CN106759391A - The antiskid pile group and its construction method of a kind of townhouse hollow section combining structure - Google Patents
The antiskid pile group and its construction method of a kind of townhouse hollow section combining structure Download PDFInfo
- Publication number
- CN106759391A CN106759391A CN201611028972.7A CN201611028972A CN106759391A CN 106759391 A CN106759391 A CN 106759391A CN 201611028972 A CN201611028972 A CN 201611028972A CN 106759391 A CN106759391 A CN 106759391A
- Authority
- CN
- China
- Prior art keywords
- hollow
- binding
- pile
- friction pile
- core construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
A kind of antiskid pile group of townhouse hollow section combining structure, the antiskid pile group is combined by multiple separate friction piles and a series of binding-beams and is formed, the centre of the friction pile is provided with hollow-core construction, the binding-beam includes a crossbeam, there is vertical beam at the two ends of the crossbeam, the crossbeam and vertical beam are integrally formed, the vertical beam of binding-beam one end can closely constitute the structure being adapted with hollow-core construction with the vertical beam of the neighboring bracing beams other end, friction pile is inserted in hollow-core construction jointly by the vertical beam of binding-beam one end and the vertical beam of the neighboring bracing beams other end, the friction pile that will be separate constitutes antiskid pile group.Present invention additionally comprises a kind of construction method of the antiskid pile group of townhouse hollow section combining structure.Simple structure of the present invention, safety, construction technology is workable, many advantages, such as reduce landslide control engineering investment, remarkable in economical benefits, with wide popularizing application prospect.
Description
Technical field
The present invention relates to a kind of reinforced concrete anti-slide pile for Landslide Hazards harnessing project, and in particular to a kind of
The antiskid pile group and its construction method of townhouse hollow section combining structure.
Background technology
Landslide is a very serious class geological disaster.In the scheme of harnessing landslide, friction pile is a kind of most widely used
One of general Scheme of Strengthening.The mechanism that friction pile is reinforced is the slider bed for passing through gliding mass and certain depth, by the thrust of slip mass
Load is delivered in the slider bed of stabilization.Friction pile is widely applied in engineering practice, but single friction pile is due to carrying
It is limited in one's ability, each isolated cantilever friction pile is linked as entirety, integral rigidity can be lifted, strengthen anti-slippery effect.
At present, in landslide and Reinforcement Works of Rock Slopes, single friction pile is limited relative to whole landslide anti-slide performance, has
Researcher proposes that carrying on the back native side in friction pile sets prefabricated armoured concrete slab, forms the compound supporter system of piling wall, but mainly
Native side being carried on the back in friction pile and precast concrete breast boards being set, work progress is cumbersome, and fails to be closely connected friction pile, it is main suitable
For the stake of civil engineering standard small, it is impossible to the heavy in section friction pile implemented suitable for reply Landslide Hazards.Also grind
The person of studying carefully proposes the construction method using the outer isosceles trapezoid hollow cross-section friction pile do not laid equidistantly, but due to hollow section
It is isosceles trapezoid, is possible to produce stress raisers in specific implementation process, and the program is not considered between adjacent studs
Interaction, integral rigidity is strong.
The content of the invention
In view of this, it is strong The embodiment provides a kind of existing good stress performance, rigidity, can reduce into again
This, the antiskid pile group and its construction method of construction easily townhouse hollow section combining structure.
Embodiments of the invention provide a kind of antiskid pile group of townhouse hollow section combining structure, and the antiskid pile group is by more
The friction pile of individual separation and a series of binding-beams are combined and are formed, and the centre of the friction pile is provided with hollow-core construction, the binding-beam
Including a crossbeam, there is vertical beam at the two ends of the crossbeam, and the crossbeam and vertical beam are integrally formed, the vertical beam and phase of binding-beam one end
The vertical beam of the adjacent binding-beam other end can closely constitute the structure being adapted with hollow-core construction, and friction pile is by the perpendicular of binding-beam one end
Beam is inserted in hollow-core construction jointly with the vertical beam of the neighboring bracing beams other end, and the friction pile that will be separate constitutes antiskid pile group.
