CN105133510A - Inner support system and mounting method thereof in large span earthing corrugated plate pipe culvert construction period - Google Patents
Inner support system and mounting method thereof in large span earthing corrugated plate pipe culvert construction period Download PDFInfo
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- CN105133510A CN105133510A CN201510468442.3A CN201510468442A CN105133510A CN 105133510 A CN105133510 A CN 105133510A CN 201510468442 A CN201510468442 A CN 201510468442A CN 105133510 A CN105133510 A CN 105133510A
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Abstract
The invention discloses an inner support system and a mounting method thereof in a large span earthing corrugated plate pipe culvert construction period; the inner support system comprises intersect support bars; cross arms are arranged between the support bars; two ends of the cross arm are respectively connected with the top of one support bar; two ends of each support bar are respectively fixedly provided with an end bearer. The beneficial effects are that the support bar is adjustable in length; the end bearer is reasonable in force bearing; the system is convenient in dismounting; middle intersect nodes are arranged, so the whole structure is suitable for a pipe culvert structure with any section shape and span; the inner support system is convenient in transport and assembling, can be repeatedly used, and comprises the support bars, the cross arms, and the end bearers; each part is independent, and small in size and weight; the inner support system is easy to transport and assemble, and uses bolts for connection, thus realizing repetition usage.
Description
Technical field
The present invention relates to greatly across inner support system and the mounting method thereof of earthing corrugated sheet pipe culvert construction period.
Background technology
Earthing corrugated sheet pipe culvert relies on interaction of soil and structure, shared external load, therefore the maintenance of construction midline shape and distortion symmetrically very crucial.In earthing corrugated sheet pipe culvert work progress, it is general when pipe culvert is less across footpath, the rigidity of corrugated steel structure self is larger, the distortion that dead load causes is less, and when pipe culvert is larger across footpath, the deadweight of structure itself will make structure produce moderate finite deformation, cause design lines shape variable quantity larger, exceed specification allowed band, be unfavorable for the performance of interaction of soil and structure after shaping structures, all can have a negative impact to the monolithic stability during the Long-term mechanical behavior of structure and structure construction; In addition, the backfill operation in work progress also can make structure produce local or asymmetric distortion, causes local stress excessive, even makes structure generation overturning, is out of shape the asymmetric performance also affecting the interaction of soil and structure after shaping structures.For this reason, large across the assembled forming process of earthing corrugated sheet pipe culvert in and in follow-up backfill work progress, necessary inner support is carried out to structure and seems that lattice are important.
Summary of the invention
The object of this invention is to provide and be a kind ofly applicable to different linear, the different earthing corrugated sheet pipe culvert structure across footpath, linear after effectively keeping corrugated culvert assembled, and once the large inner support system across earthing corrugated sheet pipe culvert construction period and mounting method thereof that the control pipe culvert deflection that local or asymmetrical deformation provide support occurs in pipe culvert construction backfill process.
In order to reach above-mentioned purpose, the present invention adopts following technical scheme:
Greatly across the inner support system of earthing corrugated sheet pipe culvert construction period, comprise the support bar of intersection, between support bar, stull is set, the two ends of stull are connected to the top of a support bar separately, the two ends of every root support bar are fixed with end support saddle respectively, support bar is arranged in a crossed manner, by two support bars, inner support is carried out to whole corrugated sheet pipe culvert structure, stull is set between support bar and connects support bar, it is the Stability Analysis of Structures in order to inner support system, end support saddle, not only for the end of stable support bar, increases the contact area of support bar and pipe culvert inwall simultaneously.
Further, end support saddle comprises sections corrugated sheet and steel plate, sections corrugated sheet is arranged along corrugated sheet pipe culvert inwall, one end of steel plate is by end angle steel connecting joint section corrugated sheet, support bar described in the other end connects, end support saddle is used for the end of stable support bar, and sections corrugated sheet is in order to evenly to diffuse to the concentrated force of support bar end on pipe culvert inwall.
Further, support bar comprises common sections and adjustable sections, the common sections of multistage connects setting successively, adjustable sections is arranged between two sections of common sections, support bar comprises the common sections of multistage and adjustable sections, facilitates dismounting and carries, making whole device recycling rate of waterused high, meanwhile, adjustable sections makes inner support system meet the cross section pipe culvert of different size.
Further, middle part crossover node is had at the infall of two support bars intersected, every root support bar be divide into upper portion and hypomere part by arranging of crossover node of middle part, and upper portion and hypomere part can isometric or Length discrepancy, and then add the range of application of inner support system.
Further, middle part crossover node comprises two sections of middle part angle steel, and undertaken fastening by crab-bolt between two sections of middle part angle steel, the two ends of every section of middle part angle steel are connected with the described common sections on described support bar respectively.
Further, adjustable sections is metal sheet, is provided with the bolt hole that a row is gathered on a metal plate, by the permanent position selecting different bolts hole to fix adjustable sections and common sections, realizes the adjustment of support bar length.
Further, described steel plate arranges the angle steel for stablizing described end support saddle, one end of angle steel is fixed on steel plate, and the other end of angle steel is fixed on the angle steel of described end, arranges angle steel for stable end support saddle and to stage corrugated sheet dispersion power transmission.
Further, stull comprises common stull sections and adjustable stull sections, the common sections of multistage connects setting successively, adjustable sections is arranged between two sections of common sections, the setting of stull, assist and stablize two support bars, simultaneously for adaptation support bar is adjustable, stull also needs to be adjustable length.
Further, between described end support saddle and corrugated sheet pipe culvert inwall, be provided with rubber spacer, rubber spacer both can be anti-skidding, can play a protective role again to corrugated culvert inwall.
The mounting method of inner support system, specifically comprises the following steps:
1), in corrugated sheet pipe culvert installation process, after often having spliced setting width, the permanent position at every root support bar two ends is selected according to the features of shape of pipe culvert;
2) according to the permanent position chosen, the bottom first in corrugated sheet pipe culvert arranges two end support saddles;
3) with two of bottom end support saddles for starting point, the common sections that is connected with end support saddle is set, adjustable sections is set between the common sections of multistage;
4) middle part crossover node is set at the infall of two support bars;
5) continue to arrange along middle part crossover node the common sections that multistage connects successively, adjustable sections is set between common sections;
6) continue to arrange end support saddle on the top of two support bars;
7) stull be connected with support bar is set between two support bars.
Operating principle of the present invention is: large across earthing corrugated sheet pipe culvert construction period, by arranging the support bar of intersection, the two ends of support bar are connected with corrugated sheet pipe culvert inwall by end support saddle, every root support bar is made to be divided into upper portion and hypomere part by middle part crossover node in the middle of the support bar intersected, these two sections of parts are all fixedly connected with middle part crossover node by fastener, angle between two support bars can be adjusted by middle part crossover node, and upper portion and hypomere part can Length discrepancy, namely can according to the cross sectional shape of pipe culvert, determine upper portion on a support bar and the length of hypomere part and the angle of two support bars particularly, in addition, support bar is made up of multistage sections, comprises common sections and adjustable sections, and adjustable sections achieves the extension of whole support bar length, the stull length simultaneously connecting two supporting bar tops is also adjustable, makes this inner support system be applicable to the pipe culvert structure of different spans like this.
The invention has the beneficial effects as follows:
1) support bar adjustable in length, support bar divides common support bar sections and adjustable support bar sections, can be connected with common sections by the bolt hole that length is being applicable to adjusting adjustable sections, to adapt to different cross dimensions sizes with span according to actual pipe culvert shape.
2) end support saddle reasonable stress, convenient disassembly: end support saddle is fixed on corrugated sheet pipe culvert inwall by sections corrugated sheet, sections corrugated sheet and pipe culvert corrugated sheet use same size, identical radian measure corrugated sheet, make strong point concentrated force evenly diffuse on pipe culvert corrugated sheet; Sections corrugated sheet and pipe culvert contact surface arrange rubber spacer, namely anti-skidding, can play a protective role to pipe culvert corrugated steel again.
3) middle part crosspoint structure structure rationally: the setting of middle part crossover node, facilitate the adjustment of angle between support bar, again by support bar and the stull of adjustable length, total is made to be applicable to the pipe culvert structure of arbitrary cross-section shape and span, as arbitrary shape sections such as circle, pipeline overhead lifting shape, horizontal and vertical ellipses.
4) transport, easy to assembly, can reuse: inner support system comprises support bar, stull and end support saddle, every part is all independently, each ingredient size, weight are all less, facilitate transport and assembling, and with bolts, realize reusing.
Accompanying drawing explanation
Fig. 1 is overall structure figure when inner support system is arranged in pipe culvert in the present invention;
Fig. 2 is the structure chart of medial end portions bearing of the present invention;
Fig. 3 is the structure chart of middle part crossover node in the present invention;
Fig. 4 is the enlarged drawing at Fig. 1 medial end portions bearing place of the present invention.
Wherein: 1. angle steel, 2. end angle steel, 3. sections corrugated sheet, 4. steel plate, 5. the first bolt, 6. sections angle steel, 7. angle steel in the middle part of, 8. crab-bolt, 9. corrugated sheet pipe culvert, 10. rubber spacer, 11. second bolts, 12. adjustable stull sections, 13. stulls, crossover node in the middle part of in the of 14., 15. adjustable sections, 16. common sections.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.
Fig. 1 is overall structure figure when inner support system is arranged in pipe culvert in the present invention, greatly across the inner support system of earthing corrugated sheet pipe culvert construction period, comprise two support bars intersected, the length of support bar is adjustable, stull 13 is set between two support bars, the two ends of stull 13 are connected to the top of a support bar separately, and stull 13 is horizontally disposed substantially, and the two ends of every root support bar are fixed with end support saddle respectively; Support bar comprises common sections 16 and adjustable sections 15, the common sections 16 of multistage connects setting successively, adjustable sections 15 is arranged between two sections of common sections 16, fixed by the second bolt 11 between sections and sections, facilitate dismounting like this and carry, make whole device recycling rate of waterused high, meanwhile, adjustable sections 15 makes inner support system meet the cross section pipe culvert of different size; Adjustable sections 15 is metal sheet, is provided with the bolt hole that a row is gathered on a metal plate, connects adjustable sections 15 and common sections 16 by bolt hole.
Particularly, common sections 16 selects the angle with equal legs of 63mm*63mm*6mm, and every section of common sections 16 length selects 150cm, is fixed between every section of common sections 16 by the second bolt 11.
Stull 13 comprises common stull sections and adjustable stull sections 12, the common sections 16 of multistage connects setting successively, adjustable stull sections 12 is arranged between two sections of common stull sections, the setting of stull 13, assist and stablize two support bars, simultaneously for adaptation support bar is adjustable, stull 13 also needs to be adjustable length.
Fig. 2 is the structure chart of medial end portions bearing of the present invention; rubber spacer 10 is provided with between end support saddle and corrugated sheet pipe culvert 9 inwall; rubber spacer 10 both can be anti-skidding; can play a protective role to ripple firm pipe culvert 9 inwall again, rubber spacer 10 and sections corrugated sheet 3 are all fixed on the crest of the inwall of corrugated sheet pipe culvert 9 by the first bolt 5.
End support saddle comprises sections corrugated sheet 3, end angle steel 2 and steel plate 4, sections corrugated sheet 3 is arranged along corrugated sheet pipe culvert 9 inwall, end angle steel 2 is arranged on the inner side of sections corrugated sheet 3, the trough place of corrugated sheet pipe culvert 9 inwall is fixed on by the first bolt 5, one end of steel plate 4 is fixed on the centre of end angle steel 2, support bar described in the other end connects, end support saddle is used for the end of stable support bar, and sections corrugated sheet 3 is in order to evenly to diffuse on corrugated sheet pipe culvert 9 inwall by the concentrated force of support bar end, be provided with for angle steel 1 that is stable and dispersion power transmission in the both sides of steel plate 4, one end of angle steel 1 is fixed on steel plate 4, the other end of angle steel 4 is fixed on end angle steel 2, such angle steel 1, end angle steel 2 and steel plate 4 form a stable triangular structure, particularly, sections corrugated sheet 3 carries out prefabricated according to the steel plate 4 ripple model of corrugated sheet pipe culvert 9 and radian, sections corrugated sheet 3 is fixed along the direction of sections corrugated sheet 3 angle with equal legs (end angle steel 2) of a 63mm*63mm*6mm, one end of steel plate 4 is fixed on angle with equal legs, one end of angle steel 1 is fixed on angle with equal legs, the other end is fixed on steel plate 4, steel plate 4 width is 10cm, thickness is 8mm, the angle with equal legs of 63mm*63mm*6mm selected by angle steel 1.
Fig. 4 is the enlarged drawing of Fig. 1 medial end portions bearing, angle steel 1 in Fig. 2 not shown in FIG., rubber spacer 10 and sections corrugated sheet 3 are all fixed on the inwall of corrugated sheet pipe culvert 9 by the first bolt 5, one side of end angle steel 2 is connected with sections corrugated sheet 3, another side and steel plate 4 are fixed, the common sections 16 of fixed support bar on steel plate 4, is fixed the common stull sections of stull 13 and common sections 16.
Fig. 3 is the structure chart of middle part crossover node in the present invention, middle part crossover node 14 is had at the infall of two support bars intersected, every root support bar be divide into upper portion and hypomere part by arranging of crossover node 14 of middle part, achieving upper portion and hypomere part can Length discrepancy, and facilitates the adjustment of support bar intersecting angle; Middle part crossover node 14 is comprised between the angle steel 7 of 7, two sections, angle steel middle part, two sections of middle parts and being connected by crab-bolt 8, and realize the angle between free adjustment two support bar, the two ends of every section of middle part angle steel 7 are connected with the common sections 16 on described support bar respectively.Particularly, middle part crossover node 14 adopts the not angle with equal legs of 100mm*63mm*8mm, and the long limb of 100mm is used for being tied together mutually, not the desirable 60cm of the length of angle with equal legs.
The mounting method of inner support system, specifically comprises the following steps:
1), in corrugated sheet pipe culvert 9 installation process, after often having spliced setting width, the permanent position at every root support bar two ends is selected according to the features of shape of pipe culvert;
2) according to the permanent position chosen, the bottom first in corrugated sheet pipe culvert 9 arranges two end support saddles;
3) with two of bottom end support saddles for starting point, the common sections 16 that is connected with end support saddle is set, adjustable sections 15 is set between the common sections of multistage 16;
4) middle part crossover node 14 is set at the infall of two support bars;
5) continue to arrange along middle part crossover node 14 the common sections 16 that multistage connects successively, adjustable sections 15 is set between common sections 16;
6) continue to arrange end support saddle on the top of two support bars;
7) stull 13 be connected with support bar is set between two support bars.
Large across earthing corrugated sheet pipe culvert construction period, by arranging the support bar of intersection, stable support bar is carried out by end support saddle and corrugated sheet pipe culvert 9 contact internal walls in the two ends of support bar, every root support bar is made to be divided into upper portion and hypomere part by middle part crossover node 14 in the middle of the support bar intersected, these two sections of parts are all fixedly connected with middle part crossover node 14 by fastener, make upper portion and hypomere part not on the same line, angle between two support bars can be adjusted by middle part crossover node 14, and upper portion and hypomere part can Length discrepancy, namely can according to the cross sectional shape of pipe culvert, determine upper portion on a support bar and the length of hypomere part and the angle of two support bars particularly, in addition, support bar is made up of multistage sections, comprises common sections 16 and adjustable sections 15, and adjustable sections 15 achieves the extension of whole support bar length, the stull length simultaneously connecting two supporting bar tops is also adjustable, makes this inner support system be applicable to the pipe culvert structure of different spans like this.
The adjustment of support bar length can be connected with end support saddle the sections being connected varying number between support at middle part crossover node, adjustable sections 15 can be adopted when length range is less than a sections, adjustable sections 15 is the link bolt hole having a row to gather with common sections 16 difference, can be connected with both sides sections with suitable bolt hole as required.
Can fix after inner supporting body is tied to form type splicing install after corrugated sheet pipe culvert linear, and in backfill work progress afterwards controls local and asymmetrical deformation, and on the systematicness distortion not impact in the symmetrical backfill construction process of normal layering.
After pipe culvert construction backfill to minimize earth filling, the interaction of soil and structure of corrugated sheet pipe culvert is formed, and can lay down inner support system, can switch and continue to use to the construction of other pipe culvert according to the order of first removing stull and remove cross support.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. greatly across the inner support system of earthing corrugated sheet pipe culvert construction period, it is characterized in that, comprise the support bar of intersection, stull is set between support bar, the two ends of stull are connected to the top of a support bar separately, and the two ends of every root support bar are fixed with end support saddle respectively.
2. inner support system as claimed in claim 1, it is characterized in that, described end support saddle comprises sections corrugated sheet and steel plate, and sections corrugated sheet is arranged along corrugated sheet pipe culvert inwall, end angle steel connecting joint section corrugated sheet is passed through in one end of steel plate, the support bar described in the other end connects.
3. inner support system as claimed in claim 1, it is characterized in that, described support bar comprises common sections and adjustable sections, and the common sections of multistage connects setting successively, and adjustable sections is arranged between two sections of common sections.
4. inner support system as claimed in claim 3, is characterized in that, has middle part crossover node at the infall of two support bars intersected.
5. inner support system as claimed in claim 4, it is characterized in that, described middle part crossover node comprises two sections of middle part angle steel, and undertaken fastening by crab-bolt between two sections of middle part angle steel, the two ends of every section of middle part angle steel are connected with the described common sections on described support bar respectively.
6. inner support system as claimed in claim 3, it is characterized in that, described adjustable sections is metal sheet, is provided with the bolt hole that a row is gathered on a metal plate.
7. inner support system as claimed in claim 2, it is characterized in that, described steel plate arranges the angle steel for stablizing described end support saddle, and one end of angle steel is fixed on steel plate, and the other end of angle steel is fixed on the angle steel of described end.
8. inner support system as claimed in claim 1, it is characterized in that, described stull comprises common stull sections and adjustable stull sections, and the common sections of multistage connects setting successively, and adjustable sections is arranged between two sections of common sections.
9. inner support system as claimed in claim 1, is characterized in that, between described end support saddle and corrugated sheet pipe culvert inwall, be provided with rubber spacer.
10. the mounting method of the inner support system as described in above-mentioned arbitrary claim 1-9, is characterized in that, specifically comprise the following steps:
1), in corrugated sheet pipe culvert installation process, after often having spliced setting width, the permanent position at every root support bar two ends is selected according to the features of shape of pipe culvert;
2) according to the permanent position chosen, the bottom first in corrugated sheet pipe culvert arranges two end support saddles;
3) with two of bottom end support saddles for starting point, the common sections that is connected with end support saddle is set, adjustable sections is set between the common sections of multistage;
4) middle part crossover node is set at the infall of two support bars;
5) continue to arrange along middle part crossover node the common sections that multistage connects successively, adjustable sections is set between common sections;
