CN104612324B - An energy-dissipating stiffening steel polymer sandwich pipe and a manufacturing process thereof - Google Patents
An energy-dissipating stiffening steel polymer sandwich pipe and a manufacturing process thereof Download PDFInfo
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- CN104612324B CN104612324B CN201410808237.2A CN201410808237A CN104612324B CN 104612324 B CN104612324 B CN 104612324B CN 201410808237 A CN201410808237 A CN 201410808237A CN 104612324 B CN104612324 B CN 104612324B
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Abstract
An energy-dissipating stiffening steel polymer sandwich pipe is provided. The sandwich pipe comprises a metal outer pipe, a metal inner pipe, n stiffening plates, a cover plate and a core material, wherein the n is an integer and not less than 3, the metal inner pipe is concentrically disposed in the metal outer pipe, bottoms of the stiffening plates are connected to the outer wall of the metal inner pipe, tops of the stiffening plates are connected to the inner wall of the metal outer pipe, and when seen from the cross section, the n stiffening plates are disposed at a circular ring between the metal inner pipe and the metal outer pipe at equivalent arc intervals. The cover plate is disposed at one end of the metal inner pipe and the corresponding one end of the metal outer pipe. The metal inner pipe, the metal outer pipe, the n stiffening plates and the cover plate form an open-ended cavity having an open end and a closed end. The open-ended cavity is filled with the core material. The core material adopts a microbead-polyurethane composite material. A manufacturing process of the energy-dissipating stiffening steel polymer sandwich pipe is also provided. The sandwich pipe is high in structural ductility, and good in fatigue resistance, impact resistance, stability, durability and bearing capacity.
Description
Technical field
The invention belongs to field of civil engineering, is related to a kind of interlayer steel tube and its processing technology.It is applied to architectural engineering, bridge
In beam engineering and ocean engineering field.
Background technology
At present, in civil engineering large span, transfinite, be all by steel pipe or steel-coagulation in space structure and ocean platform
Native multiple tube is elementary cell component composition.Steel tube component is susceptible to monolithic stability destruction, once steel tube component occurs to break
It is bad, total can be caused to fail, so as to affect stability and the safety of structure, in order to prevent the appearance of above-mentioned situation, pass
The way of system is the stable bearing capacity for adding big steel pipe thickness to improve node, and the method has following several defects：1st, steel pipe
The raising of component load-bearing ability increases the rigidity of structure, and the ductility of structure is reduced；2nd, the connected mode of thick walled steel tube welding,
The impact of residual stress is brought, and with the increasing of steel pipe thickness or intensity, residual stress peak value will increase, fatigue strength
Can be remarkably decreased；3rd, economic performance is poor.Conventional way is the grouting material such as fill concrete or mortar in steel pipe, fully profit
Rigidity, ultimate bearing capacity, stability and the fatigability of component are improved with two kinds of interactions in the course of the work
Energy.However, the raw material of synthesis concrete is non-renewable resource, China's the Sustainable Development Strategy has seriously been run counter to；Steel-
The dead load of concrete composite material is big, and the peel strength between steel and concrete is low, mutual between steel and concrete
Effect of contraction is limited, and core concrete elastic modelling quantity and tensile strength are low compared with steel, and deformability is little, is susceptible to destruction, no
Load action can effectively be disperseed, power performance is poor, endurance issues, maintenance and the component replacement loaded down with trivial details and difficulty of work easily occur
Deng；The stability of steel-concrete composite element will be improved much than steel beam column, but steel-concrete composite structure
Easily there is lateral thrust unstability under Complicated Loads environmental activity, still in part, and its energy-dissipating property is poor.
The content of the invention
In order to overcome, the structure ductility of existing steel-concrete composite element is relatively low, anti-fatigue performance is poor, shock resistance
Poor-performing, less stable, durability are poor, the deficiency that bearing capacity is weaker, the invention provides a kind of structure ductility it is higher,
Power consumption with good anti-fatigue performance, shock resistance, stability, durability, bearing capacity is put more energy into steel macromolecule interlayer pipe
And its processing technology.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of steel macromolecule interlayer pipe, including metal outer pipe, metal inner pipe, n block stiffeners, cover plate and core of putting more energy into that consume energy
Material, n is integer and more than or equal to 3, and the metal outer pipe is arranged concentrically in the metal inner pipe, the bottom of the stiffener with
The outer wall connection of the metal inner pipe, the top of the stiffener is connected with the inwall of the metal outer pipe, from from cross section,
The circular arcs such as the n blocks stiffener are positioned apart from the annulus between the metal inner pipe and the metal outer pipe, the gold
The cover plate is installed in one end of category inner tube and metal outer pipe, the metal inner pipe, metal outer pipe, n blocks stiffener and cover plate it
Between form the open-ended cavity of one end open one end closing, the filling core in the open-ended cavity, the core is adopted
Microballon-compound polyurethane material.
Further, the microballon-compound polyurethane material includes liquid polyol, isocyanates with a diameter of 10-180 μm
Glass microballoon or ceramic fine bead, the volume ratio between the liquid polyol, isocyanates is：1：(0.5～1.5), institute
Stating the volume ratio between glass microballoon or ceramic fine bead, liquid polyol and isocyanates between larger volume person is：1：(1
～2.5).
Further, be axially spacedly distributed power consumption hole on the stiffener.
The power consumption hole is regular shape axisymmetric with regard to the dimorphism heart, and centre of form major axis is faced in the face of face with stiffener and indulged
Parallel to axis of symmetry, it is vertical that centre of form short axle faces longitudinally asymmetric axle in the face of face with stiffener.
The center of the power consumption hole should be arranged on the face axis of symmetry of stiffener length direction.
The power consumption hole Breadth Maximum span is the 1/3～2/3 of stiffener width；The power consumption hole is most greatly enhanced
Degree is arranged on 1～2 times of power consumption hole Breadth Maximum；The edge edges and corners of the power consumption hole seamlessly transit；Adjacent power consumption hole
Minimum range between edge is not less than the 1/2 of power consumption hole greatest length；The power consumption hole edge at stiffener two ends and put more energy into
The 1/2 of the minimum range of plate edges at two ends no less than power consumption hole greatest length.
The metal outer pipe thickness is 2mm～30mm, and the metal inner pipe thickness is 2mm～16mm, and metal inner pipe
Thickness of the thickness less than or equal to metal outer pipe；Metal inner pipe external diameter is more than or equal to the 2/5 of metal outer pipe internal diameter, metal inner pipe external diameter
Less than or equal to the 4/5 of metal outer pipe internal diameter.
The metal outer pipe and metal inner pipe section are circular, square, oval or polygon.Can also be other shapes
Shape.
A kind of power consumption is put more energy into the processing technology of steel macromolecule interlayer pipe, and the processing technology comprises the steps：
A, the circular arcs such as n block stiffeners are arranged at intervals on the ring of metal inner pipe, n is integer and more than or equal to 3；
B, the metal inner pipe and metal outer pipe for being provided with n block stiffeners is carried out into blasting treatment；
C, the metal inner pipe is positioned in metal outer pipe with one heart, and by the same end of metal inner pipe and metal outer pipe and lid
Plate connects；
D, by microballon-compound polyurethane material, and inject by metal inner pipe, metal outer pipe, n blocks stiffener and cover plate it
Between form the open-ended cavity inner feelings of one end open one end closing, solidify to form as core；
E, excision cover plate, polishing can put more energy into the two ends of steel-macromolecule interlayer pipe, and prepared power consumption is put more energy into steel macromolecule interlayer
Pipe.
Preferably, the microballon-compound polyurethane material includes liquid polyol, isocyanates with a diameter of 10-180 μm
Glass microballoon or ceramic fine bead, the volume ratio between the liquid polyol, isocyanates is：1：(0.5～1.5), institute
Stating the volume ratio between glass microballoon or ceramic fine bead, liquid polyol and isocyanates between larger volume person is：1：(1
～2.5).
The present invention technology design be：A kind of steel macromolecule interlayer pipe of putting more energy into that consumes energy, " power consumption is put more energy into " is in metal
Pipe surrounding is equiangularly spaced to be welded n block longitudinal stiffeners, and some power consumption holes are provided with these ribbed stiffeners；" interlayer " is in gold
Microballon-polyurethane material is irrigated in category outer tube, the cavity formed between metal inner pipe and n block stiffeners.Irrigate in steel pipe micro-
Pearl-polyurethane, microballon-polyurethane is higher with the peel strength of steel, and microballon-polyurethane is right in radial direction, ring and length direction
Steel pipe Constrained is acted on, and steel pipe also has anti-effect of contraction to microballon-polyurethane, makes polyurethane be in three dimension stress state, so
Power consumption can be greatly improved to put more energy into ductility, stability, bearing capacity and the energy dissipation capacity etc. of steel macromolecule interlayer pipe, delayed simultaneously
The appearance of metal outer pipe and metal inner pipe local buckling is reduced, the utilization rate of material is improved；Being welded n blocks longitudinal stiffener can match somebody with somebody
Closing microballon-polyurethane material together increases the globality of metal outer pipe and metal inner pipe under outer load action, improves power consumption
Put more energy into bending resistance, shearing resistance, tension, Compressive Bearing Capacity and the stability of steel macromolecule interlayer pipe；It is provided with n block longitudinal stiffeners some
Power consumption hole, when power consumption puts more energy into steel macromolecule interlayer pipe by the reciprocating except uniform axle center area load or earthquake etc.
Dynamic load, when internal force reaches power consumption hole section, due to the situation for occurring section weakening suddenly, the more non-weakening section of stress will
Much larger, there is in face elastic-plastic deformation and repeatedly extruding microballon-polyurethane sandwich in power consumption hole edge metal material, now,
Power consumption hole edge metal participates in power consumption jointly with the microballon-polyurethane material for being subjected to extruding, further increases power consumption and adds
Strength steel macromolecule interlayer pipe energy-dissipating property.
The invention has the beneficial effects as follows：
1st, using the microballon-polyurethane material with high intensity, the material has close resistance to compression to the core in the present invention
With tension bearing capacity, good Ductility and resistance to corrosion, and it has good adhesive property, Ke Yihe with steel
Steel carry out together organic work, and the external world that can effectively dissipate is delivered to the energy of inside configuration, possesses good stability of material,
There is good durability under the complex environments such as ocean, industry.
2nd, pipe of the present invention is using sandwich of putting more energy into, due to being provided with the stiffener of power consumption hole and the presence of core, can be with
It is more effectively prevented from pipe and buckling failure occurs, effectively improves resistance to compression, bending resistance, the shear-carrying capacity of structure, anti-fatigue performance,
Energy-dissipating property, stability, safety and endurance quality.
3rd, the density of material in the present invention is low, in the case of identical ultimate bearing capacity, compared with pure steel structure and steel-concrete group
The lightweight of structure is closed, required material usage when building is reduced, the present invention puts more energy into steel macromolecule interlayer pipe for power consumption, and inner tube can
To facilitate the arrangement of various kinds of equipment and circuit.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 2 in Section A-A figure；
Fig. 3 is Fig. 2 in section B-B figure；
Fig. 4 is Fig. 2 in C-C sectional views；
Fig. 5 is the Structure explosion diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described.
Embodiment 1
Reference Fig. 1～Fig. 5, a kind of steel macromolecule interlayer pipe of putting more energy into that consumes energy, including metal outer pipe 1, metal inner pipe 2, n blocks add
Strength plate, cover plate 6 and core 3, for integer and more than or equal to 3, the metal outer pipe 1 is arranged concentrically in the metal inner pipe 2 n,
The bottom of the stiffener is connected with the outer wall of the metal inner pipe 2, in the top of the stiffener and the metal outer pipe 1
Wall connects, and from from cross section, the circular arc such as described n blocks stiffener is positioned apart from the metal inner pipe and the metal outer pipe
Between annulus on, the cover plate 6 is installed in one end of the metal inner pipe 2 and metal outer pipe 1, outside the metal inner pipe 2, metal
The open-ended cavity of one end open one end closing is formed between pipe 1, n blocks stiffener and cover plate 6, is filled out in the open-ended cavity
The core 3 is filled, the core 3 adopts microballon-compound polyurethane material.
