CN108086344A - A kind of lattice tower-crane foundation structure and construction method - Google Patents
A kind of lattice tower-crane foundation structure and construction method Download PDFInfo
- Publication number
- CN108086344A CN108086344A CN201711386639.8A CN201711386639A CN108086344A CN 108086344 A CN108086344 A CN 108086344A CN 201711386639 A CN201711386639 A CN 201711386639A CN 108086344 A CN108086344 A CN 108086344A
- Authority
- CN
- China
- Prior art keywords
- lattice
- lattice column
- tower crane
- tower
- crane
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
The invention discloses a kind of lattice tower-crane foundation structure and construction method, wherein tower-crane foundation structure includes four lattice columns and four cast-in-situ bored piles arranged on bottom of foundation ditch, and the lower end of four lattice columns is fixedly connected respectively with four cast-in-situ bored piles；Support rod is equipped between adjacent two lattice columns；Lattice column upper end is equipped with tower crane bearing platform；Lattice column includes four angle steel, and adjacent two angle steel are fixedly connected by the batten plate being equipped with；Tower crane bearing platform includes being arranged on the anchor plate above lattice column.The invention discloses a kind of lattice tower-crane foundation structures and construction method to reduce construction cost, shortens the construction period, improves the stability of tower crane.
Description
Technical field
The present invention relates to the structure and construction method of tower crane, more specifically a kind of lattice tower-crane foundation structure
And construction method.
Background technology
During foundation pit construction, tower crane is essential equipment.At present, generally using concrete-pile as tower crane
Basis, using concrete-pile, as tower crane, not only construction cost is high, but also the duration constructed is longer.Also have using steel at present
For structure as tower crane, but since structure and installation settings obtain unreasonable, the stability for making tower crane entirety is poor, resists
Ability of toppling is weaker.
Therefore, it is necessary to design a kind of tower crane that can lower construction cost, shortening construction period and raising stability
Structure and construction method.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of lattice tower-crane foundation structure and construction parties
Method.
To achieve the above object, the present invention uses following technical scheme：A kind of lattice tower-crane foundation structure, including four
Lattice column and four cast-in-situ bored piles arranged on bottom of foundation ditch, the lower end of four lattice columns are consolidated respectively with four cast-in-situ bored piles
Fixed connection；Support rod is equipped between adjacent two lattice columns；The lattice column upper end is equipped with tower crane bearing platform；The lattice column bag
Four angle steel are included, adjacent two angle steel are fixedly connected by the batten plate being equipped with；The tower crane bearing platform includes being arranged on above lattice column
Anchor plate.
Its further technical solution is：The support rod includes horizontal brace and diagonal brace.
Its further technical solution is：Coupling bar is additionally provided on the outside of the lattice column, the coupling bar includes horizontal fixed
The horizontal drawknot bar and inclination that are connected on the outside of two neighboring lattice column are fixedly linked in the oblique pull on the outside of two neighboring lattice column
Drawknot bar.
Its further technical solution is：The lattice column and the outer end of the connection place of the cast-in-situ bored pile are equipped with water-stopping steel
Plate.
A kind of construction method of lattice tower crane, the described method includes：
It determines tower crane model and tower crane position location, and carries out bore operation；
Lattice column and steel reinforcement cage are made, the lattice column made and steel reinforcement cage are welded and fixed in cage mouth, and is transferred to brill
In hole；
The casting concrete into drilling makes steel reinforcement cage form cast-in-situ bored pile, to anchor lattice column；
During earth excavation to tower crane bearing platform bottom absolute altitude, tower crane bearing platform construction is carried out；
Continue earth excavation, until completing first of the horizontal drawknot bar and first of oblique pull drawknot bar of lattice column, start
Tower crane is installed；
The use of tentative tower crane, continues earth excavation, until completing the horizontal drawknot bar of second and second of lattice column
Oblique pull drawknot bar；
And so on, using contrary sequence method until completing the installation of all horizontal drawknot bars and oblique pull drawknot bar of lattice column,
It finally constructs to base plate of foundation pit, and antirust, anti-corrosive processing is carried out to lattice column.
Its further technical solution is：The casting concrete into drilling makes steel reinforcement cage form cast-in-situ bored pile, with anchor
Gu in the step of lattice column, the depth that lattice column is anchored in drilling is more than 4.5 meters.
Its further technical solution is：The casting concrete into drilling makes steel reinforcement cage form cast-in-situ bored pile, with anchor
Gu in the step of lattice column, the outer end of the anchoring of cast-in-situ bored pile and lattice column is equipped with steel plate for sealing water.
Its further technical solution is：The spacing distance of first of horizontal drawknot bar and second to drawknot bar is 4 meters.
Its further technical solution is：The definite tower crane model and tower crane position location, and carry out bore operation
In step, the bore operation is drilled using rotary drilling rig equipment.
Compared with the prior art, the invention has the advantages that：A kind of lattice tower-crane foundation structure provided by the invention and
In construction method, using four lattice columns, four cast-in-situ bored piles and tower crane bearing platform, the lower ends of four lattice columns respectively with four
Cast-in-situ bored pile is fixedly connected, and support rod is equipped between adjacent two lattice columns, enhances the stability between lattice column.Separately
Outside, lattice column installation is more convenient, can shorten the construction period, and it is relatively low to manufacture cost.
Above description is only the general introduction of technical solution of the present invention, can in order to better understand technical measure
Content according to specification is practiced, and in order to make above and other objects of the present invention, feature and advantage brighter
Aobvious understandable, special below to lift preferred embodiment, detailed description are as follows.
Description of the drawings
Fig. 1 is a kind of structure diagram of lattice tower-crane foundation structure specific embodiment of the present invention；
Fig. 2 is the structure diagram of coupling bar in a kind of lattice tower-crane foundation structure specific embodiment of the present invention；
Fig. 3 is the arrangement of reinforcement of tower crane bearing platform in a kind of lattice tower-crane foundation structure specific embodiment of the present invention；
Fig. 4 is the schematic diagram of lattice column in a kind of lattice tower-crane foundation structure specific embodiment of the present invention；
Fig. 5 is the floor map of tower crane bearing platform in a kind of lattice tower-crane foundation structure specific embodiment of the present invention；
Fig. 6 is a kind of flow chart of the construction method specific embodiment of lattice tower crane of the present invention.
Reference numeral
1st, lattice column；11st, batten plate；12nd, angle steel；2nd, tower crane bearing platform；21st, anchor plate；22nd, concealed beam；3rd, cast-in-situ bored pile；
4th, bed course；41st, steel plate for sealing water；5th, coupling bar；51st, horizontal drawknot bar；52nd, oblique pull drawknot bar.
Specific embodiment
In order to more fully understand the present invention technology contents, with reference to specific embodiment to technical scheme into
One step introduction and explanation, but not limited to this.
The specific embodiment shown in -5 is please referred to Fig.1, present embodiments provides a kind of lattice tower-crane foundation structure, the knot
Structure includes four lattice columns 1 and four cast-in-situ bored piles 3 arranged on bottom of foundation ditch, and four lattice columns 1 surround a square shape
Shape.The lower end of four lattice columns 1 is fixedly connected respectively with four cast-in-situ bored piles 3；Branch is equipped between adjacent two lattice columns 1
Supporting rod part, support rod include horizontal brace and diagonal brace；1 upper end of lattice column is equipped with tower crane bearing platform 2；Lattice column 1 includes four angle steel
12, adjacent two angle steel 12 are fixedly connected by the batten plate 11 being equipped with；The support portion that tower crane bearing platform 2 is equipped with foundation pit both sides is consolidated
Fixed connection；Tower crane bearing platform 2 includes the anchor plate 21 for being arranged on 1 top of lattice column, and anchor plate is equipped with the concealed beam 22 for improving intensity.
Wherein, bored pile is the then concrete perfusion into drilling by placing steel reinforcement cage in drilling, wait concrete settings and
It is formed.
Further, 1 outside of lattice column is additionally provided with coupling bar 5, and coupling bar 5 is fixedly linked in two neighboring lattice including level
The horizontal drawknot bar 51 in 1 outside of structure column and inclination are fixedly linked in the oblique pull drawknot bar 52 in two neighboring 1 outside of lattice column.Connection
5 every 4 meters of extension bar, which is set, together, further improves the whole stability of lattice column 1.
Further, the outer end of the connection place of lattice column 1 and cast-in-situ bored pile 3 is equipped with steel plate for sealing water 41, in the present embodiment,
Steel plate for sealing water 41 is zinc-plated steel plate for sealing water 41, improves sealing performance.41 outside of steel plate for sealing water is bed course 4, is further improved
The stability of lattice column 1.
Summary：In a kind of lattice tower-crane foundation structure provided by the invention, using four lattice columns, 1, four brill
Hole pouring pile 3 and tower crane bearing platform 2, the lower end of four lattice columns 1 are fixedly connected respectively with four cast-in-situ bored piles 3, adjacent two
Between lattice column 1 be equipped with support rod, enhance the stability between lattice column 1, in addition, lattice column 1 install it is more convenient,
It can shorten the construction period, and it is relatively low to manufacture cost.
