CN106639151B - Built-in X-type is to drawing steel plate type welding rectangular steel-tube concrete column and construction method - Google Patents
Built-in X-type is to drawing steel plate type welding rectangular steel-tube concrete column and construction method Download PDFInfo
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- CN106639151B CN106639151B CN201611249027.XA CN201611249027A CN106639151B CN 106639151 B CN106639151 B CN 106639151B CN 201611249027 A CN201611249027 A CN 201611249027A CN 106639151 B CN106639151 B CN 106639151B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 254
- 239000010959 steel Substances 0.000 title claims abstract description 254
- 239000004567 concrete Substances 0.000 title claims abstract description 130
- 238000003466 welding Methods 0.000 title claims abstract description 122
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000005755 formation reaction Methods 0.000 claims description 7
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 230000011218 segmentation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 18
- 238000005452 bending Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 230000036571 hydration Effects 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 4
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 3
- 240000005158 Phaseolus vulgaris Species 0.000 description 3
- 230000006399 behavior Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The invention discloses a kind of built-in X-type to drawing steel plate type welding rectangular steel-tube concrete column and construction method, including welding rectangular steel pipe, X-type to drawing steel plate, rectangular steel pipe diagonal positions are welded provided with the X-type together with its corner welding to drawing steel plate, the X-type is respectively arranged at the both ends of welding rectangular steel pipe to drawing steel plate to include two pieces；Every piece of X-type is welded to drawing steel plate to be formed by one piece of main steel plate and two pieces of helper spring X-type cross, and by X-type to drawing steel plate longitudinal seam；Concrete has been poured to the inside configuration for drawing steel plate assembling in welding rectangular steel pipe, X-type.By X-type to drawing effective segmentation of the steel plate to core concrete, add restriction ability of the welding rectangular steel pipe to core concrete, be advantageous to improve the interfacial adhesion slip property of welding rectangular steel-tube concrete column, the adhesion strength and integrated carrying ability for making welding rectangular steel-tube concrete column significantly improve, and save steel and concrete material.
Description
Technical field
The present invention relates to the building element in building structure and its construction method, in particular to a kind of built-in X-type to drawing steel
Board-like welding rectangular steel-tube concrete column and its construction method.
Background technology
Concrete filled steel tube refers to the fill concrete in steel pipe, and steel pipe and its core concrete bear external load effect jointly
Structural elements.Compared with reinforced column, in steel core concrete column, steel pipe makes to mix to the effect of contraction of its inner concrete
Solidifying soil is in three dimension stress state, improves the compression strength of concrete, the concrete of steel duct can be prevented effectively again
Local buckling occurs for steel pipe, and the interaction between steel pipe and concrete makes the destruction of steel duct concrete be turned by brittle break
It is changed into plastic failure, the ductile performance of component is obviously improved, and energy dissipation capacity greatly improves, and has good anti-seismic performance.Meanwhile
Template is not needed during Construction of Steel Pipe Concrete Column, formwork, the material of form removal and labour cost is saved, also saves the time.Cause
This, steel core concrete column obtains in high-rise and super-high building structure, large-scale heavy duty industrial premises and long-span bridges
It is widely applied.
For circular steel tube concrete post, rectangular steel-tube concrete column good appearance is welded, makes simple, beam column
Node is easy to connect, it is easier to meets requirement of the building using function.But welding rectangular steel-tube concrete column acts in pressure
Under, to the binding effect of core concrete be not as notable as concrete-filled circular steel tube column, weld the steel pipe one of rectangular steel-tube concrete column
As be welded to form by four blocks of steel plates, result in welding rectangular steel pipe it is poor to the overall effect of restraint of core concrete, bearing capacity compared with
It is low, ductility is poor, hinder application of the welding rectangular steel-tube concrete column on high-rise, high-rise building to a certain extent.
Because the deformability of two kinds of materials of steel pipe and concrete, mechanical property and damage -form are different, in steel tube concrete
In earth pillar practical engineering application, load is general first to be undertaken by the steel pipe walls of welding rectangular steel-tube concrete column, then by steel pipe with
External load is progressively passed to core concrete by the interfacial adhesion between core concrete, by the bond-slip of certain length
Afterwards, the cooperation of steel pipe and concrete is realized.The interfacial adhesion size welded between rectangular steel pipe and core concrete is straight
Connecing influences the service behaviour of welding rectangular steel-tube concrete column, therefore, how to strengthen and is welded in welding rectangular steel-tube concrete column
Interface binding intensity problem between rectangular steel pipe and concrete is engineering circles more concern.
