CN110424784A - A kind of tower crane construction method of steel construction indirect cool tower - Google Patents
A kind of tower crane construction method of steel construction indirect cool tower Download PDFInfo
- Publication number
- CN110424784A CN110424784A CN201910724347.3A CN201910724347A CN110424784A CN 110424784 A CN110424784 A CN 110424784A CN 201910724347 A CN201910724347 A CN 201910724347A CN 110424784 A CN110424784 A CN 110424784A
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- tower
- indirect cool
- tower crane
- fixed type
- crane
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/10—Buildings forming part of cooling plants
- E04H5/12—Cooling towers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Jib Cranes (AREA)
Abstract
The present invention provides a kind of tower crane construction methods of steel construction indirect cool tower, belong to civil construction technical field.This method comprises: being used to cover the fixed type tower crane of the hoisting area of indirect cool tower cone section in the inside of the indirect cool tower arrangement portion m；After the completion of indirect cool tower cone section is built, it is used to cover the fixed type tower crane of the hoisting area of indirect cool tower direct tube section in the inside of the indirect cool tower arrangement portion n using the portion m fixed type tower crane, m, n are the integer more than or equal to 2；Using the reinforcing ring of several wall attaching rods the connection portion n fixed type tower cranes and indirect cool tower direct tube section, each wall attaching rod is connected to the different location of reinforcing ring；Wall attaching rod is connect by the construction that is articulated and connected with reinforcing ring and the portion n fixed type tower crane；The structure of wall attaching rod is space lattice formula structure；Judge whether each wall attaching rod is greater than preset threshold to the active force of indirect cool tower；If it is, upper strut and lower supporting rod is arranged.Using this method, the safety of the construction efficiency, fixed type tower crane and indirect cool tower of indirect cool tower can be improved.
Description
Technical field
The present invention relates to civil construction technical field, in particular to a kind of tower crane construction method of steel construction indirect cool tower.
Background technique
Current indirect cool tower is usually steel construction indirect cool tower, and steel construction indirect cool tower usually constitutes master by cone section and direct tube section etc.
Body structure, cone section are located at the lower part of direct tube section.Wherein, about 50 meters of section height are bored, is relatively large in diameter；Direct tube section height is up to 170 meters of left sides
The diameter on the right side, direct tube section is smaller than the diameter for boring section, and about 100 meters of the diameter of direct tube section or so.
The tower crane construction method of currently used a kind of steel construction indirect cool tower are as follows: between using crawler crane to build first
Then the cone section of cold tower builds the direct tube section of indirect cool tower using fixed type tower crane.
But crawler crane efficiency is lower, and it is more demanding to the endurance of walking road, in addition what it was built and disassembled
It is costly, lead to the higher cost of engineering.
Summary of the invention
The present invention provides a kind of tower crane construction method of steel construction indirect cool tower, to improve the construction efficiency and safety of indirect cool tower
Property.
To achieve the above object, the present invention provides a kind of tower crane construction method of steel construction indirect cool tower, the method packets
It includes:
It is used to cover the fixed type tower crane of the hoisting area of indirect cool tower cone section in the inside of the indirect cool tower arrangement portion m；
When the indirect cool tower cone section build after the completion of, using the portion m fixed type tower crane the indirect cool tower inside cloth
Set the fixed type tower crane of hoisting area of the portion n for covering indirect cool tower direct tube section, wherein m, n are the integer more than or equal to 2；
The reinforcing ring of the portion n fixed type tower crane and the indirect cool tower direct tube section is connected using several wall attaching rods, it is each attached
The one end of wall bar is connected to the different location of the reinforcing ring；Wherein, the wall attaching rod by articulated connection construction with it is described
Reinforcing ring is connected with the portion n fixed type tower crane；The structure of the wall attaching rod is space lattice formula structure；
Judge whether each wall attaching rod is greater than preset threshold to the active force of indirect cool tower；
If it is, upper strut and lower supporting rod are set in the end of the corresponding stiffener connecting with reinforcing ring of wall attaching rod,
To disperse the active force.
Optionally, the m is greater than or equal to the n.
Optionally, the portion m fixed type tower crane and the portion n fixed type tower crane equably divide along the circumferential direction of the indirect cool tower
Cloth is in the inside of the indirect cool tower.
Optionally, there are 2 or 2 or more tower crane models identical in the portion m fixed type tower crane.
Optionally, described cold between the inside of the indirect cool tower arrangement portion n is used to cover using the portion m fixed type tower crane
The fixed type tower crane of the hoisting area of tower direct tube section, comprising:
According to the region of the hoisting area of indirect cool tower direct tube section, the fixed type tower crane of covering area overlapping is removed；
The lifting for covering the indirect cool tower direct tube section is built again using the standard knot for the fixed type tower crane being removed
The fixed type tower crane in area, and/or the height for increasing the fixed type tower crane that do not remove.
Optionally, the m=n=2.
Optionally, one end of the wall attaching rod is connect by steel pipe with the cruciform gusset plate on the reinforcing ring, the other end
Otic placode is cut with scissors by pin to connect with the fixed type tower crane.
Optionally, the wall attaching rod is divided into 3, and per pass is provided with 3 wall attaching rods.
Optionally, the fixed type tower crane is boom-type tower crane.
The tower crane construction method of steel construction indirect cool tower provided by the invention is building indirect cool tower cone section and indirect cool tower direct tube section
During, be all made of fixed type tower crane, and the standard knot of the fixed type tower crane for building indirect cool tower cone section can by with
In the fixed type tower crane for building indirect cool tower direct tube section, the construction efficiency of indirect cool tower can be improved in this way, reduce the fee for showing up of tower crane
With reduction engineering cost；In addition, fixed type tower crane and indirect cool tower are articulated and connected using the wall attaching rod of space lattice formula,
And according to wall attaching rod to the size of the active force of indirect cool tower, strut and lower supporting rod in setting, to improve fixed type tower crane and cold
The safety of tower.
Detailed description of the invention
Fig. 1 is a kind of tower crane arrangement schematic diagram of indirect cool tower cone section provided by the invention；
Fig. 2 is a kind of tower crane arrangement schematic diagram of indirect cool tower direct tube section provided by the invention；
Fig. 3 is a kind of tower crane arrangement schematic diagram of indirect cool tower cone section provided by the invention；
Fig. 4 is a kind of structural schematic diagram of tower crane wall attaching rod provided by the invention；
Fig. 5 is the structural schematic diagram that a kind of tower crane wall attaching rod provided by the invention is connected with cruciform gusset plate connecting plate；
Fig. 6 is a kind of arrangement schematic diagram of indirect cool tower direct tube section wall attaching rod provided by the invention；
Fig. 7 is a kind of upper strut provided by the invention and lower supporting rod arrangement schematic diagram；
Fig. 8 is a kind of flow chart of the tower crane construction method of steel construction indirect cool tower provided by the invention.
[the reference numerals are as follows]:
1- indirect cool tower bores section；2- fixed type tower crane；3- fixed type tower crane；4- fixed type tower crane；5- indirect cool tower direct tube section；6-
Fixed type tower crane；7- fixed type tower crane；10- fixed type tower crane；11- fixed type tower crane；12- fixed type tower crane；The fixed tower of 13-
It hangs；14- wall attaching rod standard knot；15- wall attaching rod conversion section；16- pin hinge otic placode；17- steel pipe；18- cruciform gusset plate；It is cold between 19-
Stiffener inside tower；20- wall attaching rod；21- reinforcing ring；The upper strut of 22-；23- lower supporting rod；Extension rod on the inside of 24-.
Specific embodiment
To keep the purpose of the present invention, advantages and features clearer, below in conjunction with attached drawing to a kind of steel proposed by the present invention
The tower crane construction method of structure indirect cool tower is described in further detail.It should be noted that attached drawing is all made of very simplified form
And non-accurate ratio is used, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
The present invention provides a kind of tower crane construction method of steel construction indirect cool tower, this method is as shown in figure 8, include following step
It is rapid:
S101: it is used to cover the fixed type tower crane of the hoisting area of indirect cool tower cone section in the inside of the indirect cool tower arrangement portion m；Its
In, m is the integer more than or equal to 2.
In an implementation, when indirect cool tower cone section 1 has fraction region not to be fixed the covering of formula tower crane, it can use truck crane
It assists to complete lifting.
S102: it after the completion of indirect cool tower cone section is built, is used using the portion m fixed type tower crane in the inside of the indirect cool tower arrangement portion n
Fixed type tower crane in the hoisting area of covering indirect cool tower direct tube section；Wherein, n is the integer more than or equal to 2.
Optionally, m is greater than or equal to n.Optionally, m is equal to 2,3 or 4.For example, as depicted in figs. 1 and 2, it is cold between building
Tower can use 3 fixed type tower cranes when boring section 1, and 2 fixed tower cranes can be used when building indirect cool tower direct tube section 5.Wherein,
The indirect cool tower bores about 50 meters of section height, and indirect cool tower bores about 150 meters of 1 maximum gauge of section；5 about 170 meters of height of indirect cool tower direct tube section,
The diameter of cold tower direct tube section 5 is smaller than the diameter of indirect cool tower cone section 1, and about 100 meters of the diameter of indirect cool tower direct tube section 5 or so.Such as Fig. 3 institute
Show, for another concrete scheme provided in an embodiment of the present invention, 4 fixed towers can be used when building indirect cool tower cone section 1
It hangs.
It optionally, in this way can be in 2 fixed type tower cranes of indirect cool tower cone section 1 refering to what is shown in Fig. 2, m=n=2 can be enabled
On the basis of continue to build indirect cool tower direct tube section 5, and the fixed type tower crane that do not have to dismantle re-moves position.
S103: the reinforcing ring of several wall attaching rods the connection portion n fixed type tower cranes and indirect cool tower direct tube section, each wall attaching rod are utilized
One end be connected to the different location of reinforcing ring；Wherein, wall attaching rod is fixed with reinforcing ring and the portion n by articulated connection construction
Tower crane connection；The structure of wall attaching rod is space lattice formula structure.
Wall attaching rod is larger to the active force of indirect cool tower, is generally laid in indirect cool tower reinforcing ring position.To meet tower crane pair
Indirect cool tower direct tube section 5 lift all standing, general distance of the tower crane center away from indirect cool tower main structure farther out, generally 25 meters of left sides
The right side, thus wall attaching rod is longer.Because attached wall pole length is larger, and larger axle power is born, to mitigate wall attaching rod because of the two of self weight generation
Space lattice formula structure can be used in rank effect, wall attaching rod, and the structure of wall attaching rod is shown in Figure 4.The structure size of wall attaching rod, structure
Part section specification, connecting node construction etc. are checked in combination with computer simulation Construction Analysis technology.
Every wall attaching rod is different from the link position of reinforcing ring, and specific link position can be in conjunction with the stress feelings of indirect cool tower
Condition is determined, and can be dispersed fixed type tower crane in this way to the active force of indirect cool tower, be improved the peace of indirect cool tower and fixed type tower crane
Quan Xing.
In order to mitigate the added influence that the uncoordinated sedimentation of indirect cool tower and tower crane generates wall attaching rod, wall attaching rod both ends are preferably used
Articulated connection construction.Optionally, wall attaching rod and tower crane junction are hinged structures, and are converted to cross with indirect cool tower junction and connect
Connect construction.As shown in figure 4, wall attaching rod is made up of wall attaching rod standard knot 14 and wall attaching rod conversion section 15, it is arranged in one end and cuts with scissors
Steel pipe 17 is arranged in ear connecting plate 16, the other end.As shown in figure 5, steel pipe 17 is connect by welding with cruciform gusset plate 18,
In, cruciform gusset plate 18 is connect with stiffener 19 inside indirect cool tower.
Optionally, shown in referring to figs. 2 and 6,3 wall attaching rods can be set, the radical of per pass wall attaching rod is 3, to increase
The stability of strong fixed type tower crane.1 wall attaching rod refers to each wall attaching rod on same layer reinforcing ring.
S104: judge whether each wall attaching rod is greater than preset threshold to the active force of indirect cool tower.If it is, in wall attaching rod pair
Upper strut and lower supporting rod is arranged in the end for the stiffener connecting with reinforcing ring answered；If it is not, then not having to be arranged upper strut under
Strut.
In an implementation, it can judge that wall attaching rod is to the active force of indirect cool tower in conjunction with computer simulation Construction Analysis technology
It is no be greater than preset threshold when；If it is, upper strut and lower supporting rod is arranged in the end for the stiffener connecting with reinforcing ring, to divide
Dissipate the active force.As shown in fig. 7, tower crane wall attaching rod 20 is connected to the outside of reinforcing ring 21, extend in the inside of reinforcing ring 21
Upper strut 22 and lower supporting rod 23 is arranged in bar 24, to disperse the tower crane wall attaching rod 20 to the active force of indirect cool tower.
S105: upper strut and lower supporting rod are set in the end of the corresponding stiffener connecting with reinforcing ring of wall attaching rod, to divide
Dissipate the active force.
The tower crane construction method of steel construction indirect cool tower provided by the invention is building indirect cool tower cone section 1 and indirect cool tower straight tube
During section 5, it is all made of fixed type tower crane, and the standard knot of the fixed type tower crane for building indirect cool tower cone section 1 can be with
It is used to build the fixed type tower crane of indirect cool tower direct tube section 5, the construction efficiency of indirect cool tower can be improved in this way, reduce going out for tower crane
Field expense, reduces engineering cost；In addition, the wall attaching rod using space lattice formula is hingedly connected fixed type tower crane and indirect cool tower
Connect, and according to wall attaching rod to the size of the active force of indirect cool tower, strut and lower supporting rod in setting, with improve fixed type tower crane and
The safety of cold tower.
Method provided by the invention can be also used for the various buildings of cooling tower or similar indirect cool tower structure.
Optionally, the portion m fixed type tower crane and the portion n fixed type tower crane are evenly distributed in indirect cool tower along the circumferential direction of indirect cool tower
It is internal.As shown in Figure 1, fixed type tower crane 2-4 is along the circumferentially uniform inside for being distributed in indirect cool tower cone section 1 of indirect cool tower cone section 1；
As shown in Fig. 2, fixed type tower crane 6-7 is along the circumferentially uniform inside for being distributed in indirect cool tower direct tube section 5 of indirect cool tower direct tube section 5；
As shown in figure 3, fixed type tower crane 10-13 is along the circumferentially uniform inside for being distributed in indirect cool tower cone section 1 of indirect cool tower cone section 1.It adopts
With uniform distribution mode, the case where overlay area between tower crane is overlapped can reduce, increase total tower crane covering surface
Product.
Optionally, there are 2 or 2 or more tower crane models identical in the portion m fixed type tower crane.For example, consolidating in Fig. 3
The model of fixed pattern tower crane 10-13 has 2 or 2 or more tower crane models identical, can be with after the completion of indirect cool tower cone section 1 is built
It dismantles fixed type tower crane 11 and fixed type tower crane 13, the standard knot of split tower crane can be used for fixed type tower crane 10 and fixed
Tower crane 12, fixed type tower crane 10 and fixed type tower crane 12 can become fixed in Fig. 2 after increasing the standard knot of tower crane
Tower crane 6 and fixed type tower crane 7 can reduce the disengaging field expense of tower crane in this way.
Tower crane ground need to generally reach the foundation bearing force request of 150kPa or so, and the ground that crouches instantly is unable to satisfy when requiring
It should carry out foundation improvement or set pile foundation, basement process range cannot be less than tower crane range.Tower crane preferably uses bearing platform type
Isolated footing, general dimension of platform is larger, and about 8 meters × 8 meters × 1.8 meters, anti-overturning energy when tower crane operation is effectively ensured.
Tower crane ground and the concrete form on basis should all be computed determination according to specific tower crane model and stress performance.
A kind of tower crane construction method of steel construction indirect cool tower provided by the invention, can be with appliance computer sunykatuib analysis, really
Determine the specific configuration of tower crane overlength wall attaching rod, indirect cool tower reinforcement measure etc., it is ensured that the safety of indirect cool tower tower crane construction method.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, ability
Any change, the modification that the those of ordinary skill in domain does according to the disclosure above content, belong to claims of the present invention
Protection scope.
Claims (9)
1. a kind of tower crane construction method of steel construction indirect cool tower, which is characterized in that the described method includes:
It is used to cover the fixed type tower crane of the hoisting area of indirect cool tower cone section in the inside of the indirect cool tower arrangement portion m；
After the completion of indirect cool tower cone section is built, the portion n is arranged in the inside of the indirect cool tower using the portion m fixed type tower crane
For covering the fixed type tower crane of the hoisting area of indirect cool tower direct tube section, wherein m, n are the integer more than or equal to 2；
The reinforcing ring of the portion n fixed type tower crane and the indirect cool tower direct tube section, each wall attaching rod are connected using several wall attaching rods
One end be connected to the different location of the reinforcing ring；Wherein, the wall attaching rod passes through articulated connection construction and the reinforcement
Ring is connected with the portion n fixed type tower crane；The structure of the wall attaching rod is space lattice formula structure；
Judge whether each wall attaching rod is greater than preset threshold to the active force of indirect cool tower；
If it is, upper strut and lower supporting rod is arranged in the end of the corresponding stiffener connecting with reinforcing ring of wall attaching rod, to divide
Dissipate the active force.
2. a kind of tower crane construction method of steel construction indirect cool tower according to claim 1, which is characterized in that the m is greater than
Or it is equal to the n.
3. a kind of tower crane construction method of steel construction indirect cool tower according to claim 1 or 2, which is characterized in that the portion m
Fixed type tower crane and the portion n fixed type tower crane are evenly distributed in the inside of the indirect cool tower along the circumferential direction of the indirect cool tower.
4. a kind of tower crane construction method of steel construction indirect cool tower according to claim 3, which is characterized in that the portion m is solid
There are 2 or 2 or more tower crane models identical in fixed pattern tower crane.
5. a kind of tower crane construction method of steel construction indirect cool tower according to claim 4, which is characterized in that described to utilize institute
It states the portion m fixed type tower crane and is used to cover the fixed of the hoisting area of indirect cool tower direct tube section in the inside of the indirect cool tower arrangement portion n
Tower crane, comprising:
According to the region of the hoisting area of indirect cool tower direct tube section, the fixed type tower crane of covering area overlapping is removed；
The hoisting area for covering the indirect cool tower direct tube section is built again using the standard knot for the fixed type tower crane being removed
Fixed type tower crane, and/or the height for increasing the fixed type tower crane that do not remove.
6. a kind of tower crane construction method of steel construction indirect cool tower according to claim 1, which is characterized in that the m=n=
2。
7. a kind of tower crane construction method of steel construction indirect cool tower according to claim 1, which is characterized in that the wall attaching rod
One end connect with the cruciform gusset plate on the reinforcing ring by steel pipe, the other end passes through pin hinge otic placode and the fixed tower
Hang connection.
8. a kind of tower crane construction method of steel construction indirect cool tower according to claim 1, which is characterized in that the wall attaching rod
It is divided into 3, per pass is provided with 3 wall attaching rods.
9. a kind of tower crane construction method of steel construction indirect cool tower according to claim 1, which is characterized in that described fixed
Tower crane is boom-type tower crane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724347.3A CN110424784B (en) | 2019-08-07 | 2019-08-07 | Tower crane construction method of steel structure indirect cooling tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724347.3A CN110424784B (en) | 2019-08-07 | 2019-08-07 | Tower crane construction method of steel structure indirect cooling tower |
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| CN110424784A true CN110424784A (en) | 2019-11-08 |
| CN110424784B CN110424784B (en) | 2021-02-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336108A (en) * | 2021-04-21 | 2021-09-03 | 中国化学工程第三建设有限公司 | Movable mast tool for dismantling high-altitude tower crane in cooling tower |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2119471A1 (en) * | 1971-04-21 | 1972-10-26 | Ipari Epülettervezö Vallalat, Budapest | Large tower construction with a metal skeleton |
| CN103979437A (en) * | 2014-05-26 | 2014-08-13 | 上海市机械施工集团有限公司 | Tower crane wall attached member bar device |
| CN204980941U (en) * | 2015-06-19 | 2016-01-20 | 中天建设集团有限公司 | Tower crane that can make up different length attaches wall pole |
| CN106759883A (en) * | 2016-11-30 | 2017-05-31 | 上海市机械施工集团有限公司 | The tower crane construction method of large-scale steel structure air cooling tower |
| CN206529229U (en) * | 2017-02-27 | 2017-09-29 | 中建八局第三建设有限公司 | It is a kind of to increase the tower crane device of independence and freedom height |
| CN107826989A (en) * | 2017-11-07 | 2018-03-23 | 中国化学工程第三建设有限公司 | A kind of double tower for indirect cool tower installation hangs the installation method of adhering bar part |
-
2019
- 2019-08-07 CN CN201910724347.3A patent/CN110424784B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2119471A1 (en) * | 1971-04-21 | 1972-10-26 | Ipari Epülettervezö Vallalat, Budapest | Large tower construction with a metal skeleton |
| CN103979437A (en) * | 2014-05-26 | 2014-08-13 | 上海市机械施工集团有限公司 | Tower crane wall attached member bar device |
| CN204980941U (en) * | 2015-06-19 | 2016-01-20 | 中天建设集团有限公司 | Tower crane that can make up different length attaches wall pole |
| CN106759883A (en) * | 2016-11-30 | 2017-05-31 | 上海市机械施工集团有限公司 | The tower crane construction method of large-scale steel structure air cooling tower |
| CN206529229U (en) * | 2017-02-27 | 2017-09-29 | 中建八局第三建设有限公司 | It is a kind of to increase the tower crane device of independence and freedom height |
| CN107826989A (en) * | 2017-11-07 | 2018-03-23 | 中国化学工程第三建设有限公司 | A kind of double tower for indirect cool tower installation hangs the installation method of adhering bar part |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336108A (en) * | 2021-04-21 | 2021-09-03 | 中国化学工程第三建设有限公司 | Movable mast tool for dismantling high-altitude tower crane in cooling tower |
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| CN110424784B (en) | 2021-02-23 |
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