CN106759857A - Steel tube regeneration monolith assembling structure - Google Patents
Steel tube regeneration monolith assembling structure Download PDFInfo
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- CN106759857A CN106759857A CN201611216711.8A CN201611216711A CN106759857A CN 106759857 A CN106759857 A CN 106759857A CN 201611216711 A CN201611216711 A CN 201611216711A CN 106759857 A CN106759857 A CN 106759857A
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- Prior art keywords
- steel pipe
- main steel
- assembling structure
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- plate
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Classifications
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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
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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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
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of steel tube regeneration monolith assembling structure, including main steel pipe and at least one girder steel, filled with regeneration block and normal concrete in the main steel pipe, at least one girder steel is fixed in the periphery of the main steel pipe, and the periphery along the main steel pipe stretches out, at least one girder steel forms connecting node region with the junction of the main steel pipe, the connecting node region is provided with node district steel pipe, the node district steel pipe connects setting, the wall thickness of the wall thickness more than the main steel pipe of the node district steel pipe with the main steel pipe.Steel tube regeneration monolith assembling structure of the invention can not only ensure the structural strength of the steel tube regeneration monolith assembling structure; also there is easy construction simultaneously; recycled in the way of realizing waste and old concrete to regenerate block, and reach environmental protection, the effect of energy saving.
Description
Technical field
The present invention relates to the technical field of structural engineering in civil engineering, and in particular to a kind of steel tube regeneration monolith
Assembling structure.
Background technology
With the implementation of continuous propulsion and the urban renewal plan of China's Urbanization Construction process, existent building is a large amount of
Remove, so that substantial amounts of concrete solid waste is produced, 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 quickly grows, and concrete is huge as main construction material consumption, and mixes
Solidifying soil aggregate needs take stone, the naughty river sand that digs by cutting into a mountain and obtain.The consumption of substantial amounts of aggregate inevitably causes
Environmental disruption and resource consumption, and the cement required for being made concrete, can discharge substantial amounts of dusty gas in process of production
And dust, will also result in environmental pollution.
Therefore, building structure construction simplicity and energy-conserving and environment-protective how are realized, and realizes the profit again of concrete solid waste
With being that building trade realizes sustainable development problem demanding prompt solution.
The content of the invention
Present invention solves the technical problem that being to provide a kind of steel tube regeneration monolith assembling structure, coagulation can be realized
The recycling of native 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 steel tube regeneration monolith assembling structure is provided, including：
Filled with regeneration block and normal concrete in main steel pipe, the main steel pipe；And
At least one girder steel, at least one girder steel is fixed in the periphery of the main steel pipe, and along the main steel pipe
Periphery stretches out；
At least one girder steel forms connecting node region, the connecting node region with the junction of the main steel pipe
Node district steel pipe is provided with, the node district steel pipe connects setting with the main steel pipe, and the wall thickness of the node district steel pipe is more than
The wall thickness of the main steel pipe.
Used as an implementation method, extended height of the node district steel pipe in connecting node region one end is first
Threshold value, the node district steel pipe is Second Threshold in the extended height of the connecting node region other end；
Wherein, it with 1/2nd not less than the first diameter is foundation that the value of the first threshold is, described second
It with 1/2nd not less than first diameter is foundation that threshold value is；
Wherein, the external diameter of described first a diameter of main steel pipe.
As an implementation method, in the external diameter of the node district steel pipe situation equal with the external diameter of the main steel pipe
Under, big more than the 2mm of wall thickness of main steel pipe described in the wall ratio of the node district steel pipe.
Used as an implementation method, the confinement coefficient of the node district steel pipe is 1.0~2.0；
When the main steel pipe and the connecting node region are respectively positioned on important stress area, the main steel pipe is in the section
The confinement coefficient in the region beyond point area's steel pipe is 0.5~1.5；
When the main steel pipe and the connecting node region are respectively positioned on insignificant stress area, the main steel pipe is described
The confinement coefficient in the region beyond node district steel pipe is 0.8~1.5.