When the cross section for welding rectangular steel-tube concrete column is larger, the core concrete volume in steel pipe is larger, substantially
After product concreting, it, which condenses, can produce shrinkage phenomenon in hardening process and discharge the substantial amounts of heat of hydration so that welding rectangle
The effect of restraint of core concrete is reduced steel pipe and core concrete internal temperature is higher, and surface temperature is relatively low, core coagulation
Soil is also easy to produce the defects of bulging, crack and temperature deformation, to weld the bearing capacity of rectangular steel-tube concrete column, interfacial adhesion and
The performances such as durability have a negative impact.
" strong column and weak beam, strong shear capacity and weak bending capacity, the strong weak component of node " is the weight employed in seismic design of structures and current specifications
The design philosophy wanted, refer to that pillar does not destroy prior to beam, be locality, pillar is broken because beam, which destroys, belongs to component damage
The bad safety that will jeopardize total, may total Collapse, consequence is serious.So to ensure pillar more in seismic design of structures
" relative " safety, therefore want " strong column and weak beam "；" bending failure " is ductile fracture, be it is premonitory, such as cracking or downwarp, and
" failure by shear " is a kind of brittle destruction, do not have it is premonitory, it is instantaneous to occur, do not take precautions against, so will in seismic design of structures
Avoid that failure by shear occurs." the strong weak component of node ", which refers to, goes out the plastic hinge of building structure central sill Column border node in seismic design of structures
Present beam-ends, plastic hinge must be avoided to appear in pillar end, to improve the deformability of structure, structure can preferably consume energy,
Strengthen ductility, prevent building from collapsing under violent earthquake effect, because the Liang Yuzhu that node failure means to be attached thereto loses
Effect, so, the bearing capacity of node is higher than connecting elements.The design philosophy of " strong column and weak beam, strong shear capacity and weak bending capacity, the strong weak component of node "
It can be effectively ensured and reach structural seismic and set up defences target, while seismic design of structures is accomplished economical rationality again.In actual work
Cheng Zhong, due to the effect of the differential settlement and vertical load of ground, in geological process, the end of pillar, which is substantially all, to go out
The generation of X-shaped crack is now significantly had at damage or destruction and bean column node.How to ensure " strong column and weak beam, strong shear capacity and weak bending capacity, by force
The design philosophy of the weak component of node " is preferably realized in Anti-quake Architectural Structure Design, and engineering field practitioner is always
The importance of research and probe.
Therefore need in engineering practice to provide a kind of construction is convenient, interface binding intensity is high, more meet " strong column and weak beam, by force
Cut weak curved, the strong weak component of node " design philosophy, and core concrete contraction can be effectively reduced, make temperature inside core concrete
Degree is reduced, the welding rectangular steel-tube concrete column of economical rationality, and the entirety for substantially increasing welding rectangular steel-tube concrete column is held
Carry power, ductility and service behaviour.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, there is provided a kind of built-in X-type is to drawing steel plate type welding rectangle steel
Pipe concrete column and its construction method, it includes welding rectangular steel pipe, X-type to drawing steel plate and core concrete, the welding square
Shape steel pipe is welded by four blocks of steel plates, and X-type is located at welding rectangular steel pipe pair to drawing steel plate to offer circular opening along longitudinal direction
Diagonal position, and four longitudinal angle weld seams by welding rectangular steel pipe weld together with welding rectangular steel pipe, the core
Concreting is in welding rectangular steel pipe and X-type to drawing in the space that steel plate is surrounded.By X-type to drawing steel plate to core coagulation
Effective segmentation of soil, restriction ability of the welding rectangular steel pipe to core concrete is added, be advantageous to improve welding rectangular steel pipe
The interfacial adhesion slip property of concrete column, make the adhesion strength of welding rectangular steel-tube concrete column and integrated carrying ability notable
Improve, save steel and concrete material, meanwhile, X-type can effectively reduce core coagulation to drawing steel plate to have heat-conductive bridges function
Temperature inside soil, effectively reduces the contraction of core concrete.Present invention simultaneously discloses its construction method.
Technical scheme is as follows：
A kind of built-in X-type is to drawing steel plate type welding rectangular steel-tube concrete column, including welding rectangular steel pipe, X-type to drawing steel
Plate and concrete, it is described to weld rectangular steel pipe diagonal positions provided with the X-type together with its corner welding to drawing steel plate, it is described
X-type is respectively arranged at the both ends of welding rectangular steel pipe, highly 1/4 for welding rectangular steel pipe clear height to drawing steel plate to include two pieces；
Every piece of X-type is formed to drawing steel plate by one piece of main steel plate and two pieces of helper spring X-type cross, and by X-type to drawing steel plate longitudinal seam
It is welded；In welding rectangular steel pipe and X-type core concrete is poured to drawing in the space that steel plate is surrounded.
Preferably, the welding rectangular steel pipe is welded by four blocks of steel plates, and cross section is rectangle.
Preferably, the main steel plate and helper spring uniformly open up the steel plate of circular opening, its thickness and circular port for longitudinal direction
Size, the spacing in hole are determined by design requirements such as the seismic behaviors, bearing capacity, interface binding intensity of welding rectangular steel-tube concrete column
It is fixed.
Preferably, the X-type is to drawing the steel structure member that steel plate is cross section X-shaped, its size and welding rectangular steel pipe
Concrete column Diagonal Dimension matches.
Preferably, the X-type is to drawing steel plate by welding four longitudinal angle weld seams of rectangular steel pipe with welding rectangular steel pipe
Weld together, welding rectangular steel pipe is formed built-in X-type overall to drawing steel plate type steel construction.
Preferably, the X-type is completed to drawing steel plate to shift to an earlier date with the steel plate needed for welding rectangular steel pipe in factory process, and
Groove is carried out according to the design size of welding rectangular steel-tube concrete column in advance.
Specific construction method is as follows：
(1) according to welding rectangular steel-tube concrete column design size, it will process along longitudinal direction and be uniformly provided with circular opening
Main steel plate and helper spring by X-type to draw steel plate longitudinal seam be welded into X-shaped to draw steel plate；
(2) by the X-type being welded to drawing steel plate to be placed in the diagonal positions at welding rectangular steel pipe both ends, and along welding rectangle
Steel pipe longitudinal direction height is about in the range of 1/4 post clear height, finally, the steel plate welded needed for rectangular steel pipe is welded into welding square successively
The X-shaped at shape steel pipe both ends is to the four sides of drawing steel plate, and X-type built in formation is to drawing steel plate type welding rectangular steel pipe；
(3) at the construction field (site), by prefabricated built-in X-type to drawing steel plate type welding rectangular steel pipe to be lifted into corresponding installation position
Postpone, core concrete is poured to drawing in steel plate type welding rectangular steel pipe to built-in X-type, after core concrete hardening built in formation
X-type is to drawing steel plate type welding rectangular steel-tube concrete column.
The positive effect of the present invention is：
(1), to drawing the effective drawknot of steel plate, realized by welding both ends X-type in rectangular steel-tube concrete column to welding square
Effective segmentation of shape steel core concrete column, the effect of restraint to welding rectangular steel pipe inner core concrete is enhanced, is effectively improved
The integrated carrying ability of welding rectangular steel-tube concrete column.
(2), to drawing the effective drawknot of steel plate, welding rectangle is strengthened by welding both ends X-type in rectangular steel-tube concrete column
The weak part of four longitudinal angle weld seams of steel pipe, prevent from welding the longitudinal fillet weld at rectangular steel-tube concrete column both ends during axial compression
Drum is bent too early or ftractures for seam.
(3) vertical load can not only be undertaken to drawing steel plate by welding X-type in rectangular steel pipe, improve element bearing capacity, and
Welding rectangular steel pipe pipe thickness can be reduced, reduce the cross section of welding rectangular steel-tube concrete column, save material, make
Effective usable floor area of building is increased, and meets the needs of building.
(4) by drawing the circular opening that opens up on steel plate, being advantageous to improve the pouring quality of core concrete in X-type,
So that entirety is connected as to the core concrete for drawing steel plate partition by X-type, meanwhile, core concrete can be made to X-type to drawing again
Steel plate forms preferably parcel effect.X-type is to drawing steel plate can be by shearing the core concrete in circular opening, to resist welding
The interface sliding of rectangular steel-tube concrete column, the interface binding intensity of welding rectangular steel pipe and core concrete is added, improved
The anti-slipping property energy and its integral working of welding rectangular steel-tube concrete column.
