CN114263206A - Fabricated concrete foundation and construction method thereof - Google Patents
Fabricated concrete foundation and construction method thereof Download PDFInfo
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- CN114263206A CN114263206A CN202111667491.1A CN202111667491A CN114263206A CN 114263206 A CN114263206 A CN 114263206A CN 202111667491 A CN202111667491 A CN 202111667491A CN 114263206 A CN114263206 A CN 114263206A
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Abstract
The invention relates to an assembled concrete foundation. Including embedding built-in fitting, last steel support post, the upper sleeve in the ground, the built-in fitting includes prefabricated reinforced concrete basis, lower steel support post, lower sleeve, and prefabricated reinforced concrete basis includes basic unit, connecting portion, and the first end of lower steel support post is pre-buried in basic unit, and connecting portion are passed to the second end of lower steel support post, and lower sleeve is preset on connecting portion. By arranging the embedded part, the embedded part can be prefabricated in a factory, mass production and manufacturing can be realized, environmental pollution can be reduced, and meanwhile, the pouring and maintenance conditions of the embedded part are not influenced by weather, so that the production efficiency can be improved; when the embedded part needs to be used, the embedded part can be transported to the site, and the upper steel bracket column and the lower steel bracket 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 steel support post and the lower steel support post to increase the joint strength of 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 assembly type concrete foundation and a construction method thereof.
Background
The foundation base refers to a load-bearing member which is in contact with the foundation at the bottom of a building or a structure, has the function of transferring the load at the upper part to the foundation, and is an important component of the building or the structure. At present, except for urban substations in large cities, most substations are arranged in an open outdoor manner, and a large number of foundation foundations are required to be arranged on a distribution device field for supporting electrical equipment on the upper portion of the outdoor open-type substation. However, in the conventional technology, a cast-in-place reinforced concrete foundation is mostly adopted, and the conventional method of the cast-in-place reinforced concrete foundation is that a construction unit processes reinforcing steel bars, forms, pours pouring materials and other construction procedures on site according to design drawings, natural condition curing is performed after pouring of the pouring materials is completed, and after the pouring materials are cured to reach the specified strength, upper supports and equipment can be installed.
However, the construction method of the current cast-in-place reinforced concrete foundation has the following problems:
1) the construction period is long. The cast-in-place reinforced concrete foundation needs to be subjected to multiple construction procedures such as steel bar manufacturing, binding, formwork erecting, pouring material pouring, pouring material curing and the like on site, the procedures are connected in a front-to-back mode, and the required construction period is long.
2) The maintenance period is long. The cast-in-place reinforced concrete foundation needs to be naturally maintained on site after pouring is completed, and about 14-21 days is needed when the pouring material reaches the mounting strength of the upper support and the equipment.
3) And the environment is polluted. The cast-in-place reinforced concrete foundation can cause certain pollution to soil and underground water in field pouring, and noise pollution can be caused during vibration.
4) The cost is high. The cast-in-place reinforced concrete foundation needs to be manufactured on site by multiple 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 this, it is necessary to provide an assembled concrete foundation which can be prefabricated in a factory, reduce environmental pollution, prevent the pouring and maintenance conditions of pouring materials from being influenced by weather, improve the quality of finished products, improve the production efficiency and greatly shorten the construction period.
An assembled concrete foundation comprising:
the embedded part is embedded into a foundation and comprises a prefabricated reinforced concrete foundation, a lower steel bracket column and a lower sleeve, the prefabricated reinforced concrete foundation comprises a base part and a connecting part which are connected, the first end of the lower steel bracket column is embedded in the base part, the second end of the lower steel bracket column penetrates through the connecting part, and the lower sleeve is pre-arranged on the connecting part;
the upper steel bracket column is connected with the second end of the upper steel bracket 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 pouring material which is connected with the prefabricated reinforced concrete foundation into a whole is arranged between the upper sleeve and the upper steel support column.
By arranging the embedded part, the embedded part can be prefabricated in a factory, mass production and manufacturing can be realized, environmental pollution can be reduced, meanwhile, the pouring and maintenance conditions of the embedded part are not influenced 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 bracket column and the lower steel bracket column are connected, so that the construction period can be 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 further consolidate last steel support post and lower steel support post, 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 part and a lower anchoring section embedded into the foundation part, the upper anchoring section is bonded and anchored with the connecting part, and the lower anchoring section is bonded and anchored with the foundation part.
In one embodiment, a pre-welding stud and a pre-welding end plate are fixedly connected to the lower anchoring section, the pre-welding end plate is fixedly connected to the end portion of the lower anchoring section, the pre-welding end plate is perpendicularly 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 convenient for hoisting are fixedly connected to the prefabricated reinforced concrete foundation.
In one embodiment, the upper steel support column is in up-and-down butt joint with the lower steel support column through a flange assembly, and the flange assembly comprises 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 matched with the first flange.
In one embodiment, a first pouring channel facilitating pouring of the pouring material is formed between the lower sleeve and the lower steel support column, the flange assembly is arranged in the upper sleeve, a second pouring channel facilitating pouring of the pouring material is formed between the flange assembly and the upper sleeve, and the first pouring channel and the second pouring channel are filled with the pouring material.
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 method for constructing a fabricated concrete foundation as described above, comprising the steps of:
embedding the embedded part into a foundation, wherein the second end of the upper steel bracket column is exposed above the foundation;
connecting the upper steel support column with the lower steel support column;
sleeving the upper sleeve at the joint between the upper steel support column and the lower steel support column, and fixedly connecting the upper sleeve with the lower sleeve;
and injecting the casting material between the upper sleeve and the upper steel bracket column, and connecting the casting material and the prefabricated reinforced concrete foundation into a whole.
In one embodiment, the ground base portion is poured with a cushion layer, the embedded part is embedded into a foundation, and the second end of the upper steel bracket column is exposed above the foundation, including: and bonding and connecting the prefabricated reinforced concrete foundation and the cushion layer.
In one embodiment, the construction method of the fabricated concrete foundation further comprises the steps of manufacturing the embedded parts:
embedding the lower steel bracket column into a preset position in a die for forming the prefabricated reinforced concrete foundation, installing the lower sleeve, and forming a first pouring channel between the lower steel bracket column and the lower sleeve;
and pouring the pouring material into the lower steel bracket column and the die for forming the prefabricated reinforced concrete foundation, pouring the pouring material into the lower sleeve through the first pouring channel, and maintaining the poured pouring material so as to ensure that the pouring material in the lower sleeve, the pouring material in the lower steel bracket column and the prefabricated reinforced concrete foundation simultaneously meet the strength requirement.
By arranging the embedded part, the embedded part can be prefabricated in a factory, mass production and manufacturing can be realized, environmental pollution can be reduced, meanwhile, the pouring and maintenance conditions of the embedded part are not influenced 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 bracket column and the lower steel bracket column are connected, so that the construction period can be 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 further consolidate last steel support post and lower steel support post, in order to increase the joint strength of last steel support post and lower steel support post. The application discloses assembled concrete foundation is applicable to multiple ground, especially natural ground and composite foundation, and is applicable to the transformer substation of newly-built, extension, reconstruction that the time limit for a project required height.
Drawings
FIG. 1 is a schematic view illustrating a structure in which a fabricated concrete foundation according to an embodiment of the present invention is installed in a foundation;
FIG. 2 is a schematic structural view of a fabricated concrete foundation according to an embodiment of the present invention;
fig. 3 is a schematic view of a connection structure of a lower steel bracket column, a lower sleeve and a prefabricated reinforced concrete foundation according to an embodiment of the present invention;
FIG. 4 is a partial top view of a fabricated concrete foundation according to an embodiment of the present invention, illustrating the structure of a second bolt hole, a pouring hole, and a lifting hole;
FIG. 5 is a flow chart illustrating a method of constructing a fabricated concrete foundation according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating a manufacturing process of an embedded part according to an embodiment of the invention.
Description of the reference numerals
10. An assembled concrete foundation; 100. mounting a steel support column; 200. a lower steel support column; 210. an upper anchoring section; 220. a lower anchoring section; 221. pre-welding studs; 222. pre-welding an end plate; 230. pouring holes; 300. prefabricating a reinforced concrete foundation; 310. a base portion; 320. a connecting portion; 330. hoisting holes; 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. pouring materials; 800. a foundation; 810. a cushion layer; 900. and (4) the ground.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" 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 as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, 2 and 3, an embodiment of the present invention relates to an assembled concrete foundation 10, and the assembled concrete foundation 10 includes an upper steel bracket column 100, a lower steel bracket column 200, a prefabricated reinforced concrete foundation 300, a lower sleeve 400 and an upper sleeve 600. The lower steel bracket column 200 is pre-embedded in the prefabricated 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 with the lower sleeve 400 by a casting material 700. And the lower sleeve 400 is connected with the upper sleeve 600.
Referring to fig. 1, 2 and 3, the prefabricated reinforced concrete foundation 300, the lower steel bracket column 200 and the lower sleeve 400 are matched with each other to form an embedded part capable of being embedded into the foundation 800. The embedments are buried below the ground 900. The prefabricated reinforced concrete foundation 300 comprises a foundation part 310 and a connecting part 320 which are connected, the first end of the lower steel bracket column 200 is embedded in the foundation part 310, the second end of the lower steel bracket column 200 penetrates through the connecting part 320, and the lower sleeve 400 is preset on the connecting part. The embedded part can be prefabricated in a factory, batch production and manufacturing can be realized, and environmental pollution caused by on-site manufacturing can be reduced. The lower sleeve 400 has a hollow structure.
The prefabricated 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 casting material 700 reaches a certain strength, the plurality of steel templates can be disassembled. The steel formworks can be spliced at will, so that the finally obtained prefabricated reinforced concrete foundation 300 is diversified. For example, a plurality of steel templates are spliced into a cube structure with an upper opening, and the finally obtained prefabricated reinforced concrete foundation 300 is a cube. The prefabricated reinforced concrete foundation 300 is maintained indoors, so that the production efficiency can be improved, the repeated utilization rate of the template is improved, and the manufacturing cost is 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 prefabricated reinforced concrete foundation 300 is manufactured, the lower sleeve 400 is welded to a foundation shell having a cavity formed by splicing a plurality of steel templates. The base portion 310 is filled with a casting material 700 in 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, a foundation shell with a cavity formed by splicing a plurality of steel templates can be dismantled. In other embodiments, the lower sleeve 400 may be fixed by other means, such as providing a fixing bracket for fixing the lower sleeve 400, and removing the fixing bracket after the casting material 700 in the lower sleeve 400 is molded.
Referring to fig. 1, 2 and 3, the lower steel bracket column 200 includes an upper anchoring section 210 protruding out of the upper surface of a foundation portion 310 and a lower anchoring section 220 embedded in the foundation portion 310. The upper anchoring section 210 is adhesively anchored with the connecting portion 320. The lower anchoring section 220 is adhesively anchored with the base 310. The lower steel bracket column 200 is a steel pipe. The lower steel support columns 200 are all hollow structures.
Before the casting material 700 is injected into the cavity-having base casing formed by splicing a plurality of steel templates, the lower anchoring section 220 is fixed inside the base casing according to the anchoring length. After the lower anchoring section 220 is fixed in position, the interior of the foundation shell is filled with the casting material 700, so that the lower anchoring section 220 is bonded and anchored with the casting material 700 of the prefabricated reinforced concrete foundation 300.
Referring to fig. 1, 2 and 3, a pre-welding stud 221 and a pre-welding end plate 222 are fixedly connected to the lower anchoring section 220. The pre-welded end plate 222 is fixedly connected to the end of the lower anchoring section 220, and the pre-welded end plate 222 is perpendicularly connected to the lower anchoring section 220. The pre-welded studs 221 are vertically welded to both sides of the lower anchoring section 220, which can increase the connection strength between the prefabricated reinforced concrete foundation 300 and the lower anchoring section 220, and thus the connection between the prefabricated reinforced concrete foundation 300 and the lower anchoring section 220 is more firm.
Referring to fig. 1 and 2, the upper steel bracket column 100 is connected with the lower steel bracket column 200 in an up-and-down butt joint manner through a flange assembly 500. The flange assembly 500 includes a first flange 510 fixedly coupled to a first end of the upper steel support column 100 and a second flange 520 fixedly coupled to a second end of the lower steel support column 200 and cooperating with the first flange 510. And the method is simple to operate, 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 column 100 is hollow.
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 column 100. A plurality of second bolt holes 530 corresponding to the first bolt holes are formed in the second flange 520 around the end of the second end of the lower steel bracket column 200, and the second bolt holes are shown in fig. 4. The first and second bolt holes 530 are the same in size and number. The first flange 510 and the second flange 520 are fixedly connected by flange bolts 540, and the flange bolts 540 pass through the first bolt holes and the second bolt holes 530.
In this embodiment, the first flange 510 is welded to the first end of the upper steel bracket post 100 and the 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 is used to reinforce the connection strength between the upper steel support column 100 and the first flange 510 and between the lower steel support column 200 and the second flange 520. To ensure a stronger connection of the upper steel bracket post 100 and the lower steel bracket post 200. The reinforcing structure 550 is made of steel bars.
Referring to fig. 1, 2 and 3, a first pouring channel for pouring a poured material 700 is formed between the lower sleeve 400 and the lower steel support pillar 200. The 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 a foundation shell with a cavity formed by splicing a plurality of steel templates, and the center of the inside of the lower steel bracket column 200, and is used for injecting a casting material 700 into the inside of the foundation shell and the inside of the lower steel bracket column 200. When the casting material 700 is poured, the casting material 700 is poured through the first casting channel and the casting hole 230, so that the casting material 700 in the lower sleeve 400, the casting material 700 in the lower steel bracket column 200 and the prefabricated reinforced concrete foundation 300 can meet the strength requirement at the same time.
Referring to fig. 1, 2 and 3, the upper sleeve 600 is fixedly connected to the lower sleeve 400. The upper sleeve 600 is sleeved at the joint between the upper steel support column 100 and the lower steel support column 200. A casting material 700 connected with the prefabricated reinforced concrete foundation 300 as a whole is arranged 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 sleeve 600 and the lower sleeve 400 are the same.
It is to be understood that, as shown in fig. 1, 2 and 3, the inner diameter of the flange assembly 500 is greater than the outer diameter of the upper and lower steel support columns 100 and 200, and the flange assembly 500 is disposed in the upper sleeve 600. A second pouring channel for pouring the casting material 700 is formed between the flange assembly 500 and the upper sleeve 600, so that the casting material 700 can be poured into the upper sleeve 600 from above the upper sleeve 600.
Referring to fig. 4, a plurality of hoisting pieces convenient for hoisting are fixedly connected to the prefabricated reinforced concrete foundation 300. In this embodiment, the sling is a hook. The prefabricated reinforced concrete foundation 300 is provided with a plurality of lifting holes 330 as shown in fig. 4, and the lifting hooks are connected in the lifting holes 330 in a threaded manner. In this embodiment, four lifting holes 330 are included and are uniformly distributed on the prefabricated reinforced concrete foundation 300. In other embodiments, the hoisting member may be pre-embedded inside the prefabricated reinforced concrete foundation 300.
The fabricated concrete foundation 10 of the present embodiment relates to a construction method during use. The method comprises the following steps:
the embedment is buried in the foundation 800 and the second end of the upper steel bracket column 100 is exposed above the foundation. A cushion layer 810 is poured at the bottom of the foundation 800, and after the cushion layer 810 meets the strength requirement, an adhesive is brushed on the upper surface of the cushion layer 810. And hoisting the embedded part, and placing the embedded part in the foundation 800 to bond the bottom of the prefabricated reinforced concrete foundation 300 with the cushion layer 810.
And after the plane position, the elevation and the installation error of the embedded part are checked to meet the requirements of a drawing and a specification, backfilling and tamping the foundation 800 according to the requirement of a designed compaction coefficient.
The method comprises the following steps of:
the lower steel bracket column 200 is buried at a predetermined position in a mold forming the prefabricated reinforced concrete foundation 300, and the lower sleeve 400 is installed. The mold for forming the prefabricated 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 column 200 and the lower sleeve 400. It should be understood that, when the lower steel bracket column 200 is embedded, the lower anchoring section 220 of the lower steel bracket column 200 is inserted into the prefabricated reinforced concrete foundation 300, and the upper anchoring section 210 of the lower steel bracket column 200 is inserted into the lower sleeve 400.
Pouring the pouring material 700 into the lower steel bracket column 200 and the mold forming the prefabricated reinforced concrete foundation 300 through the pouring hole 230, simultaneously pouring the pouring material 700 into the lower sleeve 400 through the first pouring channel, and maintaining the poured pouring material 700, so as 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 prefabricated reinforced concrete foundation simultaneously meet the strength requirement. It should be understood that the lower steel bracket column 200 is communicated with the inside of the foundation shell with a cavity formed by splicing a plurality of steel templates through the pouring hole 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 bracket column 100, and the second flange 520 is fixedly connected to the second end of the lower steel bracket column 200.
The first flange 510 is provided with a plurality of first bolt holes. The second flange 520 defines a second bolt hole 530 corresponding to the first bolt hole. The first flange 510 and the second flange 520 are fixedly connected by flange bolts 540. The flange bolts 540 are inserted through the first bolt holes and the second bolt holes 530 to fix the first flange 510 and the second flange 520.
The upper sleeve 600 is sleeved at the joint between the upper steel support column 100 and the lower steel support column 200 and is fixedly connected with the lower sleeve 400.
The casting material 700 is injected between the upper sleeve 600 and the upper steel bracket column 100, and is connected with the prefabricated reinforced concrete foundation 300 as a whole. 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 formed 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 bonded with the prefabricated reinforced concrete foundation 300.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An assembled concrete foundation, comprising:
the embedded part is embedded into a foundation and comprises a prefabricated reinforced concrete foundation, a lower steel bracket column and a lower sleeve, the prefabricated reinforced concrete foundation comprises a base part and a connecting part which are connected, the first end of the lower steel bracket column is embedded in the base part, the second end of the lower steel bracket column penetrates through the connecting part, and the lower sleeve is pre-arranged on the connecting part;
the upper steel bracket column is connected with the second end of the upper steel bracket 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 pouring material which is connected with the prefabricated 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 column comprises an upper anchoring section extending out of the upper surface of the foundation portion and a lower anchoring section embedded in the foundation portion, the upper anchoring section is adhesively anchored to the connecting portion, and the lower anchoring section is adhesively anchored to the foundation portion.
3. The fabricated concrete foundation of claim 2, wherein the lower anchoring section is fixedly connected with pre-welded studs and pre-welded end plates, the pre-welded end plates are fixedly connected with the ends of the lower anchoring section, the pre-welded end plates are vertically connected with the lower anchoring section, and the pre-welded studs are welded on two sides of the lower anchoring section.
4. The fabricated concrete foundation of claim 1, wherein a plurality of hoisting pieces convenient for hoisting are fixedly connected to the prefabricated reinforced concrete foundation.
5. The fabricated concrete foundation of claim 1, wherein the upper steel bracket column is in up-and-down butt joint with the lower steel bracket column through a flange assembly, and the flange assembly comprises a first flange fixedly connected to a first end of the upper steel bracket column and a second flange fixedly connected to a second end of the lower steel bracket column and matched with the first flange.
6. The fabricated concrete foundation of claim 5, wherein a first pouring channel for facilitating the pouring of the pouring material is arranged between the lower sleeve and the lower steel support column, the flange assembly is arranged in the upper sleeve, a second pouring channel for facilitating the pouring of the pouring material is arranged between the flange assembly and the upper sleeve, and the first pouring channel and the second pouring channel are filled with the pouring material.
7. The fabricated concrete foundation of claim 5, wherein 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.
8. A method of constructing a fabricated concrete foundation according to any one of claims 1 to 7, comprising the steps of:
embedding the embedded part into a foundation, wherein the second end of the upper steel bracket column is exposed above the foundation;
connecting the upper steel support column with the lower steel support column;
sleeving the upper sleeve at the joint between the upper steel support column and the lower steel support column, and fixedly connecting the upper sleeve with the lower sleeve;
and injecting the casting material between the upper sleeve and the upper steel bracket column, and connecting the casting material and the prefabricated reinforced concrete foundation into a whole.
9. The method of constructing an assembled concrete foundation according to claim 8, wherein the foundation base portion is cast with a cushion layer, the embedment is embedded in a foundation, and the second end of the upper steel bracket column is exposed above the foundation, including: and bonding and connecting the prefabricated reinforced concrete foundation and the cushion layer.
10. The method of constructing an assembled concrete foundation according to claim 8, further comprising the step of fabricating the embedment:
embedding the lower steel bracket column into a preset position in a die for forming the prefabricated reinforced concrete foundation, installing the lower sleeve, and forming a first pouring channel between the lower steel bracket column and the lower sleeve;
and pouring the pouring material into the lower steel bracket column and the die for forming the prefabricated reinforced concrete foundation, pouring the pouring material into the lower sleeve through the first pouring channel, and maintaining the poured pouring material so as to ensure that the pouring material in the lower sleeve, the pouring material in the lower steel bracket column and the prefabricated reinforced concrete foundation simultaneously meet the strength requirement.
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| CN115125980A (en) * | 2022-07-26 | 2022-09-30 | 高松 | Mold for assembly type foundation device and molding process |
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| 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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| EP1849920A2 (en) * | 2006-04-30 | 2007-10-31 | General Electric Company | Tower adapter, method of producing a tower foundation and tower foundation |
| WO2017106959A1 (en) * | 2015-12-23 | 2017-06-29 | 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 |
| CN108374489A (en) * | 2018-05-04 | 2018-08-07 | 中国建筑股份有限公司 | A kind of assembly concrete foot joint structure and its construction method |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115125980A (en) * | 2022-07-26 | 2022-09-30 | 高松 | Mold for assembly type foundation device and molding process |
| CN115125980B (en) * | 2022-07-26 | 2023-09-26 | 高松 | Mold for assembled foundation device and molding process |
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| Publication number | Publication date |
|---|---|
| CN114263206B (en) | 2023-07-25 |
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