CN215977353U - Beam-slab foundation and beam-slab bearing platform - Google Patents
Beam-slab foundation and beam-slab bearing platform Download PDFInfo
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- CN215977353U CN215977353U CN202121072049.XU CN202121072049U CN215977353U CN 215977353 U CN215977353 U CN 215977353U CN 202121072049 U CN202121072049 U CN 202121072049U CN 215977353 U CN215977353 U CN 215977353U
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Abstract
The utility model relates to the technical field of electrical equipment foundation structures, and aims to solve the problems that in an independent pile foundation bearing platform in the prior art, a pile foundation does not give full play to bearing capacity, construction workload is large, connection among all foundations is weak, and integrity is poor; the beam-slab type bearing platform comprises a beam-slab type foundation, and a plurality of pile foundations are uniformly distributed below the beam-slab type foundation; the utility model has the beneficial effects that: the settlement problem of high fill can be effectively solved, especially the uneven settlement problem, when reducing foundation cost by a wide margin, the reliability of electrical equipment in service in the alternating current filter rail has been improved, satisfies the operation requirement of converter station safe operation.
Description
Technical Field
The utility model relates to the technical field of electrical equipment foundation structures, in particular to a beam-slab foundation and a beam-slab bearing platform.
Background
In the engineering of a converter station in an extra-high voltage (or extra-high voltage) mountain area, a 500kV alternating current filter field is required to be arranged in a deep and high fill area due to field limitation. At the moment, the electric equipment foundation needs to adopt a pile foundation, and the electric equipment is arranged on a stable foundation bearing layer so as to overcome the adverse effects of relative deflection (or relative displacement) and the like generated on the stability of the foundation by the settlement of high fill soil in the field.
In traditional scheme, the electric equipment in the alternating current filter rail all arranges the pile foundation according to equipment one by one alone, and each equipment adopts independent pile foundation cushion cap promptly. However, because of the large number of types and numbers of devices in the fence (for example, three-tuned filter groups can reach more than 70 individual devices), the conventional independent pile foundation bearing platform has the following disadvantages:
1. the bearing capacity of the pile foundations is not fully exerted, and most pile foundations are arranged according to the construction requirements, so that the total pile foundations are large in quantity and engineering quantity;
2. the number of the independent pile foundation bearing platforms which are distributed is large, the workload of formwork support is large, and construction is complicated and inconvenient;
3. the connection among all foundations is weak, lateral support among foundation piles is formed only by connecting beams, the integrity is poor, the cooperative deformation capability among equipment is poor, and the adaptability to uneven settlement is poor;
4. the filling quality causes difficulty in pile foundation pore-forming, repeated hole collapse (even hole forming can not be achieved) occurs, and the construction efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a beam-slab foundation and a beam-slab bearing platform, and aims to solve the problems that the traditional independent pile foundation bearing platform does not give full play to the bearing capacity, the construction workload is large, the connection among all foundations is weak, and the integrity is poor.
The embodiment of the utility model is realized by the following steps:
the utility model provides a beam slab formula basis, includes backup pad and a plurality of basis buttress, every basis buttress fixed connection in the top of backup pad, all electrical equipment can install respectively on the basis buttress.
The beam-slab foundation is suitable for areas with partly stable foundation and partly high fill.
The beam-slab foundation can be directly installed in the area without arranging pile foundations in the area, and then all electrical equipment is installed on the foundation buttresses respectively.
Compared with the traditional independent pile foundation bearing platform, the bearing capacity of each pile foundation is not fully exerted due to the fact that the pile foundation needs to be arranged for each electrical device installed in the high soil filling area, the beam-slab foundation provided by the utility model is good in integrity and large in rigidity, all the electrical devices can be installed on each foundation buttress respectively, and the pile foundation does not need to be arranged in the high soil filling area near the stable foundation, so that the construction workload is small, the construction efficiency is improved, the overall stability of all the electrical device foundations in the fence on the foundation buttress is enhanced, the manufacturing cost is saved, and the safety and stability of the operation of the electrical devices are guaranteed.
In one embodiment:
and the side line of the beam-slab foundation is determined according to the envelope of the outer edge of the foundation required by the installation of each device in the fence.
In one embodiment:
the backup pad includes roof and a plurality of rib roof, the roof with basic buttress fixed connection, the rib roof set up in the below of roof.
The arrangement of the plurality of rib beams can increase the strength and rigidity of the top plate, the integrity of the beam-slab foundation is guaranteed, and the dead weight of the beam-slab foundation is reduced while the beam-slab foundation has large bearing capacity and rigidity.
In one embodiment:
all the rib beams are uniformly distributed below the top plate at intervals, and the distance between every two adjacent rib beams is 6-8 m.
The rib beams are uniformly distributed at intervals, so that the strength and rigidity of the top plate can be uniformly increased, the rigidity of each part is ensured to be higher, and the high-strength steel plate has good bearing capacity.
In one embodiment:
the height of the rib beam is 1/16 of the distance between two adjacent rib beams.
In one embodiment:
the width of the rib beam is 200-250 mm.
In one embodiment:
the rib beam comprises a transverse rib beam and a longitudinal rib beam, and the transverse rib beam and the longitudinal rib beam are arranged perpendicular to each other.
The transverse rib and the longitudinal rib are arranged perpendicular to each other, so that the rigidity of the top plate is further enhanced.
In one embodiment:
the length of the top plate is 20-60 m.
Which dimensions are able to accommodate the electrical equipment normally required in a converter station.
In one embodiment:
the top plate and the rib beam are both of reinforced concrete structures.
The reinforced concrete structure has high rigidity and is not easy to deform, and the formed integral structure has good bearing capacity.
In one embodiment:
and the top plate and the rib beam are integrally cast.
In one embodiment:
and the reinforcing mesh of the top plate is supported above the rib beam reinforcing cage, and then concrete is poured for forming.
The utility model provides a beam slab formula cushion cap, includes beam slab formula basis evenly laid a plurality of pile foundations in beam slab formula basis's below.
According to the weight of all electrical equipment, beam slab foundation and the bearing capacity characteristic value of soil weight and single pile foundation on it, calculate the quantity of confirming required pile foundation, guarantee the bearing capacity of every pile foundation of make full use of, reduce pile foundation quantity as far as possible, reduce the construction work load, reduce the construction degree of difficulty.
The beam-slab bearing platform is suitable for high fill areas.
Compared with the traditional independent pile foundation bearing platform, the beam plate type bearing platform provided by the utility model can bear all required electrical equipment, does not need to arrange a pile foundation for each equipment, obviously reduces the number of the pile foundations, fully utilizes the bearing capacity of each pile foundation, reduces the construction workload, improves the construction efficiency, saves the construction cost, reduces the number of the pile foundations, and correspondingly reduces the condition of reducing the construction efficiency possibly caused by soil filling and hole collapse, thereby further improving the construction efficiency;
meanwhile, the beam-slab bearing platform is good in integrity, the rigidity of the beam-slab bearing platform is greatly improved, the overall stability of all electrical equipment foundations in the fence is enhanced, the adverse effects of uniform settlement and non-uniform settlement of high-fill soil are overcome, and the safe operation of the equipment is ensured.
The beam-slab bearing platform provided by the utility model can effectively solve the settlement problem of high fill, greatly reduce the foundation cost, improve the reliability of electrical equipment in the AC filter fence in operation and meet the use requirement of safe operation of a converter station.
In one embodiment:
the distance between two adjacent pile foundations is 3-6 times of the diameter of the pile foundations.
In one embodiment:
the pile foundation is fixedly connected with the rib beam.
In one embodiment:
and an anchoring steel bar is reserved on the top surface of the pile foundation.
The anchoring steel bar can be bound with the rib beam steel reinforcement cage in advance, and then concrete of the rib beam and the top plate is poured, so that the connection strength of the pile foundation and the beam slab foundation is improved.
In one embodiment:
the thickness of the top plate is 0.2m, and the height of the rib beam is 0.6m-0.8 m.
Because the bearing capacity of the beam-slab foundation is large, the thickness of the top plate is smaller than that of a bearing platform in the prior art, and the requirement of load of electrical equipment in the converter station can be met when the thickness of the top plate is 0.2 m.
In summary, due to the adoption of the technical scheme, the beam-slab foundation has the beneficial effects that:
compared with the traditional independent pile foundation bearing platform, the bearing capacity of each pile foundation is not fully exerted due to the fact that the pile foundation needs to be arranged for each electrical device installed in the high fill area, the beam-slab foundation provided by the utility model is good in integrity and large in rigidity, all the electrical devices can be installed on each foundation buttress respectively, and the pile foundation does not need to be arranged in the high fill area near the stable foundation, so that the construction workload is small, the construction efficiency is improved, the overall stability of all the electrical device foundations in the fence on the foundation buttress is enhanced, the adverse effects of uniform settlement and non-uniform settlement of high-fill soil are overcome, the safety and stability of the operation of the electrical devices are guaranteed, the manufacturing cost is saved, and good economic benefits are achieved.
The beam-slab bearing platform has the beneficial effects that:
1. compared with the traditional independent pile foundation bearing platform, the beam plate type bearing platform provided by the utility model can bear all required electrical equipment, does not need to arrange a pile foundation for each electrical equipment, obviously reduces the number of the pile foundations, fully utilizes the bearing capacity of each pile foundation, reduces the construction workload, improves the construction efficiency, saves the construction cost, reduces the number of the pile foundations, and correspondingly reduces the condition of reduction of the construction efficiency possibly caused by soil filling and hole collapse, thereby further improving the construction efficiency;
meanwhile, the beam-slab bearing platform is good in integrity, the rigidity of the beam-slab bearing platform is greatly improved, the overall stability of all electrical equipment foundations in the fence is enhanced, the adverse effects of uniform settlement and non-uniform settlement of high-fill soil are overcome, and the safe operation of the equipment is ensured.
2. The beam-slab bearing platform provided by the utility model can effectively solve the settlement problem of high fill, greatly reduce the foundation cost, improve the reliability of electrical equipment in the AC filter fence in operation and meet the use requirement of safe operation of a converter station.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings referred to in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural view of a beam-slab foundation according to the present invention.
Fig. 2 is a layout view of a rib according to the present invention.
Fig. 3 is a schematic structural view of the beam-slab bearing platform according to the present invention.
Fig. 4 is a layout view of the pile foundation according to the present invention.
Icon: 1-a support plate; 11-a top plate; 12-a rib beam; 121-transverse ribs; 122-longitudinal ribs; 2-foundation buttress; 3-pile foundation.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Example 1
Referring to fig. 1-2, the present embodiment provides a beam-slab foundation, including a supporting plate 1 and a plurality of foundation buttresses 2, where each foundation buttress 2 is fixedly connected above the supporting plate 1, a fence is installed around the supporting plate 1, and is used for installing various electrical devices in the fence, all the electrical devices are installed on each foundation buttress 2 respectively, all the foundation buttresses 2 are used for supporting all the electrical devices, a side line of the beam-slab foundation is determined according to an envelope of a base outer edge required by installation of each electrical device in the fence, and generally, the length of the supporting plate 1 is 20-60m, and can accommodate electrical devices required by a converter station under normal conditions.
The supporting plate 1 comprises a top plate 11 and a plurality of rib beams 12, the top plate 11 is fixedly connected with the foundation buttress 2, and the rib beams 12 are arranged below the top plate 11.
The rib 12 includes a transverse rib 121 and a longitudinal rib 122, and the transverse rib 121 and the longitudinal rib 122 are arranged perpendicular to each other.
All the transverse ribs 121 and the longitudinal ribs 122 are uniformly distributed at intervals below the top plate 11, and the distance between two adjacent transverse ribs 121 and the distance between two adjacent longitudinal ribs 122 are 6-8m, and preferably 8m in the embodiment.
The height of the transverse ribs 121 and the longitudinal ribs 122 is 0.5 m; the width of the transverse ribs 121 and the longitudinal ribs 122 is 200 mm and 250mm, and in the present embodiment, 250mm is preferred.
In this embodiment, the top plate 11, the rib 12, and the foundation pier 2 are all of a reinforced concrete structure.
The mesh reinforcement of the top plate 11 is supported above the reinforcement cages of the rib beams 12, and then the top plate 11 and the rib beams 12 are integrally cast.
The beam-slab foundation is suitable for the areas with the parts of stable foundations and the parts of high-fill soil.
The beam-slab foundation is directly installed in the area without arranging pile foundations in the area, and the beam-slab foundation is good in integrity and large in rigidity, so that the beam-slab foundation can adapt to the settlement of the high-fill soil while bearing all electrical equipment, and the operation of the electrical equipment on the foundation buttress cannot be influenced due to a small amount of deviation or settlement of the whole beam-slab foundation, so that the adverse effects of uniform settlement and non-uniform settlement of the high-fill soil are overcome, and the safe operation of the electrical equipment is ensured.
The beam slab foundation of this embodiment need not to arrange the pile foundation, therefore the construction procedure is few, work load is little, the efficiency of construction is high, has strengthened simultaneously the overall stability of all electrical equipment foundations in the rail on the basis buttress has saved the cost, has also guaranteed the safety and stability of electrical equipment operation.
Example 2
Referring to fig. 3 to 4, the present embodiment provides a beam slab type pile cap, including the beam slab type foundation described in embodiment 1, a plurality of pile foundations 3 are uniformly distributed below the beam slab type foundation, a distance between two adjacent pile foundations 3 is 3 to 6 times of a pile foundation diameter, and the bottom of each pile foundation 3 abuts against a bedrock to form a stable bearing structure. All the pile foundations 3 are distributed in an array form and support the upper structure together.
3 top surfaces of pile foundation reserve has the anchor reinforcing bar, the anchor reinforcing bar in advance with rib 12 steel reinforcement cage ligatures, then pours rib 12 with the concrete of roof 11 is favorable to improving the pile foundation 3 with the joint strength of beam slab foundation.
Compared with the traditional independent pile foundation bearing platform, the beam slab type bearing platform provided by the embodiment has the advantages that one pile foundation 3 does not need to be arranged for each electrical device, the number of the pile foundations 3 is obviously reduced, the bearing capacity of each pile foundation 3 is fully utilized, the construction workload is reduced, the construction efficiency is improved, the engineering cost is saved, the number of the pile foundations 3 is reduced, and the situation that the construction efficiency is reduced due to hole collapse caused by filling is correspondingly reduced, so that the construction efficiency can be further improved;
meanwhile, the beam-slab bearing platform is good in integrity, the rigidity of the beam-slab bearing platform is greatly improved, the overall stability of all electrical equipment foundations in the fence is enhanced, the adverse effects of uniform settlement and non-uniform settlement of high-fill soil are overcome, and the safe operation of the equipment is ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A beam slab foundation which is characterized in that:
the device comprises a supporting plate (1) and a plurality of foundation buttresses (2), wherein each foundation buttress (2) is fixedly connected above the supporting plate (1), and all electrical equipment can be respectively arranged on each foundation buttress (2);
the supporting plate (1) comprises a top plate (11) and a plurality of rib beams (12), the top plate (11) is fixedly connected with the foundation buttress (2), and the rib beams (12) are arranged below the top plate (11);
the rib beam (12) comprises a transverse rib beam (121) and a longitudinal rib beam (122), wherein the transverse rib beam (121) and the longitudinal rib beam (122) are arranged perpendicular to each other.
2. The beam and slab foundation as defined in claim 1, wherein:
all the rib beams (12) are uniformly distributed at intervals below the top plate (11), and the distance between every two adjacent rib beams (12) is 6-8 m.
3. The beam and slab foundation as defined in claim 2, wherein:
the height of the rib beam (12) is 1/16 of the distance between two adjacent rib beams (12).
4. The beam and slab foundation as defined in claim 2, wherein:
the width of the rib beam (12) is 200 mm and 250 mm.
5. The beam and slab foundation as defined in any one of claims 1-4, wherein:
the top plate (11) and the rib beam (12) are both of reinforced concrete structures.
6. The beam and slab foundation as defined in claim 5, wherein:
the top plate (11) and the rib beam (12) are integrally cast.
7. The utility model provides a beam slab formula cushion cap which characterized in that:
the beam-slab foundation comprises the beam-slab foundation as claimed in any one of claims 1 to 6, and a plurality of pile foundations (3) are uniformly distributed below the beam-slab foundation.
8. The beam slab bolster of claim 7, wherein:
the distance between two adjacent pile foundations (3) is 3-6 times of the diameter of the pile foundations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121072049.XU CN215977353U (en) | 2021-05-18 | 2021-05-18 | Beam-slab foundation and beam-slab bearing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121072049.XU CN215977353U (en) | 2021-05-18 | 2021-05-18 | Beam-slab foundation and beam-slab bearing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215977353U true CN215977353U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121072049.XU Active CN215977353U (en) | 2021-05-18 | 2021-05-18 | Beam-slab foundation and beam-slab bearing platform |
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|---|---|
| CN (1) | CN215977353U (en) |
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2021
- 2021-05-18 CN CN202121072049.XU patent/CN215977353U/en active Active
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