CN106703196B - Interior ring type steel tube regeneration monolith assembling structure - Google Patents
Interior ring type steel tube regeneration monolith assembling structure Download PDFInfo
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- CN106703196B CN106703196B CN201611217364.0A CN201611217364A CN106703196B CN 106703196 B CN106703196 B CN 106703196B CN 201611217364 A CN201611217364 A CN 201611217364A CN 106703196 B CN106703196 B CN 106703196B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- Electromagnetism (AREA)
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Abstract
The invention discloses a kind of interior ring type steel tube regeneration monolith assembling structure, including main steel pipe, enforced loop plane and at least a girder steel, filled with regeneration block and normal concrete in main steel pipe, enforced loop plane is fixedly arranged in main steel pipe, the junction of enforced loop plane and main steel pipe forms connecting node region, connecting node region is provided with node area steel pipe, node area steel pipe connects setting with main steel pipe, the wall thickness of node area steel pipe is more than the wall thickness of the main steel pipe, an at least girder steel is connected to the periphery of main steel pipe and stretched out along the periphery of main steel pipe, the junction of at least a girder steel and the main steel pipe is located in connecting node region.Interior ring type steel tube regeneration monolith assembling structure provided in an embodiment of the present invention can not only ensure the structural strength of the interior ring type steel tube regeneration monolith assembling structure; it can also realize that waste and old concrete recycles in a manner of regenerating block, and reach environmental protection, save the effect of the energy.
Description
Technical field
The present invention relates to the technical field of structural engineering in civil engineering, and in particular to a kind of interior ring type steel tube regeneration block
Concrete assembling structure.
Background technology
As the implementation of continuous propulsion and the urban renewal plan of China's Urbanization Construction process, existent building are a large amount of
Remove, so as to produce substantial amounts of concrete solid waste, the most of unprocessed directly quilt of these concrete solid waste
Countryside is transported to stack or fill.
Using aforesaid way, on the one hand, these concrete solid waste can take substantial amounts of industrial land, while also can
Cause pollution of environment, water quality and soil etc..
On the other hand, China's building trade is quickly grown, and concrete is huge as main construction material consumption, and mixes
Solidifying native aggregate needs to take stone, the naughty river sand that digs to obtain by cutting into a mountain.The consumption of substantial amounts of aggregate inevitably causes
Environmental disruption and resource consumption, and the cement required for concrete is made, substantial amounts of dusty gas can be discharged in process of production
And dust, it will also result in environmental pollution.
Therefore, building structure construction simplicity and energy-conserving and environment-protective how are realized, and realize the sharp again of concrete solid waste
With being that building trade realizes sustainable development urgent problem to be solved.
The content of the invention
Present invention solves the technical problem that it is to provide a kind of interior ring type steel tube regeneration monolith assembling structure, Neng Goushi
The recycling of existing concrete solid waste simultaneously causes the construction of building structure more easy and energy-conserving and environment-protective.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of interior ring type steel tube regeneration monolith assembling structure is provided, including：
Main steel pipe, the main steel pipe are interior filled with regeneration block and normal concrete；
Enforced loop plane, the enforced loop plane is in the main steel pipe, the connection of the enforced loop plane and the main steel pipe
Place forms connecting node region, and the connecting node region is provided with node area steel pipe, node area steel pipe and the main steel
Pipe connection is set, and the wall thickness of node area steel pipe is more than the wall thickness of the main steel pipe；And
An at least girder steel, an at least girder steel are connected to the periphery of the main steel pipe, and along the main steel pipe
Periphery stretches out, and the junction of at least a girder steel and the main steel pipe is located in the connecting node region.
As an embodiment, extended height of the node area steel pipe in connecting node region one end is first
Threshold value, node area steel pipe are Second Threshold in the extended height of the connecting node region other end；
Wherein, the value of the first threshold is using the half not less than the first diameter as foundation described second
Threshold value is using the half not less than first diameter as foundation；
Wherein, the external diameter of described first a diameter of main steel pipe.
As an embodiment, the external diameter of the steel pipe situation equal with the external diameter of the main steel pipe in the node area
Under, big more than the 2mm of wall thickness of main steel pipe described in the wall ratio of node area steel pipe.
As an embodiment, the confinement coefficient of node area steel pipe is 1.0~2.0；
When the main steel pipe and the node region are located at important stress area, the main steel pipe is in node area steel
The confinement coefficient in the region beyond pipe is 0.5~1.5；
When the main steel pipe and the node region are located at important stress area, the main steel pipe is in node area steel
The confinement coefficient in the region beyond pipe is 0.8~1.5.
