CN212335975U - Pre-stabbed mattress layer of composite foundation pile top of building - Google Patents
Pre-stabbed mattress layer of composite foundation pile top of building Download PDFInfo
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- CN212335975U CN212335975U CN201922068288.7U CN201922068288U CN212335975U CN 212335975 U CN212335975 U CN 212335975U CN 201922068288 U CN201922068288 U CN 201922068288U CN 212335975 U CN212335975 U CN 212335975U
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- mattress layer
- mattress
- pile
- flexible
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- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 239000002689 soil Substances 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 239000004576 sand Substances 0.000 claims description 14
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 6
- 239000004571 lime Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 4
- 239000004575 stone Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a building composite foundation pile bolck impales mattress layer in advance, soil, pile body, mattress layer body between the stake, mattress layer body is located the upper end of pile body, just be located between the pile body the lower extreme of mattress layer body is provided with soil between the stake, mattress layer body comprises rigidity mattress layer and flexible mattress layer, rigidity mattress layer is located the upper end of flexible mattress layer, flexible mattress layer with be provided with the prevention of seepage geomembrane between the stake between the soil, the lower extreme of flexible mattress layer be provided with a plurality of with the impales in advance that the pile body top corresponds, the upper end of rigidity mattress layer is provided with the basis bottom surface, the upper end of basis bottom surface is provided with the concrete placement layer, the basis bottom surface with be provided with the reinforcing bar net between the concrete placement layer. Has the advantages that: the bearing effect of the composite foundation can be exerted, and the pre-stabbed mattress layer can bear larger pressure.
Description
Technical Field
The utility model relates to a building field particularly, relates to a building composite foundation pile bolck impales formula mattress layer in advance.
Background
The composite foundation, the natural foundation and the pile foundation are three foundation forms commonly used in building engineering. The essence of the composite foundation is a foundation form in which piles (also called reinforcement) are arranged in foundation soil so that the piles and the soil between the piles share the load of the upper structure. However, the thick cushion layer delays the bearing effect of the pile body, and the pile top needs to generate a large upward penetration amount for realizing deformation coordination between the pile and the soil, and the penetration amount of the pile top is at the cost of overall settlement of the composite foundation, so that the bearing capacity of the composite foundation cannot be effectively utilized, the bearing is insufficient, the foundation is unstable, and the penetration of the pile top reduces and increases the overall settlement of the composite foundation.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem among the correlation technique, the utility model provides a building composite foundation pile bolck impales mattress layer in advance to overcome the above-mentioned technical problem that current correlation technique exists.
Therefore, the utility model discloses a specific technical scheme as follows:
the utility model provides a building composite foundation pile bolck impalement formula mattress pad layer in advance, includes soil between the stake, pile body and mattress pad layer body, mattress pad layer body is located the upper end of pile body, just be located between the pile body the lower extreme of mattress pad layer body is provided with soil between the stake, mattress pad layer body comprises rigidity mattress pad layer and flexible mattress pad layer, rigidity mattress pad layer is located the upper end of flexible mattress pad layer, flexible mattress pad layer with be provided with the prevention of seepage geomembrane between the stake, the lower extreme of flexible mattress pad layer be provided with a plurality of with the preintegration hand-hole that the pile body top corresponds, the upper end of rigidity mattress pad layer is provided with the basis bottom surface, the upper end of basis bottom surface is provided with the concrete placement layer, basis bottom surface with be provided with the reinforcing bar net between the concrete placement layer.
Furthermore, a sealing plate is arranged at the top end of the pile body.
Further, the rigid mattress layer is a plain concrete closed mattress layer.
Further, the flexible mattress layer consists of a sand stone layer, a gray soil layer and a rubber layer, wherein the sand stone layer is positioned at the upper end of the anti-seepage geomembrane, the gray soil layer is arranged at the upper end of the sand stone layer, and the rubber layer is arranged at the upper end of the gray soil layer.
Furthermore, a thin layer of sand is arranged between the anti-seepage geomembrane and the sandstone layer.
Further, the thickness of the mattress layer body is 20 cm-60 cm, the thickness of the rigid mattress layer is 10 cm-30 cm, and the thickness of the flexible mattress layer is 10 cm-30 cm.
The utility model provides a building composite foundation pile bolck impales formula mattress layer in advance, beneficial effect as follows: the utility model discloses a degree of depth in pre-stabbing hole can be according to the load size of concrete engineering, the soil property condition, bedding material nature, pile soil stress ratio that needs to reach according to the design requires nimble regulation, different bedding thickness of combination adoption and the degree of depth of pre-stabbing, differentiation control through the degree of depth of pre-stabbing hole, rationally adjust compound ground rigidity, reduce the difference of ground and subside, make bearing capacity can make full use of, the ground has been reinforceed indirectly, the bearing capacity of ground has been increased, both can satisfy ground prevention of seepage requirement, can exert compound ground bearing effect, guarantee that pre-stabbing income bedding course can bear bigger pressure.
