CN208518351U - The vertical attachment device of prefabrication steel concrete overlapped shear wall in-site installation - Google Patents
The vertical attachment device of prefabrication steel concrete overlapped shear wall in-site installation Download PDFInfo
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- CN208518351U CN208518351U CN201820928698.7U CN201820928698U CN208518351U CN 208518351 U CN208518351 U CN 208518351U CN 201820928698 U CN201820928698 U CN 201820928698U CN 208518351 U CN208518351 U CN 208518351U
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Abstract
The vertical attachment device of prefabrication steel concrete overlapped shear wall in-site installation, including the first connecting plate, the second connecting plate and telescopic adjustment formula hound；Steel concrete overlapped shear wall after the steel concrete compound tube connection in rectangular configuration of cross section by forming-type, ├ type, ┘ type, ┼ type or type shear-resisting wall；Neighbouring two layers of steel concrete overlapped shear wall is in connection, upper layer steel concrete compound tube is correspondingly placed on lower layer's steel concrete compound tube, telescopic adjustment formula hound is obliquely installed, the top and bottom of the telescopic adjustment formula hound floor panel hinge with upper layer steel concrete compound tube lateral surface and every floor respectively.The utility model makes the plasticity of overall steel concrete overlapped shear wall structure and toughness properties be greatly improved, substantially increase the non-deformability and compression strength of shear wall, vertical connection component used is wrapped in inside concrete, it is not only beautiful, and bonding strength is high, stability is strong, it is ensured that is not easy to misplace.
Description
Technical field
The utility model belongs to technical field of structural engineering, and in particular to a kind of prefabrication steel concrete overlapped shear wall scene
Vertical attachment device is installed.
Background technique
" assembled room " is the popular address of assembled-type house, its full name is prefabricated dwelling house, is with industrialized
Production method builds house, is completion that some or all of house component is prefabricated in the factory, then transports to construction site,
Component is assembled into the house built up by reliable connection type, is referred to as industrialization house or industrialization in American-European and Japan
House.The difference in " assembled room ", only part has carried out prefabricated, also to pour as traditional architecture to construction site,
It is not intended to " playing with building blocks " as in.Therefore house does not see difference from appearance after building up at all.
The component of assembled architecture can be equivalent to the product of standard in the production of factory's realization industrialization, component, and
The scene of transporting to can directly be installed, it may be said that and it is not only convenient, but also quick, the building field second tried to meet the deadline for the project more than strive point,
Especially unrivaled superiority；Component is standardized production in factory, mass ratio produce at the scene it is more guaranteed, more can be with
It is controlled effectively, the mechanization degree of the high standard of component reduces the outfit of Field Force, in recruitment cost and safety
Production aspect is helpful.
There are following technical problems in installation process at the scene for existing assembled architecture: 1, fire prevention, Corrosion Protection are poor,
The resistance performance of shear wall is poor after assembling；2, two layers neighbouring of steel concrete overlapped shear wall docking when work progress compared with
To be cumbersome, and connect component it is naked be exposed on the external, not only unsightly, but also structural strength is lower.
Utility model content
The utility model provides that a kind of fire prevention, Corrosion Protection is good, is convenient for solve shortcoming in the prior art
It constructs, can be cast in inside shear wall, the prefabrication steel concrete overlapped shear wall in-site installation that structural strength is high vertically connects dress
It sets.
In order to solve the above technical problems, the utility model adopts the following technical solution: prefabrication steel concrete overlapped shear wall
The vertical attachment device of in-site installation, including the first connecting plate, the second connecting plate and telescopic adjustment formula hound；
What steel concrete overlapped shear wall was formed after being connected by cross section steel concrete compound tube in rectangular configuration-type, ├ type, ┘
The shear-resisting wall of type, ┼ type or type；Steel concrete compound tube includes rectangular cylindrical structure steel plate made of bending, in rectangular configuration
Two long sides of steel concrete compound tube are respectively the medial surface and lateral surface of rectangular cylindrical structure steel plate, steel concrete group in rectangular configuration
Two short sides for closing pipe are respectively the left side and right side of rectangular cylindrical structure steel plate；
For neighbouring two layers of steel concrete overlapped shear wall in connection, upper layer steel concrete compound tube is correspondingly placed at lower layer's steel concrete group
Close pipe on, telescopic adjustment formula hound is obliquely installed, the top and bottom of telescopic adjustment formula hound respectively with upper layer steel concrete group
Close the floor panel hinge of pipe lateral surface and every floor, the rectangular cylindrical structure steel plate lower edge and lower layer's steel of upper layer steel concrete compound tube
The rectangular cylindrical structure steel plate upper end-face edge of concrete compound tube is docked and is welded at horizontal connection seam, and the first connecting plate and second connects
Fishplate bar is separately positioned at the horizontal connection seam and outside horizontal connection seam of inside, and the first connecting plate and the second connecting plate are in level
The top of connecting sewing passes through the upper self-locking screw of a row respectively and is fastenedly connected with upper layer rectangular cylindrical structure steel plate, the first connecting plate with
Second connecting plate self-locking screw and lower layer's rectangular cylindrical structure steel plate in the case where the lower section that horizontal connection is stitched passes through a row respectively fasten
Connection.