Microballon-compound polyurethane material includes the glass microballoon of liquid polyol, isocyanates with a diameter of 10-180 μm
Or ceramic fine bead, the volume ratio between the liquid polyol, isocyanates is：1：(0.5～1.5), the glass microballoon
Or the volume ratio between ceramic fine bead, liquid polyol and isocyanates between larger volume person is：1：(1～2.5).
Such as volume ratio between described liquid polyol, isocyanates is：1：0.5, the glass microballoon or ceramics
Volume ratio between microballon, liquid polyol is：1：1；Volume ratio between the liquid polyol, isocyanates is：1：
0.8, the volume ratio between the glass microballoon or ceramic fine bead, liquid polyol is：1：2；The liquid polyol, isocyanide
Volume ratio between acid esters is：1：1.5, the volume ratio between the glass microballoon or ceramic fine bead, isocyanates is：1：
2.5；Other mix proportion schemes within the scope of can also being.
Further, be axially spacedly distributed power consumption hole on the stiffener.
The power consumption hole is regular shape axisymmetric with regard to the dimorphism heart, and centre of form major axis is faced in the face of face with stiffener and indulged
Parallel to axis of symmetry, it is vertical that centre of form short axle faces longitudinally asymmetric axle in the face of face with stiffener.
The center of the power consumption hole should be arranged on the face axis of symmetry of stiffener length direction.
The power consumption hole Breadth Maximum span is the 1/3～2/3 of stiffener width；The power consumption hole is most greatly enhanced
Degree is arranged on 1～2 times of power consumption hole Breadth Maximum；The edge edges and corners of the power consumption hole seamlessly transit；Adjacent power consumption hole
Minimum range between edge is not less than the 1/2 of power consumption hole greatest length；The power consumption hole edge at stiffener two ends and put more energy into
The 1/2 of the minimum range of plate edges at two ends no less than power consumption hole greatest length.
The thickness of the metal outer pipe 1 is 2mm～30mm, and the thickness of the metal inner pipe 3 is 2mm～16mm, and metal inner pipe
Thickness less than or equal to metal outer pipe thickness；Metal inner pipe external diameter is more than or equal to the 2/5 of metal outer pipe internal diameter, outside metal inner pipe
Footpath is less than or equal to the 4/5 of metal outer pipe internal diameter.
The metal outer pipe 1 and the section of metal inner pipe 3 are circular, square, oval or polygon.Can also be other shapes
Shape.
The present embodiment is illustrated by taking n=4 as an example, cover plate 6 when can prevent from pouring into a mould uncured core 3 overflow outside metal
Outside pipe 1, and ensure that metal outer pipe 1 and metal inner pipe with the section held in one plane.The hole that consumes energy in setting is (concrete
Upper power consumption hole 51, lower power consumption hole 52 in for Fig. 1-Fig. 5, left power consumption hole 53, right power consumption hole 54) be conducive to core 3
Perfusion curing schedule.Metal inner pipe 2 can also be replaced using core material pipe of the same race, then without the need for carrying out at surface to its tube wall
Reason.To constitute core 3 polyhydric alcohol and isocyanates should test, after reaching performance requirement, by polyhydric alcohol, isocyanates,
Bead material is respectively put in different containers carries out evacuation process, to suction out air therein, while keeping the temperature at
20 degree.Liquid polyol, isocyanates, the ceramic fine bead of a diameter of 10～180um or glass microballoon mixing preparation as desired
(core 3 is formed after solidification, polyhydric alcohol, the volume ratio of isocyanates preferentially select 1 into microballon-polyurethane material：1, the body of microballon
Product is general to be selected large volume of 1～2.5 times between polyhydric alcohol and isocyanates), due to the bead diameter for adding it is small, will not
Affecting the cohesive force between core 3 and metal, but can effectively reduce the density of core 3, the density for making core 3 is 0.45～
0.65kg/cm3, reduces the weight of interlayer pipe and effectively reduces cost.
Example：Metal outer pipe 1 and metal inner pipe 2 adopt Q345 steel, and metal outer pipe external diameter is 300mm, wall thickness 5mm, is grown
Spend for 2000mm；The external diameter of metal inner pipe 2 adopts 150mm, wall thickness 3mm, length 2000mm.The thickness of core 3 be 145mm, core 3
It is bound up according to 1: 1: 1 ratio uniform using polyhydric alcohol, isocyanates and ceramic fine bead, ceramic fine bead particle diameter is 20um.On
Stiffener 41, lower stiffener 42, left stiffener 43, the width of right stiffener 44 are 144mm, and length is 2000mm, adopt
Q345 steel.Upper power consumption hole 51, lower power consumption hole 52, left power consumption hole 53, right power consumption hole 54 adopt rectangular form, each
The length of power consumption hole is 100mm, and width is 50mm；Adjacent power consumption the distance between hole is 70mm, upper stiffener 41, it is lower plus
Strength plate 42, left stiffener 43, the power consumption hole at the two ends of right stiffener 44 most edge are apart from upper stiffener 41, lower stiffener 42, a left side
Stiffener 43, the edges at two ends of right stiffener 44 are 65mm.Cover plate 6 adopts Q345 steel, thickness 12mm, a diameter of 400mm.
Metal outer pipe 1 have respectively upper power consumption hole 51, lower power consumption hole 52, left power consumption hole 53, the right side with being provided with
The upper stiffener 41 of power consumption hole 54, lower stiffener 42, left stiffener 43, the metal inner pipe 2 of right stiffener 44 need and core 3
The surface of joint is processed (adopt blasting treatment), to ensure that bonding is required.Metal outer pipe 1 and metal inner pipe 2 is concentric
Place, and effectively connection is carried out at the same end and cover plate 6 of metal outer pipe 1 and metal inner pipe 2.Again by uncured synthesis core 3
The cavity of one end open that constituted by metal outer pipe 1 and metal outer pipe 3 and cover plate 4 of material in.Finally, core 3 is treated
After solidification, cover plate 6 is cut off, and power consumption of polishing is put more energy into the end section of steel macromolecule interlayer pipe two, you can it is mobile.
Embodiment 2
With reference to Fig. 1～Fig. 5, a kind of power consumption is put more energy into the processing technology of steel macromolecule interlayer pipe, the processing technology include as
Lower step：
A, the circular arcs such as n block stiffeners are arranged at intervals on the ring of metal inner pipe, n is integer and more than or equal to 3；
B, the metal inner pipe and metal outer pipe for being provided with n block stiffeners is carried out into blasting treatment；
C, the metal inner pipe is positioned in metal outer pipe with one heart, and by the same end of metal inner pipe and metal outer pipe and lid
Plate connects；
D, by microballon-compound polyurethane material, and inject by metal inner pipe, metal outer pipe, n blocks stiffener and cover plate it
Between form the open-ended cavity inner feelings of one end open one end closing, solidify to form as core；
E, excision cover plate, polishing can put more energy into the two ends of steel-macromolecule interlayer pipe, and prepared power consumption is put more energy into steel macromolecule interlayer
Pipe.
Preferably, the microballon-compound polyurethane material includes liquid polyol, isocyanates with a diameter of 10-180 μm
Glass microballoon or ceramic fine bead, the volume ratio between the liquid polyol, isocyanates is：1：(0.5～1.5), institute
Stating the volume ratio between glass microballoon or ceramic fine bead, liquid polyol and isocyanates between larger volume person is：1：(1
～2.5).
Such as volume ratio between described liquid polyol, isocyanates is：1：0.5, the glass microballoon or ceramics
Volume ratio between microballon, liquid polyol is：1：1；Volume ratio between the liquid polyol, isocyanates is：1：
0.8, the volume ratio between the glass microballoon or ceramic fine bead, liquid polyol is：1：2；The liquid polyol, isocyanide
Volume ratio between acid esters is：1：1.5, the volume ratio between the glass microballoon or ceramic fine bead, isocyanates is：1：
2.5；Other mix proportion schemes within the scope of can also being.
