CN110055855A - A kind of gravity type heat pipe torsion protection braced frame, system and construction method against pressure - Google Patents
A kind of gravity type heat pipe torsion protection braced frame, system and construction method against pressure Download PDFInfo
- Publication number
- CN110055855A CN110055855A CN201810051226.2A CN201810051226A CN110055855A CN 110055855 A CN110055855 A CN 110055855A CN 201810051226 A CN201810051226 A CN 201810051226A CN 110055855 A CN110055855 A CN 110055855A
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- heat pipe
- gravity type
- type heat
- steel plate
- protection
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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
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/26—Permanently installed heating or blowing devices ; Mounting thereof
- E01C11/265—Embedded electrical heating elements ; Mounting thereof
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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 gravity type heat pipe for express highway snow melting torsion protection braced frame against pressure, gravity type heat pipe torsion protection support highway snow-melting system against pressure and its construction methods.It include one-way heat conduction rubber sleeve for wrapping up gravity type heat pipe radiating segment and with protection steel plate; it protects and is connected between steel plate and one-way heat conduction rubber sleeve by spring; and that protects steel plate and one-way heat conduction rubber sleeve is filled with heat-conducting glue glue, protects one end of steel plate to be hinged and is connected to fixing piece.The present invention is that the protection of the road deicing or snow melting heat pipe of the special road section of highway proposes a kind of efficient protective device；Protection steel plate energy opposite heat tube plays the protection of effective compression set, and the bending that can alleviate heat pipe destroys；Heat conductive rubber and spring can conduct heat to protection steel plate, while pressure energy is converted to spring potential energy；One-way heat conduction heat pipe set can collect the heat of heat pipe to supercrust, improve the energy utilization efficiency of heat pipe.
Description
Technical field
The present invention relates to a kind of torsions against pressure of gravity type heat pipe to protect braced frame, in particular for the weight of express highway snow melting
Power formula heat pipe torsion protection braced frame against pressure, gravity type heat pipe torsion protection support highway snow-melting system against pressure and its construction method.
Background technique
Ice and snow weather is an important factor for leading to traffic accidents, and especially large-scale rain and snow weather can be led
The a wide range of traffic paralysis for causing highway network, causes huge economic loss.Highway surfaces easily shape under rain and snow weather
At ice and snow layer, automobile sharply declines in road traveling coefficient of friction, and vehicle navigability and braking effect are deteriorated, and eventually leads to vehicle
Traveling is skidded out of control on the way, leads to major traffic accidents.In order to improve the status of express highway snow melting ice, it is public to reduce high speed
The anticaustic that road is subject to improves the service life of built highway, needs the hot pipe technique new method using deicing or snow melting
It realizes, heat pipe is generally embedded in road table shallow-layer, is significantly squeezed and deformed under the action of vehicular load to road surfaces such as pitches
It destroys.
Summary of the invention
The various damages occurred in use for the hot-pipe system currently used for highway slope section snow melting
It is bad, extruding, bending including highway at road surface etc. destroy the problem of, the object of the present invention is to provide one kind for high speed
The gravity type heat pipe of highway snow melt torsion against pressure protection braced frame, gravity type heat pipe torsions protection against pressure support highway snow-melting system and
Its construction method.
To achieve the goals above, the design uses following scheme:
One aspect of the present invention provides a kind of gravity type heat pipe torsion protection braced frame against pressure, including for wrapping up gravity type heat
The one-way heat conduction rubber sleeve of pipe radiating segment and with one-way heat conduction rubber sleeve protection steel plate disposed in parallel, the protection steel
It is connected between plate and one-way heat conduction rubber sleeve by spring, and that protects steel plate and one-way heat conduction rubber sleeve is filled with heat-conducting glue
One end of glue, the protection steel plate has been hinged fixing piece for fixing.
Preferably, the gravity type heat pipe is embedded under highway pavement, and its radiating segment is laterally arranged or is arranged obliquely.
Preferably, the protection steel plate is equipped with several radiating fins.
Preferably, the fixing piece includes fixed steel bars, and the lower end of fixed steel bars is equipped with wedge fixing end.
Preferably, the fixing piece is connected with protection steel plate by rotation axis.
Preferably, the upper section of the one-way heat conduction rubber package set is made of heat conductive rubber, and lower semi-section is insulation rubber
Glue is made.
Another aspect of the present invention provides a kind of gravity type heat pipe torsion protection support highway snow-melting system against pressure, comprising:
Highway, the highway successively include supercrust, base course and soil layer from top to bottom；
Gravity type heat pipe, the gravity type heat pipe include evaporator section, adiabatic section and radiating segment, and the evaporator section vertically gos deep into
Into the soil layer, the radiating segment is extended laterally in the supercrust；
Braced frame is protected in above-mentioned gravity type heat pipe torsion against pressure, and the one-way heat conduction rubber sleeve is sheathed on the radiating segment,
The protection steel plate is located at the upper end of the one-way heat conduction rubber sleeve and is located at the lower section of road surface layer surface, and the fixing piece is fixed
In highway.
The preferred fixing piece is passed down through base course and extends in soil layer.
As a further improvement, the evaporator section in gravity type heat pipe is adhesive with electric net with heating function, electric net with heating function by conducting wire with
The series connection of temperature sensor control node forms connection electrical storage battery when temperature is in subzero, realizes heating power.
The present invention also provides the above-mentioned gravity type heat pipe construction method against pressure for turning round protection support highway snow-melting system, steps
It is as follows:
(1) the heat dissipation effective area for passing through gravity type heat pipe, calculates the work area of effective snow melt of gravity type heat pipe, really
Spacing in fixed adjacent two rows of gravity type heat pipes；
(2) it drills on the highway at the vertical section of specified gravity type heat pipe, hole is deep to ground temperature thermostat layer；
(3) one-way heat conduction rubber sleeve is set on the horizontal segment of gravity type heat pipe, gravity type is then placed in drilling
The vertical section of heat pipe, and the fixed gravity type heat pipe of fill concrete；
(4) horizontal segment of gravity type heat pipe is placed on a Bracket for steel bar, prevents the damage that fractures；
(5) backfilled roadbed supported layer, supercrust, and guarantee the stabilization of heat pipe horizontal segment；
(6) work debugging, determines that function is intact, and pavement temperature is kept to realize pavement snow melting.
Beneficial effect by adopting the above technical scheme of the invention is:
1, the present invention is that the protection of the road deicing or snow melting heat pipe of the special road section of highway proposes one kind efficiently
Protective device；
2, protection steel plate energy opposite heat tube plays the protection of effective compression set, and the bending that pivoting can alleviate heat pipe is broken
It is bad；
3, heat conductive rubber and the spring of placement can conduct heat to protection steel plate, while pressure energy are converted to spring
Potential energy；
4, one-way heat conduction heat pipe set can collect the heat of heat pipe to supercrust, make the heat of heat pipe heat radiation section more to
Supercrust conduction, improves the energy utilization efficiency of heat pipe.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the drawing in side sectional elevation of pavement usage of the present invention；
Fig. 2 is the Local map of protect-ing frame structure of the invention；
Fig. 3 is the cross-sectional view of protect-ing frame structure of the invention.
Wherein, 1 is wedge fixing end；2 be fixed steel bars；3 be rotation axis；4 be radiating fin；5 be protection steel plate；6 are
Heat conductive rubber；7 be spring；8 be one-way heat conduction rubber sleeve；9 be gravity type heat pipe；10 be supercrust；11 be base course；12 be soil
Layer.
Specific embodiment
The embodiment of the present invention is described below in detail, in which the same or similar labels are throughly indicated same or like
Element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to
It is used to explain the present invention, and is not considered as limiting the invention.
