CN106168014A - Three-dimensional porous metal material deck installation structure and construction method thereof - Google Patents
Three-dimensional porous metal material deck installation structure and construction method thereof Download PDFInfo
- Publication number
- CN106168014A CN106168014A CN201610471009.XA CN201610471009A CN106168014A CN 106168014 A CN106168014 A CN 106168014A CN 201610471009 A CN201610471009 A CN 201610471009A CN 106168014 A CN106168014 A CN 106168014A
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- metal material
- porous metal
- dimensional porous
- filler
- installation structure
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- 239000007769 metal material Substances 0.000 title claims abstract description 55
- 238000009434 installation Methods 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000009408 flooring Methods 0.000 claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004567 concrete Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000011499 joint compound Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000002986 polymer concrete Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 239000002131 composite material Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000012856 packing Methods 0.000 abstract description 6
- 239000011148 porous material Substances 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 12
- 239000010426 asphalt Substances 0.000 description 5
- 239000011384 asphalt concrete Substances 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 5
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 5
- 239000004067 bulking agent Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229940059574 pentaerithrityl Drugs 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- JKTCBAGSMQIFNL-UHFFFAOYSA-N 2,3-dihydrofuran Chemical compound C1CC=CO1 JKTCBAGSMQIFNL-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- -1 pentaerythritol ester Chemical class 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
Abstract
The invention discloses a kind of three-dimensional porous metal material deck installation structure, including be arranged on floorings by three-dimensional porous metal material and the pave-load layer of filler composite molding, described filler forms network and interweaves compound compact structure in being filled in the three-dimensional through hole of three-dimensional porous metal material；Mutually intert to intersect with filler be combined into one by the through hole dense packing effect filler of three-dimensional porous metal material being formed porous material, filler is in three-dimensional mesh, formed around locking, reach good reinforced effects, interface cohesion force intensity is high, constrain one another between material and mutually strengthen, the composite construction globality formed is strong, intensity and the yield stress of composite construction significantly improve, improve bulk strength and the rigidity of deck installation structure, there is certain toughness simultaneously, strengthen anti-rut behavior, and it is little to have water absorption, impervious, frost resistance is good, wearability is high, the feature that anti-high and low-temp performance is good, the technique implementing this deck installation structure is simple, convenient to operate.
Description
Technical field
The present invention relates to field of bridge deck pavement, particularly to three-dimensional porous metal material deck installation structure and construction party thereof
Method.
Background technology
Along with the process of China's reform and opening-up, highway, city expressway and major urban arterial highway have obtained rapidly
Development, built large quantities of highway bridges and Urban Bridge.So far, all kinds of modernization bridges that China is built are at world's bridge
All enter important ranking in the ranking of girder span footpath, even come out at the top.It reflect from a side China produce, economical with
The development height of science and technology.
Flourish along with Bridges in Our Country technology, reaching its maturity of bridge construction technology, in bridge overall structure
Problem day by day reduce.Comparatively speaking, bridge is mated formation and is the most usually ignored by engineer, and the Bridge Design specification of China and cement mix
Solidifying soil surface job specfication also simply show the thickness requirement of concrete pavement and asphalt pavement, makes deck paving too the earlyest
Situation about destroying is of common occurrence, and bridge floor is repaired each time, all brings huge pressure to traffic.Such as, Flower garden, Chongqing City is big
Bridge is to connect Yu Zhong district and the important channel of Jiangbei District, and existing average daily vehicle flowrate reaches 140,000, owing to damaging oof bridge surface is serious, and must not
Not starting, on February 25th, 2013, the replacing carried out deck paving up to more than 60 days to process, associated vehicle has to detour,
Greatly have impact on the normal trip of people, also cause huge current pressure to bridge, make the city originally blocked up more gather around
Stifled.
Deck paving is the direct acting part of wheel.The effect of deck paving is to prevent vehicle tyre or crawler belt direct
Abrasion carriageway plate, protection girder is from rain erosion, and the load of vehicle wheel load is played distribution effect.This is namely
Say, on the one hand, deck paving must provide a comfortable driving condition spread load to vehicle, it is necessary to possess enough firm
Degree and good overall performance, have cracking resistance, antiskid, the performance such as wear-resisting.On the other hand, bridge is mated formation and bridge force-bearing structure is glued
Knot forms overall work, and bridge is mated formation and can may be born pulling force or pressure along with the loading characteristic of bridge structure.
