CN106197802B - A kind of method of minimal support power needed for monitoring adjoining rock stability - Google Patents
A kind of method of minimal support power needed for monitoring adjoining rock stability Download PDFInfo
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- CN106197802B CN106197802B CN201610564935.1A CN201610564935A CN106197802B CN 106197802 B CN106197802 B CN 106197802B CN 201610564935 A CN201610564935 A CN 201610564935A CN 106197802 B CN106197802 B CN 106197802B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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Abstract
The method of minimal support power needed for a kind of monitoring adjoining rock stability, method includes the following steps: step 1: installing the tunnel lining structure for never removing lining cutting tire on country rock；Step 2: determining the time when surrouding rock deformation of step 1 reaches stable；Step 3: the numerical value of the carcass pressure a of lining cutting tire of the recording step 2 when surrouding rock deformation reaches stable；Step 4: coarse adjustment；Obtain minimal support power d needed for adjoining rock stability.The method of minimal support power needed for a kind of monitoring adjoining rock stability provided by the invention, the problem of can solve the more difficult measurement of required supporting power when surrouding rock deformation reaches stable, can be according to the requirement of engineering precision, minimal support power needed for accurate monitoring surrouding rock deformation country rock is simple and easy.
Description
Technical field
The present invention relates to Tunnel Engineering surrounding rock supporting field, minimal support power needed for especially a kind of monitoring adjoining rock stability
Method.
Background technique
Supporting construction is of great significance to the stability in the stabilization of country rock, construction safety, tunnel operation.Currently
High ground stress soft rock stress Wall Rock of Tunnel creep compliance is big, and deformation time is long, surrouding rock stress inhomogeneities is significant, and furthermore country rock was deforming
The pressure applied in journey to supporting construction is in variable condition, so required supporting power more difficult survey when surrouding rock deformation reaches stable
It is fixed.In addition, main in China's tunnel engineering at this stage to design supporting construction according to country rock maximum stress, this will lead to supporting construction
When the larger position of stress is destroyed, stress smaller part position plays far away self-strength, while also resulting in the wasting of resources.Currently without one
Kind method can accurately measure required minimal support power when surrouding rock deformation reaches stable according to requirement of engineering precision.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of methods of minimal support power needed for monitoring adjoining rock stability, can
Required supporting power more difficult measurement when solving the problems, such as that surrouding rock deformation reaches stable, can be according to the requirement of engineering precision, accurately
Minimal support power needed for monitoring surrouding rock deformation country rock, it is simple and easy.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: minimum needed for a kind of monitoring adjoining rock stability
The method of supporting power, method includes the following steps:
Step 1: the tunnel lining structure for never removing lining cutting tire is installed on country rock: the tunnel lining structure includes
Steel arch-shelf is equipped with lining cutting tire between steel arch-shelf and country rock, lining cutting tire is interior filled with air, and lining cutting tire is equipped with to let out and carry
It sets, lets out the transfer port for carrying that bottom of device is equipped with exhaust, gas transmission is integrated, steel arch-shelf and lining cutting tire and pass through on steel strand wires and country rock
Anchor pole be fixed on country rock；
Step 2: monitoring surrouding rock deformation rate of acceleration determines that the surrouding rock deformation of step 1 reaches steady according to corresponding technical specification
The time of timing；
Step 3: the numerical value of the carcass pressure a of lining cutting tire of the recording step 2 when surrouding rock deformation reaches stable；
Step 4: coarse adjustment: reducing F megapascal for the carcass pressure of lining cutting tire using letting out to carry to set, inspection let out carry set whether
Phenomenon of losing heart occurs, if phenomenon of losing heart does not occur, then is checked again after the carcass pressure of lining cutting tire is reduced F megapascal,
The step of repeating above-mentioned reduction carcass pressure and whether gas leakage occurring is set the discouraged phenomenon of generation until letting out and carrying, is recorded at this time
The numerical value of the carcass pressure b of lining cutting tire:
B=(a-F × N) megapascal
The wherein number of the carcass pressure reduction of N=lining cutting tire, the megapascal of F=0.5~3；
Step 5: to let out carry set inflation by way of the carcass pressure of lining cutting tire is adjusted to the numerical value c of upper level,
C={ a-F × (N-1) } megapascal
Wherein in N=step 4 the carcass pressure reduction of lining cutting tire number, the megapascal of F=0.5~3, according to engineering precision
Requirement select specific value；
Obtain minimal support power d=c megapascal needed for adjoining rock stability.