Referring to Fig. 6, this implementation additionally provides the construction method of above-mentioned lattice tower-crane foundation structure, this method includes：
S10, tower crane model and tower crane position location are determined, and carries out bore operation；
S20, lattice column and steel reinforcement cage are made, the lattice column made and steel reinforcement cage in cage mouth is welded and fixed, and transferred
To drilling；
S30, the casting concrete into drilling make steel reinforcement cage form cast-in-situ bored pile, to anchor lattice column；
When S40, earth excavation to tower crane bearing platform bottom absolute altitude, tower crane bearing platform construction is carried out；
S50, earth excavation is continued, until first of the horizontal drawknot bar and first of oblique pull drawknot bar of lattice column are completed,
Start that tower crane is installed；
The use of S60, tentative tower crane continue earth excavation, until completing the horizontal drawknot bar of second and the of lattice column
Two oblique pull drawknot bars；
S70, and so on, using contrary sequence method until completing all horizontal drawknot bars of lattice column and the peace of oblique pull drawknot bar
Dress, finally constructs to base plate of foundation pit, and carries out antirust, anti-corrosive processing to lattice column.
In step S10, bore operation is drilled using rotary drilling rig equipment.
In step S20, lattice column and steel reinforcement cage are transferred to drilling using loop wheel machine, steel reinforcement cage need to be totally placed in drilling
Interior, in the insertion drilling of lattice column end portion, it is outer that drilling is stretched out in upper part.
In step S30, the depth that lattice column is anchored in drilling is more than 4.5 meters.Purpose is to ensure the steady of lattice column
It is qualitative.Bed course is equipped in the outer end of cast-in-situ bored pile and lattice column anchoring, is equipped with steel plate for sealing water in bed course, in the present embodiment, only
Water steel plate is using zinc-plated steel plate for sealing water.
In step S50, when installing tower crane, it is necessary to confirm that the concrete of perfusion in drilling needs to reach more than 95% and sets
When counting intensity, just start to construct.
Further, the spacing distance of first of horizontal drawknot bar and second to drawknot bar is 4 meters.
Specifically, in step S20, making lattice column includes four lattice columns, and support is equipped between adjacent two lattice columns
Bar portion, support rod include horizontal brace and diagonal brace；Lattice column upper end is equipped with tower crane bearing platform；Lattice column includes four angle steel, adjacent
Two angle steel are fixedly connected by the batten plate being equipped with；The support portion that tower crane bearing platform is equipped with foundation pit both sides is fixedly connected；Tower crane is held
Platform includes being arranged on the anchor plate above lattice column.
It is above-mentioned only with embodiment come the technology contents that further illustrate the present invention, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by the present invention's
Protection.Protection scope of the present invention is subject to claims.
Claims (9)
- A kind of 1. lattice tower-crane foundation structure, which is characterized in that four brills including four lattice columns and arranged on bottom of foundation ditch Hole pouring pile, the lower end of four lattice columns are fixedly connected respectively with four cast-in-situ bored piles；It is equipped between adjacent two lattice columns Support rod；The lattice column upper end is equipped with tower crane bearing platform；The lattice column includes four angle steel, and adjacent two angle steel are by setting Some batten plates are fixedly connected；The tower crane bearing platform includes being arranged on the anchor plate above lattice column.
- 2. a kind of lattice tower-crane foundation structure according to claim 1, which is characterized in that the support rod includes water It supports and diagonal brace.
- 3. a kind of lattice tower-crane foundation structure according to claim 1, which is characterized in that also set on the outside of the lattice column There is coupling bar, the coupling bar includes the horizontal horizontal drawknot bar being fixedly linked on the outside of two neighboring lattice column and tilts solid Surely the oblique pull drawknot bar being connected on the outside of two neighboring lattice column.
- 4. a kind of lattice tower-crane foundation structure according to claim 1, which is characterized in that the lattice column and the brill The outer end of the connection place of hole pouring pile is equipped with steel plate for sealing water.