It is one of pavement material most-often used on Short/Medium Span Bridge that portland cement concrete is mated formation.Ordinary cement coagulation
Soil material is drawn materials conveniently, dependable performance, and rigidity is big, and intensity is high, the distinguishing features such as sturdy and durable and routine servicing workload is little.General
The elastic modelling quantity of water flowing cement concrete pave-load layer is big, and flexural tensile strength is little, and Brittleness is obvious, and current noise ratio asphalt mixture surfacing is wanted
Greatly, comfortableness is also inferior compared with asphalt pavement.
Owing to bituminous concrete overlay has rapid construction and good driving performance, modern bridge is mated formation generally
Use asphalt concrete pavement.But the durability of Asphalt Concrete Deck Pavement but wretched insufficiency.A usual highway
The total length of the structure structures such as upper bridge, passage and crossings on different level is generally short many than subgrade and pavement, but high in major part
On speed highway, the asphalt concrete pavement on structure concrete pavement produces the quantity of pit-hole often more than subgrade and pavement
The pit-hole of upper generation, the former repairing rate is often bigger than the repairing rate of the latter many and easier generation rut and pushing away is gathered around.Additionally,
The asphalt concrete pavement of concrete surface layer is also easier to produce rut groove than asphalt concrete pavement on subgrade and pavement.
Accordingly, it would be desirable to a kind of novel deck installation structure, improve the intensity of deck installation structure, strengthen anti-bending strength,
Anti-rut behavior, it is to avoid the generation of fatigue crack, improves anti-high and low-temp performance simultaneously, reduces bridge maintenance rate, extends bridge floor paving
The service life of assembling structure, and then improve travel safety.
Summary of the invention
In view of this, the three-dimensional porous metal material deck installation structure of the present invention and construction method thereof, deck paving is tied
Structure intensity is high, and anti-bending strength and anti-rut behavior are excellent, have preferable anti-high and low-temp performance simultaneously, reduce bridge maintenance rate,
Extend the service life of deck installation structure, and then improve travel safety.
The three-dimensional porous metal material deck installation structure of the present invention, including be arranged on floorings by three-dimensional porous gold
Belonging to material and the pave-load layer of filler composite molding, described filler is formed in being filled in the three-dimensional through hole of three-dimensional porous metal material
Network interweaves and is combined compact structure；
Further, described filler be cement mortar, fine aggregate concrete, polymer water mud, polymer concrete, epoxy resin,
One or both mixture in epoxy concrete；
Further, during described three-dimensional porous metal material is the alloy of ferrum, steel, aluminum, nickel, titanium, copper and above-mentioned material
One or more mixture；
Further, the hole of described three-dimensional porous metal material is uniformly distributed, and UNICOM's porosity is 50～99%, aperture
It is 0.1～200mm；
Further, described pave-load layer thickness is 0.2-30cm；
Further, between pave-load layer and floorings, it is provided with adhesive linkage or/and shear connector.
The present invention discloses the construction method of a kind of three-dimensional porous metal material bridge floor steel paving structure, comprises the following steps:
Filler and three-dimensional porous metal material are combined after making the precoated plate with the compound compact structure of network intertexture and are layed in bridge floor
On plate.
Invention additionally discloses the construction method of another kind of three-dimensional porous metal material deck installation structure, including following step
Rapid: three-dimensional porous metal material is layed on floorings, on three-dimensional porous metal material, then irrigate filler make filler close
The compound compact structure of network intertexture is formed in being filled in the three-dimensional through hole of three-dimensional porous metal material in fact.
Beneficial effects of the present invention: the three-dimensional porous metal material deck installation structure of the present invention and construction method thereof, logical
Cross the through hole dense packing effect filler to three-dimensional porous metal material to form structural material and mutually intert to intersect with filler and be combined into
Integrally, filler, in three-dimensional mesh, is formed around locking, reaches good reinforced effects, and interface cohesion force intensity is high, material it
Between constrain one another and mutually strengthen, the composite construction globality formed is strong, and intensity and the yield stress of composite construction significantly carry
Height, improves bulk strength and the hardness of deck installation structure, has certain toughness simultaneously, strengthen anti-rut behavior, and have
Water absorption is little, and impermeability, frost resistance are good, and wearability is high, and the feature that anti-high and low-temp performance is good implements the work of this deck installation structure
Skill is simple, it is simple to operation.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the planar structure schematic diagram of pave-load layer.
