CN110565861A - Wood-concrete combined floor slab - Google Patents
Wood-concrete combined floor slab Download PDFInfo
- Publication number
- CN110565861A CN110565861A CN201810568826.6A CN201810568826A CN110565861A CN 110565861 A CN110565861 A CN 110565861A CN 201810568826 A CN201810568826 A CN 201810568826A CN 110565861 A CN110565861 A CN 110565861A
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- Prior art keywords
- wood
- flange portion
- rib
- positioning
- cover plate
- 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.)
- Pending
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- 239000004567 concrete Substances 0.000 title claims abstract description 46
- 239000002023 wood Substances 0.000 claims abstract description 57
- 239000002131 composite material Substances 0.000 claims abstract description 24
- 238000005452 bending Methods 0.000 claims description 14
- 238000004080 punching Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004578 natural building material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- 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
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
Abstract
the application relates to building structure technical field especially relates to a wood-concrete composite floor slab, includes: the number of the wood rib beams is not less than two; the two opposite sides of the cover plate are respectively provided with an abutting part, the two abutting parts of the cover plate are respectively abutted with the upper surfaces of two adjacent wood rib beams one by one, and the cover plate is uniformly arranged between every two adjacent wood rib beams; the connecting piece is positioned on the upper surface of the wood rib beam, is connected with the wood rib beam and is abutted between the opposite abutting parts of the two adjacent cover plates; and the concrete layer is laid on the cover plate and the connecting piece. The structure greatly shortens the construction period of the floor slab and improves the production efficiency.
Description
Technical Field
the application relates to the technical field of building structures, in particular to a wood-concrete composite floor slab.
Background
With the ecological and low-carbon thought being paid attention to gradually, people begin to pay more attention to the ecological and sustainable development of buildings. The wood is regarded as a natural building material which has low energy consumption, is renewable and is easy to decompose, and is paid attention again. However, for the engineering structure, the wood members are still limited in span, structural form and modeling performance. Therefore, in order to make up for the defects of the wood structure, a combined wood structure form is often adopted in the design.
the wood-concrete composite structure is a novel structure developed on the basis of a wood structure and a concrete structure. It gives full play to the excellent properties of two materials of wood and concrete: wood has good tensile strength and ductility, while concrete has excellent compressive strength and greater stiffness, and the presence of concrete improves the overall stability of the structure. The strength and rigidity of the material are both utilized to the maximum. Research and practice prove that the wood-concrete composite structure has the following characteristics: the method is low-carbon, energy-saving and renewable; secondly, the bearing capacity of unit weight is larger, and meanwhile, the elasticity and the toughness are good, so that the impact and the vibration can be borne; the self weight is light, and the economic benefit is good; compared with the traditional wood structure, the wood board has good fireproof performance; the wood-concrete composite floor slab has good sound insulation property, and can effectively improve the transmission of noise; sixthly, the composite material has good heat insulation performance, and special performances of warm in winter and cool in summer.
at present, a standard architecture of a wood-concrete composite structure as a floor slab does not exist, and since the shape of each floor slab is different, when the wood-concrete composite floor slab is constructed, specific construction is often performed corresponding to the structure of each floor slab, which inevitably causes low production efficiency.
Disclosure of Invention
The application provides a wood-concrete composite floor slab, which is used for solving the problem of low efficiency of installation and production of connecting pieces of the wood-concrete composite floor slab in the prior art.
The application provides a wood-concrete composite floor slab, includes:
The number of the wood rib beams is not less than two;
The two opposite sides of the cover plate are respectively provided with an abutting part, the two abutting parts of the cover plate are respectively abutted with the upper surfaces of two adjacent wood rib beams one by one, and the cover plate is uniformly arranged between every two adjacent wood rib beams;
The connecting piece is positioned on the upper surface of the wood rib beam, is connected with the wood rib beam and is abutted between the opposite abutting parts of the two adjacent cover plates;
And the concrete layer is laid on the cover plate and the connecting piece.
Further, the upper surface of the wood rib beam is provided with a positioning groove, and the connecting piece is positioned in the positioning groove.
furthermore, the upper surface of the wooden rib beam is provided with a plurality of positioning grooves, the connecting pieces are arranged in a plurality of numbers, and one connecting piece is positioned in each positioning groove.
Furthermore, the connecting piece includes location portion and with the flange portion that location portion links to each other, location portion is used for stretching into fix a position in the constant head tank, the flange portion with the upper surface of wooden rib roof beam is formed with and holds the clearance, butt portion stretches into in the holding clearance.
Furthermore, the flange part and the positioning part are combined into a T-shaped structure, and the accommodating gaps are formed on the two sides of the positioning part of the flange part and the wood rib beam.
Further, the connecting piece is formed by stamping and bending a plate-shaped connecting plate.
Furthermore, the positioning portion has a press forming hole, the flange portion includes a first flange portion and a second flange portion respectively located on two sides of the positioning portion, the positioning portion is formed by bending with a junction of the press forming hole and the first flange portion as a bending point, and the first flange portion and the second flange portion are integrally formed.
further, the first flange portion includes a plurality of convex portions arranged at intervals, and the first flange portions connected to each of the wood rib beams are located on the same side of the wood rib beam and arranged opposite to the first flange portions connected to two adjacent wood rib beams.
Furthermore, the connecting piece is glued with the positioning groove.
furthermore, an inter-beam gap is formed between two adjacent wood rib beams, and a decorative plate is arranged on the part of the lower surface of the cover plate, which is exposed out of the inter-beam gap.
The technical scheme provided by the application can achieve the following beneficial effects:
Compared with the prior art, the wood-concrete combined floor slab provided by the application has the advantages that the floor slab is divided into a plurality of parts by the wood rib beam, a cover plate is laid on each part, the transverse positioning of the cover plate is realized by the connecting piece positioned above the wood rib beam, and after the cover plate is positioned, concrete can be poured on the cover plate to form the wood-concrete combined floor slab; such structure can adapt to the shape of different floor slabs, can construct as a standard framework, and constructor when making the floor slab, only need carry the apron that the quantity is suitable, wooden rib roof beam and connecting piece can, need not consider the concrete structure of floor slab earlier stage, also need not process corresponding part according to the structure of floor slab, very big shortening construction period, improved production efficiency.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
fig. 1 is a perspective sectional view of a wood-concrete composite floor slab according to an embodiment of the present application;
fig. 2 is a perspective view of a wood-ribbed beam provided in an embodiment of the present application;
Fig. 3 is a perspective view of a cover plate provided in an embodiment of the present application;
FIG. 4 is a perspective view of a connector provided in accordance with an embodiment of the present application;
FIG. 5 is a perspective view of the assembled wooden rib beam and cover plate provided by the embodiment of the present application;
FIG. 6 is a perspective view of the cover plate, the wood-rib beam and the connecting member provided in the embodiment of the present application after assembly;
fig. 7 is a perspective view of the assembled cover plate, the wood rib beam, the connecting member and the reinforcing mesh provided by the embodiment of the present application.
Reference numerals:
100-a wood rib beam;
110-a positioning groove;
120-beam gap;
200-a cover plate;
300-a connector;
310-a positioning section;
311-punching a forming hole;
321-a first flange portion;
3211-projection;
322-a second flange portion;
400-concrete layer;
410-steel mesh.
the accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
as shown in fig. 1-7, is the preferred embodiment of the present application.
the wood-concrete composite floor slab comprises wood rib beams 100, a cover plate 200, connecting pieces 300 and a concrete layer 400. Two are no less than to the quantity of wooden rib roof beam 100, and each wooden rib roof beam 100 transverse arrangement, have all laid apron 200 on every two adjacent wooden rib roof beams 100, and apron 200 is used for hiding the clearance between two adjacent wooden rib roof beams 100, and the relative both sides of apron 200 are provided with butt portion respectively, and two butt portions of apron 200 respectively one by one with the upper surface butt of two adjacent wooden rib roof beams 100. The connector 300 is located on the upper surface of the wood rib beam 100 and connected with the wood rib beam 100, the connector 300 abuts between the opposite abutting portions of two adjacent cover plates 200, the connector 300 is used for positioning the cover plates 200 in the transverse direction and preventing the cover plates 200 from generating transverse displacement on the wood rib beam 100, the concrete layer 400 is laid on the cover plates 200, the cover plates 200 and the wood rib beams 100 simultaneously support the concrete before the concrete is solidified and formed, and in order to enhance the rigidity and strength of the concrete layer 400, specifically, a steel mesh 410 structure can be arranged in the concrete layer 400.
According to the wood-concrete combined floor slab, the wood rib beam 100 for the floor slab is divided into a plurality of parts, a cover plate 200 is laid on each part, the transverse positioning of the cover plate 200 is realized by the connecting piece 300 positioned above the wood rib beam 100, and after the positioning of the cover plate 200 is finished, concrete can be poured on the cover plate 200 to form the wood-concrete combined floor slab; the structure can adapt to the shapes of different floors and can be used as a standard framework for construction, when a constructor manufactures the floors, the constructor only needs to carry the cover plates 200, the wood rib beams 100 and the connecting pieces 300 with proper quantity, the concrete structure of the floors is not needed to be considered in the early stage, corresponding parts are not needed to be processed according to the structure of the floors, the construction period is greatly shortened, and the production efficiency is improved.
Preferably, the wood-rib beams 100 can be arranged in a coplanar manner, and in order to adapt to different types of floor slabs, the wood-rib beams 100 can be arranged in the same horizontal plane, or in a plane with an inclination angle (when a slope floor slab with an inclination angle needs to be built), and further, the interval between the wood-rib beams 100 can be set to be the same, so that the manufacture of the cover plate 200 is facilitated, and of course, since the size of the floor slab is not calculated in advance, and the interval between the wood-rib beams 100 is adapted to the size of the cover plate 200, the interval between two wood-rib beams 100 can be reduced or enlarged at the edge of the floor slab. When the composite floor slab is constructed, the connecting member 300 can be arranged after the wood rib beams 100 and the cover plate 200 are installed, preferably, the connecting member 300 can be arranged on the wood rib beams 100 firstly, then the wood rib beams 100 are arranged, and then the abutting parts on two sides of the cover plate 200 are respectively penetrated into the accommodating gaps formed by the connecting members 300 on the two adjacent wood rib beams 100 and connected with the wood rib beams one by one, so that the connecting members 300 can be installed more conveniently, and the cover plate 200 is prevented from falling due to the fact that no positioning member is arranged. Also, the cover plate 200 may be a wooden plate, a prefabricated cement plate, or other materials, and the materials are not limited herein.
In order to facilitate the positioning of the connecting member 300, in this embodiment, the positioning groove 110 is disposed on the upper surface of the wood rib beam 100, and the connecting member 300 is positioned in the positioning groove 110, specifically, the connecting member 300 may be connected to the positioning groove 110 in a manner similar to an interference fit, preferably, the positioning groove 110 may be formed in a shape in which a gap gradually decreases from top to bottom, and then the connecting member 300 is tightly clamped in the positioning groove 110 to achieve tight connection with the wood rib beam 100, in another embodiment, the connecting member 300 may be glued in the positioning groove 110, the glue may not only better connect the connecting member 300 in the positioning groove 110, but also fill the gap in the positioning groove 110, so that the internal structure of the wood rib beam 100 is fuller, and the strength and rigidity of the wood rib beam 100 are enhanced.
Because the standardized processing of the number and the interval of the connecting pieces 300 on the wood rib beam 100 is required, in this embodiment, the upper surface of the wood rib beam 100 is provided with a plurality of positioning grooves 110, the connecting pieces 300 are also provided in a plurality, and one connecting piece 300 is respectively positioned in each positioning groove 110, thus, because a plurality of positioning grooves 110 are arranged in advance, and each positioning groove 110 is correspondingly matched with one connecting piece 300, the number of the connecting pieces 300 is convenient to know, the number of the connecting pieces 300 is convenient to prepare, particularly, the interval between the positioning grooves 110 can be equal or unequal, preferably, the interval of the positioning grooves 110 can be set according to the specific stress condition of the cover plate 200, so that the standardized construction can be further enhanced.
In one embodiment, the connecting member 300 includes a positioning portion 310 and a flange portion connected to the positioning portion 310, the positioning portion 310 is used to extend into the positioning groove 110 for positioning, an accommodating gap is formed between the flange portion and the upper surface of the wood rib beam 100, and the abutting portion of the cover plate 200 extends into the accommodating gap, that is, the connecting member 300 not only has a positioning function for the transverse direction of the cover plate 200, but also has a positioning function for the vertical direction of the cover plate 200, so that the cover plate 200 can be better limited on the wood rib beam 100, and preferably, the connecting member 300 can be formed by stamping and bending a plate-shaped connecting plate, so that the connecting member 300 can be conveniently processed in batch. Specifically, the shape of the connector 300 may be L-shaped, that is, the positioning portion 310 is a vertically arranged portion and the flange portion is a laterally arranged portion, and such a shape also facilitates the stamping process thereof.
Further, the flange part can be combined with the positioning part 310 to form a T-shaped structure, and the flange part and the wood rib beam 100 are formed with accommodating gaps on both sides of the positioning part 310, so that the connecting member 300 can limit the degrees of freedom in the vertical direction of the cover plates 200 respectively located on both sides thereof, so that the limit points in the vertical direction of the cover plates 200 are increased, the positioning is more firm, the stress on both sides of the connecting member 300 is more balanced, and the situation that the connecting member 300 is bent after overload due to single-side stress is not easy to occur.
similarly, the T-shaped connecting member 300 may be formed by punching and bending a plate-shaped connecting plate, preferably, the positioning portion 310 has a punching hole 311, the flange portion includes a first flange portion 321 and a second flange portion 322 respectively located at two sides of the positioning portion 310, the positioning portion 310 is formed by bending a boundary between the punching hole 311 and the first flange portion 321 as a bending point, and the first flange portion 321 and the second flange portion 322 are integrally formed, that is, as shown in fig. 4, an arch seam is provided on the connecting plate before the connecting member 300 is formed, two end points of the arch seam are a first bending point and a second bending point, and the connecting plate is bent along a connecting line of the first bending point and the second bending point to form the connecting member 300. The part of the connecting plate that the arch line seam encloses is the convex part 3211, the position that the convex part 3211 occupies is the stamping hole 311, after the connecting plate is bent, the convex part 3211 is separated from the stamping hole 311, the part with the stamping hole 311 is the positioning part 310, and the part with the convex part 3211 is the first flange part 321. The structure can better meet the requirement that the connecting piece 300 is in a T-shaped structure after being stamped, and meanwhile, as the stamping hole 311 is formed on the positioning part 310, when the connecting piece 300 is bonded, the adhesive can be accumulated in the stamping hole 311, and the adhesive is clamped in the stamping hole 311 after being bonded, so that the positioning part 310 can be more firmly positioned in the positioning groove 110.
In practice, a plurality of the above-mentioned arcuate slits may be provided in the connecting plate before the connector 300 is molded, that is, after the connecting plate is bent into the connector 300, the first flange portion 321 may include a plurality of the above-mentioned convex portions 3211, and the shape of the convex portions 3211 may be an arc shape or a rectangular shape as shown in fig. 4. In one embodiment, as shown in fig. 4, the first flange portion 321 includes a plurality of spaced apart convex portions 3211, each first flange portion 321 connected to each rib beam 100 is located on the same side of the rib beam 100, and the first flange portions 321 located on two adjacent rib beams 100 are oppositely arranged, that is, the receiving gaps located on two sides of each cover plate 200 are formed by either the first flange portion 321 and the rib beam 100 or the second flange portion 322 and the rib beam 100, so that the receiving gaps located on two sides of the cover plate 200 are substantially the same, because when there is an error in the perpendicularity between the flange portion and the positioning portion 310, which is a systematic error, either the first flange portion 321 is closer to the upper surface of the rib beam 100 or the second flange portion 322 is closer to the upper surface of the rib beam 100. The structure facilitates the assembly of the cover plate 200 when the cover plate 200 is installed after the connecting piece 300 is installed, and meanwhile, the gaps of the cover plate 200 are even, and the stress is even when the connecting piece 300 abuts against the cover plate 200.
be formed with clearance 120 between the roof beam between two adjacent wooden rib roof beams 100, because in actual conditions, the position that exposes in clearance 120 between the roof beam of the lower surface of apron 200 can expose, namely after the floor construction is accomplished, the user can directly see the position that exposes in clearance 120 between the roof beam of the lower surface of apron 200 from below the floor, and like this, firstly, influence the aesthetic property of floor, secondly, pollutant such as dust on the apron 200 can drop, in order to solve this problem, it is preferred that the position that exposes in clearance 120 between the roof beam at the lower surface of apron 200 is provided with the decorative board, the decorative board can make the below of floor more pleasing to the eye on the one hand, on the other hand fine isolated pollutant whereabouts.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. a wood-concrete composite floor slab, comprising:
the number of the wood rib beams is not less than two;
The two opposite sides of the cover plate are respectively provided with an abutting part, the two abutting parts of the cover plate are respectively abutted with the upper surfaces of two adjacent wood rib beams one by one, and the cover plate is uniformly arranged between every two adjacent wood rib beams;
The connecting piece is positioned on the upper surface of the wood rib beam, is connected with the wood rib beam and is abutted between the opposite abutting parts of the two adjacent cover plates;
And the concrete layer is laid on the cover plate and the connecting piece.
2. The wood-concrete composite floor slab according to claim 1, wherein the wood-ribbed beam is provided at an upper surface thereof with positioning grooves in which the connectors are positioned.
3. The wood-concrete composite floor according to claim 2, wherein the upper surface of the wood-rib beam is provided with a plurality of positioning grooves, and the connecting members are provided in plurality, one of the connecting members being positioned in each of the positioning grooves.
4. The wood-concrete composite floor slab according to claim 2, wherein the connecting member includes a positioning portion for extending into the positioning groove to be positioned, and a flange portion connected to the positioning portion, the flange portion forming a receiving gap with an upper surface of the wood rib beam, the abutting portion extending into the receiving gap.
5. the wood-concrete composite floor according to claim 4, wherein the flange portion and the positioning portion are combined into a T-shaped structure, and the receiving gaps are formed at both sides of the positioning portion between the flange portion and the wood-rib beam.
6. the wood-concrete composite floor according to claim 4, wherein the coupling members are formed by punching and bending a plate-shaped coupling plate.
7. The wood-concrete composite floor according to claim 5, wherein the positioning portion has a press-formed hole, the flange portion includes a first flange portion and a second flange portion respectively located at both sides of the positioning portion, the positioning portion is formed by bending at a bending point at a boundary between the press-formed hole and the first flange portion, and the first flange portion and the second flange portion are integrally formed.
8. a wood-concrete composite floor according to claim 7, wherein said first flange portion includes a plurality of spaced-apart projections, each of said first flange portions connected to each of said wood-rib beams being located on the same side of said wood-rib beam, being disposed opposite to said first flange portion connected to adjacent two of said wood-rib beams.
9. the wood-concrete composite floor according to claim 2, wherein the connector is glued to the positioning groove.
10. The wood-concrete composite floor according to claim 1, wherein an inter-beam gap is formed between two adjacent wood-rib beams, and a decorative plate is provided on a lower surface of the cover plate at a portion exposed to the inter-beam gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810568826.6A CN110565861A (en) | 2018-06-05 | 2018-06-05 | Wood-concrete combined floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810568826.6A CN110565861A (en) | 2018-06-05 | 2018-06-05 | Wood-concrete combined floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110565861A true CN110565861A (en) | 2019-12-13 |
Family
ID=68772158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810568826.6A Pending CN110565861A (en) | 2018-06-05 | 2018-06-05 | Wood-concrete combined floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110565861A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2653828A1 (en) * | 1975-11-28 | 1977-06-08 | Traeullit Ab | Wide span concrete joist frame moulding form - comprises channelled long parallelepiped blocks and permanently retained rectangular panels |
| US5561957A (en) * | 1993-03-03 | 1996-10-08 | Gauthier; Daniel | Composite wood-concrete building member |
| CN208918099U (en) * | 2018-06-05 | 2019-05-31 | 迈瑞司（北京）抗震住宅技术有限公司 | A kind of wood-concrete combined floor |
-
2018
- 2018-06-05 CN CN201810568826.6A patent/CN110565861A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2653828A1 (en) * | 1975-11-28 | 1977-06-08 | Traeullit Ab | Wide span concrete joist frame moulding form - comprises channelled long parallelepiped blocks and permanently retained rectangular panels |
| US5561957A (en) * | 1993-03-03 | 1996-10-08 | Gauthier; Daniel | Composite wood-concrete building member |
| CN208918099U (en) * | 2018-06-05 | 2019-05-31 | 迈瑞司（北京）抗震住宅技术有限公司 | A kind of wood-concrete combined floor |
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