Further, the vertical beam is semicylinder, and the diameter of semicylinder is adapted with the internal diameter of hollow-core construction, described
The cross section of hollow-core construction is circle, and the cross section of the friction pile is the rectangle with circular port.
Further, the friction pile is formed by armored concrete perfusion, and the binding-beam is " ┍ ┑ " shaped steel reinforced concrete
Gravity binding-beam, binding-beam inserts the top of friction pile, and the gravity laod of binding-beam is delivered to the top of friction pile, increases antiskid
The vertical load of stake.
Further, a cubic metre of earth stone is inserted in the hollow-core construction, the top insertion of vertical beam from the hollow-core construction of binding-beam is hollow
In structure, the upper surface of earthwork stone is in contact with the lower surface of vertical beam, is further filled with cubic metre of earth stone to the front and rear both sides of vertical beam, makes vertical beam
It is fixedly secured in hollow-core construction.
Further, the friction pile is arranged to sink stake.
A kind of construction method of the antiskid pile group of townhouse hollow section combining structure, comprises the following steps:
(1)Smooth landslide, prepares construction tool, and prefabricated binding-beam is transported into landslide;
(2)Dig the stake holes of friction pile;
(3)The template that placement is adapted with friction pile size in stake holes;
(4)Decentralization steel reinforcement cage;
(5)In rectangle template middle setting hollow-core construction template, hollow-core construction is formed;
(6)Poured using top and bottom process and build up the friction pile with hollow-core construction;
(7)The cubic metre of earth and stone dug out when digging stake holes is backfilling into hollow-core construction;
(8)By in binding-beam insertion hollow-core construction;
(9)Continue for earthwork stone to be backfilled to both sides before and after binding-beam.
Further, the step(2)In, the stake holes of friction pile passes through the gliding mass and sliding surface on landslide, into the slider bed on landslide.
Further, the step(6)In, the stake top of friction pile is lower than the earth's surface line for coming down.
Further, the step(8)In, two vertical beams of binding-beam are inserted respectively into the hollow-core construction of adjacent friction pile,
And it is antiskid pile group to be combined multiple separate friction piles by a series of binding-beam, the top of the binding-beam with landslide
Earth's surface it is concordant.
Compared with prior art, the invention has the advantages that:
1st, the friction pile of separation is contacted into an organic antiskid pile group by the present invention by binding-beam, enhances the whole of friction pile
Body rigidity, reduces the deformation of friction pile, and the gravity laod of binding-beam is delivered to friction pile, equivalent to being applied with vertical load,
Greatly strengthen the anti-slippery effect of friction pile;
2nd, during the present invention inserts hollow-core construction jointly by the vertical beam of the vertical beam of binding-beam one end and the neighboring bracing beams other end, can
The concentration of stress is avoided, extends the service life of friction pile, simultaneously as binding-beam is arranged on friction pile top certain altitude,
Friction pile sink stake be can be set to, the concrete and reinforcing bar usage amount of friction pile, cost saving greatly reduced;
3rd, the cross section of friction pile of the invention is the rectangle with circular port, may be implemented in and ensures preventing land slide system safety
Under the premise of reduce cross-sectional area so that the concrete square amount of perfusion needed for reducing, saves material, meanwhile, the sky of friction pile
Core structure, can backfill and dig out the cubic metre of earth and stone in friction pile work progress, it is to avoid the expense of cubic metre of earth and stone outward transport, and, pass through
Further with hollow-core construction be firmly connected binding-beam by earthwork stone, both economically and environmentally beneficial, realizes that friction pile safety is double with economy
Weight target
4th, the binding-beam in work progress of the invention is prefabricated components, and the scene of being transported to is lifted, and both reduces cost, and
The duration is saved, simultaneously as binding-beam is at the top of friction pile, to set breast boards safer and just than excavating trough after conventional piles
It is prompt;
5th, it is easy in friction pile pile body in the rectangle template middle setting cylindrical form of friction pile in work progress of the invention
The inside template of cylinder is set in excavated section, and constructing operation is convenient and simple.
Brief description of the drawings
Fig. 1 is the structural representation of the antiskid pile group of townhouse hollow section combining structure of the present invention.
Fig. 2 is the top view of the antiskid pile group of the townhouse hollow section combining structure of Fig. 1.
Fig. 3 is the profile of the antiskid pile group of the townhouse hollow section combining structure of Fig. 1.
Fig. 4 is vertical section position view of the friction pile of the present invention on landslide.
Fig. 5 is the horizontal layout schematic top plan view of antiskid pile group of the present invention.
In figure:1- binding-beams, 11- crossbeams, 12- vertical beams, 2- friction piles, 21- hollow-core constructions, 3- cubic meters, 4- gliding masses, 5-
Slider bed, 6- sliding surfaces, 7- landslides.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is further described.
Fig. 1-Fig. 3 is refer to, The embodiment provides a kind of antiskid pile group of townhouse hollow section combining structure,
Antiskid pile group is combined by multiple separate friction piles 2 and a series of binding-beams 1.
Friction pile 2 is formed by armored concrete perfusion, and the centre of friction pile 2 is provided with hollow-core construction 21, in hollow-core construction 21
Cubic metre of earth stone 3 is inserted, binding-beam 1, the upper surface of earthwork stone 3 and the lower surface phase of binding-beam 1 are inserted from the top of hollow-core construction 21
Contact, is further filled with cubic metre of earth stone 3 to the front and rear both sides of binding-beam 1, binding-beam 1 is fixedly secured in hollow-core construction 21.It is real one
Apply in example, friction pile 2 can be set to sink stake, and the cross section of hollow-core construction 21 is circle, and the cross section of friction pile 2 is with circle
The rectangle in shape hole.
Binding-beam 1 includes a crossbeam 11, and there is vertical beam 12 at the two ends of crossbeam 11, and crossbeam 11 and vertical beam 12 are integrally formed, connection
The vertical beam 12 of knot beam 1 one end can closely constitute the knot being adapted with hollow-core construction 21 with the vertical beam 12 of the other end of neighboring bracing beams 1
Structure, friction pile 2 inserts hollow-core construction jointly by the vertical beam 12 of the one end of binding-beam 1 with the vertical beam 12 of the other end of neighboring bracing beams 1
Firmly connected with adjacent friction pile 2 in 21.In one embodiment, binding-beam 1 is the connection of " ┍ ┑ " steel bar concrete gravity
Beam, binding-beam 1 inserts the top of friction pile 2, the gravity laod of binding-beam 1 is delivered to the top of friction pile 2, and friction pile 2 hangs down
Increase to load, the anti-slippery effect enhancing of friction pile 2, vertical beam 12 is semicylinder, the diameter and hollow-core construction of semicylinder
21 internal diameter is adapted.
The friction pile of separation is contacted into an organic antiskid pile group by the present invention by binding-beam, enhances friction pile
Integral rigidity, reduces the deformation of friction pile, and the gravity laod of binding-beam is delivered to friction pile, equivalent to being applied with vertical lotus
Carry, greatly strengthen the anti-slippery effect of friction pile;It is total to the vertical beam of the neighboring bracing beams other end by the vertical beam of binding-beam one end
In with insertion hollow-core construction, the concentration of stress can be avoided, extend the service life of friction pile, because binding-beam is arranged on friction pile
Top certain altitude, can be set to sink stake by friction pile, greatly reduce the concrete and reinforcing bar usage amount of friction pile, save work
Journey is invested;The cross section of friction pile is the rectangle with circular port, on the premise of may be implemented in guarantee preventing land slide system safety
Cross-sectional area is reduced, so that the concrete square amount of perfusion needed for reducing, saves material, meanwhile, the hollow-core construction of friction pile,
Can backfill and dig out the cubic metre of earth and stone in friction pile work progress, it is to avoid the expense of cubic metre of earth and stone outward transport, and, entered by earthwork stone
With hollow-core construction be firmly connected binding-beam by one step, both economically and environmentally beneficial, realizes friction pile safety and economic double goal
Reference picture 4 and Fig. 5, The embodiment provides a kind of construction of the antiskid pile group of townhouse hollow section combining structure
Method, comprises the following steps:
(1)Smooth landslide 7, and positioning is measured to each angle point key position where friction pile 2 according to design drawing, equipment is just
Position, the safety means such as safety cap and safety belt, the retaining wall equipment such as rectangle template, cylinder template and support frame, is hung electric welding machine
Car, steel bar meter and installation equipment etc. are ready, and prefabricated connection beam is transported into landslide;
(2)The stake holes of friction pile is dug using hand excavation's mode, the stake holes of friction pile 2 is entered through the gliding mass 4 and sliding surface 6 on landslide 7
Enter the certain depth of slider bed 5 on landslide 7;
(3)The template that placement is adapted with the size of friction pile 2 in stake holes;
(4)Assembling reinforcement, makes steel reinforcement cage, and the stake holes of friction pile 2 is directed at during decentralization steel reinforcement cage;
(5)In rectangle template middle setting hollow-core construction template, hollow-core construction 21 is formed;
(6)Poured using top and bottom process and build up the friction pile 2 with hollow-core construction 21, in one embodiment, the stake top of friction pile 2 is than sliding
The earth's surface line on slope is low, with material-saving;
(7)The cubic metre of earth and stone 3 dug out when digging 2 stake holes of friction pile is backfilling into hollow-core construction 21, the height for inserting cubic metre of earth stone 3 is slotting
When entering binding-beam 1, the upper surface of earthwork stone 3 is in contact with the lower surface of binding-beam 1;
(8)During binding-beam 1 inserted into hollow-core construction 21, two vertical beams 12 of binding-beam 1 are inserted respectively into the hollow of adjacent friction pile 2
In structure 21, and it is antiskid pile group, the top of binding-beam 1 to be combined multiple separate friction piles 2 by a series of binding-beam 1
Earth's surface with landslide is concordant;
(9)Earthwork stone 3 is backfilled to the front and rear both sides of binding-beam 1 for continuation.
Binding-beam in work progress of the invention is prefabricated components, and the scene of being transported to is lifted, and both reduces cost,
Save the duration again, simultaneously as binding-beam is at the top of friction pile, than excavated after conventional piles trough set breast boards it is safer and
It is convenient;The rectangle template middle setting cylindrical form of friction pile, is easy to set cylinder in friction pile pile body excavated section
Inside template, constructing operation is convenient and simple.
Claims (9)
1. a kind of antiskid pile group of townhouse hollow section combining structure, it is characterised in that the antiskid pile group is separated by multiple
Friction pile and a series of binding-beams are combined and are formed, and the centre of the friction pile is provided with hollow-core construction, and the binding-beam includes that one is horizontal
There is vertical beam at beam, the two ends of the crossbeam, and the crossbeam and vertical beam are integrally formed, the vertical beam and neighboring bracing beams of binding-beam one end
The vertical beam of the other end can closely constitute the structure being adapted with hollow-core construction, friction pile by the vertical beam of binding-beam one end with it is adjacent
The vertical beam of the binding-beam other end is inserted in hollow-core construction jointly, and the friction pile that will be separate constitutes antiskid pile group.
2. the antiskid pile group of townhouse hollow section combining structure according to claim 1, it is characterised in that the vertical beam is equal
It is semicylinder, the diameter of semicylinder is adapted with the internal diameter of hollow-core construction, the cross section of the hollow-core construction is circle, institute
The cross section for stating friction pile is the rectangle with circular port.
