CN107060305A - External wall construction operating platform and construction method - Google Patents
External wall construction operating platform and construction method Download PDFInfo
- Publication number
- CN107060305A CN107060305A CN201710282140.6A CN201710282140A CN107060305A CN 107060305 A CN107060305 A CN 107060305A CN 201710282140 A CN201710282140 A CN 201710282140A CN 107060305 A CN107060305 A CN 107060305A
- Authority
- CN
- China
- Prior art keywords
- operating platform
- fixed
- suspending assembly
- construction
- external wall
- 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
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Classifications
-
- 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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/20—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by walls
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
Abstract
The present invention relates to construction engineering technical field, there is provided a kind of external wall construction operating platform, including suspending assembly and operating platform component；Suspending assembly includes bottom plate, the first suspension member, the second suspension member, and hangs groove by the U-shaped that they form；Fixed structure is provided with first suspension member；Operating platform component includes rectangular frame；Rectangular frame upper surface is provided with landing slab, and the bottom of rectangular frame is fixed with the column extended downwardly.The operating platform is simple in construction, easy for installation.Use the construction method of external wall construction operating platform, including fixed suspending assembly；Operating platform component is hung, upper strata operating platform is formed and is constructed for workman；On upper strata, suspending assembly is fixed by the lower floor of operating platform；Operating platform component is hung, lower level operations platform is formed；After the completion of being constructed to wall outer side, upper strata operating platform component is removed；Repeat the above steps and complete wall construction downwards successively.The construction method, construction safety, efficiency of construction is high.
Description
Technical field
The present invention relates to construction engineering technical field, more particularly to a kind of external wall construction operating platform.
Background technology
Project traditional construction scene is built in room, and building surrounding generally sets up floor scaffolding or builder's jack and safety is anti-
Protecting wire net, prevents falling object from high altitude and protection workmen's safety.This structure sets up the steel pipe, fastener, safety that quantities is big, need
Netting index amount is more, and cost is high；Scaffold building must in advance construct or be constructed together with major project, and the construction period is long, makes
The potential safety hazard obtained in installation process is more.
Project is built using a kind of tunnel form construction mode in existing room, and the template of the form of construction work is the big punching block version of tunnel type,
It is characterized in every layer of wall and slab form integral installation and dismounting, wall and floor Pouring concrete at the same time.This structure is taken
If scaffold will influence the rapid construction of tunnel mould, therefore be not easy to set up scaffold in work progress, major structure of construction is treated
After the completion of set up scaffold again and cost can be caused to increase again, it is impossible to play the quick advantage of tunnel form construction.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of high external wall construction operating platform of efficiency of construction.
The technical solution adopted for the present invention to solve the technical problems is：External wall construction operating platform, including suspending assembly
With the operating platform component hung on suspending assembly；The suspending assembly includes bottom plate, is fixed on first suspension member at bottom plate two ends
With the second suspension member and the fixed structure being arranged on the first suspension member；The bottom plate, the first suspension member and the second suspension member formation U-shaped
Hang groove；The operating platform component includes being welded successively by first crossbeam, the first longeron, second cross beam, the second longeron
Rectangular frame；The rectangular frame upper surface is provided with landing slab；The bottom of first longeron is fixed with to downward
The column stretched.
Further, the first crossbeam, second cross beam stretch out to form two respectively with the end that the first longeron is connected
Individual tie-beam；The end of the tie-beam is fixed with connector vertically downward；The bottom of described two connectors passes through first
Drop in beam is fixedly connected；The bottom of the column is fixed with and direction identical connecting plate parallel with the tie-beam.
Further, the quantity of the column is two；Described two columns are separately fixed at the two of first longeron
End；The quantity of the connecting plate is two, and the end of described two connecting plates is fixedly connected by the second drop in beam.
Further, being horizontally disposed with second drop in beam has a through hole, and through the fixture of through hole.
Further, it is fixed with second longeron on the breast board post upwardly extended, the breast board post and is fixed with breast board.
Further, the bottom of the column is fixedly connected by least one bearing diagonal with second longeron.
Further, the first crossbeam, be fixed with least one pair of suspension ring on second cross beam；With suspension ring on the landing slab
Corresponding position is provided with suspension ring hole.
A kind of construction method of use external wall construction operating platform, comprises the following steps：
Step one, suspending assembly is fixed on the top layer on the outside of building masonry wall；
Step 2, the U-shaped that the first drop in beam on operating platform component is hung over into suspending assembly is hung in groove, forms upper strata behaviour
Make platform；Workmen constructs on the operating platform of upper strata to wall outer side；
Step 3, while workmen carries out construction construction on the operating platform of upper strata to wall outer side, in upper strata behaviour
Suspending assembly is fixed by the lower floor for making platform；
Step 4, the U-shaped that the first drop in beam on operating platform component is hung over into lower floor's suspending assembly is hung in groove, under formation
Layer operation platform；
Step 5, after the completion of construction, removes upper strata operating platform component and suspending assembly；Workmen is flat in lower level operations
Platform is constructed；Lower level operations platform forms new upper strata operating platform；
Step 6, repeat step three, Step 4: step 5.
Further, in the step one and step 3, the suspending assembly of same layer is multiple；The step 2 and step
In four, multiple operating platform components are hung on suspending assembly successively, shape operating platform in a row, workmen is from operating platform
One end wall outer side is constructed to the other end.
The beneficial effects of the invention are as follows：External wall construction operating platform, simple in construction, easy for installation, the later stage can repeat to install
Use；Suspending assembly and operating platform component are installed separately, because the volume and weight of suspending assembly is far smaller than operating platform
Component, thus it is safer during suspending assembly installation, it is more efficient；The hanging of operating platform component can hung by once lifting
On hanging component, do not lose time, mount and dismount efficiency high.
Using the construction method of external wall construction operating platform, pass through two layers of operating platform above and below setting, workmen's alternating
The method of construction, improves efficiency of construction, has saved the cost of manufacture construction operation platform.
Brief description of the drawings
Fig. 1 is the scheme of installation of the external wall construction operating platform of the present invention；
Fig. 2 is the structural representation of the suspending assembly of the external wall construction operating platform of the present invention；
Fig. 3 be the present invention external wall construction operating platform operating platform component in remove landing slab structural representation.
Reference is in figure：1- suspending assemblies, 2- operating platform components, 3- first crossbeams, the longerons of 4- first, 5- second
Crossbeam, the longerons of 6- second, 7- landing slabs, 8- columns, 9- tie-beams, 10- connectors, the drop in beams of 11- first, 12- connecting plates, 13-
Second drop in beam, 14- through holes, 15- nuts, 16- breast board posts, 17- breast boards, 18- bearing diagonals, 19- suspension ring, 20- walls, 21- is fixed
Part, 101- bottom plates, the suspension members of 102- first, the suspension members of 103- second, 104-U shapes hanging groove, 105- thread spindles.
Embodiment
The present invention will be further described with reference to the accompanying drawings and examples：
As shown in Figure 1 to Figure 3, external wall construction operating platform of the present invention, including suspending assembly 1 and hang over hanging group
Operating platform component 2 on part 1；The suspending assembly 1 includes bottom plate 101, is fixed on first suspension member 102 at the two ends of bottom plate 101
With the second suspension member 103 and the fixed structure being arranged on the first suspension member 102；The bottom plate 101, the first suspension member 102 and second
Suspension member formation U-shaped hanging groove 104；The operating platform component 2 is included by first crossbeam 3, the first longeron 4, second cross beam 5, the
The rectangular frame that two longerons 6 are welded successively；The rectangular frame upper surface is provided with landing slab 7；Described first indulges
The bottom of beam 4 is fixed with the column 8 extended downwardly.
As shown in Fig. 2 the suspending assembly 1 can be welded using channel-section steel, square steel, angle steel etc.；Due in same transverse
In the case of area, the intensity highest of channel-section steel in above-mentioned several shaped steel, therefore, in the feelings for the structural strength for meeting suspending assembly 1
Under condition, preferentially from channel-section steel, the weight of suspending assembly 1 can be reduced, and potential safety hazard when installing can be reduced.The fixed knot
Structure can be the stud nut component being removably attachable on the first suspension member 102, be combined by stud nut by suspending assembly 1
It is fixed on wall 20；It is preferred that, the fixed structure is that level is welded on the upper end of the first suspension member 102 and towards remote
From the thread spindle 105 for the direction extension that U-shaped hangs groove 104, and it is screwed in the nut 15 of the end of thread spindle 105, the thread spindle
105 can provide bigger pretightning force than ordinary carbon steel using high strength steel manufacture, high strength steel.When fixed, thread spindle 105 is worn
The wall-through hole crossed on wall 20, the wall-through hole is reserved by template when pouring wall 20, then at the end of thread spindle 105
Nut 15 is screwed in portion, by tightening nut 15, the first suspension member 102 is brought into close contact with the outside of wall 20, completes suspending assembly 1
It is fixed.The backing plate of thread spindle 105 can also be arranged through between the medial surface of nut 15 and wall 20, by setting backing plate,
The contact area of nut 15 and the medial surface of wall 20 is increased, pressure of the unit area top nut 15 to wall 20 is reduced, from
And add the stability of the suspending assembly 1 fixation.Nut 15 preferentially selects locking nut 15, prevents workman's shaking in operation
It is dynamic to cause nut 15 to skid off from thread spindle 105 to come off.
It is lightweight due to the small volume of the suspending assembly 1, therefore removed when the tunnel form to the outside of wall 20
Meanwhile, also several suspending assemblies 1 can be fixed in the outside of wall 20, the suspending assembly 1 neither influences workman to construct, and is also not present
Potential safety hazard；When preparing to construct to the outside of wall 20, operating platform component 2 is hung on suspending assembly 1, installed
Simply, installation effectiveness is high.
As shown in figure 3, the first crossbeam 3, the first longeron 4, second cross beam 5, the second longeron 6 are manufactured using channel-section steel, it
End be welded and fixed successively, formed rectangular frame.Landing slab 7 is fixedly arranged above in rectangular frame, workmen can
Stand and the outside of wall 20 is constructed on the landing slab 7.The column 8 is welded on the bottom of the first longeron 4, and and rectangle
Frame plane is vertical.When hanging operating platform component 2, the U-shaped that the first longeron 4 is hung at least two suspending assemblies 1 hangs groove
In 104, while column 8 is fitted with the outside of wall 20, column 8 play supporting role, it is ensured that the rectangular frame is in level
Position.
The stability hung for increase operating platform component 2, it is preferred that, the first crossbeam 3, second cross beam 5
The end being connected with the first longeron 4 stretches out to form two tie-beams 9 respectively；The end of the tie-beam 9 is fixed with vertically
Downward connector 10；The bottom of described two connectors 10 is fixedly connected by the first drop in beam 11；The bottom of the column 8 is consolidated
Surely there is and direction identical connecting plate 12 parallel with the tie-beam 9.The length of the column 8 is much larger than the connector 10
Length.By setting connector 10, the hanging space of the first drop in beam 11 is added；First drop in beam 11 is rectangle square steel,
Prevent the first drop in beam 11 from being rotated in U-shaped hanging groove 104；During hanging, first drop in beam 11 is placed exactly in the U-shaped hanging groove
In 104；Fitted with the outside of wall 20 end of the connecting plate 12, it is ensured that rectangular frame is horizontal.Further
, the height of second suspension member 103 is not more than the lower surface of first longeron 4 away from first drop in beam on the suspending assembly 1
The height of 11 lower surfaces.