Specifically, in such scheme, the connecting node region is located at the interior ring type steel tube regeneration monolith
The important stress area of assembling structure, and the confinement coefficient of node area steel pipe is 1.0~2.0；When the main steel pipe and
When the connecting node region is located at important stress area, the confinement coefficient of the main steel pipe can be 0.8~1.5；As the master
When steel pipe and the connecting node region are located at insignificant stress area, the confinement coefficient of the main steel pipe can be 0.5~1.5.
As an embodiment, the enforced loop plane includes spaced first ring flat-plate and the second ring flat-plate, and described
One ring flat-plate and the second ring flat-plate are in the main steel pipe, interval region, Yi Jisuo between first ring flat-plate and the second ring flat-plate
It is the connecting node region to state the first ring flat-plate and the second ring flat-plate and the region of the main fastener for connection.
As the width of the first ring flat-plate and the second ring flat-plate described in an embodiment no more than the external diameter of the main steel pipe
1/3rd.
As an embodiment, an at least girder steel includes web and is connected to the wing plate at the web both ends,
The both ends of two wing plates correspond to first ring flat-plate and the second ring flat-plate and set respectively, the interior ring type steel tube regeneration block coagulation
Native assembling structure also includes an at least cantilever beam section, and an at least cantilever beam section includes cantilever web and is connected to described
The cantilever wing plate at cantilever web both ends, the side of the cantilever web are connected with the periphery of the main steel pipe, the web connection
In the opposite side of the cantilever web, two wing plates are connected to the two cantilever wing plates.
As an embodiment, the thickness of first ring flat-plate and the second ring flat-plate is not less than the thickness of the wing plate.
Wherein, the cantilever web is connected to the periphery of main steel pipe, the cantilever wing plate by the welding manner of angle welding
It is connected to by full penetration groove weld in the outside wall surface of the main steel pipe.
Preferably, the web is connected by high-strength bolt and doubly-linked fishplate bar with the cantilever web.
Preferably, two wing plates are respectively etc. fierce is connected on the two cantilever wing plates.
Preferably, the girder steel along the longitudinal direction on shape of cross section be I-shaped.
As an embodiment, the angle between the horizontal line of the enforced loop plane and the main steel pipe is not less than 5 °.
Preferably, the main steel pipe, the enforced loop plane and an at least girder steel use Q345B steel.
Further, the main steel pipe is round steel pipe, and the girder steel is four, is respectively relative to the enforced loop plane
Center is set in quadrangle, and the angle between adjacent two girder steels is 90 °.
As an embodiment, some steam vents are offered on the enforced loop plane, and the diameter of the steam vent is not
Less than 50mm.
As an embodiment, the regeneration block is filled in the main steel duct, the normal concrete filling
Gap location between the regeneration block and the main steel pipe.
As an embodiment, the regeneration block is old buildings, old structures, old road, old bridge
Beam or old dykes and dams remove the waste and old concrete after all or part of reinforcing bar.
Wherein, the regeneration block is old buildings, old structures, old road, old bridge or old dykes and dams
Waste and old concrete after dismounting after all or part of reinforcing bar of removal of gained.
As an embodiment, the regeneration block is to the mass substitution for the whole concrete filled in the main steel pipe
Rate is 20%~35%.
Preferably, the mass substitution rate of whole concrete of the regeneration block to being filled in the main steel pipe is 30%.
As an embodiment, the shape of cross section of the main steel pipe is any one in circular or polygon.
That is, the shape of cross section of described main steel pipe can be circle, square, rectangle, pentagon, hexagon or octagon
Deng.
Further, the outer shroud of the enforced loop plane is shaped as matching with the cross section of the main steel pipe circle, just
Square, rectangle, pentagon, hexagon or octagon etc..
Compared with prior art, the present invention uses having the beneficial effect that for technical scheme：
(1) it is easy for construction and be advantageous to save space.Ring type steel tube regeneration monolith assembling knot in the present invention
Structure uses fabricated construction, by the way that enforced loop plane is arranged on into main steel duct, so as to save space, nor affects on
The exterior decorative effect of building structure；In addition, being connected to main outer wall of steel pipe face using girder steel, convenient and quick construction, can realize
The process of assembled in situ girder steel, casting concrete, speed of application is fast, power transmission is clear and definite and construction quality is controllable.
(2) requirement of the bearing capacity and anti-earthquake ductility of structure can be met.The present invention is using thickening connecting node region steel pipe
The mode of wall thickness, the intensity and ductility in connecting node region are improved, realize the detailing requiments of " strong node ", be advantageous to improve this interior
The anti-seismic performance of ring type steel tube regeneration monolith assembling structure and the structural strength of entirety.
