CN207812837U - A kind of distributed shear key suitable for steel column - Google Patents
A kind of distributed shear key suitable for steel column Download PDFInfo
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- CN207812837U CN207812837U CN201721777595.7U CN201721777595U CN207812837U CN 207812837 U CN207812837 U CN 207812837U CN 201721777595 U CN201721777595 U CN 201721777595U CN 207812837 U CN207812837 U CN 207812837U
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- shear key
- steel column
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- cylinder
- shear
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Abstract
The utility model discloses a kind of distributed shear key suitable for steel column, several shear keies are distributed in cylinder bottom, and the bottom side of cylinder is equipped with several foundation bolts.By reserving pit-hole by integrated cylinder and shear key, and in under-pole bar base, modularized production solves traditional reserved bottom plate of steel column foot shearing-resistant member pit-hole scheme and there is the problems such as limited to the restriction ability of shear key, construction is more difficult, improves construction efficiency；The shear key of direct docking cylinder strengthens suspension column shearing resistance, effectively enhances the reliability of shear key, improves suspension column shearing resistance redundancy, facilitate construction, it is ensured that steel column is smoothly installed；And this structure extend to other using steel column as the power transformation structure of support construction among, with very strong practicability and wide applicability.
Description
Technical field
The present invention relates to a kind of shear keies, and in particular to a kind of distributed shear key suitable for steel column.
Background technology
There are mainly two types of the schemes of the reserved bottom plate of steel column foot shearing-resistant member pit-hole used at present：Basic top cover to reinforcement
It thickeies so that pit-hole is reserved in protective layer；Basic top bars are pushed in pressure aside so that pit-hole can be reserved smoothly.For upper
Two methods are stated, are mainly had a disadvantage that：
（1）, by basic top cover to reinforcement thicken（100mm ~ 150mm or so）, this not only makes valve base or base
Effective height reduce, influence the anti-bending bearing capacity on basis, and shear key be completely disposed in the plain concrete of surface, concrete
It is limited to the restriction ability of shear key, surface layer concrete breaking is susceptible to so that pillar sliding, causes safety accident.
（2）, for force by top bars push aside with reserve pit-hole method；Since top bars are generally stress master
Muscle, diameter in 20mm or more, manually bend it is extremely difficult, and by reinforcing bar pressure push aside after, reinforcing bar deformation, influence reinforcing bar by
Power so that there are security risks on basis.
Invention content
To solve the deficiencies in the prior art, the purpose of the present invention is to provide one kind improving suspension column shearing resistance redundancy, side
Just the distributed shear key suitable for steel column constructed.
In order to realize that above-mentioned target, the present invention adopt the following technical scheme that：
A kind of distributed shear key suitable for steel column, several shear keies are distributed in cylinder bottom, the bottom side of the cylinder
Equipped with several foundation bolts.
Above-mentioned shear key is placed in cylinder bottom by bottom plate.
Further, the diameter of above-mentioned bottom plate is more than the diameter of cylinder, and foundation bolt is set on bottom plate.
Above-mentioned shear key circularizes, " well " type or " field " type are distributed.
The outer ring of above-mentioned shear key is placed in the bottom of cylinder wall.
Above-mentioned foundation bolt is spirally connected under-pole bar base, and shear key is matched with the reserved pit-hole of under-pole bar base.
Further, above-mentioned under-pole bar base includes reinforcing bar and concrete.
A kind of construction method of above-mentioned distributed shear key suitable for steel column, includes the following steps：
S1, reinforcing bar, concreting reserve pit-hole when pouring at under-pole bar base in top；
S2, above-mentioned under-pole bar base is embedded into construction site；
S3, bottom plate or the integrated molding that shear key is welded in cylinder bottom in advance；
S4, cylinder is placed at the top of under-pole bar base, after matching shear key and reserved pit-hole, passes through foundation bolt fixed cylinder
With under-pole bar base.
The invention has the beneficial effects that：
A kind of distributed shear key and construction method suitable for steel column of the present invention, by by integrated cylinder and shearing resistance
Key, and pit-hole is reserved in under-pole bar base, modularized production solves traditional reserved bottom plate of steel column foot shearing-resistant member pit-hole scheme and deposits
The problems such as the restriction ability to shear key is limited, construction is more difficult, construction efficiency is improved；The shearing resistance of direct docking cylinder
Key strengthens suspension column shearing resistance, effectively enhances the reliability of shear key, improves suspension column shearing resistance redundancy, facilitate construction, it is ensured that
Steel column is smoothly installed；And this structure extend to other using steel column as the power transformation structure of support construction among, have very by force
Practicability and wide applicability.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of distributed shear key suitable for steel column of the present invention.
Fig. 2 is a kind of sectional view of the structural schematic diagram of distributed shear key suitable for steel column of the present invention.
The meaning marked in attached drawing is as follows：1, under-pole bar base, 2, cylinder, 3, foundation bolt, 4, bottom plate, 5, shear key, 6,
Reserved pit-hole.
Specific implementation mode
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
A kind of distributed shear key suitable for steel column, pole section be square, and 9 are made of the reinforcing bar of Φ 50*6
Shear key is welded in " field " type on the bottom plate of cylinder bottom, and shear key is located at the underface of cylinder wall.
When using reinforcing bar and concreting under-pole bar base, in the reserved pit-hole of the reserved matching shear key in top, hole is reserved
It is 70mm that the size in hole, which can suitably be enlarged into length and width, deep 100mm.When pouring, the pit-hole of small size can be reserved, and under column more
The vertically and horizontally reinforcing bar of base is not interfere with each other, and it is tired due to being reserved caused by node area reinforcing bar dense distribution to avoid the occurrence of shear key pit-hole
It is difficult.
After steel column be transported to it is live in place after, shear key is inserted into reserved pit-hole, then pour high intensity ungauged regions it is thin
Stone concrete fills up gap, you can completes steel column and works in place.
Steel column and under-pole bar base are attached fixation by the foundation bolt for being distributed in bottom plate of steel column foot quadrangle by 4.
In actual use,
Spacing size determination between the size binding reinforcement of shear key, meanwhile, if being subjected to larger suspension column shearing, ruler
It is very little accordingly to increase.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (7)
1. a kind of distributed shear key suitable for steel column, which is characterized in that several shear keies are distributed in cylinder bottom, the column
The bottom side of body is equipped with several foundation bolts.
2. a kind of distributed shear key suitable for steel column according to claim 1, which is characterized in that the shear key is logical
It crosses bottom plate and is placed in cylinder bottom.
3. a kind of distributed shear key suitable for steel column according to claim 2, which is characterized in that the bottom plate it is straight
Diameter is more than the diameter of cylinder, and foundation bolt is set on bottom plate.
4. a kind of distributed shear key suitable for steel column according to claim 1, which is characterized in that the shear key at
Annular, " well " type or the distribution of " field " type.
5. a kind of distributed shear key suitable for steel column according to claim 1, which is characterized in that the shear key
Outer ring is placed in the bottom of cylinder wall.
6. a kind of distributed shear key suitable for steel column according to claim 1, which is characterized in that the foundation bolt
Be spirally connected under-pole bar base, and shear key is matched with the reserved pit-hole of under-pole bar base.
7. a kind of distributed shear key suitable for steel column according to claim 6, which is characterized in that the under-pole bar base
Including reinforcing bar and concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721777595.7U CN207812837U (en) | 2017-12-19 | 2017-12-19 | A kind of distributed shear key suitable for steel column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721777595.7U CN207812837U (en) | 2017-12-19 | 2017-12-19 | A kind of distributed shear key suitable for steel column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207812837U true CN207812837U (en) | 2018-09-04 |
Family
ID=63332437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721777595.7U Active CN207812837U (en) | 2017-12-19 | 2017-12-19 | A kind of distributed shear key suitable for steel column |
Country Status (1)
| Country | Link |
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| CN (1) | CN207812837U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130905A (en) * | 2019-05-10 | 2019-08-16 | 中铁第四勘察设计院集团有限公司 | A kind of shield tunnel circumferential weld shear structure of the vertical dislocation of adaptive act tomography |
| CN113266077A (en) * | 2021-05-11 | 2021-08-17 | 中交第一航务工程局有限公司 | Shear-resistant construction process for column foot of high-rise steel structure mechanical type public transport garage |
| CN110130905B (en) * | 2019-05-10 | 2024-04-19 | 中铁第四勘察设计院集团有限公司 | Shield tunnel circumferential seam shearing-resistant structure adapting to vertical fault of movable fault |
-
2017
- 2017-12-19 CN CN201721777595.7U patent/CN207812837U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130905A (en) * | 2019-05-10 | 2019-08-16 | 中铁第四勘察设计院集团有限公司 | A kind of shield tunnel circumferential weld shear structure of the vertical dislocation of adaptive act tomography |
| CN110130905B (en) * | 2019-05-10 | 2024-04-19 | 中铁第四勘察设计院集团有限公司 | Shield tunnel circumferential seam shearing-resistant structure adapting to vertical fault of movable fault |
| CN113266077A (en) * | 2021-05-11 | 2021-08-17 | 中交第一航务工程局有限公司 | Shear-resistant construction process for column foot of high-rise steel structure mechanical type public transport garage |
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