3. the antiskid pile group of townhouse hollow section combining structure according to claim 1, it is characterised in that the friction pile
Formed by armored concrete perfusion, the binding-beam is " ┍ ┑ " steel bar concrete gravity binding-beam, binding-beam insertion antiskid
The top of stake, the gravity laod of binding-beam is delivered to the top of friction pile, increases the vertical load of friction pile.
4. the antiskid pile group of townhouse hollow section combining structure according to claim 1, it is characterised in that the hollow knot
Insert a cubic metre of earth stone in structure, the vertical beam of binding-beam from the top insertion hollow-core construction of hollow-core construction, the upper surface of earthwork stone with it is perpendicular
The lower surface of beam is in contact, and is further filled with cubic metre of earth stone to the front and rear both sides of vertical beam, vertical beam is fixedly secured in hollow-core construction.
5. the antiskid pile group of townhouse hollow section combining structure according to claim 1, it is characterised in that the friction pile
It is arranged to sink stake.
6. the construction method of the antiskid pile group of the townhouse hollow section combining structure as described in claim any one of 1-5, it is special
Levy and be, comprise the following steps:
(1)Smooth landslide, prepares construction tool, and prefabricated binding-beam is transported into landslide;
(2)Dig the stake holes of friction pile;
(3)The template that placement is adapted with friction pile size in stake holes;
(4)Decentralization steel reinforcement cage;
(5)In rectangle template middle setting hollow-core construction template, hollow-core construction is formed;
(6)Poured using top and bottom process and build up the friction pile with hollow-core construction;
(7)The cubic metre of earth and stone dug out when digging stake holes is backfilling into hollow-core construction;
(8)By in binding-beam insertion hollow-core construction;
(9)Continue for earthwork stone to be backfilled to both sides before and after binding-beam.
7. the construction method of the antiskid pile group of townhouse hollow section combining structure according to claim 6, it is characterised in that
The step(2)In, the stake holes of friction pile passes through the gliding mass and sliding surface on landslide, into the slider bed on landslide.
8. the construction method of the antiskid pile group of townhouse hollow section combining structure according to claim 6, it is characterised in that
The step(6)In, the stake top of friction pile is lower than the earth's surface line for coming down.
9. the construction method of the antiskid pile group of townhouse hollow section combining structure according to claim 6, it is characterised in that
The step(8)In, two vertical beams of binding-beam are inserted respectively into the hollow-core construction of adjacent friction pile, and by a series of
It is antiskid pile group that beam is tied by multiple separate friction piles joints, and the top of the binding-beam is concordant with the earth's surface for coming down.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611028972.7A CN106759391B (en) | 2016-11-18 | 2016-11-18 | A kind of the antiskid pile group and its construction method of townhouse hollow section composite structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611028972.7A CN106759391B (en) | 2016-11-18 | 2016-11-18 | A kind of the antiskid pile group and its construction method of townhouse hollow section composite structure |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106759391A true CN106759391A (en) | 2017-05-31 |
CN106759391B CN106759391B (en) | 2018-10-19 |
Family
ID=58971449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611028972.7A Active CN106759391B (en) | 2016-11-18 | 2016-11-18 | A kind of the antiskid pile group and its construction method of townhouse hollow section composite structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106759391B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107604931A (en) * | 2017-11-08 | 2018-01-19 | 辽宁大学 | The breakage mountain body restorative procedure and structure that a kind of friction pile is combined with GSZ |