This method further includes step 6 and step 7,
Step 6: fine tuning: the carcass pressure of the lining cutting tire Jing Guo step 5 being reduced into E megapascal using letting out to carry to set, is checked
It lets out and carries to set phenomenon of losing heart whether occurs, if phenomenon of losing heart does not occur, then will be after the carcass pressure reduction E megapascal of lining cutting tire
The step of being checked again, repeating above-mentioned reduction carcass pressure and whether gas leakage occurs sets the discouraged phenomenon of generation until letting out and carrying,
The numerical value of the carcass pressure b ' of the lining cutting tire of record at this time:
B '=(c-E × M) megapascal
The wherein number of the carcass pressure reduction of M=lining cutting tire, the megapascal of E=0.1~0.5, according to wanting for engineering precision
Seek selection specific value；
Step 7: to let out carry set inflation by way of the carcass pressure of lining cutting tire is adjusted to the numerical value c ' of upper level,
C '={ c-E × (M-1) } megapascal
Wherein in M=step 6 the carcass pressure reduction of lining cutting tire number, the megapascal of E=0.1~0.5；
Obtain minimal support power d '=c ' megapascal needed for adjoining rock stability.
E is preferably 0.1 megapascal.
F is preferably 0.5 megapascal.
It lets out to carry and is set to automatic pressure relief valve.
The method of minimal support power needed for a kind of monitoring adjoining rock stability provided by the invention, can solve surrouding rock deformation and reaches
It, can be accurate to monitor surrouding rock deformation country rock institute according to the requirement of engineering precision when stablizing the problem of the more difficult measurement of required supporting power
The minimal support power needed, it is simple and easy.
Specific embodiment
By taking 1 year monitoring surrouding rock deformation situation of certain high ground stress soft rock stress tunnel engineering as an example, the engineering surrounding edge deformation monitoring knot
Fruit and intrauterine pressure delta data, as shown in table 1:
Tunnel Surrounding Rocks Deformation monitoring data after certain the engineering soft rock section tunnel excavation of table 1
Note: it is 2..8Mpa that required minimal support power is stablized in the surrouding rock deformation of the engineering, convenient for prison by taking the engineering as an example
Survey the narration of minimal support power method.
By the data of above-mentioned monitoring surrouding rock deformation, average rate (- 0.009mm/d is deformed by 7~September2) can obtain
Within 6 months before the engineering main time section phase of Rock Creep, subsequent surrouding rock deformation is gradually stable, by deformed in table 1 it is average plus
Rate, day deformation Mean Speed and total deformation can obtain, and think that surrouding rock deformation reached stable substantially at 10th month.
Gas in the tire monitored after the tunnel lining structure of lining cutting tire is never removed to the Wall Rock of Tunnel installation of above-mentioned engineering
Press delta data as shown in table 2:
The Wall Rock of Tunnel of the above-mentioned engineering of table 2 installs gas in the tire monitored after the tunnel lining structure for never removing lining cutting tire
Press delta data
From Table 2, it can be seen that surrouding rock deformation shape reaches stable recording carcass pressure a=4Mpa.
It is obtained by live actual measurement, it is 2.8Mpa that required minimal support power is stablized in the surrouding rock deformation of the engineering.
