CN104612324A - 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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- CN104612324A CN104612324A CN201410808237.2A CN201410808237A CN104612324A CN 104612324 A CN104612324 A CN 104612324A CN 201410808237 A CN201410808237 A CN 201410808237A CN 104612324 A CN104612324 A CN 104612324A
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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, relate to a kind of interlayer steel tube and manufacture craft thereof.Be applied in construction work, bridge engineering and ocean engineering field.
Background technology
At present, civil engineering large span, transfinite, in space structures and ocean platform, be all that elementary cell component forms by steel pipe or steel-concrete clad pipe.Monolithic stability easily occurs steel tube component destroys, once steel tube component destroys, total can be caused to lose efficacy, thus affect stability and the safety of structure, in order to prevent the appearance of above-mentioned situation, traditional way adds big steel pipe thickness to improve the stable bearing capacity of node, and the method exists following several defect: 1, the raising of steel tube component supporting capacity makes the rigidity of structure increase, and the ductility of structure reduces; 2, the connected mode of thick walled steel tube welding, brings the impact of residual stress, and along with the increasing of steel pipe thickness or intensity, residual stress peak value will increase, and fatigue strength also can significantly decline; 3, economic performance is poor.Conventional way is the grouting material such as fill concrete or mortar in steel pipe, takes full advantage of two kinds of interactions in the course of the work to improve the rigidity of component, ultimate bearing capacity, stability and fatigue behaviour.But, synthesize concrete raw material and be non-renewable resource, seriously run counter to China's the Sustainable Development Strategy; The dead load of steel-concrete composite material is large, peel strength between steel and concrete is low, mutual effect of contraction between Steel concrete is limited, core concrete modulus of elasticity and tensile strength comparatively steel are low, and deformability is little, easily destroy, effectively can not disperse load action, power performance is poor, easily occurs endurance issues, maintenance and the loaded down with trivial details and difficulty etc. of component replacement work; The stability of steel-concrete composite element will improve much than steel beam column, but steel-concrete composite element is under Complicated Loads environmental activity, still easily occurs lateral bending unstability, and its energy-dissipating property is poor.
Summary of the invention
In order to the deficiency that the structure ductility overcoming existing steel-concrete composite element is lower, anti-fatigue performance is poor, shock resistance is poor, less stable, durability are poor, bearing capacity is more weak, the invention provides a kind of structure ductility higher, have good anti-fatigue performance, shock resistance, stability, durability, bearing capacity power consumption to put more energy into steel macromolecule interlayer pipe and manufacture craft thereof.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of steel macromolecule interlayer pipe of putting more energy into that consumes energy, comprise metal outer pipe, metal inner pipe, n block stiffener, cover plate and core, n is integer and is more than or equal to 3, described metal outer pipe is arranged in described metal inner pipe with one heart, the bottom of described stiffener is connected with the outer wall of described metal inner pipe, the top of described stiffener is connected with the inwall of described metal outer pipe, from cross section, the circular arc compartment of terrains such as described n block stiffener are arranged on the annulus between described metal inner pipe and described metal outer pipe, described cover plate is installed in one end of described metal inner pipe and metal outer pipe, described metal inner pipe, metal outer pipe, the open-ended cavity closed an one end open one end is formed between n block stiffener and cover plate, described core is filled in described open-ended cavity, described core adopts microballon-compound polyurethane material.
Further, described microballon-compound polyurethane material comprises glass microballoon or the ceramic fine bead that liquid polyol, isocyanates and diameter are 10-180 μm, volume ratio between described liquid polyol, isocyanates is: 1:(0.5 ~ 1.5), described glass microballoon or ceramic fine bead, volume ratio between liquid polyol and isocyanates between larger volume person are: 1:(1 ~ 2.5).
Further, described stiffener is axially spacedly distributed power consumption hole.
Described power consumption hole is about the axisymmetric regular shape of the dimorphism heart, and it is parallel that longitudinal axis of symmetry in face, face faced by centre of form major axis and stiffener, and it is vertical that longitudinal axis of symmetry in face, face faced by centre of form minor axis and stiffener.