Detailed description of the invention
The three-dimensional porous metal material deck installation structure of the present embodiment is many by three-dimensional including be arranged on floorings 4
Mesoporous metal material and the pave-load layer 1 of filler 3 composite molding, the three-dimensional that described filler 3 is filled in three-dimensional porous metal material is through
The compound compact structure of network intertexture is formed in hole 2；Three-dimensional porous metal material is metal material from as three-dimensional porous structure,
By forming the through hole dense packing effect filler 3 of three-dimensional porous metal material, metal polyporous material and filler 3 are mutually interspersed to be handed over
Floorings 4 structure that fork is combined into one, rigidity and the yield stress of composite construction significantly improve, and then improve deck paving knot
The bulk strength of structure and hardness.May also include the enhancement layer being layed on pave-load layer 1, described enhancement layer material be concrete and/
Or Colophonium；Be combined the intensity further enhancing paving structure with above-mentioned composite construction, reduce water absorption, improve impervious, freeze proof
The performance of the aspects such as property, wearability.
In the present embodiment, described filler 3 is cement mortar, fine aggregate concrete, polymer water mud, polymer concrete, epoxy
One or both mixture in resin, epoxy concrete, filler 3 is response type filler 3 or non-reactive filler 3, tool
There is certain mobility, it is possible to filling pore, tie in the way of chemical bond or mechanical function with three-dimensional porous metal material
Close, improve bulk strength and the hardness of deck installation structure.Mobility that above-mentioned filler 3 is had and caking property, make filler 3 energy
In enough holes being scattered in three-dimensional porous metal material uniformly, make filler 3 abundant with porous material by the caking property of filler 3
In conjunction with, improve caking property, the most beneficially between filler 3 molecule and porous material fully conjunction.When filler 3 is fine aggregate concrete,
Between material, not only mutually bonding forms interwoven mesh structure, and simultaneously works as skeletal support between fine aggregate and metal material
Effect, collaborative enhancing forms skeleton body each other；When filler 3 for polymerization species or/and during epoxy resin, by dense packing effect gold
Belonging to the hole formation cincture locking of material, make the interface bond strength between material higher, floorings 4 structure formed has
Higher yield stress.
In the present embodiment, described three-dimensional porous metal is in the alloy of ferrum, steel, aluminum, nickel, titanium, copper and above-mentioned material
One or more mixture；The intensity of three-dimensional porous metal is high, structural higher.
In the present embodiment, the hole of described three-dimensional porous metal material is uniformly distributed, and UNICOM's porosity is 50～99%, hole
Footpath is 0.1～200mm；The distribution of hole directly affects the structural strength of porous material, therefore, the connection of three-dimensional porous metal material
Logical is mutually restriction between porosity and aperture, is not elective, only between UNICOM's porosity and aperture functionally
The most collaborative requirement that could meet the present invention, therefore, is one between UNICOM's porosity and the aperture of three-dimensional porous metal material
Individual organic combination collocation, is a dynamic equilibrium relation each other, only meets equilibrium relation between the two, ability
Through hole dense packing effect filler 3 at three-dimensional porous metal material forms structural material and mutually interts to intersect with filler 3 and be combined into
Integrally, filler 3, in three-dimensional mesh, is formed around locking, the compactness of the hole connection structure within reinforcing material and intensity, by
This not only increases the tensile strength of material, more effectively enhances the extension property of material, meets again the demand of intensity, boundary simultaneously
Face adhesion intensity is high, constrains one another and mutually strengthen between material.
In the present embodiment, described pave-load layer 1 thickness is 0.2-30cm.
In the present embodiment, between pave-load layer 1 and floorings 4, it is provided with adhesive linkage or/and shear connector；Strengthen pave-load layer 1
Bonding with floorings 4.The material of tack coat can be: the mass ratio of each component is matrix pitch: modifying agent SBS: viscosifier:
Bulking agent: stabilizer=100: (6～12): (0.8～3): (5.0～18.7): (0.～1), chooses matrix pitch, modifying agent
SBS, viscosifier, bulking agent and stabilizer；Described matrix pitch selects bitumen A H-70 or bitumen A H-90；Described modifying agent
SBS is styrene butadiene styrene block copolymer (SBS)；Described viscosifier select Petropols or terpene resin；Described
Bulking agent selects dihydrofuran, tetramethylolmethane or pentaerythritol ester bulking agent；Polyamide-based stabilizer selected by described stabilizer
Or sulfur stabilizer.
The present invention discloses the construction method of a kind of three-dimensional porous metal material bridge floor steel paving structure, comprises the following steps:
Filler 3 and three-dimensional porous metal material are mixed have network interweave compound compact structure precoated plate after be layed in bridge floor
On plate 4；The method is for being first fabricated to precoated plate, then is fixed on floorings 4 by shear connector.
