CN106759857B - Steel tube regeneration monolith assembling structure - Google Patents

Steel tube regeneration monolith assembling structure Download PDF

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Publication number
CN106759857B
CN106759857B CN201611216711.8A CN201611216711A CN106759857B CN 106759857 B CN106759857 B CN 106759857B CN 201611216711 A CN201611216711 A CN 201611216711A CN 106759857 B CN106759857 B CN 106759857B
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China
Prior art keywords
steel pipe
main steel
main
plate
assembling structure
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CN201611216711.8A
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CN106759857A (en
Inventor
刘琼祥
刘伟
许喆
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Shenzhen General Institute of Architectural Design and Research Co Ltd
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Shenzhen General Institute of Architectural Design and Research Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/30Structures 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/58Connections for building structures in general of bar-shaped building elements

Abstract

The invention discloses a kind of steel tube regeneration monolith assembling structure, including main steel pipe and an at least girder steel, filled with regeneration block and normal concrete in the main steel pipe, an at least girder steel is fixed in the periphery of the main steel pipe, and stretch out along the periphery of the main steel pipe, the junction of an at least girder steel and the main steel pipe forms connecting node region, the connecting node region is provided with node area steel pipe, node area steel pipe connects setting with the main steel pipe, and the wall thickness of node area steel pipe is more than the wall thickness of the main steel pipe.The steel tube regeneration monolith assembling structure of the present invention can not only ensure the structural strength of the steel tube regeneration monolith assembling structure; also have simultaneously easy for construction; realize that waste and old concrete recycles in a manner of regenerating block, and reach environmental protection, save the effect of the energy.

Description

Steel tube regeneration monolith assembling structure
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
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 being to provide a kind of steel tube regeneration monolith assembling structure, coagulation can be realized The recycling of native solid waste and cause building structure construction is 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:
Main steel pipe, the main steel pipe are interior filled with regeneration block and normal concrete;And
An at least girder steel, an at least girder steel are fixed in the periphery of the main steel pipe, and along the main steel pipe Periphery stretches out;
The junction of an at least girder steel and the main steel pipe forms connecting node region, the connecting node region Node area steel pipe is provided with, node area steel pipe connects setting with the main steel pipe, and the wall thickness of node area steel pipe is more than The wall thickness of the main steel pipe.
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 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 area steel pipe is 0.8~1.5.
Specifically, in such scheme, the connecting node region is assembled as the steel tube regeneration monolith and tied The important stress area of structure, the confinement coefficient of node area 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 and being located at insignificant stress area, the confinement coefficient of the main steel pipe can be 0.5~1.5.
As an embodiment, 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 an at least girder steel is connected on the enforced loop plane, the reinforcing ring The junction of plate and the main steel pipe forms the connecting node region.
As an embodiment, 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, an at least girder steel are connected riser connection with described at least one piece.
As an embodiment, the periphery of first ring flat-plate and the second ring flat-plate is integrally formed with extension board, the company The both ends for connecing riser are connected between two extension boards, the side of the connection riser and the outside wall surface of the main steel pipe Connection.
As an embodiment, an at least girder steel includes web and is connected to the wing plate at the web both ends, The opposite side of the web and the connection riser is connected, and two wing plates are connected with two extension boards respectively.
Wherein, the both ends of at least one piece connection riser are connected on two extension boards 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, the two wing plate difference With the strong weld such as two extension boards.
Preferably, the girder steel along the longitudinal direction on shape of cross section be I-shaped.
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, institute The width for stating the first ring flat-plate and the second ring flat-plate is not less than 0.7 times of the wing plate width.
As an embodiment, the enforced loop plane is welded in the periphery of the main steel pipe, institute by full penetration weld State an at least girder steel and pass through bolt-weld joint with the enforced loop plane.
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, 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 inner ring 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.Steel tube regeneration monolith assembling structure of the present invention uses fabricated construction, utilizes reinforcing ring Main steel pipe and an at least girder steel are assembled together by plate, convenient and quick construction, can realize assembled in situ girder steel, pour coagulation The process 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, the intensity and ductility in connecting node region are improved, realize the detailing requiments of " strong node ", be advantageous to improve the steel The anti-seismic performance of pipe 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, and is saved greatly resource, is reduced the discarded landfill to the waste and old concrete, is avoided causing ring The pollution in border, water quality and soil.
Sum it up, the steel tube regeneration monolith assembling structure of the present invention can not only ensure that concrete filled steel tube assembles Structural strength and the anti-seismic performance requirement of structure, and it is construction is simple, quick and easy for installation, 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 Fig. 1 internal cross section figure.
Fig. 4 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 the knot of steel tube regeneration monolith assembling structure provided in an embodiment of the present invention Structure schematic diagram.The steel tube regeneration monolith assembling structure includes main steel pipe 10 and an at least girder steel 20, the main steel pipe 10 It is interior to be filled with regeneration block 11 and normal concrete 12.An at least girder steel 20 is fixed in the periphery of main steel pipe 10, and along this The periphery of main steel pipe 10 stretches out.The junction of an at least girder steel 20 and the main steel pipe 10 forms connecting node region 21, the connecting node region 21 is provided with node area steel pipe 22, and the node area steel pipe 22 connects setting with the main steel pipe 10, the section The wall thickness of point area's steel pipe 22 is more than the wall thickness of the main steel pipe 10.
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.
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 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 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 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 being got rid of protective layer, indulged 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 configuration and obtain a large amount of water, cement and the energy of 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 regeneration block 11 is 20%~35% to the mass substitution rate of whole concrete of filling in the main steel pipe 10, That is, when the filling regeneration block 11 in the main steel pipe 10 and normal concrete 12, the regeneration block 11 accounts for whole concrete The 20%~35% of gross mass.Preferably, the regeneration block 11 replaces to the quality of whole concrete of filling in the main steel pipe 10 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 While soil is recycled in the form of regenerating block 11, the knot of steel tube regeneration monolith assembling structure also disclosure satisfy that 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, 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 steel tube regeneration monolith assembling structure Intensity requirement.Specifically, in filling, the first fill part normal concrete 12 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, 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 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 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, important force area of the connecting node region 21 as the steel tube regeneration monolith assembling structure Domain, 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 reflect The compound action of node region steel pipe 22 and its internal regeneration block 11 and normal concrete 12 is horizontal.For example, work as the node area When the confinement coefficient of steel pipe 22 selects 2.0, confinement coefficient is maximum, and in loading process, node area 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 area steel pipe 22 selects 1.0, confinement coefficient Minimum, in loading process, the constraint of regeneration block 11 and normal concrete 12 that node area 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, this is utilized 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 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 a girder steel 20 is solid for this On the enforced loop plane 30, the junction of the enforced loop plane 30 and the main steel pipe 10 forms the connecting node region 21.At this In embodiment, the enforced loop plane 30 is preferably with the steel with the main phase same material of 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 to match with the shape of the main steel pipe 10 etc..It is understood that the reinforcement The outer shroud shape 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 be using the height of at least one girder steel 20 as Foundation.
In the present embodiment, the quantity of this at least one piece connection riser 33 is the quantity phase with least one 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 both ends are respectively and fixedly connected with two extension boards 34.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 both 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 Both ends by fillet weld seam on two extension board 34.
In the present embodiment, the girder steel 20 is made from the steel with the main phase same material of steel pipe 10, i.e. the girder steel 20 selects 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 also be one, two, three, five, the six roots of sensation or more roots etc., depending on Specific construction It is required that setting.
In the present embodiment, the girder steel 20 along the longitudinal direction on shape of cross section be I-shaped, including web 23 and The wing plate 24 at the both ends of web 23 is connected to, the web 23 is connected riser 33 with this and connected, and 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 by high-strength bolt and doubly-linked fishplate bar 35 and connected.Two wing plate 24 can etc. be respectively welded by way of strong weld on two extension boards 34, to ensure the effective of the shearing of the girder steel 20 and moment of flexure Transmit.
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 For the difference of its outer shroud radius and 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 For 280mm.Certainly, the thickness of the wing plate 24 and width can require to choose according to practice of construction, first ring flat-plate 31 and second The thickness and width of ring flat-plate 32 can be selected according to the thickness and width of the wing plate 24.
Steel tube regeneration monolith assembling structure provided in an embodiment of the present invention, regenerated by being filled in the main steel pipe Block and normal concrete, so as to be recycled to waste and old concrete in the form of regenerating block, resource is saved;Profit Main steel pipe is assembled together with girder steel with enforced loop plane, is capable of the bonding strength of reinforced steel beam and girder and main steel pipe, while using dress With formula structure, the process that can realize assembled in situ girder steel, casting concrete, speed of application is fast, power transmission is clear and definite and construction quality It is controllable;In addition, the junction between enforced loop plane and main steel pipe forms connecting node region, and cause at connecting node region Node area 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, are advantageous to improve 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 to the present invention principle and embodiment be set forth, the explanation of above example is only intended to help Assistant solves the steel tube regeneration monolith assembling structure and its core concept of the present invention;Meanwhile for the general skill of this area Art personnel, according to the thought of the present invention, there will be changes in specific embodiments and applications, in summary, this Description should not be construed as limiting the invention.

Claims (13)

  1. A kind of 1. 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;And
    An at least girder steel, an at least girder steel are fixed in the periphery of the main steel pipe, and along the periphery of the main steel pipe Stretch out;
    The junction of an at least girder steel and the main steel pipe forms connecting node region, and the connecting node region is set There is node area steel pipe, node area steel pipe connects setting with the main steel pipe, and the wall thickness of node area steel pipe is more than described The wall thickness of main steel pipe;
    When the main steel pipe and the connecting node region are located at the important stress area of whole building structural system, the master The confinement coefficient of steel pipe is 0.9~1.3, when the main steel pipe and the connecting node region are located at the whole building structure During the insignificant stress area of system, the confinement coefficient of the main steel pipe is 0.6~1.3.
  2. 2. steel tube regeneration monolith assembling structure according to claim 1, it is characterised in that node area steel pipe Extended height in connecting node region one end is first threshold, and node area steel pipe is another in the connecting node region The extended height of one 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. 3. steel tube regeneration monolith assembling structure according to claim 1 or 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 node area steel pipe Big more than the 2mm of wall thickness.
  4. 4. 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, and described at least one Root girder steel is connected on the enforced loop plane, and the junction of the enforced loop plane and the main steel pipe forms the connecting node area Domain.
  5. 5. steel tube regeneration monolith assembling structure according to claim 4, 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 an at least girder steel is connected with described at least one piece Riser connects.
  6. 6. steel tube regeneration monolith assembling structure according to claim 5, it is characterised in that first ring flat-plate and The periphery of second ring flat-plate is connected between two extension boards integrally formed with extension board, the both ends of the connection riser, And the side of the connection riser is connected to the outside wall surface of the main steel pipe.
  7. 7. steel tube regeneration monolith assembling structure according to claim 6, it is characterised in that an at least steel Beam includes web and is connected to the wing plate at the web both ends, and the opposite side of the web and the connection riser connects, two institutes Wing plate is stated to be connected with two extension boards respectively.
  8. 8. steel tube regeneration monolith assembling structure according to claim 7, it is characterised in that first ring flat-plate and The thickness of second ring flat-plate is not less than the thickness of the wing plate, and the width of first ring flat-plate and the second ring flat-plate is not less than the wing plate 0.7 times of width.
  9. 9. the steel tube regeneration monolith assembling structure according to any one of claim 4 to 8, it is characterised in that described Enforced loop plane passes through bolt in the periphery of the main steel pipe, an at least girder steel by full penetration with the enforced loop plane Weldering connection.
  10. 10. steel tube regeneration monolith assembling structure according to claim 1, it is characterised in that the regeneration block The main steel duct is filled in, the normal concrete is filled in the gap between the regeneration block and the main steel pipe Place.
  11. 11. according to claim 10 steel tube regeneration monolith assembling structure, it is characterised in that the regeneration block is old Building, old structures, old road, old bridge or old dykes and dams remove the waste and old coagulation after all or part of reinforcing bar Soil.
  12. 12. steel tube regeneration monolith assembling structure according to claim 1, it is characterised in that the regeneration block The mass substitution rate of whole concrete to being filled in the main steel pipe is 20%~35%.
  13. 13. steel tube regeneration monolith assembling structure according to claim 1, it is characterised in that the main steel pipe Shape of cross section is any one in circular or polygon.
CN201611216711.8A 2016-12-26 2016-12-26 Steel tube regeneration monolith assembling structure Active CN106759857B (en)

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CN108643352B (en) * 2018-04-18 2020-10-20 龙元明筑科技有限责任公司 Outer ring plate type connecting node

Citations (4)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
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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