CN106836482A - Construction method for reinforcing steel structure beam or column - Google Patents
Construction method for reinforcing steel structure beam or column Download PDFInfo
- Publication number
- CN106836482A CN106836482A CN201710002701.2A CN201710002701A CN106836482A CN 106836482 A CN106836482 A CN 106836482A CN 201710002701 A CN201710002701 A CN 201710002701A CN 106836482 A CN106836482 A CN 106836482A
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 185
- 239000010959 steel Substances 0.000 claims abstract description 185
- 238000000034 method Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 210000002435 tendon Anatomy 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B2001/2466—Details of the elongated load-supporting parts
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention relates to a construction method for reinforcing a steel structure beam or column, wherein the beam or column adopts basic section steel, and the construction steps comprise: first, the following components were prepared: 4U-shaped channel steel; the basic section steel consists of an upper flange, a lower flange and a web plate; secondly, installing U-shaped channel steel: respectively inserting 4U-shaped channel steels into four corners of an upper flange and a lower flange of the basic section steel, arranging the U-shaped channel steels along the through length of the basic section steel, fixing the U-shaped channel steels and the basic section steel, and forming a pore passage for penetrating the prestressed tendon between the U-shaped channel steels and the flange; thirdly, prestress is applied by passing prestressed tendons through the 4-corner hole channels of the basic steel. By adopting the construction method, the bending resistance/pressure bearing capacity and the torsion resistance bearing capacity of the beam/column can be improved simultaneously, and the construction method has good effect on strengthening the torsion resistance bearing capacity of the steel structure side column and the side beam.
Description
Technical field
Patent of the present invention belongs to building engineering field, and in particular to the construction method of a kind of reinforcing steel structure girder or post.
Background technology
CN105926974 A disclose a kind of steel construction combination beam for increasing existing girder steel bearing capacity, in existing girder steel
The setting pair girder steel of parallel beneath, anchorage and at least one gravitation support frame, secondary girder steel are set between existing girder steel and secondary girder steel
One end is fixed, and other end connection force application apparatus or secondary girder steel are provided with fastener, and existing girder steel, secondary girder steel and anchorage firmly connect
Connect, with the steel construction combination beam that fastener, gravitation support frame collectively constitute increase bearing capacity.Using the steel construction of the invention
Combination beam, can carry out field-hardened to existing girder steel under engineering present situation, and method is simple, the letter of steel construction combined beam structure
It is single, disclosure satisfy that engineering design and use requirement.The combination of steel construction+steel strand wires can improve being held by curved for beam in above-mentioned document
Power is carried, but also how to improve the technical scheme of Torsion bearing capacity in the structure without reference to steel strand wires in the prior art.
The content of the invention
The purpose of the present invention is to overcome the defect of prior art and provide a kind of construction method for reinforcing steel structure girder or post,
The purpose is to the Torsion bearing capacity in reinforcement/post.
The technical scheme is that：A kind of construction method for reinforcing steel structure girder or post, the beam or post are using basis
Shaped steel, construction procedure includes：First, prepare with lower member：4 U-lag steels；The basic section steel is by top flange, lower flange, abdomen
Plate is constituted；Second, U-type groove steel is installed：During 4 U-lag steels are inserted into the corner of the top flange of basic section steel, lower flange respectively, U
Shape channel-section steel is fixed along the elongated arrangement of basic section steel, U-lag steel and basic section steel, be formed between U-lag steel and the edge of a wing wear it is pre-
The duct of stress rib；3rd, presstressed reinforcing steel is passed through in 4 jiaos of the basic section steel of duct, apply prestressing force.
Further, bolt hole, U-lag steel and basic section steel are preset between U-lag steel and the edge of a wing of basic section steel
The bolt hole alignment on the edge of a wing, both are fixed by bolt and nut component.
Further, in the first step, when preparing component, welded respectively in the left and right sides of the top flange of basic section steel, lower flange
Connect vertical steel pipe, the two ends outstanding flange of vertical steel pipe, the thickness of the height more than the edge of a wing of vertical steel pipe, during vertical steel pipe is
It is empty；The spacing of vertical steel pipe is 15-50cm；Second step, during according to U-type groove steel, U-lag steel is inserted from the front of basic section steel,
Two flank side surfaces on its insertion edge of a wing have projection, and the part for protruding from the edge of a wing with vertical steel pipe cooperates to position U-lag steel
With the mutual alignment on the edge of a wing；There is hole the part that the upper and lower surface of U-lag steel is corresponding with vertical steel pipe, by bolt and nut component
It is both fixed.
Further, in second step, install in U-type groove steel, also include：Install outer panel and lower outer panel, upper outer panel
It is arranged on the edge of a wing outside of 2 U-lag steels of top flange；Lower outer panel is arranged on outside 2 edges of a wing of U-lag steel of top flange
Side.
Further, in second step, install in U-type groove steel, also include：Install interior plate and lower interior plate, upper interior plate,
Lower interior plate is separately positioned between top flange, the one end on the inside of the edge of a wing of the U-lag steel of lower flange and web.
Further, 4 pieces of interior plates are formed with webShape.
Further, in second step, install in U-type groove steel, also include：Left plate and right plate, left plate and right side are installed
Plate is parallel with web, and the U-lag steel of basic section steel web both sides is connected by left plate and right plate respectively, and upper outer panel is with
Outer panel and left plate and right edge cause that 4 jiaos of U-lag steel connects to form " mouth " font.
Further, the basic section steel is I-steel, and top flange is identical with the structure of lower flange, and the presstressed reinforcing steel is used
Prestress wire, the beam or post are side bar or side column
Using above-mentioned technical proposal, compared with prior art, beneficial effects of the present invention are：1. the edge of a wing of beam/post uses
Knockdown method is formed：That is the mode of basic section steel+channel-section steel is formed；2. 4 jiaos in shaped steel set presstressed reinforcing steel, Neng Gou
While improving bending resistance/pressure bearing capacity, Torsion bearing capacity is improved；3. the application be using beam, post reverse when, U-lag steel and
Internal prestressing force can form space curve in the presence of moment of torsion, and presstressed reinforcing steel length can be stretched further, and presstressed reinforcing steel exists
While tension, presstressed reinforcing steel can link together to channel-section steel active force, channel-section steel in radial direction with the basic section steel edge of a wing, and then suppress
Beam/post is grappled；4. the combined type edge of a wing of the invention facilitates channel-section steel and the edge of a wing by the way of the external bolt steel pipe of basic section steel
Be located by connecting, it is ensured that both stability；5. the present invention is applicable not only to newly-built structural steelwork, applies also for built work
The reinforcing of journey.
Brief description of the drawings：
Fig. 1：The structure scheme of installation of embodiment one.
Fig. 2：The bolt and nut component of embodiment one and U-lag steel detail drawing of installation.
Fig. 3：The structure scheme of installation of embodiment three.
Fig. 4：The structure scheme of installation of example IV.
Fig. 5：Steel strand wires deformation schematic diagram when being turned round.
Fig. 6：Steel strand wires of the present invention and basic section steel stress diagram.
Specific embodiment
Embodiment 1：As shown in Figure 1-2, a kind of construction method for reinforcing steel construction side bar, the beam or post use basic type
Steel, its construction procedure is as follows：
First, prepare component：Basic section steel, 4 U-lag steels 1-1,1-2,1-3,1-4；Basic section steel uses I-steel, by upper
Edge of a wing 2-1, lower flange 2-2, web 3 are constituted, and top flange 2-1 is identical with the structure of lower flange 2-2；
Second, during 4 U-lag steels are inserted into top flange, the corners of lower flange of basic section steel, U-lag steel and basic section steel
Bolt hole is preset between the edge of a wing, U-lag steel is alignd with the bolt hole on the edge of a wing of basic section steel, both pass through bolt and nut group
Part 1-5 is fixed；The duct 4 for wearing presstressed reinforcing steel is formed between U-lag steel and the edge of a wing；
3rd, presstressed reinforcing steel is passed through in 4 jiaos of the basic section steel of duct, apply prestressing force；The presstressed reinforcing steel is used
Prestress wire；Prestress wire is anchored on the post of beam both sides.
Embodiment 2：A kind of construction method for reinforcing steel construction side column, the difference with embodiment 1 is：Described base
Plinth shaped steel is post；Prestress wire is anchored at the upper/lower terminal of post.
Embodiment 3：As shown in figure 3, a kind of construction method for reinforcing steel structure girder or post, the beam or post use basic type
Steel, its construction procedure is as follows：
First, prepare component：Basic section steel, 4 U-lag steels 1-1,1-2,1-3,1-4；Basic section steel uses I-steel, by upper
Edge of a wing 2-1, lower flange 2-2, web 3 are constituted, and top flange 2-1 is identical with the structure of lower flange 2-2；In the upper limb of basic section steel
Edge, the left and right sides of lower flange are respectively welded vertical steel pipe 1-7, the two ends outstanding flange of vertical steel pipe, the height of vertical steel pipe
More than the thickness on the edge of a wing, vertical steel pipe is hollow；The spacing of vertical steel pipe is 15-50cm；
Second, during 4 U-lag steels are inserted into top flange, the corners of lower flange of basic section steel, U-lag steel and basic section steel
Bolt hole is preset between the edge of a wing, U-lag steel is alignd with the bolt hole on the edge of a wing of basic section steel, both pass through bolt and nut group
Part 1-6 is fixed；The duct 4 for wearing presstressed reinforcing steel is formed between U-lag steel and the edge of a wing；
U-lag steel is inserted from the front of basic section steel, and two flank side surfaces on its insertion edge of a wing have projection, and the wing is protruded from vertical steel pipe
The part of edge cooperates to position the mutual alignment of U-lag steel and the edge of a wing；The upper and lower surface of U-lag steel and vertical steel pipe phase
There is hole corresponding part, and both are fixed by bolt and nut component；
Upper and lower outer panel 2-1-2, upper and lower interior plate 2-1-3 are welded, upper outer panel is arranged on 2 U-lag steels of top flange
Edge of a wing outside；Lower outer panel is arranged on the edge of a wing outside of 2 U-lag steels of top flange；Upper interior plate, lower interior plate are respectively provided with
Between one end and web on the inside of top flange, the edge of a wing of the U-lag steel of lower flange.
