CN110144963A - Variable storehouse assembled underground pipe gallery - Google Patents
Variable storehouse assembled underground pipe gallery Download PDFInfo
- Publication number
- CN110144963A CN110144963A CN201910514414.9A CN201910514414A CN110144963A CN 110144963 A CN110144963 A CN 110144963A CN 201910514414 A CN201910514414 A CN 201910514414A CN 110144963 A CN110144963 A CN 110144963A
- Authority
- CN
- China
- Prior art keywords
- piping lane
- wallboard
- rectangular
- rectangular fin
- pipe gallery
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
The present invention is variable, and assembled underground pipe gallery in storehouse is assembled by several piping lane monomers, and piping lane monomer includes piping lane wallboard, L-type corridor body connector, the first rectangular fin, the second rectangular fin, the second rectangular recess and prepared screw-bolt hole；The piping lane wallboard connects to form a closed rectangle by four L-type corridor body connectors, the both ends of piping lane wallboard are integrally provided with the first rectangular fin, the second rectangular fin and the second rectangular recess is respectively set on the piping lane wallboard of the left and right sides, the size of second rectangular fin and the second rectangular recess matches, it is connected between adjacent piping lane monomer by the second rectangular fin and the second rectangular recess interpolation along piping lane direction, the piping lane monomer has one, two or four pipe storehouse.The present invention is easy for installation, and structure is simple, and convenient transport, space is sufficient, waterproof effect is obvious, can be effectively solved the problem that construction is complicated, installation is complicated.
Description
Technical field
The invention belongs to underground construction technology fields, more particularly to a kind of variable storehouse assembled underground pipe gallery.
Background technique
The concept of underground utilities pipe gallery is built in city, the Europe originating from 19th century primarily occur ins France.
Paris since 1833 has been born after first underground utilities pipe gallery system in the world, has been had so far nearly 182 years
Development course.It is explored by a century, research, improvement and practice, technical level full maturity, and in external many cities
The modernization symbol and city public administration for having obtained tremendous expansion, and having had become for the flourishing urban municipal construction management of foreign countries
A part.
Underground pipe gallery system not only solves Urban Traffic Jam Based, also greatly facilitate electric power, communication, combustion gas,
The maintenance and maintenance of the urban operating mechanisms such as water supply and sewage.In addition, the system also has certain protection against and mitigation of earthquake disasters effect.Such as nineteen ninety-five Japan
During the big earthquakes in Osaka and Kobe, a large amount of house collapses in Kobe city, road are ruined, but the local most intact nothing of underground pipe gallery
Damage, this significantly reduces the difficulty of the disaster relief and reconstruction after shake.Underground pipe gallery is to meeting people's livelihood primary demand and raising
City integrated bearing capacity plays an important role.
But some underground pipe gallery globality poors, structure are not sufficiently stable, and piping lane space waste or deficiency, there are also installations to build
Time-consuming and laborious situation brings very big inconvenience to Urban Underground construction.
Summary of the invention
The object of the present invention is to provide a kind of variable storehouse assembled underground pipe galleries, and the Lang Cang number is variable, monolithic stability
Property it is high, be not in unbalance stress, local failure, overall structure is prefabricated steel reinforced concrete material, and overall structural strength is high, is able to satisfy comprehensive
Close the use condition of piping lane.Easy for installation, structure is simple, and convenient transport, space are sufficient, can be effectively solved construction it is complicated,
Complicated problem is installed.
In order to solve above-mentioned technical problem, The technical solution adopted by the invention is as follows:
Variable storehouse assembled underground pipe gallery, assembled by several piping lane monomers, the piping lane monomer includes several
Piping lane wallboard, L-type corridor body connector, the first rectangular fin, the second rectangular fin, the second rectangular recess and prepared screw-bolt hole；The pipe
Corridor wallboard connects to form a closed rectangle by four L-type corridor body connectors, and the both ends of piping lane wallboard are integrally provided with
The second rectangular fin and the second rectangular recess, the second rectangle is respectively set in first rectangular fin on the piping lane wallboard of the left and right sides
The size of rib and the second rectangular recess matches, and passes through the second rectangular fin and the between adjacent piping lane monomer along piping lane direction
The connection of two rectangular recess interpolations, the piping lane monomer have one, two or four pipe storehouse.
The piping lane monomer is separated into two pipe storehouses by an internal partition wallboard,
The piping lane monomer is separated into four pipe storehouses by the inside partition wallboard that four right-angled intersections are arranged, four inner parts every
The right-angled intersection position of wallboard is connected by cross lining connector, and node surrounding is disposed with L-type sheet metal, cross
Two edge of a wing length of internal partition wallboard are longer than laterally two edges of a wing on lining connector connection vertical direction, equidistant thereon
Prepared screw-bolt hole is arranged along piping lane direction；Prepared screw-bolt hole is evenly arranged on two edges of a wing on the L-type sheet metal.
The rib overhanging when connecting with T-type outer wall connector of 4 ribs on the cross lining connector is identical,
Cross-sectional sizes match with the first rectangular recess on internal partition wallboard, and vertical both sides of the chest are longer than lateral both sides of the chest, when connection
First connect the connection for carrying out vertical inside partition wallboard inside lateral two after partition wallboards.
The both ends of the internal partition wallboard are connected by T-type outer wall connector with piping lane wallboard；The inner part every
Wallboard is rectangular slab, and two sides have been arranged symmetrically the first rectangular recess, have been disposed with reserved spiral shell on the first rectangular recess two sides plate body
Keyhole；Web thickness on T-type outer wall connector is identical as the first rectangle rib thickness on piping lane wallboard, and edge of a wing length is greater than pipe
Corridor wallboard thickness, the part exceeded on internal partition wallboard the first rectangular recess shape and volume it is identical.
The two sides of internal partition wallboard are pasted with interior patch wallboard.
The connection seam crossing of piping lane wallboard arranges buildings waterproof adhesive tape on piping lane monomer outer surface.
The L-type corridor body connector is L-type solid, and both sides are all disposed with the with prepared screw-bolt hole thereon
The first rectangular fin on one rectangular fin, with piping lane wallboard is equal in magnitude, the first rectangular fin with a thickness of piping lane wallboard thickness half.
The first rectangular fin on the L-type corridor body connector and the first rectangular fin on piping lane wallboard are equal in magnitude, right
After connecing, it is attached by high-strength bolt；The first rectangle on two edges of a wing and piping lane wallboard on the T-type outer wall connector
Rib is equal in magnitude, after docking, is attached by high-strength bolt；Web table on L-type corridor body connector, T-type outer wall connector
Face is all disposed with waterproof bed course.
Beneficial effects of the present invention:
The present invention relates to a kind of variable storehouse assembled underground pipe galleries to have variable chamber structure.Single storehouse, double storehouses and
Four storekeeper corridors are all to constitute outboard structure, double storehouse pipe galleries by piping lane wallboard, L-type corridor body connector and T-type outer wall connector
Inside is disposed with internal partition wallboard point storehouse, is connected inside four storehouse pipe galleries by 4 internal partition wallboards and cross lining
Fitting cooperation carries out a point storehouse, then is arranged in node surrounding by L-type sheet metal and is in reinforcement connection.Outside L-type corridor body connector, T-type
Rib surface layout on wall connector has waterproof bed course, is arranged between the two gap when connecting with piping lane wallboard, plays interior anti-
Water acts on, and the connection between piping lane is mutually agreed with and L-type corridor body by the second rectangular fin, the second rectangular recess on piping lane wallboard
Connector overlaps two adjacent piping lane wallboards, is attached by high-strength bolt.Seam crossing is connected in adjacent piping lane wallboard,
It there also is provided building marine glue band and carry out outer surface waterproof.Inside, which is disposed with interior patch wallboard and is affixed on vertical internal partition wallboard, to be made
Storehouse is divided to stablize between two storehouses of same level.Underground pipe gallery four corners of the present invention have the connection of L-type corridor body connector, whole
Body stability is high, is not in unbalance stress, local failure, and storehouse number can change according to demand, and overall structure is prefabricated steel reinforced concrete
Material, overall structural strength is high, is able to satisfy the use condition of pipe gallery, and including two layers of waterproof measure of inside and outside waterproof.Peace
Dress is convenient, and structure is simple, and convenient transport, space is sufficient, waterproof effect is obvious, it is complicated to can be effectively solved construction, installation is multiple
Miscellaneous problem.
Detailed description of the invention
Fig. 1 is that the present invention shown in embodiment 3 can be changed storehouse assembled underground pipe gallery cross sectional elevation；
Fig. 2 is that the present invention shown in embodiment 2 can be changed storehouse assembled underground pipe gallery cross sectional elevation；
Fig. 3 is that the present invention shown in embodiment 1 can be changed storehouse assembled underground pipe gallery cross sectional elevation；
Fig. 4 is that the present invention shown in embodiment 1 can be changed storehouse assembled underground pipe gallery cross section structure splicing schematic diagram；
Fig. 5 is piping lane panel cross section front view；
Fig. 6 is single piping lane monomer top view；
Fig. 7 is that the present invention shown in embodiment 2 can be changed storehouse assembled underground pipe gallery top view；
Fig. 8 is internal partition wallboard front view；
Fig. 9 is that the present invention shown in embodiment 3 can be changed outside the vertical two piping lane wallboards and T-type of storehouse assembled underground pipe gallery
Wall connector connects Local map；
Figure 10 is the corner piping lane wallboard and L-type corridor body that the present invention shown in embodiment 3 can be changed storehouse assembled underground pipe gallery
Connector connects Local map；
Figure 11 is the internal partition wallboard and ten in inside 4 that the present invention shown in embodiment 3 can be changed storehouse assembled underground pipe gallery
Font lining connector connects Local map.
In figure: 1 being piping lane wallboard, 2 be internal partition wallboard, 3 be L-type corridor body connector, 4 be T-type outer wall connector, 5
It is the first rectangular fin for cross lining connector, 6,7 be the first rectangular recess, 8 be the second rectangular fin, 9 is the second rectangle
Groove, 10 be L-type sheet metal, 11 be interior patch wallboard, 12 be waterproof bed course, 13 be buildings waterproof adhesive tape, 14 be high-strength bolt, 15
For prepared screw-bolt hole.
Specific embodiment
In order to further illustrate the present invention, the present invention is described in detail with reference to the accompanying drawings and embodiments, but not
They can be interpreted as limiting the scope of the present invention.
Embodiment 1:
The present invention can be changed storehouse assembled underground pipe gallery, assembled by several piping lane monomers.As shown in Figure 3,4, described
Piping lane monomer includes four piping lane wallboards 1 and four L-type corridor body connectors 3, the first rectangular fin 6, the second rectangular fin 8, the second square
Connected in star 9 and prepared screw-bolt hole 15；The piping lane wallboard forms a closed rectangle after connecting by L-type corridor body connector 3,
The rectangle forms a pipe storehouse.It is fixed between piping lane wallboard and L-type corridor body connector by high-strength bolt 14.Such as Fig. 5 institute
Show, the both ends of piping lane wallboard are integrally provided with the first rectangular fin 6, are disposed with prepared screw-bolt hole 15 on the first rectangular fin 6.Such as figure
Shown in 6, the second rectangular fin 8 and the second rectangular recess 9, the second rectangular fin are respectively disposed on the piping lane wallboard of the left and right sides
8 match with the size of the second rectangular recess 9, pass through 8 He of the second rectangular fin between adjacent piping lane monomer along piping lane direction
The connection of second rectangular recess, 9 interpolation, piping lane wallboard 1 are evenly arranged prepared screw-bolt hole 15 along piping lane direction；Second rectangular fin 8,
After two rectangular recess 9 arrange, high-strength bolt 14 thereon is corresponded to each other, after on the outside with prepared screw-bolt hole 15 by head and the tail piping lane
Wallboard 1 is attached.The L-type corridor body connector 3 is L-type solid, and both sides are all disposed with one with reserved spiral shell thereon
First rectangular fin 6 of keyhole, equal in magnitude with the first rectangular fin 6 on piping lane wallboard 1, the first rectangular fin 6 is with a thickness of piping lane wall
The half of 1 thickness of plate.The first rectangular fin 6 on the L-type corridor body connector 3 and the first rectangular fin 6 on piping lane wallboard 1 are big
It is small equal, after docking, it is attached by high-strength bolt 14；Two edges of a wing and piping lane wallboard on the T-type outer wall connector 4
The first rectangular fin 6 on 1 is equal in magnitude, after docking, is attached by high-strength bolt 14；Outside L-type corridor body connector 3, T-type
Web surface on wall connector 4 is all disposed with waterproof bed course 12, plays the role of structure connection inner waterproofing.
Embodiment 2:
As shown in Fig. 2,7, the difference of the present embodiment and embodiment 1 is only that the piping lane monomer tool, and there are two pipe storehouses.Described
Piping lane monomer includes six piping lane wallboards 1 and four L-type corridor body connectors 3, in cross side is respectively arranged two piping lane wallboards, and two
It is connected between adjacent piping lane wallboard by T-type outer wall connector 4.In vertical side, one piping lane wallboard, six piping lane wallboards are set
A closed rectangle is formed after connecting by four L-type corridor body connectors 3, the both ends of the internal partition wallboard 2 pass through T-type
Outer wall connector 4 is connected with piping lane wallboard 1；Corridor body is separated into two pipe storehouses by internal partition wallboard 2.
As shown in figure 8, the inside partition wallboard 2 is rectangular slab, two sides have been arranged symmetrically the first rectangular recess 7,
Prepared screw-bolt hole 15 is disposed on first rectangular recess, 7 two sides plate body；Web thickness and piping lane wall on T-type outer wall connector 4
6 thickness of the first rectangular fin on plate 1 is identical, and edge of a wing length is greater than 1 thickness of piping lane wallboard, the part exceeded and internal partition wallboard
7 shape of the first rectangular recess on 2 is identical with volume.After the completion of inner part chamber structure arrangement, the two sides of internal partition wallboard 2 are viscous
Interior patch wallboard 11 is posted, guarantees the intensity requirement of the stable structure and wall on vertical direction.Piping lane monomer outer surface upper tube
The connection seam crossing of corridor wallboard 1 arranges buildings waterproof adhesive tape 13, plays the role of outer waterproof, guarantees the impermeability of structure entirety
And leakproofness.Remaining is the same as embodiment 1.
Embodiment 3:
As shown in Fig. 1,9,10,11, the difference of the present embodiment and embodiment 1 is only that the piping lane monomer tool, and there are four pipe storehouses.
The piping lane monomer is respectively arranged two including eight piping lane wallboards 1 and four L-type corridor body connectors 3, in cross side, vertical side
Piping lane wallboard is connected by T-type outer wall connector 4 between two adjacent piping lane wallboards.Eight piping lane wallboards pass through four L-type corridors
Body connector 3 connect after formed a closed rectangle, the piping lane monomer by four right-angled intersections be arranged inner part every
Wallboard 2 is separated into four pipe storehouses, and the right-angled intersection position of four internal partition wallboards is connected by cross lining connector 5
It connects, node surrounding is provided with L-type sheet metal 10, plays reinforcement effect.Cross lining connector 5 connects on vertical direction
Two edge of a wing length of internal partition wallboard 2 are longer than laterally two edges of a wing, equidistantly arrange prepared screw-bolt hole along piping lane direction thereon
15；Prepared screw-bolt hole 15 is evenly arranged on two edges of a wing on the L-type sheet metal 10.The cross lining connector
4 ribs on 5 rib overhanging when connecting with T-type outer wall connector 4 is identical, and the in cross-sectional sizes and internal partition wallboard 2
One rectangular recess 7 matches, and vertical both sides of the chest are longer than lateral both sides of the chest, and when connection first connects the internal partition wallboards of lateral two
The connection of vertical inside partition wallboard 2 is carried out after 2.As shown in figure 8, the inside partition wallboard 2 is rectangular slab, two sides
It has been arranged symmetrically the first rectangular recess 7, has been disposed with prepared screw-bolt hole 15 on 7 two sides plate body of the first rectangular recess；The connection of T-type outer wall
Web thickness on part 4 is identical as the first rectangle rib thickness on piping lane wallboard 1, and edge of a wing length is greater than 1 thickness of piping lane wallboard, surpasses
Part out on internal partition wallboard 27 shape of the first rectangular recess and volume it is identical.Inner part chamber structure arrangement is completed
Afterwards, the two sides of internal partition wallboard 2 are pasted with interior patch wallboard 11, guarantee that the intensity of stable structure and wall on vertical direction is wanted
It asks.The connection seam crossing of piping lane wallboard 1 arranges buildings waterproof adhesive tape 13 on piping lane monomer outer surface, plays the work of outer waterproof
With the impermeability and leakproofness of guarantee structure entirety.Remaining is the same as embodiment 1.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. variable storehouse assembled underground pipe gallery, it is characterised in that: piping lane list assembled by several piping lane monomers, described
Body includes several piping lane wallboards (1), L-type corridor body connector (3), the first rectangular fin (6), the second rectangular fin (8), the second rectangle
Groove (9) and prepared screw-bolt hole (15)；The piping lane wallboard forms a closing by four L-type corridor body connector (3) connections
Rectangle, the both ends of piping lane wallboard (1) are integrally provided with the first rectangular fin (6), on the piping lane wallboard (1) of the left and right sides
The second rectangular fin (8) and the second rectangular recess (9), the size phase of the second rectangular fin (8) and the second rectangular recess (9) is respectively set
Matching is connected between adjacent piping lane monomer by the second rectangular fin (8) and the second rectangular recess (9) interpolation along piping lane direction
It connects, the piping lane monomer has one, two or four pipe storehouse.
2. variable storehouse assembled underground pipe gallery according to claim 1, it is characterised in that: the piping lane monomer passes through
One internal partition wallboard (2) is separated into two pipe storehouses.
3. variable storehouse assembled underground pipe gallery according to claim 1, it is characterised in that: the piping lane monomer passes through
The inside partition wallboard (2) of four right-angled intersections setting is separated into four pipe storehouses, the right-angled intersection portion of four internal partition wallboards
Position is connected by cross lining connector (5), and node surrounding is disposed with L-type sheet metal (10), and cross lining connects
Two edge of a wing length of internal partition wallboard (2) are longer than laterally two edges of a wing on fitting (5) connection vertical direction, thereon equidistant edge
Prepared screw-bolt hole (15) are arranged in piping lane direction；The L-type sheet metal (10) is evenly arranged prepared screw-bolt hole on upper two edges of a wing
(15).
4. variable storehouse assembled underground pipe gallery according to claim 3, it is characterised in that: the cross interior wall
4 ribs on plate connector (5) rib overhanging when connecting with T-type outer wall connector (4) is identical, cross-sectional sizes and inner part every
The first rectangular recess (7) on wallboard (2) matches, and vertical both sides of the chest are longer than lateral both sides of the chest, and first connection is lateral when connection
Two internal partition wallboards (2) carry out the connection of vertical inside partition wallboard (2) afterwards.