Invention additionally discloses the construction method of another kind of three-dimensional porous metal material deck installation structure, including following step
Rapid: three-dimensional porous metal material is layed on floorings 4, on three-dimensional porous metal material, then irrigate filler 3 make filler 3
Dense packing effect forms the compound compact structure of network intertexture in the three-dimensional through hole 2 of three-dimensional porous metal material；The method is existing
Field construction, easy construction.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, although with reference to relatively
The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from objective and the scope of technical solution of the present invention, it all should be contained at this
In the middle of the right of invention.
Claims (8)
1. a three-dimensional porous metal material deck installation structure, it is characterised in that: include being arranged on floorings by three-dimensional
Porous metal material and the pave-load layer of flowing filler mixed-forming, described filler is filled in the three-dimensional of three-dimensional porous metal material and passes through
The compound compact structure of network intertexture is formed in through hole.
Three-dimensional porous metal material deck installation structure the most according to claim 1, it is characterised in that: described filler is water
One or more in mud, fine aggregate concrete, polymer water mud, polymer concrete, epoxy resin, epoxy concrete
Mixture.
Three-dimensional porous metal material deck installation structure the most according to claim 2, it is characterised in that: described three-dimensional porous
Metal material is one or more mixture in the alloy of ferrum, steel, aluminum, nickel, titanium, copper and above-mentioned material.
Three-dimensional porous metal material deck installation structure the most according to claim 3, it is characterised in that: described three-dimensional porous
The hole of metal material is uniformly distributed, and UNICOM's porosity is 50～99%, and aperture is 0.1～200mm.
Three-dimensional porous metal material deck installation structure the most according to claim 4, it is characterised in that thickness of mating formation described in:
Degree is 0.2-30cm.
Three-dimensional porous metal material deck installation structure the most according to claim 1, it is characterised in that: at pave-load layer and bridge
It is provided with adhesive linkage or/and shear connector between panel.
The construction method of three-dimensional porous metal material bridge floor steel paving structure the most according to claim 1, it is characterised in that:
Comprise the following steps:
Filler and three-dimensional porous metal material are mixed have network interweave compound compact structure precoated plate after be layed in
On floorings.
The construction method of three-dimensional porous metal material deck installation structure the most according to claim 1, it is characterised in that: bag
Include following steps:
Three-dimensional porous metal material is layed on floorings, on three-dimensional porous metal material, then irrigates filler make filler close
The compound compact structure of network intertexture is formed in being filled in the three-dimensional through hole of three-dimensional porous metal material in fact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610471009.XA CN106168014B (en) | 2016-06-24 | 2016-06-24 | Three-dimensional porous metal material deck installation structure and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610471009.XA CN106168014B (en) | 2016-06-24 | 2016-06-24 | Three-dimensional porous metal material deck installation structure and its construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106168014A true CN106168014A (en) | 2016-11-30 |
| CN106168014B CN106168014B (en) | 2019-01-04 |
Family
ID=58065934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610471009.XA Active CN106168014B (en) | 2016-06-24 | 2016-06-24 | Three-dimensional porous metal material deck installation structure and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106168014B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029595A (en) * | 2019-05-08 | 2019-07-19 | 杨逵 | A kind of bridge pavement fast repairing method of use foam metal containing lanthanum sheet material |
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| CN104389266A (en) * | 2014-11-14 | 2015-03-04 | 南京工业大学 | Composite material shear key for steel-concrete combined structure |
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|---|---|---|---|---|
| JP2007297882A (en) * | 2006-05-08 | 2007-11-15 | Chikanori Hashimoto | Concrete reinforcing net and concrete structure |
| CN201473848U (en) * | 2009-08-05 | 2010-05-19 | 青岛中力恒进出口有限公司 | Paving stone stabilizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110029595A (en) * | 2019-05-08 | 2019-07-19 | 杨逵 | A kind of bridge pavement fast repairing method of use foam metal containing lanthanum sheet material |
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| Publication number | Publication date |
|---|---|
| CN106168014B (en) | 2019-01-04 |
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Effective date of registration: 20210818 Address after: 402247 No. 1 Fuxing Road, Shuang Fu New District, Jiangjin District, Chongqing. Patentee after: CHONGQING JIAOTONG University Address before: 400074 No. 66, Xuefu Avenue, Nan'an District, Chongqing Patentee before: Gu Jianyi |