CN110644663B - Assembled coincide floor - Google Patents
Assembled coincide floor Download PDFInfo
- Publication number
- CN110644663B CN110644663B CN201910993816.1A CN201910993816A CN110644663B CN 110644663 B CN110644663 B CN 110644663B CN 201910993816 A CN201910993816 A CN 201910993816A CN 110644663 B CN110644663 B CN 110644663B
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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
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
- E04C5/064—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts the reinforcing elements in each plane being formed by, or forming a, mat of longitunal and transverse bars
Abstract
The invention belongs to the technical field of floor slabs, and particularly relates to an assembled composite floor slab which comprises a composite slab prefabricated bottom plate, a concrete composite layer, vertical positioning steel bars, a first steel bar mesh, first longitudinal steel bars, first transverse steel bars, a second steel bar mesh, second longitudinal steel bars, second transverse steel bars, back positioning holes, side wall positioning holes, transverse angle-folding supporting steel bars, longitudinal angle-folding supporting steel bars, transverse bars, screws, nuts, supporting bars and through holes. According to the invention, the first reinforcing mesh, the second reinforcing mesh and the plurality of cross-shaped support bevel connection structures are arranged between the prefabricated bottom plate and the concrete laminated layer of the laminated slab, so that the structure can be effectively reinforced, and the integral rigidity is improved; when the assembly type composite floor slab is used and constructed, the positioning of connection between different floor slabs can be effectively carried out through the matching effect of the first reinforcing mesh, the second reinforcing mesh, the vertical positioning reinforcing steel bars, the back positioning holes and the side wall positioning holes.
Description
Technical Field
The invention belongs to the technical field of floor slabs, and particularly relates to an assembled composite floor slab.
Background
The laminated floor slab is an assembled integral floor slab formed by laminating prefabricated slabs and cast-in-place reinforced concrete layers. The composite floor slab has good integrity, the upper and lower surfaces of the slab are smooth, the decoration of a finish coat is convenient, and the composite floor slab is suitable for high-rise buildings and large-bay buildings with higher requirement on the integral rigidity.
When the prefabricated composite floor slab is used for building a prefabricated house in a construction site, when the prefabricated composite floor slab is used in the northwest region with large day and night temperature difference, the interior of the composite floor slab is broken, the supporting and reinforcing effect is possibly poor, and the supporting is inconvenient for sharing the weight; inside all setting up the reinforcing bar net of general prefabricated plate and cast-in-place reinforced concrete layer and consolidating, connection bearing structure between the reinforcing bar net is when installing, generally lacks bearing structure, for the reinforcing bar net provides the support, is not convenient for install the operation. Therefore, a fabricated composite floor slab is provided to solve the above problems.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a fabricated composite floor slab.
The invention realizes the purpose through the following technical scheme, and the fabricated composite floor slab comprises a composite slab prefabricated bottom plate and a concrete superposed layer arranged at the top of the composite slab prefabricated bottom plate, wherein a second reinforcing mesh and a first reinforcing mesh are respectively arranged inside the composite slab prefabricated bottom plate and the concrete superposed layer, a plurality of cross-shaped support bevel connecting structures are welded between the first reinforcing mesh and the second reinforcing mesh, a lifting welding support frame is welded at the top of the second reinforcing mesh, and the top of the lifting welding support frame is welded with the first reinforcing mesh;
the back of superimposed sheet prefabricated bottom plate and the back on concrete superimposed layer are opened there is the back locating hole, a lateral wall of superimposed sheet prefabricated bottom plate and a lateral wall on concrete superimposed layer are opened there is the lateral wall locating hole, top one side on concrete superimposed layer is provided with vertical positioning steel bar.
Preferably, rigid coupling between prefabricated bottom plate top of superimposed sheet and the concrete coincide layer bottom, and the thickness of concrete coincide layer is greater than the prefabricated bottom plate thickness of superimposed sheet.
Preferably, the first reinforcing mesh is formed by fixedly connecting a plurality of first longitudinal reinforcing bars and a plurality of first transverse reinforcing bars, and one end of each first longitudinal reinforcing bar and one end of each first transverse reinforcing bar penetrate through the front face and the side wall of the concrete laminated layer respectively.
Preferably, the second reinforcing bar net is formed by the rigid coupling of the vertical reinforcing bar of a plurality of second and the horizontal reinforcing bar of a plurality of second, the front and the lateral wall of the prefabricated bottom plate of superimposed sheet are run through respectively to the one end of the vertical reinforcing bar of second and the one end of the horizontal reinforcing bar of second, the welding has the fixed block on the horizontal reinforcing bar of second.
Preferably, the cross-shaped supporting bevel connecting structure is arranged at the intersection of the second longitudinal steel bar and the second transverse steel bar, the cross-shaped supporting bevel connecting structure is composed of a transverse bevel supporting steel bar and a longitudinal bevel supporting steel bar, two ends of the transverse bevel supporting steel bar are welded with the second transverse steel bar, two ends of the longitudinal bevel supporting steel bar are welded with the second longitudinal steel bar, and the inner side of the top of the transverse bevel supporting steel bar and the outer side of the top of the longitudinal bevel supporting steel bar are respectively welded with the surface of the first longitudinal steel bar; the connecting rods are installed on the transverse angle-folding supporting steel bars and connected through the elastic pieces, and the fixing blocks are clamped at the bottoms of the connecting rods.
Preferably, the vertical positioning steel bars are perpendicular to the top of the concrete laminated layer, and the vertical positioning steel bars are fixedly connected with the first reinforcing mesh and the second reinforcing mesh.
Preferably, the number of the lifting welding support frames is two, and the two lifting welding support frames are arranged on the surface of the second reinforcing mesh in parallel.
Preferably, lift welding support frame comprises horizontal bar, screw rod, nut and support bar, screw rod bottom and horizontal bar welding, horizontal bar both ends and the welding of the vertical reinforcing bar of second, nut and screw rod surface threaded connection, the support bar is placed at the nut top, support bar and first vertical reinforcing bar and nut welding, open on the support bar surface has the through-hole, and the through-hole cup joints with the screw rod.
Preferably, the number of the vertical positioning steel bars is six, and the six vertical positioning steel bars are equally divided into three groups.
Preferably, the transverse angle-folding supporting steel bars and the longitudinal angle-folding supporting steel bars are vertically arranged, and the transverse angle-folding supporting steel bars and the longitudinal angle-folding supporting steel bars are both V-shaped structures.
The invention has the beneficial effects that:
(1) compared with the traditional floor slab, the assembled composite floor slab has the advantages that the first reinforcing mesh, the second reinforcing mesh and the plurality of cross-shaped support bevel connection structures are arranged between the prefabricated bottom plate of the composite slab and the concrete composite layer, so that the structure can be effectively reinforced, the integral rigidity is improved, and the bearing strength is improved; when the assembled composite floor slab is used and constructed, the first reinforcing mesh, the second reinforcing mesh, the vertical positioning reinforcing steel bars, the back positioning holes and the side wall positioning holes are matched, so that the connection between different floor slabs can be effectively positioned, the positioning in the vertical direction between the two floor slabs is met, and convenience is provided for mutual installation;
(2) when the cross-shaped supporting bevel connection structure and the first reinforcing mesh are installed, the first reinforcing mesh can be supported and placed through the lifting welding support frame, welding operation is convenient and fast, and the nut can be moved by screwing the nut on the screw rod, so that lifting of the first reinforcing mesh is realized, and operation is convenient and fast; after the first reinforcing mesh and the second reinforcing mesh are connected, the lifting welding support frame of the assembled composite floor slab is connected with the first reinforcing mesh through welding, so that further reinforcing support is provided for the first reinforcing mesh, and the rigidity of the whole structure is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the first longitudinal rebar grid and the second rebar grid of the present invention;
fig. 3 is a schematic view of the second steel mesh reinforcement and the horizontal bar structure of the present invention;
FIG. 4 is a schematic view of the screw and the support bar of the present invention;
FIG. 5 is a schematic view of the structure of the transverse knuckle support rebar and the longitudinal knuckle support rebar of the present invention;
FIG. 6 is a schematic view of a backside positioning hole structure according to the present invention;
FIG. 7 is a schematic view of a sidewall positioning hole structure according to the present invention.
In the figure: 1. prefabricated bottom plate of superimposed sheet, 2, the concrete superimposed sheet, 3, vertical positioning steel bar, 4, first reinforcing bar net, 401, first longitudinal reinforcement, 402, first horizontal reinforcing bar, 5, second reinforcing bar net, 501, second longitudinal reinforcement, 502, second horizontal reinforcing bar, 5021, the fixed block, 6, back locating hole, 7, the lateral wall locating hole, 8, horizontal dog-ear supporting bar, 81, the connecting rod, 82, the elastic component, 9, vertical dog-ear supporting bar, 10, the horizontal bar, 11, the screw rod, 12, the nut, 13, the support bar, 14, the through-hole.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1 to 7, an assembled composite floor slab includes a composite slab prefabricated base plate 1 and a concrete laminated layer 2 disposed on the top of the composite slab prefabricated base plate 1, the concrete laminated layer 2 is formed by casting concrete, a second steel bar mesh 5 and a first steel bar mesh 4 are respectively disposed inside the composite slab prefabricated base plate 1 and the concrete laminated layer 2, a plurality of cross-shaped support dog-ear connection structures are welded between the first steel bar mesh 4 and the second steel bar mesh 5 for connecting and supporting the two, a lifting welding support frame is welded on the top of the second steel bar mesh 5, and the top of the lifting welding support frame is welded with the first steel bar mesh 4;
open at the back of superimposed sheet prefabricated bottom plate 1 and the back of concrete superimposed layer 2 has back locating hole 6, open a lateral wall of superimposed sheet prefabricated bottom plate 1 and a lateral wall of concrete superimposed layer 2 has lateral wall locating hole 7, top one side of concrete superimposed layer 2 is provided with vertical positioning steel bar 3, and vertical positioning steel bar 3 is used for wall angle department, and the location of floor installation is in the vertical state between two floors, is not in wall angle department, course of working, and vertical positioning steel bar 3 need not to install.
