CN109457870A - A kind of concrete-filled double skin steel tube colossal column and its construction method - Google Patents
A kind of concrete-filled double skin steel tube colossal column and its construction method Download PDFInfo
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- CN109457870A CN109457870A CN201811611358.2A CN201811611358A CN109457870A CN 109457870 A CN109457870 A CN 109457870A CN 201811611358 A CN201811611358 A CN 201811611358A CN 109457870 A CN109457870 A CN 109457870A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 290
- 239000010959 steel Substances 0.000 title claims abstract description 290
- 239000004567 concrete Substances 0.000 title claims abstract description 54
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000003466 welding Methods 0.000 claims abstract description 31
- 239000011372 high-strength concrete Substances 0.000 claims abstract description 14
- 238000005452 bending Methods 0.000 claims abstract description 10
- 210000003205 muscle Anatomy 0.000 claims description 32
- 239000010410 layer Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 11
- 239000011229 interlayer Substances 0.000 claims description 8
- 239000011150 reinforced concrete Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 7
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 241001503485 Mammuthus Species 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009408 flooring Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000027455 binding Effects 0.000 description 1
- 238000009739 binding Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
- E04C3/36—Columns; Pillars; Struts of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials
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Abstract
A kind of concrete-filled double skin steel tube colossal column and its construction method, concrete-filled double skin steel tube colossal column include to drawing stirrup, rectangular steel pipe, concrete, elevator & stairs and door opening.Both ends part bending to stirrup is drawn, and with rectangular steel pipe inner wall is tangent is arranged, be fixed by welding on steel pipe inner wall, pour high-strength concrete between the rectangular steel pipe then placed with one heart at two.Bearing capacity of the present invention is high, Hysteresis Behavior is good, anti-side rigidity is big, ductility is good, reasonable stress, concrete-filled double skin steel tube colossal column easy for construction, from heavy and light, both the not sufficiently effective defect of steel tube confinement had been compensated for, difficulty when can greatly reduce thickness of steel pipe again, thick steel plate being avoided to weld, the problem of mammoth structure vertical transportation is also solved simultaneously, is suitable for high building structure.
Description
Technical field
The present invention relates to technical field of buildings, specially a kind of concrete-filled double skin steel tube colossal column and its construction party
Method.
Background technique
As building function is intended to diversification and synthesization development, the trend of world's Development of High-rise Buildings is competitively to release
Height is more than the huge structure of the super high-rise building and the skyscraper for meeting some specific functions of 500m.Giant frame structure is
As a kind of new and effective Lateral Resistant System for adapting to super high-rise building development.It by as main structure giant frame structure and
Floor frame as secondary structure forms.Mega-frame is main Lateral Resistant System, and floor frame only plays booster action and big
Energy consumption effect under shake, and be responsible for flooring vertical load passing to main frame.Since the column of secondary structure is away from small, load is small, because
And its beam, column section can be made very small, and be conducive to the reasonable employment of flooring.It can be seen that mammoth structure is a kind of with huge
The large scale structure system of big lateral rigidity and integral working.
It is lateral to subject huge vertical load and earthquake, wind etc. as giant frame structure vertical member for colossal column
Load action, colossal column have that good tension is bent and ability is turned round in shearing resistance, and colossal column is due to the advantages of its own and feature,
It is increasingly taken seriously, and is increasingly being applied to engineering reality.The steel reinforced concrete generallyd use in engineering at present is huge
Type column and concrete filled steel tube colossal column have in place of following technical deficiency: 1. huge column cross-section sizes are big, according to steel reinforced concrete
Structure must take the strong ties mode of overall height, avoid the occurrence of similar according to correlation test conclusion between each isolated reinforcing bar in column
The arrangement of the separate type of lattice column, it is ensured that the thus whole ductility of column will generate a large amount of stirrup bindings, template support work, no
Just it constructs；2. the characteristics of concrete filled steel tube colossal column is due to section form, concrete of the section close to centroid position can not be mentioned
For how many bending stiffness, bending stiffness and anti-bending bearing capacity are lower, while concrete filled steel tube colossal column node construction is complicated, limit
Its application is made.
Therefore, research and develop a kind of economical and practical, concrete-filled double skin steel tube colossal column structure type easy for construction has
Highly important practice significance and social economic value.
