CN112709371A - Method for manufacturing special-shaped column of inner support steel structure - Google Patents
Method for manufacturing special-shaped column of inner support steel structure Download PDFInfo
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- CN112709371A CN112709371A CN201911021580.1A CN201911021580A CN112709371A CN 112709371 A CN112709371 A CN 112709371A CN 201911021580 A CN201911021580 A CN 201911021580A CN 112709371 A CN112709371 A CN 112709371A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 61
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000010410 layer Substances 0.000 claims description 89
- 238000003466 welding Methods 0.000 claims description 44
- 230000000452 restraining effect Effects 0.000 claims description 24
- 239000004567 concrete Substances 0.000 claims description 22
- 238000005498 polishing Methods 0.000 claims description 21
- 239000011241 protective layer Substances 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000003351 stiffener Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 238000005536 corrosion prevention Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007921 spray Substances 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
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
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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 discloses a method for manufacturing an inner support steel structure special-shaped column, which belongs to the technical field of steel structure engineering, and better solves the problem of poor anti-distortion performance of the existing steel structure column under high axial pressure ratio by utilizing a self-complete inner support outer closed structure form, and is characterized by comprising the following technical steps: the inner support steel structure special-shaped column comprises a middle column, side columns and corner columns, wherein a plurality of side columns are horizontally arranged at the edge of a building.
Description
Technical Field
The invention relates to the technical field of steel structure engineering, in particular to a method for manufacturing an inner support steel structure special-shaped column.
Background
The existing commonly used cross-shaped steel structure column has no weak shaft, and has better bending bearing capacity, ductility and earthquake-resistant bearing capacity; but the torsion resistance is poorer than that of a round pipe and a box-shaped steel structure column, and the deformation is fast particularly under high axial pressure ratio.
Therefore, the cross-shaped steel structure column generally needs to be combined with reinforced concrete to have better stress performance (the strength of the concrete wrapped outside the cross-shaped steel structure column is improved, the reinforcement ratio of stirrups is increased, the strength of the stirrups is improved, and the like, so that the peak load of the cross-shaped steel structure column can be increased, the deformation resistance is enhanced, the axial compression ratio is increased, and the bearing capacity and the plastic deformation capacity are improved).
Disclosure of Invention
The invention aims to provide a method for manufacturing an inner support steel structure special-shaped column, which aims to solve the problem that the existing steel structure column (a cross column is not closed, and a box-type or round column is not provided with an inner support) is poor in anti-distortion performance under a high axial pressure ratio.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for manufacturing an inner support steel structure special-shaped column comprises the following steps:
s1, assembling each column body in the inner support steel structure special-shaped column, wherein the inner support steel structure special-shaped column comprises a middle column, side columns and corner columns, the periphery of the middle column is connected with a plurality of middle columns, a plurality of side columns are horizontally arranged at the edge part of a building, the corner columns for connecting the middle column and the side columns are arranged between the side columns, the middle column and the middle column, the middle column and the side columns and the corner columns are connected through H-shaped steel beams and supported and reinforced through scissors, a middle column supporting component is arranged in the middle column, the side column supporting component is arranged in the side column, and the corner column supporting component is arranged in the;
the center pillar support assembly comprises a center pillar flange restraining plate, a center pillar flange plate, a center pillar inner support web plate and a center pillar inner horizontal direction support stiffening plate, wherein the center pillar inner support web plate is arranged in a cross mode, one of the center pillar inner support web plates is a full-length support web plate, and the other center pillar inner support web plate is welded on two sides of the full-length support web plate after the middle of the center pillar inner support web plate is disconnected;
the side column supporting assembly comprises a side column flange constraining plate, side column plates, side column flange plates, side column inner supporting webs and side column inner horizontal direction supporting stiffening plates, wherein the long edge of the outer wall of the side column is set to be the side column plate, the side column flange constraining plates and the side column flange plates are arranged in a staggered mode, the side column inner supporting webs are also arranged in the side column in the vertical direction, and a plurality of side column inner horizontal direction supporting stiffening plates are arranged on two sides of the side column inner supporting webs;