(3) economize on resources.It is of the invention to use filling regeneration block and normal concrete in main steel pipe, so as to give up
Old concrete is recycled in the form of regenerating block, is saved greatly resource, reduces and the waste and old concrete is discarded
Landfill, avoid causing the pollution of environment, water quality and soil.
Sum it up, the interior ring type steel tube regeneration monolith assembling structure of the present invention can not only ensure steel tube concrete
Structural strength and the anti-seismic performance requirement of native assembling structure, and it is construction is simple, quick and easy for installation, while can also save money
Source.
Brief description of the drawings
Fig. 1 is the structural representation of interior ring type steel tube regeneration monolith assembling structure provided in an embodiment of the present invention.
Fig. 2 is interior ring type steel tube regeneration monolith assembling structure (omitting main steel pipe) provided in an embodiment of the present invention
Structural representation.
Fig. 3 is the decomposing schematic representation of interior ring type steel tube regeneration monolith assembling structure provided in an embodiment of the present invention.
Fig. 4 is Fig. 1 internal cross section figure.
Fig. 5 is enforced loop plane provided in an embodiment of the present invention and main steel pipe (being not filled by regenerating block and normal concrete)
Angle schematic diagram between horizontal line.
Fig. 6 is Fig. 1 top view.
Embodiment
In the present invention, term " on ", " under ", "left", "right", "front", "rear", " top ", " bottom ", " interior ", " outer ",
" in ", " vertical ", " level ", " transverse direction ", the orientation of the instruction such as " longitudinal direction " or position relationship be based on orientation shown in the drawings or
Position relationship.These terms are not intended to limit indicated dress primarily to preferably the description present invention and embodiment
Put, element or part there must be particular orientation, or be constructed and operated with particular orientation.
Also, above-mentioned part term is in addition to it can be used to indicate that orientation or position relationship, it is also possible to for representing it
His implication, such as term " on " also be likely used for representing certain relations of dependence or annexation in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being provided with ", " connection ", " connected " should be interpreted broadly.It is for example, it may be solid
Fixed connection, is detachably connected, or monolithic construction；Can mechanically connect, or electrical connection；Can be joined directly together, either
It is indirectly connected by intermediary, or is connection internal between two devices, element or parts.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In addition, term " first ", " second " etc. are mainly used for distinguishing different devices, element or part (specifically
Species and construction may it is identical may also be different), be not intended to show or imply signified showing device, element or part
Relative importance and quantity.Unless otherwise indicated, the implication of " multiple " is two or more.
Technical scheme is further described below in conjunction with embodiment and accompanying drawing.
Also referring to Fig. 1 to Fig. 4, for interior ring type steel tube regeneration monolith assembling knot provided in an embodiment of the present invention
The structural representation of structure.The interior ring type steel tube regeneration monolith assembling structure includes main steel pipe 10, enforced loop plane 20 and extremely
A few girder steel 30, the main steel pipe 10 are interior filled with regeneration block 11 and normal concrete 12.The enforced loop plane 20 is located at main steel
In pipe 10, the junction of the enforced loop plane 20 and main steel pipe 10 forms connecting node region 21, and the connecting node region 21 is provided with
Node area steel pipe 22, the node area steel pipe 22 connect setting with the main steel pipe 10, and the wall thickness of the node area steel pipe 22 is more than the master
The wall thickness of steel pipe 10.An at least girder steel 30 is connected to the periphery of main steel pipe 10, and along the periphery of the main steel pipe 10 to extension
Stretch.The junction of at least a girder steel 30 and main steel pipe 10 is located in the connecting node region 21.
Using above-mentioned design, by filling regeneration block 11 and normal concrete 12 in main steel pipe 10, so as to incite somebody to action
Waste and old concrete is recycled in the form of regenerating block 11, has saved resource；Meanwhile by thickening connecting node region steel
The mode of thickness of pipe wall, the intensity and ductility in connecting node region 21 are improved, is advantageous to improve interior ring type steel tube regeneration block coagulation
The anti-seismic performance of native assembling structure.
In the present embodiment, the main steel pipe 10 selects Q345B steel, and it has good combination property, low temperature performance well, cold punching
Press performance, the advantages of welding performance and machinability are good.The main steel pipe 10 can be thin-wall steel tube, i.e. in equivalent diameter and length
Under degree, the wall thickness of the main steel pipe 10 is small compared to the wall thickness of in general steel pipe.Preferably, the external diameter of the main steel pipe 10 is not generally small
In 600mm, to ensure its structural strength and follow-up pouring quality.
Further, any one in circular or polygon can be selected in the shape of cross section of the main steel pipe 10, and this is more
Side shape can be：For example, square, rectangle, pentagon, hexagon or octagon etc..The present embodiment is preferably with circle, i.e. should
Main steel pipe 10 is steel cylindrical tube.
