CN220284839U - Gravity type retaining wall structure of combined soil slope - Google Patents
Gravity type retaining wall structure of combined soil slope Download PDFInfo
- Publication number
- CN220284839U CN220284839U CN202321183377.6U CN202321183377U CN220284839U CN 220284839 U CN220284839 U CN 220284839U CN 202321183377 U CN202321183377 U CN 202321183377U CN 220284839 U CN220284839 U CN 220284839U
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- jet grouting
- retaining wall
- grouting pile
- diameter
- section steel
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- 230000005484 gravity Effects 0.000 title claims abstract description 53
- 239000002689 soil Substances 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 239000002131 composite material Substances 0.000 claims abstract description 32
- 239000002002 slurry Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 239000000758 substrate Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The gravity type retaining wall structure for the composite soil slope comprises a gravity type retaining wall and a plurality of composite jet grouting pile structures, wherein an overhanging platform is integrally arranged at the rear edge of the bottom of the gravity type retaining wall, and the bottom of the overhanging platform is provided with the composite jet grouting pile structures; the composite jet grouting pile body structure comprises a small-diameter jet grouting pile, a large-diameter jet grouting pile and section steel, wherein the small-diameter jet grouting pile sequentially penetrates through a plurality of large-diameter jet grouting piles to form a serial connection, the bottom of the small-diameter jet grouting pile is serially connected with the large-diameter jet grouting pile, and the section steel penetrates through the whole small-diameter jet grouting pile and the top of the section steel is inserted into the gravity retaining wall. The structure is characterized in that a composite jet grouting pile body structure is added at the bottom of the gravity type retaining wall, the composite jet grouting pile body structure is utilized to increase the substrate bearing capacity and the anti-overturning stability capacity of the gravity type retaining wall, and the composite jet grouting pile body structure is utilized to reduce the consumption of the gravity type retaining wall pouring material, so that the purposes of reducing the construction cost and improving the engineering economy are achieved.
Description
Technical Field
The utility model relates to the field of retaining wall structures, in particular to a composite soil slope gravity type retaining wall structure.
Background
Retaining walls are a type of structure that supports the earth fill of a roadbed or the earth mass of a hillside and prevents the earth fill or the earth mass from deforming and destabilizing. The types of the retaining wall may be classified into a gravity type retaining wall, an anchored type retaining wall, a thin-walled type retaining wall, a reinforced earth retaining wall, etc., wherein the gravity type retaining wall is widely used in engineering projects due to its simple construction method. Gravity type retaining wall, as the name implies, uses its own weight to resist the side slope soil pressure, prevents the side slope from sliding. The greater the gravity of the gravity type retaining wall is, the stronger the capacity of the gravity type retaining wall for bearing the passive soil pressure is, but the dosage of concrete is greatly increased, and the manufacturing cost of the gravity type retaining wall is also greatly increased, so that the gravity type retaining wall does not meet the engineering economic requirement.
In order to obtain a gravity type retaining wall structure with good substrate bearing capacity and anti-overturning stabilizing capacity, and the gravity type retaining wall structure can save materials to reduce engineering cost, the utility model provides a composite soil slope gravity type retaining wall structure.
Disclosure of Invention
The utility model provides a composite soil slope gravity type retaining wall structure, wherein a composite jet grouting pile body structure is added at the bottom of a gravity type retaining wall, the composite jet grouting pile body structure is utilized to increase the substrate bearing capacity and the anti-overturning stability of the gravity type retaining wall, and the composite jet grouting pile body structure is utilized to reduce the consumption of filling materials of the gravity type retaining wall, thereby achieving the purposes of reducing the construction cost and improving the engineering economy.
In order to achieve the technical effects, the utility model is realized by the following technical scheme:
the gravity type retaining wall comprises a wedge-shaped wall structure, an overhanging platform is integrally arranged at the rear edge of the bottom of the wedge-shaped wall structure, and the composite jet grouting pile structures are arranged at the bottom of the overhanging platform; the composite jet grouting pile body structure comprises a small-diameter jet grouting pile, a large-diameter jet grouting pile and section steel, wherein the small-diameter jet grouting pile sequentially penetrates through a plurality of large-diameter jet grouting piles to form a serial connection, the bottom of the small-diameter jet grouting pile is serially connected with the large-diameter jet grouting pile, and the section steel penetrates through the whole small-diameter jet grouting pile and the top of the section steel is inserted into the gravity retaining wall.
Further, the section steel is I-shaped section steel or H-shaped section steel.
Furthermore, the gravity type retaining wall is obliquely provided with a plurality of drainage holes.
Further, the overhanging platform has an overhanging length of 1.0-2.0m.
Further, the diameter of the small-diameter jet grouting pile is 0.6-0.8m, and the diameter of the large-diameter jet grouting pile is 1.0-1.2m.
Furthermore, the section steel is H-shaped steel, the H-shaped steel adopts wide flange H-shaped steel, the specification is 200mm multiplied by 200mm, the bottom depth of the section steel is consistent with that of a small-diameter jet grouting pile, and the length of the top inserted into the gravity retaining wall is not less than 0.5m.
Furthermore, the pile body materials of the small-diameter jet grouting pile and the large-diameter jet grouting pile are water-mud-water glass slurry.
