CN219260885U - Water conservancy assembled slope protection structure for steep embankment slope - Google Patents
Water conservancy assembled slope protection structure for steep embankment slope Download PDFInfo
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- CN219260885U CN219260885U CN202320172284.7U CN202320172284U CN219260885U CN 219260885 U CN219260885 U CN 219260885U CN 202320172284 U CN202320172284 U CN 202320172284U CN 219260885 U CN219260885 U CN 219260885U
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Abstract
The utility model discloses a water conservancy assembled slope protection structure for a steep dike slope, which is provided with an assembled slope protection along the dike slope surface, wherein the assembled slope protection is assembled by a plurality of slope protection frames; geotextile (a) and a broken stone cushion layer are paved between the assembled slope protection and the embankment slope; the bottoms of the assembled slope protection, the geotechnical cloth a and the crushed stone cushion layer are arranged in a groove formed in the concrete foundation; the back water side of the concrete foundation is heightened upwards according to the height of the embankment slope to form a backrest, the water facing side of the backrest is a broken stone cushion layer, and the back water side is a filled embankment slope; and the burial depth of the water facing side of the concrete foundation is calculated and determined according to the erosion depth of the embankment, and a broken stone cushion foundation is paved at the lower part of the concrete foundation. The utility model reforms the original water conservancy assembled slope protection structure suitable for the steep embankment slope, so that the steep embankment slope protection structure has better soil retaining performance while meeting ecological aesthetic property, improves the applicability of the assembled slope protection on the steep embankment slope, and can effectively reduce the basic treatment capacity of the embankment.
Description
Technical Field
The utility model belongs to the technical field of ecological slope protection structures in water conservancy industry, and relates to a water conservancy assembled slope protection structure for a steep dike slope.
Background
In river course embankment engineering treatment, the prefabricated assembled bank protection that construction is convenient, the durability is high, ecological effect is good is used more and more extensively, can select prefabricated assembled bank protection of different slope ratios, materials, shape, size to different embankments, simultaneously, can combine plant to plant, rubble sand bag to pack etc. to provide good growth living space for plant, aquatic organism, reaches better afforestation, ecological effect.
However, at present, the water conservancy assembled slope protection embankment section mainly depends on the stability of the original embankment slope, and aiming at the steep river section of the embankment slope, the stability requirements are met by adopting modes of embankment slope filling, reinforced soil or foundation treatment and the like. The utility model optimizes the water conservancy assembled slope protection structure and improves the applicability of the water conservancy assembled slope protection structure on the section of the steep embankment slope.
Disclosure of Invention
The utility model aims to provide a water conservancy assembled slope protection structure for a steep dike slope, which is used for transforming an original assembled slope protection concrete foundation into a soil retaining and scour preventing structure, and can play a role in supporting a higher dike slope section as scour preventing foot protection.
The technical scheme adopted by the utility model is that the water conservancy assembled slope protection structure for the steep dike slope is provided with assembled slope protection along the dike slope surface, and the assembled slope protection is assembled by a plurality of slope protection frames; geotextile (a) and a broken stone cushion layer are paved between the assembled slope protection and the embankment slope; the bottoms of the assembled slope protection, the geotechnical cloth a and the crushed stone cushion layer are arranged in a groove formed in the concrete foundation; the back water side of the concrete foundation is heightened upwards according to the height of the embankment slope to form a backrest, the water facing side of the backrest is a broken stone cushion layer 3, and the back water side is a filled embankment slope; and the burial depth of the water facing side of the concrete foundation is calculated and determined according to the erosion depth of the embankment, and a broken stone cushion foundation is paved at the lower part of the concrete foundation.
The present utility model is also characterized in that,
furthermore, the slope ratio of the slope protection back water side embankment slope is 1:0.3-1:1, and embankment filling materials and standards are carried out according to the requirements of embankment design specifications.
Further, a bottom broken stone cushion layer foundation with the thickness of 10cm is arranged below the concrete foundation, and the bottom broken stone cushion layer foundations extend 20cm respectively on the left side and the right side of the concrete foundation.
Further, the concrete foundation is an inclined retaining wall structure, the wall site steps are provided with grooves serving as the foundation of the assembled slope protection, the depth of the grooves is 0.2m, the width is combined with the width of the bottom of the assembled slope protection and the width of the crushed stone cushion layer arranged after the slope protection, the upstream face slope ratio of the grooves is consistent with the shape of the assembled slope protection, and the downstream face slope ratio is consistent with the embankment slope.