The power consumption of this example put more energy into steel macromolecule interlayer pipe processing technology according to the following steps：
The first step：Now by metal outer pipe 1, metal inner pipe 2, n block stiffeners (n more than etc. 3, it is upper in specially Fig. 1-Fig. 5
Stiffener 41, lower stiffener 42, left stiffener 43, right stiffener 44) and the outer surface of cover plate 6 eliminated rust, oil removing process, gold
Two end sections of category outer tube 1 and metal inner pipe 2 are polished, and make section smooth；
Second step：In n block stiffeners, (n is more than grade 3, the upper stiffener 41, lower stiffener 42, a left side in specially Fig. 1-Fig. 5
Open up some power consumption hole (upper power consumption holes in specially Fig. 1-Fig. 5 on stiffener 43, right stiffener 44, similarly hereinafter) respectively
51st, lower power consumption hole 52, left power consumption hole 53, right power consumption hole 54, similarly hereinafter), power consumption hole is preferentially set to dimorphism heart axle pair
The regular shape of title, power consumption hole Breadth Maximum takes the 1/3～2/3 of n block stiffener width, and the extreme length of the hole that consumes energy takes consumption
1～2 times of the most wide degree of energy hole, n blocks are put more energy into, and board size, material are consistent, and the size uniformity of the hole that consumes energy is caused, and consume energy hole
Center should be arranged on the face axis of symmetry of stiffener length direction, centre of form major axis and stiffener face longitudinally asymmetric axle in the face of face
Parallel, it is vertical that centre of form short axle faces longitudinally asymmetric axle in the face of face with stiffener；
3rd step：Corner angle in power consumption hole are polished, rounding technique, to reduce the impact of stress concentration；
4th step：By n block stiffeners, (n is more than grade 3, the upper stiffener 41, lower stiffener 42, a left side in specially Fig. 1-Fig. 5
Stiffener 43, right stiffener 44) it is distributed on the ring of metal inner pipe 2 by (360 °/n) welding of angle at equal intervals successively, and butt welding
Seam carries out residual stress and eliminates technique；
5th step：By the inwall of metal outer pipe 1, the outer wall of metal inner pipe 2 and n block stiffeners (n more than etc. 3, specially Fig. 1-
Upper stiffener 41, lower stiffener 42 in Fig. 5, left stiffener 43, right stiffener 44) surface carries out blasting treatment, should adopt steel
Sand (Rockwell hardness ＞ 62) or corundum are processed as abrasive material, under 0.6-0.7MPa pressure makes its surface roughness reach Sa2.5
Level；
6th step：To weld n block stiffeners (n more than waiting 3, upper stiffener 41 in specially Fig. 1-Fig. 5, under put more energy into
Plate 42, left stiffener 43, right stiffener 44) metal inner pipe 2 place with one heart with metal outer pipe 1；
7th step：By metal outer pipe 1 and welded n block stiffeners (n more than etc. 3, in specially Fig. 1-Fig. 5 on put more energy into
Plate 41, lower stiffener 42, left stiffener 43, right stiffener 44) the same end of metal inner pipe 2 be effectively fixed on cover plate 6；
8th step：Then by liquid polyol, isocyanates, the ceramic fine bead of a diameter of 10～180um or glass microballoon
As desired mixing preparation into microballon-polyurethane material (after solidification formed core 3, polyhydric alcohol, isocyanates volume ratio it is preferential
From 1：1, the volume of microballon is typically selected large volume of 1～2.5 times between polyhydric alcohol and isocyanates)；
9th step：By deployed microballon-polyurethane material is by metal outer pipe 1 and has welded in the metal of n block stiffeners
Pipe 2, cover plate 6 are defined in open-ended cavity；Treat that microballon-polyurethane elastomer solidify to form core 3；
Tenth step：Work in the secondary supplementary irrigation for carrying out microballon-polyurethane material, to guarantee that it is full that microballon polyurethane is filled up completely with
Above-mentioned open-ended cavity, finally, cuts off cover plate 6, and polishing power consumption is put more energy into the end section of steel macromolecule interlayer pipe two.
