CN206538788U - Prefabricated piping lane - Google Patents
Prefabricated piping lane Download PDFInfo
- Publication number
- CN206538788U CN206538788U CN201720168015.8U CN201720168015U CN206538788U CN 206538788 U CN206538788 U CN 206538788U CN 201720168015 U CN201720168015 U CN 201720168015U CN 206538788 U CN206538788 U CN 206538788U
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- CN
- China
- Prior art keywords
- piping lane
- pipe rack
- prestressing force
- prefabricated
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of prefabricated piping lane, including：Multiple piping lane units mutually spliced, the piping lane unit includes the first Pipe rack and the second Pipe rack of docking connection up and down, piping lane accommodation space has been internally formed after first Pipe rack and second Pipe rack docking, the joint of first Pipe rack and second Pipe rack is provided with prestressing force dowel, and first Pipe rack and second Pipe rack are connected by the prestressing force dowel；And the prestressing force longitudinal rib of direction setting is moved towards along prefabricated piping lane, two adjacent piping lane units through two adjacent piping lane units and are connected by the prestressing force longitudinal rib.Dock to form piping lane unit using the first Pipe rack and the second Pipe rack, assembled the number of components is reduced, consolidation service amount is reduced, it is possible to increase installation rate, and interstructural connection uses prestressing force dowel and prestressing force longitudinal rib, considerably reduces the wet trade at scene.
Description
Technical field
The utility model is related to Pipe rack in the realm of building construction, refers in particular to a kind of assembled prefabricated piping lane formed.
Background technology
Pipe gallery is to integrate power cable, telecommunications, feedwater, reclaimed water, heating power, rain sewage, combustion gas etc. synthetically
Lower structures.Existing pipe gallery construction has two kinds, and a kind of is cast-in-place pipe gallery, another synthesis for precast assembly
Piping lane, cast-in-place pipe gallery situ wet operation is big, and the operating space needed make it that greatly the excavated area of piping lane foundation ditch is big, applies
The work cycle is long.And the wet trade amount at the pipe gallery of the precast assembly scene of can significantly reducing, relative to cast-in-place integrated pipe
Corridor can shorten construction period, solve the problems of traditional cast-in-place pipe gallery.But it is due to current precast assembly
Pipe gallery is to carry out on-site consolidation by prefabricated base plate member, top plate member and wall plate member to be formed, and the company between component
Connect and connected in the form of casting concrete, it still suffers from more wet trade, and the number of components is more, consolidation service amount is big.
Utility model content
The purpose of this utility model is that the defect for overcoming prior art, there is provided a kind of prefabricated piping lane, solves prior art
In precast assembly pipe gallery exist live more wet trade, the problem of many consolidation service amounts of the number of components are big.
Realizing the technical scheme of above-mentioned purpose is：
The utility model provides a kind of prefabricated piping lane, including：
Multiple piping lane units mutually spliced, the piping lane unit includes the first Pipe rack and the of docking connection up and down
Piping lane accommodation space, institute have been internally formed after two Pipe racks, first Pipe rack and second Pipe rack docking
The joint for stating the first Pipe rack and second Pipe rack is provided with prestressing force dowel, passes through the prestressing force dowel
Connect first Pipe rack and second Pipe rack；And
The prestressing force longitudinal rib of direction setting is moved towards along prefabricated piping lane, the prestressing force longitudinal rib is through two adjacent pipes
Two adjacent piping lane units are simultaneously connected by corridor unit.
Dock to form piping lane unit using the first Pipe rack and the second Pipe rack, reduce assembled the number of components, subtract
Few consolidation service amount, it is possible to increase installation rate, and interstructural connection uses prestressing force dowel and prestressing force longitudinal rib, pole
The earth reduces the wet trade at scene, and the utility model farthest realizes the mechanization and industrialization of piping lane construction, compared with
Traditional handicraft is constructed, and efficiency improves 3 times to 5 times, saves the duration more than 50%.Prefabricated piping lane of the present utility model is applied to single storehouse
To the pipe gallery in four storehouses, solve the problem of more than two storehouses can not be prefabricated.