The center of described power consumption hole should be arranged on the face axis of symmetry of stiffener length direction.
Described power consumption hole Breadth Maximum span is 1/3 ~ 2/3 of stiffener width; Described power consumption hole maximum length is arranged on power consumption hole Breadth Maximum 1 ~ 2 times; The edges and corners, edge of described power consumption hole seamlessly transit; Minimum range between adjacent power consumption hole edge is not less than 1/2 of power consumption hole maximum length; The power consumption hole edge at stiffener two ends and the minimum range of stiffener edges at two ends should not be less than 1/2 of power consumption hole maximum length.
Described metal outer pipe thickness is 2mm ~ 30mm, and described 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 inner pipe external diameter is more than or equal to 2/5 of metal outer pipe internal diameter, and metal inner pipe external diameter is less than or equal to 4/5 of metal outer pipe internal diameter.
Described metal outer pipe and metal inner pipe cross section are circular, square, oval or polygon.Also can be other shapes.
Power consumption is put more energy into the manufacture craft of steel macromolecule interlayer pipe, and described manufacture craft comprises the steps:
A, be arranged at intervals on the hoop of metal inner pipe by circular arcs such as n block stiffeners, n is integer and is more than or equal to 3;
B, the metal inner pipe of the described n of being provided with block stiffener and metal outer pipe are carried out blasting treatment;
C, described metal inner pipe to be positioned in metal outer pipe with one heart, and metal inner pipe is connected with cover plate with the same end of metal outer pipe;
D, by microballon-compound polyurethane material, and to inject by forming the closed open-ended cavity inner feelings in an one end open one end between metal inner pipe, metal outer pipe, n block stiffener and cover plate, solidifying to form as core;
E, excision cover plate, polishing can be put more energy into the two ends of steel-macromolecule interlayer pipe, and obtained power consumption is put more energy into steel macromolecule interlayer pipe.
Preferably, described microballon-compound polyurethane material comprises glass microballoon or the ceramic fine bead that liquid polyol, isocyanates and diameter are 10-180 μm, volume ratio between described liquid polyol, isocyanates is: 1:(0.5 ~ 1.5), described glass microballoon or ceramic fine bead, volume ratio between liquid polyol and isocyanates between larger volume person are: 1:(1 ~ 2.5).
Technical conceive of the present invention is: a kind of steel macromolecule interlayer pipe of putting more energy into that consumes energy, and " power consumption is put more energy into " is angularly to be welded n block longitudinal stiffener in interval in metal inner pipe surrounding, and these stiffening ribs all have some power consumption holes; " interlayer " pours into microballon-polyurethane material in metal outer pipe, the cavity that formed between metal inner pipe and n block stiffener.Microballon-polyurethane is poured in steel pipe, the peel strength of microballon-polyurethane and steel is higher, microballon-polyurethane at radial, hoop and length direction all to the effect of steel pipe Constrained, steel pipe also has anti-effect of contraction to microballon-polyurethane, polyurethane is made to be in three dimension stress state, greatly can improve power consumption like this to put more energy into the ductility of steel macromolecule interlayer pipe, stability, supporting capacity and energy dissipation capacity etc., delay and reduce the appearance of metal outer pipe and metal inner pipe cripling, improving the utilization rate of material, be welded n block longitudinal stiffener microballon-polyurethane material can be coordinated together to increase metal outer pipe and the effect of metal inner pipe outer load under globality, improve power consumption and to put more energy into the bending resistance of steel macromolecule interlayer pipe, shearing resistance, tension, Compressive Bearing Capacity and stability, n block longitudinal stiffener has some power consumption holes, when power consumption steel macromolecule interlayer pipe of putting more energy into is being subject to except dynamic loadings such as the reciprocating of even axle center area load or earthquakes, when internal force reaches power consumption hole cross section, owing to there is suddenly the situation that cross section weakens, stress more non-weakening cross section is much bigger, there is elastic-plastic deformation in face and repeatedly extrude microballon-polyurethane sandwich in power consumption hole edge metal material, now, power consumption hole edge metal and the microballon-polyurethane material being subjected to extrude participate in power consumption jointly, further increase power consumption to put more energy into steel macromolecule interlayer pipe energy-dissipating property.
