CN105926845B - The prefabricated acoustical insulation floor end bay intermediate plate of modularization - Google Patents
The prefabricated acoustical insulation floor end bay intermediate plate of modularization Download PDFInfo
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- CN105926845B CN105926845B CN201610356154.3A CN201610356154A CN105926845B CN 105926845 B CN105926845 B CN 105926845B CN 201610356154 A CN201610356154 A CN 201610356154A CN 105926845 B CN105926845 B CN 105926845B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/42—Gratings; Grid-like panels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/50—Self-supporting slabs specially adapted for making floors ceilings, or roofs, e.g. able to be loaded
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
- E04C2/521—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling
- E04C2/523—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling for ventilating
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
- Floor Finish (AREA)
Abstract
The present invention provides a kind of prefabricated acoustical insulation floor end bay intermediate plate of modularization, two edges of boards joists are located at two sides, if being therebetween joist in dry plate, edges of boards joist and joist in plate are mutually parallel, and the spacing of joist is equal in plate；Joist, edges of boards joist are concordant at one end in plate, and end nail penetrates banded plate, and banded plate stiffening plate is arranged in the outside of banded plate；Preferentially lay stull in plate in plate between joist and in plate between joist and edges of boards joist, stull is with joist in plate and edges of boards joist preferentially using nail connection in plate；In plate joist, edges of boards joist left and right ends sound insulating material baffle is respectively set, the beneficial effects of the invention are as follows installation operate it is significant simplify, assembling speed is fast, big component general assembly can be used, industrialization degree is higher, good economical benefit, and avoids environmental pollution.Sound insulating layer is especially embedded into the inside of plate, reduces a large amount of field operations, is constructed by series, makes it have good stress performance.
Description
Technical field
The invention belongs to technical field of buildings, more particularly to a kind of prefabricated acoustical insulation floor end bay intermediate plate of modularization.
Background technique
According to statistics, construction industry consumes about 50% energy on the earth, 42% water resource, 50% material and 48%
Arable land.Cause disruption of ecological balance, produce global 24% air pollution, 50% greenhouse effects, 40% pollution of waterhead and
50% chlorofluorocarbons etc..
Green building curbs environmental pollution in China, energy-saving and emission-reduction, plays vital work in terms of the adjustment industrial structure
With.Past China in terms of Development of Green Building, emphasis steel construction and concrete structure and have ignored timber structure green building.
Steel, cement, plastics non-renewable unsustainable property clearly.Present developed country have been recognized that Wood construction and
The building materials processed using agricultural wastes, are the correct directions of building industry sustainable development, however department, the Chinese government and society
Can all circles for the extensive use of novel Wood construction, there is also many mistaken ideas.
For this reason, it is necessary to carry out systematic research and development for timber structure green building and its industrialization, produce China's building
Industry really realizes the green, recyclable, sustainable of overall process.
Summary of the invention
Time length, environmental protection, the prefabricated sound insulation building of modularization that can be recycled are used the purpose of the present invention is to provide a kind of
Edges of boards reduce a large amount of field operations, while guaranteeing that manufacturing procedure is simple, more guarantee across intermediate plate without in addition setting sound insulating layer
It is with good stress performance.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
The prefabricated acoustical insulation floor end bay intermediate plate of modularization mainly includes joist, edges of boards joist, banded plate, banded plate in plate
Stull, sound insulating material baffle, bay floor, ventilation opening and flooring top plate in stiffening plate, plate, two edges of boards joists are located at two
Side, if being therebetween joist in dry plate, edges of boards joist and joist in plate are mutually parallel, and the spacing of joist is equal in plate；
The spacing of joist is 38 ~ 40mm smaller than the spacing of joist in plate in one of edges of boards joist and plate, another edges of boards
Joist (2) is equal with the spacing of joist in plate with the spacing of joist in plate；
Joist, edges of boards joist are concordant at one end in plate, and end nail penetrates banded plate, and each tie point nail quantity is 2 ~ 4；
It is 40mm ~ 93mm shorter than joist in plate in the length of other end edges of boards joist,
In the outside of banded plate, banded plate stiffening plate is set；
Stull in plate is preferentially laid in plate between joist and in plate between joist and edges of boards joist, in plate in stull and plate
Joist and edges of boards joist are preferentially using nail connection；
In plate joist, edges of boards joist left and right ends sound insulating material baffle, sound insulating material baffle and three is respectively set
It is mutually vertical, and apart from 50 ~ 109mm of banded plate, the edge of joist is 89mm ~ 185mm in the plate of the other side；
In plate joist, edges of boards joist, the two sides of stull follow closely penetrate flooring top plate and bay floor respectively in plate, flooring top plate
It is located at joist in plate with the seam up and down of bay floor, and the seam of the flooring top plate and bay floor adjacent with left and right is staggered,
And the flooring top plate of corresponding position and the seam of bay floor are staggered；Flooring top plate and bay floor upper and lower ends respectively with edges of boards
The outer edge of joist flushes, and left and right is aligned with sound insulating material baffle respectively；
The lattice of joist, edges of boards joist, stull in plate, sound insulating material baffle, bay floor and flooring top plate besieged city in plate
Sound insulating material is filled in structure formula cavity；
The outer edge of frame banded plate stiffening plate, opens up ventilation opening.
Joist, edges of boards joist, banded plate preferentially use the same thickness and height in the plate, high with a thickness of 38mm ~ 50mm
Degree is 180 ~ 300, preferentially uses 184mm, 185mm, 235mm, 284mm, 285mm；
Banded plate stiffening plate is arranged in the outside of banded plate, and the height of banded plate stiffening plate is 30mm ~ 60mm lower than banded plate,
Height is 140mm ~ 250mm, preferentially uses 140mm, 184mm, 185mm, 235mm, and the two top is concordant；In banded plate stiffening plate
Outside open up ventilation opening, the vertical banded plate stiffening plate of ventilation opening and perforation, it is inside that the depth of ventilation opening, which is 10mm ~ 19mm,
Recessed 135 ° ~ 180 ° of circular arc, circular arc and banded plate stiffening plate plane are connected as radius for the circular arc of 2 ~ 5mm, between ventilation opening
Away from for 300mm ~ 610mm, it is preferential using using 300 mm, 305mm, 400 mm, 406mm, 490mm, 500 mm, 600mm and
610mm, the two is preferentially using nail connection；
One piece of plank substitution can be used in banded plate and banded plate stiffening plate, and thickness preferentially uses 89mm, 90mm, on the outside bottom
Angle fluting, the depth-first of slot use 38mm and 40mm, and high-priority uses 30mm ~ 50mm；Ventilation opening is opened up on the outside, is divulged information
Mouth penetrates through from the bottom to top, and the depth of ventilation opening is 10mm ~ 19mm, for the circular arc for being inwardly recessed 135 ° ~ 180 °, circular arc and frame beam
Stiffening plate plane is connected as the circular arc that radius is 2 ~ 5mm, and the spacing of ventilation opening is 300mm ~ 610mm, preferential using using 300
Mm, 305mm, 400 mm, 406mm, 490mm, 500 mm, 600mm and 610mm；
The flooring top plate and bay floor preferentially use OSB plate, bay floor with a thickness of 6mm ~ 12mm, flooring top plate
With a thickness of 15mm ~ 18mm.
The sound insulating material can use plant fiber, vegetable fibre board, mineral wool, mineral wool, foamed plastics, felt, mine
Cotton acoustic board, mineral wool acoustic board, softboard, sponge and latex block.
It operating the beneficial effects of the invention are as follows installation and significantly simplifies, assembling speed is fast, big component general assembly can be used,
Industrialization degree is higher, good economical benefit, and avoids environmental pollution.Sound insulating layer is especially embedded into the inside of plate, is reduced
A large amount of field operations are constructed by series, make it have good stress performance.
Detailed description of the invention
The prefabricated acoustical insulation floor end bay intermediate plate of modularization in the present invention is described further with reference to the accompanying drawing:
Fig. 1 is schematic top plan view before the prefabricated acoustical insulation floor end bay intermediate plate cladding boards of modularization of the present invention；
Fig. 2 is schematic top plan view after the prefabricated acoustical insulation floor end bay intermediate plate cladding boards of modularization of the present invention；
Fig. 3 is the prefabricated acoustical insulation floor end bay intermediate plate cladding boards rear side viewing schematic diagram of modularization of the present invention；
In figure: 1 is joist in plate；2 be edges of boards joist；3 be banded plate；4 be banded plate stiffening plate；5 be stull in plate；6
For sound insulating material baffle；7 be bay floor；8 be ventilation opening；9 be flooring top plate.