In the present embodiment, in the main steel pipe 10 the regeneration block 11 of filling be old buildings, it is old structures, old
Road, old bridge or old dykes and dams remove the waste and old concrete after all or part of reinforcing bar of removal of gained.That is, the regeneration
Block 11 is that the concrete that old buildings, old structures, old road, old bridge or old dykes and dams are removed to gained is gone
Except the core after protective layer, vertical muscle, stirrup.For example, the regeneration block 11 selected in this implementation selects old buildings
Remove the waste and old concrete after all or part of reinforcing bar.Certainly, in other embodiments, the regeneration block 11 also can be selected old
There are structures, old bridge or old road to remove the waste and old concrete got rid of after reinforcing bar.
Compared with steel tube regeneration aggregate concrete component, using the design of the filling regeneration block 11 in main steel pipe 11, energy
Enough discarded components (i.e. above-mentioned old buildings, old structures, old road, old bridge or old dykes and dams) of saving are being gone
Remove a large amount of energy consumed during also needing to after the waste and old concrete of protective layer, vertical muscle etc. to be crushed, sieve, purify etc.
Source, while can also save configuration and obtain a large amount of water, cement and the energy of regenerated aggregate concrete consuming.
Further, in order to ensure the interior ring type steel tube regeneration monolith assembling structure structural strength and pour
Quality, filling proportion of the regeneration block 11 in the main steel pipe 10 are less than the normal concrete 12 filling out in the main steel pipe 10
Fill ratio.Specifically, the regeneration block 11 to the mass substitution rates of whole concrete of filling in the main steel pipe 10 for 20%~
35%, i.e. when the filling regeneration block 11 in the main steel pipe 10 and normal concrete 12, it is mixed that the regeneration block 11 accounts for the whole
Coagulate the 20%~35% of native gross mass.Preferably, matter of the regeneration block 11 to whole concrete of filling in the main steel pipe 10
It is 20%, 25%, 30% or 35% etc. to measure substitution rate, to ensure the pouring quality of the regeneration block 11, and is realized to waste and old
While concrete is recycled in the form of regenerating block 11, interior ring type steel tube regeneration monolith dress also disclosure satisfy that
The Structural strength calls of distribution structure.
Using regeneration block 11 and normal concrete 12 is filled simultaneously in the main steel pipe 10, to realize to waste and old concrete
Recycled, be saved greatly resource, reduce the discarded landfill to waste and old concrete, so reduce to environment, water quality and
The pollution of soil etc..
Further, the regeneration block 11 is filled in the main steel pipe 10, and the regeneration block 11 and the main steel pipe 10
Inwall between there is gap, the normal concrete 12 is filled in the gap location between the regeneration block 11 and main steel pipe 10, together
When, the normal concrete 12 should be also filled in the gap between each regeneration block 11, so that regeneration block 11 mixes with common
Solidifying soil 12 can form entirety, and then form regeneration monolith, so as to meet interior ring type steel tube regeneration monolith dress
The intensity requirement of distribution structure.Specifically, in filling, the first fill part normal concrete 12 in main steel pipe 10, then will regeneration
Block 11 replaces with normal concrete 12 to be inserted in main steel pipe 10, while using stirring tool to the normal concrete 12 and regeneration
Block 11 is stirred, until filling up the main steel pipe 10.
Further, the strength grade of the regeneration block 11 can be C30, and the strength grade of the normal concrete 12 is C40.
In the present embodiment, because the wall thickness of the node area steel pipe 22 is more than the wall thickness of the main steel pipe 10, therefore, formed
During the node area steel pipe 22, then it can be distinguished by first providing wall thickness larger steel pipe at the both ends of the larger steel pipe of the wall thickness
Connect the less steel pipe of wall thickness, the larger steel tube place of the wall thickness position i.e. form the node area steel pipe 22.
Further, the wall thickness of the node area steel pipe 22 is more than the wall thickness of the main steel pipe 10, so that the connecting node
Region 21 disclosure satisfy that stress intensity requirement as main forced position.Preferably, the node area steel pipe 22 external diameter with
In the case that the external diameter of the main steel pipe 10 is equal, big more than the 2mm of wall thickness of the wall ratio of the node area steel pipe 22 main steel pipe 10.
For example, when the external diameter of the main steel pipe 10 and the external diameter of the node area steel pipe 22 are 800mm, the wall thickness of the node area steel pipe 22
16mm is may be selected to be, the wall thickness of the main steel pipe 10 may be selected to be 10mm, 12mm, 13mm or 14mm etc..