Claims (2)
1. a kind of power consumption is put more energy into steel macromolecule interlayer pipe, it is characterised in that：Including metal outer pipe, metal inner pipe, n block stiffeners,
Cover plate and core, for integer and more than or equal to 3, the metal outer pipe is arranged concentrically outside the metal inner pipe n, the stiffener
Inside be connected with the outer wall of the metal inner pipe, the outside of the stiffener is connected with the inwall of the metal outer pipe, described
Axially be spacedly distributed power consumption hole on stiffener, and from from cross section, the circular arc such as described n blocks stiffener is positioned apart from
On annulus between the metal inner pipe and the metal outer pipe, one end of the metal inner pipe and metal outer pipe installs described
Cover plate, one one end open one end closing of formation opens between the metal inner pipe, metal outer pipe, n blocks stiffener and cover plate
The filling core in oral cavity body, the open-ended cavity, the core adopts microballon-compound polyurethane material；
Microballon-the compound polyurethane material includes the glass microballoon of liquid polyol, isocyanates with a diameter of 10-180 μm
Or ceramic fine bead, the volume ratio between the liquid polyol, isocyanates is：1：（0.5~1.5）, the glass microballoon or
Person's ceramic fine bead, the volume ratio between liquid polyol and isocyanates between larger volume person are：1：（1~2.5）；The consumption
Can hole be regular shape axisymmetric with regard to the dimorphism heart, it is parallel that centre of form major axis and stiffener face longitudinally asymmetric axle in the face of face,
It is vertical that centre of form short axle faces longitudinally asymmetric axle in the face of face with stiffener；The center of the power consumption hole should be arranged on stiffener length
On the face axis of symmetry in direction；The power consumption hole Breadth Maximum span is the 1/3 ~ 2/3 of stiffener width；The power consumption hole
Hole greatest length is arranged on 1 ~ 2 times of power consumption hole Breadth Maximum；The edge edges and corners of the power consumption hole seamlessly transit；Adjacent consumption
Minimum range between energy hole edge is not less than the 1/2 of power consumption hole greatest length；The power consumption hole edge at stiffener two ends
With the 1/2 of the minimum range no less than power consumption hole greatest length of stiffener edges at two ends；The metal outer pipe thickness is 2mm
~ 30mm, the metal inner pipe thickness is 2mm ~ 16mm, and the thickness of metal inner pipe is less than or equal to the thickness of metal outer pipe；Metal
More than or equal to the 2/5 of metal outer pipe internal diameter, metal inner pipe external diameter is less than or equal to the 4/5 of metal outer pipe internal diameter to inner tube external diameter.
2. consume energy as claimed in claim 1 steel macromolecule interlayer pipe of putting more energy into, it is characterised in that：In the metal outer pipe and metal
Tube section is circular, oval or polygon.
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| CN105696718B (en) * | 2016-01-25 | 2018-01-09 | 浙江交通职业技术学院 | A kind of anti-buckling energy-consumption pipe and its manufacture craft |
| CN105735509B (en) * | 2016-03-18 | 2018-06-26 | 武汉理工大学 | Antitorque cylinder is damped for the viscous fluid in building structure |
| CN110744844A (en) * | 2019-10-30 | 2020-02-04 | 惠州优比贝柠科技股份有限公司 | Manufacturing method of super-strong hardness heat-preservation pipe formula process |
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| JPH0351462A (en) * | 1989-07-18 | 1991-03-05 | Ohbayashi Corp | Double steel pipe concrete structure |
| CN101942864B (en) * | 2010-09-10 | 2012-01-04 | 江苏科技大学 | Composited tube node and production method |
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| AU2011100831A4 (en) * | 2011-07-07 | 2011-08-18 | Twenty Years Bst Pty Ltd | Support rail |
| CN103850392B (en) * | 2012-12-04 | 2016-01-20 | 北京工业大学 | Vertical floor concrete column with holes and the practice is established between outer square steel pipe inner circle steel pipe |
| CN203066236U (en) * | 2012-12-27 | 2013-07-17 | 长安大学 | SCS concrete-filled steel tubular structure with through and long inside where PBL stiffening ribs are distributed |
| CN204386027U (en) * | 2014-12-22 | 2015-06-10 | 浙江交通职业技术学院 | Consume energy steel macromolecule interlayer pipe of putting more energy into |
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2014
- 2014-12-22 CN CN201410808237.2A patent/CN104612324B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104612324A (en) | 2015-05-13 |
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