Specific embodiment
In order to further illustrate the present invention, with reference to the accompanying drawings and embodiments to the prefabricated sound insulation of modularization provided by the invention
Floor end bay intermediate plate is described in detail, but they cannot be interpreted as limiting the scope of the present invention.
A kind of prefabricated acoustical insulation floor end bay intermediate plate of modularization mainly includes joist 1, edges of boards in plate as shown in Fig. 1 ~ Fig. 3
Joist 2, banded plate 3, banded plate stiffening plate 4, stull 5, sound insulating material baffle 6, bay floor 7, ventilation opening 8 and flooring top in plate
Plate 9.
Two edges of boards joists 2 are located at two sides, if being therebetween joist 1 in dry plate, joist in edges of boards joist 2 and plate
1 is mutually parallel, and the spacing of joist 1 is equal in plate；
The spacing of one of edges of boards joist 2 and joist 1 in plate is 38 ~ 40mm smaller than the spacing of joist 1 in plate, another plate
Side joist 2 and the spacing of joist 1 in plate are equal with the spacing of joist 1 in plate；
Joist 1, edges of boards joist 2 are concordant at one end in plate, and end nail penetrates banded plate 3, and each tie point nail quantity is 2 ~ 4
It is a；It is 40mm ~ 93mm shorter than joist 1 in plate in the length of other end edges of boards joist 2,
In the outside of banded plate 3, banded plate stiffening plate 4 is set；
Preferentially lay stull 5 in plate in plate between joist 1 and in plate between joist 1 and edges of boards joist 2, stull 5 in plate
With joist 1 in plate and edges of boards joist 1 preferentially using nail connection；
In plate joist 1, edges of boards joist 2 left and right ends be respectively set sound insulating material baffle 6, sound insulating material baffle 6 with
Three is mutually vertical, and apart from 350 ~ 109mm of banded plate, the edge of joist 1 is 89mm ~ 185mm in the plate of the other side；
In plate joist 1, edges of boards joist 2, the two sides of stull 5 follow closely penetrate flooring top plate 9 and bay floor 7, building respectively in plate
The seam up and down of face top plate 9 and bay floor 7 is located at joist 1 in plate, and the flooring top plate 9 and bay floor 7 adjacent with left and right
Seam be staggered, and the flooring top plate 9 of corresponding position and the seam of bay floor 7 are staggered；On flooring top plate 9 and bay floor 7
Lower both ends are flushed with the outer edge of edges of boards joist 2 respectively, and left and right is aligned with sound insulating material baffle 6 respectively；
In plate joist 1, edges of boards joist 2, stull 5, sound insulating material baffle 6, bay floor 7 and flooring top plate 9 enclose in plate
Sound insulating material is filled in the lattice cavity in city；
The outer edge of frame banded plate stiffening plate 4, opens up ventilation opening 8.
In the plate joist 1, edges of boards joist 2, banded plate 3 preferentially use the same thickness and height, with a thickness of 38mm ~
50mm is highly 180 ~ 300, preferentially uses 184mm, 185mm, 235mm, 284mm, 285mm；
The outside of banded plate 3, is arranged banded plate stiffening plate 4, the height of banded plate stiffening plate 4 than the low 30mm of banded plate 3 ~
60mm is highly 140mm ~ 250mm, preferentially uses 140mm, 184mm, 185mm, 235mm, and the two top is concordant；In banded plate
The outside of stiffening plate 4 opens up ventilation opening 8, the vertical banded plate stiffening plate 4 of ventilation opening 8 and penetrates through, the depth of ventilation opening 8 be 10mm ~
19mm, for the circular arc for being inwardly recessed 135 ° ~ 180 °, circular arc and 4 plane of banded plate stiffening plate are connected as the circle that radius is 2 ~ 5mm
Arc, the spacing of ventilation opening 8 are 300mm ~ 610mm, preferential using using 300 mm, 305mm, 400 mm, 406mm, 490mm, 500
Mm, 600mm and 610mm, the two is preferentially using nail connection；
One piece of plank substitution can be used in banded plate 3 and banded plate stiffening plate 4, and thickness preferentially uses 89mm, 90mm, on the outside
Base angle fluting, the depth-first of slot use 38mm and 40mm, and high-priority uses 30mm ~ 50mm；Ventilation opening 8 is opened up on the outside,
Ventilation opening 8 penetrates through from the bottom to top, and the depth of ventilation opening 8 is 10mm ~ 19mm, for the circular arc for being inwardly recessed 135 ° ~ 180 °, circular arc with
5 plane of frame beam stiffening plate is connected as the circular arc that radius is 2 ~ 5mm, and the spacing of ventilation opening 8 is 300mm ~ 610mm, preferential to use
Using 300 mm, 305mm, 400 mm, 406mm, 490mm, 500 mm, 600mm and 610mm；
The flooring top plate 9 and bay floor 7 preferentially use OSB plate, bay floor 7 with a thickness of 6mm ~ 12mm, flooring
Top plate 9 with a thickness of 15mm ~ 18mm.
The sound insulating material can use plant fiber, vegetable fibre board, mineral wool, mineral wool, foamed plastics, felt, mine
Cotton acoustic board, mineral wool acoustic board, softboard, sponge and latex block.
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 (5)
1. a kind of prefabricated acoustical insulation floor end bay intermediate plate of modularization, including joist (1) in plate, edges of boards joist (2), banded plate (3),
Stull (5), sound insulating material baffle (6), bay floor (7), ventilation opening (8) and flooring top plate in banded plate stiffening plate (4), plate
(9), it is characterised in that: two edges of boards joists (2) are located at the two sides of the intermediate plate, if being therebetween joist in dry plate
(1), edges of boards joist (2) and joist in plate (1) are mutually parallel, and the spacing of joist (1) is equal in plate；One of edges of boards joist
(2) 38 ~ 40mm smaller than the spacing of joist in plate (1) with the spacing of joist (1) in plate, it is put in another edges of boards joist (2) and plate
The spacing of grid (1) is equal with the spacing of joist in plate (1)；Joist (1), edges of boards joist (2) are concordant at one end in plate, and end nail is penetrated
Banded plate (3), each tie point nail quantity are 2 ~ 4；It is shorter than joist in plate (1) in the length of other end edges of boards joist (2)
Banded plate stiffening plate (4) are arranged in the outside of banded plate (3) in 40mm ~ 93mm；A left side for joist (1), edges of boards joist (2) in plate
Right both ends are respectively set sound insulating material baffle (6), and sound insulating material baffle (6) is mutually vertical with three, and apart from banded plate (3)
50 ~ 109mm, the edge of joist (1) is 89mm ~ 185mm in the plate of the other side；In plate joist (1), edges of boards joist (2),
The two sides of stull (5) are followed closely respectively in plate penetrates flooring top plate (9) and bay floor (7), flooring top plate (9) and bay floor (7)
Upper and lower seam is located at joist (1) in plate, and the seam of the flooring top plate (9) and bay floor (7) adjacent with left and right is staggered, and right
The seam of the flooring top plate (9) and bay floor (7) of answering position is staggered；Flooring top plate (9) and bay floor (7) upper and lower ends point
It is not flushed with the outer edge of edges of boards joist (2), left and right is aligned with sound insulating material baffle (6) respectively；Joist (1), edges of boards in plate
The lattice cavity that stull (5), sound insulating material baffle (6), bay floor (7) and flooring top plate (9) surround in joist (2), plate
Interior filling sound insulating material；The outer edge of frame banded plate stiffening plate (4) opens up ventilation opening (8).
2. the prefabricated acoustical insulation floor end bay intermediate plate of modularization according to claim 1, it is characterised in that: joist in the plate
(1) stull (5) in plate is laid between and in plate between joist (1) and edges of boards joist (2), stull (5) and joist in plate in plate
(1) and edges of boards joist (1) is using nail connection.
