CN212316576U - Municipal works ground preprocessing device - Google Patents
Municipal works ground preprocessing device Download PDFInfo
- Publication number
- CN212316576U CN212316576U CN202020701675.XU CN202020701675U CN212316576U CN 212316576 U CN212316576 U CN 212316576U CN 202020701675 U CN202020701675 U CN 202020701675U CN 212316576 U CN212316576 U CN 212316576U
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- China
- Prior art keywords
- layer
- foundation
- gravel
- powder
- piles
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- Expired - Fee Related
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- 238000007781 pre-processing Methods 0.000 title claims abstract description 8
- 239000002689 soil Substances 0.000 claims abstract description 24
- 239000004927 clay Substances 0.000 claims abstract description 22
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 9
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 9
- 239000004571 lime Substances 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 9
- 239000004576 sand Substances 0.000 claims abstract description 9
- 235000019738 Limestone Nutrition 0.000 claims description 3
- 239000003673 groundwater Substances 0.000 claims description 3
- 239000006028 limestone Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 38
- 239000002131 composite material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229940098458 powder spray Drugs 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a municipal works ground preprocessing device, a serial communication port, include: the upper surface of the foundation is sequentially provided with a pavement layer, a lime soil improvement layer, a clay layer and a gravel bearing layer from top to bottom; a gravel layer, a clay layer, a fine sand layer and a clay layer are sequentially arranged on the lower surface of the foundation from bottom to top; wherein, the lower end of the gravel layer is provided with a plurality of CFG piles and powder-spraying piles in a staggered manner; the upper parts of the CFG piles and the powder spraying piles are the foundations; a plurality of drainage ditches are arranged on two sides of the foundation; the drainage ditch is connected with a drainage pipeline. The utility model discloses utilize CFG construction and powder to spout stake and gravel layer, muck layer, fine sand layer, powder muck layer and combine together, can handle to the soil foundation effectively, the powder spouts stake reinforcement technology rationally, and the construction is simple, the technique is reliable, low cost, the construction is fast, do not have vibration, noiselessness, time limit for a project short, area is little, and is pollution-free to the environment, does not have the influence to building on every side, consolidates effectually.
Description
Technical Field
The utility model relates to a ground treatment technical field, more specifically the utility model relates to a municipal works ground preprocessing device that says so.
Background
Along with the implementation of national strategies such as the plan of sea and west, the construction of a Shandong peninsula blue economic area, the high-efficiency ecological economic area of the yellow river delta and the like, the construction and development of coastal, coastal and coastal areas such as the Bohai Bay, the Yangtze river delta, the Zhujiang delta and the like are rapid. A large amount of soft soil is distributed in the districts of Shandong, Jiangsu, Zhejiang and Shanghai, and the soil quality needs to be improved and the foundation needs to be reinforced by a soft soil foundation treatment technology, so that the use requirement is met.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a municipal works ground preprocessing device of characteristics such as reasonable in design, economical and practical, reinforcement effect are good.
In order to achieve the above object, the utility model provides a following technical scheme:
municipal works ground preprocessing device, its characterized in that includes: the upper surface of the foundation is sequentially provided with a pavement layer, a lime soil improvement layer, a clay layer and a gravel bearing layer from top to bottom; a gravel layer, a clay layer, a fine sand layer and a clay layer are sequentially arranged on the lower surface of the foundation from bottom to top; wherein, the lower end of the gravel layer is provided with a plurality of CFG piles and powder-spraying piles in a staggered manner; the upper parts of the CFG piles and the powder spraying piles are the foundations; a plurality of drainage ditches are arranged on two sides of the foundation; the drainage ditch is connected with a drainage pipeline.
Preferably, in the above one of the municipal engineering foundation pretreatment devices, the gravel support layer has a thickness of 25 cm.
Preferably, in the above one municipal engineering ground pretreatment device, the thickness of the gravel layer is 3 m.
Preferably, in the municipal engineering foundation pretreatment device, the thickness of the clay layer is 1 m.
Preferably, in the municipal engineering foundation pretreatment device, the thickness of the fine sand layer is 1.5 m.
Preferably, in the municipal engineering foundation pretreatment device, the thickness of the clay layer is 2 m.
Preferably, in the municipal engineering foundation pretreatment device, the thickness of the lime soil improvement layer is 25 cm.
Preferably, in the municipal engineering ground pretreatment device, the thickness of the pavement layer is 12 cm.
Preferably, in the municipal engineering foundation pretreatment device, the lime soil improvement layer is flush with a ground water level line.