- 5. a kind of construction method of lattice tower crane, which is characterized in that the described method includes：It determines tower crane model and tower crane position location, and carries out bore operation；Lattice column and steel reinforcement cage are made, the lattice column made and steel reinforcement cage are welded and fixed in cage mouth, and is transferred to drilling；The casting concrete into drilling makes steel reinforcement cage form cast-in-situ bored pile, to anchor lattice column；During earth excavation to tower crane bearing platform bottom absolute altitude, tower crane bearing platform construction is carried out；Continue earth excavation, until completing first of the horizontal drawknot bar and first of oblique pull drawknot bar of lattice column, start to install Tower crane；The use of tentative tower crane, continues earth excavation, until completing the horizontal drawknot bar of second of lattice column and second oblique pull Drawknot bar；And so on, using contrary sequence method until completing the installation of all horizontal drawknot bars and oblique pull drawknot bar of lattice column, finally It constructs to base plate of foundation pit, and antirust, anti-corrosive processing is carried out to lattice column.
- 6. the construction method of a kind of lattice tower crane according to claim 5, which is characterized in that described into drilling Casting concrete makes steel reinforcement cage form cast-in-situ bored pile, the step of to anchor lattice column in, lattice column is anchored in the depth in drilling Degree is more than 4.5 meters.
- 7. the construction method of a kind of lattice tower crane according to claim 5, which is characterized in that described into drilling Casting concrete makes steel reinforcement cage form cast-in-situ bored pile, the step of to anchor lattice column in, the anchor of cast-in-situ bored pile and lattice column Solid outer end be equipped with steel plate for sealing water.
- A kind of 8. construction method of lattice tower crane according to claim 5, which is characterized in that first of the water The spacing distance of horizontal drawing knot bar and second to drawknot bar is 4 meters.
- A kind of 9. construction method of lattice tower crane according to claim 5, which is characterized in that the definite tower crane Model and tower crane position location, and the step of carry out bore operation in, the bore operation is carried out using rotary drilling rig equipment Drilling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386639.8A CN108086344A (en) | 2017-12-20 | 2017-12-20 | A kind of lattice tower-crane foundation structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386639.8A CN108086344A (en) | 2017-12-20 | 2017-12-20 | A kind of lattice tower-crane foundation structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108086344A true CN108086344A (en) | 2018-05-29 |
Family
ID=62177539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711386639.8A Pending CN108086344A (en) | 2017-12-20 | 2017-12-20 | A kind of lattice tower-crane foundation structure and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108086344A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750686A (en) * | 2019-01-07 | 2019-05-14 | 上海建工一建集团有限公司 | A kind of tower crane is connected the construction method and structure of shared stand column pile with support |
| CN112227409A (en) * | 2020-10-30 | 2021-01-15 | 中国建筑第四工程局有限公司 | Combined tower crane foundation structure utilizing support piles and construction method |
| CN112343077A (en) * | 2020-11-30 | 2021-02-09 | 中天建设集团有限公司 | High-pile bearing platform tower footing reinforcing construction method for improving reliability and reinforcing structure thereof |
| CN113323010A (en) * | 2021-05-17 | 2021-08-31 | 宇旺建工集团有限公司 | Construction method of embedded tower crane foundation |
| CN114703887A (en) * | 2022-04-29 | 2022-07-05 | 中国十九冶集团有限公司 | Construction method of high-pile bearing platform tower crane foundation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201053123Y (en) * | 2007-06-28 | 2008-04-30 | 宏润建设集团股份有限公司 | Deep foundation ditch tower crane platform base frame |
| CN101240550A (en) * | 2007-12-26 | 2008-08-13 | 浙江省长城建设集团股份有限公司 | Construction method for lattice type steel column tower crane pedestal |
| CN203034476U (en) * | 2013-02-04 | 2013-07-03 | 中天建设集团有限公司 | Tower crane base structure in type of combination of steel latticework columns and concrete bearing platform shaped like Chinese character 'hui' |
| CN103498482A (en) * | 2013-09-30 | 2014-01-08 | 上海建工七建集团有限公司 | Three-pile lattice type combined tower crane foundation structure |
| CN203531002U (en) * | 2013-10-12 | 2014-04-09 | 中建八局第三建设有限公司 | Steel platform tower crane foundation |
| CN203795458U (en) * | 2014-03-31 | 2014-08-27 | 上海绿地建设(集团)有限公司 | Bearing-platform-free lattice-type tower crane foundation device capable of traversing basement |
| CN205676913U (en) * | 2016-04-01 | 2016-11-09 | 江苏庞源机械工程有限公司 | Lattice pillar tower-crane foundation structure |
-
2017
- 2017-12-20 CN CN201711386639.8A patent/CN108086344A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201053123Y (en) * | 2007-06-28 | 2008-04-30 | 宏润建设集团股份有限公司 | Deep foundation ditch tower crane platform base frame |
| CN101240550A (en) * | 2007-12-26 | 2008-08-13 | 浙江省长城建设集团股份有限公司 | Construction method for lattice type steel column tower crane pedestal |
| CN203034476U (en) * | 2013-02-04 | 2013-07-03 | 中天建设集团有限公司 | Tower crane base structure in type of combination of steel latticework columns and concrete bearing platform shaped like Chinese character 'hui' |
| CN103498482A (en) * | 2013-09-30 | 2014-01-08 | 上海建工七建集团有限公司 | Three-pile lattice type combined tower crane foundation structure |
| CN203531002U (en) * | 2013-10-12 | 2014-04-09 | 中建八局第三建设有限公司 | Steel platform tower crane foundation |
| CN203795458U (en) * | 2014-03-31 | 2014-08-27 | 上海绿地建设(集团)有限公司 | Bearing-platform-free lattice-type tower crane foundation device capable of traversing basement |
| CN205676913U (en) * | 2016-04-01 | 2016-11-09 | 江苏庞源机械工程有限公司 | Lattice pillar tower-crane foundation structure |
Non-Patent Citations (1)
| Title |
|---|
| 袁晓虎: "深基坑塔吊基础逆作法实践", 《中华民居（下旬刊）》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750686A (en) * | 2019-01-07 | 2019-05-14 | 上海建工一建集团有限公司 | A kind of tower crane is connected the construction method and structure of shared stand column pile with support |
| CN112227409A (en) * | 2020-10-30 | 2021-01-15 | 中国建筑第四工程局有限公司 | Combined tower crane foundation structure utilizing support piles and construction method |
| CN112343077A (en) * | 2020-11-30 | 2021-02-09 | 中天建设集团有限公司 | High-pile bearing platform tower footing reinforcing construction method for improving reliability and reinforcing structure thereof |
| CN113323010A (en) * | 2021-05-17 | 2021-08-31 | 宇旺建工集团有限公司 | Construction method of embedded tower crane foundation |
| CN114703887A (en) * | 2022-04-29 | 2022-07-05 | 中国十九冶集团有限公司 | Construction method of high-pile bearing platform tower crane foundation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108086344A (en) | A kind of lattice tower-crane foundation structure and construction method | |
| CN103195076B (en) | Muddy Bottoms deep-excavation tower crane foundation construction method | |
| CN104264902B (en) | Steel pipe concrete column and pile foundation connection structure | |
| CN102635120A (en) | Supportless construction structure and supportless construction method for round deep base pit | |
| CN205024712U (en) | Combined tower crane foundation | |
| CN103397667A (en) | Existing building direct storey-adding foundation structure and construction method thereof | |
| CN107842046A (en) | A kind of strengthening of foundation error-correction structure and the method for strengthening of foundation correction | |
| CN102864780A (en) | Supporting structure and supporting method of foundation pit | |
| CN101736757A (en) | Two-way synchronous construction method of tube structure of high-rise building | |
| CN103469803A (en) | Pile beam vertical anchor support system used for supporting foundation pit and construction method of pile beam vertical anchor support system | |
| CN107313424A (en) | A kind of building aseismicity pile foundation and construction method | |
| CN104878786B (en) | Tiltedly orthogonal is for group's Pile-soil-structure Interaction experimental model | |
| CN104790423B (en) | A kind of large-scale transmission tower is combined and expands top bored concrete pile foundation | |
| CN209585054U (en) | Be used for foundation ditch to speedily carry out rescue work emergent bracing fast | |
| CN202144598U (en) | Sunk type underground structure | |
| CN107476316B (en) | Building foundation pit internal and external support structure and construction method | |
| CN102220764B (en) | Construction method of deep foundation pit bracing system | |
| CN204590059U (en) | A kind of combined type tower-crane foundation structure | |
| CN201991013U (en) | High-piled tower footing structure of tower crane concrete-filled steel tube | |
| CN202416252U (en) | L-shaped flood prevention retaining wall with high piles | |
| CN204753656U (en) | A clump of piles - soil - structure interact experimental model directly replaces to one side | |
| CN204898684U (en) | Super dark excavation supporting system | |
| CN111535333A (en) | Complicated reconstruction foundation pit engineering pile foundation structure and construction method | |
| CN103711123B (en) | The construction method of bamboo joint type mortar pile | |
| CN206562618U (en) | A kind of basin excavation steel structure horizontal bracing unit |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180529 |
|
| RJ01 | Rejection of invention patent application after publication |