Further, the burial depth of the concrete foundation is controlled according to the erosion prevention depth of the embankment, the height of the back water side wall top is 0-3 m away from the embankment top, the width of the back water side wall top at the water facing side is 50cm, the wall bottom is 2m wide, and the slope side slope ratio of the concrete foundation, which is close to the embankment, is adjusted according to the height condition of the backrest.
Furthermore, the assembled revetments are installed in a layered mode according to the technical standard of corresponding factories, the normal water level is used as a boundary, the revetment frame below the normal water level is filled with the block stones or pebbles, the grain size is not smaller than 20cm, the revetment frame above the normal water level is filled with 60% of the block stones or pebbles, the grain size is not smaller than 20cm, the block stones or pebbles are filled with planting soil in gaps, and ecological plants can be planted in the revetment frame.
Further, geotextile b in the frame should be laid along the hole that exposes in the bank protection frame, guarantees that the interior stone block of bank protection frame or pebble, planting soil are difficult for being washed out outside the frame after receiving rivers to wash.
Further, 300g/m is paved on the back of the assembled slope protection in sequence 2 Geotextile a and a 20cm thick crushed stone cushion layer, wherein the overlap joint of the geotextile a is not less than 150mm. When a slope protection frame is not sufficiently stacked at the slope top, the slope protection frame can be built to the slope top by adopting the stone masonry.
Further, the height of the top of the concrete foundation backrest from the road surface at the top of the embankment is not more than 3m, and the specific body height is determined through stable calculation according to the soil filling quality and the height of the embankment.
Further, an expansion joint is arranged every 15m of the concrete foundation, the joint width is 20mm, and the joints are filled with PVC foam plates.
Further, the backfill after the excavation of the water facing side of the concrete foundation adopts block stone backfill to the designed elevation, and the backfill block stone is used as the anti-scouring protection of the concrete foundation.
The beneficial effects of the utility model are as follows:
the utility model is used for the water conservancy assembled slope protection structure of the steep embankment slope, and the utility model reforms the original water conservancy assembled slope protection structure suitable for the steep embankment slope, so that the steep embankment slope protection structure has better soil retaining performance while meeting ecological aesthetic property, improves the applicability of assembled slope protection on the steep embankment slope, and can effectively reduce the basic treatment capacity of the embankment.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a water conservancy assembled slope protection structure for a steep bank slope of the present utility model;
FIG. 2 is a top view of the slope protection frame below the normal water level;
FIG. 3 is a top view of the revetment frame above the normal water level;
fig. 4 is a side view of the revetment frame of the present utility model.
In the figure: 1: assembled slope protection; 2: geotextile a;3: a gravel cushion layer; 4: a dike slope; 5: a concrete foundation; 6: stone blocks or pebbles; 7: a gravel cushion foundation; 8: backfilling stone blocks; 9: geotextile b;10: planting soil.
Detailed Description
The following detailed description of embodiments of the present utility model is given with reference to the accompanying drawings, and the present examples are implemented on the premise of the technical solution of the present utility model, and detailed embodiments and specific operation procedures are given, but the protection scope of the present utility model is not limited to the following examples.
Example 1:
as shown in fig. 1, the water conservancy assembled slope protection structure for a steep dike slope is provided with an assembled slope protection 1 along the slope surface of the dike slope 4, and the assembled slope protection 1 is assembled by a plurality of slope protection frames; geotextile a2 and a broken stone cushion layer 3 are paved between the assembled slope protection 1 and the embankment 4; the bottoms of the assembled slope protection 1, the geotechnical cloth a2 and the crushed stone cushion layer 3 are arranged in grooves formed in the concrete foundation 5; the water back side of the concrete foundation 5 is heightened upwards according to the height of the embankment slope 4 to form a backrest, the water facing side of the backrest is a broken stone cushion layer 3, and the water back side is a filled embankment slope 4; the water facing side burial depth of the concrete foundation 5 is calculated and determined according to the erosion depth of the embankment, and a broken stone cushion foundation 7 is paved at the lower part of the concrete foundation 5.