Specifically, in such scheme, the connecting node region is assembled as the steel tube regeneration monolith and is tied
The important stress area of structure, the confinement coefficient of the node district steel pipe is 1.0~2.0；When the main steel pipe and the connection
When node region is located at important stress area, the confinement coefficient of the main steel pipe can be 0.8~1.5；When the main steel pipe and institute
When stating connecting node region positioned at insignificant stress area, the confinement coefficient of the main steel pipe can be 0.5~1.5.
Used as an implementation method, the steel tube regeneration monolith assembling structure also includes enforced loop plane, described to add
Strong ring flat-plate is fixedly arranged on the periphery of the main steel pipe, and at least one girder steel is connected on the enforced loop plane, the reinforcing ring
Plate forms the connecting node region with the junction of the main steel pipe.
Used as an implementation method, the enforced loop plane includes spaced first ring flat-plate, the second ring flat-plate and is connected to
At least one piece connection riser between first ring flat-plate and the second ring flat-plate, first ring flat-plate and the second ring flat-plate are closed-loop
Structure, at least one girder steel is connected riser connection with described at least one piece.
As an implementation method, the periphery of first ring flat-plate and the second ring flat-plate integrally formed with extension board, the company
The two ends for connecing riser are connected between extension board described in two, the outside wall surface of the side and the main steel pipe for connecting riser
Connection.
Used as an implementation method, at least one girder steel includes web and is connected to the wing plate at the web two ends,
The web is connected with the opposite side of the connection riser, and wing plate described in two is connected with extension board described in two respectively.
Wherein, the two ends of at least one piece connection riser are connected on extension board described in two by angle welding respectively, institute
The side for stating at least one piece connection riser is connected to the outside wall surface of the main steel pipe by angle welding.
Wherein, the web is connected by high-strength bolt and doubly-linked fishplate bar with the connection riser, wing plate difference described in two
With the strong weld such as extension board described in two.
Preferably, the shape of cross section that the girder steel is gone up along the longitudinal direction is I-shaped.
As an implementation method, the thickness of the thickness not less than the wing plate of first ring flat-plate and the second ring flat-plate, institute
State 0.7 times of width not less than the wing plate width of the first ring flat-plate and the second ring flat-plate.
Used as an implementation method, the enforced loop plane is welded in the periphery of the main steel pipe, institute by full penetration weld
State at least one girder steel and pass through bolt-weld joint with the enforced loop plane.
Preferably, the main steel pipe, the enforced loop plane and at least one 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 two adjacent girder steels is 90 °.
Used as an implementation method, 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.
Used as an implementation method, the regeneration block is old buildings, old structures, old road, old bridge
Waste and old concrete after beam or all or part of reinforcing bar of old dykes and dams removal.
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 the removal of gained.
As an implementation method, the mass substitution of whole concrete of the regeneration block to being 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%.
Used as an implementation method, 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 inner ring of the enforced loop plane is shaped as circular, just with what the cross section of the main steel pipe matched
Square, rectangle, pentagon, hexagon or octagon etc..
Compared with prior art, the present invention having the beneficial effect that using technical scheme：
(1) easy construction.Steel tube regeneration monolith assembling structure of the present invention uses fabricated construction, using reinforcing ring
With at least one girder steel be assembled together main steel pipe by plate, and convenient and quick construction can realize assembled in situ girder steel, pour coagulation
The operation of soil, 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, improves the intensity and ductility in connecting node region, realizes the detailing requiments of " strong node ", is conducive to improving the steel
The anti-seismic performance of pipe regeneration monolith assembling structure and the structural strength of entirety.
(3) economize on resources.The present invention is using filling regeneration block and the normal concrete in main steel pipe such that it is able to will be useless
Old concrete is recycled, and is saved greatly resource, reduces the discarded landfill to the waste and old concrete, it is to avoid cause ring
The pollution of border, water quality and soil.
Sum it up, steel tube regeneration monolith assembling structure of the invention can not only ensure that concrete filled steel tube is assembled
Structural strength and the anti-seismic performance requirement of structure, and it is simple, quick and easy for installation to construct, while can also economize on resources.