Embodiment 1
1-3 protects braced frame to describe gravity type heat pipe according to an embodiment of the present invention torsion against pressure with reference to the accompanying drawings.
It includes one-way heat conduction rubber sleeve 8, protection steel plate 5, spring 7, heat conductive rubber 6 and fixing piece.
For one-way heat conduction rubber sleeve 8 for being closely locked with 9 heat pipe heat radiation section of gravity type heat pipe, it is to lead that package, which puts on section,
Hot rubber is made, and lower semi-section is made of insulating rubber, and heat pipe heat radiation section heat concentrates conduction to heat conductive rubber 6 along upper section.
Heat conductive rubber half is disposed adjacent to supercrust 10 by the one-way heat conduction rubber sleeve 8, is realized that heat pipe heat is assembled to supercrust 10 and is passed
It leads.Meanwhile the package set tight heat pipe heat radiation section of one-way heat conduction rubber sleeve 8, make the heat of heat pipe heat radiation section more to road
Face transmitting realizes heat dissipation snow melt by the conduction of heat conductive rubber 6 to protection steel plate 5 and 4 plate of radiating fin.
The length direction of protection steel plate 5 and one-way heat conduction rubber sleeve 8 is arranged in parallel or approaches and is arranged in parallel.Protect steel plate 5
Both ends and one-way heat conduction rubber sleeve 8 upper section between by spring 7 be connected.Protect steel plate 5 and one-way heat conduction rubber sleeve 8 it
Filled with heat-conducting glue glue.One-way heat conduction package set (one-way heat conduction rubber sleeve 8) is the protective case of heat pipe, and heat conduction is caused to lead
The layer of hot rubber 6.Heat conductive rubber 6 is the heat-conducting medium for protecting steel plate 5 and gravity type heat pipe 9.Heat conductive rubber 6 has compressible
Property, under the guiding role of spring 7, energy compression volume realizes the rotation of protection steel plate 5.Spring 7 is that protection steel plate 5 is rolled
When protection buffer unit.It protects the upper surface of steel plate 5 to be equipped with several radiating fins 4, for increasing heat exchange area, improves heat
Utilization rate.This structure finally realize heat pipe at work avoid being damaged, while increasing heat utilization efficiency.
Fixing piece includes rotation axis 3, fixed steel bars 2 and wedge fixing end 1.Rotation axis 3 is connected with protection steel plate 5, and mentions
It can independently be rotated when for road surface by pressure torsion.Fixed steel bars 2 are connected by rotation axis 3 with one end of steel plate 5 is protected, fixed steel
The lower end of muscle 2 is equipped with wedge fixing end 1.Rotation axis 3 can make that steel plate 5 is protected to rotate under the action of torque, and steel plate is in rotation
By the buffer function of spring 7, the pressure to gravity type heat pipe 9 is reduced, gravity type heat pipe 9 is enable to keep not in home position
Become.
The gravity type heat pipe of the present embodiment torsion against pressure protection braced frame is suitable for express highway snow melting, it is unidirectional when use
Heat conductive rubber covers the radiating segment that 8 tights are embedded in highway pavement gravity type heat pipe 9 below.It satisfies the need to expand radiating segment
The heat dissipation area of surface layer 10, the radiating segment are laterally arranged or are arranged obliquely.
The gravity type heat pipe of the present embodiment torsion protection braced frame against pressure mainly includes torsion self-control system against pressure and list
To heat transfer system two large divisions, realizing heat pipe, independently pressure and heat pipe heat are delayed in rotation when shallow-layer road surface is by vehicle crush
It efficiently utilizes, extends the normal work service life of heat pipe, improve conversion ratio of the heat pipe on heat energy utilization, be heat pipe
Snow melt effect is obviously reinforced.
Embodiment 2
1-3 is public to describe gravity type heat pipe according to an embodiment of the present invention torsion protection support high speed against pressure with reference to the accompanying drawings
Braced frame is protected in road snow-melting system, the gravity type heat pipe torsion against pressure including highway, gravity type heat pipe 9, embodiment 1.