Example 2:
on the basis of the embodiment 1 and with reference to fig. 2-4, the water conservancy assembled slope protection structure for the steep dike slope meets the standard requirements and further comprises the following design points:
a. the slope ratio of the back water side dike of the assembled slope protection 1 is 1:0.3-1:1, and the dike filling materials and the standard are carried out according to the requirements of dike design specifications.
b. A 10cm thick bottom broken stone cushion foundation 7 is arranged below the concrete foundation 5, and the bottom broken stone cushion foundation 7 extends 20cm respectively on the left side and the right side of the concrete foundation 5.
c. The concrete foundation 5 is a tilting retaining wall structure, the wall site steps are provided with grooves serving as the foundation of the assembled slope protection 1, the depth of the grooves is 0.2m, the width is combined with the width of the bottom of the assembled slope protection 1 and the width of the crushed stone cushion layer 3 arranged behind the slope protection, the upstream face slope ratio of the grooves is consistent with the shape of the assembled slope protection, and the downstream face slope ratio is consistent with the embankment slope 4.
d. The embedded depth of the concrete foundation 5 is controlled according to the erosion prevention depth of the embankment, the height of the back water side wall top is 0-3 m away from the embankment top, the width of the back water side wall top on the water facing side is 50cm, the wall bottom is 2m wide, and the side slope ratio of the concrete foundation 5 near the embankment slope 4 is adjusted according to the height condition of the backrest.
e. The assembled slope protection 1 is installed in a layered mode according to the technical standard of a corresponding manufacturer, the normal water level is used as a boundary, the assembled slope protection 1 frame below the normal water level is filled with the block stones or pebbles 6, the grain size is not less than 20cm, 60% of the assembled slope protection 1 frame above the normal water level is filled with the block stones or pebbles 6, the grain size of the block stones or pebbles 6 is not less than 20cm, the gaps of the block stones or pebbles are filled with planting soil 10, and ecological plants can be planted in the slope protection frame.
f. Geotextile b9 in the slope protection frame should be laid along the exposed hole, so that the stone blocks or pebbles 6 in the frame and the planting soil 10 are not easy to be flushed out of the frame after being flushed by water flow.
g. 300g/m of assembled slope protection 1 is paved behind the back in sequence 2 Geotextile a2 and 20cm thick crushed stone cushion layer 3, wherein the overlap joint of geotextile a2 is not less than 150mm. When a slope protection frame is not sufficiently stacked at the slope top, the slope protection frame can be built to the slope top by adopting the stone masonry.
h. The height of the top of the backrest of the concrete foundation 5 from the road surface at the top of the embankment is not more than 3m, and the concrete body height is determined by stable calculation according to the soil filling quality and the height of the embankment 4.
i. Every 15m of the concrete foundation 5 is provided with an expansion joint, the joint width is 20mm, and the joints are filled with PVC foam plates.
j. And backfilling after excavation of the water facing side of the concrete foundation 5 by adopting a block stone backfill 8, and backfilling to a designed elevation, wherein the backfill block stone 8 is used as anti-scouring protection of the concrete foundation 5.
Example 3:
the utility model relates to a water conservancy assembled slope protection structure for a steep dike slope, which has the following construction process requirements:
the assembled slope protection 1 is constructed from bottom to top, is installed in a layered mode, geotechnical cloth a2 and a broken stone cushion layer 3 on the back water side of the slope protection are filled synchronously, the compactness of each layer is guaranteed, and after each layer of assembled slope protection 1 is installed, filling block stones or pebbles 6 and planting soil 10 in a slope protection frame are filled densely, the installation of the upper layer is carried out.
A 10cm broken stone cushion foundation 7 is arranged under the concrete foundation 5, in order to prevent the foundation 5 from breaking after sedimentation and keep the integrity of the concrete foundation 5, the surface of the broken stone cushion foundation 7 needs to be kept flat, and the appearance of unevenness after a slope protection frame is prevented from being paved, so that the attractiveness is influenced.
While the basic principles, main features and advantages of the present utility model have been described above, it will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, which are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is to be defined in the appended claims.
Claims (10)
1. The water conservancy assembled slope protection structure for the steep embankment slope is characterized in that an assembled slope protection (1) is arranged along the slope surface of the embankment slope (4), and the assembled slope protection (1) is assembled by a plurality of slope protection frames; geotextile (2) and a broken stone cushion layer (3) are also paved between the assembled slope protection (1) and the embankment slope (4); the bottoms of the assembled slope protection (1), the geotechnical cloth a (2) and the crushed stone cushion layer (3) are arranged in grooves formed in the concrete foundation (5); the water back side of the concrete foundation (5) is heightened upwards according to the height of the embankment slope (4) to form a backrest, the water facing side of the backrest is a broken stone cushion layer (3), and the water back side is a filled embankment slope (4); the water facing side burial depth of the concrete foundation (5) is calculated and determined according to the erosion depth of the embankment, and a broken stone cushion foundation (7) is paved at the lower part of the concrete foundation (5).
2. The water conservancy assembled slope protection structure for steep embankment slope according to claim 1, wherein the ratio of the assembled slope protection (1) to the back water side embankment slope (4) is 1:0.3-1: 1.
3. the water conservancy assembled slope protection structure for steep embankment slope according to claim 1, wherein a 10cm thick bottom broken stone bedding foundation (7) is arranged under the concrete foundation (5), and the broken stone bedding foundation (7) extends 20cm on the left side and the right side of the concrete foundation (5).
4. The water conservancy assembled slope protection structure for steep embankment slope according to claim 1, wherein the concrete foundation (5) is a tilting retaining wall structure, the wall site steps are provided with grooves as the foundation of the assembled slope protection (1), the depth of the grooves is 0.2m, the width is combined with the width of the bottom of the assembled slope protection (1) and the width of a crushed stone cushion layer (3) arranged behind the slope protection, the upstream slope ratio of the grooves is consistent with the shape of the assembled slope protection, and the downstream slope ratio is consistent with the shape of the embankment slope (4).
5. The water conservancy assembled slope protection structure for steep embankment slope according to claim 1, wherein the burial depth of the concrete foundation (5) is controlled according to the erosion depth of the embankment, the height of the back water side wall top is 0-3 m away from the embankment top, the width of the back water side wall top on the water facing side is 50cm, the wall bottom width is 2m, and the side slope ratio of the concrete foundation (5) on the embankment slope (4) is adjusted according to the height condition of the backrest.
6. The assembled slope protection structure for steep bank slopes according to claim 1, wherein the assembled slope protection structure (1) is installed according to layers, a normal water level is used as a boundary, filled with stones or pebbles (6) with the grain size not smaller than 20cm are filled in the slope protection frame below the normal water level, 60% of stones or pebbles (6) with the grain size not smaller than 20cm are filled in the slope protection frame above the normal water level, and planting soil (10) is filled in gaps of the remaining 40% of stones or pebbles (6), so that ecological plants can be planted in the slope protection frame.
7. The water conservancy assembled slope protection structure for steep embankment slope according to claim 1, wherein geotextile b (9) in the slope protection frame is paved along the exposed holes, so that the stone blocks or pebbles (6) in the frame and the planting soil (10) are not easy to wash out of the frame after being washed by water flow.
8. The water conservancy assembled slope protection structure for steep dikes according to claim 1, characterized in that the geotextile a (2) is according to 300g/m 2 The standard pavement is arranged at the back of the assembled slope protection (1), and the thickness of the broken stone cushion layer is 20cm; the overlap joint between geotechnical cloth a (2) is not less than 150mm, and when a slope protection frame is not sufficiently piled up at the slope top, the slope protection can be built to the slope top by adopting the masonry.
9. A water conservancy assembled slope protection structure for steep embankments according to claim 1, characterized in that the height of the back top of the concrete foundation (5) from the road surface at the top of the embankment should be no more than 3m.
10. The water conservancy assembled slope protection structure for steep embankment slope according to claim 1, characterized in that an expansion joint is arranged every 15m of the concrete foundation (5), the joint width is 20mm, and the joint is filled by PVC foaming plates; backfill after the excavation of the water facing side of the concrete foundation (5) adopts backfill block stones (8), backfill is carried out to a designed elevation, and the backfill block stones (8) are used as anti-scouring protection of the concrete foundation (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320172284.7U CN219260885U (en) | 2023-02-09 | 2023-02-09 | Water conservancy assembled slope protection structure for steep embankment slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320172284.7U CN219260885U (en) | 2023-02-09 | 2023-02-09 | Water conservancy assembled slope protection structure for steep embankment slope |
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| CN219260885U true CN219260885U (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320172284.7U Active CN219260885U (en) | 2023-02-09 | 2023-02-09 | Water conservancy assembled slope protection structure for steep embankment slope |
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| CN (1) | CN219260885U (en) |
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- 2023-02-09 CN CN202320172284.7U patent/CN219260885U/en active Active
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