The beneficial effects of the utility model are as follows: the bottom of the gravity type retaining wall is provided with the composite jet grouting pile body structure, the composite jet grouting pile body structure is utilized to increase the substrate bearing capacity and the anti-overturning stability of the gravity type retaining wall, and the composite jet grouting pile body structure is utilized to reduce the consumption of the gravity type retaining wall pouring material, thereby achieving the purposes of reducing the construction cost and improving the engineering economy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a composite soil slope gravity retaining wall structure;
FIG. 2 is a schematic A-A section of the small diameter jet grouting pile;
FIG. 3 is a schematic view of the B-B cross-sectional structure of the large diameter jet grouting pile.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3, a composite soil slope gravity type retaining wall structure comprises a gravity type retaining wall 1 and a plurality of composite jet grouting pile structures 2, wherein the gravity type retaining wall 1 is arranged at the top of the composite jet grouting pile structures 2 which are arranged at equal intervals, the gravity type retaining wall comprises a wedge-shaped wall structure, an overhanging platform 11 is integrally arranged at the rear edge of the bottom of the wedge-shaped wall structure, and a plurality of water draining holes 12 are obliquely arranged on the gravity type retaining wall; the bottom of the overhanging platform is provided with a composite jet grouting pile body structure 2; the composite jet grouting pile body structure comprises a small-diameter jet grouting pile 3, a large-diameter jet grouting pile 4 and section steel 5, wherein the small-diameter jet grouting pile 3 sequentially penetrates through the large-diameter jet grouting piles 4 to form a series connection, the bottom of the small-diameter jet grouting pile is connected with one large-diameter jet grouting pile in series, and the section steel 5 penetrates through the whole small-diameter jet grouting pile and the top of the section steel to be inserted into the gravity retaining wall.
In this embodiment, the section steel 5 is a wide flange H-section steel with a specification of 200mm×200mm, the depth of the bottom of the section steel is consistent with that of the small diameter jet grouting pile, and the length of the top of the section steel inserted into the gravity retaining wall is not less than 0.5m.
In this embodiment, the extension length of the overhanging platform is 1.0-2.0m, the diameter of the small-diameter jet grouting pile is 0.6-0.8m, and the diameter of the large-diameter jet grouting pile is 1.0-1.2m.
In the embodiment, pile body materials of the small-diameter jet grouting pile 3 and the large-diameter jet grouting pile 4 are water-mud-water glass slurry, the water-cement ratio is 0.75:1-1:1, and the mixing amount of the water glass is 2% -4%.
The specific application of the structure is as follows:
1. and after the side slope is excavated, the substrate jet grouting pile is subjected to reinforcement treatment in advance, grouting pressure is controlled in the reinforcement process, small-diameter jet grouting piles and large-diameter jet grouting piles with different diameters are formed in vertical sections, and H-shaped steel is pressed into pile bodies of the small-diameter jet grouting piles and the large-diameter jet grouting piles which are in serial connection after pile forming construction is completed.
2. Pouring a gravity retaining wall, wherein the top of the H-shaped steel is embedded into the bottom of the gravity retaining wall 1 to be not smaller than 0.5m; the drain hole 12 is pre-buried according to the conventional procedure in the casting process.
3. And carrying out gravity type retaining wall back filtering layer and backfill construction.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Claims (7)
1. The gravity type retaining wall comprises a wedge-shaped wall structure, an overhanging platform is integrally arranged at the rear edge of the bottom of the wedge-shaped wall structure, and a composite jet grouting pile structure is arranged at the bottom of the overhanging platform; the composite jet grouting pile body structure comprises a small-diameter jet grouting pile, a large-diameter jet grouting pile and section steel, wherein the small-diameter jet grouting pile sequentially penetrates through a plurality of large-diameter jet grouting piles to form a serial connection, the bottom of the small-diameter jet grouting pile is serially connected with the large-diameter jet grouting pile, and the section steel penetrates through the whole small-diameter jet grouting pile and the top of the section steel is inserted into the gravity retaining wall.
2. The composite soil slope gravity retaining wall structure according to claim 1, wherein said section steel is i-section steel or H-section steel.
3. The composite soil slope gravity retaining wall structure according to claim 1, wherein said gravity retaining wall is provided with a plurality of drainage holes in an inclined manner.
4. The composite soil slope gravity retaining wall structure according to claim 1, wherein said overhanging platform has an extension length of 1.0-2.0m.
5. The composite soil slope gravity retaining wall structure according to claim 1, wherein said small diameter jet grouting piles have a diameter of 0.6-0.8m and said large diameter jet grouting piles have a diameter of 1.0-1.2m.
6. The composite soil slope gravity retaining wall structure according to claim 2, wherein the section steel is H-shaped steel, the H-shaped steel is wide flange H-shaped steel, the specification is 200mm x 200mm, the bottom depth of the section steel is consistent with the small diameter jet grouting pile, and the length of the section steel inserted into the gravity retaining wall at the top is not less than 0.5m.
7. The composite soil slope gravity retaining wall structure according to any of claims 1-6, wherein said small diameter jet grouting piles and large diameter jet grouting piles are made of cement-water glass slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321183377.6U CN220284839U (en) | 2023-05-17 | 2023-05-17 | Gravity type retaining wall structure of combined soil slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321183377.6U CN220284839U (en) | 2023-05-17 | 2023-05-17 | Gravity type retaining wall structure of combined soil slope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220284839U true CN220284839U (en) | 2024-01-02 |
Family
ID=89344241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321183377.6U Active CN220284839U (en) | 2023-05-17 | 2023-05-17 | Gravity type retaining wall structure of combined soil slope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220284839U (en) |
-
2023
- 2023-05-17 CN CN202321183377.6U patent/CN220284839U/en active Active
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