Brief description of the drawings
Fig. 1 is the structural representation of steel tube regeneration monolith assembling structure provided in an embodiment of the present invention.
Fig. 2 is the decomposing schematic representation of steel tube regeneration monolith assembling structure provided in an embodiment of the present invention.
Fig. 3 is the internal cross section figure of Fig. 1.
Fig. 4 is the top view of Fig. 1.
Specific embodiment
In the present invention, term " on ", D score, "left", "right", "front", "rear", " top ", " bottom ", " interior ", " outward ",
" 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 describe the 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, these terms concrete meaning in the present invention can be as the case may be understood.
Additionally, term " installation ", " setting ", " being provided with ", " connection ", " connected " should be interpreted broadly.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, or
It is indirectly connected to by intermediary, or is two connections internal between device, element or part.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
Additionally, term " first ", " second " etc. are mainly used for distinguishing different devices, element or part (specifically
Species identical may be likely to difference with construction), be not intended to show or implies meaning 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.
It is the knot of steel tube regeneration monolith assembling structure provided in an embodiment of the present invention also referring to Fig. 1 to Fig. 4
Structure schematic diagram.The steel tube regeneration monolith assembling structure includes main steel pipe 10 and at least one girder steel 20, the main steel pipe 10
It is interior filled with regeneration block 11 and normal concrete 12.At least one girder steel 20 is fixed in the periphery of main steel pipe 10, and edge should
The periphery of main steel pipe 10 stretches out.At least one girder steel 20 forms connecting node region with the junction of the main steel pipe 10
21, the connecting node region 21 is provided with node district steel pipe 22, and the node district steel pipe 22 connects setting with the main steel pipe 10, the section
The wall thickness of the wall thickness more than the main steel pipe 10 of point area's steel pipe 22.
In the present embodiment, the main steel pipe 10 selects Q345B steel, and it has good combination property, low temperature performance well, cold punching
Pressure performance, welding performance and the good advantage of machinability.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 general steel pipe.
Further, any one in the optional circular or polygon of the shape of cross section of the main steel pipe 10, 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 round steel pipe.
In the present embodiment, in the main steel pipe 10 the regeneration block 11 of filling be old buildings, it is old structures, old
The waste and old concrete after all or part of reinforcing bar of removal obtained by the dismounting of road, old bridge or old dykes and dams.That is, the regeneration
Block 11 is to remove the concrete obtained by the dismounting of old buildings, old structures, old road, old bridge or old dykes and dams
Except the core after protective layer, vertical muscle, stirrup.For example, the regeneration block 11 selected in this implementation selects old buildings
Waste and old concrete after all or part of reinforcing bar of removal.Certainly, in other embodiments, the regeneration block 11 also can select 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 regeneration block 11, discarded component can be saved
(that is, above-mentioned old buildings, old structures, old road, old bridge or old dykes and dams) are getting rid of protective layer, vertical
The mass energy consumed during also needing to be crushed after the waste and old concrete of muscle etc., sieve, purify etc., while also can
Save a large amount of water, cement and the energy that configuration obtains regenerated aggregate concrete consuming.
Further, in order to ensure the structural strength and pouring quality of the steel tube regeneration monolith assembling structure,
Filling proportion of the regeneration block 11 in the main steel pipe 10 is less than packing ratio of the normal concrete 12 in the main steel pipe 10
Example.Specifically, the mass substitution rate of whole concrete of filling is 20%~35% in the main steel pipe 10 of the regeneration block 11 pairs,
That is, when filling regeneration block 11 and the normal concrete 12 in the main steel pipe 10, the regeneration block 11 accounts for whole concrete
The 20%~35% of gross mass.Preferably, the quality of whole concrete of filling is replaced in the main steel pipe 10 of the regeneration block 11 pairs
It is 20%, 25%, 30% or 35% etc. for rate, to ensure the pouring quality of the regeneration block 11, and realizes to waste and old coagulation
Soil in the form of regenerating block 11 while to be recycled, it is also possible to meets the knot of steel tube regeneration monolith assembling structure
Structure intensity requirement.
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, reduced 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 is mixed with common
Solidifying soil 12 can form entirety, and then form regeneration monolith, so as to meet steel tube regeneration monolith assembling structure
Intensity requirement.Specifically, in filling, part normal concrete 12 is first filled in main steel pipe 10, then block 11 will be regenerated
Replace with normal concrete 12 and insert in main steel pipe 10, while using stirring tool to the normal concrete 12 and regeneration block 11
It 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, due to the wall thickness of the wall thickness more than the main steel pipe 10 of the node district steel pipe 22, therefore, formed
During the node district steel pipe 22, then can be distinguished at the two ends of the larger steel pipe of the wall thickness by first providing wall thickness larger steel pipe
Connection the less steel pipe of wall thickness, the larger steel tube place of the wall thickness position be to form the node district steel pipe 22.
Further, the wall thickness of the node district 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 the stress intensity requirement as main forced position.Preferably, the node district 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 district 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 district steel pipe 22 are 800mm, the wall thickness of the node district 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 district 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 district steel pipe 22 can upwardly or downwardly prolong along the connecting node region 21
Stretch.Specifically, extended height of the node district steel pipe 22 in the one end of connecting node region 21 is first threshold, the node district 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 3, 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 vertically downwards one
End.It with 1/2nd not less than the first diameter is foundation that the value of the first threshold is, the value of the Second Threshold be with
Be foundation not less than 1/2nd of first diameter, and first a diameter of main steel pipe 10 external diameter.That is, the node district
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 district 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.For example, a diameter of when the main steel pipe 10
During 800mm, i.e. first a diameter of 800mm, now, the node district steel pipe 22 can upwards prolong along the connecting node region 21
400mm is stretched, the node district 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 district 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 as the steel tube regeneration monolith assembling structure important force area
Domain, the confinement coefficient (that is, constraint transformation) of the node district steel pipe 22 is 1.0~2.0.The value of confinement coefficient can reflect
Node region steel pipe 22 and its internal regeneration block 11 and the compound action level of normal concrete 12.For example, working as the node district
When the confinement coefficient of steel pipe 22 selects 2.0, confinement coefficient is maximum, and in loading process, node district steel pipe 22 is filled to its inside
Regeneration block 11 and normal concrete 12 larger effect of contraction is provided, now, the steel tube regeneration monolith assembling knot
The bulk strength and ductility of structure are relatively strong；Conversely, when the confinement coefficient of the node district steel pipe 22 selects 1.0, confinement coefficient
Minimum, in loading process, the constraint of regeneration block 11 and normal concrete 12 that node district steel pipe 22 is filled to its inside is made
With smaller, now, the bulk strength and ductility of the steel tube regeneration monolith assembling structure are relatively weak.Therefore, using this
Confinement coefficient, can exactly reflect the compound action level between steel pipe and concrete.
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 positioned at the important stress area of whole building structural system, it is when confinement coefficient is maximum to filling in it
Regeneration block 11 and normal concrete 12 effect of contraction it is maximum, when confinement coefficient is 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 order to ensure at least one girder steel 20 and the bonding strength of the main steel pipe 10, steel tube regeneration monolith dress
Distribution structure also includes enforced loop plane 30, and the enforced loop plane 30 is fixedly arranged on the periphery of the main steel pipe 10, and at least one girder steel 20 is consolidated
On the enforced loop plane 30, the enforced loop plane 30 forms the connecting node region 21 with the junction of the main steel pipe 10.At this
In embodiment, the enforced loop plane 30 is preferably with the steel with the phase same material of main steel pipe 10, i.e. the enforced loop plane 30 is selected
Q345B steel are made.The enforced loop plane 30 can be welded in the periphery of the main steel pipe 10 by way of full penetration, to ensure
Being completely embedded property between the enforced loop plane 30 and the main steel pipe 10.Preferably, the inner ring shape of the enforced loop plane 30 can be with this
Main steel pipe 10 is adapted, for example, when the main steel pipe 10 is pipe, the inner ring of the enforced loop plane 30 is shaped as circle.And work as and be somebody's turn to do
When main steel pipe 10 is the polygonal shapes such as square, rectangle, hexagon or octagon, the inner ring of the enforced loop plane 30 is shaped as
Square, rectangle, hexagon or octagon matched with the shape of the main steel pipe 10 etc..It is understood that the reinforcement
The outer ring-shaped of ring flat-plate 30 can also be circle, square, rectangle, pentagon, hexagon or octagon etc..
