CN209837076U - Light-duty reinforced structure of deep weak soil foundation - Google Patents
Light-duty reinforced structure of deep weak soil foundation Download PDFInfo
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- CN209837076U CN209837076U CN201920154931.5U CN201920154931U CN209837076U CN 209837076 U CN209837076 U CN 209837076U CN 201920154931 U CN201920154931 U CN 201920154931U CN 209837076 U CN209837076 U CN 209837076U
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Abstract
A light reinforcing structure of a deep soft soil foundation comprises a PVC pipe filling pile body, a connecting frame, a buffer cushion layer and a filling body; PVC pipe filling pile bodies are transversely and longitudinally arranged in the soft soil foundation at intervals; the connecting frame is arranged at the top of the PVC pipe filling pile body and is fixedly connected with the PVC pipe filling pile body; the cushion pad layer is arranged on the top of the connecting frame; and the filling soil is filled on the top of the cushion pad layer. The utility model discloses have following advantage: the structure is light, the construction is rapid, the stability is good, the investment is low, the environment is protected, and the popularization and the application are facilitated.
Description
Technical Field
The utility model relates to geotechnical engineering, in particular to light-duty reinforced structure of deep weak soil foundation.
Background
In recent years, geotechnical engineering is increasingly carried out on soft foundations in coastal areas, along rivers and rivers, and the soft foundations are very compressive and have poor stability due to the fact that the foundations are close to water sources and the soil texture of the foundations comprises a large amount of water sources. When a filling project is built on a soft soil foundation, the foundation needs to be reinforced, and the conventional soft soil foundation reinforcing measures include a drainage consolidation method, a cement soil mixing pile, a jet grouting pile, a prestressed pipe pile, a cast-in-situ bored pile and the like, but the conventional soft soil foundation reinforcing measures also have problems, such as long construction time of the drainage consolidation method and low bearing capacity of the foundation, the reinforcing depth of the cement soil mixing pile is generally not more than 15m, the bearing capacity of the foundation is low, the pile forming quality of the jet grouting pile is difficult to control, the investment is high, and the pile bottom of the prestressed pipe pile and the cast-in-situ bored pile project needs to enter a hard soil layer. Therefore, the new soft soil foundation reinforcing structure has important significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a light-duty reinforced structure of deep weak soil foundation, its structure is light-duty, the construction is simple and convenient, stability is good, the investment is lower, the environmental protection is and be favorable to popularizing and applying.
The utility model aims at realizing the light reinforcing structure of the deep soft soil foundation, which comprises a PVC pipe filling pile body, a connecting frame, a cushion layer and a filling body; PVC pipe filling pile bodies are transversely and longitudinally arranged in the soft soil foundation at intervals; the connecting frame is arranged at the top of the PVC pipe filling pile body and is fixedly connected with the PVC pipe filling pile body; the cushion pad layer is arranged on the top of the connecting frame; the filling body is filled on the top of the cushion layer.
In the utility model, the PVC pipe filling pile body is a reinforcing pile body of a soft soil foundation, the PVC pipe has better tensile strength and compressive strength, the pile body quality of the reinforcing pile can be ensured by arranging the PVC pipe, the PVC pipe filling pile body has the characteristics of light weight, environmental protection, low investment and the like, and the pile body with light weight has better anti-settling capacity and higher bearing capacity under the buoyancy action of soft soil water; the connecting frame is arranged at the top of the PVC pipe filling pile body and is fixedly connected with the PVC pipe filling pile body, so that the plane position of the PVC pipe filling pile body can be fixed, the stability of the structure is enhanced, and the problem of transverse deviation of the PVC pipe filling pile body caused by the construction of an upper filling body can be solved; the cushion pad layer is beneficial to the even stress and deformation of the filling pile body of the PVC pipe; the PVC pipe filling pile body is produced in a factory, so that the quality of the pile body can be controlled, the PVC pipe filling pile body can be directly used during construction, the construction time is saved, and the construction efficiency is improved. Compared with the traditional deep soil foundation reinforcement measures, the structure has the advantages of short construction period, high foundation bearing capacity, easy control of pile body quality, low engineering investment and the like.
Owing to adopted above-mentioned technical scheme, the utility model has the advantages of as follows: the structure is light, the construction is rapid, the stability is good, the investment is low, the environment is protected, and the popularization and the application are facilitated.
Drawings
The drawings of the utility model are as follows:
fig. 1 is a schematic section view of the light reinforcing structure for deep soft soil foundation.
Fig. 2 is the utility model discloses light-duty reinforced structure's of deep soft soil foundation plan view.
In the figure: 1. filling a pile body with a PVC pipe; 2. a connecting frame; 3. a cushion layer; 4. a filling body; 5. soft soil foundation; 6. a transverse beam; 7. a longitudinal beam.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1, a light reinforcing structure for deep soft soil foundation comprises a PVC pipe filling pile body 1, a connecting frame 2, a cushion layer 3 and a filling body 4; PVC pipe filling pile bodies are transversely and longitudinally arranged in the soft soil foundation 5 at intervals; the connecting frame 2 is arranged at the top of the PVC pipe filling pile body 1 and is fixedly connected with the PVC pipe filling pile body 1; the cushion layer 3 is arranged on the top of the connecting frame 2; the filling 4 is filled on the top of the cushion layer 3.
In the utility model, the PVC pipe filling pile body 1 is a reinforcing pile body of the soft soil foundation 5, the PVC pipe has better tensile strength and compressive strength, the pile body quality of the reinforcing pile can be ensured by arranging the PVC pipe, the PVC pipe filling pile body has the characteristics of light weight, environmental protection, low investment and the like, and the pile body with light weight has better anti-settling capacity and higher bearing capacity under the buoyancy action of soft soil water; the connecting frame 2 is arranged at the top of the PVC pipe filling pile body 1 and is fixedly connected with the PVC pipe filling pile body, so that the plane position of the PVC pipe filling pile body 1 can be fixed, the stability of the structure is enhanced, and the problem that the PVC pipe filling pile body 1 is transversely deviated due to the construction of an upper filling body can be solved; the cushion layer 3 is beneficial to the PVC pipe filling pile body 1 to be stressed and deformed uniformly; the PVC pipe filling pile body 1 is produced in a factory, so that the quality of the pile body can be controlled, the PVC pipe filling pile body can be directly used during construction, the construction time is saved, and the construction efficiency is improved. Compared with the traditional deep soil foundation reinforcement measures, the structure has the advantages of short construction period, high foundation bearing capacity, easy control of pile body quality, low engineering investment and the like.
Further, the filling bodies 4 are filled on the top of the cushion pad layer 3 in a layered mode, and are filled in a layered mode and compacted layer by layer, so that the filling bodies 4 have high enough compactness, and the stability of the whole structure is guaranteed.
Further, the bottom end of the PVC pipe filling pile body 1 is conical. The bottom end of the PVC pipe filling pile body 1 is set to be conical, so that the pile body can enter the soft soil foundation 5 more easily, the fixation of the pile body is enhanced, and the stability of the stress of the structure is ensured.
Further, fly ash or combustion slag material is filled in the PVC pipe filling pile body 1. Fly ash is fine ash collected from flue gas generated after coal combustion, and is main solid waste discharged from coal-fired power plants. Slag is a by-product in a blast furnace iron making process. The fly ash and the combustion slag pollute air and cause certain harm to human bodies and organisms. The fly ash and the combustion slag are recycled and filled in the PVC pipe filling pile body 1, so that the waste is changed into valuable, the harm is changed into good, the environment is protected, and the investment is low. The PVC pipe filling pile body 1 is produced in a factory, so that the quality of the pile body is easy to control, and the rapid construction is convenient.
Further, as shown in fig. 2, the connecting frame 2 is composed of a transverse beam 6 and a longitudinal beam 7, and the intersection of the transverse beam 6 and the longitudinal beam 7 is fixedly connected with the top of the PVC pipe filling pile body 1. The transverse beams 6 and the longitudinal beams 7 are arranged at certain intervals along the transverse direction and the longitudinal direction respectively to form a square net structure, and play a supporting role for the filling body 4, and the interval distance is calculated according to engineering requirements. The top of the PVC pipe filling pile body 1 is fixedly connected with the intersection point of the transverse beam 6 and the longitudinal beam 7, so that the plane position of the PVC pipe filling pile body 1 is fixed, and the problem that the PVC pipe filling pile body 1 is transversely deviated due to the construction of an upper filling body is solved.
Further, the connection frame 2 is a PVC homogenous material. The PVC homogeneous material has the same quality and characteristics as PVC, and also has the characteristics of better tensile strength and compressive strength, light weight, environmental protection and the like, and the connecting frame 2 is made of the PVC homogeneous material, so that the structural weight is lighter.
Claims (8)
1. The utility model provides a light-duty reinforced structure of deep soft soil foundation which characterized in that: comprises a PVC pipe filling pile body (1), a connecting frame (2), a cushion pad layer (3) and a filling body (4); the PVC pipe filling pile body (1) is transversely and longitudinally arranged in the soft soil foundation (5) at intervals; the connecting frame (2) is arranged at the top of the PVC pipe filling pile body (1) and is fixedly connected with the PVC pipe filling pile body (1); the cushion pad layer (3) is arranged at the top of the connecting frame (2); the filling body (4) is filled on the top of the cushion layer (3).
2. The deep soft soil foundation lightweight reinforcement structure of claim 1, characterized in that: the bottom end of the PVC pipe filling pile body (1) is conical.
3. A deep soft soil foundation lightweight reinforcement structure as claimed in claim 1 or 2, characterized in that: the PVC pipe filling pile body (1) is filled with fly ash or combustion slag material.
4. A deep soft soil foundation lightweight reinforcement structure as claimed in claim 1 or 2, characterized in that: the connecting frame (2) consists of a transverse beam (6) and a longitudinal beam (7), and the intersection of the transverse beam (6) and the longitudinal beam (7) is fixedly connected with the top of the PVC pipe filling pile body (1).
5. The deep soft soil foundation lightweight reinforcement structure of claim 3, characterized in that: the connecting frame (2) consists of a transverse beam (6) and a longitudinal beam (7), and the intersection of the transverse beam (6) and the longitudinal beam (7) is fixedly connected with the top of the PVC pipe filling pile body (1).
6. A deep soft soil foundation lightweight reinforcement structure as claimed in claim 1, 2 or 5, characterized in that: the connecting frame (2) is made of a PVC homogeneous material.
7. The deep soft soil foundation lightweight reinforcement structure of claim 3, characterized in that: the connecting frame (2) is made of a PVC homogeneous material.
8. The deep soft soil foundation lightweight reinforcement structure of claim 4, characterized in that: the connecting frame (2) is made of a PVC homogeneous material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920154931.5U CN209837076U (en) | 2019-01-29 | 2019-01-29 | Light-duty reinforced structure of deep weak soil foundation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920154931.5U CN209837076U (en) | 2019-01-29 | 2019-01-29 | Light-duty reinforced structure of deep weak soil foundation |
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| CN209837076U true CN209837076U (en) | 2019-12-24 |
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| CN201920154931.5U Active CN209837076U (en) | 2019-01-29 | 2019-01-29 | Light-duty reinforced structure of deep weak soil foundation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111241702A (en) * | 2020-01-17 | 2020-06-05 | 中铁二院工程集团有限责任公司 | Stability calculation method for slope soft soil foundation filling project |
| CN112030979A (en) * | 2020-08-11 | 2020-12-04 | 江苏纬信工程咨询有限公司 | Construction process for excavating after consolidation of miscellaneous filling |
| CN114855754A (en) * | 2022-04-24 | 2022-08-05 | 四川省公路规划勘察设计研究院有限公司 | Novel structure of rotary digging pile sleeve mini-pile |
-
2019
- 2019-01-29 CN CN201920154931.5U patent/CN209837076U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111241702A (en) * | 2020-01-17 | 2020-06-05 | 中铁二院工程集团有限责任公司 | Stability calculation method for slope soft soil foundation filling project |
| CN111241702B (en) * | 2020-01-17 | 2022-07-08 | 中铁二院工程集团有限责任公司 | Stability calculation method for slope soft soil foundation filling project |
| CN112030979A (en) * | 2020-08-11 | 2020-12-04 | 江苏纬信工程咨询有限公司 | Construction process for excavating after consolidation of miscellaneous filling |
| CN114855754A (en) * | 2022-04-24 | 2022-08-05 | 四川省公路规划勘察设计研究院有限公司 | Novel structure of rotary digging pile sleeve mini-pile |
| CN114855754B (en) * | 2022-04-24 | 2023-08-29 | 四川省公路规划勘察设计研究院有限公司 | Novel structure of rotary digging pile sleeve mini pile |
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