The invention has the beneficial effects as follows:
1, the core in the present invention adopts the microballon-polyurethane material with high strength, this material has close resistance to compression and tension supporting capacity, good Ductility and resistance to corrosion, and itself and steel have good adhesive property, organic work can be carried out together with steel, the external world that can effectively dissipate is delivered to the energy of inside configuration, possess good stability of material, under the complex environment such as ocean, industry, there is good durability.
2, pipe of the present invention adopts sandwich of putting more energy into, owing to having the power consumption stiffener of hole and the existence of core, more effectively can prevent pipe generation buckling failure, effectively improve the resistance to compression of structure, bending resistance, shear-carrying capacity, anti-fatigue performance, energy-dissipating property, stability, safety and endurance quality.
3, the density of material in the present invention is low, in identical ultimate bearing capacity situation, lightweight compared with pure steel structure and steel-concrete combined structure, reduces material usage required when building, the present invention is that power consumption is put more energy into steel macromolecule interlayer pipe, and interior pipe can facilitate the layout of various kinds of equipment and circuit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that Fig. 2 is at A-A sectional view;
Fig. 3 is that Fig. 2 is at B-B sectional view;
Fig. 4 is that Fig. 2 is at C-C sectional view;
Fig. 5 is structural blast figure of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1
With reference to Fig. 1 ~ Fig. 5, a kind of steel macromolecule interlayer pipe of putting more energy into that consumes energy, comprise metal outer pipe 1, metal inner pipe 2, n block stiffener, cover plate 6 and core 3, n is integer and is more than or equal to 3, described metal outer pipe 1 is arranged in described metal inner pipe 2 with one heart, the bottom of described stiffener is connected with the outer wall of described metal inner pipe 2, the top of described stiffener is connected with the inwall of described metal outer pipe 1, from cross section, the circular arc compartment of terrains such as described n block stiffener are arranged on the annulus between described metal inner pipe and described metal outer pipe, described cover plate 6 is installed in one end of described metal inner pipe 2 and metal outer pipe 1, described metal inner pipe 2, metal outer pipe 1, the open-ended cavity closed an one end open one end is formed between n block stiffener and cover plate 6, described core 3 is filled in described open-ended cavity, described core 3 adopts microballon-compound polyurethane material.
Microballon-compound polyurethane material comprises glass microballoon or the ceramic fine bead that liquid polyol, isocyanates and diameter are 10-180 μm, volume ratio between described liquid polyol, isocyanates is: 1:(0.5 ~ 1.5), described glass microballoon or ceramic fine bead, volume ratio between liquid polyol and isocyanates between larger volume person are: 1:(1 ~ 2.5).
Volume ratio such as between described liquid polyol, isocyanates is: 1:0.5, and the volume ratio between described glass microballoon or ceramic fine bead, liquid polyol is: 1:1; Volume ratio between described liquid polyol, isocyanates is: 1:0.8, and the volume ratio between described glass microballoon or ceramic fine bead, liquid polyol is: 1:2; Volume ratio between described liquid polyol, isocyanates is: 1:1.5, and the volume ratio between described glass microballoon or ceramic fine bead, isocyanates is: 1:2.5; Also can be other mix proportion schemes within scope.
Further, described stiffener is axially spacedly distributed power consumption hole.
Described power consumption hole is about the axisymmetric regular shape of the dimorphism heart, and it is parallel that longitudinal axis of symmetry in face, face faced by centre of form major axis and stiffener, and it is vertical that longitudinal axis of symmetry in face, face faced by centre of form minor axis and stiffener.
The center of described power consumption hole should be arranged on the face axis of symmetry of stiffener length direction.
Described power consumption hole Breadth Maximum span is 1/3 ~ 2/3 of stiffener width; Described power consumption hole maximum length is arranged on power consumption hole Breadth Maximum 1 ~ 2 times; The edges and corners, edge of described power consumption hole seamlessly transit; Minimum range between adjacent power consumption hole edge is not less than 1/2 of power consumption hole maximum length; The power consumption hole edge at stiffener two ends and the minimum range of stiffener edges at two ends should not be less than 1/2 of power consumption hole maximum length.
Described metal outer pipe 1 thickness is 2mm ~ 30mm, and described metal inner pipe 3 thickness is 2mm ~ 16mm, and the thickness of metal inner pipe is less than or equal to the thickness of metal outer pipe; Metal inner pipe external diameter is more than or equal to 2/5 of metal outer pipe internal diameter, and metal inner pipe external diameter is less than or equal to 4/5 of metal outer pipe internal diameter.
Described metal outer pipe 1 and metal inner pipe 3 cross section are circular, square, oval or polygon.Also can be other shapes.
The present embodiment is described for n=4, cover plate 6 when can prevent cast uncured core 3 overflow outside metal outer pipe 1, and can ensure metal outer pipe 1 and metal inner pipe with end cross section in one plane.The perfusion curing schedule that power consumption hole (being specially the upper power consumption hole 51 in Fig. 1-Fig. 5, lower power consumption hole 52, left power consumption hole 53, right power consumption hole 54) is conducive to core 3 is set.Metal inner pipe 2 also can adopt core material pipe belt of the same race to replace, then without the need to carrying out surfacing to its tube wall.Should test to the polyalcohol and isocyanates that form core 3, after reaching performance requirement, polyalcohol, isocyanates, microballon material be put into different containers respectively and carried out vacuumizing process, with sucking-off air wherein, temperature is remained on 20 degree simultaneously.Liquid polyol, isocyanates, diameter is that the ceramic fine bead of 10 ~ 180um or glass microballoon become microballon-polyurethane material (to form core 3 after solidification according to demand mixing preparation, polyalcohol, the volume ratio of isocyanates preferentially selects 1:1, the volume of microballon generally selects 1 ~ 2.5 times of larger volume between polyalcohol and isocyanates), because the bead diameter added is small, the adhesion stress between core 3 and metal can not be affected, but effectively can reduce the density of core 3, the density of core 3 is made to be 0.45 ~ 0.65kg/cm3, reduce the weight of interlayer pipe and effectively reduce cost.
Example: metal outer pipe 1 and metal inner pipe 2 all adopt Q345 steel, metal outer pipe external diameter is 300mm, wall thickness 5mm, and length is 2000mm; Metal inner pipe 2 external diameter adopts 150mm, wall thickness 3mm, length 2000mm.The thickness of core 3 is 145mm, and core 3 adopts polyalcohol, isocyanates and ceramic fine bead to form according to 1: 1: 1 ratio uniform chemical combination, and ceramic fine bead particle diameter is 20um.The width of upper stiffener 41, lower stiffener 42, left stiffener 43, right stiffener 44 is 144mm, and length is 2000mm, adopts 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, and the length of each power consumption hole is 100mm, and width is 50mm; Distance between adjacent power consumption hole is 70mm, and the power consumption hole at upper stiffener 41, lower stiffener 42, left stiffener 43, most edge, right stiffener 44 two ends is 65mm apart from upper stiffener 41, lower stiffener 42, left stiffener 43, right stiffener 44 edges at two ends.Cover plate 6 adopts Q345 steel, thickness 12mm, and diameter is 400mm.
Metal outer pipe 1 and being provided with is had respectively upper power consumption hole 51, lower power consumption hole 52, left power consumption hole 53, the upper stiffener 41 of right power consumption hole 54, lower stiffener 42, left stiffener 43, right stiffener 44 metal inner pipe 2 need to carry out processing (employing blasting treatment) with the surface of core 3 joint, to ensure the requirement that bonds.Metal outer pipe 1 and metal inner pipe 2 are placed with one heart, and is effectively connected with cover plate 6 with the same end of metal inner pipe 2 in metal outer pipe 1.In the cavity of the one end open again material of uncured synthesis core 3 consisted of metal outer pipe 1 and metal outer pipe 3 and cover plate 4.Finally, after core 3 solidifies, excision cover plate 6, and power consumption of polishing is put more energy into, steel macromolecule interlayer pipe two end section, namely removable.
