CN112746702A - Floor structure composed of assembly boxes - Google Patents
Floor structure composed of assembly boxes Download PDFInfo
- Publication number
- CN112746702A CN112746702A CN202110200109.XA CN202110200109A CN112746702A CN 112746702 A CN112746702 A CN 112746702A CN 202110200109 A CN202110200109 A CN 202110200109A CN 112746702 A CN112746702 A CN 112746702A
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- assembly
- boxes
- assembly box
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention relates to the field of buildings, and discloses a floor structure consisting of assembly boxes, which comprises an assembly box array consisting of a plurality of assembly boxes, wherein communicating pipes which are communicated with each other are connected between adjacent assembly boxes in the assembly box array, pipelines are laid in the assembly box array, cross beams are arranged in gaps of the assembly box array, the assembly boxes respectively correspond to a plurality of beam grids of the cross beams one by one, outer frame beams fixedly connected with the cross beams are arranged on the periphery of the assembly box array, the peripheral assembly boxes positioned on the periphery of the assembly box array are all connected with a web plate of the outer frame beams, and outlet pipes corresponding to the pipelines are arranged in the web plate of the outer frame beams.
Description
Technical Field
The invention relates to the field of hollow floor structures in the field of buildings, in particular to a floor structure consisting of an assembly box.
Background
With the improvement of the requirement of building construction efficiency, more and more building projects adopt assembly construction, namely various prefabricated functional modules are assembled together as required during construction, but simple integral assembly construction is difficult to realize due to the particularity of pipelines, and modularization and unitization are difficult to realize during maintenance of assembled components after use; the conventional operation method is that the pipeline is paved below a plate, but the structure and the pipeline arrangement of each pipeline which are independently installed are complex, and the installation and the pavement and the later inspection and repair are inconvenient. So put forward now and lay the pipeline in the assembly box inside, not only utilize the modularization of superstructure structure to cut apart, still be favorable to fixed point inspection and the maintenance of later stage maintenance, realize the modularization maintenance of unitization.
Advantages of the assembly box
The assembly box has the advantages of convenient construction, template saving, low cost, reduced floor height, increased structural use space, obvious economic benefit, good integrity, large rigidity, obvious sound insulation effect, obvious heat insulation effect, good impermeability, better corrosion resistance, steel and concrete saving, good overall working performance, convenient disassembly and assembly, convenient subsequent maintenance and the like.
Disclosure of Invention
Aiming at the problems, the invention designs the floor system structure consisting of the assembly boxes, so that the purposes of modularizing the floor system, facilitating the installation and facilitating the laying of pipelines are achieved.
The utility model provides a superstructure structure by assembly box constitutes, include the assembly box array that comprises a plurality of assembly boxes, all be connected with communicating pipe of mutual intercommunication between the adjacent assembly box in the assembly box array, the pipeline is equipped with to the shop in the assembly box array, the # -shaped roof beam has been arranged in the clearance of assembly box array, a plurality of assembly boxes respectively with a plurality of roof beam check one-to-one of # -shaped roof beam, the outer frame roof beam with # -shaped roof beam fixed connection has been arranged to the periphery of assembly box array, it all is connected with the web of outer frame roof beam to be located a plurality of peripheral assembly boxes of assembly box array outlying, be equipped with the mouth of pipe that goes out corresponding with the pipeline in the web of outer frame roof.
Furthermore, a connecting pipe which is hermetically connected with the outlet pipe opening is arranged on the surface of the peripheral assembling box facing the outer frame beam web plate, and an annular sheet which is made of nickel-titanium-niobium shape memory alloy is arranged in the outlet pipe opening.
Furthermore, a plurality of assembly boxes are respectively and correspondingly arranged above a plurality of beam grids of the cross beam, and the edge of the bottom plate of each assembly box is fixedly connected with the upper beam plate of the cross beam through a bolt.
Furthermore, a plurality of assembly boxes are correspondingly arranged in a plurality of beam lattices of the cross beam respectively, web plate holes for the communicating pipes to pass through are formed in web plates of the cross beam, top plates of the assembly boxes are horizontally aligned with the upper surface of the cross beam, an upper cover plate integrally connected with the top plates is arranged above the top plates of the assembly boxes, the edges of the upper cover plates extend to the upper part of the cross beam positioned on the periphery of the assembly boxes, and two adjacent upper cover plates completely cover the upper surface of the cross beam positioned between the two assembly boxes; the bottom plate of assembly box and the well word roof beam lower surface level align, and the bottom plate below of assembly box is equipped with the lower apron with bottom plate body coupling, and the edge of lower apron extends to the below that is located the well word roof beam all around of assembly box, and two adjacent lower apron cover the lower surface that is located the well word roof beam between two assembly boxes completely.
