CN109235776A - Plug-in type Prefabricated concrete-filled steel tube column and foundation connection structure and attaching method thereof - Google Patents
Plug-in type Prefabricated concrete-filled steel tube column and foundation connection structure and attaching method thereof Download PDFInfo
- Publication number
- CN109235776A CN109235776A CN201811286517.6A CN201811286517A CN109235776A CN 109235776 A CN109235776 A CN 109235776A CN 201811286517 A CN201811286517 A CN 201811286517A CN 109235776 A CN109235776 A CN 109235776A
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- concrete
- steel tube
- tube column
- filled steel
- cast
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention belongs to fixed building fields, more particularly to the plug-in type Prefabricated concrete-filled steel tube column and foundation connection structure and attaching method thereof in building, the structure includes: Prefabricated concrete-filled steel tube column, cast in situ concrete foundation seat, the Prefabricated concrete-filled steel tube column is mounted on the cast in situ concrete foundation seat by ring flange, the ring flange connecting pin of the Prefabricated concrete-filled steel tube column has additional the grouting storehouse for inculcating cast-in-place concrete, the Prefabricated concrete-filled steel tube column is equipped with the injected hole being connected to grouting storehouse, the invention has the advantages that using the bearing capacity of perfusion mortar (or concrete) to improve connecting portion at the steel-pipe welding position of ring flange and Prefabricated concrete-filled steel tube column, it improves the heat and flame resistant ability of connecting portion and eliminates anti-corrosion weakness problem inside connecting portion.
Description
Technical field
The invention belongs to fixed building fields, and in particular to the Prefabricated concrete-filled steel tube column in building connect knot with basis
Structure.
Background technique
With the continuous development of building trade, assembled architecture builds house can be complete in batch as machine production
Ground manufacture.As long as prefabricated house component is transported to assemble in site and got up at due to the construction speed of assembled architecture
Fastly, and lower production costs, it promotes come all over the world rapidly.
Steel core concrete column in previous fabricated structure is connect with basis mostly uses ring flange to be attached greatly, method
Blue disk needs first to be welded on steel pipe column, is then connect by ring flange with basis, and such mode exists there are connection method to be saved
Point scale is big, and installation is inconvenient；Steel bar arrangement in suspension column component affecting basis；Column base concrete compactness quality is unreliable, even
Socket part position bearing capacity is weak, etc. security risks.
In addition, the steel pipe of Prefabricated concrete-filled steel tube column needs welding flange, welded flange on Prefabricated concrete-filled steel tube column
It will lead to that temperature of steel pipe is excessively high to make cement cracking to reducing intensity, bearing capacity weak defects when disk；Connecting portion fire resistance
It can be low；Antiseptic property is weak inside connecting portion, not easy to handle, etc. security risks.
Summary of the invention
The object of the present invention is to provide a kind of plug-in type Prefabricated concrete-filled steel tube column and foundation connection structures, and being used for will be prefabricated
Steel core concrete column is inserted in the mode in basis, solves existing concrete filled steel tubular member and is connected method there are node sizes
The problems such as excessive and column base concrete compactness quality is unreliable, and connecting portion bearing capacity is weak, to overcome above-mentioned existing skill
The deficiency of art.
The technical proposal of the invention is realized in this way, the plug-in type Prefabricated concrete-filled steel tube column and foundation connection structure packet
Include: one end of Prefabricated concrete-filled steel tube column, cast in situ concrete foundation seat, the Prefabricated concrete-filled steel tube column is described equipped with being cast in
Connecting pin inside cast in situ concrete foundation seat, the grouting of the connecting pin being internally provided with for inculcating cast-in-place concrete
The bottom in storehouse, the grouting storehouse is provided with fixing bolt, the pre-manufactured steel along the length direction of the Prefabricated concrete-filled steel tube column
Pipe concrete column is equipped with the slip casting channel being connected to grouting storehouse, and cement mortar is cast in the grouting by the slip casting channel
In storehouse, the connecting pin of the Prefabricated concrete-filled steel tube column and fixing bolt are cast in the interior of the cast in situ concrete foundation seat
Portion.
Preferably, the Prefabricated concrete-filled steel tube column includes: outer steel pipe layer and is arranged in mixed on outer steel pipe layer inner wall
Solidifying soil layer.
Preferably, side wall of a part as grouting storehouse is extended in outer steel pipe layer bottom, the outer steel pipe layer
The upper and lower ends of extension are provided with styletable shelves slurry sealing plate and styletable bottom plate, the extension of the outer steel pipe layer, the column
Hold shelves slurry sealing plate and styletable bottom plate composition grouting storehouse.
Preferably, offering extravasating hole, the sky of the extravasating hole and the concrete layer on the styletable shelves slurry sealing plate
Center portion point connection.
Preferably, the size in the slip casting channel is greater than the size of manpower, the slip casting channel is also used as across manpower
Bolt install handle hole.
Preferably, offering multiple bolts on the styletable bottom plate across hole, the fixing bolt passes through the bolt
It is cast in the cast in situ concrete foundation seat across hole.
Preferably, it is anti-that multiple connections extended radially outward are welded or be bolted on the outer wall of the connecting pin
Cut part.
It is including following it is a further object to provide the connection method of a kind of Prefabricated concrete-filled steel tube column and basis
Step:
Step S1: steel core concrete column it is prefabricated；
Step S11: prefabricated first in factory to be made of outer steel pipe layer and the concrete layer that is arranged on outer steel pipe layer inner wall
Steel core concrete column；
Step S12: the grouting storehouse for inculcating cast-in-place concrete is set in the inside of one end of steel core concrete column, wherein institute
It states outer steel pipe layer bottom and extends side wall of a part as grouting storehouse；
Step S13: styletable shelves slurry sealing plate and styletable are welded or be bolted to the upper and lower ends in the extension of outer steel pipe layer
Bottom plate, the extension of the outer steel pipe layer, styletable shelves slurry sealing plate and styletable bottom plate composition grouting storehouse；
Step S14: multiple bolts are offered on styletable bottom plate across hole, one end of fixing bolt is passed through by the bolt
Hole is inserted into the grouting storehouse, and manpower passes through the slip casting channel in storehouse of being in the milk for nut driving on fixing bolt；
Step S15: extravasating hole, the hollow parts company of the extravasating hole and the concrete layer are offered on styletable shelves slurry sealing plate
It is logical；
Step S16: multiple connection shearing-resistant members extended radially outward are welded on the outer wall of outer steel pipe layer, wherein connection
The position of shearing-resistant member is corresponding with grouting storehouse；
Step 2: the connection of concrete foundation seat poured with Prefabricated concrete-filled steel tube column；
Step 21: the connecting pin of Prefabricated concrete-filled steel tube column is moved to by foundation base mold by support device or boom hoisting
It is interior, by while foundation base mold casting concrete foundation base that connecting pin is cast-in-place in the concrete foundation seat, wherein
Cement mortar in foundation base mold is poured into the grouting storehouse by slip casting channel.
Advantages of the present invention and good effect are:
1, the present invention reduces suspension column size, side in such a way that Prefabricated concrete-filled steel tube column is inserted into cast in situ concrete foundation seat
Just install and facilitate basic internal steel bar arrangement.
2, the present invention is by being arranged grouting storehouse in the bottom of Prefabricated concrete-filled steel tube column, and storehouse of being in the milk is with cast-in-place concrete base
Plinth seat is integrally poured, and on the one hand solves Prefabricated concrete-filled steel tube column and cast in situ concrete foundation seat second pouring intensity is inadequate
Problem, on the other hand by grouting the top of the warehouse setting extravasating hole, as cast in situ concrete foundation seat and grouting storehouse exhaust,
Extravasating hole makes in column bottom casting concrete indentation cylinder, the company of raising to improve column bottom connecting portion concrete density quality
Intensity is connect, in styletable bottom plate aperture, the compactness quality of styletable filling concrete storehouse inner concrete is improved, also improves interconnecting piece
The bearing capacity of position, eliminates the problems such as anti-corrosion is weak inside connecting portion at the heat and flame resistant ability of connecting portion.
3, the present invention to steel core concrete column by the way of cast-in-place and prefabricated combination, to solve Prefabricated concrete-filled steel tube column
Bonding strength deficiency problem, also effectively saved the integral construction time.
Detailed description of the invention
Fig. 1 is overall structure stereogram of the invention.
Fig. 2 is Prefabricated concrete-filled steel tube column and cast in situ concrete foundation seat connection schematic diagram of the invention.
Fig. 3 is Prefabricated concrete-filled steel tube column perspective view of the invention.
Fig. 4 is Prefabricated concrete-filled steel tube column exploded view of the invention.
Appended drawing reference: Prefabricated concrete-filled steel tube column 1, cast in situ concrete foundation seat 2, connecting pin 3, grouting storehouse 4, fixing bolt
5, slip casting channel 6, outer steel pipe layer 7, nut 8, concrete layer 9, the extension 10 of outer steel pipe layer, styletable shelves starch sealing plate 11, column
Bottom plate 12, extravasating hole 13, bolt is held to pass through hole 14, connection shearing-resistant member 15.
Specific embodiment
Refering to fig. 1-4, the present invention includes: Prefabricated concrete-filled steel tube column 1, cast in situ concrete foundation seat 2, the prefabricated steel pipe
One end of concrete column 1 is equipped with the connecting pin 3 being cast in inside the cast in situ concrete foundation seat 2, the inside of the connecting pin 3
It is provided with the grouting storehouse 4 for inculcating cast-in-place concrete, the bottom in the grouting storehouse 4 is along the Prefabricated concrete-filled steel tube column 1
Length direction is provided with fixing bolt 5, and the Prefabricated concrete-filled steel tube column 1 is equipped with the slip casting channel 6 being connected to grouting storehouse 4,
Cement mortar is cast in the grouting storehouse 4 by the slip casting channel 6 when being poured cast in situ concrete foundation seat 2, institute
The connecting pin 3 and fixing bolt 5 of stating Prefabricated concrete-filled steel tube column 1 are cast in the inside of the cast in situ concrete foundation seat 2, in advance
Steel core concrete column 1 processed includes: outer steel pipe layer 7 and the concrete layer 9 that is arranged on outer 7 inner wall of steel pipe layer, the slip casting channel 6
Size be greater than manpower size, the slip casting channel 6 also as across manpower bolt installation handle hole.
Extend side wall of a part as grouting storehouse 4, the extension of the outer steel pipe layer 7 in 7 bottom of outer steel pipe layer
Points 10 upper and lower ends are welded with styletable shelves slurry sealing plate 11 and styletable bottom plate 12, the extension 10 of the outer steel pipe layer, described
Styletable shelves starch sealing plate 11 and the styletable bottom plate 12 composition grouting storehouse 4, offer extravasating hole 13 on the styletable shelves slurry sealing plate 10,
The extravasating hole 13 is connected to the hollow parts of the concrete layer 9.
Bolt passes through hole 14 there are four opening up on the styletable bottom plate 12, and the fixing bolt 5 passes through the bolt and passes through
Hole 14 is cast in the cast in situ concrete foundation seat 2.
Multiple connection shearing-resistant members 15 extended radially outward are welded on the outer wall of the connecting pin 3.
Refering to fig. 1-4, the connection method of a kind of Prefabricated concrete-filled steel tube column and foundation structure of the invention, including following step
It is rapid:
Step S1: steel core concrete column 1 it is prefabricated；
Step S11: prefabricated first in factory to be made of outer steel pipe layer 4 and the concrete layer 9 being arranged on outer 7 inner wall of steel pipe layer
Steel core concrete column 1；
Step S12: the grouting storehouse 4 for inculcating cast-in-place concrete is set in the inside of one end of steel core concrete column 1, wherein
Extend side wall of a part as grouting storehouse 4 in the bottom of the outer steel pipe layer 7；
Step S13: the upper and lower ends in the extension of outer steel pipe layer 10 are welded with styletable shelves slurry sealing plate 11 and styletable bottom plate 12,
The extension 10 of the outer steel pipe layer, styletable shelves slurry sealing plate 11 and the styletable bottom plate 12 composition grouting storehouse 4；
Step S14: multiple bolts are offered on styletable bottom plate 12 across hole 14, one end of fixing bolt 5 is passed through into the spiral shell
Bolt passes through hole 14 and is inserted into the grouting storehouse 4, and worker passes through the slip casting channel 6 on grouting storehouse 4 with hand and nut 8 is screwed in fixation
On bolt 6；
Step S15: extravasating hole 13, the sky of the extravasating hole 13 and the concrete layer 9 are offered on styletable shelves slurry sealing plate 11
Center portion point connection；
Step S16: multiple connection shearing-resistant members 15 extended radially outward are welded on the outer wall of outer steel pipe layer 7, wherein even
The position for connecing shearing-resistant member 15 is corresponding with the grouting position in storehouse 4；
Step 2: the connection of concrete foundation seat 2 poured with Prefabricated concrete-filled steel tube column 1；
Step 21: the connecting pin 3 of Prefabricated concrete-filled steel tube column 1 being moved in foundation base mold by boom hoisting, passes through base
It is while plinth seat mold casting concrete foundation base 2 that connecting pin 3 is cast-in-place in the concrete foundation seat 2, wherein foundation base
Cement mortar in mold is poured into the grouting storehouse 4 by slip casting channel 6.
Claims (8)
1. a kind of plug-in type Prefabricated concrete-filled steel tube column and foundation connection structure characterized by comprising Prefabricated concrete-filled steel tube
Column, cast in situ concrete foundation seat, one end of the Prefabricated concrete-filled steel tube column, which is equipped with, is cast in the cast in situ concrete foundation seat
Internal connecting pin, the grouting storehouse of the connecting pin being internally provided with for inculcating cast-in-place concrete, the bottom in the grouting storehouse
Portion is provided with fixing bolt along the length direction of the Prefabricated concrete-filled steel tube column, the Prefabricated concrete-filled steel tube column be equipped with
The slip casting channel of grouting storehouse connection, cement mortar are cast in the grouting storehouse by the slip casting channel, the prefabricated steel pipe
The connecting pin of concrete column and fixing bolt are cast in the inside of the cast in situ concrete foundation seat.
2. plug-in type Prefabricated concrete-filled steel tube column according to claim 1 and foundation connection structure, which is characterized in that described
Prefabricated concrete-filled steel tube column includes: outer steel pipe layer and the concrete layer that is arranged on outer steel pipe layer inner wall.
3. plug-in type Prefabricated concrete-filled steel tube column according to claim 2 and foundation connection structure, which is characterized in that
Side wall of a part as grouting storehouse is extended in outer steel pipe layer bottom, the extension of the outer steel pipe layer it is upper and lower
Both ends are provided with styletable shelves slurry sealing plate and styletable bottom plate, the extension of the outer steel pipe layer, styletable shelves slurry sealing plate and institute
State styletable bottom plate composition grouting storehouse.
4. plug-in type Prefabricated concrete-filled steel tube column according to claim 3 and foundation connection structure, which is characterized in that described
Extravasating hole is offered on styletable shelves slurry sealing plate, the extravasating hole is connected to the hollow parts of the concrete layer.
5. plug-in type Prefabricated concrete-filled steel tube column according to claim 3 and foundation connection structure, which is characterized in that described
The size in slip casting channel is greater than the size of manpower, and handle hole is also installed as the bolt across manpower in the slip casting channel.
6. plug-in type Prefabricated concrete-filled steel tube column according to claim 3 and foundation connection structure, which is characterized in that described
Multiple bolts are offered on styletable bottom plate across hole, the fixing bolt is cast in across the bolt across hole described cast-in-place mixed
In solidifying earth foundation seat.
7. plug-in type Prefabricated concrete-filled steel tube column according to claim 1 and foundation connection structure, which is characterized in that described
Multiple connection shearing-resistant members extended radially outward are welded or are bolted on the outer wall of connecting pin.
8. a kind of connection method of Prefabricated concrete-filled steel tube column and foundation structure, which comprises the following steps:
Step S1: steel core concrete column it is prefabricated；
Step S11: the prefabricated steel being made of outer steel pipe layer, the concrete layer being arranged on outer steel pipe layer inner wall first in factory
Pipe concrete column；
Step S12: the grouting storehouse for inculcating cast-in-place concrete is set in the inside of one end of steel core concrete column, wherein institute
It states outer steel pipe layer bottom and extends side wall of a part as grouting storehouse；
Step S13: styletable shelves slurry sealing plate and styletable are welded or be bolted to the upper and lower ends in the extension of outer steel pipe layer
Bottom plate, the extension of the outer steel pipe layer, styletable shelves slurry sealing plate and styletable bottom plate composition grouting storehouse；
Step S14: multiple bolts are offered on styletable bottom plate across hole, one end of fixing bolt is passed through by the bolt
Hole is inserted into the grouting storehouse, and manpower passes through the slip casting channel in storehouse of being in the milk for nut driving on fixing bolt；
Step S15: extravasating hole, the hollow parts company of the extravasating hole and the concrete layer are offered on styletable shelves slurry sealing plate
It is logical；
Step S16: multiple connection shearing-resistant members extended radially outward are welded on the outer wall of outer steel pipe layer, wherein connection
The position of shearing-resistant member is corresponding with grouting storehouse；
Step 2: the connection of concrete foundation seat poured with Prefabricated concrete-filled steel tube column；
Step 21: the connecting pin of Prefabricated concrete-filled steel tube column is moved to by foundation base mold by support device or boom hoisting
It is interior, by while foundation base mold casting concrete foundation base that connecting pin is cast-in-place in the concrete foundation seat, wherein
Cement mortar in foundation base mold is poured into the grouting storehouse by slip casting channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286517.6A CN109235776A (en) | 2018-10-31 | 2018-10-31 | Plug-in type Prefabricated concrete-filled steel tube column and foundation connection structure and attaching method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286517.6A CN109235776A (en) | 2018-10-31 | 2018-10-31 | Plug-in type Prefabricated concrete-filled steel tube column and foundation connection structure and attaching method thereof |
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| CN109235776A true CN109235776A (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811286517.6A Pending CN109235776A (en) | 2018-10-31 | 2018-10-31 | Plug-in type Prefabricated concrete-filled steel tube column and foundation connection structure and attaching method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359480A (en) * | 2019-07-17 | 2019-10-22 | 湖南长高高压开关集团股份公司 | A kind of disconnecting switch embedded foundation bracket |
| CN110644621A (en) * | 2019-09-26 | 2020-01-03 | 上海欧本钢结构有限公司 | Connecting structure and method for column and foundation |
| CN112832825A (en) * | 2021-01-19 | 2021-05-25 | 华北理工大学 | Assembled hollow sandwich concrete filled steel tube arch center and construction method thereof |
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| CN209114726U (en) * | 2018-10-31 | 2019-07-16 | 吉林省建苑设计集团有限公司 | Plug-in type Prefabricated concrete-filled steel tube column and foundation connection structure |
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2018
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| KR20150075432A (en) * | 2013-12-25 | 2015-07-06 | 주식회사 포스코 | Connectong structure of steel tube and foundation pile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359480A (en) * | 2019-07-17 | 2019-10-22 | 湖南长高高压开关集团股份公司 | A kind of disconnecting switch embedded foundation bracket |
| CN110644621A (en) * | 2019-09-26 | 2020-01-03 | 上海欧本钢结构有限公司 | Connecting structure and method for column and foundation |
| CN112832825A (en) * | 2021-01-19 | 2021-05-25 | 华北理工大学 | Assembled hollow sandwich concrete filled steel tube arch center and construction method thereof |
| CN112832825B (en) * | 2021-01-19 | 2022-04-12 | 华北理工大学 | Assembled hollow sandwich concrete filled steel tube arch center and construction method thereof |
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