3. the prefabricated acoustical insulation floor end bay intermediate plate of modularization according to claim 1, it is characterised in that: joist in the plate
(1), edges of boards joist (2), banded plate (3) are highly 180 ~ 300, adopted using the same thickness and height with a thickness of 38mm ~ 50mm
With 184mm, 185mm, 235mm, 284mm, 285mm；The outside of banded plate (3) is arranged banded plate stiffening plate (4), and banded plate adds
The height of strong plate (4) is 30mm ~ 60mm lower than banded plate (3), is highly 140mm ~ 250mm, using 140mm, 184mm, 185mm,
235mm, the two top are concordant；It is opened up on the outside of banded plate stiffening plate (4) ventilation opening (8), the vertical banded plate of ventilation opening (8) adds
The depth of strong plate (4) and perforation, ventilation opening (8) is 10mm ~ 19mm, for the circular arc for being inwardly recessed 135 ° ~ 180 °, circular arc and edge sealing
Plate stiffening plate (4) plane is connected as the circular arc that radius is 2 ~ 5mm, and the spacing of ventilation opening (8) is 300mm ~ 610mm, using 300
Mm, 305mm, 400 mm, 406mm, 490mm, 500 mm, 600mm or 610mm, the two is using nail connection；Banded plate (3) and envelope
One piece of plank substitution can be used in side plate stiffening plate (4), and thickness uses 89mm, 90mm, and base angle is slotted on the outside, and the depth of slot uses
38mm or 40mm highly uses 30mm ~ 50mm；It opens up on the outside ventilation opening (8), ventilation opening (8) penetrates through from the bottom to top, ventilation opening
(8) depth is 10mm ~ 19mm, and for the circular arc for being inwardly recessed 135 ° ~ 180 °, circular arc is connect with frame beam stiffening plate (5) plane
The circular arc for being 2 ~ 5mm for radius, the spacing of ventilation opening (8) are 300mm ~ 610mm, using 300 mm, 305mm, 400 mm,
406mm, 490mm, 500 mm, 600mm or 610mm.
4. the prefabricated acoustical insulation floor end bay intermediate plate of modularization according to claim 1, it is characterised in that: the flooring top plate
(9) and bay floor (7) use OSB plate, bay floor (7) with a thickness of 6mm ~ 12mm, flooring top plate (9) with a thickness of 15mm
~18mm。
5. the prefabricated acoustical insulation floor end bay intermediate plate of modularization according to claim 1, it is characterised in that: the sound insulating material is adopted
With plant fiber, vegetable fibre board, mineral wool, mineral wool, foamed plastics, felt, mineral wool sound absorption board, mineral wool acoustic board, soft
Fiberboard, sponge or latex block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610356154.3A CN105926845B (en) | 2016-05-26 | 2016-05-26 | The prefabricated acoustical insulation floor end bay intermediate plate of modularization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610356154.3A CN105926845B (en) | 2016-05-26 | 2016-05-26 | The prefabricated acoustical insulation floor end bay intermediate plate of modularization |
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| Publication Number | Publication Date |
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| CN105926845A CN105926845A (en) | 2016-09-07 |
| CN105926845B true CN105926845B (en) | 2019-03-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4603532A (en) * | 1985-11-06 | 1986-08-05 | Structural Design Services | Modular building construction |
| JPH05311803A (en) * | 1992-05-12 | 1993-11-22 | Natl House Ind Co Ltd | Floor panel |
| CN201972286U (en) * | 2011-01-04 | 2011-09-14 | 同济大学 | Combined wood floor cover |
| CN202483046U (en) * | 2012-03-19 | 2012-10-10 | 南昌市建筑工程集团有限公司 | Self-heat-preservation sound-insulation rib floor |
| CN205857521U (en) * | 2016-05-26 | 2017-01-04 | 沈阳建筑大学 | A kind of modularity prefabricated acoustical insulation floor end bay intermediate plate |
-
2016
- 2016-05-26 CN CN201610356154.3A patent/CN105926845B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4603532A (en) * | 1985-11-06 | 1986-08-05 | Structural Design Services | Modular building construction |
| JPH05311803A (en) * | 1992-05-12 | 1993-11-22 | Natl House Ind Co Ltd | Floor panel |
| CN201972286U (en) * | 2011-01-04 | 2011-09-14 | 同济大学 | Combined wood floor cover |
| CN202483046U (en) * | 2012-03-19 | 2012-10-10 | 南昌市建筑工程集团有限公司 | Self-heat-preservation sound-insulation rib floor |
| CN205857521U (en) * | 2016-05-26 | 2017-01-04 | 沈阳建筑大学 | A kind of modularity prefabricated acoustical insulation floor end bay intermediate plate |
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| Publication number | Publication date |
|---|---|
| CN105926845A (en) | 2016-09-07 |
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