CN213449074U - Whole-space prefabricated composite floor slab of reinforced truss concrete with no rib at periphery - Google Patents
Whole-space prefabricated composite floor slab of reinforced truss concrete with no rib at periphery Download PDFInfo
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- CN213449074U CN213449074U CN202021620628.9U CN202021620628U CN213449074U CN 213449074 U CN213449074 U CN 213449074U CN 202021620628 U CN202021620628 U CN 202021620628U CN 213449074 U CN213449074 U CN 213449074U
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- plate body
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- steel
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- 239000004567 concrete Substances 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 title claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 124
- 239000010959 steel Substances 0.000 claims abstract description 124
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 56
- 210000003205 muscle Anatomy 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 29
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 15
- 238000009434 installation Methods 0.000 abstract description 11
- 210000001503 joint Anatomy 0.000 abstract description 6
- 238000005452 bending Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005267 amalgamation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a prefabricated coincide floor between whole of peripheral no muscle formula steel bar truss concrete, including the coincide plate body that is used for pouring the coincide layer, vertically and horizontally staggered's bottom plate reinforcing bar has been arranged to the coincide plate body, the coincide plate body does not have the coincide plate body of muscle formula for the periphery, it is provided with a plurality of steel bar trusses to arrange on the coincide plate body, still be provided with at least twice reinforcing bar firm roof beam on the coincide plate body, the reinforcing bar firm roof beam perpendicular to the steel bar truss, the steel bar truss with the upper portion of reinforcing bar firm roof beam stretches out the upper surface of coincide plate body. The utility model discloses simple to operate, the trouble of secondary cementation of fissures and board support anchor bar and roof beam top muscle cross interlude when having avoided board and board butt joint to splice between board and the board, construction installation rate is fast, practiced thrift manual work and engineering cost.
Description
Technical Field
The utility model relates to a coincide floor for the building especially relates to a prefabricated coincide floor between whole of peripheral no muscle formula steel bar truss concrete.
Background
The prefabricated coincide floor of steel bar truss concrete that house that present built nationwide used, it forms for prefabricated veneer polylith butt joint amalgamation, later pour the floor of coincide layer constitution house, the mode of the prefabricated veneer butt joint amalgamation concrete prefabricated coincide floor, the installation is inconvenient, construction installation speed is slow, there is the butt joint between the board and leaves the seam in the construction, the anchor bar is reserved to the board support, etc., cause the trouble of secondary cementation of fissures and the alternately interlude of board support anchor bar and roof beam top muscle for the construction, waste manual work, engineering cost height in the work progress.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a prefabricated coincide floor in whole of peripheral no muscle formula steel bar truss concrete that construction installation rate is fast, practiced thrift manual work and engineering cost is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: prefabricated coincide floor between whole of peripheral no muscle formula steel bar truss concrete, including the coincide plate body that is used for pouring the superimposed sheet, vertically and horizontally staggered's bottom plate reinforcing bar has been arranged to the superimposed sheet internal, the peripheral muscle that does not have of coincide plate body, the coincide plate body is arranged and is provided with a plurality of steel bar trusses, the coincide plate body still is provided with two at least reinforcing bar steady roof beams, the reinforcing bar stabilizes the roof beam perpendicular to the steel bar truss, the steel bar truss with the upper portion of reinforcing bar steady roof beam stretches out the upper surface of coincide plate body.
Preferably, the peripheral side surface and the top surface of the laminated plate body are respectively provided with a rough surface.
As a preferred technical scheme, the reinforcing steel bar stabilizing beam comprises a plurality of V-shaped reinforcing steel bars, the V-shaped reinforcing steel bars are sequentially arranged and parallel to each other, the lower parts of the V-shaped reinforcing steel bars are positioned in the laminated slab body, the upper parts of the V-shaped reinforcing steel bars extend out of the upper surface of the laminated slab body, connecting top ribs are arranged at the tops of the V-shaped reinforcing steel bars, connecting bottom ribs are arranged at the bottoms of the V-shaped reinforcing steel bars in the laminated slab body, the connecting top ribs are perpendicular to the reinforcing steel bar truss, and the connecting top ribs are perpendicular to the connecting bottom ribs; the top of each V-shaped reinforcing steel bar is connected with the connecting top reinforcing steel bar through welding, and the two bottoms of each V-shaped reinforcing steel bar are connected with the connecting bottom reinforcing steel bar through welding.