Summary of the invention
The present invention solves the deficiencies in the prior art and provides that a kind of bearing capacity is high, anti-seismic performance is good, anti-side rigidity is big
Concrete-filled double skin steel tube colossal column and its construction method, the present invention accept rationally, from heavy and light, easy for construction, both solved
The not sufficiently effective problem of steel tube confinement, and difficulty when can greatly reduce thickness of steel pipe, thick steel plate being avoided to weld, while also solving
The problem of mammoth structure of having determined vertical transportation is suitable for high building structure.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of concrete-filled double skin steel tube colossal column, including interior rectangle steel pipe column, it is coaxially mounted to interior rectangle steel pipe column
The outer rectangle steel tubing string in outside and it is cast in high-strength concrete between inside and outside rectangle steel tubing string in interlayer, the inside and outside square
Steel reinforcement cage is installed in the interlayer between shape steel pipe column, inside and outside the steel reinforcement cage respectively with interior rectangle steel pipe column and outer rectangle
Steel pipe column is fixed, by the steel reinforcement cage that the opposite face of both inside and outside rectangle steel tubing strings and outer rectangle steel tubing string is opposite
Face is fixedly connected, and pipeline, hollow portion in the interior rectangle steel pipe column are embedded in the interlayer between the inside and outside rectangle steel tubing string
Position is provided with elevator and/or stair, and the steel reinforcement cage is double-way opposed-pulling stirrup cage, and the double-way opposed-pulling stirrup cage includes more edges
Short transverse laying, the positioning to play the role of positioning, which are indulged muscle and be fixed on the vertical muscle of positioning, laterally lays double-way opposed-pulling stirrup, described
Double-way opposed-pulling stirrup is indulged muscle extending direction along positioning on positioning vertical muscle, is laid with multilayer, the double-way opposed-pulling with a fixed spacing
The both ends of stirrup are separately fixed inside and outside rectangle steel tubing string opposite face and outer rectangle steel tubing string opposite face, the double-way opposed-pulling
It is fixed in the middle part of stirrup on the vertical muscle of positioning.
Further, the diameter of the double-way opposed-pulling stirrup is greater than the diameter for positioning vertical muscle.
Further, the two-way right of spacing and adjacent layer is arranged in the horizontal direction in double-way opposed-pulling stirrup described in same layer
Stirrup is drawn to be longitudinally arranged spacing identical.
Further, the strength of high strength concrete is not less than C60.
Further, the outer rectangle steel tubing string is assembled by general steel plate component and crotch steel plate member, described curved
Hook plate component includes steel plate member and the crotch that is fixed on the inside of steel plate member, and the general steel plate Member Welding is described double
To drawing in stirrup cage, the double-way opposed-pulling stirrup cage is equipped with the corresponding transverse direction cloth with crotch position with crotch steel plate member junction
If transverse steel, the transverse steel is welded on the end of double-way opposed-pulling stirrup, and the same direction in same layer is laid
Double-way opposed-pulling stirrup connection it is integral, the crotch steel plate member preset installation site in double-way opposed-pulling stirrup cage is
Welding procedure zone of action, the welding procedure zone of action facilitate worker to general steel plate component and double-way opposed-pulling stirrup cage into
Row welding activity, after the completion of general steel plate Member Welding, the crotch steel plate member is mounted by crotch is fixed on described pair
To draw stirrup cage on, and the crotch steel plate member with it is tangent on the outside of double-way opposed-pulling stirrup cage.
Further, crotch steel plate member position corresponding with transverse steel at crotch is equipped with plug welding slot, described
After crotch steel plate member is mounted on the horizontal line reinforcing bar of double-way opposed-pulling stirrup cage, then plug welding is in double-way opposed-pulling stirrup cage.
Further, double-way opposed-pulling stirrup both ends bend, and the bending part of the double-way opposed-pulling stirrup and it is interior,
The tangent connection of inner wall of outer rectangle steel tubing string, junction and inside and outside rectangle steel tubing string weld.
Further, be equipped with multiple groups crotch on the inside of the crotch steel plate member, the position of crotch described in each group with it is two-way
To drawing each layer of double-way opposed-pulling stirrup in stirrup cage corresponding, every group of crotch includes multiple crotches that transversely reinforcing bar is laid.