Further, the medial surface of rectangular cylindrical structure steel plate and lateral surface offer several rectangular array cloth respectively
The long hole set, the long hole of the medial surface of rectangular cylindrical structure steel plate and the long hole of lateral surface are inside and outside corresponding one by one, each long hole
Length direction is horizontally disposed, and the left end of long hole and right end are respectively arranged with the first arc groove and the second arc groove, the first arc
The diameter of slot is equal to the width of long hole left part, and the diameter of the second arc groove is equal to or more than the width of long hole right part, inside and outside
Tension rib is inserted in corresponding long hole, rectangular cylindrical structure steel plate is stretched out to two sides respectively in the inner end and outer end of tension rib,
The outer diameter of tension rib is less than or equal to the diameter of the first arc groove, and tension rib is initially inserted into two the second arc grooves, to drawknot
Muscle both ends apply the power towards the first arc groove, keep tension rib mobile and are fastened in two the first arc grooves.
Further, the external surrounding of rectangular cylindrical structure steel plate is provided with cross section steel mesh in rectangular configuration
Piece has gap between reinforced mesh and rectangular cylindrical structure steel plate, the medial surface and lateral surface of reinforced mesh are fixed respectively to be connected
It connects in the inner end and outer end of tension rib, the left side and right side of reinforced mesh pass through peg and rectangular cylindrical structure steel plate respectively
Left side be fixedly connected with right side, poured inside rectangular cylindrical structure steel plate by tension rib and rectangular cylindrical structure steel plate
The inner concrete being integrated is condensed, outer concrete is poured respectively in the external surrounding of rectangular cylindrical structure steel plate and coagulates reinforced mesh
Knot；Outer concrete, reinforced mesh form steel concrete compound tube by tension rib and rectangular cylindrical structure steel plate.
Further, rectangular cylindrical structure steel plate after ribbed steel or profiled sheet bending using being welded, with rib steel
Plate surface is suppressed with several ribs, rib cross section semicircular in shape, ellipse, triangle, trapezoidal；The cross of profiled sheet die mould
Section is triangular in shape, trapezoidal, arc, wave or fold-line-shaped.
Further, blocking concrete, blocking concrete are poured respectively in the outside of the first connecting plate and the second connecting plate
Outer surface be connected and flush with the surface of outer concrete.
By adopting the above technical scheme, the utility model has following technical effect that
By concrete in cast in situs rectangular cylindrical structure steel plate internal cavities, steel concrete overlapped shear wall knot is formd
Structure.Its inner concrete, outer concrete and rebar mesh sheet pass through tension rib, the steel plate with rib of vertical rear slotting anchor rib and inside
Group is integral, using the geometrical stability of inside and outside concrete effect of contraction enhancing steel plate wall, changes the unstability mould of the steel plate with rib
State avoids or delays the steel plate with rib that local buckling occurs, while overall structure utilizes prefabricated rectangle tubular structure steel plate pair
The effect of contraction of concrete is improved the intensity of concrete, and plasticity, toughness properties are greatly improved, compression strength and ductility
It greatly improves.This steel concrete overlapped shear wall fabricated construction ensure that giving full play to for all materials for wall performances.
