CN106639151A - Built-in X-shaped opposite-pulling steel plate type welded rectangular concrete filled steel tubular column and construction method - Google Patents
Built-in X-shaped opposite-pulling steel plate type welded rectangular concrete filled steel tubular column and construction method Download PDFInfo
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- CN106639151A CN106639151A CN201611249027.XA CN201611249027A CN106639151A CN 106639151 A CN106639151 A CN 106639151A CN 201611249027 A CN201611249027 A CN 201611249027A CN 106639151 A CN106639151 A CN 106639151A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 262
- 239000010959 steel Substances 0.000 title claims abstract description 262
- 239000004567 concrete Substances 0.000 title claims abstract description 132
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 123
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 18
- 239000002689 soil Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 230000001965 increased Effects 0.000 description 5
- 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
- 238000000034 method Methods 0.000 description 4
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 3
- 240000005158 Phaseolus vulgaris Species 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
- 230000011218 segmentation Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 230000002708 enhancing Effects 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
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 built-in X-shaped opposite-pulling steel plate type welded rectangular concrete filled steel tubular column and a construction method. The built-in X-shaped opposite-pulling steel plate type welded rectangular concrete filled steel tubular column comprises a welded rectangular steel pipe and X-shaped opposite-pulling steel plates; the X-shaped opposite-pulling steel plates welded to the corners of the welded rectangular steel pipe are arranged at the diagonal line positions of the welded rectangular steel pipe; the two X-shaped opposite-pulling steel plates are arranged at the two ends of the welded rectangular steel pipe correspondingly; each X-shaped opposite-pulling steel plate is formed by crossing a main steel plate and two auxiliary steel plates in an X shape and welding longitudinal welding lines of the X-shaped opposite-pulling steel plate; and concrete is poured into the structure formed by assembling the welded rectangular steel pipe and the X-shaped opposite-pulling steel plates. The core concrete is effectively divided through the X-shaped opposite-pulling steel plates, so that the constraint capacity of the welded rectangular steel pipe to the core concrete is improved, and the interface bonding slip performance of the welded rectangular concrete filled steel tubular column is improved advantageously; and accordingly, the bonding strength and the overall bearing capacity of the welded rectangular concrete filled steel tubular column are remarkably improved, and steel and concrete materials are saved.
Description
Technical field
The present invention relates to the building element and its construction method in building structure, specifically refers 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, and the concrete of steel duct can be effectively prevented again
There is local buckling in steel pipe, 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 is greatly improved, with 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, the time is also saved.Cause
This, steel core concrete column is obtained 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 looking appearance is welded, make simple, beam column
Node is easy to connect, it is easier to meet requirement of the building using function.But, welding rectangular steel-tube concrete column is acted in pressure
Under, concrete-filled circular steel tube column is not so good as significantly to the binding effect of core concrete, 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
Low, ductility is poor, and application of the welding rectangular steel-tube concrete column on high-rise, high-rise building is hindered to a certain extent.
Due to steel pipe it is different with damage -form with the deformability of concrete bi-material, mechanical property, 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 interfacial adhesion between core concrete core concrete, through the bond-slip of certain length
Afterwards, the cooperation of steel pipe and concrete is realized.Interfacial adhesion size between welding rectangular steel pipe and core concrete is straight
Connecing affects the service behaviour of welding rectangular steel-tube concrete column, therefore, how to strengthen and 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 to condense and 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 such as 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 weak component of strong node " is seismic design of structures and the weight employed in current specifications
The design philosophy wanted, refers to pillar and does not destroy prior to beam, is locality because beam destruction belongs to component damage, and pillar breaks
It is bad to jeopardize the safety of 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, is premonitory, such as cracking or downwarp, and
" failure by shear " is a kind of destruction of fragility, does not have premonitory, instantaneous to occur, no strick precaution, so will in seismic design of structures
Avoid failure by shear." strong node weak component " refers to that the plastic hinge that building structure central sill Column border node is made in seismic design of structures goes out
Now beam-ends, must avoid plastic hinge from occurring 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 node failure means that the Liang Yuzhu being 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 weak component of strong node "
Can be effectively ensured and reach structural seismic to set up defences target, while and making seismic design of structures accomplish economical rationality.In actual work
Cheng Zhong, the differential settlement and the effect of vertical load due to ground, in geological process, the end of pillar is substantially all can go out
Now significantly damage or destroy and have at bean column node the generation of X-shaped crack.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 " preferably realizes in Anti-quake Architectural Structure Design, be also engineering field practitioner always
The importance of research and probe.
Therefore need to provide in engineering practice it is a kind of construct that convenient, interface binding intensity is high, more meet " strong column and weak beam, by force
Cut weak curved, the weak component of strong node " design philosophy, and core concrete contraction can be effectively reduced, make core concrete inside temperature
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 for the deficiencies in 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 to drawing, steel plate edge is longitudinal to offer circular opening to X-type, and positioned at welding rectangular steel pipe pair
Diagonal position, and welded together with welding rectangular steel pipe by welding four longitudinal angle weld seams of rectangular steel pipe, the core
Concreting is in the space that welding rectangular steel pipe and X-type are surrounded to drawing steel plate.By X-type to drawing steel plate to core coagulation
Effective segmentation of soil, increased restriction ability of the welding rectangular steel pipe to core concrete, be conducive to improving welding rectangular steel pipe
The interfacial adhesion slip property of concrete column, makes the adhesion strength and integrated carrying ability of welding rectangular steel-tube concrete column 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, the welding rectangular steel pipe diagonal positions are provided with the X-type together with its corner welding to drawing steel plate, described
X-type is respectively arranged at the two ends of welding rectangular steel pipe to drawing steel plate to include two pieces, is highly the 1/4 of welding rectangular steel pipe clear height；
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；Core concrete is poured in the space that welding rectangular steel pipe and X-type are surrounded to drawing steel plate.
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 are the steel plate that longitudinal direction uniformly opens up circular opening, its thickness and circular port
The size in hole, spacing are determined by design requirements such as seismic behavior, bearing capacity, the interface binding intensities for welding rectangular steel-tube concrete column
It is fixed.
Preferably, the X-type is to drawing steel plate for the steel structure member of 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 four longitudinal angle weld seams of welding rectangular steel pipe and welding rectangular steel pipe
Weld together, make welding rectangular steel pipe form built-in X-type to drawing steel plate type steel construction entirety.
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 in advance according to the design size of welding rectangular steel-tube concrete column.
Specific construction method is as follows：
(1) according to welding rectangular steel-tube concrete column design size, the edge for processing longitudinally is uniformly provided with into 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 two 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 needed for welding rectangular steel pipe is welded to successively into welding square
Four sides of the X-shaped at shape steel pipe two ends to drawing steel plate, forms built-in X-type 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, form built-in after core concrete hardening
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 to welding square by welding two ends X-type in rectangular steel-tube concrete column
Effective segmentation of shape steel core concrete column, enhances the effect of restraint to welding rectangular steel pipe inner core concrete, effectively improves
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 two ends X-type in rectangular steel-tube concrete column
The weak part of four longitudinal angle weld seams of steel pipe, prevents from welding the longitudinal fillet weld at rectangular steel-tube concrete column two ends during axial compression
Too early drum is bent or ftractures for seam.
(3) weld X-type in rectangular steel pipe and, to drawing steel plate to undertake vertical load, improve element bearing capacity, and
Welding rectangular steel pipe pipe thickness can be reduced, the cross section for making welding rectangular steel-tube concrete column reduces, and saves material, makes
Effective usable floor area of building is increased, and meets the needs of building.
(4), to drawing the circular opening opened up on steel plate, be conducive to improving the pouring quality of core concrete by 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 can pass through the core concrete in shearing circular opening to resist welding to drawing steel plate
The interface sliding of rectangular steel-tube concrete column, increased the interface binding intensity of welding rectangular steel pipe and core concrete, improve
The anti-slipping property energy and its integral working of welding rectangular steel-tube concrete column.
(5), to drawing steel plate, pillar two ends are strengthened by welding rectangular steel-tube concrete column two ends interior welds X-type
Shear-carrying capacity, X-type makes welding rectangular steel pipe be internally formed mutually stable drawknot effect the circular opening for drawing steel plate to open up
Should, be conducive to improving the strength and stiffness of welding rectangular steel-tube concrete column, it is to avoid the generation in bean column node X-shaped crack,
Preferably realize the design philosophy of " strong column and weak beam, strong shear capacity and weak bending capacity, the weak component of strong node ", it is ensured that the reality of aseismic fortification objects
It is existing.
(6) X-type arranged in rectangular steel-tube concrete column two 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, can pass to welding rectangle steel tube wall by the heat of hydration inside core concrete, accelerate core and mix
Distributing for soil internal heat is coagulated, while effectively prevent that welding rectangular steel pipe is made because of the contraction of core concrete to core coagulation
The phenomenon that the effect of restraint of soil is reduced, eliminates core concrete bulging, the crack produced because of core concrete hydration heat effect
And the adverse effect such as temperature deformation.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is 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 be with 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, to drawing steel plate, 3- main steel plates, 4- helper springs, 5-X types are to drawing steel plate longitudinal direction for 2-X types
Weld seam, 6- welding rectangular steel pipe longitudinal angle weld seams, 7- core concretes, 8- circular openings.
Specific embodiment
Referring to the drawings the present invention is described in detail：
As shown in Fig. 1～Fig. 6, to drawing steel plate type welding rectangular steel-tube concrete column, it includes welding square to a kind of built-in X-type
Shape steel pipe 1, X-type is to drawing steel plate 2 and core concrete 7；Pour in the space that welding rectangular steel pipe 1 and X-type are surrounded to drawing steel plate
Build core concrete 7.
Welding rectangular steel pipe 1 is the steel pipe that the cross section that four blocks of steel plates are welded is rectangle.
X-type to the cross section of drawing steel plate 2 to be welded by one piece of main steel plate 3 and two blocks of helper springs 4 for X-shaped steel construction structure
Part；The device includes that two pieces of X-types, to drawing steel plate 2, are highly the 1/4 of longitudinal measure rectangular steel-tube concrete column clear height, respectively
It is arranged at the two ends of pillar；The shear-carrying capacity at pillar two ends is strengthened, X-type makes welding to the circular opening for drawing steel plate to open up
Rectangular steel pipe is internally formed mutually stable drawknot effect, is conducive to improving the intensity of welding rectangular steel-tube concrete column and just
Degree, it is to avoid the generation in bean column node X-shaped crack, preferably realizes " strong column and weak beam, strong shear capacity and weak bending capacity, the weak component of strong node "
Design philosophy, it is ensured that the realization of aseismic fortification objects.
The X-type is located at the diagonal positions of welding rectangular steel pipe 1, and X-type to drawing steel plate by four welderings to drawing steel plate
Connect rectangular steel pipe longitudinal angle weld seam 6 to weld together with welding rectangular steel pipe 1, make welding rectangular steel pipe 1 form 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 two 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 two ends during axial compression
To angle welding, too early drum is bent 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；, to drawing the circular opening 8 opened up on steel plate 2, raising core is conducive to mix by X-type
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 can pass through the core in shearing circular opening 8 to drawing steel plate 2
Heart concrete welds the interface sliding of rectangular steel-tube concrete column to resist, and increased 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.
Welding rectangular steel pipe 1, X-type steel plate needed for drawing steel plate main steel plate 3 and X-type to drawing steel plate helper spring 4 can root in advance
Form in factory process according to the design size of welding rectangular steel-tube concrete column, 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 drawing steel plate helper spring 4 to weld together, X-type is formed to drawing steel plate 2.
Four blocks of steel plates of welding rectangular steel pipe 1 are welded to steel pipe by four welding rectangular steel pipe longitudinal angle weld seams 6 respectively
Four sides of the X-type at concrete column two ends to drawing steel plate 2, pours after core concrete 7 into welding rectangular steel pipe 1, forms built-in X
Type is to drawing steel plate type welding rectangular steel-tube concrete column；The X-type arranged in welding rectangular steel-tube concrete column two ends is 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, distributing for core concrete internal heat is accelerated, 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 effects such as core concrete bulging, crack and the temperature deformation that should produce.
Above-mentioned built-in X-type comprises the 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, the edge for processing longitudinally is uniformly provided with into 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 two ends, and along welding
The longitudinal direction of rectangular steel pipe 1 height is about in the range of 1/4 post clear height, finally, the steel plate needed for welding rectangular steel pipe 1 is welded to successively
Four sides of the X-shaped at welding rectangular steel pipe 1 two ends to drawing steel plate 2, forms built-in X-type 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, pour in steel plate type welding rectangular steel pipe core concrete 7 to drawing to built-in X-type, core concrete 7 forms interior after hardening
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.Clearly not each composition in the present embodiment
Part can use prior art to be realized.
Claims (7)
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 provided with the X-type together with its corner welding to drawing to drawing steel plate and concrete, the welding rectangular steel pipe diagonal positions
Steel plate, the X-type is respectively arranged at the two 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
Core concrete is poured in the space that steel pipe and X-type are surrounded to drawing steel plate.
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 described
Main steel plate and helper spring are the steel plate that longitudinal direction uniformly opens up circular opening.
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 the X
Type is to drawing steel plate for the steel structure member of cross section X-shaped, its size and welding rectangular steel-tube concrete column Diagonal Dimension phase
Matching.
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 the X
Steel plate of the type needed for drawing steel plate and welding rectangular steel pipe is prefabricated component, and according to the design chi of welding rectangular steel-tube concrete column
It is very little to carry out groove design in advance.
6. 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 the 1/4 of welding rectangular steel pipe clear height to the height for drawing steel plate.
7. 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 edge for processing longitudinally is uniformly provided with into the master of circular opening
Steel plate and helper spring are by X-type to drawing steel plate longitudinal seam to be welded into X-shaped to drawing 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 two 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 needed for welding rectangular steel pipe is welded to successively into welding rectangle steel
Four sides of the X-shaped at pipe two ends to drawing steel plate, forms built-in X-type 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 to drawing in steel plate type welding rectangular steel pipe to built-in X-type, after core concrete hardening built-in X is formed
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106639151A true CN106639151A (en) | 2017-05-10 |
| CN106639151B CN106639151B (en) | 2017-11-28 |
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| CN201611249027.XA Active 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU191866U1 (en) * | 2019-05-13 | 2019-08-26 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский государственный архитектурно-строительный университет" (КазГАСУ) | STEEL CONCRETE STAND |
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| JP2006233548A (en) * | 2005-02-24 | 2006-09-07 | Toda Constr Co Ltd | Precast concrete member |
| CN101581115A (en) * | 2009-06-08 | 2009-11-18 | 清华大学 | Mixed steel-concrete composite frame structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU191866U1 (en) * | 2019-05-13 | 2019-08-26 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский государственный архитектурно-строительный университет" (КазГАСУ) | STEEL CONCRETE STAND |
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