(5) by, to drawing steel plate, strengthening pillar both ends in welding rectangular steel-tube concrete column both ends interior welds X-type
Shear-carrying capacity, X-type make welding rectangular steel pipe be internally formed mutually stable drawknot effect to drawing the circular opening that steel plate opens up
Should, be advantageous to improve the strength and stiffness of welding rectangular steel-tube concrete column, avoid the generation in bean column node X-shaped crack,
The design philosophy of " strong column and weak beam, strong shear capacity and weak bending capacity, the strong weak component of node " is preferably realized, ensure that the reality of aseismic fortification objects
It is existing.
(6) X-type set in rectangular steel-tube concrete column both ends is welded to drawing steel plate that there is heat-conductive bridges function, by built-in
Conduction of the X-type to drawing steel plate, the heat of hydration inside core concrete can be passed to welding rectangle steel tube wall, core is accelerated and mix
Coagulate native internal heat to distribute, while effectively prevent and make welding rectangular steel pipe because of the contraction of core concrete to core coagulation
The phenomenon that the effect of restraint of soil reduces, is eliminated because of core concrete bulging, crack caused by core concrete hydration heat effect
And the adverse effect such as temperature deformation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the schematic perspective view of the present invention；
Fig. 2 is the X-type of the present invention to drawing steel plate structure schematic diagram；
Fig. 3 is the top view of the present invention；
Fig. 4 is the internal structure schematic diagram of the present invention
Fig. 5, Fig. 6 are the X-types of the present invention to drawing steel plate main steel plate, X-type to drawing steel plate helper spring structural representation
In figure：1- welds rectangular steel pipe, and 2-X types are to drawing steel plate, and 3- main steel plates, 4- helper springs, 5-X types are to drawing steel plate longitudinal direction
Weld seam, 6- welding rectangular steel pipe longitudinal angle weld seams, 7- core concretes, 8- circular openings.
Embodiment
The present invention is described in detail referring to the drawings：
As shown in Fig. 1~Fig. 6, for a kind of built-in X-type to drawing steel plate type welding rectangular steel-tube concrete column, it includes welding square
Shape steel pipe 1, X-type are to drawing steel plate 2 and core concrete 7；Welding rectangular steel pipe 1 and X-type are poured drawing in the space that steel plate is surrounded
Build core concrete 7.
Welding rectangular steel pipe 1 is that the cross section that four blocks of steel plates are welded is the steel pipe of rectangle.
X-type is to drawing the steel construction structure that the cross section that steel plate 2 is welded by one piece of main steel plate 3 and two blocks of helper springs 4 is X-shaped
Part；The device includes two pieces of X-types to drawing steel plate 2, highly 1/4 for longitudinal measure rectangular steel-tube concrete column clear height, respectively
It is arranged at the both ends of pillar；The shear-carrying capacity at pillar both ends is strengthened, X-type makes welding to drawing the circular opening that steel plate opens up
Rectangular steel pipe is internally formed mutually stable drawknot effect, is advantageous to improve the intensity and just of welding rectangular steel-tube concrete column
Degree, avoids the generation in bean column node X-shaped crack, preferably realizes " strong column and weak beam, strong shear capacity and weak bending capacity, the strong weak component of node "
Design philosophy, ensure that the realization of aseismic fortification objects.
The X-type is to drawing steel plate positioned at the diagonal positions of welding rectangular steel pipe 1, and X-type is to drawing steel plate to pass through four welderings
Connect rectangular steel pipe longitudinal angle weld seam 6 with welding rectangular steel pipe 1 to weld together, welding rectangular steel pipe 1 is formed built-in X-type to drawing
The steel structure member of steel plate；, to drawing the effective drawknot of steel plate, weldering is strengthened by welding both ends X-type in rectangular steel-tube concrete column
The weak part of four longitudinal angle weld seams of rectangular steel pipe is connect, prevents from welding the vertical of rectangular steel-tube concrete column both ends during axial compression
To angle welding, drum is bent too early or ftractures.