Further, extended height of the node area steel pipe 22 on the main steel pipe 10 exists more than the connecting node region 21
Extended height on the main steel pipe 10.That is, the node area steel pipe 22 can upwardly or downwardly prolong along the connecting node region 21
Stretch.Specifically, extended height of the node area steel pipe 22 in the one end of connecting node region 21 is first threshold, the node area steel
Pipe 22 is Second Threshold in the extended height of the other end of connecting node region 21.As shown by the arrows in Figure 4, the connecting node area
The one end of domain 21 is vertically upward one end, and the other end in the connecting node region 21 is one vertically downwards
End.The value of the first threshold be using the half not less than the first diameter as foundation, the value of the Second Threshold be with
Not less than first diameter half for foundation, and the external diameter of first a diameter of main steel pipe 10.That is, the node area
Steel pipe 22 can upwardly extend the half of the external diameter of the main steel pipe 10 along the connecting node region 21, and the node area steel pipe 22 can
The half of the external diameter of the main steel pipe 10 is extended downwardly along the connecting node region 21.It is for example, a diameter of when the main steel pipe 10
During 800mm, i.e. first a diameter of 800mm, now, the node area steel pipe 22 can prolong upwards along the connecting node region 21
400mm is stretched, the node area steel pipe 22 can extend downwardly 400mm along the connecting node region 21.It is understood that at other
In embodiment, the value of first diameter can be selected according to the situation of practice of construction, and the node area steel pipe 22 is in the connection
What node region 21 upwardly or downwardly extended depends highly on the value of first diameter.
Further, the connecting node region 21 is as the important of the interior ring type steel tube regeneration monolith assembling structure
Stress area, the confinement coefficient (that is, constraint transformation) of the node area steel pipe 22 is 1.0~2.0.The value of confinement coefficient can
To reflect that the compound action of the internal regeneration block 11 of node region steel pipe 22 and its and normal concrete 12 is horizontal.Should for example, working as
When the confinement coefficient of node area steel pipe 22 selects 2.0, confinement coefficient is maximum, and in loading process, node area steel pipe 22 is in it
The regeneration block 11 and normal concrete 12 of portion's filling provide larger effect of contraction, now, the interior ring type steel tube regeneration block
The bulk strength and ductility of concrete assembling structure are relatively strong；Conversely, when the confinement coefficient of the node area steel pipe 22 selects 1.0
When, confinement coefficient is minimum, in loading process, regeneration block 11 and normal concrete that node area steel pipe 22 is filled to its inside
12 effect of contraction is smaller, and now, the bulk strength and ductility of the interior ring type steel tube regeneration monolith assembling structure are relative
It is weaker.Therefore, using the confinement coefficient, it can reflect that the compound action between steel pipe and concrete is horizontal exactly.
Similarly, when the main steel pipe 10 and the connecting node region 21 are located at the important stress area of whole building structural system
When, the confinement coefficient of the main steel pipe 10 is 0.8~1.5；When the main steel pipe 10 and connecting node region 21 are located at whole building knot
During the insignificant stress area of structure system, the confinement coefficient of the main steel pipe 10 is 0.5~1.5.That is, when the main steel pipe 10 and the company
When connecing node region 21 and being located at the important stress area of whole building structural system, it is in confinement coefficient maximum to being filled in it
Regeneration block 11 and normal concrete 12 effect of contraction it is maximum, in confinement coefficient minimum to the regeneration block of filling in it
11 and normal concrete 12 effect of contraction it is minimum.Therefore, when the main steel pipe 10 and connecting node region 21 are located at whole building
During the important stress area of structural system, the confinement coefficient of the main steel pipe 10 is preferably 0.9~1.3.When the main steel pipe 10 and
When the connecting node region 21 is located at the insignificant stress area of whole building structural system, the confinement coefficient of the main steel pipe 10 can
Preferably 0.6~1.3.
In the present embodiment, the enforced loop plane 20 is preferably with the steel with the main phase same material of steel pipe 10, i.e. the reinforcement
Ring flat-plate 20 is made from Q345B steel.The enforced loop plane 20 can be welded in the main steel pipe by way of full penetration groove weld
On 10 internal face, to ensure the being completely embedded property between the enforced loop plane 20 and the main steel pipe 10.Preferably, the enforced loop plane
20 outer shroud shape can be adapted with the main steel pipe 10, in order to be arranged in the main steel pipe 10.For example, when the main steel pipe 10 is
During pipe, the outer shroud of the enforced loop plane 20 is shaped as circle.And when the main steel pipe 10 is square, rectangle, hexagon or eight
During the polygonal shapes such as side shape, square that the outer shroud of the enforced loop plane 20 is shaped as matching with the shape of the main steel pipe 10,
Rectangle, hexagon or octagon etc..It is understood that the inner ring shape of the enforced loop plane 20 can also be circular, square
Shape, rectangle, pentagon, hexagon or octagon etc..
Further, the enforced loop plane 20 includes the spaced ring flat-plate 24 of first ring flat-plate 23 and second, first ring flat-plate
23 and second ring flat-plate 24 be enclosed ring.Specifically, the region between the ring flat-plate 24 of the first ring flat-plate 23 and second and this
One ring flat-plate 23 is respectively formed the connecting node region 21 with the second ring flat-plate 24 with the region that the internal face of main steel pipe 10 is connected.It is preferred that
Ground, the spacing between the ring flat-plate 24 of the first ring flat-plate 23 and second is using the height of at least one girder steel 30 as foundation.
Further, the width of the ring flat-plate 24 of the first ring flat-plate 23 and second no more than the main steel pipe 10 external diameter three/
One, it is ensured that the bearing capacity of the ring flat-plate 24 of the first ring flat-plate 23 and second meets the requirements.For example, when the external diameter of the main steel pipe 10 is selected
During 1200mm, the width of the ring flat-plate 24 of the first ring flat-plate 23 and second should be not more than 400mm.
Preferably, the annular diameters of the ring flat-plate 24 of the first ring flat-plate 23 and second are not less than 200mm, to ensure the regeneration block
11 smooth dispensing, prevent from causing regeneration block 11 not launch because the internal diameter of the first ring flat-plate 23 and the second ring flat-plate 24 is too small
Enter in main steel pipe 10, it is ensured that the pouring quality of regeneration block 11 and normal concrete 12.
Further, in order to ensure in casting concrete, the air in main steel pipe 10 can be discharged smoothly, the reinforcing ring
Several steam vents 25 are offered on plate 20, is somebody's turn to do and the diameter of steam vent 25 is not less than 50mm, i.e. first ring flat-plate 23 and second
Steam vent 25 is offered on ring flat-plate 24, so that it is guaranteed that the smooth discharge of the air in main steel pipe 10, and then ensure concrete
Pouring quality.
Also referring to Fig. 1, Fig. 2 and Fig. 5, in the present embodiment, the horizontal line of the enforced loop plane 20 and main steel pipe 10 it
Between angle be not less than 5 ° (as shown in Figure 5), i.e. first ring flat-plate 23 in the main steel pipe 10 in the horizontal direction on angle not
Less than 5 °, second ring flat-plate 24 in the main steel pipe 10 in the horizontal direction on angle be not less than 5 °, to prevent from pouring coagulation
When native, between the ring flat-plate 24 of the first ring flat-plate 23 and second or appearance below is empty, it is ensured that the pouring quality of concrete.
By setting the design of enforced loop plane 20 inside main steel pipe 10, without taking building in the main outside wall surface of steel pipe 10
Build and use area；Meanwhile the enforced loop plane 20 can also be used to strengthen the bonding strength between the girder steel 30 and the main steel pipe 10, carry
The high total bearing capacity of the interior ring type steel tube regeneration monolith assembling structure and the energy dissipation energy in the connecting node region
Power, anti-earthquake ductility are good.
Please also refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 6, further, the interior ring type steel tube regeneration monolith assembling knot
Structure also includes an at least cantilever beam section 40, the quantity of at least one cantilever beam section 40 and the quantity of at least one girder steel 30
It is correspondingly arranged.Specifically, an at least cantilever beam section 40 along the longitudinal direction on cross sectional shape be I-shaped.That is, this is extremely
A few cantilever beam section 40 includes cantilever web 41 and is connected to the two cantilever wing plates 42 at the both ends of cantilever web 41, the cantilever web
41 side is connected with the periphery of main steel pipe 10, and the side of the cantilever wing plate 42 is connected to the periphery of the main steel pipe 10, and this two
The both ends of individual cantilever wing plate 42 correspond to the first ring flat-plate 23 respectively and the second ring flat-plate 24 is set, i.e. two cantilever wing plates 42 are in the master
Link position of the link position with the ring flat-plate 24 of the first ring flat-plate 23 and second on the main steel pipe 10 on the periphery of steel pipe 10 is corresponding
Set.Preferably, the cantilever web 41 is connected by the welding manner of angle welding with main steel pipe 10, and the cantilever wing plate 42 is by complete
Penetration groove weld is connected in the outside wall surface of the main steel pipe 10.The end of two cantilever wing plates 42 can use Widening Design, from
And plastic hinge can be effectively shifted, avoid the connection between the cantilever beam section 40 and main steel pipe 10 from being destroyed.