Embodiment 2
With reference to Fig. 1 ~ Fig. 5, a kind of power consumption is put more energy into the manufacture craft of steel macromolecule interlayer pipe, and described manufacture craft comprises the steps:
A, be arranged at intervals on the hoop of metal inner pipe by circular arcs such as n block stiffeners, n is integer and is more than or equal to 3;
B, the metal inner pipe of the described n of being provided with block stiffener and metal outer pipe are carried out blasting treatment;
C, described metal inner pipe to be positioned in metal outer pipe with one heart, and metal inner pipe is connected with cover plate with the same end of metal outer pipe;
D, by microballon-compound polyurethane material, and to inject by forming the closed open-ended cavity inner feelings in an one end open one end between metal inner pipe, metal outer pipe, n block stiffener and cover plate, solidifying to form as core;
E, excision cover plate, polishing can be put more energy into the two ends of steel-macromolecule interlayer pipe, and obtained power consumption is put more energy into steel macromolecule interlayer pipe.
Preferably, described microballon-compound polyurethane material comprises glass microballoon or the ceramic fine bead that liquid polyol, isocyanates and diameter are 10-180 μm, volume ratio between described liquid polyol, isocyanates is: 1:(0.5 ~ 1.5), described glass microballoon or ceramic fine bead, volume ratio between liquid polyol and isocyanates between larger volume person are: 1:(1 ~ 2.5).
Volume ratio such as between described liquid polyol, isocyanates is: 1:0.5, and the volume ratio between described glass microballoon or ceramic fine bead, liquid polyol is: 1:1; Volume ratio between described liquid polyol, isocyanates is: 1:0.8, and the volume ratio between described glass microballoon or ceramic fine bead, liquid polyol is: 1:2; Volume ratio between described liquid polyol, isocyanates is: 1:1.5, and the volume ratio between described glass microballoon or ceramic fine bead, isocyanates is: 1:2.5; Also can be other mix proportion schemes within scope.
The power consumption of this example put more energy into steel macromolecule interlayer pipe manufacture craft according to the following steps:
The first step: existing (n to be greater than etc. 3 by metal outer pipe 1, metal inner pipe 2, n block stiffener, be specially the upper stiffener 41 in Fig. 1-Fig. 5, lower stiffener 42, left stiffener 43, right stiffener 44) and the external surface of cover plate 6 carries out eliminating rust, oil removing process, two end sections of metal outer pipe 1 and metal inner pipe 2 are polished, and make cross section smooth;
Second step: (n to be greater than etc. 3 at n block stiffener, be specially the upper stiffener 41 in Fig. 1-Fig. 5, lower stiffener 42, left stiffener 43, right stiffener 44, offer some power consumption holes respectively down together) and (be specially the upper power consumption hole 51 in Fig. 1-Fig. 5, lower power consumption hole 52, left power consumption hole 53, right power consumption hole 54, lower same), power consumption hole is preferentially set to the axisymmetric regular shape of the dimorphism heart, power consumption hole Breadth Maximum gets 1/3 ~ 2/3 of n block stiffener width, the extreme length of power consumption hole gets 1 ~ 2 times of the most wide degree of power consumption hole, n block stiffener size, material is all consistent, the size uniformity of power consumption hole causes, the center of power consumption hole should be arranged on the face axis of symmetry of stiffener length direction, it is parallel that longitudinal axis of symmetry in face, face faced by centre of form major axis and stiffener, it is vertical that longitudinal axis of symmetry in face, face faced by centre of form minor axis and stiffener,
3rd step: to power consumption hole in corner angle polish, rounding technique, to fall the impact of stress concentration;
4th step: (n to be greater than etc. 3 by n block stiffener, be specially the upper stiffener 41 in Fig. 1-Fig. 5, lower stiffener 42, left stiffener 43, right stiffener 44) be distributed on metal inner pipe 2 hoop by the welding of angle (360 °/n) at equal intervals successively, and butt welded seam carries out residual stress eliminates technique;
5th step: (n to be greater than etc. 3 by metal outer pipe 1 inwall, metal inner pipe 2 outer wall and n block stiffener, being specially the upper stiffener 41 in Fig. 1-Fig. 5, lower stiffener 42, left stiffener 43, right stiffener 44) surface carries out blasting treatment, steel sand (Rockwell hardness > 62) or corundum should be adopted as abrasive material, and under 0.6-0.7MPa pressure, process makes its surface roughness reach Sa2.5 level;
6th step: the metal inner pipe 2 welding n block stiffener (n to be greater than etc. 3, is specially the upper stiffener 41 in Fig. 1-Fig. 5, lower stiffener 42, left stiffener 43, right stiffener 44) is placed with metal outer pipe 1 with one heart;
7th step: the same end of metal outer pipe 1 and the metal inner pipe 2 that welded n block stiffener (n to be greater than etc. 3, is specially the upper stiffener 41 in Fig. 1-Fig. 5, lower stiffener 42, left stiffener 43, right stiffener 44) is effectively fixed on cover plate 6;
8th step: be then that ceramic fine bead or the glass microballoon of 10 ~ 180um becomes microballon-polyurethane material (to form core 3 after solidification according to demand mixing preparation by liquid polyol, isocyanates, diameter, the volume ratio of polyalcohol, isocyanates preferentially selects 1:1, and the volume of microballon generally selects 1 ~ 2.5 times of larger volume between polyalcohol and isocyanates);
9th step: by deployed microballon-polyurethane material by metal outer pipe 1 and welded the metal inner pipe 2 of n block stiffener, cover plate 6 defines in open-ended cavity; Treat that microballon-polyurethane elastomer solidify to form core 3;
Tenth step: carrying out the secondary supplementary irrigation work of microballon-polyurethane material, to guarantee that completely above-mentioned open-ended cavity filled completely by microballon polyurethane, finally, excision cover plate 6, polishing power consumption is put more energy into steel macromolecule interlayer pipe two end section.
Claims (10)
1. a power consumption is put more energy into steel macromolecule interlayer pipe, it is characterized in that: comprise metal outer pipe, metal inner pipe, n block stiffener, cover plate and core, n is integer and is more than or equal to 3, described metal outer pipe is arranged in described metal inner pipe with one heart, the bottom of described stiffener is connected with the outer wall of described metal inner pipe, the top of described stiffener is connected with the inwall of described metal outer pipe, from cross section, the circular arc compartment of terrains such as described n block stiffener are arranged on the annulus between described metal inner pipe and described metal outer pipe, described cover plate is installed in one end of described metal inner pipe and metal outer pipe, described metal inner pipe, metal outer pipe, the open-ended cavity closed an one end open one end is formed between n block stiffener and cover plate, described core is filled in described open-ended cavity, described core adopts microballon-compound polyurethane material.
2. the steel macromolecule interlayer pipe of putting more energy into that consumes energy as claimed in claim 1, it is characterized in that: described microballon-compound polyurethane material comprises glass microballoon or the ceramic fine bead that liquid polyol, isocyanates and diameter are 10-180 μm, volume ratio between described liquid polyol, isocyanates is: 1:(0.5 ~ 1.5), described glass microballoon or ceramic fine bead, volume ratio between liquid polyol and isocyanates between larger volume person are: 1:(1 ~ 2.5).
3. the steel macromolecule interlayer pipe of putting more energy into that consumes energy as claimed in claim 1 or 2, is characterized in that: described stiffener is axially spacedly distributed power consumption hole.
4. the steel macromolecule interlayer pipe of putting more energy into that consumes energy as claimed in claim 3, it is characterized in that: described power consumption hole is about the axisymmetric regular shape of the dimorphism heart, it is parallel that longitudinal axis of symmetry in face, face faced by centre of form major axis and stiffener, and it is vertical that longitudinal axis of symmetry in face, face faced by centre of form minor axis and stiffener.