Further, the enforced loop plane 30 include spaced first ring flat-plate 31, the second ring flat-plate 32 and be connected to this
At least one piece connection riser 33 between one ring flat-plate 31 and the second ring flat-plate 32, the ring flat-plate 32 of the first ring flat-plate 31 and second is closing
Ring structure.Specifically, the spacing between the ring flat-plate 32 of the first ring flat-plate 31 and second is to be with the height of an at least girder steel 20
Foundation.
In the present embodiment, the quantity of this at least one piece connection riser 33 is and at least one quantity phase of girder steel 20
Match somebody with somebody, i.e. when the girder steel 20 is one, the quantity of the connection riser 33 is one piece；When the girder steel 20 is two, the connection
The quantity of riser 33 is two pieces, by that analogy.
Further, the periphery of the ring flat-plate 32 of the first ring flat-plate 31 and second is integrally formed with extension board 34, the connection riser
33 two ends are respectively and fixedly connected with extension board 34 described in two.Specifically, the extension board 34 on the ring flat-plate 32 of the first ring flat-plate 31 and second
Quantity the quantity of riser 33 be connected with this be respectively correspondingly arranged.The two ends of the connection riser 33 connect first ring flat-plate 31 respectively
On the ring flat-plate 32 of extension board 34 and second on extension board 34, and the side of the connection riser 33 is connected to the outer of the main steel pipe 10
On wall.Preferably, the connection riser 33 by fillet weld seam in the outside wall surface of the main steel pipe 10, and the connection riser 33
Two ends by fillet weld seam on two extension board 34.
In the present embodiment, the girder steel 20 is selected and is made with the steel of the phase same material of main steel pipe 10, i.e. the girder steel 20 is selected
It is made of Q345B steel.The girder steel 20 is four, and the center for being respectively relative to the enforced loop plane 30 is set in quadrangle, and
Angle between two adjacent girder steels 20 is 90 °.That is, four girder steels 20 are oppositely arranged two-by-two respectively.It is understood that
In other embodiments, the girder steel 20 can be also one, two, three, five, the six roots of sensation or more etc., depending on Specific construction
It is required that setting.
In the present embodiment, the shape of cross section that the girder steel 20 is gone up along the longitudinal direction be I-shaped, including web 23 and
The wing plate 24 at the two ends of web 23 is connected to, the web 23 is connected riser 33 with this and connects, two wing plate 24 two prolongs with this respectively
Plate 34 is stretched to connect.Specifically, the web 23 is connected riser 33 with this and is connected by high-strength bolt and doubly-linked fishplate bar 35.Two wing plate
24 can etc. be respectively welded on two extension boards 34 by way of strong weld, it is effective with moment of flexure with the shearing for ensuring the girder steel 20
Transmission.
The connection between the girder steel 20 and main steel pipe 10 is realized using the enforced loop plane 30, the girder steel 20 can not only be strengthened
With the bonding strength between the main steel pipe 10, the total bearing capacity of the steel tube regeneration monolith assembling structure is improved；Can also
The energy dissipation capability in the connecting node region is improved, anti-earthquake ductility is good.
Further, in order that obtaining the enforced loop plane 30 disclosure satisfy that intensity requirement, the ring flat-plate of the first ring flat-plate 31 and second
32 thickness is not less than the thickness of the wing plate 24, and the width of the ring flat-plate 32 of the first ring flat-plate 31 and second is wide not less than the wing plate 24
0.7 times of degree.When the ring flat-plate 32 of the first ring flat-plate 31 and second is annulus, the width of the ring flat-plate 32 of the first ring flat-plate 31 and second
It is its outer shroud radius and the difference of its inner ring radius.For example, when the thickness of the wing plate 24 is 10mm, first ring flat-plate 31 and second
The thickness of ring flat-plate 32 is also 10mm.When the width of the wing plate 24 is 400mm, the width of the ring flat-plate 32 of the first ring flat-plate 31 and second
It is 280mm.Certainly, the thickness and width of the wing plate 24 can be chosen according to practice of construction requirement, first ring flat-plate 31 and second
The thickness and width of ring flat-plate 32 can be selected according to the thickness of the wing plate 24 and width.
Steel tube regeneration monolith assembling structure provided in an embodiment of the present invention, by filling regeneration in the main steel pipe
Block and normal concrete such that it is able to recycled in the form of regenerating block to waste and old concrete, have saved resource；Profit
Main steel pipe and girder steel are assembled together with enforced loop plane, are capable of the bonding strength of reinforced steel beam and girder and main steel pipe, while using dress
With formula structure, the operation of assembled in situ girder steel, casting concrete can be realized, speed of application is fast, power transmission is clear and definite and construction quality
It is controllable；Additionally, the junction between enforced loop plane and main steel pipe forms connecting node region, and cause at connecting node region
Node district steel pipe wall thickness compared to main steel pipe other positions wall thickness strengthen, it is possible to increase the intensity in the connecting node region
And ductility, the detailing requiments of " strong node " are realized, be conducive to improving the shock resistance of the steel tube regeneration monolith assembling structure
The structural strength of energy and entirety.
Steel tube regeneration monolith assembling structure disclosed in the embodiment of the present invention is described in detail above, herein
In apply specific case principle of the invention and implementation method be set forth, the explanation of above example is only intended to side
Assistant solves steel tube regeneration monolith assembling structure of the invention and its core concept；Simultaneously for the general skill of this area
Art personnel, according to thought of the invention, will change in specific embodiments and applications, in sum, this
Description should not be construed as limiting the invention.
Claims (14)
1. a kind of steel tube regeneration monolith assembling structure, it is characterised in that including：
Filled with regeneration block and normal concrete in main steel pipe, the main steel pipe；And
At least one girder steel, at least one girder steel is fixed in the periphery of the main steel pipe, and along the periphery of the main steel pipe
Stretch out；
At least one girder steel forms connecting node region with the junction of the main steel pipe, and the connecting node region is set
There is node district steel pipe, the node district steel pipe connects setting with the main steel pipe, and the wall thickness of the node district steel pipe is more than described
The wall thickness of main steel pipe.
2. steel tube regeneration monolith assembling structure according to claim 1, it is characterised in that the node district steel pipe
Extended height in connecting node region one end is first threshold, and the node district steel pipe is another in the connecting node region
The extended height of one end is Second Threshold；
Wherein, it with 1/2nd not less than the first diameter is foundation that the value of the first threshold is, the Second Threshold
It with 1/2nd not less than first diameter is foundation to be；
Wherein, the external diameter of described first a diameter of main steel pipe.
3. steel tube regeneration monolith assembling structure according to claim 1 and 2, it is characterised in that in the node
In the case that the external diameter of area's steel pipe is equal with the external diameter of the main steel pipe, main steel pipe described in the wall ratio of the node district steel pipe
Big more than the 2mm of wall thickness.
4. steel tube regeneration monolith assembling structure according to claim 1 and 2, it is characterised in that the node district
The confinement coefficient of steel pipe is 1.0~2.0；
When the main steel pipe and the connecting node region are respectively positioned on important stress area, the main steel pipe is in the node district
The confinement coefficient in the region beyond steel pipe is 0.5~1.5；
When the main steel pipe and the connecting node region are respectively positioned on insignificant stress area, the main steel pipe is in the node
The confinement coefficient in the region beyond area's steel pipe is 0.8~1.5.