In the present embodiment, the girder steel 30 is made from the steel with the main phase same material of steel pipe 10, i.e. the girder steel 30 selects
It is made of Q345B steel.The girder steel 30 is two, is respectively relative to the center symmetric setting of the enforced loop plane 20, and the girder steel
30 are located in the connecting node region 21 with the link position of main steel pipe 10, and the angle between two girder steels 30 is 180 °.With reason
Solution, in other embodiments, the girder steel 30 can also be one, three, four, five, the six roots of sensation or more roots etc., depending on tool
Body construction requires setting.
In the present embodiment, the girder steel 30 along the longitudinal direction on shape of cross section be I-shaped, including web 31 and
The wing plate 32 at the both ends of web 31 is connected to, the web 31 is connected with the opposite side of the cantilever web 41, and the one of two wing plate 32
Side is connected on two cantilever wing plates 42.Specifically, the web 31 is outstanding with this by high-strength bolt and doubly-linked fishplate bar 33
Arm web 41 connects.Two wing plate 32 can etc. be respectively welded by way of strong weld on two cantilever webs 42, to ensure this
The shearing of girder steel 30 and effective transmission of moment of flexure.
Further, in order that obtaining the enforced loop plane 20 disclosure satisfy that intensity requirement, the ring flat-plate of the first ring flat-plate 23 and second
24 thickness is not less than the thickness of the wing plate 32.
Interior ring type steel tube regeneration monolith assembling structure provided in an embodiment of the present invention, by being filled out in the main steel pipe
Regeneration block and normal concrete are filled, so as to be recycled to waste and old concrete in the form of regenerating block, is saved
Resource；Enforced loop plane is arranged in main steel pipe, the construction area occupancy to main outer wall of steel pipe face can not only be reduced, additionally it is possible to
The bonding strength of reinforced steel beam and girder and main steel pipe；Fabricated construction is used simultaneously, assembled in situ girder steel, casting concrete can be realized
Process, speed of application is fast, power transmission is clear and definite and construction quality is controllable；In addition, the junction between enforced loop plane and main steel pipe
Connecting node region is formed, and causes the wall thickness of the node area steel pipe at connecting node region compared to main steel pipe other positions
Wall thickness is strengthened, and so as to improve the intensity in the connecting node region and ductility, realizes the detailing requiments of " strong node ", is advantageous to
Improve the anti-seismic performance of the interior ring type steel tube regeneration monolith assembling structure and the structural strength of entirety.
Detailed Jie has been carried out to interior ring type steel tube regeneration monolith assembling structure disclosed in the embodiment of the present invention above
Continue, specific case used herein is set forth to the principle and embodiment of the present invention, and the explanation of above example is only
It is interior the ring type steel tube regeneration monolith assembling structure and its core concept for being used to help understand the present invention；Meanwhile for
Those of ordinary skill in the art, according to the thought of the present invention, change is had in specific embodiments and applications
Place, in summary, this specification content should not be construed as limiting the invention.
Claims (13)
- A kind of 1. interior ring type steel tube regeneration monolith assembling structure, it is characterised in that including：Main steel pipe, the main steel pipe are interior filled with regeneration block and normal concrete；Enforced loop plane, the enforced loop plane are fixedly arranged in the main steel pipe, the horizontal line of the enforced loop plane and the main steel pipe Between angle be not less than 5 °, the junction of the enforced loop plane and the main steel pipe forms connecting node region, the connection Node region is provided with node area steel pipe, and node area steel pipe connects setting with the main steel pipe, node area steel pipe Wall thickness is more than the wall thickness of the main steel pipe；AndAn at least girder steel, an at least girder steel are connected to the periphery of the main steel pipe, and along the periphery of the main steel pipe Stretch out, the junction of at least a girder steel and the main steel pipe is located in the connecting node region.
- 2. interior ring type steel tube regeneration monolith assembling structure according to claim 1, it is characterised in that the node Extended height of area's steel pipe in connecting node region one end is first threshold, and node area steel pipe is in the connecting node The extended height of the region other end is Second Threshold；Wherein, the value of the first threshold is the Second Threshold using the half not less than the first diameter as foundation It is using the half not less than first diameter as foundation；Wherein, the external diameter of described first a diameter of main steel pipe.
- 3. interior ring type steel tube regeneration monolith assembling structure according to claim 1 or 2, it is characterised in that in institute State node area steel pipe external diameter it is equal with the external diameter of the main steel pipe in the case of, it is main described in the wall ratio of node area steel pipe Big more than the 2mm of wall thickness of steel pipe.
- 4. interior ring type steel tube regeneration monolith assembling structure according to claim 1 or 2, it is characterised in that described The confinement coefficient of node area steel pipe is 1.0~2.0；When the main steel pipe and the node region are located at important stress area, the main steel pipe node area steel pipe with The confinement coefficient in outer region is 0.5~1.5；When the main steel pipe and the node region are located at important stress area, the main steel pipe node area steel pipe with The confinement coefficient in outer region is 0.8~1.5.