Known from the above technical scheme, compare with prior art, the utility model has the following characteristics:
the powder spraying pile is used to reinforce foundation and has high pressure air sprayed to the solidified soft soil and mechanically made bit blade rotated to mix the solidified agent with the soft soil in situ; after absorbing water, the curing agent performs a series of physical and chemical reactions to enable the original soil of the pile position to be hardened from soft to hard, so as to form a new pile body with good integrity, strong water stability and high bearing capacity; the interaction between the pile body and the soil between the piles forms a composite foundation with greatly improved bearing capacity compared with the natural soft soil foundation. The anti-deformation capability of the composite foundation of the site is definitely improved, and the composite foundation has a certain water-proof function;
the CFG pile and the powder spray pile are combined with a gravel layer, a clay layer, a fine sand layer and a clay layer, so that the high bearing capacity of the CFG pile can be exerted, and the side limit constraint effect of the powder spray pile is enhanced due to the insertion of the CFG pile. Meanwhile, due to the arrangement of the powder spraying piles, the deformation capacity of the upper foundation soil is improved, the shear strength of the soil body is improved, and the CFG piles are prevented from being pierced and damaged;
the lime is added to improve soil, the design elevation of the road is reduced, the stability is ensured, and the engineering investment is reduced;
the clay layer is arranged, so that the clay layer can be well fused with lime improved soil, the integral bearing capacity can be enhanced, and the integral strength and the stability can be improved; the utility model relates to a soft soil foundation processing apparatus has set up the escape canal, can effectively reduce the ground water level elevation to can be used for subsequent pipeline construction, shorten work load, improve work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1, for the utility model discloses a municipal works ground preprocessing device, specifically include:
the foundation comprises a foundation 1, wherein a road surface layer 2, a lime soil improvement layer 3, a clay layer 4 and a gravel supporting layer 5 are sequentially arranged on the upper surface of the foundation 1 from top to bottom; a gravel layer 6, a clay layer 7, a fine sand layer 8 and a clay layer 4 are sequentially arranged on the lower surface of the foundation 1 from bottom to top; wherein, the lower end of the gravel layer 6 is provided with a plurality of CFG piles 9 and powder-spraying piles 10 in a staggered manner; the foundation 1 is arranged above the CFG piles 9 and the powder spraying piles 10; a plurality of drainage ditches 11 are arranged on two sides of the foundation 1; the drainage ditch 11 is connected with a drainage pipeline 12.
In order to further optimize the above technical solution, the thickness of the gravel supporting layer is 25 cm.
In order to further optimize the above solution, the thickness of the gravel layer is 3 m.
In order to further optimize the technical scheme, the thickness of the clay layer is 1 m.
In order to further optimize the technical scheme, the thickness of the fine sand layer is 1.5 m.
In order to further optimize the technical scheme, the thickness of the clay layer is 2 m.
In order to further optimize the technical scheme, the thickness of the limestone soil improvement layer is 25 cm.
In order to further optimize the technical scheme, the thickness of the road surface layer is 12 cm.
In order to further optimize the technical scheme, the lime soil improvement layer is flush with the underground water line.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. Municipal works ground preprocessing device, its characterized in that includes: the upper surface of the foundation is sequentially provided with a pavement layer, a lime soil improvement layer, a clay layer and a gravel bearing layer from top to bottom; a gravel layer, a clay layer, a fine sand layer and a clay layer are sequentially arranged on the lower surface of the foundation from bottom to top; wherein, the lower end of the gravel layer is provided with a plurality of CFG piles and powder-spraying piles in a staggered manner; the upper parts of the CFG piles and the powder spraying piles are the foundations; a plurality of drainage ditches are arranged on two sides of the foundation; the drainage ditch is connected with a drainage pipeline.
2. The municipal engineering foundation pretreatment device of claim 1, wherein the gravel support layer is 25cm thick.
3. The municipal engineering foundation pretreatment device of claim 1, wherein the gravel layer is 3m thick.
4. The municipal engineering foundation pretreatment device of claim 1, wherein the clay layer is 1m thick.
5. The municipal engineering foundation pretreatment device of claim 1, wherein the fine sand layer is 1.5m thick.
6. The municipal engineering foundation pretreatment device of claim 1, wherein the clay layer is 2m thick.
7. The municipal engineering foundation pretreatment device of claim 1, wherein the thickness of the limestone soil improvement layer is 25 cm.
8. The municipal engineering foundation pretreatment device of claim 1, wherein the pavement layer is 12cm thick.
9. The municipal engineering foundation pretreatment device of claim 1, wherein the limestone soil improvement layer is flush with a ground water line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020701675.XU CN212316576U (en) | 2020-04-30 | 2020-04-30 | Municipal works ground preprocessing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020701675.XU CN212316576U (en) | 2020-04-30 | 2020-04-30 | Municipal works ground preprocessing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212316576U true CN212316576U (en) | 2021-01-08 |
Family
ID=74032870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020701675.XU Expired - Fee Related CN212316576U (en) | 2020-04-30 | 2020-04-30 | Municipal works ground preprocessing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212316576U (en) |
-
2020
- 2020-04-30 CN CN202020701675.XU patent/CN212316576U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 |