According to the preferable technical scheme, the steel bar truss comprises an upper chord steel bar and two lower chord steel bars, the upper chord steel bar and the two lower chord steel bars are parallel to each other, the two lower chord steel bars are located in the laminated slab body, the upper chord steel bar is located on the upper side of the laminated slab body, and web member steel bars are welded between the upper chord steel bar and the two lower chord steel bars respectively.
According to the preferable technical scheme, the cross section of the steel bar truss is triangular, and the web member steel bars are wavy.
According to the preferable technical scheme, the web member steel bars are provided with web member steel bar wave crests for lifting the laminated plate body, lifting additional steel bars are respectively arranged at the web member steel bar wave troughs on two sides of the web member steel bar wave crests in the laminated plate body, and the lifting additional steel bars are perpendicular to the web member steel bars.
According to the preferable technical scheme, the steel bar trusses extend along the width direction of the laminated plate body, and the steel bar stabilizing beams extend along the length direction of the laminated plate body.
Preferably, the upper part of the periphery of the laminated plate body is an inclined surface.
Because the prefabricated coincide floor in whole room of peripheral no muscle formula steel bar truss concrete that has adopted above-mentioned technical scheme, including the coincide plate body that is used for pouring the coincide layer, vertically and horizontally staggered's bottom plate reinforcing bar has been arranged to the coincide plate body, the periphery of coincide plate body does not have the muscle, the coincide plate body is arranged and is provided with a plurality of steel bar trusses, the coincide plate body still is provided with at least twice reinforcing bar firm roof beam, the reinforcing bar is firm roof beam perpendicular to the steel bar truss, the steel bar truss with the upper portion of reinforcing bar firm roof beam stretches out the upper surface of coincide plate body. The utility model discloses a steel bar truss and bottom plate reinforcing bar and concrete have guaranteed the fastness and the reliability of prefabricated coincide floor in whole for prefabricated coincide floor in whole accords with the needs of building the house completely, simple to operate, simultaneously the periphery of coincide plate body does not have the muscle, and the connection reinforcing bar that stretches out does not exist in the periphery of coincide plate body like this, and when board and the butt joint of board in the prefabricated floor installation in the house was pieced together in the time of just having avoided the construction like this, the trouble of secondary crack pouring and board support anchor muscle and roof beam top muscle cross interlude between board and the board, construction installation rate is fast, practiced thrift manual work and engineering cost.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic view of the present invention;
FIG. 2 is a schematic cross-sectional view taken at A-A in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken at B-B of FIG. 1;
fig. 4 is a schematic cross-sectional view of the steel bar truss of the present invention;
FIG. 5 is a schematic view of the arrangement of the additional hoisting steel bars and the web member steel bars of the present invention;
fig. 6 is a schematic layout view of the reinforcing steel bar stabilizing beam and the reinforcing steel bar truss of the present invention;
fig. 7 is a schematic layout view of the reinforcing steel bar stabilizing beam of the present invention;
FIG. 8 is a schematic view of the present invention in combination with a mid-support for placing the laminated layer;
fig. 9 is a schematic view of the utility model of pouring the overlapping layer when connecting with the side support.
In the figure: 1-laminating the plate body; 11-bottom plate reinforcing steel bars; 12-hoisting additional steel bars; 2-steel bar truss; 21-web member reinforcing steel bars; 22-upper chord steel bar; 23-lower chord steel bars; 3-reinforcing steel bars stabilize the beam; 31-V-shaped steel bars; 32-connecting a top rib; 33-connecting bottom ribs; 4-a lamination layer; 41-stacking layer steel bars; 5-lapping reinforcing steel bars; 6-middle support; 61-edge support.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, fig. 2, fig. 3, fig. 6 and fig. 7, prefabricated composite floor slab is put in the whole room to peripheral no play muscle formula steel bar truss concrete, including the composite plate body 1 that is used for pouring the superimposed layer, vertically and horizontally staggered's bottom plate reinforcing bar 11 is arranged in the composite plate body 1, the peripheral no play muscle of composite plate body 1, it is provided with a plurality of steel bar trusses 2 to arrange on the composite plate body 1, still be provided with two at least reinforcing bar stabilizing beams 3 on the composite plate body 1, reinforcing bar stabilizing beam 3 is perpendicular to steel bar trusses 2, steel bar trusses 2 with the upper portion of reinforcing bar stabilizing beam 3 stretches out the upper surface of composite plate body 1. Normal construction, bottom plate reinforcing bar 11, 2 bottoms of steel bar truss, 3 bottoms of steel bar stabilizing beam pour integrative constitution superimposed sheet body 1 according to house dimensional requirement through the material concrete of pouring prefabricated superimposed floor between whole, superimposed sheet body 1 installs the back on the house, pass through concrete material with 2 upper portions of steel bar truss again, 3 upper portions of steel bar stabilizing beam, and arrange that 1 upside vertically and horizontally staggered's superimposed sheet reinforcing bar 41 pours integrative constitution superimposed layer 4 at superimposed sheet body, superimposed layer 4 and the firm one-tenth house floor of superimposed sheet body 1 like this, steel bar stabilizing beam 3, steel bar truss 2 and bottom plate reinforcing bar 11, the fastness and the reliability of whole house floor have been guaranteed to superimposed sheet reinforcing bar 41 and concrete, make the house floor accord with the needs of building the house completely. Meanwhile, the reinforcing steel bar stabilizing beam 3 can strengthen and stabilize the laminated plate body 1, and the phenomenon of cracking caused by large positive and negative bending moments in the processes of stripping, hoisting, transporting and installing the laminated plate body 1 is prevented. The side surfaces and the top surfaces of the laminated plate body 1 are respectively provided with rough surfaces, so that the laminated plate body 1 is ensured to be fully contacted with concrete when the middle support 6 and the side support 61 of the beam of the house are connected with the pouring laminated layer 4. The upper part of the periphery of the laminated plate body 1 is an inclined plane, so that concrete can flow and be fully filled when the laminated plate body is connected.
As shown in fig. 1, 6 and 7, the reinforcing steel bar stabilizing beam 3 includes a plurality of V-shaped reinforcing bars 31, each of the V-shaped reinforcing bars 31 is sequentially arranged and parallel to each other, a lower portion of each of the V-shaped reinforcing bars 31 is located in the laminated plate body 1, an upper portion of each of the V-shaped reinforcing bars 31 extends out of an upper surface of the laminated plate body 1, that is, a pointed top portion of each of the V-shaped reinforcing bars 31 extends out of the upper surface of the laminated plate body 1, a connecting top rib 32 is arranged at a top portion of the V-shaped reinforcing bar 31, a connecting bottom rib 33 is arranged at a bottom portion of the V-shaped reinforcing bar 31 in the laminated plate body 1, the connecting top rib 32 is perpendicular to the reinforcing steel bar truss 2, and the connecting top rib 32 is perpendicular to the connecting bottom rib 33; each the top of V-arrangement reinforcing bar 31 with it is in the same place through welded connection respectively to connect the top reinforcing bar, each two bottoms of V-arrangement reinforcing bar 31 respectively with the muscle 33 is in the same place through welded connection at the bottom of connecting, and the bottom of V-arrangement reinforcing bar 31 is prefabricated in superimposed sheet body 1 with muscle 33 at the bottom of connecting like this, and the muscle 33 link up superimposed sheet body 1 and do 11 partly of bottom plate reinforcing bar and bottom plate reinforcing bar 11 one-tenth integratively simultaneously at the bottom of connecting, pour when superimposed sheet 4 with the upper portion of V-arrangement reinforcing bar 31 and be superimposed sheet reinforcing bar 41 one-part in superimposed sheet 4 and with being connected top muscle 32 one-tenth integratively. Preferably, the diameter of the V-shaped steel bar 31 is 8mm, the diameter of the connecting top bar 32 is 12mm, the diameter of the connecting bottom bar 33 is 8mm, the height of the V-shaped steel bar 31 is 80mm, and other dimensions of the connecting top bar 32, the V-shaped steel bar 31 and the connecting top bar 32 can be selected according to the opening and the depth of the laminated plate body 1; the connecting top ribs 32 are welded at the bottoms of the V-shaped steel ribs 31 in a sleeved mode, the V-shaped steel ribs 31 located inside the laminated plate body 1 adopt a mode that one V-shaped steel rib 31 is arranged between two steel bar trusses 2, and bending resistance is enhanced.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the steel bar truss 2 includes an upper chord steel bar 22 and two lower chord steel bars 23, the upper chord steel bar 22 and the two lower chord steel bars 23 are parallel to each other, the two lower chord steel bars 23 are located in the laminated plate 1, the upper chord steel bar 22 is located on the upper side of the laminated plate 1, and web members 21 are welded between the upper chord steel bar 22 and the two lower chord steel bars 23 respectively; the section of the steel bar truss 2 is triangular, the web member steel bars 21 are wavy, and the connecting top ribs 32 can be welded with the upper chord steel bars 22, so that the steel bar truss 2 and the steel bar stabilizing beam 3 are firmly connected together. Be provided with the web member reinforcing bar 21 crest that is used for lifting by crane superimposed plate body 1 on the web member reinforcing bar 21, the 21 trough punishment of web member reinforcing bar that is located this web member reinforcing bar 21 crest both sides in superimposed plate body 1 do not is provided with lifts by crane additional reinforcing bar 12, lift by crane additional reinforcing bar 12 perpendicular to web member reinforcing bar 21 through the cooperation of lifting by crane additional reinforcing bar 12 and web member reinforcing bar 21 and bottom plate reinforcing bar 11, can strengthen superimposed plate body 1 and lift by crane the intensity of department position and lifting by crane the part. Preferably, the diameter of the web member steel bar 21 is 6mm, the diameter of the upper chord steel bar 22 is 10mm, the diameter of the lower chord steel bar 23 is 8mm, the height of the steel bar truss 2 is 90mm, the diameter of the hoisting additional steel bar 12 is 8mm, and other dimensions of the web member steel bar 21, the upper chord steel bar 22 and the lower chord steel bar 23 can be selected according to the opening and the depth of the laminated plate body 1.
As shown in fig. 1, 2 and 3, the steel bar trusses 2 extend along the width direction of the laminated plate body 1, the plurality of steel bar trusses 2 are arranged along the width direction of the laminated plate body 1, so that the strength and firmness of the laminated plate body 1 are ensured, two steel bar trusses 2 can be respectively arranged at positions, close to two end portions, of the laminated plate body 1, the distance between each two steel bar trusses 2 and the adjacent steel bar truss 2 is smaller than that between the adjacent steel bar trusses 2 in the laminated plate body 1, and the strength of the floor slab of the house after the laminated plate body 1 and the laminated layer 4 are poured is improved; the firm roof beam of reinforcing bar 3 is followed the length direction setting of coincide plate body 1 for protection coincide plate body 1, because of the utility model discloses the area of prefabricated coincide floor in whole is too big, can arouse coincide plate body 1 crack because of positive and negative moment of flexure is great when lifting by crane, and the firm roof beam of reinforcing bar 3 can play enhancement and firm effect to coincide plate body 1, prevents that coincide plate body 1 from arousing the crack phenomenon because of positive and negative moment of flexure is great along length direction in drawing a pattern, hoist and mount, transportation and installation. The optimized reinforcing steel bar stabilizing beam 3 can adopt two paths which are respectively and symmetrically arranged on the laminated plate body 1, so that the strength and the bending resistance of the laminated plate body 1 are effectively ensured.
As shown in fig. 1, 8 and 9, the thickness of the prefabricated composite floor slab in the whole room can be 60mm according to the size of the opening and the depth, the thickness of the laminated layer 4 cast in situ is 50-70mm, the protection thickness of the reinforcing steel bars positioned on the outermost side in the laminated plate body 1 is not less than 15mm, other sizes can be adopted according to the building requirements, when the prefabricated composite floor slab is connected with the middle support 6 of the room beam, the edges of the laminated plate bodies 1 in the whole two adjacent rooms are lapped on the middle support 6, the lapping steel bars 5 are arranged between the two laminated plate bodies 1, two ends of the lapping steel bars 5 are respectively placed on the laminated plate bodies 1, and then the laminated layer 4 is cast, so that the laminated layer 4 can be cast on one laminated floor slab in each room, and the laminated floor slabs in the adjacent rooms are connected into a; when the laminated plate body is connected with the side support 61 of the beam, the edge of the laminated plate body 1 in the whole room is lapped on the side support 61, the lap-joint reinforcing steel bars 5 with the outer ends extending to the side support 61 are arranged on the edge of the laminated plate body 1, and then the laminated layer 4 is poured to realize the connection of the laminated plate body 1 and the beam at the edge of the room. Wherein through the unsmooth rough surface of 1 week side surface of superimposed sheet body and top surface, the unsmooth degree of depth of unsmooth rough surface is not less than 4mm, has guaranteed superimposed layer 4 and superimposed sheet body 1's full connection, through the inclined plane of the peripheral upper portion of superimposed sheet body 1, has guaranteed that the concrete of pouring can fully fill the space between superimposed sheet body 1 and well support 6 or limit support 61.
The utility model discloses an adopt prefabricated coincide floor in whole, through plus overlap joint reinforcing bar 5 at its avris, through processing such as concreting can with reinforced concrete frame construction, reinforced concrete shear wall structure, shaped steel structure, the beam column wall of steel construction etc. is connected as an organic wholely, play whole antidetonation of bearing to whole building, and what prefabricated coincide floor in whole adopted is that the mill is prefabricated, process flow operation control is simple, high productivity, the quality is guaranteed, light in weight, rational in infrastructure, be convenient for transport, site hoisting, simple to operate, prefabricated coincide floor batch production size in whole is accurate, level and closely knit, floor installation construction in whole is convenient, do not need the formwork, do not need the secondary to handle construction joint between each board, the bottom surface does not need secondary to plaster and handles, the trouble of having avoided board support anchor bar and roof beam portion muscle alternately, construction installation speed is fast, the whole floor installation construction is convenient, do, Saving labor and engineering cost. The utility model discloses changed the conventional way of current room floor in processes such as production, construction, constructed with present prefabricated veneer butt joint and constitute room floor mode relatively, the installation rate improves and can reach about 30% to improve overall structure's shock resistance, reduced the pollution that the site operation brought.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (8)
1. Prefabricated coincide floor between peripheral no muscle formula steel bar truss concrete is whole, including the coincide plate body that is used for pouring the superimposed sheet, vertically and horizontally staggered's bottom plate reinforcing bar has been arranged to the superimposed sheet internal, the peripheral muscle that does not have of coincide plate body, its characterized in that: the steel bar reinforced composite plate is characterized in that a plurality of steel bar trusses are arranged on the composite plate body, at least two steel bar stabilizing beams are further arranged on the composite plate body and are perpendicular to the steel bar trusses, and the upper portions of the steel bar trusses and the upper portions of the steel bar stabilizing beams extend out of the upper surface of the composite plate body.
2. The prefabricated composite floor slab with the rib-free periphery and the reinforced truss concrete as claimed in claim 1, wherein: the peripheral side surface and the top surface of the laminated plate body are respectively provided with a rough surface.
3. The prefabricated composite floor slab with the rib-free periphery and the reinforced truss concrete as claimed in claim 1, wherein: the steel bar stabilizing beam comprises a plurality of V-shaped steel bars, the V-shaped steel bars are sequentially arranged and are parallel to each other, the lower parts of the V-shaped steel bars are positioned in the laminated slab body, the upper parts of the V-shaped steel bars extend out of the upper surface of the laminated slab body, connecting top ribs are arranged at the tops of the V-shaped steel bars, connecting bottom ribs are arranged at the bottoms of the V-shaped steel bars in the laminated slab body, the connecting top ribs are perpendicular to the steel bar truss, and the connecting top ribs are perpendicular to the connecting bottom ribs; the top of each V-shaped reinforcing steel bar is connected with the connecting top reinforcing steel bar through welding, and the two bottoms of each V-shaped reinforcing steel bar are connected with the connecting bottom reinforcing steel bar through welding.
4. The prefabricated composite floor slab with the rib-free periphery and the reinforced truss concrete as claimed in claim 1, wherein: the steel bar truss comprises an upper chord steel bar and two lower chord steel bars, the upper chord steel bar and the two lower chord steel bars are parallel to each other, the lower chord steel bars are located in the laminated slab body, the upper chord steel bar is located on the upper side of the laminated slab body, and web member steel bars are welded between the upper chord steel bar and the lower chord steel bars respectively.
5. The prefabricated composite floor slab with the rib-free periphery and the reinforced truss concrete as claimed in claim 4, wherein: the cross-section of the steel bar truss is triangular, and the web member steel bars are wavy.
6. The prefabricated composite floor slab with the rib-free periphery and the reinforced truss concrete as claimed in claim 5, wherein: be provided with the web member reinforcing bar crest that is used for lifting by crane the superimposed sheet body on the web member reinforcing bar, the internal web member reinforcing bar trough punishment that is located this web member reinforcing bar crest both sides of superimposed sheet do not is provided with lifts by crane the additional reinforcement, it is perpendicular to lift by crane the additional reinforcement the web member reinforcing bar.
7. The prefabricated composite floor slab with the rib-free periphery and the reinforced truss concrete as claimed in claim 1, wherein: the steel bar truss is arranged along the extension of the width direction of the laminated plate body, and the steel bar stabilizing beam is arranged along the extension of the length direction of the laminated plate body.
8. The prefabricated composite floor slab with the whole space and without the ribs and the reinforced truss concrete at the periphery as claimed in any one of claims 1 to 7, wherein: the upper part of the periphery of the laminated plate body is an inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021620628.9U CN213449074U (en) | 2020-08-06 | 2020-08-06 | Whole-space prefabricated composite floor slab of reinforced truss concrete with no rib at periphery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021620628.9U CN213449074U (en) | 2020-08-06 | 2020-08-06 | Whole-space prefabricated composite floor slab of reinforced truss concrete with no rib at periphery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213449074U true CN213449074U (en) | 2021-06-15 |
Family
ID=76309702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021620628.9U Active CN213449074U (en) | 2020-08-06 | 2020-08-06 | Whole-space prefabricated composite floor slab of reinforced truss concrete with no rib at periphery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213449074U (en) |
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2020
- 2020-08-06 CN CN202021620628.9U patent/CN213449074U/en active Active
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Effective date of registration: 20231130 Address after: Rooms 101 and 102, north of Government Street and east of Wei'an Road (Fang'an Street Office), Fangzi District, Weifang City, Shandong Province, 261200 Patentee after: Weifang Luwei New Materials Co.,Ltd. Address before: Room 1305, building a, Weifang Construction Engineering Trade Training Center, 465 Wenhua Road, Kuiwen District, Weifang City, Shandong Province, 261000 Patentee before: SHANDONG YUANMENG GREEN BUILDING TECHNOLOGY Co.,Ltd. |