CN106638650B - Fabricated concrete foundation structure - Google Patents
Fabricated concrete foundation structure Download PDFInfo
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- CN106638650B CN106638650B CN201510741213.4A CN201510741213A CN106638650B CN 106638650 B CN106638650 B CN 106638650B CN 201510741213 A CN201510741213 A CN 201510741213A CN 106638650 B CN106638650 B CN 106638650B
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Abstract
The invention provides an assembled concrete foundation structure which comprises a prefabricated first foundation beam, a steel column, a fastener group and an independent foundation, wherein the prefabricated first foundation beam is provided with a first steel column; the fastener group is provided with a fastener; the fastener is provided with a fastener bolt; the fastener surrounds the first foundation beam, and a fastener bolt passes through the steel column and is fixed through a fastener nut; the independent foundation comprises an anchor bolt; the anchor bolt penetrates through the fastener and is fixed through the nut. The method has the advantages that all the basic dimensions in the system adopt standard modulus, the production can be carried out in advance, the basic specification and the number can be directly selected according to the actual bearing capacity of the foundation when the method is used for engineering, and the field construction period is greatly shortened. Meanwhile, the concrete foundation beam in the system can be produced in advance, embedded parts and the like do not need to be arranged according to the position of the steel column in actual engineering, and the system is convenient and fast.
Description
Technical Field
The invention relates to an assembled concrete foundation structure, in particular to an assembled independent foundation structure.
Background
With the development and the perfection of the assembly type technology, more and more buildings adopt assembly type structure systems, and the construction period is greatly shortened. However, the existing assembly technology is limited to above-ground buildings, and the foundation of underground parts and the like has no mature assembly technology. The underground part becomes the bottleneck of the whole assembly system, and the construction period of the assembly structure is severely limited.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an assembled independent foundation structure, which can realize interconnection of a prefabricated foundation, a prefabricated foundation beam, a steel column, etc. under various common conditions, so as to supplement the vacancy in the prior art.
The invention provides an assembly type concrete foundation structure, which is characterized in that: the device comprises a prefabricated first foundation beam, a steel column, a fastener group and an independent foundation; the fastener group is provided with a fastener; the fastener is provided with a fastener bolt; the fastener surrounds the first foundation beam, and a fastener bolt passes through the steel column and is fixed through a fastener nut; the independent foundation comprises an anchor bolt; the anchor bolt penetrates through the fastener and is fixed through the nut.
The present invention provides a fabricated concrete substructure, which may also have the following features: the steel column has a column bottom plate through which the fastener bolt passes.
The present invention provides a fabricated concrete substructure, which may also have the following features: the anchor bolt is provided with an upper nut and a lower nut; the fastener group is provided with a supporting structure; the supporting structure is arranged between the fastener and the independent foundation; the lower nut is arranged below the supporting structure, and the upper nut is arranged above the fastener.
The present invention provides a fabricated concrete substructure, which may also have the following features: a leveling space is reserved between the foundation beam and the top surface of the independent foundation, and after the installation is finished, a non-shrinkage material is arranged in the leveling space; and the steel column and the foundation beam are installed in a clearance, and after the installation is finished, a non-shrinkage material is arranged in the clearance.
The present invention provides a fabricated concrete substructure, which may also have the following features: the prefabricated second foundation beam is vertical to the first foundation beam; and the end part of the second foundation beam is provided with a reserved steel bar, and the gap of the end part is filled with concrete after the foundation beam is leveled.
The present invention provides a fabricated concrete substructure, which may also have the following features: the fabricated concrete foundation structure has no independent foundation below the steel column.
Advantageous effects of the invention
All independent foundation sizes in the structure adopt standard modulus, can be produced in advance, and the size and the number of independent foundations can be directly selected according to actual foundation bearing capacity when the structure is used for engineering, so that the production period is greatly shortened. Meanwhile, the concrete foundation beam in the structure can be produced in advance, embedded parts and the like do not need to be arranged according to the position of a steel column in actual engineering, and the concrete foundation beam is convenient and fast to use.
Drawings
Fig. 1 is a schematic view of a fabricated concrete foundation structure according to the first embodiment.
Fig. 2 is a partially enlarged view of fig. 3.
Fig. 3 is a schematic view of the fabricated concrete foundation structure of the second embodiment.
Fig. 4 is a partially enlarged view of fig. 5.
Fig. 5 is a schematic view of the fabricated concrete foundation structure of the third embodiment.
Fig. 6 is a partially enlarged view of fig. 1.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Example one
Fig. 1 is a schematic view of a fabricated concrete foundation structure according to the first embodiment.
Fig. 2 is a partially enlarged view of fig. 3.
As shown in fig. 1 and 2, the present embodiment is a one-way fabricated concrete foundation structure, including: the independent foundation 10, the prefabricated first foundation beam 20, the steel column 30 and the fastening assembly group 40.
The steel column 30 has a column bottom plate 30-1. The fastener set 40 has a U-shaped fastener 43, and the fastener 43 has a fastener bolt 43-1.
The fastener 43 encircles the foundation beam 20, and the fastener bolt 43-1 penetrates through the column bottom plate 30-1 of the steel column and is fixed through the fastener nut.
The independent foundation 10 includes an anchor 41. The anchor 41 is provided with an upper nut 41-1 and a lower nut 41-2.
Fastener set 40 has a support structure 42. The support structure 42 is disposed between the fastener 43 and the independent foundation 10.
The lower nut 41-2 is disposed below the support structure 42 and the upper nut 41-1 is disposed above the fastener.
A leveling space is reserved between the foundation beam 20 and the top surface of the independent foundation 10, and after the installation is finished, non-shrinkage materials are arranged in the leveling space.
The steel column 30 and the foundation beam 20 are installed in a gap, and after installation, no shrinkage material is arranged in the gap.
Local galling treatment is carried out when the top surface of the prefabricated foundation beam 20 below the column bottom plate 30-1 is installed on site; the column bottom plate 30-1 is provided with shear keys on the ground, and after the installation of the gap between each column bottom plate 30-1 and the prefabricated foundation beam 20 is finished, no shrinkage material is filled.
Example two
Fig. 3 is a schematic view of the fabricated concrete foundation structure of the third embodiment.
Fig. 4 is a partially enlarged view of fig. 3.
As shown in fig. 3 and 4, the present embodiment is a bidirectional assembly type concrete foundation structure, including: the prefabricated first foundation beam 20, the prefabricated second foundation beam 20-1, the steel columns 30 and the fastening assembly group 40.
The structure of the present embodiment is the same as that of the present embodiment except for the structure and connection of the first foundation beam 20 and the second foundation beam 20-1, and the description will not be repeated.
And a second foundation beam 20-1 perpendicular to the first foundation beam 20.
The end of the second foundation beam 20-1 is provided with a reserved steel bar 43-2. The foundation beams 20, 20-1 rest on the support structure 42 and after leveling the end gaps are filled with concrete.
Assembling the fabricated concrete foundation structure:
the first foundation beam 20, the second foundation beam 20-1 and the independent foundation 10 are cast with concrete in a factory, and the anchor bolts 41 are pre-embedded in the independent foundation 20. The fastener bolt 43-1 is welded to the U-shaped fastener 43 in advance at the factory.
On site, the independent foundation is firstly installed for assembly. The first foundation beam 20 of concrete is installed again, an adjusting lower nut 41-2 is screwed on each anchor bolt 41, then the supporting structure 42 is installed to the anchor bolts 41, then the first foundation beam 20 of concrete is placed on the upper surface of the supporting structure 42 and the concrete foundation beam is adjusted to a designated height by the adjusting nut and is adjusted to be horizontal, a U-shaped fastener 43 is installed, and finally the U-shaped fastener is locked with each anchor bolt 41 by the upper nut 41-1.
If the top surface of the independent foundation has the first foundation beam 20 and the second foundation beam 20-1 orthogonal to each other, the gap between the beam ends is filled with concrete after the foundation beams 20, 20-1 are placed on the support structure 42 and both are leveled.
When installing the steel columns on the top surfaces of the independent foundations, the steel columns 30 of the 30-1 with the column bottom plates are directly locked by the fasteners 43-1.
After the concrete beam 20, the steel column 50 and the independent foundation 10 are installed, the space from the top surface of the independent foundation to the bottom surface of the concrete beam is filled with a non-shrink material, and the space between the concrete beam and the steel column bottom plate is filled.
EXAMPLE III
Fig. 5 is a schematic view of the fabricated concrete foundation structure of the third embodiment.
Fig. 6 is a partially enlarged view of fig. 1.
As shown in fig. 5 and 6, the present embodiment is a fabricated concrete foundation structure without an independent foundation under steel columns, including: a prefabricated first foundation beam 20, a steel column 30 and a fastening assembly set 50.
The steel column 30 has a column bottom plate 30-1. The fastener set 50 has a double embracing C-shaped fastener 51, and the fastener 51 has a fastener bolt 51-1.
The fastener encircles the foundation beam 20, and the fastener bolt 51-1 passes through the column bottom plate 30-1 of the steel column and is fixed through the fastener nut.
When installing the steel column in the independent foundation span, firstly, the double-holding C-shaped fastener 51 with the fastener bolt 51-1 holds the first concrete foundation beam 20 from two sides of the concrete, and then the column bottom plate 30-1 of the steel column 30 is locked with the concrete beam 20 through the fastener bolt 51-1.
Local galling treatment is carried out when the top surface of the prefabricated foundation beam 20 below the column bottom plate 30-1 is installed on site; the column bottom plate 30-1 is provided with shear keys on the ground, and after the installation of the gap between each column bottom plate 30-1 and the prefabricated foundation beam 20 is finished, no shrinkage material is filled.
Claims (4)
1. An assembled concrete foundation structure which is characterized in that: the prefabricated steel structure comprises a prefabricated first foundation beam, a steel column, a fastener group and a prefabricated independent foundation;
the fastener group is provided with a fastener; the fastener has a fastener bolt;
the fastener encircles the first foundation beam, and the fastener bolt passes through the steel column and is fixed through the fastener nut;
the independent foundation comprises an anchor bolt; the anchor bolt penetrates through the fastener and is fixed through a nut;
the anchor bolt is provided with an upper nut and a lower nut;
the fastener set has a support structure; the support structure is disposed between the fastener and the independent foundation;
the lower nut is arranged below the supporting structure, and the upper nut is arranged above the fastener;
the anchor bolts are embedded in the independent foundation; the fastener bolt is fixed with the fastener when being prefabricated.
2. The fabricated concrete substructure of claim 1, wherein:
wherein the steel column has a column bottom plate through which the fastener bolt passes.
3. The fabricated concrete substructure of claim 1, wherein:
a leveling space is reserved between the first foundation beam and the top surface of the independent foundation, and after the installation is finished, a non-shrinkage material is arranged in the leveling space;
and filling a gap between the steel column and the first foundation beam with a non-shrinkage material after the installation is finished.
4. The fabricated concrete substructure of claim 1, wherein:
the prefabricated second foundation beam is vertical to the first foundation beam;
and the end part of the second foundation beam is provided with a reserved steel bar, and the gap of the end part is filled with concrete after the second foundation beam is leveled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510741213.4A CN106638650B (en) | 2015-11-03 | 2015-11-03 | Fabricated concrete foundation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510741213.4A CN106638650B (en) | 2015-11-03 | 2015-11-03 | Fabricated concrete foundation structure |
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| Publication Number | Publication Date |
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| CN106638650A CN106638650A (en) | 2017-05-10 |
| CN106638650B true CN106638650B (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510741213.4A Active CN106638650B (en) | 2015-11-03 | 2015-11-03 | Fabricated concrete foundation structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984203B (en) * | 2019-11-18 | 2022-02-18 | 中国建筑材料科学研究总院有限公司 | Precast concrete foundation, ground beam, connecting structure and mounting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11200490A (en) * | 1998-01-19 | 1999-07-27 | Yoshinori Okura | Joint of wooden building and connecting structure using the same |
| JPH11229402A (en) * | 1998-02-17 | 1999-08-24 | Daiwa House Ind Co Ltd | Foundation and construction for steel frame structure |
| JP2001200588A (en) * | 2000-01-18 | 2001-07-27 | Nippon Eisei Center:Kk | Base joining tool for house |
| CN103343547A (en) * | 2013-07-19 | 2013-10-09 | 中国建筑股份有限公司 | Assembly type shape steel concrete four tetrastyle foundation of container type movable house and construction method |
| CN205088700U (en) * | 2015-11-03 | 2016-03-16 | 上海泰大建筑科技有限公司 | Assembled concrete foundation system |
-
2015
- 2015-11-03 CN CN201510741213.4A patent/CN106638650B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11200490A (en) * | 1998-01-19 | 1999-07-27 | Yoshinori Okura | Joint of wooden building and connecting structure using the same |
| JPH11229402A (en) * | 1998-02-17 | 1999-08-24 | Daiwa House Ind Co Ltd | Foundation and construction for steel frame structure |
| JP2001200588A (en) * | 2000-01-18 | 2001-07-27 | Nippon Eisei Center:Kk | Base joining tool for house |
| CN103343547A (en) * | 2013-07-19 | 2013-10-09 | 中国建筑股份有限公司 | Assembly type shape steel concrete four tetrastyle foundation of container type movable house and construction method |
| CN205088700U (en) * | 2015-11-03 | 2016-03-16 | 上海泰大建筑科技有限公司 | Assembled concrete foundation system |
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| CN106638650A (en) | 2017-05-10 |
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