The prefabricated piping lane of the utility model further improvement is that, the interface of first Pipe rack is continuous convex
Concave surface, the interface of second Pipe rack is corresponding continuous male and female face, the interface of second Pipe rack
Fitted with the interface of first Pipe rack, the prestressing force dowel is through first Pipe rack and described the
The interface and drawknot of two Pipe racks fix first Pipe rack and second Pipe rack.
The prefabricated piping lane of the utility model further improvement is that, the prestressing force dowel is curved；
The medial surface of first Pipe rack is provided with the first operation at the interface of first Pipe rack
The first connecting hole worn for the prestressing force dowel, first connection are preset with hole, and first Pipe rack
Hole is connected with first handle hole；
The medial surface of second Pipe rack is provided with the second operation at the interface of second Pipe rack
The second connecting hole worn for the prestressing force dowel, second connection are preset with hole, and second Pipe rack
Hole is connected with second handle hole；
The first end of the prestressing force dowel is inserted into first connecting hole from first handle hole, and through described
Second connecting hole is passed from second handle hole, and the first end of the prestressing force dowel is anchored on second handle hole
Interior, second end relative with the first end of the prestressing force dowel is placed at first handle hole and is anchored on described
In first handle hole.
The prefabricated piping lane of the utility model further improvement is that, first Pipe rack include piping lane top plate, formed
In the first piping lane Side fascia and the first piping lane for being formed on the inside of the piping lane top plate of the side of piping lane top plate two every
Wallboard；
Second Pipe rack includes piping lane bottom plate corresponding with the piping lane top plate, is formed at the piping lane bottom plate two
Second piping lane Side fascia of side and the second piping lane mid-board plate being formed on the inside of piping lane bottom plate；
The first piping lane Side fascia docks to form piping lane Side fascia with the second piping lane Side fascia；First piping lane
Mid-board plate and the second piping lane mid-board plate dock to form piping lane mid-board plate.
The prefabricated piping lane of the utility model further improvement is that, at the inner corner trim in the piping lane unit be provided with haunch knot
The through hole worn for the prestressing force longitudinal rib is installed with structure, the haunch structure.
The prefabricated piping lane of the utility model further improvement is that, the first Pipe rack between two adjacent piping lane units
Mutually stagger setting with the abutment joint of the second Pipe rack.
The prefabricated piping lane of the utility model further improvement is that, be formed with the Mosaic face of adjacent two piping lane units
The interface arrangment being adapted.
The prefabricated piping lane of the utility model further improvement is that, the Mosaic face be provided with waterproof adhesive tape.
The prefabricated piping lane of the utility model further improvement is that, on the Mosaic face close to the prefabricated piping lane outside
It is provided with sealing rod.
The prefabricated piping lane of the utility model further improvement is that, the top surface of first Pipe rack is provided with for lifting
The first suspender, the bottom surface of second Pipe rack is provided with the second suspender for lifting.
Brief description of the drawings
Fig. 1 is the structural representation of the prefabricated piping lane of the utility model.
Fig. 2 is the structural representation of piping lane unit in the prefabricated piping lane of the utility model.
Fig. 3 is the side view of a piping lane unit in two neighboring piping lane unit in the prefabricated piping lane of the utility model.
Fig. 4 is the side view of another piping lane unit in two neighboring piping lane unit in the prefabricated piping lane of the utility model.
Fig. 5 is the sectional view of piping lane Side fascia stitching portion in two neighboring piping lane unit in the prefabricated piping lane of the utility model.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Refering to Fig. 1, the utility model provides a kind of prefabricated piping lane, for integrated pipe under the concrete ground of precast construction
Corridor, is a kind of easy economic construction method, farthest realizes mechanization and industrialization.Compared with traditional handicraft construction, effect
Rate improves 3 times to 5 times, and situ wet operation greatly reduces, and installation rate is fast, saves the duration more than 50%, and of the present utility model
Prefabricated piping lane is applied to the pipe gallery in single storehouse to four storehouses, solve more than two storehouses can not be prefabricated hang-up.With reference to attached
Figure is illustrated to the structure of the prefabricated piping lane of the utility model.
As shown in figure 1, the prefabricated piping lane 20 that the utility model is provided includes multiple piping lane units 21 mutually spliced and many
Individual prestressing force longitudinal rib 22, prestressing force longitudinal rib 22 is set along the direction of moving towards of prefabricated piping lane 20, two adjacent for connecting
Piping lane unit 21.With reference to shown in Fig. 2, piping lane unit 21 includes the first Pipe rack 211 and the second piping lane of docking connection up and down
Piping lane accommodation space 215 has been internally formed after structure 212, the first Pipe rack 211 and the docking of the second Pipe rack 212, with reference to
Shown in Fig. 3, the joint of the first Pipe rack 211 and the second Pipe rack 212 is provided with prestressing force dowel 213, by advance should
Power dowel 213 connects the first Pipe rack 211 and the second Pipe rack 212.In assembled prefabricated piping lane 20, first by the first pipe
The docking of the Pipe rack 212 of corridor structure 211 and second forms piping lane unit 21, and joint is opened using prestressing force dowel 213
Draw and fix, then two piping lane units 21 are spliced into alignment, joint is fixed using the tensioning of prestressing force longitudinal rib 22, pre-stressed longitudinal to
Two adjacent piping lane units 21 through two adjacent piping lane units 21 and are connected by muscle 22., can in practice of construction
Can be 5 piping lane units 21, or 4 pipes to fix multiple piping lane units 21 using the tensioning of prestressing force longitudinal rib 22
Multiple tensioning of piping lane unit 21 are formed an overall section by corridor unit 21 by prestressing force longitudinal rib 22.
Dock to form piping lane unit using the first Pipe rack and the second Pipe rack, the structure of piping lane unit is prefabricated pipe
The segmentation that corridor is integrally carried out on direction is moved towards, it is for existing prefabricated piping lane, and the number of components is few, consolidation service amount
It is small, it is possible to increase installation rate.Connected between first Pipe rack and the second Pipe rack by prestressing force dowel, it is adjacent
Connected between two piping lane units using prestressing force longitudinal rib, considerably reduce the wet trade at scene, attended operation is simply fast
Speed is convenient.
As a better embodiment of the present utility model, as shown in figure 3, the interface of the first Pipe rack 211 is company
Continuous male and female face, the i.e. interface are a continuous scraggly surface, and the interface of the second Pipe rack 212 is corresponding
Continuous male and female face, be continuous scraggly surface corresponding with the interface of the first Pipe rack 211, the first pipe
When two interfaces of the Pipe rack 212 of corridor structure 211 and second fit, two scraggly surfaces are just meshed,
The interface and drawknot of prestressing force dowel 213 through the first Pipe rack 211 and the second Pipe rack 212 fix the first piping lane
The Pipe rack 212 of structure 211 and second.
As another better embodiment of the present utility model, as shown in figure 3, prestressing force dowel 213 is curved, have
The relative end 2132 of first end 2131 and second；Docking of the medial surface of first Pipe rack 211 close to the first Pipe rack 211
The first handle hole 2112 is provided with face, and is preset with the first Pipe rack 211 the worn for prestressing force dowel 213
One connecting hole, first connecting hole is connected with the first handle hole 2112；The medial surface of second Pipe rack 212 is close to the second pipe
The second handle hole 2122 is provided with the interface of corridor structure 212, and is preset with the second Pipe rack 212 for prestressing force company
The second connecting hole that muscle 213 is worn is connect, second connecting hole is connected with the second handle hole 2122 and the first connecting hole；Installing
When the first Pipe rack 211 and the second Pipe rack 212, the first Pipe rack 211 is placed on the second Pipe rack 212, both
Interface fit, the first end 2131 of prestressing force dowel 213 is inserted into the first connecting hole from the first handle hole 2112
In, and passed through the second connecting hole from the second handle hole 2122, the first end 2131 of the prestressing force dowel 213 is anchored on second
In handle hole 2122, the second end 2132 of prestressing force dowel 213 is placed at the first handle hole 2112 and is anchored on the first operation
In hole 2112.When fastening prestressing force dowel 213, prestressing force is formed it into the prestressing force dowel 213 progress tensioning tight
Gu the first Pipe rack 211 and the second Pipe rack 212, then again by the first end 2131 and second of prestressing force dowel 213
End 2132 is fixed.
As another better embodiment of the present utility model, as shown in Figure 3 and Figure 4, the first Pipe rack 211 includes pipe
Corridor top plate 23, the first piping lane Side fascia 251 for being formed at 23 liang of sides of piping lane top plate and it is formed at the inner side of piping lane top plate 23
First piping lane mid-board plate 261, the second Pipe rack 212 includes piping lane bottom plate 24 corresponding with piping lane top plate 23, is formed at pipe
The second piping lane Side fascia 252 of 24 liang of sides of corridor bottom plate and the second piping lane mid-board plate for being formed at the inner side of piping lane bottom plate 24
262, when the first Pipe rack 211 and the docking of the second Pipe rack 212, the first piping lane Side fascia 251 and the second piping lane Side fascia
252 docking form piping lane Side fascia 25, and the first piping lane mid-board plate 261 and the docking of the second piping lane mid-board plate 261 form piping lane
Mid-board plate 26.Piping lane top plate 23, piping lane bottom plate 24 and the piping lane Side fascia 25 positioned at two sides enclose to form prefabricated piping lane 20,
Fig. 3 and Fig. 4 are shown as the prefabricated piping lane 20 with piping lane mid-board plate 26, by piping lane mid-board plate 26 by prefabricated piping lane
Piping lane accommodation space 215 inside 20 is separated to form the prefabricated piping lane 20 in two regions, as two storehouse types.Certain the utility model
Prefabricated piping lane 20 may be omitted with the prefabricated piping lane that piping lane mid-board plate 26 forms single storehouse type, can also set in multiple piping lanes
Partition plate 26 forms the prefabricated piping lane of many storehouse types, such as three storehouse types, the four prefabricated piping lanes of storehouse type.First piping lane knot of the present utility model
The interface of structure 211 is the end face of the first piping lane Side fascia 251 and the end face of the first piping lane mid-board plate 261, the second piping lane knot
The interface of structure 212 is the end face of the second piping lane Side fascia 252 and the end face of the second piping lane mid-board plate 262.
It is used as another better embodiment of the present utility model, as shown in Figures 2 and 3, the inner corner trim 216 in piping lane unit 21
Place is provided with the through hole 2171 for being installed with and being worn for prestressing force longitudinal rib 22 in haunch structure 217, haunch structure 217.Inner corner trim 216
Including piping lane Side fascia 25 and piping lane top plate 23, the angle of piping lane bottom plate 24, piping lane mid-board plate 26 and piping lane top plate 23, piping lane
The angle of bottom plate 24.With reference to shown in Fig. 1, when two adjacent piping lane units 21 splice, running through in corresponding haunch structure 217
Hole 2171 is aligned, and prestressing force longitudinal rib 22 is inserted into the through hole 2171 of alignment, and the shape of post-stress longitudinal rib 22
Two adjacent piping lane units 21 are fastened into prestressing force.
Two shown as shown in Figure 1, Figure 3 and Figure 4 as yet another better embodiment of the present utility model, adjacent piping lanes
The abutment joint 218 of the first Pipe rack 211 and the second Pipe rack 212 between unit 21 mutually staggers setting.
It is used as better embodiment another again of the present utility model, as depicted in figs. 1 and 2, two adjacent piping lane units
The interface arrangment 2141 being adapted is formed with 21 Mosaic face 214, when two piping lane units 21 splice, the Mosaic face fitted
Interface arrangment 2141 on 214 is meshed.The interface arrangment 2141 is and corresponding to form the boss on a Mosaic face 214
Another upper recess surface of Mosaic face 214 is formed, boss and concave surface are involutory during splicing.It is preferred that being provided with waterproof on Mosaic face 214
Adhesive tape 2142, the waterproof adhesive tape 2142 is located at the middle part of Mosaic face 214.As shown in figure 5, close to prefabricated piping lane on Mosaic face 214
20 outside is provided with sealing rod 2143, plays a part of sealing.For convenience of the first Pipe rack 211 of lifting and the second piping lane knot
Structure 212, as shown in Figure 3 and Figure 4, the top surface of the first Pipe rack 211 are provided with the first suspender 2113 for lifting, the second pipe
The bottom surface of corridor structure 212 is provided with the second suspender 2123 for lifting.
The assembled process of the prefabricated piping lane of the utility model is：
With reference to shown in Fig. 3 and Fig. 4, bed course 10 is poured at the position prior to piping lane to be onstructed, the second piping lane is then lifted
Structure 212, then the first Pipe rack 211 is lifted, the first Pipe rack 211 is placed on the second Pipe rack 212, answered using pre-
First Pipe rack 211 and the second Pipe rack 212 are connected fastening, vertical tension prestressing force dowel 213 by power dowel 213
A piping lane unit 21 is formed, so circulation forms at least two piping lane units 21, piping lane unit 21 is spliced into alignment, interts pre-
Stress longitudinal rib 22, one section of prefabricated piping lane of longitudinal formation of stretch-draw prestressing force longitudinal rib 22, one section of prefabricated piping lane at least includes two
Individual piping lane unit, preferably 5 piping lane units, outsourcing waterproof construction and then backfill complete the prefabricated piping lane construction of this section,
Next section of construction of beginning repeat the above steps until whole prefabricated piping lane construction is completed.
The utility model is described in detail above in association with accompanying drawing embodiment, those skilled in the art can root
Many variations example is made to the utility model according to described above.Thus, some of embodiment details should not be constituted to this practicality
New restriction, the utility model regard the scope defined using appended claims as protection domain of the present utility model.
Claims (10)
1. a kind of prefabricated piping lane, it is characterised in that including：
Multiple piping lane units mutually spliced, the piping lane unit includes the first Pipe rack of docking connection up and down and the second pipe
Piping lane accommodation space has been internally formed after corridor structure, first Pipe rack and second Pipe rack docking, described the
The joint of one Pipe rack and second Pipe rack is provided with prestressing force dowel, is connected by the prestressing force dowel
First Pipe rack and second Pipe rack；And
The prestressing force longitudinal rib of direction setting is moved towards along prefabricated piping lane, the prestressing force longitudinal rib runs through two adjacent piping lane lists
Two adjacent piping lane units are simultaneously connected by member.
2. prefabricated piping lane as claimed in claim 1, it is characterised in that the interface of first Pipe rack is continuous convex
Concave surface, the interface of second Pipe rack is corresponding continuous male and female face, the interface of second Pipe rack
Fitted with the interface of first Pipe rack, the prestressing force dowel is through first Pipe rack and described the
The interface and drawknot of two Pipe racks fix first Pipe rack and second Pipe rack.
3. prefabricated piping lane as claimed in claim 2, it is characterised in that the prestressing force dowel is curved；
The medial surface of first Pipe rack is provided with the first handle hole at the interface of first Pipe rack, and
The first connecting hole worn for the prestressing force dowel, first connecting hole and institute are preset with first Pipe rack
The first handle hole is stated to be connected；
The medial surface of second Pipe rack is provided with the second handle hole at the interface of second Pipe rack, and
The second connecting hole worn for the prestressing force dowel, second connecting hole and institute are preset with second Pipe rack
The second handle hole is stated to be connected；
The first end of the prestressing force dowel is inserted into first connecting hole from first handle hole, and through described second
Connecting hole is passed from second handle hole, and the first end of the prestressing force dowel is anchored in second handle hole, institute
Second end relative with the first end for stating prestressing force dowel is placed at first handle hole and is anchored on described first
In handle hole.
4. prefabricated piping lane as claimed in claim 1, it is characterised in that first Pipe rack includes piping lane top plate, formed
In the first piping lane Side fascia and the first piping lane for being formed on the inside of the piping lane top plate of the side of piping lane top plate two every
Wallboard；
Second Pipe rack includes piping lane bottom plate corresponding with the piping lane top plate, is formed at the side of piping lane bottom plate two
The second piping lane Side fascia and the second piping lane mid-board plate for being formed on the inside of piping lane bottom plate；
The first piping lane Side fascia docks to form piping lane Side fascia with the second piping lane Side fascia；In first piping lane every
Wallboard and the second piping lane mid-board plate dock to form piping lane mid-board plate.
5. prefabricated piping lane as claimed in claim 1, it is characterised in that haunch knot is provided with the inner corner trim in the piping lane unit
The through hole worn for the prestressing force longitudinal rib is installed with structure, the haunch structure.
6. prefabricated piping lane as claimed in claim 1, it is characterised in that the first Pipe rack between two adjacent piping lane units
Mutually stagger setting with the abutment joint of the second Pipe rack.
7. prefabricated piping lane as claimed in claim 1, it is characterised in that be formed with the Mosaic face of two adjacent piping lane units
The interface arrangment being adapted.
8. prefabricated piping lane as claimed in claim 7, it is characterised in that the Mosaic face is provided with waterproof adhesive tape.
9. prefabricated piping lane as claimed in claim 7, it is characterised in that close to the outside of the prefabricated piping lane on the Mosaic face
It is provided with sealing rod.
10. prefabricated piping lane as claimed in claim 1, it is characterised in that the top surface of first Pipe rack is provided with for lifting
First suspender, the bottom surface of second Pipe rack is provided with the second suspender for lifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720168015.8U CN206538788U (en) | 2017-02-23 | 2017-02-23 | Prefabricated piping lane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720168015.8U CN206538788U (en) | 2017-02-23 | 2017-02-23 | Prefabricated piping lane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206538788U true CN206538788U (en) | 2017-10-03 |
Family
ID=59948588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720168015.8U Expired - Fee Related CN206538788U (en) | 2017-02-23 | 2017-02-23 | Prefabricated piping lane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206538788U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203992A (en) * | 2017-12-01 | 2018-06-26 | 太原双鼎科技有限公司 | A kind of assembled underground pipe gallery |
| CN108487315A (en) * | 2018-05-16 | 2018-09-04 | 临沂市政集团有限公司 | A kind of mounting device for assembled underpass |
| CN109024677A (en) * | 2018-08-10 | 2018-12-18 | 上海公路桥梁（集团）有限公司 | Assembling method |
| CN110485462A (en) * | 2019-08-20 | 2019-11-22 | 中国建筑第八工程局有限公司 | Tunneling boring PC piping lane construction method of installation |
| CN111042205A (en) * | 2019-12-12 | 2020-04-21 | 上海市基础工程集团有限公司 | Splicing connection and fastening method for prefabricated box culvert |
| CN111794275A (en) * | 2020-06-29 | 2020-10-20 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated assembled comprehensive pipe gallery structure and construction method thereof |
| CN113668607A (en) * | 2021-08-24 | 2021-11-19 | 中国建筑第八工程局有限公司 | Splicing construction method for prefabricated comprehensive pipe gallery |
-
2017
- 2017-02-23 CN CN201720168015.8U patent/CN206538788U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203992A (en) * | 2017-12-01 | 2018-06-26 | 太原双鼎科技有限公司 | A kind of assembled underground pipe gallery |
| CN108487315A (en) * | 2018-05-16 | 2018-09-04 | 临沂市政集团有限公司 | A kind of mounting device for assembled underpass |
| CN108487315B (en) * | 2018-05-16 | 2023-11-07 | 临沂市政集团有限公司 | Installation device for assembled street crossing channel |
| CN109024677A (en) * | 2018-08-10 | 2018-12-18 | 上海公路桥梁（集团）有限公司 | Assembling method |
| CN110485462A (en) * | 2019-08-20 | 2019-11-22 | 中国建筑第八工程局有限公司 | Tunneling boring PC piping lane construction method of installation |
| CN111042205A (en) * | 2019-12-12 | 2020-04-21 | 上海市基础工程集团有限公司 | Splicing connection and fastening method for prefabricated box culvert |
| CN111794275A (en) * | 2020-06-29 | 2020-10-20 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated assembled comprehensive pipe gallery structure and construction method thereof |
| CN113668607A (en) * | 2021-08-24 | 2021-11-19 | 中国建筑第八工程局有限公司 | Splicing construction method for prefabricated comprehensive pipe gallery |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20190223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |