CN114263206B - Assembled concrete foundation and construction method thereof - Google Patents
Assembled concrete foundation and construction method thereof Download PDFInfo
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- CN114263206B CN114263206B CN202111667491.1A CN202111667491A CN114263206B CN 114263206 B CN114263206 B CN 114263206B CN 202111667491 A CN202111667491 A CN 202111667491A CN 114263206 B CN114263206 B CN 114263206B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention relates to an assembled concrete foundation. Including imbedding in the foundation, go up steel support post, go up the sleeve, the imbedding includes prefabricated reinforced concrete basis, lower steel support post, lower sleeve, and prefabricated reinforced concrete basis includes basis portion, connecting portion, and lower steel support post's first end is pre-buried in basis portion, and lower steel support post's second end passes connecting portion, and lower sleeve is preset on connecting portion. According to the method, the embedded part is arranged, the embedded part can be prefabricated in a factory, batch production and manufacturing can be realized, environmental pollution can be reduced, meanwhile, the casting and maintenance conditions of the embedded part are not affected by weather, and the production efficiency can be improved; when the embedded part is required to be used, the embedded part can be transported to the site and the upper steel support column and the lower steel support column are connected, so that the construction period is greatly shortened; through setting up the sleeve, and go up the sleeve cover and locate the junction between last steel support post and the lower steel support post to increase the joint strength of last steel support post and lower steel support post.
Description
Technical Field
The invention relates to the technical field of foundation foundations, in particular to an assembled concrete foundation and a construction method thereof.
Background
The foundation refers to a bearing member which is contacted with the foundation at the bottom of a building or a structure, and the bearing member has the function of transmitting the load of the upper part to the foundation and is an important component of the building or the structure. Currently, most substations, except urban substations in large cities, are arranged in an outdoor open type, and a large number of foundation foundations are required to be arranged on distribution equipment sites for supporting upper electric equipment. However, in the conventional technology, a cast-in-situ reinforced concrete foundation is mostly adopted, and the cast-in-situ reinforced concrete foundation is conventionally manufactured by a construction unit according to a design drawing through a plurality of construction procedures such as processing reinforcing steel bars, manufacturing templates, pouring casting materials and the like on site, performing natural condition maintenance after the casting materials are poured, and performing upper support and equipment installation after the casting materials reach a specified strength.
However, the current construction method of the cast-in-situ reinforced concrete foundation has the following problems:
1) The construction period is long. The cast-in-situ reinforced concrete foundation needs a plurality of construction procedures such as reinforcement manufacturing, binding, formwork supporting, pouring of pouring materials, curing of pouring materials and the like, the procedures are connected before and after, and the required construction period is long.
2) The curing period is long. The cast-in-situ reinforced concrete foundation needs to be naturally maintained on site after the casting is completed, and the required time for the casting material to reach the installation strength of the upper bracket and the equipment is about 14-21 days.
3) And pollute the environment. The cast-in-situ reinforced concrete foundation can cause certain pollution to soil and underground water in the on-site casting process, and noise pollution can be caused during vibration.
4) The cost is high. The cast-in-situ reinforced concrete foundation needs to be manufactured on site by multiple kinds of technical workers, the utilization efficiency of the template is low, and the labor cost and the material cost are high.
Disclosure of Invention
Based on the above, it is necessary to provide an assembled concrete foundation which can perform prefabrication in a factory, reduce environmental pollution, prevent the pouring and maintenance conditions of a pouring material from being affected by weather, improve the quality of finished products, improve the production efficiency and greatly shorten the construction period.
A fabricated concrete foundation comprising:
the embedded part comprises a prefabricated reinforced concrete foundation, a lower steel support column and a lower sleeve, wherein the prefabricated reinforced concrete foundation comprises a foundation part and a connecting part which are connected, a first end of the lower steel support column is embedded in the foundation part, a second end of the lower steel support column penetrates through the connecting part, and the lower sleeve is preset on the connecting part;
the upper steel support column is connected with the second end of the lower steel support column;
the upper sleeve is fixedly connected with the lower sleeve, the upper sleeve is sleeved at the joint between the upper steel support column and the lower steel support column, and a casting material which is connected with the precast reinforced concrete foundation into a whole is arranged between the upper sleeve and the upper steel support column.
Through setting up the built-in fitting, the built-in fitting can be prefabricated in the mill to can realize batch production and preparation, can reduce environmental pollution, simultaneously, the pouring and the maintenance condition of built-in fitting are not influenced by weather, and finished product quality is higher, can improve production efficiency; when the embedded part is required to be used, the embedded part can be transported to the site and the upper steel support column and the lower steel support column are connected, so that the construction period can be greatly shortened; through setting up the sleeve, and go up the junction between sleeve cover and locating last steel support post and the lower steel support post to go up steel support post and lower steel support post and carry out further reinforcement, in order to increase the joint strength of last steel support post and lower steel support post.
In one embodiment, the lower steel bracket column comprises an upper anchoring section extending out of the upper surface of the foundation portion and a lower anchoring section pre-embedded in the foundation portion, the upper anchoring section being adhesively anchored with the connection portion, the lower anchoring section being adhesively anchored with the foundation portion.
In one embodiment, the lower anchoring section is fixedly connected with a pre-welding stud and a pre-welding end plate, the pre-welding end plate is fixedly connected to the end part of the lower anchoring section, the pre-welding end plate is vertically connected with the lower anchoring section, and the pre-welding stud is welded to two sides of the lower anchoring section.
In one embodiment, a plurality of hoisting pieces which are convenient to hoist are fixedly connected on the precast reinforced concrete foundation.
In one embodiment, the upper steel support column is in up-down butt joint with the lower steel support column through a flange assembly, and the flange assembly comprises a first flange fixedly connected to the first end of the upper steel support column and a second flange fixedly connected to the second end of the lower steel support column and matched with the first flange.
In one embodiment, a first pouring channel for facilitating pouring of the pouring material is arranged between the lower sleeve and the lower steel bracket column, the flange component is arranged in the upper sleeve, a second pouring channel for facilitating pouring of the pouring material is arranged between the flange component and the upper sleeve, and the pouring material is filled in the first pouring channel and the second pouring channel.
In one embodiment, the second flange is provided with a pouring hole, and the pouring hole is communicated with the inside and the outside of the lower steel bracket column.
Another object of the present invention is to provide a construction method of the above fabricated concrete foundation, comprising the steps of:
burying the embedded part into a foundation, wherein the second end of the lower steel support column is exposed above the foundation;
connecting the upper steel support column with the lower steel support column;
the upper sleeve is sleeved at the joint between the upper steel support column and the lower steel support column and is fixedly connected with the lower sleeve;
and pouring the casting material between the upper sleeve and the upper steel bracket column, and connecting the casting material with the precast reinforced concrete foundation into a whole.
In one embodiment, a cushion layer is poured at the bottom of the foundation, the embedded part is embedded into the foundation, the second end of the lower steel support column is exposed above the foundation, and the method comprises the following steps: and bonding and connecting the precast reinforced concrete foundation with the cushion layer.
In one embodiment, the construction method of the fabricated concrete foundation further includes the step of manufacturing the embedded part:
embedding the lower steel support column into a preset position in a mould for forming the precast reinforced concrete foundation, and installing the lower sleeve, wherein a first pouring channel is formed between the lower steel support column and the lower sleeve;
and pouring the pouring material into the lower steel support column and the die for forming the precast reinforced concrete foundation, and simultaneously pouring the pouring material into the lower sleeve through the first pouring channel, and curing the poured pouring material so as to ensure that the pouring material in the lower sleeve, the pouring material in the lower steel support column and the foundation part simultaneously meet the strength requirement.
According to the scheme, the embedded part is arranged, so that the embedded part can be prefabricated in a factory, mass production and manufacturing can be realized, environmental pollution can be reduced, meanwhile, the casting and maintenance conditions of the embedded part are not affected by weather, the quality of a finished product is higher, and the production efficiency can be improved; when the embedded part is required to be used, the embedded part can be transported to the site and the upper steel support column and the lower steel support column are connected, so that the construction period can be greatly shortened; through setting up the sleeve, and go up the junction between sleeve cover and locating last steel support post and the lower steel support post to go up steel support post and lower steel support post and carry out further reinforcement, in order to increase the joint strength of last steel support post and lower steel support post. The assembled concrete foundation is suitable for various foundations, especially natural foundations and composite foundations, and is suitable for newly-built, expanded and rebuilt substations with high requirements on construction periods.
Drawings
FIG. 1 is a schematic view of an assembled concrete foundation installed in a foundation according to an embodiment of the present invention;
FIG. 2 is a schematic view of an assembled concrete foundation according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the connection structure of a lower steel support column, a lower sleeve and a precast reinforced concrete foundation according to an embodiment of the present invention;
FIG. 4 is a partial top view block diagram of an assembled concrete foundation according to one embodiment of the invention, showing the construction of the second bolt holes, casting holes and lifting holes;
FIG. 5 is a flow chart of a method of constructing an assembled concrete foundation according to one embodiment of the present invention;
fig. 6 is a flow chart of the manufacture of the embedded part according to an embodiment of the invention.
Description of the reference numerals
10. An assembled concrete foundation; 100. loading steel support columns; 200. a lower steel support column; 210. an upper anchor section; 220. a lower anchor section; 221. pre-welding the stud; 222. pre-welding end plates; 230. pouring holes; 300. prefabricating a reinforced concrete foundation; 310. a base portion; 320. a connection part; 330. a hoisting hole; 400. a lower sleeve; 500. a flange assembly; 510. a first flange; 520. a second flange; 530. a second bolt hole; 540. a flange bolt; 550. a reinforcing structure; 600. an upper sleeve; 700. casting materials; 800. a foundation; 810. a cushion layer; 900. ground surface.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1, 2 and 3, an embodiment of the present invention relates to a fabricated concrete foundation 10, and the fabricated concrete foundation 10 includes an upper steel support column 100, a lower steel support column 200, a prefabricated reinforced concrete foundation 300, a lower sleeve 400 and an upper sleeve 600. The lower steel support column 200 is pre-buried in the precast reinforced concrete foundation 300. The upper steel bracket column 100 is connected with the lower steel bracket column 200. The upper steel bracket post 100 is connected to the upper sleeve 600 by a casting material 700. The lower steel bracket post 200 is connected to the lower sleeve 400 by a casting material 700. And the lower sleeve 400 is coupled with the upper sleeve 600.
Referring to fig. 1, 2 and 3, the precast reinforced concrete foundation 300, the lower steel support column 200 and the lower sleeve 400 are matched with each other to form an embedded part which can be embedded in the foundation 800. The embedment is buried below the ground 900. The precast reinforced concrete foundation 300 includes a base portion 310, a connection portion 320, which are connected, a first end of the lower steel support column 200 is pre-buried in the base portion 310, a second end of the lower steel support column 200 passes through the connection portion 320, and a lower sleeve 400 is pre-set on the connection portion. The embedded part can be prefabricated in a factory, can realize batch production and manufacturing, and can reduce environmental pollution caused by on-site manufacturing. The lower sleeve 400 is hollow.
The precast reinforced concrete foundation 300 is formed by splicing a plurality of steel forms and injecting a casting material 700 into the interior of a foundation shell having a cavity formed by splicing the plurality of steel forms. After the castable 700 reaches a certain strength, the steel forms can be disassembled. Several steel forms may be spliced arbitrarily to diversify the resulting precast reinforced concrete foundation 300. For example, several steel forms are spliced into a square structure with an upper opening, and the resulting precast reinforced concrete foundation 300 is square. The prefabricated reinforced concrete foundation 300 is maintained indoors, so that the production efficiency can be improved, the formwork recycling rate can be improved, and the manufacturing cost can be reduced. The casting material 700 is one of cement, mortar and concrete. In this embodiment, concrete is used as the casting material 700.
In this embodiment, when the precast reinforced concrete foundation 300 is manufactured, the lower sleeve 400 is welded to a foundation case having a cavity formed by splicing a plurality of steel forms. The base portion 310 is a casting material 700 filling the cavity of the base housing. The connection portion 320 is a casting material 700 filled in the lower sleeve 400. The base portion 310 and the connecting portion 320 are integrally formed. After the prefabricated reinforced concrete foundation 300 is formed, the foundation shell with the cavity formed by splicing the steel templates can be removed. In other embodiments, the lower sleeve 400 is fixed by other embodiments, for example, a fixing bracket for fixing the lower sleeve 400 is provided, and after the casting material 700 in the lower sleeve 400 is molded, the fixing bracket can be removed.
Referring to fig. 1, 2 and 3, the lower steel bracket column 200 includes an upper anchor section 210 protruding from an upper surface of the base portion 310 and a lower anchor section 220 embedded in the base portion 310. The upper anchor section 210 is adhesively anchored to the connection 320. The lower anchor segment 220 is adhesively anchored to the base 310. The lower steel support column 200 is a steel pipe. The lower steel support columns 200 are hollow structures.
The lower anchor segment 220 is fixed inside the foundation shell according to the anchoring length before pouring the casting material 700 into the foundation shell with the cavity formed by splicing the plurality of steel templates. After the lower anchor segment 220 is fixed in place, the interior of the foundation shell is filled with a casting material 700, thereby adhesively anchoring the lower anchor segment 220 to the casting material 700 of the precast reinforced concrete foundation 300.
Referring to fig. 1, 2 and 3, the lower anchor section 220 is fixedly connected with pre-welded studs 221 and pre-welded end plates 222. The pre-welded end plate 222 is fixedly connected to an end of the lower anchor section 220, and the pre-welded end plate 222 is vertically connected to the lower anchor section 220. The pre-welded studs 221 are vertically welded to both sides of the lower anchor section 220, so that the connection strength of the precast reinforced concrete foundation 300 and the lower anchor section 220 can be increased, and the connection of the precast reinforced concrete foundation 300 and the lower anchor section 220 can be made stronger.
Referring to fig. 1 and 2, the upper steel bracket column 100 is butt-connected up and down with the lower steel bracket column 200 by a flange assembly 500. The flange assembly 500 includes a first flange 510 fixedly coupled to a first end of the upper steel leg 100 and a second flange 520 fixedly coupled to a second end of the lower steel leg 200, and cooperating with the first flange 510. And the operation is simple, the construction time can be greatly reduced, and the construction efficiency is improved. The upper steel support columns 100 are all made of steel pipes. The upper steel support columns 100 are hollow structures.
A plurality of first bolt holes are formed in the first flange 510 around the end of the first end of the upper steel bracket post 100. A plurality of second bolt holes 530, which are provided corresponding to the first bolt holes, are provided on the second flange 520 around the end of the second end of the lower steel bracket column 200, as shown in fig. 4. The first and second bolt holes 530 are all the same size and number. The first flange 510 and the second flange 520 are fixedly connected through flange bolts 540, and the flange bolts 540 penetrate through the first bolt holes and the second bolt holes 530.
In this embodiment, a first flange 510 is welded to the first end of the upper steel bracket post 100 and a second flange 520 is welded to the first end of the lower steel bracket post 200. And a plurality of triangular reinforcing structures 550 as shown in fig. 1, 2 and 3 are connected around the first flange 510 and the second flange 520. A first side of the reinforcing structure 550 is welded to the first flange 510 and a second side of the reinforcing structure 550 is welded to the upper steel bracket post 100. A first side of the reinforcing structure 550 is welded to the second flange 520 and a second side of the reinforcing structure 550 is welded to the lower steel bracket post 200. The reinforcing structure 550 serves to reinforce the connection strength of the upper steel bracket column 100 with the first flange 510 and the lower steel bracket column 200 with the second flange 520. To ensure a stronger connection of the upper steel bracket post 100 with the lower steel bracket post 200. Reinforcing structure 550 is reinforced with steel bars.
Referring to fig. 1, 2 and 3, a first pouring channel is provided between the lower sleeve 400 and the lower steel bracket post 200 to facilitate the pouring of the poured material 700. Casting material 700 is injected into the lower sleeve 400 through the first casting channel. Referring to fig. 4, a casting hole 230 is formed in the second flange 520, and the casting hole 230 is communicated with the outside, the inside of the foundation shell with a cavity formed by splicing a plurality of steel templates, and the inside center of the lower steel support column 200, so as to inject the casting material 700 into the inside of the foundation shell and the inside of the lower steel support column 200. When the casting material 700 is injected, the casting material 700 in the lower sleeve 400, the casting material 700 in the lower steel bracket column 200 and the precast reinforced concrete foundation 300 simultaneously meet the strength requirement by casting through the first casting channel and the casting hole 230.
Referring to fig. 1, 2 and 3, the upper sleeve 600 is fixedly coupled with the lower sleeve 400. The upper sleeve 600 is sleeved at the junction between the upper steel bracket column 100 and the lower steel bracket column 200. A casting material 700 integrally connected with the precast reinforced concrete foundation 300 is provided between the upper sleeve 600 and the upper steel bracket column 100. In this embodiment, the upper sleeve 600 is welded to the lower sleeve 400. And the inner and outer diameters of the upper and lower sleeves 600 and 400 are the same.
It should be understood that, as shown in fig. 1, 2 and 3, the inner diameter of the flange assembly 500 is larger than the outer diameters of the upper and lower steel bracket posts 100 and 200, and the flange assembly 500 is disposed in the upper sleeve 600. A second pouring channel for pouring the pouring material 700 is provided between the flange assembly 500 and the upper sleeve 600 so that the pouring material 700 can be poured into the upper sleeve 600 from above the upper sleeve 600.
Referring to fig. 4, a plurality of hanging pieces for easy lifting are fixedly connected to the precast reinforced concrete foundation 300. In this embodiment, the lifting member is a hook. The precast reinforced concrete foundation 300 is provided with a plurality of lifting holes 330 as shown in fig. 4, and the lifting hooks are in threaded connection with the lifting holes 330. In this embodiment, the lifting holes 330 include four holes and are uniformly distributed on the precast reinforced concrete foundation 300. In other embodiments, the sling may be pre-embedded within the precast reinforced concrete foundation 300.
The fabricated concrete foundation 10 according to the present embodiment relates to a construction method during use. The method comprises the following steps:
the embedment is embedded into the foundation 800 with the second end of the lower steel leg post 200 exposed above the foundation. A cushion 810 is poured at the bottom of the foundation 800, and after the cushion 810 meets the strength requirement, an adhesive is brushed on the upper surface of the cushion 810. The embedded part is lifted and placed in the foundation 800, so that the bottom of the precast reinforced concrete foundation 300 is bonded with the cushion 810.
And after the plane position, elevation and installation error of the embedded part are checked to meet the requirements of the drawing and the specification, backfilling and tamping are carried out on the foundation 800 according to the requirements of the designed compaction coefficient.
Wherein, the step of making the embedded part is:
the lower steel bracket column 200 is buried in a predetermined position within a mold forming the precast reinforced concrete foundation 300, and the lower sleeve 400 is installed. The mold forming the precast reinforced concrete foundation 300 is a foundation shell with a cavity formed by splicing a plurality of steel templates. A first pouring channel is formed between the lower steel bracket post 200 and the lower sleeve 400. It should be understood that when the lower steel support column 200 is buried, the lower anchoring section 220 of the lower steel support column 200 is extended into the interior of the precast reinforced concrete foundation 300, and the upper anchoring section 210 of the lower steel support column 200 is extended into the interior of the lower sleeve 400.
Pouring the pouring material 700 into the lower steel bracket column 200 and the mold for forming the precast reinforced concrete foundation 300 through the pouring holes 230, simultaneously pouring the pouring material 700 into the lower sleeve 400 through the first pouring channel, and curing the poured pouring material 700 to ensure that the pouring material 700 in the lower sleeve 400, the pouring material 700 in the lower steel bracket column 200 and the foundation part 310 meet the strength requirement at the same time. It should be understood that the lower steel support column 200 is connected to the interior of the foundation shell with the cavity formed by splicing the plurality of steel templates through the casting holes 230.
The upper steel bracket column 100 is connected with the lower steel bracket column 200. Wherein the lower steel bracket column 200 is connected with the upper steel bracket column 100 through the flange assembly 500. Wherein, the first flange 510 is fixedly connected to the first end of the upper steel support column 100, and the second flange 520 is fixedly connected to the second end of the lower steel support column 200.
The first flange 510 is provided with a plurality of first bolt holes. The second flange 520 is provided with second bolt holes 530 provided corresponding to the first bolt holes. The first flange 510 and the second flange 520 are fixedly connected by flange bolts 540. The flange bolts 540 penetrate through the first and second bolt holes 530 to fix the first and second flanges 510 and 520.
The upper sleeve 600 is sleeved at the junction between the upper steel bracket column 100 and the lower steel bracket column 200 and is fixedly connected with the lower sleeve 400.
The upper sleeve 600 is injected with a casting material 700 between the upper steel bracket column 100 and is integrally connected with the precast reinforced concrete foundation 300. Wherein a gap is provided between the flange assembly 500 and the upper sleeve 600. A second pouring channel for pouring the pouring material 700 is provided between the upper sleeve 600 and the upper steel bracket column 100 so that the pouring material 700 can be poured into the upper sleeve 600 from above the upper sleeve 600 and can be adhered to the precast reinforced concrete foundation 300.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A fabricated concrete foundation comprising:
the embedded part comprises a prefabricated reinforced concrete foundation, a lower steel support column and a lower sleeve, wherein the prefabricated reinforced concrete foundation comprises a foundation part and a connecting part which are connected, a first end of the lower steel support column is embedded in the foundation part, a second end of the lower steel support column penetrates through the connecting part, and the lower sleeve is preset on the connecting part;
the upper steel support column is connected with the second end of the lower steel support column;
the upper sleeve is fixedly connected with the lower sleeve, the upper sleeve is sleeved at the joint between the upper steel support column and the lower steel support column, and a casting material which is connected with the precast reinforced concrete foundation into a whole is arranged between the upper sleeve and the upper steel support column.
2. The fabricated concrete foundation of claim 1, wherein the lower steel bracket post comprises an upper anchor section extending beyond the upper surface of the foundation portion and a lower anchor section pre-embedded in the foundation portion, the upper anchor section being adhesively anchored to the connection portion, the lower anchor section being adhesively anchored to the foundation portion.
3. The fabricated concrete foundation of claim 2, wherein the lower anchor section is fixedly connected with pre-welded studs and pre-welded end plates, the pre-welded end plates are fixedly connected to the ends of the lower anchor section, the pre-welded end plates are vertically connected with the lower anchor section, and the pre-welded studs are welded to two sides of the lower anchor section.
4. The fabricated concrete foundation of claim 1, wherein a plurality of lifting elements for facilitating lifting are fixedly connected to the prefabricated reinforced concrete foundation.
5. The fabricated concrete foundation of claim 1, wherein the upper steel support column is in up-down butt joint with the lower steel support column through a flange assembly, the flange assembly comprising a first flange fixedly connected to a first end of the upper steel support column and a second flange fixedly connected to a second end of the lower steel support column and mutually mated with the first flange.
6. The fabricated concrete foundation of claim 5, wherein a first pouring channel is provided between the lower sleeve and the lower steel bracket column for facilitating the pouring of the pouring material, the flange assembly is disposed in the upper sleeve, a second pouring channel is provided between the flange assembly and the upper sleeve for facilitating the pouring of the pouring material, and the pouring material is filled in both the first pouring channel and the second pouring channel.
7. The fabricated concrete foundation of claim 5, wherein the second flange is provided with casting holes, and the casting holes are communicated with the inside and the outside of the lower steel bracket column.
8. A method of constructing a fabricated concrete foundation according to any one of claims 1 to 7, comprising the steps of:
burying the embedded part into a foundation, wherein the second end of the lower steel support column is exposed above the foundation;
connecting the upper steel support column with the lower steel support column;
the upper sleeve is sleeved at the joint between the upper steel support column and the lower steel support column and is fixedly connected with the lower sleeve;
and pouring the casting material between the upper sleeve and the upper steel bracket column, and connecting the casting material with the precast reinforced concrete foundation into a whole.
9. The method of constructing a fabricated concrete foundation of claim 8, wherein the foundation bottom is poured with a cushion layer, the embedded part is embedded into the foundation, and the second end of the lower steel support column is exposed above the foundation, comprising: and bonding and connecting the precast reinforced concrete foundation with the cushion layer.
10. The method of constructing a fabricated concrete foundation of claim 8, further comprising the step of making the embedment:
embedding the lower steel support column into a preset position in a mould for forming the precast reinforced concrete foundation, and installing the lower sleeve, wherein a first pouring channel is formed between the lower steel support column and the lower sleeve;
and pouring the pouring material into the lower steel support column and the die for forming the precast reinforced concrete foundation, and simultaneously pouring the pouring material into the lower sleeve through the first pouring channel, and curing the poured pouring material so as to ensure that the pouring material in the lower sleeve, the pouring material in the lower steel support column and the foundation part simultaneously meet the strength requirement.
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| CN202111667491.1A CN114263206B (en) | 2021-12-30 | 2021-12-30 | Assembled concrete foundation and construction method thereof |
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| CN202111667491.1A CN114263206B (en) | 2021-12-30 | 2021-12-30 | Assembled concrete foundation and construction method thereof |
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| US8051627B2 (en) * | 2006-04-30 | 2011-11-08 | General Electric Company | Tower adapter, method of producing a tower foundation and tower foundation |
| CA2916228C (en) * | 2015-12-23 | 2019-02-26 | 649119 N.B. Inc. | Pre-cast concrete foundation of modular construction for telecommunication or wind turbine tower |
| CN107299641A (en) * | 2017-06-02 | 2017-10-27 | 中国建筑股份有限公司 | A kind of assembled heel join node and its construction method |
| CN108374489B (en) * | 2018-05-04 | 2023-07-21 | 中国建筑股份有限公司 | Assembled concrete column foot joint structure and construction method thereof |
| CN209163217U (en) * | 2018-10-31 | 2019-07-26 | 吉林省建苑设计集团有限公司 | Exposed Prefabricated concrete-filled steel tube column and foundation connection structure |
| CN210151772U (en) * | 2018-12-29 | 2020-03-17 | 中工国际工程股份有限公司 | Precast concrete assembled foundation for power transmission line |
| CN214940350U (en) * | 2021-06-29 | 2021-11-30 | 国网山西省电力公司长治供电公司 | Prefabricated assembled basis of lightning rod |
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2021
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