CN108018753A - A kind of porous pavement - Google Patents
A kind of porous pavement Download PDFInfo
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- CN108018753A CN108018753A CN201711131768.2A CN201711131768A CN108018753A CN 108018753 A CN108018753 A CN 108018753A CN 201711131768 A CN201711131768 A CN 201711131768A CN 108018753 A CN108018753 A CN 108018753A
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- supporter
- permeable
- supercrust
- porous pavement
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
- E01C11/226—Coherent pavings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of porous pavement, the porous pavement for solving the prior art runs into flood season, and basic supercrust is easily macerated by ponding, intensity decreases, the problem of causing upper strata permeable brick layer sedimentation, its key points of the technical solution are that：Including levelling basic unit, basic supercrust and the permeable surface layer set gradually from bottom to top, the basis supercrust includes spaced supporter, the packing space for being used for filling permeable matrix is formed between two adjacent supporters, the upper end of the supporter and permeable matrix forms the supporting surface for being used to support the permeable surface layer, has the advantages that to improve pavement strength, reduces roadbed subsidence phenomenon.
Description
Technical field
The present invention relates to road construction technical field, more specifically, it relates to a kind of porous pavement.
Background technology
At present when urban construction pavement, square are when public open space, to solve rainy day excess surface water or draining not
The problems such as smooth, through frequently with porous pavement of the laying water-permeable brick as these open spaces on normal concrete.
For example, Chinese invention patent, Application No. 201710186262.5, discloses a kind of porous pavement, its technical side
The main points of case are：Including levelling basic unit, basic supercrust and the permeable brick layer set gradually from lower to upper, the basis supercrust
It is laid with and is formed successively by some pieces of porous base course bricks；The permeable brick layer is laid with by some water-permeable bricks and formed；In levelling basic unit and
The both sides of basic supercrust are embedded with catch basin, the basic supercrust of opening direction of catch basin respectively along its length.
The above-mentioned prior art carries permeable brick layer by basic supercrust, since basic supercrust has pervious function, its
Itself is softer, and when running into flood season, the moisture accumulated in basic supercrust has little time to discharge, and basic supercrust is further softened,
Its intensity decreases, be easy to cause the problem of permeable brick layer in upper strata settles.
The content of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of porous pavement, have and improve road surface
Intensity, reduce the advantages of roadbed subsidence phenomenon.
To achieve the above object, the present invention provides following technical solution：
A kind of porous pavement, including levelling basic unit, basic supercrust and the permeable surface layer set gradually from bottom to top, the basis
Supercrust includes spaced supporter, and the packing space for being used for filling permeable matrix is formed between two adjacent supporters,
The permeable matrix supports the permeable surface layer jointly with the supporter.
Using above-mentioned technical proposal, supporter and permeable matrix upper end form the supporting surface for being used to support permeable surface layer, lead to
Supporting surface is crossed to support permeable surface layer, the permeable matrix in the technical program has a permeable effect, and supporter play it is main
Supporting role, the basic supercrust collectively constituted by supporter and permeable matrix adds support strength compared with the prior art, right
The permeable surface layer on upper strata has firm support force, road surface is less prone to sedimentation.
Further, some bar connectings are passed through between the adjacent supporter.
Using above-mentioned technical proposal, by the adjacent supporter of bar connecting, supporter independent of each other is connected into system
One is overall, passes through permeable matrix by reinforcing bar transmission drawing, compression, while reinforcing bar each other, is combined with permeable matrix so that
Permeable matrix and supporter carry permeable surface layer, more uniform point of the power that permeable surface layer transmits downwards also in relation with integral jointly
Cloth is on permeable matrix, reinforcing bar and supporter so that basic supercrust is more stablized, support strength higher.
Further, the reinforcing bar is distributed in supporter top.
Using above-mentioned technical proposal, pressure is delivered to basic supercrust top by permeable surface layer first, and then pressure is in base
Transmitted downwards on plinth supercrust, thus, basic supercrust upper end receives larger varying stress, by basic supercrust upper end
Steel reinforcing is carried out, the intensity of basic supercrust upper end on the one hand can be improved, on the other hand can save in whole engineering
Amount of reinforcement, improves overall intensity and reduces engineering cost.
Further, the distribution density of some reinforcing bars from bottom to top becomes larger successively.
Using above-mentioned technical proposal, as seen from the above analysis, pressure is delivered to basic supercrust top by permeable surface layer first,
Then pressure is transmitted downwards on basic supercrust, and thus, basic supercrust upper end receives larger varying stress, point of reinforcing bar
Cloth density gradually increases from bottom to top, on the one hand can improve the intensity of basic supercrust upper end, on the other hand can save whole
Amount of reinforcement in a engineering, improves overall intensity and reduces engineering cost.
Further, the supporter is across whole road.
Using above-mentioned technical proposal, since supporter is across whole road, i.e. supporter is complete one in the width direction
Body formula structure, the uniform load of whole supporter in the width direction is not in due to assembled supporter and the supporter that occurs from
Body settles, and improves the stability of supporter, meanwhile, width is short compared with length direction, makes construction more convenient.
Further, the supporter is gradually thickening from up to down.
Using above-mentioned technical proposal, gradually the thickening side for making supporter forms inclining of expanding outwardly to supporter from up to down
Inclined-plane, permeable matrix are pressed in the inclined plane, the supporter is born the downward pressure of permeable matrix, and the supporter is more steady
Fixed is supported in levelling basic unit.
Further, water barrier is set between the levelling basic unit and the basic supercrust.
Using above-mentioned technical proposal, by setting water barrier, isolate moisture, prevent moisture from penetrating down into and soften levelling base
Layer, improves the stability on road surface.
Further, the water barrier upper table is tilted towards road edge, and road edge is located at inclined water barrier lower end and sets
The closed drain connected with the permeable matrix is equipped with, the closed drain is used to accept the rainwater oozed out along the water barrier.
Using above-mentioned technical proposal, the upper table of water barrier is tilted towards road edge, allows water along water barrier upper surface
Inclined infiltration downwards, eventually penetrates in closed drain, is discharged through closed drain, the water for enabling to be accumulated in the floor of road is smoothly arranged
Go out, reach the situation oozed under rainwater after saturation is difficult on road surface to prevent road lamination water.
Further, the water barrier is tilted down from middle part towards both sides of the road.
Using above-mentioned technical proposal, water barrier is tilted down to both sides of the road, and moisture permeates more unidirectional from centre to both sides
The seepage distance for shortening moisture is tilted, improves drainage speed.
Further, the permeable surface layer is pervious asphalt concrete layer or permeable brick layer.
Using above-mentioned technical proposal, pervious asphalt concrete surface is more smooth, intensity higher, but its construction cost is high；
And permeable brick layer construction cost is low, osmotic effect is good, can select different arrangement and method for construction as needed.
In conclusion the invention has the advantages that：
Supporter and permeable matrix upper end form the supporting surface for being used to support permeable surface layer, by supporting surface to support permeable face
Layer, the permeable matrix in the technical program has permeable effect, and supporter plays main supporting role, by supporter with
The basic supercrust that permeable matrix collectively constitutes adds support strength compared with the prior art, has to the permeable surface layer on upper strata firm
Support force, road surface is less prone to sedimentation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description briefly to introduce, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 is a kind of road Rotating fields schematic diagram of porous pavement of the embodiment of the present invention；
Fig. 2 is a kind of left view of porous pavement in Fig. 1, wherein a closed drain has been hidden；
Fig. 3 is a kind of front view of porous pavement in Fig. 1；
Fig. 4 is construction of seepage pavement process chart shown in Fig. 1.
Reference numeral：100th, levelling basic unit；101st, basic supercrust；102nd, permeable surface layer；103rd, water barrier；110th, support
Body；111st, packing space；112nd, closed drain；120th, through hole；130th, reinforcing bar；140th, extension；150th, permeable matrix.
Embodiment
Elaborate below in conjunction with the accompanying drawings to technical scheme.
For the ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that spatially relative term is intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.
A kind of porous pavement, referring to Fig. 1 and Fig. 2, Tu1Wei roads Rotating fields, including the levelling base set gradually from bottom to top
Layer 100, basic supercrust 101 and permeable surface layer 102, basic supercrust 101 includes spaced supporter 110, adjacent
The packing space 111 for being used for filling permeable matrix 150 is formed between two supporters 110, permeable matrix 150 is filled in the filling
In space 111, the upper end of supporter 110 and permeable matrix 150 forms the supporting surface for being used to support permeable surface layer 102.
Since supporter 110 and the formation of 150 upper end of permeable matrix are used to support the supporting surface of permeable surface layer 102, pass through branch
Support face is to support permeable surface layer 102, and permeable matrix 150 has permeable effect, and supporter 110 plays main supporting role,
The basic supercrust 101 collectively constituted by supporter 110 and permeable matrix 150 adds support strength compared with the prior art, right
The permeable surface layer 102 on upper strata has firm support force, road surface is less prone to sedimentation.
Above-mentioned permeable matrix 150 is using rubble, rubble, cement extenders according to 4：6：1 ratio is filled after mixing,
Wherein, on the one hand the particle diameter of rubble and rubble has the advantages that environmental protection between 3-5cm, on the other hand has concurrently permeable with supporting
Effect.
When building, with reference to Fig. 4, following steps are carried out successively；
The first step, excavates road ditch, and the road ditch for being used for accommodating road floor is excavated with excavator, and the depth of road ditch is at least 500mm；Due to
Traditional porous pavement is more to be transformed based on existing road, and the technical program, will be original by excavating road ditch
Road floor is replaced, and is fundamentally improved and is caused road various functions to weaken and cause newly to repair since original road floor service life is long
The problem of road surface stability built is poor；It is inclined upwardly at left and right sides of the road Gou Yingshi roads ditch of excavation, to ensure the stabilization of road ditch
Property.
Second step, builds levelling basic unit 100：Lu Gou bottom surfaces are repaired, make bottom surface smooth, and with road roller by the bottom surface of road ditch
Compacting, the layer that makes newly to repair the roads more are stablized；Then graded broken stone is set on Lu Gou bottom surfaces upper berth, should contain 4%-5%'s in graded broken stone
Cement, to stablize graded broken stone, laying should ensure that graded broken stone upper surface is smooth.
3rd step, builds water barrier 103 in levelling basic unit 100, and water barrier 103 can use anti-seepage geotextile, pass through
Water barrier 103 is set, isolates moisture, prevents moisture from penetrating down into and soften levelling basic unit 100, improves the stability on road surface.
103 upper table of water barrier is tilted towards road edge, it is preferred that and 103 upper surface of water barrier is tilted down from middle part towards both sides of the road,
（In other embodiments, water barrier 103 can also be from the one side edge of road to opposite side edge tilt）, in inclined water proof
103 lower edge of layer arrange closed drain 112 along road extending direction, and closed drain 112 carries the pvc pipe of inlet opening for surface
Road.The upper table of water barrier 103 is tilted towards road edge, water is permeated downwards along 103 upper surface of water barrier is inclined, most
Penetrate into closed drain 112, discharged through closed drain 112, the water for enabling to be accumulated in the floor of road is smoothly discharged, to prevent road lamination eventually
Water reaches the situation oozed under rainwater after saturation is difficult on road surface.
4th step, basic supercrust 101 is built on water barrier 103, is mainly included：It is arranged at intervals supporter 110, support
The packing space 111 for being used for filling permeable matrix 150 is formed between body 110；Supporter 110 can be along road extending direction interval
Arrangement, the present embodiment supporter 110 is across whole road, i.e., in the width direction across road.Since supporter 110 is across whole
Road, i.e. supporter 110 are complete integral structure in the width direction, in the width direction whole 110 uniform load of supporter,
Be not in due to assembled supporter 110 and occur supporter 110 itself there is sedimentation phenomenon, improve supporter 110
Stability, meanwhile, width is short compared with length direction, makes construction more convenient；
Supporter 110 in the present embodiment can be made in prefabrication practice, i.e. prefabricated supporter 110 is completed in pre-production,
Then construction location is transported to be installed；Supporter 110 is made by method for prefabricating, when construction transports supporter 110
Construction location is installed, and shortens construction period, road is come into operation faster；It is complete referring to Fig. 2, Fig. 3, pre-production
Into supporter 110 be provided with some through-thickness run through supporter 110 through hole 120, penetrate reinforcing bar in through hole 120
130, adjacent supporter 110 is sequentially connected by reinforcing bar 130, supporter 110 independent of each other is connected into unified entirety, that
Drawing, compression are transmitted by reinforcing bar 130 between this, while reinforcing bar 130 passes through permeable matrix 150, is combined with permeable matrix 150,
So that permeable matrix 150 and supporter 110 also in relation with integral, carry permeable surface layer 102, permeable surface layer 102 passes downwards jointly
The power passed is more uniform to be distributed on permeable matrix 150, reinforcing bar 130 and supporter 110 so that basic supercrust 101 is more
Stablize, support strength higher.
Certainly, supporter 110 can also use the method for site operation to be directly built in levelling 100 upper end of basic unit, build
During adjacent supporter 110 is connected by reinforcing bar 130.Supporter 110 is directly built in using the method for site operation and looked for
In flat basic unit 100, although the mode compared with pre-production extends construction period, this method is used, during making
Directly reinforcing bar 130 can be combined with supporter 110, improve the bonding strength of reinforcing bar 130 and supporter 110.
Supporter 110 is made of 130 concrete of reinforcing bar, after building natural curing permeable base is refilled after 2-3 weeks
Body 150.The permeable matrix 150 of filling in packing space 111, forms the upper end of permeable matrix 150 and supporter 110 and is used for branch
The supporting surface of permeable surface layer 102 is supportted, the supporting surface surfacing, answers circular arc excessive if running into slope road intersection, turning point, prevents
Only there is stress concentration phenomenon；The porous light concrete that permeable matrix 150 is formed using aggregate, cement and water mixing, is free of
Fine aggregate, is mutually bonded by coarse aggregate surface and cement mortar and forms the equally distributed honeycomb structure in hole, basic supercrust
101 play permeable, water storage function.
Since basic supercrust 101 includes supporter 110 and the permeable matrix 150 between adjacent supports body 110,
Supporter 110 and 150 upper end of permeable matrix form the supporting surface for being used to support permeable surface layer 102, by supporting surface to support
Water surface layer 102, permeable matrix 150 has permeable effect, and supporter 110 plays main supporting role so that passes through support
The basic supercrust 101 that body 110 and permeable matrix 150 collectively constitute adds support strength compared with the prior art, to the saturating of upper strata
Water surface layer 102 has firm support force, road surface is less prone to sedimentation；Closed drain 112 is connected with permeable matrix 150, excellent
Choosing, water barrier 103 are tilted down to both sides of the road, and moisture permeates the infiltration that relatively unidirectional inclination shortens moisture from centre to both sides
Distance, improves drainage speed.
5th step, builds permeable surface layer 102 on basic supercrust 101；Permeable surface layer 102 can be pervious asphalt coagulation
Soil layer or permeable brick layer.Pervious asphalt concrete surface is more smooth, intensity higher, but its construction cost is high；And permeable brick layer
Construction cost is low, and osmotic effect is good, can select different arrangement and method for construction as needed.
When permeable surface layer 102 is pervious asphalt concrete layer, it is necessary to 180 ± 5 DEG C to gathering materials, mountain flour and asphalt modification
Agent carry out mix, when paving the way, ensure the temperature of pervious asphalt at 155-170 DEG C, use Steel-Wheel Rollers pavement temperature for
Carry out just rolling under conditions of 150-165 DEG C, then carry out secondary stone roller using pneumatic-tired rollers when pavement temperature is reduced to 60 DEG C
Pressure.
6th step, road maintenance, carries out road closure processing, ensures that there is the natural curing time of 3-5 days on road surface.
Referring to Fig. 2 and Fig. 3, since basic supercrust 101 carries permeable surface layer 102, permeable surface layer 102 passes pressure first
Basic 101 top of supercrust is delivered to, then pressure is transmitted downwards on basic supercrust 101, thus, on basic supercrust 101
End receives larger varying stress, for this reason, being connected between adjacent supporter 110 by some reinforcing bars 130, it is preferred that some
The distribution density of reinforcing bar 130 from bottom to top becomes larger successively.In this way, the intensity of basic 101 upper end of supercrust on the one hand can be improved,
On the other hand 130 dosage of reinforcing bar in whole engineering can be saved, overall intensity is improved and reduces engineering cost.
Further, since pressure is delivered to basic 101 top of supercrust by permeable surface layer 102 first, then pressure exists
Transmitted downwards on basic supercrust 101, thus, basic 101 upper end of supercrust receives larger varying stress, so, by reinforcing bar
130 are distributed in 110 top of supporter, are reinforced by carrying out reinforcing bar 130 to basic 101 upper end of supercrust, on the one hand can improved
The intensity of basic 101 upper end of supercrust, on the other hand can save 130 dosage of reinforcing bar in whole engineering, improve overall strong
Spend and reduce engineering cost.
Supporter 110 is gradually thickening from up to down, the side of supporter 110 is formed the inclined plane expanded outwardly, permeable
Matrix 150 is pressed in the inclined plane, the supporter 110 is born the downward pressure of permeable matrix 150, and the supporter 110 is more
Add stable be supported in levelling basic unit 100.And 110 bottom of supporter extends to form extension to the left and right ends shown in Fig. 2
140, the weight of permeable matrix 150 is carried, by the compacting of supporter 110 tightly on water barrier 103.
In the floor of road, the thickness proportion of top-down permeable surface layer 102, basic supercrust 101 and levelling basic unit 100 is substantially
For 1:6:4.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of porous pavement, including set gradually from bottom to top levelling basic unit (100), basic supercrust (101) and permeable
Surface layer (102), it is characterised in that the basis supercrust (101) includes spaced supporter (110), adjacent two
Formed between support body (110) and be used to filling the packing spaces (111) of permeable matrix (150), the permeable matrix (150) with it is described
Supporter (110) supports the permeable surface layer (102) jointly.
2. a kind of porous pavement according to claim 1, it is characterised in that lead between the adjacent supporter (110)
Cross some reinforcing bars (130) connection.
3. a kind of porous pavement according to claim 2, it is characterised in that the reinforcing bar (130) is distributed in supporter
(110) top.
4. a kind of porous pavement according to claim 2, it is characterised in that some reinforcing bars (130) are from bottom to top
Distribution density becomes larger successively.
5. a kind of porous pavement according to claim 1, it is characterised in that the supporter (110) is across whole road.
6. a kind of porous pavement according to claim 1, it is characterised in that the supporter (110) is gradual from up to down
It is thickening.
7. a kind of porous pavement according to claim 1, it is characterised in that the levelling basic unit (100) and the basis
Water barrier (103) is set between supercrust (101).
8. a kind of porous pavement according to claim 7, it is characterised in that water barrier (103) upper table is towards road
Edge tilt, road edge are located at inclined water barrier (103) lower end and are provided with the draining connected with the permeable matrix (150)
Hidden pipe (112), the closed drain (112) are used to accept the rainwater oozed out along the water barrier (103).
9. a kind of porous pavement according to claim 8, it is characterised in that the water barrier (103) is from middle part towards road
Two are sloped downwardly.
10. according to a kind of porous pavement described in claim 1-9 any one, it is characterised in that the permeable surface layer (102)
For pervious asphalt concrete layer or permeable brick layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131768.2A CN108018753A (en) | 2017-11-15 | 2017-11-15 | A kind of porous pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131768.2A CN108018753A (en) | 2017-11-15 | 2017-11-15 | A kind of porous pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108018753A true CN108018753A (en) | 2018-05-11 |
Family
ID=62080637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711131768.2A Pending CN108018753A (en) | 2017-11-15 | 2017-11-15 | A kind of porous pavement |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338155A (en) * | 2021-06-18 | 2021-09-03 | 华东交通大学 | Roadbed for controlling differential settlement of transition section of highway bridge and construction method |
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| EP1462571A2 (en) * | 2003-03-28 | 2004-09-29 | Hübner-Lee Ernst Hübner e.K. | Drainage structure, especially for parking lots or accesses |
| US20140140765A1 (en) * | 2010-09-09 | 2014-05-22 | Jui-Wen Chen | Method for manufacturing geological gradation featuring disaster prevention and ecologic function |
| CN204982587U (en) * | 2015-07-21 | 2016-01-20 | 沈阳鸿润水利工程有限公司 | Concrete resistance to compression structure of permeating water road surface |
| CN205443855U (en) * | 2016-04-05 | 2016-08-10 | 邹越 | Highway road surface with drainage water collection function |
| CN106049217A (en) * | 2016-06-16 | 2016-10-26 | 昆山通海建材科技有限公司 | Assembly type permeable pavement paving c, block bodies and paving structure |
| CN206512546U (en) * | 2016-11-30 | 2017-09-22 | 北京中景橙石科技股份有限公司 | A kind of anti-settling pervious surface |
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2017
- 2017-11-15 CN CN201711131768.2A patent/CN108018753A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1462571A2 (en) * | 2003-03-28 | 2004-09-29 | Hübner-Lee Ernst Hübner e.K. | Drainage structure, especially for parking lots or accesses |
| US20140140765A1 (en) * | 2010-09-09 | 2014-05-22 | Jui-Wen Chen | Method for manufacturing geological gradation featuring disaster prevention and ecologic function |
| CN204982587U (en) * | 2015-07-21 | 2016-01-20 | 沈阳鸿润水利工程有限公司 | Concrete resistance to compression structure of permeating water road surface |
| CN205443855U (en) * | 2016-04-05 | 2016-08-10 | 邹越 | Highway road surface with drainage water collection function |
| CN106049217A (en) * | 2016-06-16 | 2016-10-26 | 昆山通海建材科技有限公司 | Assembly type permeable pavement paving c, block bodies and paving structure |
| CN206512546U (en) * | 2016-11-30 | 2017-09-22 | 北京中景橙石科技股份有限公司 | A kind of anti-settling pervious surface |
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| CN113338155A (en) * | 2021-06-18 | 2021-09-03 | 华东交通大学 | Roadbed for controlling differential settlement of transition section of highway bridge and construction method |
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| CB02 | Change of applicant information |
Address after: 518000 Zhongtai Commercial and Residential Building 305, Shahexi Road 4085, Xinwei Community, Xili Street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Hongda Construction Group Co., Ltd. Address before: 518000 Shenzhen Shenzhen City, Guangdong, Futian District Bagua road Bagualing industrial district, 101 6013, 6014, 6015 Applicant before: Shenzhen Huamao Construction Engineering Co. Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180511 |
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