CN219732059U - Foundation protection structure - Google Patents
Foundation protection structure Download PDFInfo
- Publication number
- CN219732059U CN219732059U CN202321021069.3U CN202321021069U CN219732059U CN 219732059 U CN219732059 U CN 219732059U CN 202321021069 U CN202321021069 U CN 202321021069U CN 219732059 U CN219732059 U CN 219732059U
- Authority
- CN
- China
- Prior art keywords
- foundation
- pile
- protection structure
- roof beam
- piles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002787 reinforcement Effects 0.000 claims description 31
- 239000004567 concrete Substances 0.000 claims description 13
- 238000004873 anchoring Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000010276 construction Methods 0.000 description 8
- 239000002689 soil Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Landscapes
- Foundations (AREA)
Abstract
The utility model relates to the field of constructional engineering, in particular to a foundation protection structure, which comprises connecting beams, wherein the connecting beams are arranged around the periphery of a foundation, a plurality of supporting beams are fixedly connected to the connecting beams towards the direction of the foundation, and a plurality of fixing piles are fixedly connected to the connecting beams and the supporting beams. By arranging the fixed piles on the periphery of the foundation, when the untreated area on the periphery of the foundation generates lateral displacement to the foundation area under the action of load, the fixed piles can share the lateral pressure generated by the untreated area on the periphery of the foundation on the foundation; through even roof beam, can increase protection architecture's atress area, improve protection architecture's stability, through setting up the prop up the roof beam can be right even the roof beam provides holding power, improve protection architecture's compressive capacity, strengthen protection architecture's stability, reduce the influence of the peripheral untreated region of ground to the ground, and then reach the technological effect that reduces the peripheral untreated region of ground to the influence of building.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a foundation protection structure.
Background
When the engineering construction is carried out on the soft soil section, the problems of shrinkage cavity, collapse, instability and collapse of the foundation pit wall and the like of the soft soil can occur, the construction is greatly influenced, meanwhile, the soft soil is high in water content and compressibility, and the ground surface building is likely to sink due to large compression deformation. In order to overcome the influence of soft soil settlement on a ground surface building, the prior art optimizes the foundation of the building, but only how to control the soft soil settlement of the foundation part of the building is considered in the optimizing process, namely, the building and the foundation thereof are considered as independent structures, and only the influence of the soft soil of the foundation part on the foundation is considered. However, in actual construction, soft soil is also distributed around the foundation, and especially when inclined rock stratum exists around the foundation, an untreated area around the foundation can move sideways to the foundation area under the action of load, so that the stability of the foundation is affected, and the stability of an earth surface building is further affected.
Disclosure of Invention
The utility model aims at: aiming at the problem of how to reduce the influence of the untreated areas around the foundation on the foundation area in the prior art, the foundation protection structure is provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a foundation protection structure, includes even roof beam, even roof beam arranges around the foundation periphery, even roof beam orientation one side fixedly connected with a plurality of corbel of foundation, even roof beam the equal fixedly connected with of corbel a plurality of spud pile.
According to the utility model, the fixed piles are arranged on the periphery of the foundation, when the untreated area around the foundation generates lateral displacement to the foundation area under the action of load, the fixed piles can share the lateral pressure on the foundation generated by the untreated area around the foundation, further, the stress area of the protection structure can be increased through the connecting beams, the stability of the protection structure is improved, and the supporting beams can provide supporting force for the connecting beams when the fixed piles and the connecting beams receive the lateral pressure from the periphery of the foundation, so that the compression resistance of the protection structure is improved, the stability of the protection structure is enhanced, the influence of the untreated area around the foundation on the foundation area is reduced, and the technical effect of reducing the influence of the untreated area around the foundation on a building is achieved.
As a preferable scheme of the utility model, the fixing piles are fixedly connected to the joint of the connecting beam and the supporting beam, so that the structural strength of the joint of the connecting beam and the supporting beam is increased, the compression resistance of the protection structure is improved, and the stability of the maintenance structure is enhanced.
As a preferable scheme of the utility model, the supporting beams are arranged perpendicular to the connecting beams, so that the resistance of the foundation protection structure to lateral pressure is improved.
As a preferable scheme of the utility model, each supporting beam is fixedly connected with at least two fixing piles along the length direction of the supporting beam.
As a preferable scheme of the utility model, the pile spacing between adjacent fixed piles is 2-2.5m.
As a preferable scheme of the utility model, the pile top of the fixed pile is provided with the pile cap, and the fixed pile and the pile cap are integrally cast into a structural member. By arranging the pile cap, pile top damage and pile body inclination caused in the process of mounting the pile top of the fixed pile can be avoided.
As a preferable scheme of the utility model, main reinforcements and stirrups are distributed in the connecting beams and the supporting beams, the stirrups are used for fixing a plurality of main reinforcements, the length of the main reinforcements anchored into the fixed piles or the pile caps is l,
l≥1.5la
where la is the tensile anchoring length of the main rib 12.
As a preferable scheme of the utility model, the thickness of the concrete on the surfaces of the main reinforcements and the stirrups is larger than or equal to 70mm. Because the air contains substances such as water and carbon dioxide which are easy to rust the steel bars, the concrete on the surface of the steel bars can protect the steel bars, if the thickness of the concrete is insufficient, cracks are easy to appear, and the substances such as water and carbon dioxide are easy to invade and rust the steel bars.
As a preferable scheme of the utility model, a reinforcement cage is arranged along the axial direction of the fixed pile. The concrete has high compressive strength but low tensile strength, and the reinforcement cage is arranged in the fixed pile to mainly play a role in tensile strength, so that the pile body concrete can be restrained, and a certain axial tension can be borne.
As a preferred embodiment of the present utility model, the fixing pile is a CFG pile. The CFG pile can fully exert the potential of pile body materials, fully utilize the bearing capacity of the natural foundation, and has the advantages of high work efficiency, low cost, small deformation after construction and quick sedimentation.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the utility model, the fixed piles are arranged on the periphery of the foundation, when the untreated area around the foundation generates lateral displacement to the foundation area under the action of load, the fixed piles can share the lateral pressure on the foundation generated by the untreated area around the foundation, further, the stress area of the protection structure can be increased through the connecting beams, the stability of the protection structure is improved, and the supporting beams can provide supporting force for the connecting beams when the fixed piles and the connecting beams receive the lateral pressure from the periphery of the foundation, so that the compression resistance of the protection structure is improved, the stability of the protection structure is enhanced, the influence of the untreated area around the foundation on the foundation is reduced, and the technical effect of reducing the influence of the untreated area around the foundation on a building is achieved.
2. The CFG pile is used as the fixed pile, so that the potential of pile body materials can be fully exerted, the bearing capacity of a natural foundation can be fully utilized, and the pile has the advantages of high work efficiency, low cost, small deformation after construction and high settling stability.
3. The utility model has simple structure, low cost and strong practicability.
Drawings
Fig. 1 is a plan view of a ground protection structure according to the present utility model.
Fig. 2 is an enlarged view of a portion C in fig. 1.
Fig. 3 is a plan view of the tie beam of the present utility model.
Fig. 4 is a cross-sectional view of section A-A of fig. 3.
Fig. 5 is a schematic structural view of the fixing pile according to the present utility model.
Fig. 6 is a cross-sectional view of section B-B of fig. 5.
The marks in the figure: 1-connecting a beam; 11-corbels; 12-main tendons; 13-stirrups; 2-foundation; 3-fixing piles; 31-a reinforcement cage; 4-pile cap.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
1-4, including even roof beam 1, even roof beam 1 arranges around the foundation 2 periphery, according to the specific case, even roof beam 1 also can be around a certain part of foundation 2 periphery is arranged, even roof beam 1 orientation one side of foundation 2 is fixedly connected with a plurality of support beams 11, even roof beam 1 with support beam 11 is the comb form, even roof beam 1 the equal fixedly connected with of support beam 11 a plurality of spud pile 3, preferably, every support beam 11 is along its length direction fixedly connected with at least two spud pile 3, of course, according to the actual case, every support beam 11 also can be along its length direction fixedly connected with two or four or other quantity spud pile 3.
Through setting up the fixed pile 3 in the periphery of foundation 2, when foundation 2 peripheral untreated area is under the load effect to the foundation 2 regional side displacement effect, the fixed pile 3 can be shared the peripheral untreated area of foundation 2 is to the lateral pressure that foundation 2 produced, further, through even roof beam 1, can increase the bearing area of protection architecture, improve protection architecture's stability, through setting up prop up roof beam 11, when fixed pile 3 with even roof beam 1 receives the lateral pressure from foundation 2 periphery, prop up roof beam 11 can for even roof beam 1 provides holding power, improves protection architecture's compressive capacity, strengthens protection architecture's stability, reduces the influence of foundation 2 peripheral untreated area to foundation 2, and then reaches the technological effect that reduces the influence of foundation 2 peripheral untreated area to the building.
Preferably, the fixing piles 3 are fixedly connected to the joint of the connecting beam 1 and the supporting beam 11, so as to increase the structural strength of the joint of the connecting beam 1 and the supporting beam 11, thereby improving the compression resistance of the protection structure and enhancing the stability of the protection structure. The pile spacing between adjacent fixed piles 3 is determined according to actual engineering conditions, and in general, the pile spacing between adjacent fixed piles 3 is 2-2.5m. Further, the supporting beams 11 are arranged perpendicular to the connecting beam 1, so as to improve the resistance of the foundation protection structure to lateral pressure, and it is understood that, when a bearing platform foundation is located at a local position, the supporting beams 11 may also be arranged obliquely so as to avoid the bearing platform foundation.
The pile end bearing layer of the fixed pile 3 is a control standard of 0.5m for entering wind-induced degradation or no less than 3m for strong wind-induced degradation, and the final pile length is determined according to the stratum of actual construction, wherein the pile length is 6.5-15.5m, and the average pile length is 10.5m.
Specifically, the fixing pile 3 adopts a CFG pile (cement fly-ash gravel pile), and the CFG pile is a pile with high bonding strength, so that the potential of pile body materials can be fully exerted, the bearing capacity of a natural foundation can be fully utilized, and local materials can be utilized according to local conditions, and the pile has the advantages of high work efficiency, low cost, small deformation after construction and stable and fast sedimentation.
Pile caps 4 are arranged on pile tops of the fixed piles 3, the fixed piles 3 and the pile caps 4 are integrally cast to form structural members, stability is higher, the pile caps 4 are arranged in the installation process of the fixed piles 3, the pile caps 4 can avoid damage to the pile tops and inclination of pile bodies, and the floating paste and broken layers of the pile tops of the fixed piles 3 should be removed before the pile caps 4 are constructed.
Preferably, the connecting beam 1 and the supporting beam 11 are reinforced concrete beams, and are integrally cast with the fixing piles 3, and the strength grade of the concrete is C30 during casting. The connecting beam 1 and the supporting beam 11 are internally provided with a main reinforcement 12 and a stirrup 13, optionally, the main reinforcement 12 adopts HRB400 steel bars, the stirrup 12 adopts HPB300 steel bars, the main reinforcement 12 is anchored into the fixed pile 3 or the pile cap 4, thereby enhancing the connection stability of the connecting beam 1, the supporting beam 11 and the fixed pile 3, further improving the stability of the protection structure, specifically, the anchoring length of the main reinforcement 12 is l,
l≥1.5la
wherein la is the tensile anchoring length of the main reinforcement 12, that is, 35 times the diameter of the reinforcement.
The stirrups 13 are wound on the outer sides of the main reinforcements 12, the stirrups 13 are used for fixing the main reinforcements 12 together, and the stirrups 13 can also increase the shear strength of the inclined section.
Further, the surfaces of the main reinforcement 12 and the stirrup 13 are covered with concrete, and the concrete covered on the surfaces of the reinforcing bars can protect the reinforcing bars due to substances which are easy to rust the reinforcing bars, such as water, carbon dioxide and the like in the air, and if the concrete thickness on the surfaces of the reinforcing bars is insufficient, cracks are easy to occur, and the substances such as water, carbon dioxide and the like are easy to invade so as to rust the reinforcing bars, particularly in the utility model, the concrete thickness on the surfaces of the main reinforcement 12 and the stirrup 13 is more than or equal to 70mm.
Example 2
In this embodiment, a reinforcement cage 31 is added on the basis of embodiment 1, as shown in fig. 5-6, the reinforcement cage 31 is disposed on the fixing pile 3 and is disposed along the axial direction of the fixing pile 3, specifically, the length of the reinforcement cage 31 is 10 meters, and when the length of the fixing pile 3 is less than 10 meters, the reinforcement cage 31 is configured in a through length manner.
Since the concrete has high compressive strength but low tensile strength, the reinforcement cage 31 is arranged in the fixed pile 3 to play a main role in tensile strength, so that the pile body concrete can be restrained to bear a certain axial tensile force.
During installation, the reinforcement cage 31 adopts a post-pressing construction process, the pile cap 4 is anchored in the whole section of the reinforcement cage 31, and the bending length of the reinforcement of the pile cap 4 along the circumferential direction of the pile cap 4 is greater than or equal to 100mm, so that the stability of the structure is enhanced.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a foundation protection structure, its characterized in that, including linking roof beam (1), even roof beam (1) is arranged around foundation (2) periphery, even roof beam (1) orientation one side fixedly connected with a plurality of prop up roof beam (11) of foundation (2), even roof beam (1) prop up roof beam (11) all fixedly connected with a plurality of spud pile (3).
2. A foundation protection structure according to claim 1, characterized in that the fixing piles (3) are fixedly connected to the junction of the connecting beam (1) and the supporting beam (11).
3. A foundation protection structure according to claim 1, characterized in that the corbels (11) are arranged perpendicular to the connecting beams (1).
4. A foundation protection structure according to claim 1, characterized in that each of said corbels (11) is fixedly connected with at least two of said fixing piles (3) along its length.
5. A foundation protection structure according to claim 4, characterized in that the pile spacing of adjacent fixed piles (3) is 2-2.5m.
6. A foundation protection structure according to claim 1, characterized in that the pile top of the fixing pile (3) is provided with a pile cap (4), and the fixing pile (3) and the pile cap (4) are integrally cast structural members.
7. The foundation protection structure according to claim 6, wherein main reinforcements (12) and stirrups (13) are distributed in the connecting beams (1) and the supporting beams (11), the stirrups (13) are used for fixing a plurality of the main reinforcements (12), the main reinforcements (12) are anchored into the fixed piles (3) or the pile caps (4) with the length of l,
l≥1.5la
wherein la is the tensile anchoring length of the main reinforcement.
8. A foundation protection structure according to claim 7, characterized in that the concrete thickness of the main reinforcement (12), the stirrup (13) surface is greater than or equal to 70mm.
9. A foundation protection structure according to claim 1, characterized in that a reinforcement cage (31) is arranged in the axial direction of the fixing pile (3).
10. A foundation protection structure according to any one of claims 1-9, characterized in that the fixing piles (3) are CFG piles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321021069.3U CN219732059U (en) | 2023-04-28 | 2023-04-28 | Foundation protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321021069.3U CN219732059U (en) | 2023-04-28 | 2023-04-28 | Foundation protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219732059U true CN219732059U (en) | 2023-09-22 |
Family
ID=88051089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321021069.3U Active CN219732059U (en) | 2023-04-28 | 2023-04-28 | Foundation protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219732059U (en) |
-
2023
- 2023-04-28 CN CN202321021069.3U patent/CN219732059U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102055436B1 (en) | Prefabricated pier column member with steel-concrete composite structure | |
| CN2784490Y (en) | Prestress connection node for beam column of assembled concrete frame structure | |
| CN104790424A (en) | Reinforcing system and reinforcing method of wind power generation tower foundation ring foundation | |
| CN201155080Y (en) | Large-span V-shaped continuous rigid frame bridge | |
| CN108999088A (en) | A kind of construction method of cable-stayed bridge | |
| CN104631436A (en) | Method for improving integral type bridge abutment sustaining pile stress performance by H-shaped concrete pile | |
| CN106930436B (en) | Reinforced concrete shear wall with built-in prestressed steel diagonal bracing | |
| CN101245610B (en) | Reinforced concrete structure with steel plate reinforcement layer set on partial surface | |
| CN219732059U (en) | Foundation protection structure | |
| CN203475289U (en) | Pile type continuous rigid frame bridge | |
| CN217204610U (en) | Low multilayer does not need to support assembled ultra high performance concrete frame structure and building | |
| CN214530638U (en) | Multi-shaft stirring stiffness composite pile | |
| CN211523761U (en) | Ribbed light steel beam with novel connection mode | |
| CN112609637B (en) | Prestressing force reinforced structure of aqueduct body | |
| CN213114345U (en) | Combined type pier antidetonation reinforced structure | |
| CN212223643U (en) | Single-column pier tension-compression combined anti-overturning structure | |
| CN111456281A (en) | Prestress self-resetting hollow block masonry combined structure and construction method | |
| CN113279702A (en) | Design method of shaft expanding, excavating and drilling derrick | |
| CN203022018U (en) | Plant column foundation in reclamation areas | |
| CN210482043U (en) | Ultrahigh-toughness concrete anti-seismic bridge tower structure | |
| CN206752458U (en) | A kind of new uplift pile of superelevation anti-pulling capacity | |
| CN108999073A (en) | A kind of cable-stayed bridge | |
| CN111058368A (en) | Corrugated steel reinforcing arch utilizing high-strength grouting material and building method thereof | |
| CN201095721Y (en) | Soft soil foundation porous double suspension arms arched bridge structure | |
| CN219261033U (en) | Foundation pit supporting beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |