CN112900749A - Cross-shaped honeycomb steel rib rectangular section combined column and manufacturing method thereof - Google Patents
Cross-shaped honeycomb steel rib rectangular section combined column and manufacturing method thereof Download PDFInfo
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- CN112900749A CN112900749A CN202110095473.4A CN202110095473A CN112900749A CN 112900749 A CN112900749 A CN 112900749A CN 202110095473 A CN202110095473 A CN 202110095473A CN 112900749 A CN112900749 A CN 112900749A
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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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- 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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Abstract
The utility model provides a cross honeycomb reinforcing bar rectangular cross section combination column, includes hollow column and concrete, and the lateral wall of hollow column is linked to each other in turn by the edge of a wing, the corrugated steel board and the angle steel of cross honeycomb reinforcing bar and encloses, and cross honeycomb reinforcing bar includes two webs of cross, and the web both sides have the edge of a wing, have the hole array on the web, and the concrete packing is in hollow column, and the web of cross is located the concrete. The angle steel is located the both sides of lateral wall, and the edge of a wing is located the middle part of lateral wall, and corrugated steel plate is located the angle steel and states between the edge of a wing. The concrete combination column with the cross-shaped honeycomb steel rib and the rectangular cross section has the advantages that the core concrete is in a multidirectional compression state due to the hoop effect of the external steel pipes on the core concrete, the compressive strength and the deformation capacity of the core concrete are improved, meanwhile, the external corrugated steel plates are different from straight steel plates and do not directly bear vertical loads, and the bearing capacity and the stability of the combination column are further improved by improving lateral restraint.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a cross-shaped honeycomb steel rib rectangular section combined column and a manufacturing method thereof.
Background
Along with the rapid development of cities and the frequent occurrence of natural disasters, buildings gradually develop towards large spaces and super high-rise buildings, and people pay more and more attention to the structural requirements of the buildings. The bearing column is always the main stressed member of a building and determines whether the building collapses under the action of an earthquake. It is therefore required that the column should meet good load bearing and ductility requirements at high axial compression ratios.
The steel tube reinforced concrete structure integrates the advantages of a steel tube concrete column and a steel reinforced concrete column, further optimizes the stress performance of the column and meets the development requirements of modern structures. The common steel reinforced concrete structure has some disadvantages, such as time and labor consuming for binding steel bars, high formwork cost, high steel content of solid steel, etc. Therefore, the steel pipe concrete structure and the steel reinforced concrete structure are combined, so that excellent bearing capacity, strong earthquake resistance, good impact resistance and good corrosion resistance can be exerted.
Disclosure of Invention
[ problem ] to
The technical problem of the invention is as follows: the existing steel rib concrete structure binding steel bar wastes time and labor, the formwork supporting cost is high, the solid steel rib steel content is high, and the like.
[ solution ]
The invention aims to provide a cross-shaped honeycomb steel rib rectangular section combined column with low construction difficulty, short construction period and good ductility and a manufacturing method thereof, so as to better meet the requirements of design and construction of practical high-rise and super high-rise building structures and large-span public buildings.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the utility model provides a cross honeycomb reinforcing bar rectangular section combination column, the cross section of combination column is the rectangle, and the combination column includes hollow cylinder and concrete, and the lateral wall of hollow cylinder is linked together in turn by the edge of a wing, the ripple steel sheet and the angle steel of cross honeycomb reinforcing bar and is enclosed, and cross honeycomb reinforcing bar includes two webs that become the cross, and the web both sides have the edge of a wing, have the hole array on the web, and the concrete packing is in hollow cylinder, and the web that the cross is located the concrete.
Furthermore, the angle steel is located on two sides of the side wall, the flange is located in the middle of the side wall, and the corrugated steel plate is located between the angle steel and the flange.
Furthermore, the flanges are provided with turned edges, the angle steel is also provided with turned edges, and two sides of the corrugated steel plate are respectively welded on the turned edges of the flanges and the angle steel.
Furthermore, the wave height of the corrugated steel plate is 15-25 mm.
Furthermore, the wave thickness of the corrugated steel plate is 1-3 mm.
Furthermore, the intersection of the webs is the middle part of the two webs.
Furthermore, the flanges are perpendicular to the web, and the fixing position of the flanges and the web is the middle of the flanges.
Furthermore, each web plate is respectively provided with two rows of hole arrays which are symmetrically distributed in a cross mode relative to the cross.
Further, the holes are circular, oval, transverse oblong, vertical octagon, transverse octagon, rectangular hexagon or octagon.
The invention also provides a manufacturing method of the cross-shaped honeycomb steel rib rectangular section combined column, which comprises the following steps:
s1: prefabricating a corrugated steel plate, angle steel and a cross-shaped honeycomb steel rib in a factory, and welding the corrugated steel plate, the angle steel and the cross-shaped honeycomb steel rib into a prefabricated hollow cylinder for later use;
s2: transporting the hollow column to a construction site, and positioning and installing; concrete is filled in the hollow column body, and the cross-shaped honeycomb steel rib concrete composite column with the rectangular section is formed after curing and forming.
[ advantageous effects ]
Compared with the prior art, the invention has the following beneficial effects:
superior load bearing capacity. The concrete combined column with the cross-shaped honeycomb steel rib and the rectangular cross section has the advantages that the core concrete is in a multidirectional compression state due to the hoop effect of the external steel pipes on the core concrete, the compressive strength and the deformation capacity of the core concrete are improved, meanwhile, the external corrugated steel plates are different from straight steel plates and do not directly bear vertical loads, and the bearing capacity of the combined column is further improved by improving lateral restraint.
The stability is good. The concrete is filled inside, so that the steel pipe and the steel rib can be prevented from being bent too early, and the overall stability is enhanced.
The shock resistance is good. The internal steel ribs delay or inhibit the generation of the internal shear inclined cracks of the concrete, and the seismic performance of the member is improved.
The construction cost is low. The steel outside the combined column replaces a template, the formwork supporting cost is reduced, the honeycomb steel rib replaces a solid web type steel rib, the steel consumption is reduced, the construction cost is reduced, and the margin of the shear strength can be ensured.
The construction period and the difficulty are reduced. The steel pipe and steel rib combined column framework can be prefabricated in a factory, concrete pouring is carried out on the steel pipe and steel rib combined column framework in a construction site, the construction period is greatly reduced, meanwhile, the complex work that field construction personnel bind steel bars is avoided, and the construction difficulty is reduced.
Drawings
FIG. 1 is a schematic column cross-sectional view of a cross-shaped honeycomb steel rib rectangular cross-section concrete composite column of the present invention;
FIG. 2 is a perspective view of a cross-shaped honeycomb steel rib rectangular section concrete composite column of the present invention;
FIG. 3 is a schematic view of a cross-shaped honeycomb steel rib rectangular section concrete composite column;
FIG. 4 is a schematic perspective view of a hollow cylinder manufactured by a steel structure processing plant in example 2 of the present invention;
in fig. 1-4: 1, cross-shaped honeycomb steel ribs; 1-1 web; 1-2 hole arrays; 1-3 flanges; 2, corrugated steel plates; 3, angle steel; 4 concrete.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1-3, the cross section of the combined column is square, the combined column comprises a hollow column body and concrete 4, each side wall of the hollow column body is formed by alternately connecting flanges 1-3 of a cross honeycomb steel rib 1, a corrugated steel plate 2 and angle steel 3, wherein the angle steel 3 is positioned on two sides of the side wall, the flanges 1-3 are positioned in the middle of the side wall, and the corrugated steel plate 2 is positioned between the angle steel 3 and the flanges 1-3. The flanges 1-3 are provided with turned edges, the angle steel 3 is also provided with turned edges, and two sides of the corrugated steel plate 2 are respectively welded on the flanges 1-3 and the turned edges of the angle steel 3. The crossed honeycomb steel rib 1 comprises two webs 1-1 which are crossed in a cross mode, flanges 1-3 are arranged on two sides of each web 1-1, a hole array 1-2 is arranged on each web 1-1, concrete 4 is filled in a hollow column, and the crossed webs 1-1 are located in the concrete 4.
The cross-shaped intersection of the webs 1-1 is the middle of the two webs 1-1. The flange 1-3 is vertical to the web 1-1, and the fixed position of the flange 1-3 and the web 1-1 is the middle part of the flange 1-3. Each web plate is provided with two rows of hole arrays 1-2, and the two rows of hole arrays 1-2 are distributed symmetrically relative to the cross. The holes are circular, oval, transverse oblong, vertical octagonal, transverse octagonal, rectangular hexagonal or octagonal.
The strength grade of the corrugated steel plate 2 is HRB300, HRB335, HRB400 or HRB500, the wave height is 15-25 mm, and the wave thickness is 1-3 mm. During actual processing, the strength, wave height and wave thickness of the corrugated plate can be selected according to specific actual conditions.
The manufacturing method of the cross-shaped honeycomb steel rib rectangular section combined column comprises the following steps:
s1: manufacturing a corrugated steel plate 2, angle steel 3 and a cross-shaped honeycomb steel skeleton 1 in a factory, and welding the corrugated steel plate 2, the angle steel 3 and the cross-shaped honeycomb steel skeleton 1 into a prefabricated hollow cylinder for later use;
s2: transporting the hollow column to a construction site, and positioning and installing; concrete is filled in the hollow column body, and the cross-shaped honeycomb steel rib concrete composite column with the rectangular section is formed after curing and forming.
The concrete combined column with the cross-shaped honeycomb steel rib and the rectangular cross section has the advantages that the core concrete is in a multidirectional compression state due to the hoop effect of the external steel pipes on the core concrete, the compressive strength and the deformation capacity of the core concrete are improved, meanwhile, the external corrugated steel plates are different from straight steel plates and do not directly bear vertical loads, and the bearing capacity of the combined column is further improved by improving lateral restraint. The concrete is filled inside, so that the steel pipe and the steel rib can be prevented from being bent too early, and the overall stability is enhanced. The internal steel ribs delay or inhibit the generation of the internal shear inclined cracks of the concrete, and the seismic performance of the member is improved. The steel outside the combined column replaces a template, the formwork supporting cost is reduced, the honeycomb steel rib replaces a solid web type steel rib, the steel consumption is reduced, the construction cost is reduced, and the margin of the shear strength can be ensured. The construction period and the difficulty are reduced. The steel pipe and steel rib combined column framework can be prefabricated in a factory, concrete pouring is carried out on the steel pipe and steel rib combined column framework in a construction site, the construction period is greatly reduced, meanwhile, the complex work that field construction personnel bind steel bars is avoided, and the construction difficulty is reduced.
Patent CN105133792A discloses a steel reinforced concrete cross-shaped column with a honeycomb web and a construction method thereof, compared with the steel reinforced concrete cross-shaped column (this patent for short), the cross-shaped honeycomb steel rib rectangular section concrete combination column (this invention for short) of the invention has the following advantages:
the combined column disclosed by the patent is a special-shaped column with a cross-shaped section, while the combined column disclosed by the invention is a rectangular section, so that the combined column is wider in application range and better in anti-seismic performance. The invention relates to a concrete column, in particular to a concrete column, which is characterized in that a closed profiled steel plate is adopted as concrete cladding steel to press the concrete in three directions, but the wall thickness ratio b/t limit value of a rectangular steel tube concrete frame column specified in 'composite structure design specifications' can cause the wall thickness of the steel tube column to be thicker, so that the profiled steel plate in the patent has larger thickness and large steel consumption. In addition, the steel pipe internal placement cross-shaped steel reinforced concrete combination column in this patent, the invention utilizes the cross-shaped honeycomb reinforcing bar characteristic, expand the edge of a wing of the cross-shaped honeycomb reinforcing bar to the edge of the combination steel pipe, regard it as a part of the combination steel pipe, the reinforcing bar and steel pipe combined action on the whole, the edge of a wing of the cross-shaped honeycomb reinforcing bar plays the steel pipe role, exert the lateral restraint to the concrete, the cross steel sheet can better play and take place the bonding with the concrete, prevent the effect that the concrete rises the mould, make the concrete flow through the wholeness better, the atress is more even. According to the invention, the angle steel with the turned edge is utilized, the corrugated steel plate is connected with the cross honeycomb steel rib with the turned edge at the flange in a welding manner, the integrity is stronger during concrete pouring, the concrete in the large cavity is communicated with the concrete in the angle steel to form a whole, and the turned edges of the angle steel and the cross honeycomb steel rib can play a role in anchoring in the concrete.
Example 2
As shown in fig. 4, a cross-shaped honeycomb steel rib combined column with a rectangular cross section is different from that of embodiment 1 in that the lengths of two webs are different, the hole arrays on the two webs are also adjusted, the cross-shaped honeycomb steel rib is a structure of the rest parts of unequal-limb cross-shaped steel ribs, and the connection relation and the manufacturing process are the same as those of embodiment 1.
In addition, other dimensions of the integrated column may also be varied as desired.
The scope of the present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements, etc. that can be made by those skilled in the art within the spirit and principle of the inventive concept should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a cross honeycomb reinforcing bar rectangular section combination column, its characterized in that, the cross section of combination column is the rectangle, and the combination column includes hollow cylinder and concrete, and the lateral wall of hollow cylinder is linked together in turn by the edge of a wing, the ripple steel sheet and the angle steel of cross honeycomb reinforcing bar and is enclosed, and cross honeycomb reinforcing bar includes two webs that become the cross, and the web both sides have the edge of a wing, have the hole array on the web, and the concrete is packed in hollow cylinder, and the web that the cross is located the concrete.
2. The combined column of claim 1, wherein the angle steel is located on two sides of the side wall, the flange is located in the middle of the side wall, and the corrugated steel plate is located between the angle steel and the flange.
3. The combined column of claim 2, wherein the flanges are provided with beads, the angle steel is provided with beads, and two sides of the corrugated steel plate are welded to the beads of the flanges and the angle steel respectively.
4. The combined column of claim 3, wherein the corrugated steel plate has a wave height of 15-25 mm.
5. The combined column of claim 3, wherein the corrugated steel plate has a wave thickness of 1-3 mm.
6. The combined column of claim 1, wherein the intersection of the two webs is the middle of the two webs.
7. The combined column of claim 1, wherein the flanges are perpendicular to the web, and the fixing place of the flanges and the web is the middle of the flanges.
8. A cross-shaped honeycomb steel skeleton rectangular section combined column according to any one of claims 1 to 7, wherein each web has two rows of hole arrays, and the two rows of hole arrays are symmetrically distributed with respect to the cross.
9. The cross-shaped honeycomb steel skeleton rectangular cross-section combined column as claimed in any one of claims 1 to 7, wherein the holes are circular, oval, horizontally oblong, vertically octagonal, horizontally octagonal, oblong hexagonal or octagonal.
10. A manufacturing method of a cross-shaped honeycomb steel rib rectangular section combined column is characterized by comprising the following steps:
s1: prefabricating a corrugated steel plate, angle steel and a cross-shaped honeycomb steel rib in a factory, and welding the corrugated steel plate, the angle steel and the cross-shaped honeycomb steel rib into a prefabricated hollow cylinder for later use;
s2: transporting the hollow column to a construction site, and positioning and installing; concrete is filled in the hollow column body, and the cross-shaped honeycomb steel rib concrete composite column with the rectangular section is formed after curing and forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110095473.4A CN112900749A (en) | 2021-01-25 | 2021-01-25 | Cross-shaped honeycomb steel rib rectangular section combined column and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110095473.4A CN112900749A (en) | 2021-01-25 | 2021-01-25 | Cross-shaped honeycomb steel rib rectangular section combined column and manufacturing method thereof |
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| CN112900749A true CN112900749A (en) | 2021-06-04 |
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| CN202110095473.4A Pending CN112900749A (en) | 2021-01-25 | 2021-01-25 | Cross-shaped honeycomb steel rib rectangular section combined column and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530082A (en) * | 2021-07-05 | 2021-10-22 | 浙江工业大学 | Outsourcing honeycomb channel steel combination beam and manufacturing method of regular hexagon honeycomb channel steel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977149A (en) * | 1975-03-28 | 1976-08-31 | The United States Of America As Represented By The Secretary Of The Navy | Multipurpose construction panel |
| CN2797485Y (en) * | 2005-05-19 | 2006-07-19 | 沈阳建筑大学 | Honeycomb steel skeleton concrete column |
| CN106049758A (en) * | 2016-07-20 | 2016-10-26 | 广西大学 | Aluminum alloy pipe concrete composite column with internal restraining plate |
| CN206144030U (en) * | 2016-10-14 | 2017-05-03 | 中建八局第三建设有限公司 | A variable cross section steel construction for reinforcing bar concrete |
| CN107740539A (en) * | 2017-09-21 | 2018-02-27 | 华侨大学 | A kind of rectangular profile corrugated steel concrete combination column |
-
2021
- 2021-01-25 CN CN202110095473.4A patent/CN112900749A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977149A (en) * | 1975-03-28 | 1976-08-31 | The United States Of America As Represented By The Secretary Of The Navy | Multipurpose construction panel |
| CN2797485Y (en) * | 2005-05-19 | 2006-07-19 | 沈阳建筑大学 | Honeycomb steel skeleton concrete column |
| CN106049758A (en) * | 2016-07-20 | 2016-10-26 | 广西大学 | Aluminum alloy pipe concrete composite column with internal restraining plate |
| CN206144030U (en) * | 2016-10-14 | 2017-05-03 | 中建八局第三建设有限公司 | A variable cross section steel construction for reinforcing bar concrete |
| CN107740539A (en) * | 2017-09-21 | 2018-02-27 | 华侨大学 | A kind of rectangular profile corrugated steel concrete combination column |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530082A (en) * | 2021-07-05 | 2021-10-22 | 浙江工业大学 | Outsourcing honeycomb channel steel combination beam and manufacturing method of regular hexagon honeycomb channel steel |
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Application publication date: 20210604 |
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