CN108532830B - Square-outside and round-inside spliced column and construction method thereof - Google Patents
Square-outside and round-inside spliced column and construction method thereof Download PDFInfo
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- CN108532830B CN108532830B CN201810358955.2A CN201810358955A CN108532830B CN 108532830 B CN108532830 B CN 108532830B CN 201810358955 A CN201810358955 A CN 201810358955A CN 108532830 B CN108532830 B CN 108532830B
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 135
- 239000010959 steel Substances 0.000 claims abstract description 135
- 238000005192 partition Methods 0.000 claims abstract description 21
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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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
- E04C3/32—Columns; Pillars; Struts of metal
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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
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Abstract
The invention relates to a square-outside and round-inside spliced column and a construction method thereof, belonging to the technical field of construction of building steel structures. The invention aims to reduce the problems caused by welding and bolt connection between columns and column connection, so that the splicing between columns is more efficient and reliable. The steel pipe column comprises a square steel pipe column formed by vertically splicing and fixing at least two framework units and a round steel pipe column component fixed in the square steel pipe column, wherein wedge-shaped grooves with T-shaped grooves are welded at each corner of the square steel pipe column; the round steel pipe column component comprises a round steel pipe column which is coaxial with the square steel pipe column, and four equilong steel partition plates which are vertically welded along the outer wall of the round steel pipe column, wherein the steel partition plates are mutually spaced, and the end parts of the steel partition plates are provided with T-shaped heads which are matched with the T-shaped grooves; the round steel pipe column is fixed by inserting the T-shaped joint of the steel clapboard into the T-shaped groove of the square steel pipe column. The invention has the advantages of high construction speed, simple operation, high construction quality, high industrialization degree and high overall stability.
Description
Technical Field
The invention relates to a square-outside and round-inside spliced column and a construction method thereof, belonging to the technical field of construction of building steel structures.
Background
With the continuous development of housing industrialization in China, the assembled structure becomes the main body of future building development. Compared with the traditional construction process such as welding and bolt connection, the prefabricated and assembled steel structure construction process can meet the requirements by adopting assembly connection, can obtain better mechanical property, is safe and reliable, has superior anti-seismic property and good energy-saving and heat-insulating properties, saves time and cost for the assembled steel structure in the construction process, and has wider application and development prospect.
However, high-rise buildings (as they exist) often have the following problems in column-to-column splicing and connection between inner and outer columns: (1) when welding connection is adopted, a series of problems such as low on-site welding construction quality, high altitude operation difficulty, insufficient working surface, electric spark problem, too much welding connection time consumption, requirement not favorable for quick construction and the like are usually faced; (2) when vertical load is too big, the connecting bolt that is used for splicing between the post is possible to break and causes the collapse of major structure.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an externally square and internally circular splicing column and a construction method thereof, aiming at reducing the problems caused by welding and bolt connection between columns and column connection and enabling the splicing between the columns to be more efficient and reliable.
The externally square and internally round spliced column comprises a square steel pipe column formed by vertically splicing and fixing at least two framework units and a circular steel pipe column component fixed in the square steel pipe column, wherein the circular steel pipe column component and the square steel pipe column are arranged in a 45-degree included angle; wedge-shaped grooves with T-shaped grooves are welded at each corner of the square steel pipe column; the round steel pipe column component comprises a round steel pipe column which is coaxial with the square steel pipe column, and four equilong steel partition plates which are vertically welded along the outer wall of the round steel pipe column, wherein the steel partition plates are mutually spaced, and the end parts of the steel partition plates are provided with T-shaped heads which are matched with the T-shaped grooves; the round steel pipe column is fixed by inserting a T-shaped head of the steel clapboard into a T-shaped groove of the square steel pipe column; at least the lowermost layer of skeleton units has a non-uniform vertical height dimension therebetween.
Preferably, the skeletal elements are L-shaped, channel-shaped or Jiong-shaped in cross-section.
Preferably, the left and right sides skeleton unit is in plug connection, and wherein one side sets up to the forked tail recess, and the opposite side sets up to the forked tail arch.
Preferably, at least one of the two ends of the skeleton unit is provided with a dovetail groove or a dovetail protrusion.
Preferably, a rubber ring is arranged between the upper and lower side framework units.
Preferably, the cross-section of the rubber ring is H-shaped, wherein the lower edge of the upper side framework unit is clamped into the upper groove of the rubber ring for fixation, and the upper edge of the lower side framework unit is clamped into the lower groove of the rubber ring for fixation.
Preferably the circular steel tubular column member is shaped in cross section with the steel barriers being spaced apart by 90 °.
Preferably, the concrete is filled between the square steel pipe column and the round steel pipe column member.
The construction method of the externally square and internally circular spliced column comprises the following steps:
the first step is as follows: splicing the lower framework unit into a bottommost square steel pipe column through the dovetail grooves and the dovetail bulges;
the second step is that: inserting the circular steel tube column into the spliced square steel tube column through the T-shaped head of the steel partition plate welded on the circular steel tube column, and ensuring that the circular steel tube column component is higher than the square steel tube column;
the third step: a rubber pad is arranged at the upper edge of the lower framework unit;
fourthly, splicing the framework units on the upper side with the circular steel tubular column component through the wedge-shaped groove;
fifthly, pouring concrete between the square steel pipe column and the round steel pipe column component;
and a sixth step: and splicing the outer square and inner circular spliced columns behind the second layer, and repeating the operation.
The invention has the beneficial effects that: (1) all components of the invention are prefabricated in factories, the component precision is high, and the wedge-shaped groove splicing has the advantages of high site construction speed, simple operation, high construction quality and high industrialization degree;
(2) the four steel partition plates on the internal round steel plate can connect the column with the column, and can connect the internal steel pipe column and the external steel pipe column into a whole, so that the overall stability of the whole structure is improved.
Drawings
Fig. 1 is one of perspective views of the present invention.
Fig. 2 is one of the top views of the present invention.
Fig. 3(a) is one of top views of the skeleton unit.
Fig. 3(b) is a second top view of the skeleton unit.
Fig. 3(c) is a third top view of the skeleton unit.
Fig. 4 is a perspective view of a circular steel tubular column member.
Figure 5 is a top view of a round steel tubular column member.
Fig. 6 is a second perspective view of the present invention.
Fig. 7 is a second top view of the present invention.
Fig. 8 is a third perspective view of the present invention.
Fig. 9 is a third top view of the present invention.
In the figure: 1. a square steel pipe column; 2. round steel pipe columns; 3. a steel separator plate; 4. concrete; 5. a wedge-shaped groove; 6. a rubber ring; 7. dovetail grooves; 8. a T-shaped head.
Detailed Description
In order to make the object and technical solution of the present invention more apparent, the present invention will be further described in detail with reference to the following examples.
Example 1:
as shown in fig. 1 and 2, the externally square and internally circular spliced column of the invention comprises a square steel pipe column 1 formed by vertically splicing and fixing at least two framework units, and a circular steel pipe column member fixed in the square steel pipe column 1, wherein the circular steel pipe column member and the square steel pipe column 1 are arranged at an included angle of 45 degrees; wedge-shaped grooves 5 with T-shaped grooves are welded at each corner of the square steel pipe column 1; the round steel pipe column component comprises a round steel pipe column 2 coaxially arranged with the square steel pipe column 1, and four equilong steel partition plates 3 vertically welded along the outer wall of the round steel pipe column 2, wherein the steel partition plates 3 are mutually spaced, and the end parts of the steel partition plates are provided with T-shaped heads 8 matched with the T-shaped grooves; the round steel pipe column 2 is fixed by inserting the T-shaped head 8 of the steel clapboard 3 into the T-shaped groove of the square steel pipe column 1; at least the lowermost layer of skeleton units has a non-uniform vertical height dimension therebetween.
A rubber ring 6 is arranged between the upper and lower side framework units. And rubber rings 6 are arranged at the connecting positions between the external square steel pipe columns 1 to prevent the concrete 4 from leaking. The cross-section of rubber circle is H shape, and wherein the lower limb card of upside skeleton unit is gone into the upper groove internal fixation of rubber circle, and the upper limb card of downside skeleton unit is gone into the lower groove internal fixation of rubber circle.
The section of the round steel pipe column 2 component is shaped, and the steel partition plates 3 are arranged at intervals of 90 degrees.
And concrete 4 is filled between the components of the square steel pipe column 1 and the round steel pipe column 2.
Example 2:
the cross sections of the framework units can be various, and the square steel pipe column 1 can also be formed by splicing various framework units.
For example, as shown in fig. 3(a), the frame unit has an L-shaped cross section, and as shown in fig. 1 and 2, the square steel pipe column 1 is formed by splicing four frame units having L-shaped cross sections.
As shown in fig. 3(b), the skeletal unit has a channel-shaped cross section. As shown in fig. 6 and 7, the square steel pipe column 1 is formed by splicing two framework units having a groove-shaped cross section.
As shown in fig. 3(c), the frame unit has a cross section of Jiong, and as shown in fig. 8 and 9, the square steel pipe column 1 is formed by splicing a frame unit having a cross section of L and a frame unit having a cross section of Jiong.
Example 3:
the vertical height sizes of the left side and the right side of the framework unit can be consistent or inconsistent.
For example, a plurality of skeleton units are embodied in a perspective view as shown in fig. 1, wherein among skeleton units of a lower layer, the vertical height dimension of the leftmost skeleton unit and the rightmost skeleton unit is smaller than that of the skeleton unit of the middle side; in the same way, in the skeleton units on the upper layer, the vertical height sizes of the skeleton units on the leftmost side and the rightmost side are larger than the vertical height size of the skeleton unit on the middle side. Therefore, the lower layer and the upper layer of square framework units are matched to form a complete square steel pipe column 1.
A plurality of skeleton units are integrated in the perspective view shown in fig. 6, wherein, in the skeleton units at the lower layer, the vertical height dimension at the left side is larger than that at the right side; similarly, in the skeleton unit of the upper layer, the vertical height dimension of the left side is smaller than that of the right side. Therefore, the lower layer and the upper layer of square framework units are matched to form a complete square steel pipe column 1.
A plurality of frame units are integrated in the perspective view shown in fig. 8, wherein, in the frame units at the lower layer, the vertical height dimension at the left side is smaller than that at the right side; similarly, in the skeleton unit of the upper layer, the vertical height dimension of the left side is larger than that of the right side. Therefore, the lower layer and the upper layer of square framework units are matched to form a complete square steel pipe column 1.
Example 4:
the framework units on the left side and the right side are connected in an inserted manner, wherein one side of each framework unit is provided with a dovetail groove 7, and the other side of each framework unit is provided with a dovetail protrusion. At least one of the two ends of the framework unit is provided with a dovetail groove 7 or a dovetail protrusion.
The shape of the end projections or recesses of the frame elements is varied, and is not limited to the dovetail structure described above. For example, T-shapes, polygonal shapes, rhomboidal shapes, elliptical shapes, etc. are also possible.
Example 5:
the external square steel pipe is prefabricated in a component factory and spliced by the wedge-shaped groove 5 on site; the internal circular steel tube and the four partition plates on the internal circular steel tube play a role of a connecting piece in the connection process of the column and the column, the lower square steel tube column 1 is connected with the wedge-shaped groove 5 on the internal partition plate through the wedge-shaped groove 5, and the upper square steel tube column 1 is inserted and connected. The connection of outside post, concatenation between post and the connection of interior outer post all adopt the mode of wedge-shaped groove 5 grafting, can avoid the above-mentioned problem that causes because of welding or bolted connection.
The construction method of the externally square and internally circular spliced column comprises the following steps:
the first step is as follows: splicing the lower framework unit into a bottommost square steel pipe column 1 through the dovetail grooves 7 and the dovetail protrusions;
the second step is that: inserting the round steel pipe column 2 into the spliced square steel pipe column 1 through the T-shaped head 8 of the steel partition plate 3 welded on the round steel pipe column, and ensuring that the round steel pipe column 2 component is higher than the square steel pipe column 1;
the third step: a rubber pad is arranged at the upper edge of the lower framework unit;
fourthly, splicing the framework units on the upper side with the round steel pipe column 2 through a wedge-shaped groove 5;
fifthly, pouring concrete 4 between the square steel pipe column 1 and the round steel pipe column 2;
and a sixth step: and splicing the outer square and inner circular spliced columns behind the second layer, and repeating the operation.
All components are prefabricated in factories, the component precision is high, and the splicing of the wedge-shaped grooves 5 has the advantages of high site construction speed, simple operation, high construction quality and high industrialization degree; the four steel partition plates 3 on the internal round steel plate can connect the column with the column, and can also connect the internal steel pipe column and the external steel pipe column into a whole, so that the overall stability of the whole structure is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The externally square and internally round spliced column is characterized by comprising a square steel pipe column (1) formed by vertically splicing and fixing at least two framework units and a circular steel pipe column component fixed in the square steel pipe column (1), wherein the circular steel pipe column component and the square steel pipe column (1) are arranged at an included angle of 45 degrees; wedge-shaped grooves (5) with T-shaped grooves are welded at each corner of the square steel pipe column (1); the round steel pipe column component comprises a round steel pipe column (2) which is coaxial with the square steel pipe column (1), and four equilong steel partition plates (3) which are vertically welded along the outer wall of the round steel pipe column (2), wherein the steel partition plates (3) are mutually spaced, and the end parts of the steel partition plates are provided with T-shaped heads (8) matched with the T-shaped grooves; the round steel pipe column (2) is inserted into a T-shaped groove of the square steel pipe column (1) through a T-shaped head (8) of the steel partition plate (3) and fixed; at least the vertical height dimension between the lowest layer of skeleton units is inconsistent;
the section of the skeleton unit is L-shaped, groove-shaped or Jiong-shaped;
the left and right side framework units are connected in an inserted manner, wherein one side is provided with a dovetail groove (7), and the other side is provided with a dovetail protrusion;
at least one of the two ends of the framework unit is provided with a dovetail groove (7) or a dovetail protrusion.
2. The column of claim 1, wherein a rubber ring (6) is installed between the upper and lower side frame units.
3. The square-outside and round-inside splicing column as claimed in claim 2, wherein the cross section of the rubber ring (6) is H-shaped, wherein the lower edge of the upper side framework unit is clamped into the upper groove of the rubber ring (6) for fixation, and the upper edge of the lower side framework unit is clamped into the lower groove of the rubber ring (6) for fixation.
4. A square or round split column as claimed in claim 1 wherein the cylindrical steel tubular member is shaped in cross section and the steel spacers (3) are spaced apart by 90 °.
5. The outside-round and inside-round spliced column as claimed in claim 1, wherein concrete (4) is filled between the square steel tubular column (1) and the circular steel tubular column member.
6. A construction method of the externally square and internally circular spliced column according to any one of claims 1 to 5, characterized by comprising the following steps:
the first step is as follows: splicing the lower framework unit into a square steel pipe column (1) at the bottommost layer through a dovetail groove (7) and a dovetail bulge in an inserting manner;
the second step is that: inserting the round steel pipe column (2) into the spliced square steel pipe column (1) through the T-shaped head (8) of the steel partition plate (3) welded on the round steel pipe column to ensure that the round steel pipe column component is higher than the square steel pipe column (1);
the third step: a rubber pad is arranged at the upper edge of the lower framework unit;
fourthly, splicing the framework units on the upper side with the circular steel tubular column component through a wedge-shaped groove (5);
fifthly, pouring concrete (4) between the square steel pipe column (1) and the round steel pipe column component;
and a sixth step: and splicing the outer square and inner circular spliced columns behind the second layer, and repeating the operation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810358955.2A CN108532830B (en) | 2018-04-20 | 2018-04-20 | Square-outside and round-inside spliced column and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810358955.2A CN108532830B (en) | 2018-04-20 | 2018-04-20 | Square-outside and round-inside spliced column and construction method thereof |
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| CN108532830A CN108532830A (en) | 2018-09-14 |
| CN108532830B true CN108532830B (en) | 2020-08-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109083281A (en) * | 2018-10-21 | 2018-12-25 | 王琪 | A kind of steel construction with concrete structure |
| CN111535505B (en) * | 2020-04-28 | 2022-02-15 | 华南理工大学 | Hollow steel tube concrete column with arc-shaped inner steel tube |
| CN113756360A (en) * | 2021-09-28 | 2021-12-07 | 湖南大学 | Connection structure of column and foundation based on groove type UHPC splicing member and manufacturing method thereof |
| CN114703965B (en) * | 2022-06-06 | 2022-08-26 | 中国船舶重工集团国际工程有限公司 | Steel structure quick-insertion connection node assembly and installation process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2179887Y (en) * | 1993-12-25 | 1994-10-19 | 范国柱 | Corner column structure |
| CN201581554U (en) * | 2009-08-02 | 2010-09-15 | 程义 | Novel concrete post structure |
| CN202831402U (en) * | 2012-08-13 | 2013-03-27 | 刘成建 | Concrete filled steel tubular column with inner-connected circular pipe and outer-sleeved concrete filled steel tube |
| CN102912975B (en) * | 2012-10-31 | 2016-04-27 | 常州市固邦复合材料科技有限公司 | A kind of mutual buckle type can assembled anti-cracking and seepage control permanent column shuttering |
| WO2015096817A1 (en) * | 2013-12-27 | 2015-07-02 | 陈星耕 | Novel integrated housing assembly-type columnar profile assembly |
| CN103899040B (en) * | 2014-04-02 | 2016-01-27 | 哈尔滨工程大学 | A kind of FRP puts more energy into concrete filled steel tube coupled column |
| CN204435674U (en) * | 2015-02-05 | 2015-07-01 | 福建剑源木塑科技有限公司 | A kind of pin-connected panel column |
| CN204728582U (en) * | 2015-03-15 | 2015-10-28 | 北京工业大学 | Odd-shaped cross section multi-cavity steel tube built-in concrete filled steel tube combined huge size post |
| CN105369982A (en) * | 2015-12-07 | 2016-03-02 | 文登蓝岛建筑工程有限公司 | 3D modular circular column for building |
| CN207063324U (en) * | 2016-12-30 | 2018-03-02 | 河南奥斯派克科技有限公司 | There are concavo-convex U-steel and its internal connection coupled column in corner |
| CN206859516U (en) * | 2017-05-10 | 2018-01-09 | 李新华 | Column and construction set for building |
| CN206800795U (en) * | 2017-06-08 | 2017-12-26 | 武汉大学 | A kind of hollow multi-cavity steel tube concrete post |
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