CN220813800U - Grouting dynamic compaction structure for treating large-thickness collapsible loess field - Google Patents
Grouting dynamic compaction structure for treating large-thickness collapsible loess field Download PDFInfo
- Publication number
- CN220813800U CN220813800U CN202322428817.6U CN202322428817U CN220813800U CN 220813800 U CN220813800 U CN 220813800U CN 202322428817 U CN202322428817 U CN 202322428817U CN 220813800 U CN220813800 U CN 220813800U
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- Prior art keywords
- grouting
- dynamic compaction
- field
- foundation
- collapsible loess
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Links
- 238000005056 compaction Methods 0.000 title claims abstract description 41
- 239000002002 slurry Substances 0.000 claims abstract description 10
- 239000004568 cement Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 9
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a grouting dynamic compaction structure, which belongs to the technical field of loess field treatment equipment, and in particular relates to a grouting dynamic compaction structure for treating a large-thickness collapsible loess field, comprising grouting dynamic compaction curtains, wherein the grouting dynamic compaction curtains are arranged along the periphery Zhou Ge of a building of the field or a foundation; a grouting layer is filled in the grouting dynamic compaction curtain; the grouting dynamic compaction curtain is provided with a plurality of grouting holes towards the lower part of the area, and grouting flower pipes are arranged in the grouting holes; the utility model injects the slurry into the pretreated stratum through a grouting pressure pump; the cement soil (cementing material soil) foundation is formed by matching with dynamic compaction, and has the advantages of high bearing capacity, small permeability and high impermeability, and can prevent water from penetrating into the foundation, thereby preventing the expansion and generation of wet sinking; the concentration of grouting liquid is controlled in a principle of easy injection and easy formation of cement soil composite foundation, and reasonable grouting concentration is determined through a certain field test.
Description
Technical Field
The utility model discloses a grouting dynamic compaction structure, belongs to the technical field of loess field treatment equipment, and particularly relates to a grouting dynamic compaction structure for treating a large-thickness collapsible loess field.
Background
In collapsible loess areas, large-scale filling is performed to form construction sites, and the new filling sites have the characteristics of high compressibility, lack of consolidation and strong collapse. When the method is used for processing by dynamic compaction, the problems of limited processing depth, difficult guarantee of residual collapse amount, high compressibility and large deformation of the field are still difficult to solve.
Disclosure of utility model
The utility model aims to: a grouting dynamic compaction structure for treating a collapsible loess field with large thickness is provided, and the problems are solved.
The technical scheme is as follows: a grouting dynamic compaction structure for treating a large-thickness collapsible loess field, the grouting dynamic compaction structure comprising grouting dynamic compaction curtains arranged along a building periphery Zhou Ge of the field or foundation; a grouting layer is filled in the grouting dynamic compaction curtain; the grouting dynamic compaction curtain is provided with a plurality of grouting holes towards the lower part of the area, and grouting flower pipes are arranged in the grouting holes.
In a further embodiment, the grouting flowtube is external to a slurry preparation station.
In a further embodiment, the grouting layer is provided with one of cement paste or cementing material.
In a further embodiment, the grouting holes are in a cotton-like arrangement.
In a further embodiment, a grouting pressure pump is provided within the slurry preparation station.
In a further embodiment, the grouting pipe is externally connected with a dynamic compactor.
The beneficial effects are that: the utility model injects the slurry into the pretreated stratum through a grouting pressure pump; the cement soil (cementing material soil) foundation is formed by matching with dynamic compaction, and has the advantages of high bearing capacity, small permeability and high impermeability, and can prevent water from penetrating into the foundation, thereby preventing the expansion and generation of wet sinking; the concentration of grouting liquid is controlled in a principle of easy injection and easy formation of cement soil composite foundation, and reasonable grouting concentration is determined through a certain field test.
Drawings
Fig. 1 is a schematic diagram of the present utility model.
Fig. 2 is a schematic diagram of the present utility model.
Reference numerals: grouting dynamic compaction curtain 1, grouting layer 2, grouting hole 3, grouting pipe 4.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
A grouting dynamic compaction structure for treating a large-thickness collapsible loess field, the grouting dynamic compaction structure comprising grouting dynamic compaction curtains 1, the grouting dynamic compaction curtains 1 being arranged along a building periphery Zhou Ge of the field or foundation; the grouting dynamic compaction curtain 1 is internally filled with a grouting layer 2; the grouting dynamic compaction curtain 1 is provided with a plurality of grouting holes 3 towards the lower part of the area, and grouting flower pipes 4 are arranged in the grouting holes 3.
In one embodiment, as shown in fig. 1-2, the grouting pipe 4 is externally connected with a slurry preparation station.
In one embodiment, as shown in fig. 1 to 2, one of cement paste or cementing material is disposed in the grouting layer 2.
In one embodiment, as shown in fig. 1-2, the grouting holes 3 are in a cotton-like arrangement.
In one embodiment, as shown in fig. 1 to 2, the grouting pipe 4 is externally connected with a dynamic compactor.
In one embodiment, as shown in fig. 1-2, the present utility model employs the dynamic compaction principle by placing grouting slurry or other cementing material slurry injection hole pipes into the earth at the site, and placing a slurry preparation station to inject slurry into the pretreated formation by a grouting pressure pump. The cement soil (cementing material soil) foundation is formed by matching with dynamic compaction, and has the advantages of high bearing capacity, small permeability and high impermeability, and can prevent water from penetrating into the foundation, thereby preventing the expansion and generation of wet sinking. The concentration of grouting liquid is controlled in a principle of easy injection and easy formation of cement soil composite foundation, and reasonable grouting concentration is determined through a certain field test.
In one embodiment, as shown in fig. 1 to 2, the grouting dynamic compaction curtain 1 with certain waterproof capability can be formed by the structure, the grouting dynamic compaction curtain can be arranged along the periphery Zhou Ge of a building of a field or a foundation, the grouting dynamic compaction curtain can prevent water from penetrating, and the middle part of the field can be treated by a common water injection dynamic compaction method.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (5)
1. The grouting dynamic compaction structure for treating the large-thickness collapsible loess field is characterized by comprising grouting dynamic compaction curtains, wherein the grouting dynamic compaction curtains are arranged along the periphery Zhou Ge of the field or a building of a foundation; a grouting layer is filled in the grouting dynamic compaction curtain; the grouting dynamic compaction curtain is provided with a plurality of grouting holes towards the lower part of the area, and grouting flower pipes are arranged in the grouting holes.
2. The grouting dynamic compaction structure for treating a collapsible loess field with a large thickness as set forth in claim 1, wherein the grouting pipe is externally connected with a slurry preparation station.
3. The grouting dynamic compaction structure for treating a collapsible loess field with a large thickness as claimed in claim 1, wherein one of cement paste or cementing material is arranged in the grouting layer.
4. The grouting dynamic compaction structure for treating a collapsible loess field with a large thickness as set forth in claim 1, wherein the grouting holes are arranged in a cotton shape.
5. The grouting dynamic compaction structure for treating a collapsible loess field with a large thickness as set forth in claim 1, wherein the grouting pipe is externally connected with a dynamic compactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322428817.6U CN220813800U (en) | 2023-09-07 | 2023-09-07 | Grouting dynamic compaction structure for treating large-thickness collapsible loess field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322428817.6U CN220813800U (en) | 2023-09-07 | 2023-09-07 | Grouting dynamic compaction structure for treating large-thickness collapsible loess field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220813800U true CN220813800U (en) | 2024-04-19 |
Family
ID=90712262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322428817.6U Active CN220813800U (en) | 2023-09-07 | 2023-09-07 | Grouting dynamic compaction structure for treating large-thickness collapsible loess field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220813800U (en) |
-
2023
- 2023-09-07 CN CN202322428817.6U patent/CN220813800U/en active Active
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