3rd, presstressed reinforcing steel is passed through in 4 jiaos of the basic section steel of duct, apply prestressing force；The presstressed reinforcing steel is used
Prestress wire.
Embodiment 4：Difference with embodiment 3 is：In U-lag steel by the left plate parallel with web and right side
Plate 2-1-4 is connected；So that 4 jiaos of U-lag steel connects to form " mouth " font, the Torsion bearing capacity of beam/post is further improved.
Embodiment 5：Difference with embodiment 3 is：Upper and lower interior plate is connected by the way of diagonal brace with web, and 4
Block interior plate is formed with webShape advantageously in U-lag steel and the globality of basic section steel can be conducive to antitorque
The raising of bearing capacity.
Reinforcement principle is illustrated from amechanical angle below, first, U-lag steel and upper and lower outer panel and left and right side
Plate shape into square shape, square shape can improve Torsion bearing capacity, this design from mechanics it will be understood that be the equal of
A torque member is increased again on I-steel, also, U-lag steel is arranged on the corner of basic section steel, antitorque shape herein
Becoming maximum, thus " square shape " is set herein can to greatest extent improve Torsion bearing capacity；Second, for prestress steel twist
For line, if its longitudinal direction is not arranged in U-lag steel, its effect is only the length elongation of steel strand wires, is between steel strand wires
Straight line；But, it is disposed in U-lag steel, in the presence of moment of torsion, steel strand wires are reversed together with U-lag steel, and are not set
The situation for putting U-lag steel is different, and steel strand wires now are curve, for prestress wire, when it is become bent by external force
During line, it will necessarily produce radial load, and its size is relevant with deformation extent.As shown in fig. 6, above-mentioned radial load acts on basis
Shaped steel F1, F2, F3, F4, F1-F4 improve Torsion bearing capacity as shear force.
Below the preferred embodiment of present aspect has been described in detail, it is understood that reading of the invention above-mentioned say
After awarding content, those skilled in the art can make various changes or modifications to the present invention.These equivalent form of values equally fall into this Shen
Please be in the protection domain of appended claims.
Claims (10)
1. a kind of construction method for reinforcing steel structure girder or post, the beam or post use basic section steel, it is characterised in that：Its construction
Step includes：
First, prepare with lower member：4 U-lag steels；The basic section steel is made up of top flange, lower flange, web；
Second, U-type groove steel is installed：During 4 U-lag steels are inserted into the corner of the top flange of basic section steel, lower flange respectively, U-shaped
Channel-section steel is fixed along the elongated arrangement of basic section steel, U-lag steel and basic section steel, is formed between U-lag steel and the edge of a wing and is worn pre- answering
The duct of power muscle；
3rd, presstressed reinforcing steel is passed through in 4 jiaos of the basic section steel of duct, apply prestressing force.
2. a kind of construction method for reinforcing steel structure girder or post according to claim 1, it is characterised in that：U-lag steel and
Bolt hole is preset between the edge of a wing of basic section steel, U-lag steel is alignd with the bolt hole on the edge of a wing of basic section steel, and both pass through
Bolt and nut component is fixed.
3. a kind of construction method for reinforcing steel structure girder or post according to claim 1, it is characterised in that construction procedure is also
Including：
In the first step, when preparing component, vertical steel pipe is respectively welded in the left and right sides of the top flange of basic section steel, lower flange,
The two ends outstanding flange of vertical steel pipe, the thickness of the height more than the edge of a wing of vertical steel pipe, vertical steel pipe is hollow；Vertical steel pipe
Spacing is 15-50cm；
Second step, during according to U-type groove steel, U-lag steel is inserted from the front of basic section steel, and two flank side surfaces on its insertion edge of a wing have prominent
Rise, the part for protruding from the edge of a wing with vertical steel pipe cooperates to position the mutual alignment of U-lag steel and the edge of a wing；U-lag steel
The upper and lower surface part corresponding with vertical steel pipe have hole, both are fixed by bolt and nut component.
4. a kind of construction method for reinforcing steel structure girder or post according to claim 1, it is characterised in that
In second step, install in U-type groove steel, also include：Outer panel and lower outer panel are installed, upper outer panel is arranged on top flange
2 U-lag steels the edge of a wing outside；Lower outer panel is arranged on the edge of a wing outside of 2 U-lag steels of top flange.
5. a kind of construction method for reinforcing steel structure girder or post according to claim 4, it is characterised in that
In second step, install in U-type groove steel, also include：Install interior plate and lower interior plate, upper interior plate, lower interior plate point
It is not arranged between top flange, the one end on the inside of the edge of a wing of the U-lag steel of lower flange and web.
6. a kind of construction method for reinforcing steel structure girder or post according to claim 4, it is characterised in that 4 pieces of interior plates
Formed with webShape.
7. a kind of construction method for reinforcing steel structure girder or post according to claim 4, it is characterised in that：
In second step, install in U-type groove steel, also include：Left plate and right plate are installed, left plate and right plate are put down with web
OK, the U-lag steel of basic section steel web both sides is respectively by left plate and right plate connection, upper outer panel and lower outer panel and a left side
Side plate and right edge cause that 4 jiaos of U-lag steel connects to form " mouth " font.
8. a kind of construction method for reinforcing steel structure girder or post according to claim 1, it is characterised in that：The basic type
Steel is I-steel, and top flange is identical with the structure of lower flange.
9. a kind of reinforcing steel structure girder according to any one of claim 1 or the construction method of post, it is characterised in that：It is described
Presstressed reinforcing steel uses prestress wire.
10. a kind of construction method for reinforcing steel structure girder or post according to claim 1, it is characterised in that：The beam or
Post is side bar or side column.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002701.2A CN106836482B (en) | 2017-01-03 | 2017-01-03 | A kind of construction method for reinforcing steel structure girder or column |
| CN201810937323.1A CN109113263B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
| CN201810931438.XA CN108894430B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
| CN201810937322.7A CN109113262B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002701.2A CN106836482B (en) | 2017-01-03 | 2017-01-03 | A kind of construction method for reinforcing steel structure girder or column |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810937323.1A Division CN109113263B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
| CN201810937322.7A Division CN109113262B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
| CN201810931438.XA Division CN108894430B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
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| Publication Number | Publication Date |
|---|---|
| CN106836482A true CN106836482A (en) | 2017-06-13 |
| CN106836482B CN106836482B (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810937322.7A Active CN109113262B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
| CN201810931438.XA Active CN108894430B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
| CN201810937323.1A Active CN109113263B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
| CN201710002701.2A Active CN106836482B (en) | 2017-01-03 | 2017-01-03 | A kind of construction method for reinforcing steel structure girder or column |
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| CN201810937322.7A Active CN109113262B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
| CN201810931438.XA Active CN108894430B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
| CN201810937323.1A Active CN109113263B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
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| CN (4) | CN109113262B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882174A (en) * | 2017-11-23 | 2018-04-06 | 厦门华旸建筑工程设计有限公司 | A kind of suspended beam type steel structure frame |
| CN110258798A (en) * | 2019-07-12 | 2019-09-20 | 浙江东南网架股份有限公司 | A kind of novel fabricated heel join node and its installation method |
| CN113266079A (en) * | 2021-06-11 | 2021-08-17 | 浙江明思特建筑支护技术有限公司 | Shaped steel with high joint strength |
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|---|---|---|---|---|
| CN110512350B (en) * | 2019-07-29 | 2021-10-26 | 东华大学 | Bending-proof device for super-long moving beam |
| CN110454168A (en) * | 2019-08-02 | 2019-11-15 | 中国恩菲工程技术有限公司 | Girder steel fixed structure |
| CN111021746B (en) * | 2019-12-25 | 2021-08-03 | 中交鹭建有限公司 | Processing and manufacturing method of light steel truss reinforcing structure |
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| CN110258798B (en) * | 2019-07-12 | 2023-10-24 | 浙江东南网架股份有限公司 | Mounting method of assembled column base connection node |
| CN113266079A (en) * | 2021-06-11 | 2021-08-17 | 浙江明思特建筑支护技术有限公司 | Shaped steel with high joint strength |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108894430A (en) | 2018-11-27 |
| CN109113262B (en) | 2020-08-28 |
| CN106836482B (en) | 2018-11-02 |
| CN108894430B (en) | 2020-06-16 |
| CN109113263B (en) | 2020-07-07 |
| CN109113262A (en) | 2019-01-01 |
| CN109113263A (en) | 2019-01-01 |
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