- 5. interior ring type steel tube regeneration monolith assembling structure according to claim 1, it is characterised in that the reinforcement Ring flat-plate includes spaced first ring flat-plate and the second ring flat-plate, and first ring flat-plate and the second ring flat-plate are fixedly arranged on the main steel pipe It is interior, interval region and first ring flat-plate and the second ring flat-plate and the main steel between first ring flat-plate and the second ring flat-plate The region of pipe connection is the connecting node region.
- 6. interior ring type steel tube regeneration monolith assembling structure according to claim 5, it is characterised in that described first / 3rd of the width of ring flat-plate and the second ring flat-plate no more than the external diameter of the main steel pipe.
- 7. the interior ring type steel tube regeneration monolith assembling structure according to claim 5 or 6, it is characterised in that described At least girder steel includes web and is connected to the wing plate at the web both ends, and the both ends of two wing plates correspond to described the respectively One ring flat-plate and the second ring flat-plate are set, and the interior ring type steel tube regeneration monolith assembling structure also includes an at least cantilever beam Section, an at least cantilever beam section includes cantilever web and is connected to the cantilever wing plate at the cantilever web both ends, described outstanding The side of arm web is connected with the periphery of the main steel pipe, and the web is connected to the opposite side of the cantilever web, described in two Wing plate is connected to the two cantilever wing plates.
- 8. interior ring type steel tube regeneration monolith assembling structure according to claim 7, it is characterised in that described first The thickness of ring flat-plate and the second ring flat-plate is not less than the thickness of the wing plate.
- 9. interior ring type steel tube regeneration monolith assembling structure according to claim 1, it is characterised in that the reinforcement Some steam vents are offered on ring flat-plate, and the diameter of the steam vent is not less than 50mm.
- 10. interior ring type steel tube regeneration monolith assembling structure according to claim 1, it is characterised in that it is described again Raw block is filled in the main steel duct, and the normal concrete is filled between the regeneration block and the main steel pipe Gap location.
- 11. according to ring type steel tube regeneration monolith assembling structure in claim 10, it is characterised in that the regeneration block For giving up after all or part of reinforcing bar of old buildings, old structures, old road, old bridge or old dykes and dams removal Old concrete.
- 12. interior ring type steel tube regeneration monolith assembling structure according to claim 1, it is characterised in that it is described again The mass substitution rate of whole concrete of the raw block to being filled in the main steel pipe is 20%~35%.
- 13. interior ring type steel tube regeneration monolith assembling structure according to claim 1, it is characterised in that the master The shape of cross section of steel pipe is any one in circular or polygon.
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| CN201611217364.0A CN106703196B (en) | 2016-12-26 | 2016-12-26 | Interior ring type steel tube regeneration monolith assembling structure |
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| CN201611217364.0A CN106703196B (en) | 2016-12-26 | 2016-12-26 | Interior ring type steel tube regeneration monolith assembling structure |
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| CN106703196B true CN106703196B (en) | 2018-01-12 |
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|---|---|---|---|---|
| CN101691782A (en) * | 2009-09-30 | 2010-04-07 | 华南理工大学 | Node for thin-wall steel tube regenerative mixed column and reinforced concrete beam and construction method thereof |
| CN103088964A (en) * | 2013-01-24 | 2013-05-08 | 合肥工业大学 | Steel tube foam concrete combined upright column and construction method thereof |
| CN103088914A (en) * | 2011-11-03 | 2013-05-08 | 长江大学 | Node structure for connection between concrete filled steel tube special-shaped column and steel girder |
| CN203034609U (en) * | 2012-11-27 | 2013-07-03 | 苏州工业园区设计研究院股份有限公司 | Connecting panel joint of concrete filled steel tubular column and reinforced concrete frame beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206646646U (en) * | 2016-12-26 | 2017-11-17 | 深圳市建筑设计研究总院有限公司 | Interior ring type steel tube regeneration monolith assembling structure |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691782A (en) * | 2009-09-30 | 2010-04-07 | 华南理工大学 | Node for thin-wall steel tube regenerative mixed column and reinforced concrete beam and construction method thereof |
| CN103088914A (en) * | 2011-11-03 | 2013-05-08 | 长江大学 | Node structure for connection between concrete filled steel tube special-shaped column and steel girder |
| CN203034609U (en) * | 2012-11-27 | 2013-07-03 | 苏州工业园区设计研究院股份有限公司 | Connecting panel joint of concrete filled steel tubular column and reinforced concrete frame beam |
| CN103088964A (en) * | 2013-01-24 | 2013-05-08 | 合肥工业大学 | Steel tube foam concrete combined upright column and construction method thereof |
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