Embodiment one
A kind of method of minimal support power needed for monitoring adjoining rock stability, method includes the following steps:
Step 1: the tunnel lining structure for never removing lining cutting tire is installed on country rock: the tunnel lining structure includes
Steel arch-shelf is equipped with lining cutting tire between steel arch-shelf and country rock, lining cutting tire is interior filled with air, and lining cutting tire is equipped with to let out and carry
It sets, lets out the transfer port for carrying that bottom of device is equipped with exhaust, gas transmission is integrated, steel arch-shelf and lining cutting tire and pass through on steel strand wires and country rock
Anchor pole be fixed on country rock；
Step 2: monitoring surrouding rock deformation rate of acceleration, according to corresponding technical specification, (" railway tunnel shotcrete bolt construction method technology is advised
Model ") determine time when the surrouding rock deformation of step 1 reaches stable；
Step 3: the carcass pressure a=4Mpa of lining cutting tire of the recording step 2 when surrouding rock deformation reaches stable；
Step 4: coarse adjustment: reducing F megapascal for the carcass pressure of lining cutting tire using letting out to carry to set, inspection let out carry set whether
Phenomenon of losing heart occurs, if phenomenon of losing heart does not occur, then is checked again after the carcass pressure of lining cutting tire is reduced F megapascal,
The step of repeating above-mentioned reduction carcass pressure and whether gas leakage occurring is set the discouraged phenomenon of generation until letting out and carrying, is recorded at this time
The numerical value of the carcass pressure b of lining cutting tire:
B=(a-F × N) megapascal=(4-0.5 × 3) megapascal=2.5 megapascal
The wherein number of the carcass pressure reduction of N=lining cutting tire, F=0.5 megapascal；
Step 5: to let out carry set inflation by way of the carcass pressure of lining cutting tire is adjusted to the numerical value c of upper level,
C={ a-F × (N-1) } megapascal={ 4-0.5 × (3-1) } megapascal=3 megapascal
Wherein in N=step 4 the carcass pressure reduction of lining cutting tire number, F=0.5 megapascal；
Obtain minimal support power d=c=3 megapascal needed for adjoining rock stability.
Embodiment two
Step 1-5 is the same as embodiment one
Step 6: fine tuning: the carcass pressure of the lining cutting tire Jing Guo step 5 being reduced into E megapascal using letting out to carry to set, is checked
It lets out and carries to set phenomenon of losing heart whether occurs, if phenomenon of losing heart does not occur, then will be after the carcass pressure reduction E megapascal of lining cutting tire
The step of being checked again, repeating above-mentioned reduction carcass pressure and whether gas leakage occurs sets the discouraged phenomenon of generation until letting out and carrying,
The numerical value of the carcass pressure b ' of the lining cutting tire of record at this time:
B '=(c-E × M) megapascal=(3-0.1 × 3) megapascal=2.7 megapascal
The wherein number of the carcass pressure reduction of M=lining cutting tire, E=0.1 megapascal；
Step 7: to let out carry set inflation by way of the carcass pressure of lining cutting tire is adjusted to the numerical value c ' of upper level,
C '={ c-E × (M-1) } megapascal={ 3-0.1 × (3-1) } megapascal=2.8 megapascal
Wherein in M=step 6 the carcass pressure reduction of lining cutting tire number, E=0.1 megapascal；
Obtain minimal support power d '=c ' megapascal=2.8 megapascal needed for adjoining rock stability.
It lets out to carry and is set to automatic pressure relief valve.