Furthermore, the beam structures of the outer frame beam and the cross beam are I-shaped beams.
Furthermore, the edge of the bottom plate of the assembly box is arranged above the upper flange of the corresponding I-beam, and the bottom plate of the assembly box is fixedly connected with the upper flange through bolts.
Furthermore, the edge of the assembly box is embedded into a groove formed by a web plate, an upper flange and a lower flange of the I-beam, a top plate of the assembly box is horizontally aligned with the upper flange of the I-beam, the edge of the top plate is provided with a step sunken inwards, the height of the step is consistent with the thickness of the upper flange, and two adjacent upper cover plates completely cover the upper surface of the I-beam between the two assembly boxes; the bottom plate of the assembly box is horizontally aligned with the lower surface of the I-beam, the edge of the bottom plate is provided with a step which is sunken inwards, the height of the step is consistent with the thickness of the lower flange, and two adjacent lower cover plates completely cover the lower surface of the I-beam between the two assembly boxes.
Further, the pipeline is including setting up the branch pipeline in corresponding the assembly case respectively, divides the pipeline to include many inner tubes that are connected with communicating pipe respectively, switches on through the adapter between many inner tubes.
Furthermore, the pipeline is a smoke exhaust pipeline, the bottom plate of the assembly box with the branch pipelines is provided with pipe inlets communicated with the branch pipelines, and the branch pipelines are internally provided with inner pipes connected with the pipe inlets.
Furthermore, a baffle plate capable of being opened is arranged in a top plate of the assembly box, a step protruding outwards is arranged at the edge of the top plate corresponding to the baffle plate, the bottom of the edge of the baffle plate is erected on the step, and the edge of the baffle plate is fixedly connected with the step through an embedded bolt
Compared with the prior art, the invention has the following advantages:
1. the floor structure is unitized through the assembly box array, so that the assembly box with damage can be directly replaced during maintenance without integral replacement, and the integral long-term stable operation time is improved;
2. the invention can install air conditioner, exhaust fan, heat insulation plate and the like in the beam lattice positioned below the assembly box by installing the assembly box above the cross beam, and the structure is suitable for the floor structure at the top of the building;
3. the assembly box is arranged in the beam lattice of the cross beam, so that the integral structural strength of the floor system is improved, and the assembly box is suitable for a floor system structure in the middle layer of a building;
4. according to the invention, the assembly box is modularized and unitized by arranging the pipelines in the assembly box, so that the later pipeline replacement and maintenance are facilitated.
5. According to the invention, the smoke exhaust pipes are arranged in the assembly box array, the pipe outlet is arranged on the outer frame beam, the annular sheet made of the nickel-titanium-niobium shape memory alloy is arranged in the pipe outlet, the size of the smoke exhaust hole can be adjusted through temperature, when the floor structure encounters a fire, the temperature is gradually increased from low to high, the generated smoke is also in direct proportion to the temperature, the annular sheet made of the nickel-titanium-niobium shape memory alloy is gradually enlarged along with the increase of the temperature in the temperature increasing process, and the smoke exhaust amount in the smoke exhaust pipes can be increased along with the enlargement of the annular hole.
6. The assembling box is arranged in the beam lattice, and the upper cover plate and the lower cover plate which cover the cross beam are arranged on the two sides of the assembling box, so that the time for the cross beam to be heated is delayed, and the integral structure of the floor system structure is prevented from being broken.
7. The invention can maintain the pipeline by opening the assembly box at the position of the failed pipeline by arranging the openable baffle or plate on the top plate of the assembly box, and the size of the baffle or plate is determined according to the requirements of structural stress, actual operation space and the like.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a view showing a positional relationship between the outer frame rail and the peripheral mounting box;
FIG. 3 is a view showing another positional relationship between the outer frame rail and the peripheral mounting box;
FIG. 4 is a block diagram of the assembly box and the lines within the assembly box;
FIG. 5 is a block diagram of the mounting box mounted above the I-beam grid;
FIG. 6 is a block diagram of the mounting box embedded in an I-beam grid;
FIG. 7 is a perspective view of a beam lattice of the I-beam structure;
FIG. 8 is a view of the configuration of the spout in the web of the outer frame beam;
fig. 9 is a structural view of the top plate and the top plate of the assembly box.