6) continue to arrange end support saddle on the top of two support bars;
7) stull be connected with support bar is set between two support bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468442.3A CN105133510B (en) | 2015-07-31 | 2015-07-31 | Inner support system and mounting method thereof in large span earthing corrugated plate pipe culvert construction period |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468442.3A CN105133510B (en) | 2015-07-31 | 2015-07-31 | Inner support system and mounting method thereof in large span earthing corrugated plate pipe culvert construction period |
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| CN105133510A true CN105133510A (en) | 2015-12-09 |
| CN105133510B CN105133510B (en) | 2017-05-10 |
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| CN201510468442.3A Active CN105133510B (en) | 2015-07-31 | 2015-07-31 | Inner support system and mounting method thereof in large span earthing corrugated plate pipe culvert construction period |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779256A (en) * | 2018-12-24 | 2019-05-21 | 中国建筑第八工程局有限公司 | Construction method and application suitable for polygon wind tunnel body structure |
| CN112696053A (en) * | 2020-12-21 | 2021-04-23 | 中国二十冶集团有限公司 | Arch-shaped support system and support method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5037542A (en) * | 1989-10-10 | 1991-08-06 | Carroll Kenneth T | Protective grating with pivoting sections for culvert pipe |
| DE19950615A1 (en) * | 1999-10-20 | 2001-05-31 | Roland Kehl | Traction and compression rod for support structures such as bridges comprises inner and outer tubes with telescopic extension and containing reinforcement elements which fit inside the tube spaced out from each other |
| CN203257123U (en) * | 2013-04-03 | 2013-10-30 | 成都佳美嘉科技有限公司 | Building supporting frame convenient to fold |
| CN203393960U (en) * | 2013-07-25 | 2014-01-15 | 苏州金螳螂建筑装饰股份有限公司 | Welding-free steel frame assembly structure |
| CN203509462U (en) * | 2013-11-19 | 2014-04-02 | 中国二十二冶集团有限公司 | Inner support device for large-diameter pipe welding |
| CN204112227U (en) * | 2014-08-28 | 2015-01-21 | 中交第二航务工程局有限公司 | Adjustable strand bracket |
| CN204135595U (en) * | 2014-08-29 | 2015-02-04 | 刘德华 | Adjustable pipeline welding bracing frame |
| CN104773383A (en) * | 2015-03-30 | 2015-07-15 | 江南嘉捷电梯股份有限公司 | Truss transporting bracket with adjustable supporting height |
-
2015
- 2015-07-31 CN CN201510468442.3A patent/CN105133510B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5037542A (en) * | 1989-10-10 | 1991-08-06 | Carroll Kenneth T | Protective grating with pivoting sections for culvert pipe |
| DE19950615A1 (en) * | 1999-10-20 | 2001-05-31 | Roland Kehl | Traction and compression rod for support structures such as bridges comprises inner and outer tubes with telescopic extension and containing reinforcement elements which fit inside the tube spaced out from each other |
| CN203257123U (en) * | 2013-04-03 | 2013-10-30 | 成都佳美嘉科技有限公司 | Building supporting frame convenient to fold |
| CN203393960U (en) * | 2013-07-25 | 2014-01-15 | 苏州金螳螂建筑装饰股份有限公司 | Welding-free steel frame assembly structure |
| CN203509462U (en) * | 2013-11-19 | 2014-04-02 | 中国二十二冶集团有限公司 | Inner support device for large-diameter pipe welding |
| CN204112227U (en) * | 2014-08-28 | 2015-01-21 | 中交第二航务工程局有限公司 | Adjustable strand bracket |
| CN204135595U (en) * | 2014-08-29 | 2015-02-04 | 刘德华 | Adjustable pipeline welding bracing frame |
| CN104773383A (en) * | 2015-03-30 | 2015-07-15 | 江南嘉捷电梯股份有限公司 | Truss transporting bracket with adjustable supporting height |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779256A (en) * | 2018-12-24 | 2019-05-21 | 中国建筑第八工程局有限公司 | Construction method and application suitable for polygon wind tunnel body structure |
| CN112696053A (en) * | 2020-12-21 | 2021-04-23 | 中国二十冶集团有限公司 | Arch-shaped support system and support method |
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|---|---|
| CN105133510B (en) | 2017-05-10 |
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Address after: 250031 Shandong Province Flyover District of Ji'nan city Shanxi Road No. 576. Patentee after: Shandong transportation planning and Design Institute Co.,Ltd. Address before: 250031 Shandong Province Flyover District of Ji'nan city Shanxi Road No. 576. Patentee 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 Patentee after: Shandong transportation planning and Design Institute Group Co.,Ltd. Address before: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Patentee before: Shandong transportation planning and Design Institute Co.,Ltd. |