To prevent the end of connecting plate 12 from causing damage to wall 20, the quantity of the column 8 is two；It is described two vertical
Post 8 is separately fixed at the two ends of first longeron 4；The quantity of the connecting plate 12 is also two, described two connecting plates 12
End be fixedly connected by the second drop in beam 13.Second drop in beam 13 is rectangle square steel, and the second drop in beam 13 passes through connecting plate 12
The lower end of column 8 is connected as entirety, the stability of operating platform component 2 is on the one hand added, on the other hand, during hanging, led to
The whole surface for crossing the second drop in beam 13 is fitted with the outside of wall 20, increases the contact area of the second drop in beam 13 and wall 20, drop
Low pressure of the unit area to the surface of wall 20, reduces the damage to the outside of wall 20.
Because the first drop in beam 11 on operating platform component 2 can be hung in the U-shaped hanging groove 104 of suspending assembly 1 along first
The axial movement of beam 11, has through hole 14, and pass through to increase to be horizontally disposed with the stability of the structure, second drop in beam 13
The fixture 21 of through hole 14.By fixture 21, the second drop in beam 13 is fixed on wall 20, operating platform component 2 is prevented
It is mobile；The fixture 21 can be the bolt through the second drop in beam 13 and wall 20, and be screwed in the nut of bolt end；Institute
State fixture and can also be circular shaft through the second drop in beam 13 and wall 20, and be arranged on the alignment pin at circular shaft two ends.
To ensure to be fixed with upwards on safety of the workman to the operation of the outside of wall 20 on landing slab 7, second longeron 6
The breast board post 16 of extension, breast board post 16 is to be fixed with breast board 17 on steel pipe, the breast board post 16.
The stability of the steel construction constituted for increase rectangular frame with column 8, the bottom of the column 8 passes through at least one
Individual bearing diagonal 18 is fixedly connected with second longeron 6.Increase after bearing diagonal 18, become the mode of transfer force of whole steel construction
Change, be changed into framework from frame structure and add frame structure of spreading out, the resistance to overturning of structure is substantially strengthened.
To make the lifting of operating platform component 2 convenient, at least one pair of suspension ring is fixed with the first crossbeam 3, second cross beam 5
19；Suspension ring hole is provided with the landing slab 7 with the corresponding position of suspension ring 19, the suspension ring 19 stretch out from suspension ring hole.Suspension ring
19 are arranged on the position of centre of gravity of the operating platform component 2；As a kind of preferred embodiment, in first crossbeam 3 and second cross beam 5
Two ends set two pairs of suspension ring 19 respectively, and the position of the suspension ring 19 neither influences workman to be constructed on landing slab 7, and can increase and hang
Stability during dress.
External wall construction operating platform of the present invention, because weight, the volume of suspending assembly 1 are all far smaller than operated and put down
Platform component 2；Suspending assembly 1 is first fixed on to the outside of wall 20, it is ensured that the security of lifting, then by once lifting just
Operating platform component 2 is hung in the U-shaped hanging groove 104 of suspending assembly 1, construction is simple, install quick, improve construction effect
Rate.
A kind of construction method of use external wall construction operating platform, comprises the following steps：
Step one, suspending assembly 1 is fixed on the top layer in the outside of building masonry wall 20；
Step 2, the U-shaped that the first drop in beam 11 on operating platform component 2 is hung over into suspending assembly 1 is hung in groove, in formation
Layer operation platform；Workmen constructs on the operating platform of upper strata to the outside of wall 20；
Step 3, while workmen constructs on the operating platform of upper strata to the outside of wall 20, in upper layer operation
Suspending assembly 1 is fixed by the lower floor of platform；
Step 4, the U-shaped that the first drop in beam 11 on operating platform component 2 is hung over into suspending assembly 1 is hung in groove 104, shape
Into lower level operations platform；
Step 5, after the completion of workmen constructs on the operating platform of upper strata to the outside of wall 20, layer operation in dismounting
Platform assembly 2 and suspending assembly 1；Workmen constructs on lower level operations platform to the outside of wall 20；Now lower floor grasps
New upper strata operating platform is formed as platform；
Step 6, repeat step three, step 4, step 5.
The construction method of the present invention, by the way that suspending assembly 1 to be fixed on to the outside of wall 20, then by operating platform component
2 hang on suspending assembly 1, and installation rate is fast, and by setting operating platform alternatively up and down, workmen can uninterruptedly be applied
Work, efficiency of construction is greatly improved.
Further to improve in efficiency of construction, the step one and step 3, the suspending assembly 1 of same layer is multiple；Institute
State in step 2 and step 4, multiple operating platform components 2 are hung on suspending assembly 1 successively, shape operating platform in a row,
Workmen constructs from one end of operating platform to the other end.
Claims (9)
1. external wall construction operating platform, it is characterised in that：Including suspending assembly (1) and hang over operation on suspending assembly (1) and put down
Platform component (2)；The suspending assembly (1) includes bottom plate (101), the first suspension member (102) for being fixed on bottom plate (101) two ends and the
Two suspension members (103) and the fixed structure being arranged on the first suspension member (102)；The bottom plate (101), the first suspension member (102) and
Second suspension member formation U-shaped hanging groove (104)；The operating platform component (2) include by first crossbeam (3), the first longeron (4),
The rectangular frame that second cross beam (5), the second longeron (6) are welded successively；The rectangular frame upper surface is provided with flat
Platen (7)；The bottom of first longeron (4) is fixed with the column (8) extended downwardly.
2. external wall construction operating platform according to claim 1, it is characterised in that：The first crossbeam (3), second cross beam
(5) end being connected with the first longeron (4) stretches out to form two tie-beams (9) respectively；The end of the tie-beam (9) is consolidated
Surely there is connector (10) vertically downward；The bottom of described two connectors (10) is fixedly connected by the first drop in beam (11)；Institute
The bottom for stating column (8) is fixed with and direction identical connecting plate (12) parallel with the tie-beam (9).
3. external wall construction operating platform according to claim 2, it is characterised in that：The quantity of the column (8) is two；
Described two columns (8) are separately fixed at the two ends of first longeron (4)；The quantity of the connecting plate (12) is two, institute
The end for stating two connecting plates (12) is fixedly connected by the second drop in beam (13).
4. external wall construction operating platform according to claim 3, it is characterised in that：Level is set on second drop in beam (13)
It is equipped with through hole (14), and through the fixture (21) of through hole (14).
5. external wall construction operating platform according to claim 1, it is characterised in that：It is fixed with second longeron (6)
Breast board (17) is fixed with the breast board post (16) upwardly extended, the breast board post (16).
6. external wall construction operating platform according to claim 1, it is characterised in that：The bottom of the column (8) passes through extremely
A few bearing diagonal (18) is fixedly connected with second longeron (6).
7. the external wall construction operating platform according to any claim in claim 1~6, it is characterised in that：Described
At least one pair of suspension ring (19) is fixed with one crossbeam (3), second cross beam (5)；With suspension ring (19) corresponding positions on the landing slab (7)
The place of putting is provided with suspension ring hole.
8. a kind of construction method of use external wall construction operating platform, it is characterised in that comprise the following steps：
Step one, suspending assembly (1) is fixed on the top layer on the outside of building masonry wall (20)；
Step 2, the U-shaped that the first drop in beam (11) on operating platform component (2) is hung over into suspending assembly (1) hangs groove (104)
It is interior, form upper strata operating platform；Workmen is on the operating platform of upper strata to being constructed on the outside of wall (20)；
Step 3, it is flat in upper layer operation while workmen constructs on the operating platform of upper strata to wall (20) outside
Suspending assembly (1) is fixed by the lower floor of platform；
Step 4, the U-shaped that the first drop in beam (11) on operating platform component (2) is hung over into lower floor's suspending assembly (1) hangs groove
(104) in, lower level operations platform is formed；
Step 5, after the completion of workmen is on the operating platform of upper strata to being constructed on the outside of wall (20), layer operation is put down in dismounting
Platform component (2) and suspending assembly (1)；Workmen is on lower level operations platform to being constructed on the outside of wall (20)；This is at present
Layer operation platform forms new upper strata operating platform；
Step 6, repeat step three, Step 4: step 5.
9. construction method according to claim 8, it is characterised in that：In the step one and step 3, same layer is hung
Hanging component (1) is multiple；In the step 2 and step 4, multiple operating platform components (2) are hung over into suspending assembly (1) successively
On, shape operating platform in a row, workmen is from one end of operating platform to the other end to being constructed on the outside of wall (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710282140.6A CN107060305A (en) | 2017-04-26 | 2017-04-26 | External wall construction operating platform and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710282140.6A CN107060305A (en) | 2017-04-26 | 2017-04-26 | External wall construction operating platform and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107060305A true CN107060305A (en) | 2017-08-18 |
Family
ID=59604622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710282140.6A Pending CN107060305A (en) | 2017-04-26 | 2017-04-26 | External wall construction operating platform and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107060305A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047601A (en) * | 2021-03-22 | 2021-06-29 | 江苏鑫宸宇建设有限公司 | External wall construction operation platform and construction method thereof |
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| CN201915612U (en) * | 2010-11-13 | 2011-08-03 | 天津星源石化工程有限公司 | Wall-hang type scaffold |
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| CN104074358A (en) * | 2014-07-02 | 2014-10-01 | 中铁二局股份有限公司 | Construction method of prefabricated assembled building |
| CN204126238U (en) * | 2014-07-17 | 2015-01-28 | 中建钢构有限公司 | Steel plate shear force wall operation platform and bracing frame thereof |
| CN204781887U (en) * | 2015-06-30 | 2015-11-18 | 上海宝冶集团有限公司 | Prefabricated assembly type structure's no outrigger construction platform |
| CN204899179U (en) * | 2015-09-10 | 2015-12-23 | 安徽宇辉新型建筑材料有限公司 | Prefabricated concrete structure goes along with sb. to guard him an equipment bearing structure outward |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08326304A (en) * | 1995-05-31 | 1996-12-10 | Natl House Ind Co Ltd | Scaffold mounting structure |
| CN201915612U (en) * | 2010-11-13 | 2011-08-03 | 天津星源石化工程有限公司 | Wall-hang type scaffold |
| CN202483154U (en) * | 2012-03-05 | 2012-10-10 | 中国核工业华兴建设有限公司 | High bearing capacity suspending scaffold |
| CN102979297A (en) * | 2012-12-15 | 2013-03-20 | 福州市第三建筑工程公司 | Hanging type stairwell operating platform mechanism and construction method thereof |
| CN104018656A (en) * | 2014-06-19 | 2014-09-03 | 中兴建设有限公司 | Scaffold construction method for prefabricated outer wall |
| CN104074358A (en) * | 2014-07-02 | 2014-10-01 | 中铁二局股份有限公司 | Construction method of prefabricated assembled building |
| CN204126238U (en) * | 2014-07-17 | 2015-01-28 | 中建钢构有限公司 | Steel plate shear force wall operation platform and bracing frame thereof |
| CN204781887U (en) * | 2015-06-30 | 2015-11-18 | 上海宝冶集团有限公司 | Prefabricated assembly type structure's no outrigger construction platform |
| CN204899179U (en) * | 2015-09-10 | 2015-12-23 | 安徽宇辉新型建筑材料有限公司 | Prefabricated concrete structure goes along with sb. to guard him an equipment bearing structure outward |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047601A (en) * | 2021-03-22 | 2021-06-29 | 江苏鑫宸宇建设有限公司 | External wall construction operation platform and construction method thereof |
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Application publication date: 20170818 |