Reference numerals:
1. assembling a box; 2. a communicating pipe; 3. a cross beam; 31. a beam lattice; 4. an outer frame beam; 41. a side beam; 5. a peripheral assembly box; 6. an outlet pipe orifice; 7. taking over a pipe; 8. web holes; 9. an upper cover plate; 10. a lower cover plate; 11. a branch line; 12. an inner tube; 13. an adapter; 14. a ring sheet; 15. an inlet pipe orifice; 16. reinforcing steel bars; 17. a top plate; 18. and a baffle plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection or welding connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the invention, it is to be noted that, unless otherwise specifically stated and defined, the term "duct" is to be understood in a broad sense, for example, as being either a smoke exhaust duct, a ventilation duct, or a fire fighting duct; the heating and ventilation pipeline can be a heating and ventilation pipeline, the electric wire pipeline can also be a cavity in the assembly box, and the cavity can be directly used as a related pipeline to realize different functions. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in figures 1 and 4, the floor system structure formed by the assembly boxes comprises an assembly box array formed by a plurality of assembly boxes 1, wherein communicating pipes 2 which are communicated with each other are connected between every two adjacent assembly boxes 1 in the assembly box array, pipelines are paved in the assembly box array and can be smoke exhaust pipelines, fire fighting pipelines, ventilation pipelines and the like, cross beams 3 are arranged in gaps of the assembly box array, the assembly boxes 1 are respectively in one-to-one correspondence with a plurality of beam grids 31 of the cross beams 3, outer frame beams 4 fixedly connected with the cross beams 3 are arranged on the periphery of the assembly box array, a plurality of peripheral assembly boxes 5 on the periphery of the assembly box array are connected with webs of the outer frame beams 4, outlet nozzles 6 corresponding to the pipelines are arranged in the webs of the outer frame beams 4, the outlet nozzles 6 can be smoke exhaust ports, spray heads, ventilation openings and the like, and the shape of the outlet nozzles 6 can be round as required, Square, etc. The bottom plate of the assembly box 1 can be provided with an inlet pipe orifice 15 of a pipeline according to requirements.
The assembling boxes 1 are correspondingly arranged above the beam grids 31 of the cross beam 3 respectively, and the edges of the bottom plates of the assembling boxes 1 are fixedly connected with the upper beam plate of the cross beam 3 through bolts.
The bottom of the outer frame beam 4 or the cross beam 3 is provided with a column which is of a hollow structure, and the column is internally provided with a column pipeline which can enable the pipelines in the upper floor and the lower floor to be communicated.
As shown in fig. 2, side members 41 attached to the outer frame member 4 are provided on the side surfaces of the outer frame member 4, the side members 41 are flush with the cross member 3, and the peripheral mounting box 5 is provided above the side members 41 and the cross member 3. The assembling boxes 1 are correspondingly arranged in a plurality of beam lattices 31 of the cross beam 3 respectively, web holes 8 for the communicating pipes 2 to pass through are formed in webs of the cross beam 3, a top plate 17 of each assembling box 1 is horizontally aligned with the upper surface of the cross beam 3, an upper cover plate 9 integrally connected with the top plate 17 is arranged above the top plate 17 of each assembling box 1, the edge of each upper cover plate 9 extends to the position above the cross beam 3 around the assembling box 1, and the upper surfaces of the cross beams 3 between the two assembling boxes 1 are completely covered by the two adjacent upper cover plates 9; the bottom plate of assembly box 1 aligns with the well word roof beam 3 lower surface level, and the bottom plate below of assembly box 1 is equipped with lower apron 10 with bottom plate an organic whole connection, and the edge of lower apron 10 extends to the below that is located well word roof beam 3 all around of assembly box 1, and two adjacent lower apron 10 cover the lower surface that is located well word roof beam 3 between two assembly boxes 1 completely. The bottom plate and the lower cover plate 10 can be provided with inlet pipe orifices 15 of pipelines according to requirements.
As shown in fig. 3, the peripheral assembly box 5 is disposed in a beam lattice 31 formed by the outer frame beam 4 and the cross beam 3, an upper cover plate 9 and a lower cover plate 10 of the peripheral assembly box 5 are both fixedly connected with a web of the outer frame beam 4, and reinforcing steel bars 16 penetrating through the web of the outer frame beam 4 are respectively disposed in the upper cover plate 9 and the lower cover plate 10.
As shown in fig. 8, a connection pipe 7 hermetically connected with the outlet pipe opening 6 is arranged on the plate surface of the peripheral assembly box 5 facing the web plate of the outer frame beam 4, an annular sheet 14 is installed in the outlet pipe opening 6, the annular sheet 14 is made of concrete, steel plate, plastic, stainless steel, nitinol, and the like, and the preferred annular sheet 14 is made of nitinol.
As shown in fig. 4, the pipeline includes branch pipelines 11 respectively disposed in corresponding assembly boxes, the branch pipelines 11 include a plurality of inner pipes 12 respectively connected to the communication pipes 2, and the plurality of inner pipes 12 are communicated with each other through the adapters 13. For example, the pipelines are smoke exhaust pipelines, the bottom plates of the assembly boxes with the branch pipelines 11 are provided with inlet pipe orifices 15 communicated with the branch pipelines 11, and the branch pipelines 11 are provided with inner pipes 12 connected with the inlet pipe orifices 15.
As shown in fig. 9, a baffle 18 which can be opened is arranged in the top plate 17 or the bottom plate of the assembly box 1, the preferred scheme of the invention is that the baffle 18 is arranged in the top plate 17, the edge of the top plate 17 corresponding to the baffle 18 is provided with a step which protrudes outwards, the bottom of the edge of the baffle 18 is erected on the step, and the edge of the baffle 18 fixedly connects the baffle 18 and the step through an embedded bolt; the invention is not limited to the fixing by bolts, and can also adopt fixing schemes such as sealing by pouring concrete and the like.
Example 2
The cross-section shapes of the cross beam 3 and the outer frame beam 4 can be hollow rectangular beams, T-shaped beams and I-shaped beams, and the I-shaped beams are selected as examples for important description in the invention.
As shown in fig. 5, the beam structures of the outer frame beam 4 and the cross beam 3 are both i-beams, the edge of the bottom plate of the assembly box 1 is installed above the upper flange of the corresponding i-beam, and the bottom plate of the assembly box 1 is fixedly connected with the upper flange through bolts.
As shown in fig. 6 and 7, the edge of the assembly box 1 is embedded in a groove formed by a web plate, an upper flange and a lower flange of the i-beam, a top plate 17 of the assembly box 1 is horizontally aligned with the upper flange of the i-beam, the edge of the top plate 17 is provided with a step recessed inwards, the height of the step is consistent with the thickness of the upper flange, and two adjacent upper cover plates 9 completely cover the upper surface of the i-beam between two assembly boxes 1; the bottom plate of the assembly boxes 1 is horizontally aligned with the lower surface of the I-beam, the edge of the bottom plate is provided with a step sunken into the plate, the height of the step is consistent with the thickness of the lower flange, and two adjacent lower cover plates 10 completely cover the lower surface of the I-beam between the two assembly boxes 1.
The upper cover plate 9 and the top part integrally connected with the upper cover plate or the bottom plate integrally connected with the lower cover plate 10 are internally provided with a baffle 18 which can be opened, the preferred proposal of the invention is that the upper cover plate 9 and the top part integrally connected with the upper cover plate are internally provided with the baffle 18, the upper cover plate 9 and the top plate 17 integrally connected with the upper cover plate are provided with steps which are convex outwards corresponding to the edges of the baffle 18, the bottom of the edge of the baffle 18 is erected on the steps, and the edge of the baffle 18 is fixedly connected with the steps through embedded bolts; the invention is not limited to the fixing by bolts, and can also adopt fixing schemes such as sealing by pouring concrete and the like.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a superstructure structure by assembly box constitutes, include the assembly box array that constitutes by a plurality of assembly boxes, a serial communication port, all be connected with the communicating pipe of mutual intercommunication between the adjacent assembly box in the assembly box array, the pipeline has been laid in the assembly box array, the # -shaped roof beam has been arranged in the clearance of assembly box array, a plurality of assembly boxes respectively with a plurality of roof beam check one-to-one of # -shaped roof beam, the outer frame roof beam with # -shaped roof beam fixed connection is arranged to the periphery of assembly box array, it all is connected with the web of outer frame roof beam to be located a plurality of peripheral assembly boxes of assembly box array periphery, be equipped with the mouth of pipe corresponding with the pipeline in the web of outer frame roof beam.
2. The floor system structure formed by the assembly boxes according to claim 1, wherein the face of the peripheral assembly box facing the web of the outer frame beam is provided with a connecting pipe hermetically connected with the outlet pipe mouth, and the outlet pipe mouth is internally provided with a ring sheet made of nickel titanium niobium shape memory alloy.
3. The floor system structure of claim 1, wherein the plurality of assembly boxes are respectively and correspondingly installed above the plurality of beam grids of the cross beam, and the edge of the bottom plate of the assembly box is fixedly connected with the upper beam plate of the cross beam through bolts.
4. The floor system structure formed by the assembly boxes according to claim 1, wherein the assembly boxes are correspondingly arranged in a plurality of beam lattices of the cross beam respectively, web plate holes for the communicating pipes to pass through are formed in web plates of the cross beam, top plates of the assembly boxes are horizontally aligned with the upper surface of the cross beam, an upper cover plate integrally connected with the top plates is arranged above the top plates of the assembly boxes, the edge of the upper cover plate extends to the position above the cross beam at the periphery of the assembly boxes, and two adjacent upper cover plates completely cover the upper surface of the cross beam between the two assembly boxes; the bottom plate of assembly box and the well word roof beam lower surface level align, and the bottom plate below of assembly box is equipped with the lower apron with bottom plate body coupling, and the edge of lower apron extends to the below that is located the well word roof beam all around of assembly box, and two adjacent lower apron cover the lower surface that is located the well word roof beam between two assembly boxes completely.
5. The floor system structure of assembly boxes according to claim 1, wherein the beam structures of the outer frame beams and the cross beams are i-beams.
6. The floor system structure of claim 3 or 5, wherein the bottom plate of the assembly box is fixed to the upper flange of the corresponding I-beam at the edge of the bottom plate by bolts.
7. The floor system structure formed by the assembly boxes according to claim 4 or 5, wherein the edges of the assembly boxes are embedded in the grooves formed by the web plate, the upper flange and the lower flange of the I-beam, the top plate of the assembly box is horizontally aligned with the upper flange of the I-beam, the edge of the top plate is provided with a step sunken into the plate, the height of the step is consistent with the thickness of the upper flange, and two adjacent upper cover plates completely cover the upper surface of the I-beam between the two assembly boxes; the bottom plate of the assembly box is horizontally aligned with the lower surface of the I-beam, the edge of the bottom plate is provided with a step which is sunken inwards, the height of the step is consistent with the thickness of the lower flange, and two adjacent lower cover plates completely cover the lower surface of the I-beam between the two assembly boxes.
8. The floor system structure of claim 1, wherein the pipes comprise branch pipes respectively disposed in the corresponding assembly boxes, the branch pipes comprise a plurality of inner pipes respectively connected to the communication pipes, and the inner pipes are connected to each other by the adapters.
9. The floor system structure of claim 8, wherein the pipes are smoke exhaust pipes, the bottom plates of the assembly boxes with branch pipes are provided with pipe inlets communicated with the branch pipes, and the branch pipes are provided with inner pipes connected with the pipe inlets.
10. The floor system structure of claim 1, wherein the assembly box has a baffle plate capable of being opened in a top plate, the top plate has a step protruding outward at an edge corresponding to the baffle plate, the bottom of the edge of the baffle plate is mounted on the step, and the edge of the baffle plate is fixedly connected to the step by means of embedded bolts.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110200109.XA CN112746702A (en) | 2021-02-23 | 2021-02-23 | Floor structure composed of assembly boxes |
| PCT/CN2021/082918 WO2022178936A1 (en) | 2021-02-23 | 2021-03-25 | Floor structure composed of prefabricated boxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110200109.XA CN112746702A (en) | 2021-02-23 | 2021-02-23 | Floor structure composed of assembly boxes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112746702A true CN112746702A (en) | 2021-05-04 |
Family
ID=75651496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110200109.XA Pending CN112746702A (en) | 2021-02-23 | 2021-02-23 | Floor structure composed of assembly boxes |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112746702A (en) |
| WO (1) | WO2022178936A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176288C (en) * | 2002-10-25 | 2004-11-17 | 邱则有 | Modular formwork members |
| CN1818250A (en) * | 2003-03-04 | 2006-08-16 | 邱则有 | Cast-in-situs building roof of reinforcing bar concrete |
| JP4642591B2 (en) * | 2005-08-11 | 2011-03-02 | 日東紡績株式会社 | Fiber reinforced resin permanent mold for reinforced concrete floor slab, method for producing the same, and reinforced concrete composite floor slab using permanent mold |
| CN201292598Y (en) * | 2008-10-22 | 2009-08-19 | 中国建筑第七工程局有限公司 | Thin-walled pipe for construction |
| CN207499222U (en) * | 2017-11-20 | 2018-06-15 | 中铁城建集团南昌建设有限公司 | Cassette ceiling thin-walled square chest positioning device |
-
2021
- 2021-02-23 CN CN202110200109.XA patent/CN112746702A/en active Pending
- 2021-03-25 WO PCT/CN2021/082918 patent/WO2022178936A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022178936A1 (en) | 2022-09-01 |
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