CN112049130A (en) * | 2020-09-07 | 2020-12-08 | 核工业湖州工程勘察院有限公司 | H-shaped hollow anti-slide pile |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03107014A (en) * | 1989-09-21 | 1991-05-07 | Matsuzawa Kiko:Kk | Execution method for landslide protection wall |
CN103711135A (en) * | 2014-01-13 | 2014-04-09 | 中国地质大学(武汉) | Anti-slide pile of jointed arch structure |
CN104389315A (en) * | 2014-11-12 | 2015-03-04 | 国家电网公司 | Consolidation grouting drilled pile wall and construction method thereof |
CN205116194U (en) * | 2015-11-24 | 2016-03-30 | 贵州省建筑设计研究院 | Stake arched door type of administering landslide has just constructed structure |
-
2016
- 2016-11-18 CN CN201611028972.7A patent/CN106759391B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03107014A (en) * | 1989-09-21 | 1991-05-07 | Matsuzawa Kiko:Kk | Execution method for landslide protection wall |
CN103711135A (en) * | 2014-01-13 | 2014-04-09 | 中国地质大学(武汉) | Anti-slide pile of jointed arch structure |
CN104389315A (en) * | 2014-11-12 | 2015-03-04 | 国家电网公司 | Consolidation grouting drilled pile wall and construction method thereof |
CN205116194U (en) * | 2015-11-24 | 2016-03-30 | 贵州省建筑设计研究院 | Stake arched door type of administering landslide has just constructed structure |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107604931A (en) * | 2017-11-08 | 2018-01-19 | 辽宁大学 | The breakage mountain body restorative procedure and structure that a kind of friction pile is combined with GSZ |
CN112049130A (en) * | 2020-09-07 | 2020-12-08 | 核工业湖州工程勘察院有限公司 | H-shaped hollow anti-slide pile |
CN112049130B (en) * | 2020-09-07 | 2021-11-02 | 核工业湖州勘测规划设计研究院股份有限公司 | H-shaped hollow anti-slide pile |
Also Published As
Publication number | Publication date |
---|---|
CN106759391B (en) | 2018-10-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100564700C (en) | The job practices of lattice type steel column tower crane pedestal | |
CN103306289B (en) | Foundation pit piled anchor dado concrete anchor cable top beam structure and construction method thereof | |
CN207062980U (en) | Mesh Retaining Wall | |
CN105155558A (en) | Combined retaining structure and construction method thereof | |
CN101509261B (en) | Method for pile plate base for ultra-high voltage electric power line steel tower on soft foundation | |
CN102966119A (en) | Geogrid reinforced wall and construction method thereof | |
JP6343727B1 (en) | Self-supporting retaining wall and connecting block | |
CN103711135A (en) | Anti-slide pile of jointed arch structure | |
CN102864780A (en) | Supporting structure and supporting method of foundation pit | |
CN108532586A (en) | A kind of construction method of garage parking diaphram wall | |
CN110004919A (en) | A kind of foundation pit enclosure construction method in pipeline coverage | |
CN103046543A (en) | Antiskid pile with hollow outer isosceles trapezoid cross section and in unequal interval arrangement | |
CN109778868A (en) | A kind of clad steel sheet pile combined enclosure structure and its construction method | |
CN107842036A (en) | Composite foundation reinforcement gabion baffling structure and construction method | |
CN107119569A (en) | A kind of construction method of the oblique rock geology construction make-shift bridge of deep water shallow overburden | |
CN104929142A (en) | Combined cofferdam structure and building construction method thereof | |
CN106759391A (en) | The antiskid pile group and its construction method of a kind of townhouse hollow section combining structure | |
CN204435407U (en) | A kind of batter post group anchor formula rock foundation | |
CN206956744U (en) | A kind of compound retaining structure of curb | |
CN103215965A (en) | Laminate type high-rise platform pile tower crane foundation and construction method | |
CN203741848U (en) | Steel tube plate type retaining structure | |
CN102966109A (en) | Method for constructing zonal deep foundation pit bottom sealing of soft soil foundation | |
CN104863152A (en) | High-strength bare rock pipe pile inserting-driving method | |
CN106120853B (en) | A kind of inverted construction method of frame bridge | |
CN103046539A (en) | Antiskid pile with outer isosceles trapezoid cross section and in unequal interval arrangement |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |