pressure district 103, the drain pipe support body set up in the top of first backfill reverse pressure district 102, the quantity of panel 202 is the polylith, every panel 202 lays respectively in the top of escape canal support body 201, just panel 202 closes escape canal support body 201, the quantity of filter screen 203 is the polylith, every filter screen 203 respectively with correspond panel 202 fixed connection to inlay respectively in corresponding the inside of panel 202, through panel 202 is right escape canal support body 201 closes, during the drainage, through filter screen 203 filters large-scale impurity, can prevent that large-scale impurity from to panel 202 blocks up, simultaneously behind silt blockked up the filter screen 203, also can use the high-pressure squirt to clear up silt fast, the interior subassembly can let rivers have multiple passageway to arrange away, prevents to block up.
Secondly, interior row's subassembly set up in the inside of drainage ditch support body 201, the quantity of curb plate 205 is two, two curb plate 205 respectively with bottom plate 204 fixed connection, and be located respectively the top of bottom plate 204, and two curb plate 205 set up respectively in the inside of drainage ditch support body 201, arch bar 206 and two curb plate 205 fixed connection, and be located two between the curb plate 205, pass through as rivers filter screen 203 with panel 202 discharges into extremely behind the inside of drainage ditch support body 201, can pass through respectively the bottom plate 204 curb plate 205 with arch bar 206 arranges rivers away, has reduced the risk that drainage zone is blockked up.
And, the foundation column 207 with the drainage ditch support body 201 fixed connection, and be located the inside of drainage ditch support body 201, the foundation column 207 is right the drainage ditch support body 201 supports.
Use a high-speed railway of deep miscellaneous fill area of this embodiment to bury high embankment structure, through panel 202 is right drainage ditch support body 201 covers and closes, when the drainage, through filter screen 203 filters large-scale impurity, can prevent that large-scale impurity from right panel 202 blocks up, blocks up the back at silt to filter screen 203 simultaneously, also can use high-pressure squirt to clear up silt fast, passes through as rivers filter screen 203 with panel 202 emits into extremely behind drainage ditch support body 201's the inside, can pass through respectively bottom plate 204 curb plate 205 with arch bar 206 arranges away rivers, has reduced drainage area is blockked up the risk, simultaneously the foundation 207 is right drainage ditch support body 201.
The third embodiment of the present application is:
on the basis of the second embodiment, please refer to fig. 5 and fig. 6, wherein fig. 5 is a schematic partial structure diagram of the third embodiment, and fig. 6 is a sectional view of a B-B line structure of fig. 5, the utility model provides a deep miscellaneous fill-up area high-speed railway buried high embankment structure: the fastening device further comprises a fastening mechanism, wherein the fastening mechanism comprises a clamping ring 301, a first fastening plate 302, a second fastening plate 303, a stud 304 and a plugging column 305.
In the present embodiment, the first reinforcing plate 302 and the second reinforcing plate 303 are fixed to the outer surface wall of the slide-resistant pile 108 by the stud 304, so that the tensile strength of the slide-resistant pile 108 can be enhanced, the slide-resistant pile 108 can be prevented from being displaced, and the strength of the slide-resistant pile 108 can be increased.
The number of the reinforcing mechanisms is plural, the reinforcing mechanisms are respectively disposed on the outer surface wall of the slide-resistant pile 108, the snap ring 301 is fixedly connected with the slide-resistant pile 108 and sleeved on the outer surface wall of the slide-resistant pile 108, the first reinforcing plate 302 and the second reinforcing plate 303 are respectively sleeved on the outer surface wall of the snap ring 301, the number of the studs 304 is two, each stud 304 respectively penetrates through the first reinforcing plate 302 and is in threaded connection with the second reinforcing plate 303, the first reinforcing plate 302 and the second reinforcing plate 303 are fixed on the outer surface wall of the slide-resistant pile 108 through the studs 304, the position is limited through the snap ring 301, and the sliding resistance and the tensile strength of the slide-resistant pile 108 can be enhanced through the first reinforcing plate 302 and the second reinforcing plate 303.
Secondly, the number of the blocking columns 305 is two, each blocking column 305 is respectively arranged inside the first reinforcing plate 302, and the blocking columns 305 can protect an opening at one end of the stud 304, so that the erosion of soil is reduced.
When the buried high embankment structure of the high-speed railway in the deep and thick miscellaneous fill area of the embodiment is used, the first reinforcing plate 302 and the second reinforcing plate 303 are fixed to the outer surface wall of the slide-resistant pile 108 through the stud 304, and are limited through the snap ring 301, so that the slide resistance and the tensile resistance of the slide-resistant pile 108 can be enhanced through the first reinforcing plate 302 and the second reinforcing plate 303, and meanwhile, the blocking column 305 can block and protect an opening at one end of the stud 304, thereby reducing the erosion of soil to the stud 304.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A buried high embankment structure of a high-speed railway in a deep and thick miscellaneous fill area comprises a high embankment and is characterized in that,
also comprises a soil filling area;
the earth filling region comprises a first back-filling area, a second back-filling area, a first miscellaneous earth filling area and a second miscellaneous earth filling area, the high embankment is buried above the original ground, the first miscellaneous earth filling area is buried at one side of the high embankment, the second miscellaneous earth filling area is buried at the other side of the high embankment, the first back-filling area is buried between the first miscellaneous earth filling area and the high embankment, the first back-filling area is buried above the first miscellaneous earth filling area and the high embankment, the second back-filling area is buried between the second miscellaneous earth filling area and the high embankment, and the second back-filling area is buried above the second miscellaneous earth filling area and the high embankment.
2. The buried high embankment structure of high speed railway with deep and miscellaneous fill-up area according to claim 1,
the soil filling area further comprises a supporting infiltration ditch, and the supporting infiltration ditch is arranged on one side of the second miscellaneous soil filling area.
3. The buried high embankment structure of high speed railway with deep and miscellaneous fill-up area according to claim 2,
the soil filling area further comprises a herringbone framework slope protection, and the herringbone framework slope protection is arranged on one side of the supporting infiltration ditch.
4. The buried high-speed railway embankment structure according to claim 3, wherein the deep miscellaneous fill area is formed by a deep miscellaneous fill area,
the landfill area further comprises a plurality of anti-slide piles, one end of each anti-slide pile is buried in the original ground, and the other end of each anti-slide pile is buried in the second miscellaneous landfill area.
5. The buried high embankment structure of high speed railway with deep and miscellaneous fill-up area according to claim 4,
the buried high embankment structure of the high-speed railway in the deep and thick miscellaneous fill area further comprises two drainage areas, and each drainage area is arranged above the corresponding first backfill reverse pressure area and the second backfill reverse pressure area respectively.
6. The buried high embankment structure of high speed railway with deep and miscellaneous fill-up area according to claim 5,
every the drainage zone includes escape canal support body, panel and filter screen, the drain pipe support body set up in the top in first back-filling counterpressure district, the quantity of panel is the polylith, every the panel is laid respectively in the top of escape canal support body, just the panel lid closes the escape canal support body, the quantity of filter screen is the polylith, every the filter screen respectively with correspond panel fixed connection to inlay respectively in corresponding the inside of panel.
7. The buried high embankment structure of high speed railway with deep and miscellaneous fill-up area according to claim 6,
every the drainage area still includes interior row of subassembly, interior row of subassembly set up in the inside of escape canal support body.
8. The buried high embankment structure of high speed railway with deep and miscellaneous fill-up area according to claim 7,
the inner row assembly comprises a bottom plate, two side plates and an arch bar, wherein the number of the side plates is two, the two side plates are fixedly connected with the bottom plate and are respectively positioned above the bottom plate, the two side plates are respectively arranged in the drainage ditch frame body, and the arch bar is fixedly connected with the two side plates and is positioned between the two side plates.
9. The buried high embankment structure of high speed railway with deep and miscellaneous fill-up area according to claim 8,
interior row of subassembly still includes the foundation, the foundation with escape canal support body fixed connection, and be located escape canal support body's inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221308479.1U CN217922839U (en) | 2022-05-27 | 2022-05-27 | High-speed railway buried high embankment structure in deep and thick miscellaneous fill-up area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221308479.1U CN217922839U (en) | 2022-05-27 | 2022-05-27 | High-speed railway buried high embankment structure in deep and thick miscellaneous fill-up area |
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| Publication Number | Publication Date |
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| CN217922839U true CN217922839U (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221308479.1U Active CN217922839U (en) | 2022-05-27 | 2022-05-27 | High-speed railway buried high embankment structure in deep and thick miscellaneous fill-up area |
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| CN (1) | CN217922839U (en) |
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2022
- 2022-05-27 CN CN202221308479.1U patent/CN217922839U/en active Active
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