CN215106103U - Improved embedded steel column base for steel column with box-shaped section - Google Patents
Improved embedded steel column base for steel column with box-shaped section Download PDFInfo
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- CN215106103U CN215106103U CN202120629453.6U CN202120629453U CN215106103U CN 215106103 U CN215106103 U CN 215106103U CN 202120629453 U CN202120629453 U CN 202120629453U CN 215106103 U CN215106103 U CN 215106103U
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Abstract
The utility model discloses a modified is used for embedded steel column foot of box cross-section steel column, including the box cross-section post, box cross-section socle has set firmly first crab-bolt supporting bracket, second crab-bolt supporting bracket, all be equipped with two nut rag anchor bolt holes, pour hole, overfall hole on first crab-bolt supporting bracket, the second crab-bolt supporting bracket set firmly L shaped steel, L shaped steel sets firmly the column foot anchor plate, box cross-section post, first crab-bolt supporting bracket, second crab-bolt supporting bracket, supporting bracket stiffening rib, L shaped steel, peg constitution steel column foot, pre-buried two nut rag bolts on the concrete base, reserve the rim of a cup and be equipped with the pea gravel concrete, the node atress is clear, the atress performance is good; l shaped steel and column base anchor plate and two nut sill anchor and concrete foundation atress jointly are favorable to better transmit box cross-section post internal force for concrete foundation, reach the requirement of the weak component of strong node that the standard required.
Description
Technical Field
The utility model relates to a steel column base field especially relates to a modified is used for buryying formula steel column base of box cross-section steel column.
Background
With the continuous development of society, the construction industry has developed rapidly, complex buildings such as high-rise buildings, super high-rise buildings, large-span structures and the like are in great numbers in China, box-section steel columns are applied more and more widely due to good stress performance, in the design of column bases of existing box-section steel columns, the existing column bases are usually designed according to actual projects according to standard requirements, the design of the column bases listed in the specifications is not perfect, the construction process is complex in actual application, and the construction quality is difficult to guarantee.
In the prior art, the embedded steel column base of the steel column with the box-shaped section mainly comprises two types: firstly, an exposed column base; ② embedding type column base. These two methods have the following drawbacks: when the first method is used for buildings with earthquake-resistant requirements, the diameter of the anchor bolt calculated according to the specification is large, the number of the anchor bolts is large, the installation and construction of the column base are difficult, and the economical efficiency is poor. In the second method, since the box-shaped section is a closed section, the concrete of the foundation is difficult to cast after the foundation is embedded, and the situation of incompact casting is easy to occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improved formula steel column base of buryying that is used for box cross-section steel column to solve above-mentioned technical problem.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:
an improved embedded steel column base for a steel column with a box-shaped section comprises a box-shaped section column, wherein a first anchor bolt supporting bracket and a second anchor bolt supporting bracket are fixedly arranged at the bottom of the box-shaped section column, a plurality of double-nut anchor bolt holes, a pouring hole and an overflow hole are arranged on the first anchor bolt supporting bracket and the second anchor bolt supporting bracket in a penetrating manner, an anchor bolt supporting bracket stiffening rib is arranged between the first anchor bolt supporting bracket and the second anchor bolt supporting bracket, a plurality of L-shaped steel is fixedly arranged at the bottom of the second anchor bolt supporting bracket, a column base anchoring plate is fixedly arranged at the bottom of the L-shaped steel, a plurality of bolts are fixedly arranged on the L-shaped steel, the box-shaped section column, the first anchor bolt supporting bracket, the second anchor bolt supporting bracket, the stiffening rib, the L-shaped steel and the bolts form a steel column base, the steel column base is embedded into a reserved cup mouth on a concrete base, the double-nut anchor bolts are embedded on the concrete base, double nut sill anchor passes double nut sill anchor bolt hole and screws up the bolt, reserve the inside pea gravel concrete that is equipped with of rim of a cup, pea gravel concrete passes through pour the hole and pour.
Preferably, the bottom of the double-nut anchor bolt is fixedly provided with an anchoring end plate.
Preferably, the number of the pouring holes is eight. The number of pouring holes can be different according to different conditions.
Preferably, the double-nut anchor bolt is embedded in the concrete base.
Preferably, the positions of the plurality of L-shaped steels correspond to the corners of the box-section column.
Preferably, the stud is made of carbon steel.
The utility model has the advantages that:
1. the utility model has clear node stress and good stress performance; l shaped steel and column base anchor plate and two nut sill anchor and concrete foundation atress jointly are favorable to better transmit box cross-section post column base internal force for concrete foundation, reach the requirement of the weak component of strong node that the standard required.
2. Construction convenience, on-the-spot strong operability, through set up L shaped steel under crab-bolt supporting bracket, ensure that the concrete foundation can pour the convenience, improve the foundation and pour closely knit nature.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of the present invention;
reference numerals: 1-a box section column; 2-a second anchor-bearing bracket; 3-double-nut anchor bolts; 4-L section steel; 5-column base anchoring plate; 6-stud; 7-a concrete base; 8-reserving a cup mouth; 9-fine stone concrete; 10-anchor-bearing bracket stiffener; 11-pouring holes; 12-slurry overflow hole; 13-anchoring the end plate; 14-double-nut anchor bolt holes; 15-first anchor bolt support bracket.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, an improved embedded steel column base for a steel column with box-shaped cross section comprises a column 1 with box-shaped cross section, a first anchor bolt supporting bracket 15 and a second anchor bolt supporting bracket 2 are fixedly arranged at the bottom of the column 1 with box-shaped cross section, a plurality of double-nut anchor bolt holes 14, pouring holes 11 and slurry overflow holes 12 are arranged on the first anchor bolt supporting bracket 15 and the second anchor bolt supporting bracket 2 in a penetrating manner, the number of the pouring holes 11 is eight, the pouring holes 11 are arranged to facilitate the pouring of concrete, an anchor bolt supporting bracket stiffening rib 10 is arranged between the first anchor bolt supporting bracket 15 and the second anchor bolt supporting bracket 2, the anchor bolt supporting bracket stiffening rib 10 improves the stability and the torsion resistance between the first anchor bolt supporting bracket 15 and the second anchor bolt supporting bracket 2, a plurality of L-shaped steels 4 are fixedly arranged at the bottom of the second anchor bolt supporting bracket 2, a column anchoring plate 5 is fixedly arranged at the bottom of the L-shaped steels 4, the L-shaped steel 4 is fixedly provided with a plurality of studs 6, a box-shaped section column 1, a first anchor bolt supporting bracket 15, a second anchor bolt supporting bracket 2, an anchor bolt supporting bracket stiffening rib 10, the L-shaped steel 4 and the studs 6 form a steel column foot, the studs 6 are made of carbon steel, the positions of the L-shaped steel 4 correspond to the corners of the box-shaped section column 1, the steel column foot is embedded into a reserved cup 8 on a concrete base 7, a double-nut anchor bolt 3 is pre-embedded on the concrete base 7, the double-nut anchor bolt 3 is pre-embedded in the concrete base 7, an anchoring end plate 13 is fixedly arranged at the bottom of the double-nut anchor bolt 3, the double-nut anchor bolt 3 penetrates through the double-nut anchor bolt hole 14 and screws the bolt, fine stone concrete 9 is arranged in the reserved cup 8, the fine stone concrete 9 is poured through a pouring hole 11, in the concrete implementation, after the double-nut anchor bolt 3 is pre-embedded in the corresponding position, the anchor bolt 3 has the anchor length of at least 25 times of the diameter of the double-nut anchor bolt 3, reserving a reserved cup opening 8 on the concrete base 7, reserving the cup opening 8 to be inclined according to 75 degrees, inserting a steel column base into the reserved cup opening 8 after the concrete base 7 is poured, screwing down nuts on the double-nut anchor bolts 3 which pass through the first anchor bolt supporting bracket 15 and the second anchor bolt supporting bracket 2, and pouring fine aggregate concrete 9, wherein the strength of the fine aggregate concrete 9 is improved by one level compared with the strength of the concrete base 7.
Example 2
As shown in fig. 1 to 3, in the case where the other parts are the same as those of embodiment 1, this embodiment is different from embodiment 1 in that: the section of the box-shaped section column 1 is circular.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an improved bury formula steel column base that is used for box cross-section steel column, includes box cross-section post (1), its characterized in that: box cross-section post (1) end has set firmly first crab-bolt supporting bracket (15), second crab-bolt supporting bracket (2), all run through on first crab-bolt supporting bracket (15), second crab-bolt supporting bracket (2) and be provided with a plurality of two nuts lower margin anchor bolt hole (14), pour hole (11), overfall hole (12), set up crab-bolt supporting bracket stiffening rib (10) between first crab-bolt supporting bracket (15), second crab-bolt supporting bracket (2) bottom has set firmly a plurality of L shaped steel (4), L shaped steel (4) bottom has set firmly column base anchor plate (5), a plurality of pegs (6) have set firmly on L shaped steel (4), box cross-section post (1), first crab-bolt supporting bracket (15), second crab-bolt supporting bracket (2), crab-bolt supporting stiffening rib (10), Steel column base is constituteed to L shaped steel (4), peg (6), the steel column base is buried underground to reservation rim of a cup (8) on concrete foundation (7), pre-buried two nut anchor bolts (3) are gone up in concrete foundation (7), two nut anchor bolts (3) pass two nut anchor bolt holes (14) and screw up the bolt, reservation rim of a cup (8) inside is equipped with pea gravel concreten (9), pea gravel concreten (9) pass through pour hole (11) and pour.
2. An improved embedded steel column foot for steel columns with box sections according to claim 1, wherein: and an anchoring end plate (13) is fixedly arranged at the bottom of the double-nut anchor bolt (3).
3. An improved embedded steel column foot for steel columns with box sections according to claim 1, wherein: the double-nut anchor bolt (3) is embedded in the concrete base (7).
4. An improved embedded steel column foot for steel columns with box sections according to claim 1, wherein: the positions of the L-shaped steels (4) correspond to the corners of the box-shaped section column (1).
5. An improved embedded steel column foot for steel columns with box sections according to claim 1, wherein: the stud (6) is made of carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120629453.6U CN215106103U (en) | 2021-03-29 | 2021-03-29 | Improved embedded steel column base for steel column with box-shaped section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120629453.6U CN215106103U (en) | 2021-03-29 | 2021-03-29 | Improved embedded steel column base for steel column with box-shaped section |
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| CN215106103U true CN215106103U (en) | 2021-12-10 |
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| CN202120629453.6U Active CN215106103U (en) | 2021-03-29 | 2021-03-29 | Improved embedded steel column base for steel column with box-shaped section |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059188A (en) * | 2022-06-27 | 2022-09-16 | 国舜绿建科技有限公司 | Steel column structure used at corner of structural well, building and construction method |
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2021
- 2021-03-29 CN CN202120629453.6U patent/CN215106103U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059188A (en) * | 2022-06-27 | 2022-09-16 | 国舜绿建科技有限公司 | Steel column structure used at corner of structural well, building and construction method |
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