The utility model becomes the working procedure of shear wall simply, and then improves construction speed, and steel concrete overlapping is cut
The lateral wall of power wall uses the steel plate with rib, and increasing steel and concrete contact area by tension rib enhances steel concrete overlapped shear wall
The surrounding outside of globality, rectangular cylindrical structure steel plate is provided with and the discontiguous steel mesh of rectangular cylindrical structure steel plate lateral wall
Piece, so that the combination of the concrete and rectangular cylindrical structure steel plate that wrap up on the outside of rectangular cylindrical structure steel plate is stronger, in turn
The resistance performance for improving steel concrete overlapped shear wall, due to being enclosed with concrete on the outside of steel concrete overlapped shear wall, so shear wall
It can be lost with fire retardant anticorrosion, durability gets a promotion.
Tension rib is inserted into the corresponding long hole in rectangular cylindrical structure steel plate inner side and outer side, and tension rib is first from greater than drawknot
It is penetrated in two the second arc grooves of muscle diameter, then is moved horizontally in two the first arc grooves and is fastened on the first arc groove
Interior, for this mounting means convenient for operation, connection is reliable.In addition, since the width of long hole is consistent from left to right or is gradually increased
And tension rib uses spiral, and clamping intensity and the reliability between tension rib and the first arc groove can be improved in this way,
Ensure that the distance between rectangular cylindrical structure steel plate inner side and outer side keeps stability.The company of rectangular cylindrical structure steel plate and peg
Mode is connect as welding.
The telescopic adjustment formula hound of the vertical attachment device of in-site installation plays the steel concrete compound tube on installation connection upper layer
When prevent strong wind from blowing the steel concrete compound tube on upper layer and influencing installation quality.Telescopic adjustment formula hound is torn open after being installed
It removes.
The inner end of self-locking screw is extend into rectangular cylindrical structure steel plate, and self-locking screw is poured into rectangular cylinder by inner concrete
In shape structural steel and iron, so that upper layer steel concrete compound tube and lower layer's steel concrete compound tube are fastenedly connected together.In the first connecting plate
Blocking concrete is poured with the outside of the second connecting plate, blocking concrete, which not only acts as, avoids the exposed inaesthetic work of self-locking screw
With, and there is fire prevention, etch-proof effect, it also further functions as the steel concrete compound tube on upper layer and the combination of the steel concrete of lower layer
The effect that pipe is connected as one.
In conclusion the utility model makes the plasticity of overall steel concrete overlapped shear wall structure and toughness properties be greatly improved,
The non-deformability and compression strength of shear wall are substantially increased, vertical connection component used is wrapped in inside concrete,
It is not only beautiful, and bonding strength is high, and stability is strong, it is ensured that is not easy to misplace.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the left side view of Fig. 1；
Fig. 3 is that rectangular cylindrical structure steel plate is disconnected using steel concrete combined shear wall level when ribbed steel in the utility model
Face schematic diagram；
Fig. 4 is that rectangular cylindrical structure steel plate is disconnected using steel concrete combined shear wall level when profiled sheet in the utility model
Face schematic diagram.
Specific embodiment
Embodiment one: as shown in Figure 1-Figure 3, the work prefabrication steel concrete overlapped shear wall in-site installation of the utility model is perpendicular
To attachment device, including the first connecting plate 8, the second connecting plate 9 and telescopic adjustment formula hound 10；
What steel concrete overlapped shear wall was formed after being connected by cross section steel concrete compound tube 11 in rectangular configuration-type, ├ type,
The shear-resisting wall of ┘ type, ┼ type or type；Steel concrete compound tube 11 includes rectangular cylindrical structure steel plate 1 made of bending, is in rectangle
Two long sides of the steel concrete compound tube 11 of structure are respectively the medial surface and lateral surface of rectangular cylindrical structure steel plate 1, are in rectangle knot
Two short sides of the steel concrete compound tube 11 of structure are respectively the left side and right side of rectangular cylindrical structure steel plate 1；
For neighbouring two layers of steel concrete overlapped shear wall in connection, upper layer steel concrete compound tube 11 is correspondingly placed at lower layer's steel concrete
On compound tube 11, telescopic adjustment formula hound 10 is obliquely installed, the top and bottom of telescopic adjustment formula hound 10 respectively with it is upper
The floor panel hinge of layer steel concrete compound tube 11 lateral surface and every floor, under the rectangular cylindrical structure steel plate 1 of upper layer steel concrete compound tube 11
End margin is docked with 1 upper end-face edge of rectangular cylindrical structure steel plate of lower layer steel concrete compound tube 11 and is welded at horizontal connection seam,
First connecting plate 8 and the second connecting plate 9 are separately positioned at the horizontal connection seam and outside horizontal connection seam of inside, the first connection
Plate 8 and the second connecting plate 9 pass through self-locking screw 12 and upper layer rectangular cylindrical structure on a row in the top that horizontal connection is stitched respectively
Steel plate 1 is fastenedly connected, the first connecting plate 8 and the second connecting plate 9 self-locking spiral shell in the case where the lower section that horizontal connection is stitched passes through a row respectively
Bolt 12 is fastenedly connected with lower layer rectangular cylindrical structure steel plate 1.