the corner post supporting assembly comprises a corner post flange restraining plate, a corner post flange plate and a corner post inner horizontal direction supporting stiffening plate, the corner post plate forms two right-angle sides of the corner post, the corner post flange restraining plate and the corner post flange plate are arranged on the outer side of the corner post in a staggered mode, and a plurality of corner post inner horizontal direction supporting stiffening plates are arranged in an inner cavity of the corner post;
s2, manufacturing of the center pillar:
s201, firstly, blanking an inner support web plate and a middle column flange plate of a column according to a cross column process method and manufacturing steps, and assembling and welding to manufacture a cross column component;
s202, blanking a flange restraint plate of the center column and a stiffening plate horizontally supported in the center column, welding the stiffening plate horizontally supported in the center column at a corresponding position in a cross column component, filling lightweight concrete in a cavity of the center column, completely drying, and then welding the flange restraint plate of the center column between adjacent flange plates (note that the flange restraint plate in the vertical direction is broken when meeting the stiffening plate horizontally supported and is welded outside), so as to form a totally-closed center column structure;
s203, coating five times of fireproof protection layers on the outer wall of the center pillar, performing press polishing on each time by using a trowel, wherein the thickness of each fireproof protection layer is not more than 5mm, and manufacturing the next layer after the fireproof protection layers are fully dried;
s204, finally spraying three times of cylindrical surface protective layers on the outer sides of the column fireproof protective layers, performing press polishing on each time by using a trowel, wherein the thickness of each layer of cylindrical surface protective layer is not more than 5mm, and manufacturing the next layer after the cylindrical surface protective layers are fully dried;
s3, manufacturing side columns:
s301, firstly welding two side column flange plates at two ends of a side column plate, and welding a T-shaped side column inner vertical support web plate with one end provided with the flange plate at the inner side of the side column plate;
s302, welding stiffening plates in the horizontal direction of the side column between the side column flange plates and the side column plate and the two sides of the vertical support web plate in the side column, filling lightweight concrete in a cavity of the side column, and welding side column flange restraining plates at opening parts on two outer sides of the side column flange plates (note that the vertical flange restraining plates are broken when meeting the horizontal support stiffening plates and are welded at the outer parts) to form a totally-closed side column structure;
s303, coating five times of fireproof protection layers on the outer sides of the side columns, performing press polishing on each time by using a trowel, wherein the thickness of each fireproof protection layer is not more than 5mm, and manufacturing the next layer after the fireproof protection layers are fully dried;
s304, finally spraying three times of cylindrical surface protection layers on the outer sides of the column fireproof protection layers, performing press polishing on each time by using a trowel, wherein the thickness of each cylindrical surface protection layer is not more than 5mm, and manufacturing the next layer after full drying;
s4, manufacturing corner posts;
s401, respectively welding two flange plates on two corner column plates of a corner column to form two L-shaped components, and welding the two L-shaped components oppositely and simultaneously to form the corner column component;
s402, welding horizontal supporting stiffening plates between two corner post flange plates of a corner post component and the corner post plate, filling lightweight concrete in a cavity of a corner post to be completely dried, and welding corner post flange restraining plates at opening positions on two outer sides of the corner post flange plates (note that the vertical flange restraining plates are broken when meeting the horizontal supporting stiffening plates and are welded at the outer parts) to form a fully-closed corner post structure;
s403, coating five times of fireproof protection layers on the outer sides of the corner posts, performing press polishing on each time by using a trowel, wherein the thickness of each fireproof protection layer is not more than 5mm, and manufacturing the next layer after the fireproof protection layers are fully dried;
s404, finally spraying three times of cylindrical surface protection layers on the outer sides of the column fireproof protection layers, performing press polishing on each time by using a trowel, wherein the thickness of each cylindrical surface protection layer is not more than 5mm, and manufacturing the next layer after full drying;
as a further scheme of the invention: in step S1, the center pillar flange restraining plate and the center pillar flange plate have the same thickness, the side pillar flange restraining plate, the side pillar plate and the side pillar flange plate have the same thickness, and the corner pillar flange restraining plate, the corner pillar plate and the corner pillar flange plate have the same thickness.
As a still further scheme of the invention: in step S1, the center pillar has an octagonal cross section, and the center pillar flange restraint plates and the center pillar flange plates are alternately disposed on the outer wall of the center pillar.
As a still further scheme of the invention: in step S1, the cross section of the side pillars is a special-shaped hexagon.
As a still further scheme of the invention: in step S302, the thickness of the cylindrical surface protection layer is not more than 15 mm.
As a still further scheme of the invention: in step S303, the thickness of each fireproof protective layer is not more than 5 mm.
As a still further scheme of the invention: in step S201, the center pillar support web plate and the center pillar flange plate are welded according to the cross pillar process and the manufacturing step blanking set.
In conclusion, the beneficial effects of the invention are as follows: in the embodiment of the invention, when the column is manufactured, a cross column component is firstly manufactured, a horizontal direction supporting stiffening plate in a central column is welded at a corresponding position in the cross column component, and then flange restraining plates are welded in four directions between outer side flange plates of the cross column to form a fully-closed central column structure; when the side column is manufactured, two side flange plates are welded at two ends of a side column plate, a T-shaped support web plate with one end provided with the flange plate is welded at the inner side of the side column plate, then horizontal support stiffening plates are welded at two sides of the vertical support web plate and between the flange plate and the side column plate, and finally flange constraining plates are welded at two outer sides of the flange plate to form a fully-closed side column structure.
When the corner post is manufactured, the two flange plates are welded on two right-angle edges of the corner post plate respectively to form two L-shaped structures, then the two right-angle edges of the corner post plate are welded together oppositely, and finally the flange constraining plate is welded between the two flange plates to form a totally-enclosed corner post structure. The cross section of the center pillar is of an octagonal structure, and the center pillar can be derived into 1/2 side pillars (the cross section is of a special-shaped hexagonal structure) and 1/4 corner pillars (the cross section is of a special-shaped pentagonal structure) according to the requirements of the side pillars and the corner pillars.
The special-shaped steel structure column is characterized in that cavities formed in the middle column, the side columns and the corner columns are filled with light concrete with corrosion resistance, heat insulation and heat preservation, a fireproof protective layer for preventing the combustion of the column body is wrapped outside the columns, and a cylindrical protective layer for enhancing the strength of the cylindrical surface is sprayed outside the fireproof protective layer; the steel structure column is a totally-enclosed structure, the inside of the steel structure column is provided with a complete vertical cross web plate support and a horizontal support stiffening plate structure, and a stable structural form is formed among the web plate, the flange plate and the flange constraining plate, so that the torsion deformation of the steel column in all directions is limited, the safety, the stability and the reliability of the whole building structure are ensured, the damage to the whole building under various loads and natural disasters is reduced and reduced to the maximum extent, the life and property safety of people is guaranteed, and the steel structure column is more suitable for assembly type high-rise or super high-rise civil (residential) and public buildings.
Drawings
Fig. 1 is a schematic view of a center pillar structure of the invention.
FIG. 2 is a schematic view of the structure of the side pillar of the present invention.
Fig. 3 is a schematic view of the corner post structure of the invention.
Fig. 4 is a sectional view taken along line a-a of fig. 1.
Fig. 5 is a sectional view taken along line a-a of fig. 2.
Fig. 6 is a sectional view taken along line a-a of fig. 3.
Fig. 7 is a sectional view taken along line B-B of fig. 1.
Fig. 8 is a sectional view taken along line B-B of fig. 2.
Fig. 9 is a sectional view taken along line B-B of fig. 3.
Fig. 10 is a cross-sectional view taken along line C-C of fig. 1.
Fig. 11 is a cross-sectional view taken along line C-C of fig. 2.
Fig. 12 is a cross-sectional view taken along line C-C of fig. 3.
In the figure: the composite material comprises 1-a center column, 2-a center column flange constraining plate, 3-a center column flange plate, 4-a center column inner supporting web plate, 5-a center column inner horizontal direction supporting stiffening plate, 6-side column, 7-lightweight concrete, 8-a side column flange constraining plate, 9-a side column plate, 10-a side column inner supporting web plate, 11-a side column inner horizontal direction supporting stiffening plate, 12-a corner column, 13-a corner column flange constraining plate, 14-a corner column plate, 15-a corner column inner horizontal direction supporting stiffening plate, 16-a fireproof protective layer, 17-a side column flange plate, 18-a corner column flange plate and 19-a cylindrical surface protective layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 12, in the embodiment of the present invention, an internal support steel structure special-shaped column includes a central column 1, side columns 6 and corner columns 12, a plurality of central columns 1 are connected around the central column 1, a plurality of side columns 6 are arranged at the edge of a building, the corner columns 12 for connecting the central column 1 and the side columns 6 are arranged between the side columns 6 and the side columns 6, the central column and the central column are connected by H-shaped steel beams and reinforced by scissors, a central column support assembly is arranged in the central column 1, a side column support assembly is arranged in the side column 6, and a corner column support assembly is arranged in the corner column 12.
The center pillar supporting component comprises a center pillar flange constraining plate 2, a center pillar flange plate 3, a web 4 and a center pillar inner supporting stiffener 5 are arranged in the center pillar, the cross section of the center pillar 1 is octagonal, the inner supporting stiffener 4 is arranged in the center pillar flange plate 3 in the crossed vertical direction of the cross, the two ends of the inner supporting stiffener 4 are connected to the inner wall of the flange plate through welding and fixing, the inner supporting stiffener 5 is arranged in the center pillar in the horizontal direction, and the inner horizontal direction of the center pillar supports the stiffener 5 and the center pillar 1 in the welding and fixing connection all around. The middle column flange constraining plate 2 and the middle column flange plate 3 are welded on the outer wall of the middle column 1 in a staggered mode, the middle column flange constraining plate 2 is arranged to realize the constraint of the middle column flange plate 3, and the middle column flange constraining plate and the cross-shaped inner support web plate 4, the flange plates 3 and the support stiffening plates 5 in the column in the horizontal direction form a stable structure in the vertical direction and the horizontal direction, so that the distortion of a steel column in all directions is limited, and the overall stability of a building structure is guaranteed.
Example 2
As shown in fig. 1 to 12, in the embodiment of the present invention, a method for manufacturing an inner support steel structure special-shaped column includes the following steps:
s1, manufacturing and assembling each column body in the inner support steel structure special-shaped column;
s2, manufacturing and assembling the center pillar 1;
s201, firstly, according to a cross column process method and manufacturing steps, a web plate 4 and a middle column flange plate 3 are supported in a blanking column and are assembled and welded to manufacture a cross column component;
s202, blanking the flange restraint plates 2 of the center column and the stiffening plates 5 horizontally supported in the center column, welding the stiffening plates 5 horizontally supported in the center column at corresponding positions in the cross column component, filling lightweight concrete 7 in a cavity of the center column 1, and welding the flange restraint plates 2 of the center column between the adjacent flange plates to form a totally-enclosed center column structure after the lightweight concrete is completely dried;
s203, coating five times of fireproof protection layers 16 on the outer wall of the center pillar 1, performing press polishing on each time by using a trowel, wherein the thickness of each fireproof protection layer 16 is not more than 5mm, and manufacturing the next layer after the fireproof protection layers are fully dried;
s204, finally spraying the cylindrical surface protection layer 19 on the outer side of the column fireproof protection layer 16 for three times, performing press polishing by using a trowel each time, wherein the thickness of each layer of the cylindrical surface protection layer 19 is not more than 5mm, and manufacturing the next layer after fully drying;
s3, manufacturing and assembling the side column 6;
s301, firstly welding two side column flange plates 17 at two ends of a side column plate 9, and welding a T-shaped side column inner support web plate 10 with one end provided with the side column flange plate 17 at the inner side of the side column plate 9;
s302, welding stiffening plates 11 in the horizontal direction of the side column on two sides of a web plate of an inner support web plate 10 in the side column between a side column flange plate 17 and a side column plate 9, filling lightweight concrete 7 in a cavity of the side column 6, and welding side column flange restraining plates 8 on two sides of the outer part of the flange plate to form a totally-closed side column structure after the cavity is fully dried;
s303, coating five times of fireproof protection layers 16 on the outer walls of the side columns 6, performing press polishing on each time by using a trowel, wherein the thickness of each fireproof protection layer 16 is not more than 5mm, and manufacturing the next layer after the fireproof protection layers are fully dried;
s304, finally spraying the cylindrical surface protection layer 19 on the outer side of the column fireproof protection layer 16 for three times, performing press polishing on each time by using a trowel, wherein the thickness of each cylindrical surface protection layer 19 is not more than 5mm, and manufacturing the next layer after full drying;
s4, manufacturing and assembling the corner post 12;
s401, respectively welding two corner post flange plates 18 on two corner post plates 14 of a corner post to form two L shapes, and then welding the two corner post plates 14 oppositely and together to form a corner post component;
s402, welding a stiffening plate 15 horizontally supported in the corner column between two corner column flange plates 18 and a corner column plate 14 of the corner column component, filling lightweight concrete 7 in a cavity of the corner column 12, and after the lightweight concrete is fully dried, welding a corner column flange restraining plate 13 between the two corner column flange plates 18 to form a fully-closed corner column structure;
s403, coating five times of fireproof protection layers 16 on the outer walls of the corner posts 12, performing press polishing on each time by using a trowel, wherein the thickness of each fireproof protection layer 16 is not more than 5mm, and manufacturing the next layer after the fireproof protection layers are fully dried;
s404, finally spraying the cylindrical surface protection layer 19 on the outer side of the column fireproof protection layer 16 for three times, performing press polishing on each time by using a trowel, wherein the thickness of each cylindrical surface protection layer 19 is not more than 5mm, and manufacturing the next layer after full drying.
Example 3
As shown in fig. 1 to 12, in the embodiment of the present invention, a method for manufacturing an eccentric inner supporting steel structure special-shaped column includes the following steps:
s1, manufacturing and assembling each column body in the eccentric inner support steel structure special-shaped column;
s2, manufacturing and assembling the eccentric inner support center post 1;
s201, blanking the eccentric inner supporting web plate 4 and the flange plate 3 of the column according to a cross column process method and a manufacturing step, and assembling and welding to manufacture an eccentric cross column component;
s202, blanking the flange restraining plates 2 of the center column and the eccentric center horizontal supporting stiffening plates 5 of the center column, welding the eccentric center horizontal supporting stiffening plates 5 of the center column at corresponding positions in the eccentric cross column component, filling lightweight concrete 7 in a cavity of the center column 1, and welding the flange restraining plates 2 of the center column between the adjacent flange plates to form a fully-closed eccentric center column structure after the lightweight concrete is completely dried;
s3, manufacturing and assembling the eccentric inner supporting side column 6;
s301, firstly welding two side column flange plates 17 at two ends of an eccentric side column plate 9, and welding a T-shaped side column eccentric inner support web plate 10 with one end provided with the side column flange plate 17 at the inner side of the side column plate 9;
s302, welding eccentric horizontal supporting stiffening plates 11 at two sides of a web plate of an eccentric inner supporting web plate 10 of the side column between a side column flange plate 17 and a side column plate 9, filling lightweight concrete 7 in a cavity of an eccentric side column 6, and welding side column flange restraining plates 8 at two sides of the outer part of the flange plate to form a totally-enclosed eccentric side column structure after the lightweight concrete is fully dried;
s303, coating five times of fireproof protection layers 16 on the outer wall of the eccentric side column 6, performing press polishing on each time by using a trowel, wherein the thickness of each fireproof protection layer 16 is not more than 5mm, and manufacturing the next layer after the fireproof protection layers are fully dried;
s304, finally spraying the cylindrical surface protection layer 19 on the outer side of the eccentric side column fireproof protection layer 16 for three times, performing press polishing on each time by using a trowel, wherein the thickness of each cylindrical surface protection layer 19 is not more than 5mm, and manufacturing the next layer after full drying.