Wherein, highway successively includes supercrust 10, base course 11 and soil layer 12 from top to bottom.
Gravity type heat pipe 9 (or ground heating tube) includes evaporator section, adiabatic section and radiating segment, and evaporator section is vertically deep into soil
In layer 12, radiating segment is extended laterally in supercrust 10.The low-boiling point liquids such as vacuum sealing liquefied ammonia, freon in heat pipe, evaporation
Section makes working media heating evaporation at gas by absorbing heat, and gas rises to radiating segment along pipe, and adiabatic section is to prevent
The gas evaporated in heat pipe occurs heat with tube wall during rising and exchanges.
The gravity type heat pipe one-way heat conduction rubber sleeve 8 against pressure for turning round protection braced frame is closely sheathed on radiating segment, will
8 half of one-way heat conduction rubber sleeve is disposed adjacent to supercrust 10, realizes that heat pipe heat is assembled to supercrust 10 and conducts.Heat conductive rubber 6
It is placed between package set and protection steel plate 5, the pressure under Vehicle Load can be converted to the compression potential energy of itself, reduction pair
The pressure of heat pipe acts on.Rotation control of the protection steel plate 5 in 3 plane of rotation axis may be implemented in spring 7.Protection steel plate 5 is located at
The upper end of one-way heat conduction rubber sleeve 8 and the lower section for being located at 10 surface of supercrust, fixing piece are fixed in highway.
Further, the fixed steel bars 2 in fixing piece are passed down through base course 11, and wedge fixing end 1 is located in soil layer 12.
When the radiating segment of gravity type heat pipe 9 is arranged obliquely, protection steel plate 5 is also arranged obliquely, rotation axis 3 and protection
The one end at 5 bottom of steel plate is connected, to make the one end for protecting steel plate 5 high by biggish pressure, makes to protect steel plate 5 around rotation axis 3
Rotation.It avoids the protection steel plate 5 of fixing piece one end by biggish pressure, and protects the stationary state of fixing piece and highway.
Further, it is adhesive with electric net with heating function (not shown) in the evaporator section of gravity type heat pipe 9, electric net with heating function passes through conducting wire
It connects with temperature sensor control node, forms connection electrical storage battery when temperature is in subzero, realize heating power.
The present embodiment is that the protection of the road deicing or snow melting heat pipe of the special road section of highway proposes one kind efficiently
Protective device.5 energy opposite heat tube of protection steel plate plays the protection of effective compression set, and the bending that pivoting can alleviate heat pipe is broken
It is bad；Heat conductive rubber 6 and the spring 7 placed can conduct heat to protection steel plate 5, while pressure energy are converted to 7 gesture of spring
Energy；One-way heat conduction heat pipe set can collect the heat of heat pipe to supercrust 10, make the heat of heat pipe heat radiation section more to road surface
Layer 10 conducts, and improves the energy utilization efficiency of heat pipe.
Embodiment 3
The present embodiment also discloses against pressure turn round of gravity type heat pipe as described in example 2 and protects applying for support highway snow-melting system
Work method, wherein gravity type heat pipe 9 includes vertical section and horizontal segment, and evaporator section is located at the lower section of vertical section, and radiating segment, which is located at, to hang down
The top of straight section and horizontal segment, construction procedure are as follows:
(1) by the heat dissipation effective area of fever heat pipe (gravity type heat pipe 9), effective snow melt of gravity type heat pipe 9 is calculated
Work area (being calculated by field test data), determine the spacing of adjacent two rows of gravity type heat pipe 9；
(2) it drills on the highway at the vertical section of specified gravity type heat pipe 9, hole is deep to ground temperature thermostat layer；
(3) one-way heat conduction rubber sleeve 8 is set on the horizontal segment of gravity type heat pipe 9, gravity is then placed in drilling
The vertical section of formula heat pipe 9, and the fixed gravity type heat pipe 9 of fill concrete；
(4) horizontal segment of gravity type heat pipe 9 is placed on a Bracket for steel bar and (need to be in addition added, not shown), prevent from rolling over
Breakdown is bad；
(5) backfilled roadbed supported layer, supercrust, and guarantee the stabilization of heat pipe horizontal segment；
(6) temperature sensor control node is buried, and is connected with 9 evaporator section electricity net with heating function of gravity type heat pipe；
(7) solar panel is installed in roadside and raises electric battery pack, realize the battery electric power storage of solar energy；
(8) installation is completed, and solar energy and gravity type heat pipe 9 (ground heating tube) work debugging determine that function is intact, protect
It holds pavement temperature and realizes pavement snow melting.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (9)
1. braced frame is protected in a kind of gravity type heat pipe torsion against pressure, which is characterized in that including for wrapping up gravity type heat pipe heat dissipation
Section one-way heat conduction rubber sleeve and with one-way heat conduction rubber sleeve protection steel plate disposed in parallel, the protection steel plate and list
It is connected between thermally conductive rubber sleeve by spring, and that protects steel plate and one-way heat conduction rubber sleeve is filled with heat-conducting glue glue, it is described
One end of protection steel plate has been hinged fixing piece for fixing.
2. braced frame is protected in gravity type heat pipe torsion against pressure according to claim 1, which is characterized in that the gravity type heat
Pipe is embedded under highway pavement, and its radiating segment is laterally arranged or is arranged obliquely.
3. braced frame is protected in gravity type heat pipe torsion against pressure according to claim 1, which is characterized in that the protection steel plate
It is equipped with several radiating fins.
4. braced frame is protected in gravity type heat pipe torsion against pressure according to claim 1, which is characterized in that the fixing piece packet
Fixed steel bars are included, the lower end of fixed steel bars is equipped with wedge fixing end.
5. braced frame is protected in gravity type heat pipe according to claim 1 torsion against pressure, which is characterized in that the fixing piece with
Steel plate is protected to be connected by rotation axis.
6. braced frame is protected in gravity type heat pipe torsion against pressure according to claim 1, which is characterized in that the one-way heat conduction
The upper section of rubber package set is made of heat conductive rubber, and lower semi-section is made of insulating rubber.
7. a kind of gravity type heat pipe torsion protection support highway snow-melting system against pressure characterized by comprising
Highway, the highway successively include supercrust, base course and soil layer from top to bottom；
Gravity type heat pipe, the gravity type heat pipe include evaporator section, adiabatic section and radiating segment, and the evaporator section is vertically deep into institute
It states in soil layer, the radiating segment extends laterally in the supercrust；
Braced frame, the one-way heat conduction rubber sleeve set are protected in the torsion against pressure of the described in any item gravity type heat pipes of claim 1-5
Set on the radiating segment, the protection steel plate is located at the upper end of the one-way heat conduction rubber sleeve and is located under the layer surface of road surface
Side, the fixing piece are fixed in highway.
8. gravity type heat pipe torsion protection support highway snow-melting system against pressure according to claim 7, which is characterized in that described
Fixing piece is passed down through base course and extends in soil layer.
9. the construction method against pressure for turning round protection support highway snow-melting system of gravity type heat pipe described in claim 7 or 8:
(1) the heat dissipation effective area for passing through gravity type heat pipe, calculates the work area of effective snow melt of gravity type heat pipe, determines phase
Spacing in adjacent two rows gravity type heat pipe；
(2) it drills on the highway at the vertical section of specified gravity type heat pipe, hole is deep to ground temperature thermostat layer；
(3) one-way heat conduction rubber sleeve is set on the horizontal segment of gravity type heat pipe, gravity type heat pipe is then placed in drilling
Vertical section, and the fixed gravity type heat pipe of fill concrete；
(4) horizontal segment of gravity type heat pipe is placed on a Bracket for steel bar, prevents the damage that fractures；
(5) backfilled roadbed supported layer, supercrust, and guarantee the stabilization of heat pipe horizontal segment；
(6) work debugging, determines that function is intact, and pavement temperature is kept to realize pavement snow melting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051226.2A CN110055855B (en) | 2018-01-19 | 2018-01-19 | Gravity type heat pipe anti-compression-torsion protection supporting frame, system and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051226.2A CN110055855B (en) | 2018-01-19 | 2018-01-19 | Gravity type heat pipe anti-compression-torsion protection supporting frame, system and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110055855A true CN110055855A (en) | 2019-07-26 |
| CN110055855B CN110055855B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810051226.2A Active CN110055855B (en) | 2018-01-19 | 2018-01-19 | Gravity type heat pipe anti-compression-torsion protection supporting frame, system and construction method |
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| Country | Link |
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| CN (1) | CN110055855B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525709A (en) * | 2022-02-24 | 2022-05-24 | 湖南工程学院 | Device for melting snow by solar heat collection and storage and geothermal energy on road surface |
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| CN104652266A (en) * | 2014-10-21 | 2015-05-27 | 陈黛丽 | Bridge deck anti-icing device |
| CN104711906A (en) * | 2013-12-17 | 2015-06-17 | 中铁工程设计咨询集团有限公司 | Rail beam ice and snow melting assembly, PC rail beam and laying method of PC rail beam |
| CN105040549A (en) * | 2015-08-24 | 2015-11-11 | 四川泉欣科技有限公司 | Method for preventing road from freezing |
| CN207846140U (en) * | 2018-01-19 | 2018-09-11 | 山东省交通规划设计院 | A kind of gravity type heat pipe torsion protection braced frame against pressure, system |
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2018
- 2018-01-19 CN CN201810051226.2A patent/CN110055855B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260641A (en) * | 2008-04-17 | 2008-09-10 | 李克华 | Ground heating tube ice-melting method |
| CN104711906A (en) * | 2013-12-17 | 2015-06-17 | 中铁工程设计咨询集团有限公司 | Rail beam ice and snow melting assembly, PC rail beam and laying method of PC rail beam |
| CN104652266A (en) * | 2014-10-21 | 2015-05-27 | 陈黛丽 | Bridge deck anti-icing device |
| CN105040549A (en) * | 2015-08-24 | 2015-11-11 | 四川泉欣科技有限公司 | Method for preventing road from freezing |
| CN207846140U (en) * | 2018-01-19 | 2018-09-11 | 山东省交通规划设计院 | A kind of gravity type heat pipe torsion protection braced frame against pressure, system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525709A (en) * | 2022-02-24 | 2022-05-24 | 湖南工程学院 | Device for melting snow by solar heat collection and storage and geothermal energy on road surface |
| CN114525709B (en) * | 2022-02-24 | 2024-05-17 | 湖南工程学院 | Device for road surface solar heat collection and energy storage and geothermal energy snow melting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110055855B (en) | 2023-05-09 |
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Address after: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Applicant after: Shandong transportation planning and Design Institute Co.,Ltd. Address before: No.576 WuYingShan Road, Tianqiao District, Jinan City, Shandong Province, 250031 Applicant before: SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INSTITUTE |
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Address after: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Applicant after: Shandong transportation planning and Design Institute Group Co.,Ltd. Address before: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Applicant before: Shandong transportation planning and Design Institute Co.,Ltd. Address after: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Applicant after: Shandong transportation planning and Design Institute Co.,Ltd. Address before: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Applicant before: SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INSTITUTE |
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Correction item: Applicant|Address Correct: SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INSTITUTE|250031 No. 576, Wuyingshan West Road, Tianqiao District, Jinan City, Shandong Province False: Shandong transportation planning and Design Institute Co.,Ltd.|250031 No. 576, Wuyingshan West Road, Tianqiao District, Jinan City, Shandong Province Number: 20-02 Volume: 37 |
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