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 embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pre-stabbed mattress layer of a composite foundation pile top of a building according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a flexible mattress layer of a pre-stabbed mattress layer of a composite foundation pile top of a building according to an embodiment of the present invention.
In the figure:
1. soil between piles; 2. a pile body; 3. a mattress layer body; 4. a rigid mattress layer; 5. a flexible mattress layer; 6. an impermeable geomembrane; 7. pre-piercing a hole; 8. a foundation bottom surface; 9. pouring a concrete layer; 10. a reinforcing mesh; 11. closing the plate; 12. a sandstone layer; 13. a grey soil layer; 14. a rubber layer; 15. and (4) thin-layer sand.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides a building composite foundation pile bolck impales formula mattress layer in advance.
The first embodiment is as follows:
as shown in figures 1-2, the pre-stabbed mattress layer of the pile top of the composite foundation of the building according to the embodiment of the invention comprises inter-pile soil 1, a pile body 2 and a mattress layer body 3, the mattress layer body 3 is positioned at the upper end of the pile bodies 2, the inter-pile soil 1 is arranged between the pile bodies 2 and at the lower end of the mattress layer body 3, the mattress layer body 3 consists of a rigid mattress layer 4 and a flexible mattress layer 5, the rigid mattress layer 4 is positioned at the upper end of the flexible mattress layer 5, an impermeable geomembrane 6 is arranged between the flexible mattress layer 5 and the inter-pile soil 1, a plurality of pre-puncturing holes 7 corresponding to the top end of the pile body 2 are arranged at the lower end of the flexible mattress layer 5, the upper end of the rigid mattress layer 4 is provided with a foundation bottom surface 8, the upper end of the foundation bottom surface 8 is provided with a concrete pouring layer 9, and a reinforcing mesh 10 is arranged between the foundation bottom surface 8 and the concrete pouring layer 9.
The concrete arrangement and the function of the inter-pile soil 1, the pile body 2, the mattress layer body 3, the impermeable geomembrane 6, the pre-punched hole 7, the foundation bottom surface 8 and the concrete pouring layer 9 are specifically described below.
As shown in fig. 1-2, the depth of the pre-puncturing holes 7 can be flexibly adjusted according to the load size, soil condition and cushion material property of the concrete project and the pile-soil stress ratio requirement required by the design, different cushion layer thicknesses and pre-puncturing depths are adopted in combination, and the differential settlement of the foundation is reduced by the differential control of the pre-puncturing holes, so that the bearing capacity is fully utilized, the foundation is indirectly strengthened, the bearing capacity of the foundation is increased, the anti-seepage requirement of the foundation can be met, the bearing effect of the composite foundation can be exerted, and the pre-puncturing cushion layer can bear higher pressure.
Example two:
as shown in fig. 1-2, the top end of the pile body 2 is provided with a sealing plate 11. The rigid mattress layer 4 is a plain concrete closed mattress layer. The flexible mattress layer 5 consists of a sand layer 12, a lime soil layer 13 and a rubber layer 14, wherein the sand stone layer 12 is positioned at the upper end of the anti-seepage geomembrane 6, the lime soil layer 13 is arranged at the upper end of the sand stone layer 12, and the rubber layer 14 is arranged at the upper end of the lime soil layer 13. A thin layer of sand 15 is arranged between the impermeable geomembrane 6 and the sandstone layer 12. The thickness of the mattress layer body 3 is 20 cm-60 cm, the thickness of the rigid mattress layer 4 is 10 cm-30 cm, and the thickness of the flexible mattress layer 5 is 10 cm-30 cm.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the foundation bottom surface 8 with different depths is reinforced, the bearing capacity of the foundation bottom surface 8 is strengthened, the connection between the pile body and the rigid mattress layer 4 is strengthened, the stress area of the pile body 2 and the mattress layer body 3 is increased, the bearing capacity is fully utilized, meanwhile, the pre-pierced holes 7 are arranged in a matched mode, the pre-pierced mattress layer can bear larger pressure, the foundation bottom surface 8 is indirectly strengthened, the bearing capacity of the foundation bottom surface 8 is increased, the depth of the pre-pierced holes 7 can be flexibly adjusted according to the pile-soil stress ratio requirement required by design according to the load size, soil condition and mattress layer material property of specific engineering, different cushion layer thicknesses and pre-pierced depths are adopted, the composite foundation rigidity is reasonably adjusted through differential control of the pre-pierced hole depths, differential settlement of the foundation is reduced, and the thin sand 15 arranged between the anti-seepage geomembrane 6 and the sandstone layer 12 is used, namely, a layer of gravel with fine granularity is laid between the anti-seepage geomembrane 6 and the gravel layer 12, the anti-seepage geomembrane 6 is prevented from being broken by broken stones, the flexible mattress layer 5 can form a hydraulic channel, the anti-seepage geomembrane 6 is matched, accumulated water is prevented from permeating into the soil 1 between the piles, the anti-seepage performance of the mattress layer body 3 is improved, and the problem of single effect of the existing mattress layer is solved.
To sum up, with the aid of the above-mentioned technical scheme of the utility model, the degree of depth through pre-stabbed hole 7 can be according to the load size of concrete engineering, soil property condition, bedding material nature, pile soil stress ratio that needs to reach according to the design requires nimble the regulation, combine to adopt different bedding thickness and the degree of depth of pre-stabbed, differentiation control through the depth of pre-stabbed hole, rationally adjust compound ground rigidity, the difference that reduces the ground subsides, make bearing capacity can make full use of, the ground has been reinforceed indirectly, the bearing capacity of ground has been increased, both can satisfy ground prevention of seepage requirement, can exert compound ground bearing effect again, guarantee that pre-stabbed formula mattress layer can bear bigger pressure.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The pre-piercing mattress layer for the pile top of the composite foundation of the building is characterized by comprising pile-room soil (1), a pile body (2) and a mattress layer body (3), wherein the mattress layer body (3) is positioned at the upper end of the pile body (2), the pile body (2) and the mattress layer body (3) are arranged at the lower end of the pile body (3) and are provided with the pile-room soil (1), the mattress layer body (3) consists of a rigid mattress layer (4) and a flexible mattress layer (5), the rigid mattress layer (4) is positioned at the upper end of the flexible mattress layer (5), an anti-seepage geomembrane (6) is arranged between the flexible mattress layer (5) and the pile-room soil (1), the lower end of the flexible mattress layer (5) is provided with a plurality of pre-piercing holes (7) corresponding to the top end of the pile body (2), and the upper end of the rigid mattress layer (4) is provided with a base bottom surface (8), the concrete pouring structure is characterized in that a concrete pouring layer (9) is arranged at the upper end of the foundation bottom surface (8), and a reinforcing mesh (10) is arranged between the foundation bottom surface (8) and the concrete pouring layer (9).
2. The pre-inserted mattress layer of the construction composite foundation pile top according to claim 1, characterized in that the top end of the pile body (2) is provided with a sealing plate (11).
3. The construction composite foundation pile top pre-pierced mattress layer of claim 1, characterized in that the rigid mattress layer (4) is a plain concrete closed mattress layer.
4. The construction composite foundation pile top pre-needling mattress layer according to claim 1, characterized in that the flexible mattress layer (5) consists of a sand layer (12), a lime layer (13) and a rubber layer (14), the sand layer (12) being located at the upper end of the impermeable geomembrane (6), the sand layer (12) being provided at its upper end with the lime layer (13), the lime layer (13) being provided at its upper end with the rubber layer (14).
5. A pre-needled mattress cover for the pile top of construction composite foundation according to claim 4, characterized in that a thin layer of sand (15) is arranged between the impermeable geomembrane (6) and the gravel layer (12).
6. The pre-inserted mattress layer of the pile top of composite foundation for construction according to claim 1, characterized in that the thickness of the mattress layer body (3) is 20-60 cm, and the thickness of the rigid mattress layer (4) is 10-30 cm, and the thickness of the flexible mattress layer (5) is 10-30 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922068288.7U CN212335975U (en) | 2019-11-27 | 2019-11-27 | Pre-stabbed mattress layer of composite foundation pile top of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922068288.7U CN212335975U (en) | 2019-11-27 | 2019-11-27 | Pre-stabbed mattress layer of composite foundation pile top of building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212335975U true CN212335975U (en) | 2021-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922068288.7U Expired - Fee Related CN212335975U (en) | 2019-11-27 | 2019-11-27 | Pre-stabbed mattress layer of composite foundation pile top of building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212335975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668591A (en) * | 2021-08-20 | 2021-11-19 | 青岛前盛业建设工程有限公司 | Pre-stabbed mattress layer structure of composite foundation pile top of building |
| CN115369905A (en) * | 2022-09-09 | 2022-11-22 | 中冶成都勘察研究总院有限公司 | Modulus adjusting layer-based rigid pile composite foundation structure and construction method |
-
2019
- 2019-11-27 CN CN201922068288.7U patent/CN212335975U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668591A (en) * | 2021-08-20 | 2021-11-19 | 青岛前盛业建设工程有限公司 | Pre-stabbed mattress layer structure of composite foundation pile top of building |
| CN115369905A (en) * | 2022-09-09 | 2022-11-22 | 中冶成都勘察研究总院有限公司 | Modulus adjusting layer-based rigid pile composite foundation structure and construction method |
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| 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: 20210112 |