CN215977351U - Reinforced framework foundation structure and supporting mechanism - Google Patents
Reinforced framework foundation structure and supporting mechanism Download PDFInfo
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- CN215977351U CN215977351U CN202122182634.1U CN202122182634U CN215977351U CN 215977351 U CN215977351 U CN 215977351U CN 202122182634 U CN202122182634 U CN 202122182634U CN 215977351 U CN215977351 U CN 215977351U
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Abstract
The utility model relates to a reinforced framework foundation structure and a supporting mechanism, which comprise an original foundation, wherein a plurality of reinforced foundations are arranged on the periphery of the original foundation, a post-pouring belt is arranged between each reinforced foundation and the original foundation, the reinforced foundations and the original foundation are connected into a whole through the post-pouring belt, first connecting reinforcing steel bars are embedded in the reinforced foundations and extend out of the reinforced foundations and are fixed with second connecting reinforcing steel bars implanted into the original foundation.
Description
Technical Field
The utility model relates to the technical field of electric power facility construction, in particular to a reinforced framework foundation structure and a supporting mechanism.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The transformation framework is a general name of a main support structure of outdoor wires and equipment of a transformer substation, a substation and the like. Classified by material, there are generally: the steel reinforced concrete composite frame comprises a field prefabricated reinforced concrete frame, a reinforced concrete column steel beam frame, a steel frame and a steel pipe concrete composite frame. The frame foundation is a load-bearing member of which the bottom of the frame is in contact with the foundation, for transmitting the load of the upper frame to the foundation.
In a reconstruction and extension project of a transformer substation, the load of a framework and a foundation is increased due to the fact that the tension of a new hanging wire is increased, the hanging wire point is increased and the like, and therefore the original framework foundation cannot meet the requirement of bearing capacity.
To solve this problem, the conventional method is to remove the frame and the frame foundation and then rebuild the frame and the frame foundation. The inventor finds that the framework foundation is generally a reinforced concrete structure, and the construction difficulty and the cost are high in crushing and dismantling of the framework foundation. In addition, the construction period of the dismantling and rebuilding process of the framework foundation is long, the working operation area is large, the power failure transition time of the transformer substation is long, and the operation and power transmission and transformation functions of the transformer substation are seriously influenced.
The construction of the traditional cast-in-place framework foundation generally comprises the working procedures of foundation pit excavation, reinforcing steel bar binding, formwork supporting, concrete pouring, concrete curing and the like, the process is generally about 32 days, each working procedure is constructed on site, the construction period is long, and the influence of weather is large.
In the construction process of winter and severe cold areas, a series of measures such as steam curing and the like are needed for the frame foundation poured in situ, the cost is high, the efficiency is low, and the problems of surface temperature stress cracks and freeze-thaw cracks of the foundation are easily caused by improper curing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a reinforced frame foundation structure which is convenient to construct.
In order to achieve the purpose, the utility model adopts the following technical scheme:
in a first aspect, an embodiment of the utility model provides a reinforced framework foundation structure, which comprises an original foundation, wherein a plurality of reinforced foundations are arranged on the periphery of the original foundation, a post-cast strip is arranged between each reinforced foundation and the original foundation, the reinforced foundations and the original foundation are connected into a whole through the post-cast strip, first connecting steel bars are embedded in the reinforced foundations, and the first connecting steel bars extend out of the reinforced foundations and are fixed with second connecting steel bars implanted into the original foundation.
Optionally, original basis includes first basic portion, first basic portion top surface is provided with second basic portion, and second basic portion top surface is equipped with the support column.
Optionally, horizontal sections of the first foundation portion and the second foundation portion are both square, and the first foundation portion, the second foundation portion and the support columns are coaxially arranged.
Optionally, the reinforcement foundation sets up four, and the reinforcement foundation is the cuboid structure, and in two adjacent first reinforcement foundations and second reinforcement foundations, the one end side on length direction and the first side parallel and level on original basis on first reinforcement foundation, the offside of the first side on original basis is the second side, and the other end side on first reinforcement foundation is the outside side parallel and level on basis with the second reinforcement foundation, and wherein the outside side on basis is consolidated for parallel and keeps away from the side of second side to the second.
Optionally, the first connecting reinforcing steel bar and the second connecting reinforcing steel bar are bound and fixed through a metal wire.
Optionally, the first connecting steel bar and the second connecting steel bar are fixed by a sleeve.
Optionally, be provided with the drilling on the original basis, second connecting reinforcement inserts inside the drilling and bonds fixedly with original basis.
Optionally, the thickness of the post-cast strip is 200mm-400 mm.
Optionally, the post-cast strip is of a concrete structure, and the concrete strength of the post-cast strip is greater than the concrete strength of the original foundation and the reinforced foundation.
In a second aspect, embodiments of the present invention provide a support mechanism comprising a reinforced frame infrastructure of the first aspect to which a frame is secured.
The beneficial effects of the utility model are as follows:
1. the reinforced framework foundation structure provided by the utility model has the original foundation and the reinforced foundation, the original foundation and the reinforced foundation are connected into a whole through the post-cast strip, the reinforced foundation can be formed only by connecting the reinforced foundation with the original foundation through the post-cast strip, the post-cast strip can be formed by pouring concrete, the reinforced foundation can be prefabricated, the original foundation does not need to be dismantled during manufacturing, the original foundation can be utilized, the construction speed is high, the construction difficulty is small, and the cost is low.
2. According to the reinforced framework foundation structure, the second connecting steel bars of the original foundation are fixedly connected with the first connecting steel bars of the reinforced foundation, so that the connecting strength of the original foundation and the reinforced foundation is ensured, and the formed new foundation is high in integrity and strength.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of the original basic structure of embodiment 1 of the present invention;
FIG. 3 is a schematic view of a reinforced foundation structure according to example 1 of the present invention;
FIG. 4 is a schematic structural view of a second connecting reinforcement in the original foundation construction in embodiment 1 of the present invention;
FIG. 5 is a construction process diagram according to embodiment 1 of the present invention;
the steel plate comprises a first foundation portion 1, a first side face 1-1, a second side face 1-2, a third side face 1-3, a fourth side face 1-4, a second foundation portion 2, a supporting column 3, a first reinforcing foundation 4, a second reinforcing foundation 5, a third reinforcing foundation 6, a fourth reinforcing foundation 7, a post-cast strip 8, a second connecting reinforcing steel bar 9 and a first connecting reinforcing steel bar 10.
Detailed Description
Example 1
The embodiment discloses a reinforced frame foundation, as shown in fig. 1, including original foundation and reinforced foundation, reinforced foundation sets up in original foundation periphery to utilize the post-cast strip to form a whole with original foundation, consolidate original foundation, original foundation and reinforced foundation form a new integral basis.
As shown in fig. 2, the original foundation is of a reinforced concrete structure, the original foundation includes a first foundation portion 1, a second foundation portion 2 is arranged on the top surface of the first foundation portion, the horizontal section area of the second foundation portion is smaller than that of the first foundation portion, a supporting column 3 is arranged on the top surface of the second foundation portion, and the supporting column is of a cylindrical structure. When original basis production, first base portion, second base portion and support column integral type pouring form.
Furthermore, in order to balance the stress of the original foundation, the first foundation part, the second foundation part and the support columns are coaxially arranged.
In the embodiment, for convenience of connection of an original foundation and a reinforced foundation and batch prefabrication of the reinforced foundation, the horizontal sections of the first foundation and the second foundation are square, and the four outer side surfaces of the first foundation are completely the same in size and are respectively a first side surface 1-1, a second side surface 1-2, a third side surface 1-3 and a fourth side surface 1-4. The first side surface and the second side surface are opposite side surfaces, and the third side surface and the fourth side surface are opposite side surfaces
Since the first foundation part has four outer sides, correspondingly, four reinforcement foundations are provided.
As shown in fig. 3, the reinforced foundation is a rectangular reinforced concrete structure, and the four reinforced foundations are a first reinforced foundation 4, a second reinforced foundation 5, a third reinforced foundation 6 and a fourth reinforced foundation 7.
The method for arranging the reinforcement foundation on the periphery of the original foundation is described by taking the adjacent first reinforcement foundation and second reinforcement foundation as an example.
The first reinforced foundation and the third side face of the original foundation are arranged at an interval of 200-400mm, and the second reinforced foundation and the second side face of the original foundation are arranged at an interval of 200-400 mm.
The end face of one end of the first reinforced foundation along the length direction is flush with the first side face, the end face of the other end of the first reinforced foundation is flush with the outer side face of the second reinforced foundation, and the outer side face of the second reinforced foundation refers to the outer side face, parallel to the second side face and far away from the second side face, of the second reinforced foundation.
The same method is adopted, a first reinforcing foundation, a second reinforcing foundation, a third reinforcing foundation and a fourth reinforcing foundation are arranged, and a post-cast strip 8 is arranged between the four reinforcing foundations and the outer side surface of the first foundation part, so that the original foundation, the four reinforcing foundations and the post-cast strip form an integral new foundation.
The post-cast strip is of a concrete structure, and the concrete strength of the post-cast strip is greater than that of the reinforced foundation and the original foundation.
As shown in fig. 4, further, in order to strengthen the joint strength of the reinforced foundation and the original foundation, a plurality of second connecting steel bars 9 are arranged in the original foundation, the second connecting steel bars stretch out to the outside of the original foundation through the outer side surface of the original foundation and stretch into the post-cast strip, a plurality of first connecting steel bars 10 are arranged in the reinforced foundation, and the first connecting steel bars stretch out to the outside of the reinforced foundation and stretch into the post-cast strip to be fixedly connected with the second connecting steel bars.
In this embodiment, first connecting reinforcement and second connecting reinforcement adopt the wire ligature fixed, and is preferred, adopt the steel wire to fix first connecting reinforcement and second connecting reinforcement ligature.
In other embodiments, the first connecting reinforcement and the second connecting reinforcement are fixed using a sleeve.
The second connecting reinforcement is connected with the original foundation in a mode that a plurality of drill holes are formed in four outer side faces of the original foundation, the second connecting reinforcement is inserted into each drill hole, and the second connecting reinforcement is fixedly connected with the original foundation through an adhesive.
The foundation of this embodiment, original basis and reinforced foundation all adopt prefabrication, when reforming transform to original basis, place around it and pour the post-cast strip can, construction method is simple, construction speed is fast.
The construction method of the reinforced frame foundation of the embodiment comprises the following steps:
as shown in fig. 5, the original foundation is constructed in advance, when the original foundation cannot meet the bearing capacity requirement, soil around the original foundation is excavated to the elevation of the bottom of the original foundation, the disturbance of the foundation and the disturbance of the original foundation are avoided in the excavation process, and four outer side surfaces of the first foundation part of the original foundation are roughened.
The original foundation is chemically planted with steel bars, four outer side faces of the first foundation portion of the original foundation are drilled, holes are cleared, the second connecting steel bars are inserted into the drilled holes, and the adhesive is bonded and fixed with the first foundation portion. The grade A adhesive for the adhesive of the embedded steel bar needs to adopt a specially prepared modified epoxy resin adhesive, and the safety performance index of the adhesive strictly meets the related requirements of concrete structure reinforcement design specification 4.4. The length of the embedded steel bars is determined by calculation of a design party.
Place four reinforcement foundations in the periphery of original basis, reinforce the basis and original basis interval 200 and give first care of 400mm setting, the first connecting reinforcement that will consolidate the basis is fixed with the second connecting reinforcement ligature that original basis was implanted or fixed with the sleeve, and preferred adoption sleeve is fixed.
After the first connecting reinforcing steel bars and the second connecting reinforcing steel bars are connected, concrete is poured into a gap between the original foundation and the reinforced foundation to form a post-pouring belt, the reinforced foundation and the original foundation are connected into a whole, after the concrete curing with the post-pouring belt reaches a set strength, the construction of the reinforced framework foundation is completed, and then the foundation pit is backfilled.
Example 2
The embodiment discloses a supporting mechanism, which comprises the reinforced frame foundation described in embodiment 1, wherein a frame is fixed on the reinforced frame foundation, in this embodiment, the frame is a power transformation frame and only needs to be of an existing structure, and the specific structure of the frame is not described in detail herein.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The utility model provides a consolidate framework foundation structure, a serial communication port, including original basis, the periphery of original basis is provided with a plurality of reinforcement foundations, consolidates and is equipped with the post-cast strip between basis and the original basis, consolidates basis and original basis and passes through the post-cast strip and connect as whole, consolidates pre-buried first connecting reinforcement in the basis, and first connecting reinforcement stretches out to consolidate the basis outside and fixed with the second connecting reinforcement that original basis was planted.
2. A reinforced frame foundation structure as claimed in claim 1, wherein said existing foundation includes a first foundation portion having a top surface provided with a second foundation portion having a top surface provided with support columns.
3. A reinforced frame foundation structure as claimed in claim 2, wherein the horizontal cross-section of the first and second foundation portions is square, the first and second foundation portions and the support columns being arranged coaxially.
4. A reinforced frame foundation structure as claimed in claim 3, wherein the number of the reinforcing bases is four, the reinforcing bases are rectangular parallelepiped structures, and in two adjacent first reinforcing bases and second reinforcing bases, one end side of the first reinforcing base in the length direction is flush with a first side of the original base, the opposite side of the first side of the original base is a second side, and the other end side of the first reinforcing base is flush with an outer side of the second reinforcing base, wherein the outer side of the second reinforcing base is a side parallel to and away from the second side.
5. A reinforced frame infrastructure as claimed in claim 1 wherein said first and second connector bars are secured by wire ties.
6. A reinforced frame substructure as claimed in claim 1, wherein said first connecting reinforcement and said second connecting reinforcement are secured by means of sleeves.
7. A reinforced frame foundation structure as claimed in claim 1, wherein said existing foundation is provided with a bore hole, and said second connecting reinforcement is inserted into the bore hole and adhesively fixed to the existing foundation.
8. A reinforced frame foundation structure as claimed in claim 1, wherein the thickness of the post-cast strip is in the range of 200mm to 400 mm.
9. A reinforced frame foundation structure as claimed in claim 1, wherein the post-cast strip is of concrete construction and the post-cast strip has a concrete strength greater than the concrete strength of the original and reinforced foundations.
10. A support mechanism comprising a reinforced frame infrastructure as claimed in any one of claims 1 to 9 to which a frame is secured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202122182634.1U CN215977351U (en) | 2021-09-09 | 2021-09-09 | Reinforced framework foundation structure and supporting mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122182634.1U CN215977351U (en) | 2021-09-09 | 2021-09-09 | Reinforced framework foundation structure and supporting mechanism |
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| CN215977351U true CN215977351U (en) | 2022-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908791A (en) * | 2022-05-12 | 2022-08-16 | 山东建筑大学 | Assembled plate type foundation with splicing structure and construction process |
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2021
- 2021-09-09 CN CN202122182634.1U patent/CN215977351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908791A (en) * | 2022-05-12 | 2022-08-16 | 山东建筑大学 | Assembled plate type foundation with splicing structure and construction process |
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