5. variable storehouse assembled underground pipe gallery according to claim 2 or 3, it is characterised in that: the inner part every
The both ends of wallboard (2) are connected by T-type outer wall connector (4) with piping lane wallboard (1)；The inside partition wallboard (2) is square
Shape plate, two sides have been arranged symmetrically the first rectangular recess (7), are disposed with reserved bolt on the plate body of the first rectangular recess (7) two sides
Hole (15)；Web thickness on T-type outer wall connector (4) is identical as the first rectangular fin (6) thickness on piping lane wallboard (1), the wing
Edge length is greater than piping lane wallboard (1) thickness, the part exceeded and the first rectangular recess (7) shape on internal partition wallboard (2)
It is identical with volume.
6. variable storehouse assembled underground pipe gallery according to claim 2 or 3, it is characterised in that: internal partition wallboard
(2) two sides are pasted with interior patch wallboard (11).
7. variable storehouse assembled underground pipe gallery according to claim 1, it is characterised in that: piping lane monomer outer surface
The connection seam crossing of upper piping lane wallboard (1) arranges buildings waterproof adhesive tape (13).
8. variable storehouse assembled underground pipe gallery according to claim 1, it is characterised in that: the L-type corridor body connects
Fitting (3) is L-type solid, and both sides are all disposed with first rectangular fin (6) for having prepared screw-bolt hole thereon, with piping lane wall
The first rectangular fin (6) on plate (1) is equal in magnitude, the first rectangular fin (6) with a thickness of piping lane wallboard (1) thickness half.
9. variable storehouse assembled underground pipe gallery according to claim 1, it is characterised in that: the L-type corridor body connects
The first rectangular fin (6) on fitting (3) and the first rectangular fin (6) on piping lane wallboard (1) are equal in magnitude, after docking, pass through height
Strength bolt (14) is attached；The first rectangle on two edges of a wing and piping lane wallboard (1) on the T-type outer wall connector (4)
Rib (6) is equal in magnitude, after docking, is attached by high-strength bolt (14)；L-type corridor body connector (3), T-type outer wall connector
(4) web surface on is all disposed with waterproof bed course (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514414.9A CN110144963A (en) | 2019-06-14 | 2019-06-14 | Variable storehouse assembled underground pipe gallery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514414.9A CN110144963A (en) | 2019-06-14 | 2019-06-14 | Variable storehouse assembled underground pipe gallery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110144963A true CN110144963A (en) | 2019-08-20 |
Family
ID=67591281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910514414.9A Withdrawn CN110144963A (en) | 2019-06-14 | 2019-06-14 | Variable storehouse assembled underground pipe gallery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110144963A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236314A (en) * | 2020-03-26 | 2020-06-05 | 张延年 | Assembled rectangle concrete slab for utility tunnel |
| CN112962897A (en) * | 2021-02-04 | 2021-06-15 | 刘艳美 | Assembled wallboard and installation construction method thereof |
| CN113585814A (en) * | 2021-08-18 | 2021-11-02 | 杨小铄 | Temporarily build and use prefabricated building |
| CN114293588A (en) * | 2022-01-04 | 2022-04-08 | 南阳理工学院 | Civil engineering underground steel structure pipe gallery and pipe gallery interface structure thereof |
| CN115492162A (en) * | 2022-09-29 | 2022-12-20 | 三峡昌耀管廊建设有限公司 | Prefabricated pipe gallery structure and forming method thereof |
-
2019
- 2019-06-14 CN CN201910514414.9A patent/CN110144963A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236314A (en) * | 2020-03-26 | 2020-06-05 | 张延年 | Assembled rectangle concrete slab for utility tunnel |
| CN112962897A (en) * | 2021-02-04 | 2021-06-15 | 刘艳美 | Assembled wallboard and installation construction method thereof |
| CN113585814A (en) * | 2021-08-18 | 2021-11-02 | 杨小铄 | Temporarily build and use prefabricated building |
| CN114293588A (en) * | 2022-01-04 | 2022-04-08 | 南阳理工学院 | Civil engineering underground steel structure pipe gallery and pipe gallery interface structure thereof |
| CN115492162A (en) * | 2022-09-29 | 2022-12-20 | 三峡昌耀管廊建设有限公司 | Prefabricated pipe gallery structure and forming method thereof |
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Application publication date: 20190820 |