A kind of concrete-filled double skin steel tube colossal column applied on skyscraper, including above-mentioned hollow sandwich steel pipe are mixed
Soil colossal column is coagulated, is embedded with pipeline, hollow portion in the interior rectangle steel pipe column in the interlayer between the inside and outside rectangle steel tubing string
Position is provided with elevator and/or stair.
Further, the stair are prefabricated assembled stair or integral cast-in-situ formula reinforced concrete stairs.
A kind of construction method of concrete-filled double skin steel tube colossal column, includes the following steps:
A, according to practice of construction situation determine in rectangle steel pipe column, outer rectangle steel tubing string, double-way opposed-pulling stirrup cage size,
Rectangle steel pipe column and double-way opposed-pulling stirrup cage, prepare the general steel plate component and crotch for assembling outer rectangle steel tubing string in assembling
Steel plate member, the crotch steel plate member include steel plate member and the multiple groups crotch that is fixed on the inside of steel plate member, each group of institute
The position for stating crotch is corresponding with each layer of double-way opposed-pulling stirrup in double-way opposed-pulling stirrup cage, the double-way opposed-pulling stirrup cage with it is curved
Hook plate element joints are equipped with the transverse steel laterally laid corresponding with crotch position, and the transverse steel is welded on two-way right
The end for drawing stirrup, the double-way opposed-pulling stirrup connection that the same direction in same layer is laid are integral；
B, after interior rectangle steel pipe column being fixed on bottom plate or basis, double-way opposed-pulling stirrup cage is covered from top to bottom in interior rectangle
Then outside of steel pipe column the outer wall on the inside of steel reinforcement cage with interior rectangle steel pipe column is welded and fixed；
C, outer rectangle steel tubing string is installed: determining that the general steel plate component of outer rectangle steel tubing string and crotch steel plate member exist first
Pre-installed position on the outside of double-way opposed-pulling stirrup cage, the pre-installed position of the crotch steel plate member is for convenience of worker to ordinary steel
Board member and double-way opposed-pulling stirrup cage carry out welding activity, and general steel plate component is connected with bottom plate or basis then, passes through
The pre-installed position of crotch steel plate member by general steel plate Member Welding on the outside of double-way opposed-pulling stirrup cage, then by crotch steel plate
Component is mounted by multiple groups crotch to be fixed on the transverse steel of the double-way opposed-pulling stirrup cage, and by crotch steel plate member
Bottom and bottom plate or basis are fixed, finally by between adjacent general steel plate component, general steel plate component and crotch steel plate member it
Between welding assembly so that being formed with the hollow folder of built-in double-way opposed-pulling stirrup cage between interior rectangle steel pipe column and outer rectangle steel tubing string
Layer；
D, it after the completion of every layer of inside and outside rectangle steel tubing string and double-way opposed-pulling stirrup cage are laid, is poured in hollow sandwich
High-strength concrete and vibration compacting.
By using above scheme, after interior rectangle steel pipe column is connect with double-way opposed-pulling stirrup cage, then fixed outer square
When shape steel pipe column, crotch steel plate member is hung in double-way opposed-pulling stirrup cage by crotch, thus prevent by general steel plate component with
After the welding of double-way opposed-pulling stirrup cage, space is too small between inside and outside rectangle steel tubing string can not be by remaining steel plate member and double-way opposed-pulling
The case where stirrup cage is welded, to facilitate the installation of external rectangle steel tubing string, and the steel tube concrete made in this way
Native colossal column, compensates for that rectangular steel pipe inside and outside Concrete-filled Double Skin Steel Tube Columns is insufficient to the constraint of concrete, internal layer rectangle steel
Defect of the pipe to concrete without effect of contraction improves the bearing capacity of the huge steel core concrete column of hollow sandwich, makes its structural behaviour
It is advanced optimized.
Further, after having poured high-strength concrete, Lift & Stairs, the stair are installed in colossal column inner space
For prefabricated assembled stair or integral cast-in-situ formula reinforced concrete stairs.
Further, the double-way opposed-pulling stirrup cage includes more vertical along short transverse laying, the positioning to play the role of positioning
It muscle and is fixed on the vertical muscle of positioning and laterally lays double-way opposed-pulling stirrup, the double-way opposed-pulling stirrup is vertical along positioning on positioning vertical muscle
Muscle extending direction is laid with multilayer with a fixed spacing, and the both ends of the double-way opposed-pulling stirrup are separately fixed inside and outside rectangular steel pipe
Column opposite face and outer rectangle steel tubing string opposite face are fixed in the middle part of the double-way opposed-pulling stirrup on the vertical muscle of positioning.
Further, in production, double-way opposed-pulling stirrup cage is connected the double-way opposed-pulling stirrup cage with crotch steel plate member
The transverse steel connect is inwardly indented a distance to match with crotch size, for accommodating crotch.
Further, crotch steel plate member position corresponding with transverse steel at crotch is equipped with plug welding slot, described
After crotch steel plate member is mounted on the horizontal line reinforcing bar of double-way opposed-pulling stirrup cage, then plug welding is in double-way opposed-pulling stirrup cage.
After adopting the above technical scheme, the invention has the following advantages that
1. section is carried out, structure overall stiffness is big.
By the section rigidity EI=Ebh of rectangular cross section beam3In/12 it is found that the cube of section rigidity and depth of section at
Direct ratio.Concrete-filled double skin steel tube colossal column is due to hollow development, in the case where same self weight, the section ruler of huge component
It is very little more much bigger than ordinary elements, therefore its rigidity is necessarily more much larger than the rigidity of ordinary construction.
2. lateral rigidity is big, and along being highly evenly distributed, force path is clear, is a kind of ideal lateral resisting structure body
System.
3. system is versatile and flexible, be conducive to antidetonation.
Mammoth structure is a kind of big system, and colossal column can form in irregular building from different structural units
The mammoth structure of rule, each component of mega-structure system have different Seismic Fortifications, multiple defence line are formed, to antidetonation
Favorably.In the conceived case, other active energy-consuming devices can also be installed in structure to guarantee the safety of structure.
4. can make full use of the vertical transportation that the space inside colossal column solves mammoth structure, installed inside colossal column
Elevator or stair effectively improve the usable floor area of building, large space or aerial tableland or gate can be arranged in building
Hole, the flexibility arranged to room create advantage.
5. construction speed is fast.
Mega-structure system can first construct its main structure, after the completion of colossal column, separate each working face and construct simultaneously time
Structure substantially reduces construction period.
6. having bigger stability and higher efficiency.
The present invention is compared with steel core concrete column, and concrete-filled double skin steel tube colossal column is since section is carried out, same
In the case of self weight, bending stiffness is bigger.Under reasonable design conditions, using the outer rectangle steel tubing string of identical size, in
The bearing capacity of empty interlayer steel tube concrete colossal column is not less than corresponding solid steel tube concrete, and has and solid steel tube coagulation
Mechanical property as great soil group.The steel pipe of solid steel tube concrete is located at cross-sectional circumference, its stabilization is easily lost under fire effect and is held
Power is carried, and concrete-filled double skin steel tube colossal column is since concrete is to the package action of inner tube, inner tube is protected well
Effect, can not lose its stable bearing capacity in a long time.
The present invention is compared with shear wall Core Walls Structure, and concrete-filled double skin steel tube colossal column is due to steel pipe and two-way right
Draw stirrup to the effect of contraction of concrete, core concrete made be in three dimension stress state, can increase the rigidity of colossal column with
Lateral resisting；Inner-concrete with high intensity and double-way opposed-pulling stirrup can prevent local buckling, so that deformation reduces, to enhance steel
The stability and ductility of pipe.Therefore compared with shear wall Core Walls Structure, the lateral resistant ability of colossal column, plastic deformation ability, ductility and
Anti-seismic performance is all more superior.The superiority of colossal column, which also resides in, can strive for practical space spacious as far as possible, make various auxiliary
The servant space reaches Administrative Area and flexibly divides into the centralized of plane, the convenient and fast effect of internal transportation.
In conclusion bearing capacity of the present invention is high, Hysteresis Behavior is good, anti-side rigidity is big, ductility is good, reasonable stress, construction party
Just, from the concrete-filled double skin steel tube colossal column of heavy and light, the not sufficiently effective defect of steel tube confinement had not only been compensated for, but also can have been subtracted significantly
Difficulty when lacking thickness of steel pipe, thick steel plate being avoided to weld, while the problem of mammoth structure vertical transportation is also solved, it is suitable for height
Layer building structure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of colossal column and Huge Beam of the present invention.
Fig. 2 is that colossal column of the present invention applies the structural schematic diagram on skyscraper.
Fig. 3 is that colossal column of the present invention applies the external structure schematic diagram on skyscraper.
Fig. 4 is the schematic diagram of the section structure of colossal column of the present invention.
Fig. 5 is the perspective view of rectangle steel pipe column in the present invention.
Fig. 6 is the structural schematic diagram of crotch steel plate member of the present invention.
Fig. 7 is the structural schematic diagram of steel reinforcement cage of the present invention.
In figure: rectangle steel pipe column in 1., 2. outer rectangle steel tubing strings, 3. double-way opposed-pulling stirrups, 4. high-strength concretes, 5. common
Steel plate member, 6. crotch steel plate members, 7. crotches, 8. position vertical muscle, 9. colossal columns, 10. Huge Beams, 11. elevators, 12. stair,
13. door opening.
Specific embodiment
For a better understanding of the present invention, with reference to the accompanying drawing and embodiment, invention is described in further detail, but
The implementation of the present invention is not limited to this.
It include colossal column 9 and Huge Beam 10 in skyscraper, colossal column 9 uses hollow folder in this example such as attached drawing 1 to Fig. 7
Layer concrete filled steel tube colossal column, including interior rectangle steel pipe column 1 and outer rectangle steel tubing string 2 as made of straight steel plate assembly welding, electricity
Ladder 11, stair 12 and door opening 13, the hollow sandwich between interior rectangle steel pipe column 1 and outer rectangle steel tubing string 2 are built-in with double-way opposed-pulling
Stirrup 3, and poured high-strength concrete 4.
The interior rectangle steel pipe column 1 and outer rectangle steel tubing string 2 use Q345 grades of steel plates, then by two squares of different sizes
Shape steel pipe is placed with one heart, pours high-strength concrete between inside and outside rectangle steel tubing string.
For the double-way opposed-pulling stirrup that production double-way opposed-pulling stirrup 3 uses for HPB235, the double-way opposed-pulling stirrup cage includes more
Root is indulged muscle 8 and be fixed on the vertical muscle of positioning along short transverse laying, the positioning to play the role of positioning laterally lays double-way opposed-pulling stirrup
3, the double-way opposed-pulling stirrup 3 is laid with multilayer along vertical 8 extending direction of muscle of positioning, with a fixed spacing on positioning vertical muscle 8, described
The both ends of double-way opposed-pulling stirrup 3 are separately fixed on inside and outside steel pipe column opposite face and outer steel pipe column opposite face, described two-way right
Draw the middle part of stirrup 3 to be fixed on the vertical muscle 8 of positioning, the double-way opposed-pulling stirrup cage and 6 junction of crotch steel plate member be equipped with
The corresponding transverse steel 9 laterally laid in crotch position, the transverse steel 9 are welded on the end of double-way opposed-pulling stirrup, will be in
The double-way opposed-pulling stirrup connection that the same direction of same layer is laid is integral,
In order to improve weld strength, the bending of double-way opposed-pulling stirrup both ends, and with rectangular steel pipe inner wall is tangent is arranged, then lead to
It crosses and is weldingly fixed on interior rectangle steel pipe column 1 and outer 2 inner wall of rectangle steel tubing string, bending place can increase bonding area and improve welding
Intensity, the double-way opposed-pulling stirrup place of intersecting vertically are connected using spot welding, and double-way opposed-pulling stirrup is along rectangular steel pipe length and short transverse
Equidistant arrangement, double-way opposed-pulling stirrup can be improved rectangular steel pipe to the effective lateral restraint of core concrete and improve steel pipe
Stability.
The intensity of the high-strength concrete is not less than C60.
The construction method of concrete-filled double skin steel tube colossal column, comprising the following steps:
1) according to practice of construction situation determine in rectangle steel pipe column, outer rectangle steel tubing string, double-way opposed-pulling stirrup cage size,
Rectangle steel pipe column and double-way opposed-pulling stirrup cage, prepare the general steel plate component and crotch for assembling outer rectangle steel tubing string in assembling
Steel plate member, the crotch steel plate member include steel plate member and the multiple groups crotch that is fixed on the inside of steel plate member, every group of crotch
Spacing match with double-way opposed-pulling stirrup axial spacing two-way in double-way opposed-pulling stirrup cage, the crotch steel plate member is in crotch
Locate position corresponding with transverse steel and is also provided with multiple plug welding slots；
2) it by double-way opposed-pulling stirrup cage, interior rectangle steel pipe column, general steel plate component and crotch steel plate member, is transported to existing
?；Position baseline is marked in construction ground；
3) after interior rectangle steel pipe column being fixed on bottom plate or basis, double-way opposed-pulling stirrup cage is covered from top to bottom in interior rectangle
Then outside of steel pipe column the outer wall on the inside of double-way opposed-pulling stirrup cage with interior rectangle steel pipe column is welded and fixed；
4) after general steel plate component being connected with bottom plate or basis, using crotch steel plate member in double-way opposed-pulling stirrup cage
The welding procedure zone of action that upper corresponding installation site is formed, by general steel plate Member Welding on the outside of double-way opposed-pulling stirrup cage,
Then after crotch steel plate member being mounted on the double-way opposed-pulling stirrup cage by multiple groups crotch, then by plug welding slot weld double
It is to drawing in stirrup cage, the bottom of crotch steel plate member and bottom plate or basis is fixed, finally by adjacent general steel plate component, will
Crotch steel plate member welding assembly, so that being formed with built-in double-way opposed-pulling stirrup between interior rectangle steel pipe column and outer rectangle steel tubing string
The concrete-filled double skin steel tube colossal column colossal column of cage；
5) high-strength concrete 4 then is being poured between interior rectangle steel tubing string 1 and outer rectangle steel tubing string 2；
6) after having poured high-strength concrete, elevator 11 is installed in colossal column inner space and stair 12, the stair are
Prefabricated assembled stair or integral cast-in-situ formula reinforced concrete stairs.
In addition, it should be noted that, this patent is not limited to above embodiment, as long as its part does not specify specific size
Or shape, then the part can be any size or shape adaptable with its structure, no matter and making in its material composition
Any variation, it is all to be designed using structure provided by the present invention, all it is a kind of deformation of the invention, is considered as in the present invention
Within protection scope.
Claims (16)
1. a kind of concrete-filled double skin steel tube colossal column, it is characterised in that: including interior rectangle steel pipe column (1), be coaxially mounted to
It outer rectangle steel tubing string (2) on the outside of interior rectangle steel pipe column (1) and is cast between inside and outside rectangle steel tubing string (2) in interlayer
High-strength concrete is equipped with double-way opposed-pulling stirrup cage in the interlayer between the inside and outside rectangle steel tubing string (2), described two-way right
It draws and is fixed respectively with interior rectangle steel pipe column (1) and outer rectangle steel tubing string (2) inside and outside stirrup cage, pass through the double-way opposed-pulling hoop
The opposite face in both inside and outside rectangle steel tubing strings (2) opposite face and outer rectangle steel tubing string (2) is fixedly connected by muscle cage, described
Pipeline is embedded in interlayer between inside and outside rectangle steel tubing string (2), the interior hollow part of the interior rectangle steel pipe column (1) is provided with
Elevator and/or stair.
2. concrete-filled double skin steel tube colossal column according to claim 1, it is characterised in that: the double-way opposed-pulling stirrup
Cage include more laid along short transverse, muscle (8) are indulged in the positioning that plays the role of positioning and are fixed on positioning indulges and laterally lay on muscle (8)
Double-way opposed-pulling stirrup (3), the double-way opposed-pulling stirrup (3) is on positioning vertical muscle (8) along vertical muscle (8) extending direction of positioning, with one
Fixed spacing is laid with multilayer, and the both ends of the double-way opposed-pulling stirrup (3) are separately fixed inside and outside rectangle steel tubing string (2) opposite face
And outer rectangle steel tubing string (2) opposite face, it is fixed in the middle part of the double-way opposed-pulling stirrup (3) on positioning vertical muscle (8).
3. concrete-filled double skin steel tube colossal column according to claim 2, it is characterised in that: the double-way opposed-pulling stirrup
(3) diameter is greater than the diameter for positioning vertical muscle (8).
4. concrete-filled double skin steel tube colossal column according to claim 2, it is characterised in that: in double described in same layer
To identical to drawing stirrup (3) to arrange that spacing with the double-way opposed-pulling stirrup (3) of adjacent layer is longitudinally arranged spacing in the horizontal direction.
5. concrete-filled double skin steel tube colossal column according to claim 1, it is characterised in that: the high-strength concrete is strong
Degree is not less than C60.
6. concrete-filled double skin steel tube colossal column according to claim 1, it is characterised in that: the stair are prefabricated dress
With formula stair or integral cast-in-situ formula reinforced concrete stairs.
7. concrete-filled double skin steel tube colossal column according to one of claims 1 to 6, it is characterised in that: the outer square
Shape steel pipe column (2) is assembled by general steel plate component (5) and crotch steel plate member (6), and the crotch steel plate member (6) includes
Steel plate member and the crotch being fixed on the inside of steel plate member, the general steel plate component (5) are welded on the double-way opposed-pulling stirrup
On cage, the double-way opposed-pulling stirrup cage is equipped with crotch position the corresponding cross laterally laid with crotch steel plate member (6) junction
To reinforcing bar, the transverse steel is welded on the end of the double-way opposed-pulling stirrup (3) of composition double-way opposed-pulling stirrup cage, will be in same
Double-way opposed-pulling stirrup (3) connection that the same direction of layer is laid is integral, and the crotch steel plate member (6) is mounted by crotch
It is fixed on the transverse steel of the double-way opposed-pulling stirrup cage, adjacent general steel plate component (5), adjacent crotch steel plate member (6)
And it is welded between adjacent general steel plate component (5) and crotch steel plate member (6).
8. band lacing wire concrete-filled double skin steel tube according to claim 7 pours building body, it is characterised in that: the crotch steel
Board member (6) preset installation site in double-way opposed-pulling stirrup cage is welding procedure zone of action, the welding procedure activity
Region is convenient to carry out welding activity to general steel plate component (5) and double-way opposed-pulling stirrup cage, has welded in general steel plate component (5)
Cheng Hou, the crotch steel plate member (6) is mounted by crotch to be fixed in the double-way opposed-pulling stirrup cage, and the crotch steel
Board member (6) with it is tangent on the outside of double-way opposed-pulling stirrup cage.
9. concrete-filled double skin steel tube colossal column according to claim 7, it is characterised in that: the crotch steel plate member
(6) position corresponding with transverse steel is equipped with plug welding slot at crotch, and the crotch steel plate member (6) is mounted on double-way opposed-pulling hoop
After on the horizontal line reinforcing bar of muscle cage, then plug welding is in double-way opposed-pulling stirrup cage.
10. concrete-filled double skin steel tube colossal column according to claim 7, it is characterised in that: the double-way opposed-pulling hoop
The bending of muscle (3) both ends, and the bending part of the double-way opposed-pulling stirrup (3) and the inner wall of inside and outside rectangle steel tubing string (2) are tangent
Connection, junction and inside and outside rectangle steel tubing string (2) are welded.
11. concrete-filled double skin steel tube colossal column according to claim 7, it is characterised in that: the crotch steel plate structure
Multiple groups crotch, each layer of double-way opposed-pulling hoop on the position of crotch described in each group and double-way opposed-pulling stirrup cage are equipped on the inside of part (6)
Muscle (3) is corresponding, and every group of crotch includes multiple crotches that transversely reinforcing bar is laid.
12. a kind of construction method of concrete-filled double skin steel tube colossal column, characterized by the following steps:
A, according to practice of construction situation determine in rectangle steel pipe column (1), outer rectangle steel tubing string (2), double-way opposed-pulling stirrup cage ruler
It is very little, interior rectangle steel pipe column (1) and double-way opposed-pulling stirrup cage are assembled, the general steel plate for assembling outer rectangle steel tubing string (2) is prepared
Component (5) and crotch steel plate member (6), the crotch steel plate member (6) include steel plate member and are fixed on the inside of steel plate member
Multiple groups crotch, the position of crotch described in each group is corresponding with each layer double-way opposed-pulling stirrup (3) in double-way opposed-pulling stirrup cage,
The double-way opposed-pulling stirrup cage is equipped with crotch position the corresponding lateral steel laterally laid with crotch steel plate member (6) junction
Muscle, the transverse steel are welded on the end of double-way opposed-pulling stirrup (3), and it is two-way right that the same direction in same layer is laid
Draw stirrup (3) connection integral；
B, after interior rectangle steel pipe column (1) being fixed on bottom plate or basis, double-way opposed-pulling stirrup cage is covered from top to bottom in interior rectangle
On the outside of steel pipe column (1), then the outer wall on the inside of steel reinforcement cage with interior rectangle steel pipe column (1) is welded and fixed；
C, outer rectangle steel tubing string (2) is installed: determining the general steel plate component (5) and crotch steel plate of outer rectangle steel tubing string (2) first
Pre-installed position of the component (6) on the outside of double-way opposed-pulling stirrup cage, the pre-installed position of the crotch steel plate member (6) is for convenience
Welding activity is carried out to general steel plate component (5) and double-way opposed-pulling stirrup cage, then by general steel plate component (5) with bottom plate or base
Plinth is connected, and general steel plate component (5) is welded on double-way opposed-pulling stirrup cage by the pre-installed position of crotch steel plate member (6)
Crotch steel plate member (6) is then mounted the transverse steel for being fixed on the double-way opposed-pulling stirrup cage by outside by multiple groups crotch
On, and it is the bottom of crotch steel plate member (6) and bottom plate or basis is fixed, finally by between adjacent general steel plate component (5),
Welding assembly between general steel plate component (5) and crotch steel plate member (6), so that interior rectangle steel pipe column (1) and outer rectangular steel pipe
The hollow sandwich of built-in double-way opposed-pulling stirrup cage is formed between column (2)；
D, after the completion of every layer of inside and outside rectangle steel tubing string (2) and double-way opposed-pulling stirrup cage are laid, height is poured in hollow sandwich
Reinforced concrete and vibration compacting.
13. the construction method of concrete-filled double skin steel tube colossal column according to claim 12, it is characterised in that: when pouring
After having built high-strength concrete, Lift & Stairs are installed in colossal column inner space, the stair are prefabricated assembled stair or whole
Body cast-type reinforced concrete stairs.
14. the construction method of concrete-filled double skin steel tube colossal column according to claim 12, it is characterised in that: described
Double-way opposed-pulling stirrup cage includes more and indulges muscle (8) along short transverse laying, the positioning to play the role of positioning and be fixed on the vertical muscle of positioning
(8) it is laterally laid on double-way opposed-pulling stirrup (3), the double-way opposed-pulling stirrup (3) is vertical muscle (8) along positioning on positioning vertical muscle (8)
Extending direction is laid with multilayer with a fixed spacing, and the both ends of the double-way opposed-pulling stirrup (3) are separately fixed inside and outside rectangle steel
It is vertical to be fixed on positioning in the middle part of the double-way opposed-pulling stirrup (3) for tubing string (2) opposite face and outer rectangle steel tubing string (2) opposite face
On muscle (8).
15. the construction method of concrete-filled double skin steel tube colossal column according to claim 12, it is characterised in that: described
For double-way opposed-pulling stirrup cage in production, transverse steel that double-way opposed-pulling stirrup cage is connected with crotch steel plate member (6) is to inside contracting
Into a distance to match with crotch size, for accommodating crotch.
16. the construction method of concrete-filled double skin steel tube colossal column according to claim 12, it is characterised in that: described
Crotch steel plate member (6) position corresponding with transverse steel at crotch is equipped with plug welding slot, and the crotch steel plate member (6) mounts
After on the horizontal line reinforcing bar of double-way opposed-pulling stirrup cage, then plug welding is in double-way opposed-pulling stirrup cage.
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| CN109457870B (en) | 2023-10-27 |
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