Embodiment three
A kind of method of minimal support power needed for monitoring adjoining rock stability, method includes the following steps:
Step 1: the tunnel lining structure for never removing lining cutting tire is installed on country rock: the tunnel lining structure includes
Steel arch-shelf is equipped with lining cutting tire between steel arch-shelf and country rock, lining cutting tire is interior filled with air, and lining cutting tire is equipped with to let out and carry
It sets, lets out the transfer port for carrying that bottom of device is equipped with exhaust, gas transmission is integrated, steel arch-shelf and lining cutting tire and pass through on steel strand wires and country rock
Anchor pole be fixed on country rock；
Step 2: monitoring surrouding rock deformation rate of acceleration, according to corresponding technical specification, (" railway tunnel shotcrete bolt construction method technology is advised
Model ") determine time when the surrouding rock deformation of step 1 reaches stable；
Step 3: the carcass pressure a=4Mpa of lining cutting tire of the recording step 2 when surrouding rock deformation reaches stable；
Step 4: coarse adjustment: reducing F megapascal for the carcass pressure of lining cutting tire using letting out to carry to set, inspection let out carry set whether
Phenomenon of losing heart occurs, if phenomenon of losing heart does not occur, then is checked again after the carcass pressure of lining cutting tire is reduced F megapascal,
The step of repeating above-mentioned reduction carcass pressure and whether gas leakage occurring is set the discouraged phenomenon of generation until letting out and carrying, is recorded at this time
The numerical value of the carcass pressure b of lining cutting tire:
B=(a-F × N) megapascal=(4-2 × 1) megapascal=2 megapascal
The wherein number of the carcass pressure reduction of N=lining cutting tire, F=2 megapascal；
Step 5: to let out carry set inflation by way of the carcass pressure of lining cutting tire is adjusted to the numerical value c of upper level,
C={ a-F × (N-1) } megapascal={ 4-2 × (1-1) } megapascal=4 megapascal
Wherein in N=step 4 the carcass pressure reduction of lining cutting tire number, F=2 megapascal；
Step 6: fine tuning: the carcass pressure of the lining cutting tire Jing Guo step 5 being reduced into E megapascal using letting out to carry to set, is checked
It lets out and carries to set phenomenon of losing heart whether occurs, if phenomenon of losing heart does not occur, then will be after the carcass pressure reduction E megapascal of lining cutting tire
The step of being checked again, repeating above-mentioned reduction carcass pressure and whether gas leakage occurs sets the discouraged phenomenon of generation until letting out and carrying,
The numerical value of the carcass pressure b ' of the lining cutting tire of record at this time:
B '=(c-E × M) megapascal=(4-0.4 × 4) megapascal=2.4 megapascal
The wherein number of the carcass pressure reduction of M=lining cutting tire, E=0.4 megapascal；
Step 7: to let out carry set inflation by way of the carcass pressure of lining cutting tire is adjusted to the numerical value c ' of upper level,
C '={ c-E × (M-1) } megapascal={ 4-0.4 × (4-1) } megapascal=2.8 megapascal
Wherein in M=step 6 the carcass pressure reduction of lining cutting tire number, E=0.4 megapascal；
Obtain minimal support power d '=c ' megapascal=2.8 megapascal needed for adjoining rock stability.
It lets out to carry and is set to automatic pressure relief valve.
Example IV
A kind of method of minimal support power needed for monitoring adjoining rock stability, method includes the following steps:
Step 1: the tunnel lining structure for never removing lining cutting tire is installed on country rock: the tunnel lining structure includes
Steel arch-shelf is equipped with lining cutting tire between steel arch-shelf and country rock, lining cutting tire is interior filled with air, and lining cutting tire is equipped with to let out and carry
It sets, lets out the transfer port for carrying that bottom of device is equipped with exhaust, gas transmission is integrated, steel arch-shelf and lining cutting tire and pass through on steel strand wires and country rock
Anchor pole be fixed on country rock；
Step 2: monitoring surrouding rock deformation rate of acceleration, according to corresponding technical specification, (" railway tunnel shotcrete bolt construction method technology is advised
Model ") determine time when the surrouding rock deformation of step 1 reaches stable；
Step 3: the carcass pressure a=4Mpa of lining cutting tire of the recording step 2 when surrouding rock deformation reaches stable；
Step 4: coarse adjustment: reducing F megapascal for the carcass pressure of lining cutting tire using letting out to carry to set, inspection let out carry set whether
Phenomenon of losing heart occurs, if phenomenon of losing heart does not occur, then is checked again after the carcass pressure of lining cutting tire is reduced F megapascal,
The step of repeating above-mentioned reduction carcass pressure and whether gas leakage occurring is set the discouraged phenomenon of generation until letting out and carrying, is recorded at this time
The numerical value of the carcass pressure b of lining cutting tire:
B=(a-F × N) megapascal=(4-3 × 1) megapascal=1 megapascal
The wherein number of the carcass pressure reduction of N=lining cutting tire, F=3 megapascal；
Step 5: to let out carry set inflation by way of the carcass pressure of lining cutting tire is adjusted to the numerical value c of upper level,
C={ a-F × (N-1) } megapascal={ 4-1 × (1-1) } megapascal=4 megapascal
Wherein in N=step 4 the carcass pressure reduction of lining cutting tire number, F=4 megapascal；
Step 6: fine tuning: the carcass pressure of the lining cutting tire Jing Guo step 5 being reduced into E megapascal using letting out to carry to set, is checked
It lets out and carries to set phenomenon of losing heart whether occurs, if phenomenon of losing heart does not occur, then will be after the carcass pressure reduction E megapascal of lining cutting tire
The step of being checked again, repeating above-mentioned reduction carcass pressure and whether gas leakage occurs sets the discouraged phenomenon of generation until letting out and carrying,
The numerical value of the carcass pressure b ' of the lining cutting tire of record at this time:
B '=(c-E × M) megapascal=(4-0.5 × 3) megapascal=2.5 megapascal
The wherein number of the carcass pressure reduction of M=lining cutting tire, E=0.5 megapascal；
Step 7: to let out carry set inflation by way of the carcass pressure of lining cutting tire is adjusted to the numerical value c ' of upper level,
C '={ c-E × (2-1) } megapascal={ 4-0.5 × (3-1) } megapascal=3 megapascal
Wherein in M=step 6 the carcass pressure reduction of lining cutting tire number, E=0.5 megapascal；
Obtain minimal support power d '=c ' megapascal=3 megapascal needed for adjoining rock stability.
It lets out to carry and is set to automatic pressure relief valve.
The numerical value of minimal support power d ' needed for embodiment one-four is calculated resulting adjoining rock stability and actual measurement of engineering institute
The minimal support power numerical value obtained compares discovery, minimum needed for method provided by the invention can accurately monitor surrouding rock deformation country rock
Supporting power, it is simple and easy.
In above-described embodiment one-four, the structure and installation method of step 1 are Chinese invention patent CN201510101208.7
Disclosed technical solution, it is entitled " a kind of with tunnel lining structure and its construction and installation of never removing lining cutting tire
Method "；
The carcass pressure used tool for measuring lining cutting tire is air gauge.
Claims (4)
1. a kind of method of minimal support power needed for monitoring adjoining rock stability, it is characterised in that method includes the following steps:
Step 1: the tunnel lining structure for never removing lining cutting tire is installed on country rock: the tunnel lining structure includes steel arch
Frame is equipped with lining cutting tire between steel arch-shelf and country rock, lining cutting tire is interior filled with air, and lining cutting tire is equipped with to let out to carry and set, lets out
It carries the transfer port that bottom of device is equipped with exhaust, gas transmission is integrated, steel arch-shelf and lining cutting tire and passes through the anchor on steel strand wires and country rock
Bar is fixed on country rock；
Step 2: monitoring surrouding rock deformation rate of acceleration determines the time when surrouding rock deformation of step 1 reaches stable；
Step 3: the numerical value of the carcass pressure a of lining cutting tire of the recording step 2 when surrouding rock deformation reaches stable；
Step 4: coarse adjustment: the carcass pressure of lining cutting tire being reduced into F megapascal using letting out to carry to set, inspection lets out to carry to set whether send out
Raw discouraged phenomenon, if phenomenon of losing heart does not occur, then checks, weight again after the carcass pressure of lining cutting tire is reduced F megapascal
The step of answering above-mentioned reduction carcass pressure and whether gas leakage occurring sets the discouraged phenomenon of generation until letting out and carrying, records lining at this time
Build the numerical value of the carcass pressure b of tire:
B=(a-F × N) megapascal
The wherein number of N=lining cutting tire carcass pressure reduction, F=0.5~3 megapascal；
Step 5: to let out carry set inflation by way of the carcass pressure of lining cutting tire is adjusted to the numerical value c of upper level,
C={ a-F × (N-1) } megapascal
Wherein in N=step 4 the carcass pressure reduction of lining cutting tire number, F=0.5~3 megapascal；
Step 6: fine tuning: the carcass pressure of the lining cutting tire Jing Guo step 5 being reduced into E megapascal using letting out to carry to set, load is let out in inspection
Whether device occurs phenomenon of losing heart, if phenomenon of losing heart does not occur, then by the carcass pressure of lining cutting tire reduce after E megapascal again into
Until letting out and carrying to set phenomenon of losing heart occurs for the step of row checks, repeats above-mentioned reduction carcass pressure and whether gas leakage occurs, record
The numerical value of the carcass pressure b ' of lining cutting tire at this time:
B '=(c-E × M) megapascal
The wherein number of M=lining cutting tire carcass pressure reduction, E=0.1~0.5 megapascal；
Step 7: to let out carry set inflation by way of the carcass pressure of lining cutting tire is adjusted to the numerical value c ' of upper level,
C '={ c-E × (M-1) } megapascal
Wherein in M=step 6 the carcass pressure reduction of lining cutting tire number, E=0.1~0.5 megapascal；
Obtain minimal support power d '=c ' megapascal needed for adjoining rock stability.
2. the method for minimal support power needed for a kind of monitoring adjoining rock stability according to claim 1, it is characterised in that: E=
0.1 megapascal.
3. the method for minimal support power needed for a kind of monitoring adjoining rock stability according to claim 1, it is characterised in that: F=
0.5 megapascal.
4. the method for minimal support power needed for a kind of monitoring adjoining rock stability according to claim 1, it is characterised in that: let out load
Device is automatic pressure relief valve.
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| CN201610564935.1A CN106197802B (en) | 2016-07-18 | 2016-07-18 | A kind of method of minimal support power needed for monitoring adjoining rock stability |
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| CN106197802B true CN106197802B (en) | 2019-02-26 |
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| CN107091113B (en) * | 2017-06-30 | 2019-04-16 | 湖南科技大学 | Determine tunnel tunnel face calculation method for stability under different degrees of water-rich and drilling depth |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4895480A (en) * | 1987-09-11 | 1990-01-23 | Signode Corporation | Method and apparatus for formation of a tunnel lining |
| CN104832186A (en) * | 2015-03-09 | 2015-08-12 | 三峡大学 | Tunnel lining structure with eternally un-dismountable lining tire and construction installation method of tunnel lining structure |
| CN105138767A (en) * | 2015-08-23 | 2015-12-09 | 北京工业大学 | Deep-buried asymmetric closely spaced tunnel surrounding rock pressure calculation method |
| CN205117355U (en) * | 2015-10-12 | 2016-03-30 | 三峡大学 | Branch storehouse formula sand gas that replaces tunnel just to serve as a contrast closes and fills lining cutting structure |
-
2016
- 2016-07-18 CN CN201610564935.1A patent/CN106197802B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4895480A (en) * | 1987-09-11 | 1990-01-23 | Signode Corporation | Method and apparatus for formation of a tunnel lining |
| CN104832186A (en) * | 2015-03-09 | 2015-08-12 | 三峡大学 | Tunnel lining structure with eternally un-dismountable lining tire and construction installation method of tunnel lining structure |
| CN105138767A (en) * | 2015-08-23 | 2015-12-09 | 北京工业大学 | Deep-buried asymmetric closely spaced tunnel surrounding rock pressure calculation method |
| CN205117355U (en) * | 2015-10-12 | 2016-03-30 | 三峡大学 | Branch storehouse formula sand gas that replaces tunnel just to serve as a contrast closes and fills lining cutting structure |
Non-Patent Citations (2)
| Title |
|---|
| 南京纬三路过江通道泥水盾构带压开舱开挖面最小支护压力确定;吴忠善等;《中国港湾建设》;20140228(第2期);全文 |
| 软岩巷道支护荷载的确定方法;景海河等;《中国矿业大学学报》;20020930;第31卷(第5期);全文 |
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Effective date of registration: 20201223 Address after: Building 2, No. 3, Fuqian Road, Hailing District, Taizhou City, Jiangsu Province Patentee after: Taizhou Haitong Asset Management Co.,Ltd. Address before: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20201223 Address after: Unit 2414-2416, main building, no.371, Wushan Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 443002 No. 8, University Road, Yichang, Hubei Patentee before: CHINA THREE GORGES University |