CN213358505U - Seepage-proofing reinforcing heightening structure for existing diseased river levee - Google Patents
Seepage-proofing reinforcing heightening structure for existing diseased river levee Download PDFInfo
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- CN213358505U CN213358505U CN202021540835.3U CN202021540835U CN213358505U CN 213358505 U CN213358505 U CN 213358505U CN 202021540835 U CN202021540835 U CN 202021540835U CN 213358505 U CN213358505 U CN 213358505U
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- seepage
- heightening
- reinforcing
- proofing
- soil
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 36
- 239000002689 soil Substances 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000004224 protection Effects 0.000 claims abstract description 25
- 239000006260 foam Substances 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 15
- 230000002265 prevention Effects 0.000 claims abstract description 14
- 230000002441 reversible effect Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 201000010099 disease Diseases 0.000 abstract description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 6
- 230000002045 lasting effect Effects 0.000 abstract description 2
- 239000011440 grout Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000007569 slipcasting Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
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- 239000010426 asphalt Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
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- 238000005260 corrosion Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
The utility model relates to an anti-seepage reinforcing and heightening structure for an existing diseased river bank, which comprises a water-resisting structure for a slope protection on the upstream face, a grouting anti-seepage reinforcing area, a slope protection diversion structure on the backside face and a foam light soil heightening area; the water-resisting structure of the upstream surface slope protection is positioned on the upstream surface side and comprises steel sheet piles, prefabricated square piles and a low pile cap; the low pile cap is L-shaped, the upper part of the L-shaped arm is provided with a groove, and a check net box is stacked and fixed in the groove; the grouting seepage-proofing reinforcing area is positioned on the longitudinal central axis of the original river levee; the back water surface slope protection flow guide structure consists of a drainage arris body of a toe and a back water widening body; the foam lightweight soil heightening area is positioned above the original river levee and is formed by pouring foam lightweight soil and a reinforcing mesh layer by layer. The utility model discloses can carry out prevention of seepage fast to the disease river levee and consolidate, form firm, stable and lasting prevention of seepage body, and fill the highway section and adopt foam light soil, effectively reduced the foundation after heightening the construction and subsided.
Description
Technical Field
The utility model relates to an anti-seepage reinforcement heightening structure in river levee engineering, concretely relates to existing disease river levee anti-seepage reinforcement heightening structure.
Background
The original river levee is seriously permeated and deformed due to the reasons of long-term overhaul and the like, the elevation of the levee top is reduced due to years of rain wash and settlement, and the phenomena of overtopping and even breakwater occur in the flood season, so that the original river levee needs to be reinforced and heightened. Seepage channels such as holes, cracks and the like in the river levee can be plugged by grouting, and are generally treated by cement-based cementing materials and the like, so that the curing time is long, the grout is easy to permeate and run off, and the plugging effect is poor; in addition, the bearing capacity of the horizontal stratum under the original river levee may not meet the newly added load generated by heightening, so that the settlement and deformation are increased, and even the foundation is unstable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a to the problem that exists in the construction of current disease river levee prevention of seepage, provide an existing disease river levee prevention of seepage and consolidated and add high structure, carry out prevention of seepage at original disease river levee and consolidate the construction, the river levee after the prevention of seepage is consolidated increases the construction.
In order to realize the technical purpose, the utility model discloses a following technical scheme:
the utility model relates to an existing disease river levee seepage-proofing reinforcing and heightening structure, which comprises a water-resisting structure of a water-facing surface slope protection, a grouting seepage-proofing reinforcing area, a water-guiding structure of a back-facing surface slope protection and a foam light soil heightening area; the water-resisting structure of the upstream face slope protection is positioned on the upstream face side and comprises a steel sheet pile, a prefabricated square pile and a low pile cap, the steel sheet pile is positioned on the upstream side, the low pile cap is L-shaped, the top end of the prefabricated square pile is inserted into the low pile cap for 0.3-0.5 m, and the upper end of the steel sheet pile is arranged in an L-shaped arm of the low pile cap; the upper part of the L-shaped arm of the low pile cap is provided with a groove, and a check net box is stacked and fixed in the groove; the grouting seepage-proofing reinforcing area is positioned on the longitudinal central axis of the original river levee; the back water surface slope protection flow guide structure consists of a drainage ridge body of a slope toe and a back water widening body, the back water widening body is formed by filling graded gravel soil and geogrids in a layered mode, the slope surface of the back water widening body is provided with a reverse filter body, the geogrids reversely wrap the reverse filter body, and seepage water in a river bank flows into a drainage ditch through the drainage ridge body; the foamed light soil heightening area is positioned above the original river levee and is formed by pouring foamed light soil and a reinforcing mesh layer by layer.
Preferably, the bottom surface of the low pile cap is flush with the lowest water level, the height of the L-shaped arm of the low pile cap is flush with the low water level of the flood control design, the top surface of the check net box is flush with the high water level of the flood control design, and graded gravel soil is filled between the low pile cap and the original river bank.
Preferably, the backwater side of the check-up net cage is provided with a reverse filter, the rear side of the check-up net cage is filled with graded gravel soil, a layer of geogrid is vertically arranged in the graded gravel soil at intervals of 0.5m, one end of the geogrid is reversely wrapped by the reverse filter and is effectively connected with the check-up net cage through binding steel wires, and the other end of the geogrid is fixed by inserting U-shaped nails into the graded gravel soil.
Preferably, a groove with the depth of 0.3-0.5 m and the width of 0.3m is formed in the position 0.5-1.0 m on the water-facing side of the top of the grouting seepage-proofing reinforcing area, a geotechnical seepage-proofing film is laid between the side face and the bottom face of the foam lightweight soil heightening area and the grouting seepage-proofing reinforcing area, and the geotechnical seepage-proofing film is embedded into the groove and compacted.
Preferably, the two sides of the reinforcing mesh in the foam light soil heightening area are connected with the geogrids in the graded gravel soil by binding steel wires, and the bottom surface of the foam light soil heightening area is flush with the flood prevention design high water level.
Preferably, a reinforcing mesh is laid in the foamed light soil raising area, and supporting ribs are welded on the surface of the reinforcing mesh at intervals.
The utility model has the advantages that:
1. compared with the traditional diaphragm wall construction, the method has the advantages of small disturbance, good anti-seismic and anti-cracking performance, convenient construction, environmental protection, low requirement on the operating environment and the like.
2. The utility model discloses the road surface section adopts foam light soil to fill, and the dead weight after the construction of having increased that significantly reduces requires to reduce the ground bearing capacity, has effectively reduced because the foundation that the construction of increasing arouses subsides.
3. The utility model discloses utilize the slip casting pipe to carry out the slip casting and consolidate, the slip casting material is two ingredient foaming polyurethane, and this high polymer material is the slice diffusion mode at the diffusion of the soil body, as long as satisfy slip casting speed and be greater than the gel speed of polymer, alright form the continuum from bottom to top, and the space in the coarse grained soil body is filled to crowded dense soil body, or the contact gap of filling soil body and building, form firm, stable and lasting prevention of seepage body.
4. The upstream face bank protection adopts polymer composite geotechnical bank protection, and material intensity is high, and corrosion-resistant, resistant microbial decomposition, ultraviolet resistance, anti-wave erosion, and easily vegetation, herbaceous plant, small-size bush, little arbor all can very good growth, can form flourishing vegetation effect, and ecological effect is good, simultaneously, the unit price is low, and the durability is high, long service life.
5. The reinforcing mesh is arranged in the foamed light soil, so that the connection stability between the foamed light soil and the graded gravel soil is improved, and the tensile property of the foamed light soil is enhanced.
6. The utility model discloses excavate former river levee bank protection into the step form to in-process is increased at the bank protection, a plurality of layers of geogrids have been laid, utilize the U type nail to insert and fix geogrid in the level joins in marriage sand gravel soil, effectively improve slope protection structure's wholeness and intensity, reduce the post-construction and subside.
Drawings
FIG. 1 is a schematic view of a river levee seepage-proofing reinforcing and heightening structure;
FIG. 2 is a schematic view of a grouting pipe structure;
FIG. 3 is a schematic view of an expansion joint structure;
FIG. 4 is a schematic view of a configuration of a check-up net cage and geogrid turn-up section;
FIG. 5 is a schematic diagram of a groove structure;
fig. 6 is a schematic view of a mesh reinforcement structure.
The figure is marked with: 1-upstream face, 2-foam light soil elevated area, 3-backwater expanded body, 4-grouting seepage-proofing reinforced area, 5-low pile cap, 6-check net cage, 7-graded gravel soil, 8-geogrid, 9-inverted filter, 10-steel sheet pile, 11-prefabricated square pile, 12-groove, 13-geotechnical membrane, 14-U-shaped nail, 15-steel bar net, 16-grouting pipe, 17-drainage prism, 18-iron nail, 19-asphalt crack filling body, 20-steel cover plate, 21-grid inverted wrapping section, 22-binding steel wire, 23-gravel cushion layer, 24-grouting core pipe, 25-grouting hole, 26-grout-stopping plug, 27-rubber grout-stopping ring, 28-shooting bed surface, 29-river surface, 30-pavement, 31-original river bank, 32-support ribs, 33-drainage ditch, 34-lowest water level, 35-flood control design low water level and 36-flood control design high water level.
Detailed Description
In order to deepen understanding of the present invention, the embodiments of the present invention will be described in detail below with reference to fig. 1 to 6, and the following embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments are given, but the scope of protection of the present invention is not limited to the following embodiments.
The existing diseased river bank seepage-proofing reinforcing and heightening structure shown in the attached drawing 1 comprises an upstream face slope protection water-resisting structure, a grouting seepage-proofing reinforcing area 4, a downstream face slope protection flow guide structure and a foam light soil heightening area 2.
The water-resisting structure of the upstream face slope protection is located on the 1 side of the upstream face and comprises a steel plate pile 10, a prefabricated square pile 11 and a low pile cap 5, the steel plate pile 10 is located on the side close to the water, the low pile cap 5 is in an L shape, the top end of the prefabricated square pile 11 is inserted into the low pile cap 5 for 0.3-0.5 m, and the upper end of the steel plate pile 10 is arranged in an L-shaped arm of the low pile cap 5. The bottom surface of the low pile cap 5 is flush with the lowest water level 34, and the height of the L-shaped arm of the low pile cap 5 is flush with the flood prevention design low water level 35. Graded gravel soil 7 is filled between the low pile cap 5 and the original river levee 31.
The upper part of an L-shaped arm of the low pile cap 5 is provided with a groove, a check net box 6 is piled and fixed in the groove, the top surface of the check net box 6 is flush with a flood prevention design high water level 36, the back water side of the check net box 6 is provided with a reverse filter 9, the rear side is filled with graded gravel soil 7, a layer of geogrid 8 is vertically arranged in the graded gravel soil 7 at intervals of 0.5m, one end of the geogrid 8 is reversely wrapped by the reverse filter 9 and is effectively connected with the check net box 6 by a binding steel wire 22, and as shown in the attached figure 4, the other end of the geogrid is fixed by inserting a U-shaped nail 14 into the graded gravel soil 7.
The back water surface slope protection flow guide structure is composed of a drainage ridge body 17 of a toe and a back water spreading body 3, the back water spreading body 3 is formed by filling graded gravel soil 7 and geogrids 8 in a layered mode, the slope surface of the back water spreading body 3 is provided with an anti-filter body 9, the geogrids 8 cover the anti-filter body 9 in a reversed mode, and seepage water in a river bank flows into a drainage ditch 33 through the drainage ridge body 17.
The foam lightweight soil heightening area 2 is positioned above the original river levee 31 and is formed by pouring foam lightweight soil and a reinforcing mesh 15 in a layered mode. Two sides of a reinforcing mesh 15 in the foam light soil heightening area 2 are connected with the geogrid 8 in the graded gravel soil 7 through binding steel wires 22, and the bottom surface of the foam light soil heightening area 2 is flush with a flood prevention design high water level 36. The foam lightweight soil heightening area 2 is longitudinally provided with expansion joints at intervals, asphalt gap filling bodies 19 are filled, steel cover plates 20 are covered and fixed by iron nails 18, and the structure is shown in figure 3.
The grouting seepage-proofing reinforcing area 4 is positioned on the longitudinal central axis of the original river levee 31. The grouting seepage-proofing reinforcing area 3 is formed by using a grouting pipe 16 to perform seepage-proofing reinforcement on an existing diseased river levee, the top of the grouting pipe 16 is a grouting core pipe 24, the grouting core pipe is wrapped by a non-grouting core pipe, the middle part of the grouting pipe 16 is connected with an inner core floral pipe by a connecting interface, the wall of the inner core floral pipe is provided with a grouting hole 25 and is embedded into the grouting floral pipe, the lower part of the inner core floral pipe is inserted into a grout stopping plug 26, the wall of the lower part of the grouting pipe 16 is provided with a rubber grout stopping ring 27, the inner part of the grouting pipe is provided with a grout injecting hole 28, and the.
A groove 12 with the depth of 0.3-0.5 m and the width of 0.3m is formed in the position 0.5-1.0 m on the water-facing side of the top of the grouting seepage-proofing reinforcing area 4, a geotechnical seepage-proofing film 13 is laid between the side face and the bottom face of the foam lightweight soil heightening area 2 and the grouting seepage-proofing reinforcing area 4, and the geotechnical seepage-proofing film 13 is embedded into the groove 12 and compacted, as shown in figure 5.
The above embodiments are only used for explaining the technical idea of the present invention, not for the limitation of the protection of the right of the present invention, and all the modifications that are insubstantial to the present invention are carried out by using this idea, all fall into the protection scope of the present invention.
Claims (5)
1. The existing diseased river bank seepage-proofing reinforcing and heightening structure is characterized by comprising a water-resisting structure of an upstream face slope protection, a grouting seepage-proofing reinforcing area (4), a backwater face slope protection flow guide structure and a foam light soil heightening area (2); the water-resisting structure of the upstream face slope protection is positioned on the upstream face (1) side and comprises a steel plate pile (10), a prefabricated square pile (11) and a low pile cap (5), the steel plate pile (10) is positioned on the upstream side, the low pile cap (5) is L-shaped, the top end of the prefabricated square pile (11) is inserted into the low pile cap (5) for 0.3-0.5 m, and the upper end of the steel plate pile (10) is arranged in an L-shaped arm of the low pile cap (5); a groove is arranged at the upper part of the L-shaped arm of the low pile cap (5), and a check net box (6) is stacked and fixed in the groove; the grouting seepage-proofing reinforcing area (4) is positioned on the longitudinal central axis of the original river bank (31); the back water surface slope protection flow guide structure comprises a drainage ridge body (17) at the toe of a slope and a back water spreading body (3), the back water spreading body (3) is formed by filling graded gravel soil (7) and geogrids (8) in a layered mode, a reverse filter body (9) is arranged on the slope surface of the back water spreading body (3), the geogrids (8) reversely wrap the reverse filter body (9), and seepage water in a river bank flows into a drainage ditch (33) through the drainage ridge body (17); the foam lightweight soil heightening area (2) is positioned above the original river levee (31) and is formed by pouring foam lightweight soil and a reinforcing mesh (15) layer by layer.
2. The seepage-proofing, reinforcing and heightening structure for the existing diseased river levee according to claim 1, characterized in that: the low pile cap (5) bottom surface flushes with minimum water level (34), and low pile cap (5) "L" type arm height flushes with flood prevention design low water level (35), the top surface and the flood prevention of check guest net cage (6) are designed high water level (36) and are flushed, are filled with level and are joined in marriage gravel soil (7) between low pile cap (5) and former river levee (31).
3. The seepage-proofing, reinforcing and heightening structure for the existing diseased river levee according to claim 1, characterized in that: the backwater side of check guest cage (6) is equipped with anti-filter (9), and graded gravel soil (7) is filled to the rear side, and vertical every 0.5m sets up one deck geogrid (8) in graded gravel soil (7), and anti-filter (9) are wrapped to geogrid (8) one end to ligature steel wire (22) and check guest cage (6) effective connection, and the other end is fixed with U shaped nail (14) insertion graded gravel soil (7).
4. The seepage-proofing, reinforcing and heightening structure for the existing diseased river levee according to claim 1, characterized in that: a groove (12) with the depth of 0.3-0.5 m and the width of 0.3m is formed in the position 0.5-1.0 m on the water-facing side of the top of the grouting seepage-proofing reinforcing area (4), a seepage-proofing geomembrane (13) is laid between the side face and the bottom face of the foam light soil heightening area (2) and the grouting seepage-proofing reinforcing area (4), and the seepage-proofing geomembrane (13) is embedded into the groove (12) and compacted.
5. The seepage-proofing, reinforcing and heightening structure for the existing diseased river levee according to claim 1, characterized in that: two sides of a reinforcing mesh (15) in the foam light soil heightening area (2) are connected with a geogrid (8) in the graded gravel soil (7) through binding steel wires (22), and the bottom surface of the foam light soil heightening area (2) is flush with a flood prevention design high water level (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021540835.3U CN213358505U (en) | 2020-07-30 | 2020-07-30 | Seepage-proofing reinforcing heightening structure for existing diseased river levee |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021540835.3U CN213358505U (en) | 2020-07-30 | 2020-07-30 | Seepage-proofing reinforcing heightening structure for existing diseased river levee |
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| CN213358505U true CN213358505U (en) | 2021-06-04 |
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| CN202021540835.3U Expired - Fee Related CN213358505U (en) | 2020-07-30 | 2020-07-30 | Seepage-proofing reinforcing heightening structure for existing diseased river levee |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960545A (en) * | 2022-06-08 | 2022-08-30 | 长江勘测规划设计研究有限责任公司 | Green road system constructed on soft foundation permeable dike and construction method thereof |
-
2020
- 2020-07-30 CN CN202021540835.3U patent/CN213358505U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960545A (en) * | 2022-06-08 | 2022-08-30 | 长江勘测规划设计研究有限责任公司 | Green road system constructed on soft foundation permeable dike and construction method thereof |
| CN114960545B (en) * | 2022-06-08 | 2023-11-10 | 长江勘测规划设计研究有限责任公司 | Green road system constructed on soft foundation permeable dike and construction method thereof |
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