Further, the medial surface of rectangular cylindrical structure steel plate 1 and lateral surface offer several rectangular arrays respectively
The long hole 30 of arrangement, the long hole 30 of the medial surface of rectangular cylindrical structure steel plate 1 and the long hole 30 of lateral surface are inside and outside corresponding one by one, often
The length direction of a long hole 30 is horizontally disposed, and the left end of long hole 30 and right end are respectively arranged with the first arc groove 31 and the second arc
Shape slot 32, the diameter of the first arc groove 31 are equal to the width of 30 left part of long hole, and the diameter of the second arc groove 32 is equal to or more than
The width of 30 right part of long hole is inserted with tension rib 2, the inner end of tension rib 2 and outer end difference in inside and outside corresponding long hole 30
Rectangular cylindrical structure steel plate 1 is stretched out to two sides, the outer diameter of tension rib 2 is less than or equal to the diameter of the first arc groove 31, tension rib 2
It is initially inserted into two the second arc grooves 32, the power towards the first arc groove 31 is applied to 2 both ends of tension rib, moves tension rib 2
It moves and is fastened in two the first arc grooves 31.
The external surrounding of rectangular cylindrical structure steel plate 1 is provided with cross section reinforced mesh 3 in rectangular configuration, steel mesh
There is gap, the medial surface and lateral surface of reinforced mesh 3, which are respectively fixedly connected with, to be drawn between piece 3 and rectangular cylindrical structure steel plate 1
The inner end and outer end of muscle 2 are tied, the left side and right side of reinforced mesh 3 pass through peg 4 and rectangular cylindrical structure steel plate 1 respectively
Left side is fixedly connected with right side, has been poured inside rectangular cylindrical structure steel plate 1 by tension rib 2 and rectangular cylindrical structure steel plate
The inner concrete 5 that 1 condensation is integrated, pours outer concrete 6 for steel mesh in the external surrounding of rectangular cylindrical structure steel plate 1 respectively
Piece 3 condenses；Outer concrete 6, reinforced mesh 3 form steel concrete compound tube 11 by tension rib 2 and rectangular cylindrical structure steel plate 1.
For rectangular cylindrical structure steel plate 1 using being welded after ribbed steel bending, ribbed steel surface rolling has several
Rib 7, it is 7 cross section semicircular in shape of rib, ellipse, triangle, trapezoidal.
Blocking concrete, the outer surface of blocking concrete are poured respectively in the outside of the first connecting plate 8 and the second connecting plate 9
It is connected and flushes with the surface of outer concrete 6.
By concrete in 1 internal cavities of cast in situs rectangular cylindrical structure steel plate, steel concrete overlapped shear wall knot is formd
Structure.Its inner concrete 5, outer concrete 6 and reinforced mesh 3 pass through tension rib 2, the band rib 7 of vertical rear slotting anchor rib and inside
Steel plate group it is integral, using inside and outside concrete effect of contraction enhancing steel plate wall geometrical stability, change the steel plate with rib 7
Instability modes avoid or delay the steel plate with rib 7 that local buckling occurs, while overall structure utilizes prefabricated rectangle tubular structure
Steel plate 1 is improved the intensity of concrete the effect of contraction of concrete, and plasticity, toughness properties are greatly improved, compression strength
It is also greatly improved with ductility.This steel concrete overlapped shear wall fabricated construction ensure that the abundant hair of all materials for wall performances
It waves.
The utility model becomes the working procedure of shear wall simply, and then improves construction speed, and steel concrete overlapping is cut
The lateral wall of power wall uses the steel plate with rib 7, and increasing steel and concrete contact area by tension rib 2 enhances steel concrete overlapped shear wall
Globality, be provided with and the discontiguous steel of 1 lateral wall of rectangular cylindrical structure steel plate on the outside of the surrounding of rectangular cylindrical structure steel plate 1
Muscle mesh sheet 3, so that the combination of the concrete and rectangular cylindrical structure steel plate 1 that wrap up on the outside of rectangular cylindrical structure steel plate 1 is more firm
Gu and then improve steel concrete overlapped shear wall resistance performance, due to being enclosed with concrete on the outside of steel concrete overlapped shear wall, so
Shear wall can be lost with fire retardant anticorrosion, and durability gets a promotion.
Tension rib 2 is inserted into the corresponding long hole 30 in 1 inner side and outer side of rectangular cylindrical structure steel plate, and tension rib 2 is first from big
It is penetrated in two the second arc grooves 32 of 2 diameter of tension rib, then is moved horizontally in two the first arc grooves 31 and is fastened on
In first arc groove 31, for this mounting means convenient for operation, connection is reliable.In addition, since the width of long hole 30 is equal from left to right
It is consistent or be gradually increased and tension rib 2 is using spiral, it is can be improved between tension rib 2 and the first arc groove 31 in this way
It is clamped intensity and reliability, it is ensured that the distance between 1 inner side and outer side of rectangular cylindrical structure steel plate keeps stability.Rectangular drum like
The connection type of structural steel and iron 1 and peg 4 is welding.
The telescopic adjustment formula hound 10 of the vertical attachment device of in-site installation plays the steel concrete combination on installation connection upper layer
Prevent strong wind from blowing the steel concrete compound tube 11 on upper layer and influencing installation quality when pipe 11.By telescopic adjustment formula diagonal brace after being installed
Bar 10 is removed.
The inner end of self-locking screw 12 is extend into rectangular cylindrical structure steel plate 1, and self-locking screw 12 is poured by inner concrete 5
In rectangular cylindrical structure steel plate 1, so that upper layer steel concrete compound tube 11 and lower layer's steel concrete compound tube 11 are fastenedly connected together.?
The outside of first connecting plate 8 and the second connecting plate 9 pours blocking concrete, and blocking concrete, which not only acts as, avoids self-locking screw 12
Exposed inaesthetic effect, and there is fire prevention, etch-proof effect, it also further functions as the steel concrete compound tube 11 on upper layer
The effect being connected as one with the steel concrete compound tube 11 of lower layer.
Embodiment two: as shown in figure 4, the difference of the embodiment and embodiment one is, rectangular cylindrical structure steel plate 1 is used
It after profiled sheet bending and is welded, the cross section of profiled sheet is triangular in shape, trapezoidal, arc, wave or fold-line-shaped.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (5)
1. the vertical attachment device of prefabrication steel concrete overlapped shear wall in-site installation, it is characterised in that: including the first connecting plate,
Two connecting plates and telescopic adjustment formula hound；
What steel concrete overlapped shear wall was formed after being connected by cross section steel concrete compound tube in rectangular configuration-type, ├ type, ┘ type, ┼
The shear-resisting wall of type or type；Steel concrete compound tube includes rectangular cylindrical structure steel plate made of bending, steel concrete in rectangular configuration
Two long sides of compound tube are respectively the medial surface and lateral surface of rectangular cylindrical structure steel plate, steel concrete compound tube in rectangular configuration
Two short sides be respectively rectangular cylindrical structure steel plate left side and right side；
For neighbouring two layers of steel concrete overlapped shear wall in connection, upper layer steel concrete compound tube is correspondingly placed at lower layer's steel concrete compound tube
On, telescopic adjustment formula hound is obliquely installed, the top and bottom of telescopic adjustment formula hound respectively with upper layer steel concrete compound tube
The floor panel hinge of lateral surface and every floor, the rectangular cylindrical structure steel plate lower edge and lower layer's steel concrete group of upper layer steel concrete compound tube
It closes the rectangular cylindrical structure steel plate upper end-face edge docking of pipe and is welded at horizontal connection seam, the first connecting plate and the second connecting plate
It is separately positioned at the horizontal connection seam and outside horizontal connection seam of inside, the first connecting plate and the second connecting plate are in horizontal connection
The top of seam passes through the upper self-locking screw of a row respectively and is fastenedly connected with upper layer rectangular cylindrical structure steel plate, the first connecting plate and second
Connecting plate self-locking screw in the case where the lower section that horizontal connection is stitched passes through a row respectively is fastenedly connected with lower layer rectangular cylindrical structure steel plate.
2. the vertical attachment device of prefabrication steel concrete overlapped shear wall in-site installation according to claim 1, feature exist
In: the medial surface and lateral surface of rectangular cylindrical structure steel plate offer the long hole of several rectangular arrays arrangement, rectangle respectively
The long hole of the medial surface of tubular structure steel plate and the long hole of lateral surface are inside and outside corresponding one by one, and the length direction of each long hole is horizontal
Setting, the left end of long hole and right end are respectively arranged with the first arc groove and the second arc groove, and the diameter of the first arc groove is equal to length
The width of hole left part, the diameter of the second arc groove are equal to or more than the width of long hole right part, in inside and outside corresponding long hole
It is inserted with tension rib, rectangular cylindrical structure steel plate is stretched out to two sides respectively in the inner end and outer end of tension rib, and the outer diameter of tension rib is small
In or equal to the first arc groove diameter, tension rib is initially inserted into two the second arc grooves, applies direction to tension rib both ends
The power of first arc groove keeps tension rib mobile and is fastened in two the first arc grooves.
3. the vertical attachment device of prefabrication steel concrete overlapped shear wall in-site installation according to claim 2, feature exist
In: the external surrounding of rectangular cylindrical structure steel plate is provided with cross section reinforced mesh in rectangular configuration, reinforced mesh and square
There is gap, the medial surface and lateral surface of reinforced mesh are respectively fixedly connected in the inner end of tension rib between shape tubular structure steel plate
And outer end, the left side and right side of reinforced mesh pass through the left side and right side of peg Yu rectangular cylindrical structure steel plate respectively
Be fixedly connected, poured inside rectangular cylindrical structure steel plate by tension rib and rectangular cylindrical structure steel plate condensation be integrated in mix
Solidifying soil, pours outer concrete in the external surrounding of rectangular cylindrical structure steel plate respectively and condenses reinforced mesh；Outer concrete, reinforcing bar
Mesh sheet forms steel concrete compound tube by tension rib and rectangular cylindrical structure steel plate.
4. the vertical attachment device of prefabrication steel concrete overlapped shear wall in-site installation according to claim 1, feature exist
It is welded after: rectangular cylindrical structure steel plate is using ribbed steel or profiled sheet bending, if ribbed steel surface rolling has
Dry rib, it is rib cross section semicircular in shape, ellipse, triangle, trapezoidal；The cross section of profiled sheet die mould is triangular in shape,
Trapezoidal, arc, wave or fold-line-shaped.
5. the vertical attachment device of prefabrication steel concrete overlapped shear wall in-site installation according to claim 2, feature exist
In: blocking concrete is poured respectively in the outside of the first connecting plate and the second connecting plate, and the outer surface of blocking concrete is mixed with outer
It coagulates the surface linking of soil and flushes.
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| CN201820928698.7U CN208518351U (en) | 2018-06-15 | 2018-06-15 | The vertical attachment device of prefabrication steel concrete overlapped shear wall in-site installation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110016969A (en) * | 2019-05-06 | 2019-07-16 | 河南绿建建筑科技有限公司 | Steel concrete compound tube upper and lower level rapid abutting joint and temporary fastening device |
| CN110424632A (en) * | 2019-08-13 | 2019-11-08 | 北京矿冶科技集团有限公司 | Prefabricated foamed aluminum-core concrete-filled circular steel tube column and its assembling structure |
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2018
- 2018-06-15 CN CN201820928698.7U patent/CN208518351U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016969A (en) * | 2019-05-06 | 2019-07-16 | 河南绿建建筑科技有限公司 | Steel concrete compound tube upper and lower level rapid abutting joint and temporary fastening device |
| CN110016969B (en) * | 2019-05-06 | 2024-09-27 | 河南绿建建筑科技有限公司 | Quick butt joint and temporary fixing device for upper and lower layers of steel concrete combined pipe |
| CN110424632A (en) * | 2019-08-13 | 2019-11-08 | 北京矿冶科技集团有限公司 | Prefabricated foamed aluminum-core concrete-filled circular steel tube column and its assembling structure |
| CN110424632B (en) * | 2019-08-13 | 2024-04-09 | 北京矿冶科技集团有限公司 | Prefabricated foam aluminum core round steel pipe concrete column of assembled and assembly structure thereof |
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