5. the steel macromolecule interlayer pipe of putting more energy into that consumes energy as claimed in claim 3, is characterized in that: the center of described power consumption hole should be arranged on the face axis of symmetry of stiffener length direction.
6. the steel macromolecule interlayer pipe of putting more energy into that consumes energy as claimed in claim 3, is characterized in that: described power consumption hole Breadth Maximum span is 1/3 ~ 2/3 of stiffener width; Described power consumption hole maximum length is arranged on power consumption hole Breadth Maximum 1 ~ 2 times; The edges and corners, edge of described power consumption hole seamlessly transit; Minimum range between adjacent power consumption hole edge is not less than 1/2 of power consumption hole maximum length; The power consumption hole edge at stiffener two ends and the minimum range of stiffener edges at two ends should not be less than 1/2 of power consumption hole maximum length.
7. the steel macromolecule interlayer pipe of putting more energy into that consumes energy as claimed in claim 1 or 2, it is characterized in that: described metal outer pipe thickness is 2mm ~ 30mm, described 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 inner pipe external diameter is more than or equal to 2/5 of metal outer pipe internal diameter, and metal inner pipe external diameter is less than or equal to 4/5 of metal outer pipe internal diameter.
8. the steel macromolecule interlayer pipe of putting more energy into that consumes energy as claimed in claim 1 or 2, is characterized in that: described metal outer pipe and metal inner pipe cross section are circular, square, oval or polygon.
9. power consumption as claimed in claim 1 is put more energy into a manufacture craft for steel macromolecule interlayer pipe, it is characterized in that: described manufacture craft comprises the steps:
A, be arranged at intervals on the hoop of metal inner pipe by circular arcs such as n block stiffeners, n is integer and is more than or equal to 3;
B, the metal inner pipe of the described n of being provided with block stiffener and metal outer pipe are carried out blasting treatment;
C, described metal inner pipe to be positioned in metal outer pipe with one heart, and metal inner pipe is connected with cover plate with the same end of metal outer pipe;
D, by microballon-compound polyurethane material, and to inject by forming the closed open-ended cavity inner feelings in an one end open one end between metal inner pipe, metal outer pipe, n block stiffener and cover plate, solidifying to form as core;
E, excision cover plate, polishing can be put more energy into the two ends of steel-macromolecule interlayer pipe, and obtained power consumption is put more energy into steel macromolecule interlayer pipe.
10. power consumption as claimed in claim 9 is put more energy into the manufacture craft of steel macromolecule interlayer pipe, it is characterized in that: described microballon-compound polyurethane material comprises glass microballoon or the ceramic fine bead that liquid polyol, isocyanates and diameter are 10-180 μm, volume ratio between described liquid polyol, isocyanates is: 1:(0.5 ~ 1.5), described glass microballoon or ceramic fine bead, volume ratio between liquid polyol and isocyanates between larger volume person are: 1:(1 ~ 2.5).
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| CN105696718A (en) * | 2016-01-25 | 2016-06-22 | 浙江交通职业技术学院 | Novel buckling energy consumption prevention pipe and manufacturing technology thereof |
| CN105735509A (en) * | 2016-03-18 | 2016-07-06 | 武汉理工大学 | Viscous liquid damping torsion-resistant cylinder used 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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| 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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| AU2011100831A4 (en) * | 2011-07-07 | 2011-08-18 | Twenty Years Bst Pty Ltd | Support rail |
| CN103850392A (en) * | 2012-12-04 | 2014-06-11 | 北京工业大学 | Concrete column with vertical perforated rib plates between outer square steel pipe and inner round steel pipe and manufacturing method of concrete column |
| 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 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696718A (en) * | 2016-01-25 | 2016-06-22 | 浙江交通职业技术学院 | Novel buckling energy consumption prevention pipe and manufacturing technology thereof |
| CN105735509A (en) * | 2016-03-18 | 2016-07-06 | 武汉理工大学 | Viscous liquid damping torsion-resistant cylinder used 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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| CN104612324B (en) | 2017-05-03 |
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