Example 4
As shown in fig. 1 to 12, in the embodiment of the invention, the inner-support totally-enclosed steel structure type special-shaped column (including a center column side column and a corner column) is used as a water-regulating main pipeline and a fire-fighting main pipeline in a high-rise building and a super high-rise building (the inner cavities of the inner-support steel structure special-shaped columns at different positions are arranged as high-area, middle-area and low-area water-supplying main pipelines), when the inner-support steel structure special-shaped column is normally used, as the column is filled with circulating water with constant temperature and constant pressure and is connected with an indoor air-conditioning system branch pipe, the indoor temperature is constant, if a fire occurs in a certain place of a certain floor of the building, because the inner-support steel column is connected with each layer of fire-fighting spray and fire hydrant branch pipes, a fire alarm and a fire-fighting control system on the floor are directly started to extinguish the fire, because the specific gravity of water is 1 ton/M3, the lightweight concrete is 0, after the steel column is filled with constant-temperature and constant-pressure circulating water, the steel column is equivalent to a huge water supply pipeline, so that the problems of fire prevention, expansion with heat and contraction with cold, connection with other building materials and the like of the steel column do not need to be worried, and the problems of corrosion prevention and heat preservation of the steel column do not need to be worried as the parts are subjected to corrosion prevention treatment in advance. The manufacturing method of the water-filled inner support steel structure special-shaped column comprises the following steps:
s1, cutting parts required by the side column and the corner column of the steel plate blanking center column;
s2, performing anti-corrosion pretreatment such as galvanizing on the parts;
s3, manufacturing the side columns and the columns of the fully-closed steel structure center columns according to the manufacturing method in the embodiment 2 or 3 (note that the vertical flange restraining plates are broken when meeting the horizontal supporting stiffening plates and are welded outside);
s4, performing an airtight test and a hydraulic pressure withstand test on the manufactured side column and corner column of the fully-closed steel structure center column;
s4, finally, spraying the cylindrical surface protection layers 19 on the outer sides of the side columns and the corner columns of the middle columns for three times, performing press polishing by using a trowel for each time, wherein the thickness of each layer of cylindrical surface protection layer 19 is not more than 5mm, and manufacturing the next layer after full drying;
s5, air-tight test and hydraulic pressure resistance test are carried out after welding the side column and the corner column in the site, and then the cylindrical surface spraying treatment method is carried out on the joint and the welding part, which are shown in examples 2 and 3.
The inner support steel structure special-shaped column manufactured by the embodiment of the invention is welded into a fully closed structure at the outside, the inner support steel structure special-shaped column is provided with a complete vertical cross web plate support and horizontal support stiffening plate structure at the inside, a stable structure form is formed among the web plate, the flange plate and the flange restraining plate, the distortion deformation of the special-shaped column in all directions is limited, a cavity formed in the column is filled with anti-corrosion, heat-insulation and heat-preservation light concrete (the constant-temperature and constant-pressure circulating water can be filled according to the embodiment 4 of the invention), a fireproof protective layer and a cylindrical surface protective layer are wrapped at the outside of the column, the building built by the inner support steel structure column has light weight, better stress and force transmission performance, is greatly superior to the current steel structure column and concrete structure column, the safety, stability and reliability of the whole building are ensured, the damage to the whole building under various loads and natural, the safety of life and property of people is guaranteed, the field can be directly assembled and constructed like a steel structure, only local treatment is needed at the joint, large-area secondary civil construction is not needed, the environment-friendly concept of the assembled building is met, and the method is more suitable for assembled high-rise and super high-rise civil (residential) and public buildings.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are only for the convenience of description of the invention and to simplify the description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The method for manufacturing the inner support steel structure special-shaped column is characterized by comprising the following steps:
s1, assembling the columns in the internally-supported steel structure special-shaped column:
s101, the inner support steel structure special-shaped column comprises a center column (1), side columns (6) and corner columns (12), wherein a plurality of center columns (1) are connected around the center column (1), a plurality of side columns (6) are arranged at the edge of a building, the corner columns (12) used for connecting the center column (1) and the side columns (6) are arranged between the center column (1) and the side columns (6), H-shaped steel beams are connected between the center column and the center columns, the center column side columns and the corner columns and used for supporting and reinforcing the center column and the side columns by scissors, a center column supporting component is arranged in the center column (1), a side column supporting component is arranged in the side column (6), and a corner column supporting component is arranged in the corner column (12);
s102, the center pillar supporting assembly comprises a center pillar flange restraint plate (2), a center pillar flange plate (3), a center pillar inner supporting web plate (4) and a center pillar inner horizontal direction supporting stiffening plate (5), the cross section structure of the center pillar (1) is octagonal, the center pillar flange restraint plate (2) and the center pillar flange plate (3) are arranged on the outer wall of the center pillar (1) in a staggered mode, the center pillar inner supporting web plate (4) is arranged in the center pillar (1) in a crossed mode, two ends of the center pillar inner supporting web plate (4) are fixedly connected to the inner wall of the center pillar flange plate (3) in a welded mode, the center pillar inner horizontal direction supporting stiffening plate (5) is arranged in the horizontal direction of the center pillar (1), and the center pillar inner horizontal direction supporting stiffening plate (5) and the inner wall of the center pillar (1) are fixedly;
s103, the side column supporting component comprises side column flange constraining plates (8), side column plates (9), side column flange plates (17), side column inner supporting webs (10) and side column inner supporting stiffening plates (11), long edges in the outer walls of the side columns (6) are set to be the side column plates (9), the side column flange constraining plates (8) and the side column flange plates (17) are arranged in a staggered mode, the inner supporting webs (10) are arranged in the side columns (6) in the vertical direction, a plurality of side column inner horizontal direction supporting stiffening plates (11) are arranged on two sides of the side column inner supporting webs (10), the peripheries of the side column inner horizontal direction supporting stiffening plates (11) are fixedly connected with the inner walls of the side columns (6) in a welded mode, the side columns (6) are 1/2 in the structure, and the cross sections are hexagonal special-shaped center columns (1);
s104, the corner post supporting component comprises a corner post flange restraining plate (13), a corner post plate (14), a corner post flange plate (18) and a reinforcing plate (15) supported in the corner post in the horizontal direction, the corner post plate (14) forms two right-angle sides of the corner post, the corner post flange restraining plate (13) and the corner post flange plate (18) are arranged in the other two right-angle sides of the corner post (12) in a staggered mode, the reinforcing plate (15) supported in the corner post in the horizontal direction is arranged in an inner cavity of the corner post (12), the corner post (12) is 1/2 in the shape of the side post (6) and 1/4 in the shape of the center post (1), and the cross section of the corner post supporting component is a special-shaped pentagon;
s2, manufacturing and assembling of the center pillar (1):
s201, firstly, supporting webs (4) in the vertical direction in a blanking column and middle column flange plates (3) are manufactured into a cross column component by butt welding according to a cross column process method and manufacturing steps;
s202, blanking a flange restraint plate (2) of the center column and a stiffening plate (5) horizontally supported in the center column, welding the stiffening plate (5) horizontally supported in the center column at a corresponding position in a cross column member, filling lightweight concrete (7) in a cavity of the center column (1) to be completely dried, and welding the flange restraint plate (2) of the center column between adjacent flange plates to form a fully-closed center column structure;
s203, coating five times of fireproof protection layers (16) on the outer side of the center pillar (1), performing press polishing on each time by using a trowel, wherein the thickness of each fireproof protection layer (16) is not more than 5mm, and manufacturing the next layer after the fireproof protection layers are fully dried;
s204, finally spraying the cylindrical surface protection layer (19) on the outer side of the fireproof protection layer (16) for three times, performing press polishing by using a trowel each time, wherein the thickness of each cylindrical surface protection layer (19) is not more than 5mm, and manufacturing the next layer after the cylindrical surface protection layers are fully dried;
s3, manufacturing and assembling the side column (6);
s301, welding side column flange plates (17) at two ends of a side column plate (9), and then welding a side column inner support web plate (10) with the side column flange plates (17) at one end on the inner side of the side column plate (9);
s302, welding stiffening plates (11) horizontally supported in the side columns among the web plates (10), the side column flange plates (17) and the side column plates (9) in the side columns, filling lightweight concrete (7) in cavities of the side columns (6), and welding side column flange constraining plates (8) on two sides of the outer portions of the flange plates after the lightweight concrete is completely dried to form a fully-closed side column structure;
s303, coating the outer wall of the side column (6) with the fireproof protection layer (16) for five times, performing press polishing by using a trowel each time, wherein the thickness of each fireproof protection layer (16) is not more than 5mm, and manufacturing the next layer after the fireproof protection layers are fully dried;
s304, finally spraying the cylindrical surface protection layer (19) on the outer side of the column fireproof protection layer (16) for three times, performing press polishing on each time by using a trowel, wherein the thickness of each layer of the cylindrical surface protection layer (19) is not more than 5mm, and manufacturing the next layer after full drying;
s4, manufacturing and assembling corner posts (12);
s401, respectively welding two corner post flange plates (18) on two corner post plates (14) of a corner post to form two L-shaped components, and welding the two L-shaped components oppositely and simultaneously to form an open corner post component;
s402, welding a stiffening plate (15) horizontally supported in the corner column between the corner column flange plates (18) and the corner column plates (14) in the opened corner column component, filling lightweight concrete (7) in a cavity of the corner column (12) for complete drying, and welding corner column flange restraining plates (13) between the opened corner column component flange plates to form a fully-closed corner column structure;
s403, coating five times of fireproof protection layers (16) on the outer sides of the corner columns (12), performing press polishing on each time by using a trowel, wherein the thickness of each fireproof protection layer (16) is not more than 5mm, and manufacturing the next layer after the fireproof protection layers are fully dried;
s404, finally spraying the cylindrical surface protection layer (19) on the outer side of the column fireproof protection layer (16) for three times, performing press polishing on each time by using a trowel, wherein the thickness of each layer of the cylindrical surface protection layer (19) is not more than 5mm, and manufacturing the next layer after fully drying.
2. The method for manufacturing the internally-supported steel-structured special-shaped column as claimed in claim 1, wherein in step S1, the thickness of the center column flange restraining plate (2) is the same as that of the center column flange plate (3), the thickness of the side column flange restraining plate (8) is the same as that of the side column plate (9) and that of the side column flange plate (17), and the thickness of the corner column flange restraining plate (13) is the same as that of the corner column plate (14) and that of the corner column flange plate (18).
3. The method for manufacturing the internal support steel structure special-shaped column as claimed in claim 2, wherein in the step S1, the cross section of the center column (1) is octagonal, and the center column flange constraining plates (2) and the center column flange plates (3) are alternately arranged on the outer wall of the center column (1).
4. The method for manufacturing the internally-supported steel-structured special-shaped column as claimed in claim 3, wherein in the step S1, the cross section of the side column (6) is a special-shaped hexagon.
5. The method for manufacturing the internally-supported steel-structured profiled column as claimed in any one of claims 1 to 4, wherein in the step S302, the thickness of the cylindrical surface protection layer (19) is not more than 15 mm.
6. The method for manufacturing the internally-supported steel-structured profiled pole as claimed in any one of claims 1 to 4, wherein in the step S303, the thickness of each fireproof protective layer (16) is not more than 5 mm.
7. The method for manufacturing the internally-supported steel-structured special-shaped column as claimed in claim 6, wherein in step S201, the webs (4) and the flanges (3) of the middle column are vertically supported by the welding middle column according to a cross column process and manufacturing step blanking group.
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CN209457146U (en) * | 2018-12-18 | 2019-10-01 | 中国建筑第八工程局有限公司 | A kind of steel-is mixed partially to combine flat column girder construction |
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JP2016194246A (en) * | 2016-07-19 | 2016-11-17 | 李 文聰Li Wencong | Multiple steel tube-type concrete-filled steel pipe column having plurality of triangular columns, and wall |
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