5. steel tube regeneration monolith assembling structure according to claim 1, it is characterised in that the steel tube regeneration block
Body concrete assembling structure also includes enforced loop plane, and the enforced loop plane is fixedly arranged on the periphery of the main steel pipe, described at least one
Root girder steel is connected on the enforced loop plane, and the enforced loop plane forms the connecting node area with the junction of the main steel pipe
Domain.
6. steel tube regeneration monolith assembling structure according to claim 5, it is characterised in that the enforced loop plane bag
Include spaced first ring flat-plate, the second ring flat-plate and at least one piece connection being connected between first ring flat-plate and the second ring flat-plate
Riser, first ring flat-plate and the second ring flat-plate are enclosed ring, and at least one girder steel is connected with described at least one piece
Riser is connected.
7. steel tube regeneration monolith assembling structure according to claim 6, it is characterised in that first ring flat-plate and
The periphery of the second ring flat-plate is connected between extension board described in two integrally formed with extension board, the two ends of the connection riser,
And the side of the connection riser is connected to the outside wall surface of the main steel pipe.
8. steel tube regeneration monolith assembling structure according to claim 7, it is characterised in that at least one steel
Beam includes web and is connected to the wing plate at the web two ends, and the web is connected with the opposite side of the connection riser, two institutes
Wing plate is stated to be connected with extension board described in two respectively.
9. steel tube regeneration monolith assembling structure according to claim 8, it is characterised in that first ring flat-plate and
Not less than the thickness of the wing plate, the width of first ring flat-plate and the second ring flat-plate is not less than the wing plate to the thickness of the second ring flat-plate
0.7 times of width.
10. the steel tube regeneration monolith assembling structure according to any one of claim 5 to 8, it is characterised in that described
By full penetration in the periphery of the main steel pipe, at least one girder steel passes through bolt to enforced loop plane with the enforced loop plane
Weldering connection.
The 11. steel tube regeneration monolith assembling structure according to any one of claim 1 to 8, it is characterised in that described
Regeneration 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.
12. according to claim 11 steel tube regeneration monolith assembling structure, it is characterised in that the regeneration block is old
Waste and old coagulation after all or part of reinforcing bar of building, old structures, old road, old bridge or old dykes and dams removal
Soil.
The 13. steel tube regeneration monolith assembling structure according to any one of claim 1 to 12, it is characterised in that institute
The mass substitution rate for stating whole concrete of the regeneration block to being filled in the main steel pipe is 20%~35%.
The 14. steel tube regeneration monolith assembling structure according to any one of claim 1 to 12, it is characterised in that institute
The shape of cross section for stating main steel pipe be circular or polygon in any one.
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| CN201611216711.8A CN106759857B (en) | 2016-12-26 | 2016-12-26 | Steel tube regeneration monolith assembling structure |
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|---|---|---|---|
| CN201611216711.8A CN106759857B (en) | 2016-12-26 | 2016-12-26 | Steel tube regeneration monolith assembling structure |
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| CN106759857B CN106759857B (en) | 2017-12-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806177A (en) * | 2017-09-27 | 2018-03-16 | 深圳华森建筑与工程设计顾问有限公司 | The connecting joint structure of multi-joint limb steel member |
| CN108643352A (en) * | 2018-04-18 | 2018-10-12 | 浙江大地钢结构有限公司 | The board-like connecting node of outer shroud |
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| 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 |
| 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 |
| CN106121056A (en) * | 2016-08-23 | 2016-11-16 | 华南理工大学 | Thin-wall steel tube regenerative mixed column and the bilayer narrow ring flat-plate FRP node of girder steel |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107806177A (en) * | 2017-09-27 | 2018-03-16 | 深圳华森建筑与工程设计顾问有限公司 | The connecting joint structure of multi-joint limb steel member |
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| CN108643352A (en) * | 2018-04-18 | 2018-10-12 | 浙江大地钢结构有限公司 | The board-like connecting node of outer shroud |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106759857B (en) | 2017-12-19 |
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