X-type longitudinally offers circular opening 8 to drawing steel plate helper spring 4 to drawing steel plate main steel plate 3 and X-type along steel plate, and
Circular opening 8 is evenly arranged along longitudinal direction；By, to drawing the circular opening 8 opened up on steel plate 2, being advantageous to raising core in X-type and mixing
Coagulate the pouring quality of soil so that entirety is connected as to the core concrete for drawing steel plate 2 to split by X-type, meanwhile, core can be made again
Concrete is to X-type to drawing steel plate 2 to form preferably parcel effect.X-type is to drawing steel plate 2 can be by shearing the core in circular opening 8
Heart concrete, to resist the interface sliding of welding rectangular steel-tube concrete column, add welding rectangular steel pipe 1 and core concrete
Interface binding intensity, improve welding rectangular steel-tube concrete column anti-slipping property energy and its integral working.
Rectangular steel pipe 1, X-type are welded to drawing steel plate main steel plate 3 and X-type to drawing steel plate needed for steel plate helper spring 4 can advance root
Formed according to the design size of welding rectangular steel-tube concrete column in factory process, then by X-type to drawing the longitudinal seam 5 of steel plate 2
By one piece of X-type to drawing steel plate main steel plate 3 and two pieces of X-types to form X-type to drawing steel plate 2 to drawing steel plate helper spring 4 to weld together.
Four blocks of steel plates for welding rectangular steel pipe 1 are welded to steel pipe by four welding rectangular steel pipe longitudinal angle weld seams 6 respectively
The X-type at concrete column both ends to draw steel plate 2 four sides, to welding rectangular steel pipe 1 in pour core concrete 7 after, X built in formation
Type is to drawing steel plate type welding rectangular steel-tube concrete column；The X-type set in rectangular steel-tube concrete column both ends is welded to drawing steel plate 2
With heat-conductive bridges function, by conduction of the built-in X-type to drawing steel plate 2, the heat of hydration inside core concrete can be passed to weldering
The wall of rectangular steel pipe 1 is connect, accelerates distributing for core concrete internal heat, while effectively prevent the contraction because of core concrete
And the phenomenon for making welding rectangular steel pipe 1 reduce the effect of restraint of core concrete, eliminate because of core concrete aquation thermal effect
The adverse effect such as core concrete bulging, crack and temperature deformation caused by answering.
Above-mentioned built-in X-type comprises the following steps to drawing steel plate type to weld the construction method of rectangular steel-tube concrete column：
(1) according to the welding concrete column design size of rectangular steel pipe 1, it will process along longitudinal direction and be uniformly provided with circular opening
8 X-type is to drawing steel plate main steel plate 3 and X-type to drawing steel plate helper spring 4 by X-type to drawing steel plate longitudinal seam 5 to be welded into X-shaped pair
Steel plate 2 is drawn, then, by the X-type being welded to drawing steel plate 2 to be placed in the diagonal positions at welding rectangular steel pipe 1 both ends, and along welding
The longitudinal direction of rectangular steel pipe 1 height is about in the range of 1/4 post clear height, and finally, the steel plate welded needed for rectangular steel pipe 1 is welded to successively
The four sides of the X-shaped to drawing steel plate 2 at the both ends of rectangular steel pipe 1 is welded, X-type built in formation is to drawing steel plate type welding rectangular steel pipe 1.
(2) at the construction field (site), by prefabricated built-in X-type to drawing steel plate type welding rectangular steel pipe to be lifted into corresponding installation position
Postpone, core concrete 7 is poured to drawing in steel plate type welding rectangular steel pipe to built-in X-type, after core concrete 7 hardens in formation
X-type is put to drawing steel plate type welding rectangular steel-tube concrete column.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention,
Some improvement can also be made, these improvement also should be regarded as protection scope of the present invention.Each composition being not known in the present embodiment
The available prior art in part is realized.
Claims (6)
1. a kind of built-in X-type is to drawing steel plate type welding rectangular steel-tube concrete column, it is characterised in that including welding rectangular steel pipe, X
Type is to drawing steel plate and concrete, and the welding rectangular steel pipe diagonal positions are provided with the X-type together with its corner welding to drawing
Steel plate, the X-type are respectively arranged at the both ends of welding rectangular steel pipe to drawing steel plate to include two pieces；Every piece of X-type is to drawing steel plate by one
Block main steel plate and two pieces of helper spring X-type cross are formed, and by X-type to drawing steel plate longitudinal seam to be welded；In welding rectangle
Steel pipe and X-type pour core concrete to drawing in the space that steel plate is surrounded；The main steel plate and helper spring are uniformly opened for longitudinal direction
If the steel plate of circular opening.
2. built-in X-type as claimed in claim 1 is to drawing steel plate type welding rectangular steel-tube concrete column, it is characterised in that described
Welding rectangular steel pipe is welded by four blocks of steel plates, and cross section is rectangle.
3. built-in X-type as claimed in claim 1 is to drawing steel plate type welding rectangular steel-tube concrete column, it is characterised in that the X
Type is to drawing the steel structure member that steel plate is cross section X-shaped, and its size is with welding rectangular steel-tube concrete column Diagonal Dimension phase
Matching.
4. built-in X-type as claimed in claim 1 is to drawing steel plate type welding rectangular steel-tube concrete column, it is characterised in that institute
It is prefabricated component to drawing steel plate and the steel plate welded needed for rectangular steel pipe to state X-type, and setting according to welding rectangular steel-tube concrete column
Meter size carries out groove design in advance.
5. built-in X-type as claimed in claim 1 is to drawing steel plate type welding rectangular steel-tube concrete column, it is characterised in that two pieces of X
Type is to drawing the height of steel plate as the 1/4 of welding rectangular steel pipe clear height.
6. built-in X-type as claimed in claim 1 is to drawing steel plate type to weld the construction method of rectangular steel-tube concrete column, its feature
It is：
（1）According to welding rectangular steel-tube concrete column design size, the master that circular opening is uniformly provided with along longitudinal direction that will be processed
Steel plate and helper spring are welded into X-shaped to drawing steel plate by X-type to drawing steel plate longitudinal seam；
（2）By the X-type being welded to drawing steel plate to be placed in the diagonal positions at welding rectangular steel pipe both ends, and along welding rectangular steel pipe
Longitudinal direction height is about in the range of 1/4 post clear height, finally, the steel plate welded needed for rectangular steel pipe is welded into welding rectangle steel successively
The X-shaped at pipe both ends is to the four sides of drawing steel plate, and X-type built in formation is to drawing steel plate type welding rectangular steel pipe；
（3）At the construction field (site), by prefabricated built-in X-type to drawing steel plate type welding rectangular steel pipe to be lifted into corresponding installation site
Afterwards, core concrete is poured in steel plate type welding rectangular steel pipe to drawing to built-in X-type, X built in formation after core concrete hardening
Type is to drawing steel plate type welding rectangular steel-tube concrete column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249027.XA CN106639151B (en) | 2016-12-29 | 2016-12-29 | Built-in X-type is to drawing steel plate type welding rectangular steel-tube concrete column and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249027.XA CN106639151B (en) | 2016-12-29 | 2016-12-29 | Built-in X-type is to drawing steel plate type welding rectangular steel-tube concrete column and construction method |
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| Publication Number | Publication Date |
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| CN106639151A CN106639151A (en) | 2017-05-10 |
| CN106639151B true CN106639151B (en) | 2017-11-28 |
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| CN108277878A (en) * | 2018-01-24 | 2018-07-13 | 江南大学 | A kind of assembled steel-Combined concrete frame structure |
| RU191866U1 (en) * | 2019-05-13 | 2019-08-26 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский государственный архитектурно-строительный университет" (КазГАСУ) | STEEL CONCRETE STAND |
| CN113982191A (en) * | 2021-09-10 | 2022-01-28 | 江苏省建筑工程集团有限公司 | Group pile single-column construction structure and construction method thereof |
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| JP2006233548A (en) * | 2005-02-24 | 2006-09-07 | Toda Constr Co Ltd | Precast concrete member |
| CN101581115B (en) * | 2009-06-08 | 2010-11-10 | 清华大学 | Mixed steel-concrete composite frame structure |
| CN105133790A (en) * | 2015-08-28 | 2015-12-09 | 风范绿色建筑（常熟）有限公司 | High-strength square steel tube concrete pillar |
| CN105714984B (en) * | 2016-01-28 | 2020-05-19 | 广东工业大学 | Square and special-shaped concrete-filled steel tube column with built-in round tube and tie bars and construction method thereof |
| CN205712739U (en) * | 2016-04-22 | 2016-11-23 | 广西大学 | Built-in ten shape ultra-high performance concrete section bars strengthen normal concrete coupled column |
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