The top of the laminated slab prefabricated bottom plate 1 is fixedly connected with the bottom of the concrete laminated layer 2, the thickness of the concrete laminated layer 2 is larger than that of the laminated slab prefabricated bottom plate 1, and the laminated slab prefabricated bottom plate 1 and the concrete laminated layer are stacked together and used for contacting with the outside; the first reinforcing mesh 4 is formed by fixedly connecting a plurality of first longitudinal reinforcements 401 and a plurality of first transverse reinforcements 402, one end of each first longitudinal reinforcement 401 and one end of each first transverse reinforcement 402 penetrate through the front surface and the side wall of the concrete laminated layer 2 respectively, and the first reinforcing mesh 4 is used for reinforcing the interior of the concrete laminated layer 2; the second reinforcing mesh 5 is formed by fixedly connecting a plurality of second longitudinal reinforcements 501 and a plurality of second transverse reinforcements 502, one end of each second longitudinal reinforcement 501 and one end of each second transverse reinforcement 502 penetrate through the front surface and the side wall of the laminated slab prefabricated base plate 1 respectively, and the second reinforcing mesh 5 is used for reinforcing the laminated slab prefabricated base plate 1; a fixing block 5021 is welded on the second transverse steel bar 502. The cross-shaped supporting bevel connecting structure is arranged at the intersection of a second longitudinal steel bar 501 and a second transverse steel bar 502, the cross-shaped supporting bevel connecting structure is composed of a transverse bevel supporting steel bar 8 and a longitudinal bevel supporting steel bar 9, the two ends of the transverse bevel supporting steel bar 8 are welded with the second transverse steel bar 502, the two ends of the longitudinal bevel supporting steel bar 9 are welded with the second longitudinal steel bar 501, the inner side of the top of the transverse bevel supporting steel bar 8 and the outer side of the top of the longitudinal bevel supporting steel bar 9 are respectively welded with the surface of a first longitudinal steel bar 401, the transverse bevel supporting steel bar 8 and the longitudinal bevel supporting steel bar 9 are respectively connected with the second transverse steel bar 502 and the second longitudinal steel bar 501, a connecting rod 81 is arranged on the transverse bevel supporting steel bar 8, the connecting rod 81 is connected through an elastic piece 82, and a fixing block 5021 is clamped at the bottom of the connecting rod 81, safety accidents caused by internal fracture are prevented through the connecting rod 81, the fixing block 5021 is limited through the connecting rod 81, and support is carried out, so that the bearing capacity is well shared on the second reinforcing mesh 5; the vertical positioning steel bars 3 are vertically arranged on the top of the concrete laminated layer 2, the vertical positioning steel bars 3 are fixedly connected with the first steel bar mesh 4 and the second steel bar mesh 5, the vertical positioning steel bars 3 are used for positioning wall corners and floor slabs, and the two floor slabs are in a vertical state; the number of the lifting welding support frames is two, the two lifting welding support frames are arranged on the surface of the second reinforcing mesh 5 in parallel, and the lifting welding support frames are used for supporting the first reinforcing mesh 4 during installation and are convenient for fixed installation; the lifting welding support frame is composed of a transverse bar 10, a screw rod 11, a nut 12 and a support strip 13, the bottom end of the screw rod 11 is welded with the transverse bar 10, two ends of the transverse bar 10 are welded with second longitudinal steel bars 501, the nut 12 is in threaded connection with the surface of the screw rod 11, the support strip 13 is placed at the top of the nut 12, the support strip 13 is welded with first longitudinal steel bars 401 and the nut 12, a through hole 14 is formed in the surface of the support strip 13, the through hole 14 is in sleeve joint with the screw rod 11, and the lifting welding support frame is screwed on the screw rod 11 through the nut 12 and can be adjusted in position; the number of the vertical positioning steel bars 3 is six, the six vertical positioning steel bars 3 are divided into three groups, and the vertical positioning steel bars 3 are used for being matched with the side wall positioning holes 7 to realize positioning; the transverse angle support reinforcing steel bars 8 and the longitudinal angle support reinforcing steel bars 9 are vertically arranged, and the transverse angle support reinforcing steel bars 8 and the longitudinal angle support reinforcing steel bars 9 are of V-shaped structures and have better supporting and reinforcing effects.
When the invention is used, when a laminated slab prefabricated base plate 1 is poured, a second steel bar mesh 5 is laid on the top of the laminated slab prefabricated base plate 1, longitudinal folded angle supporting steel bars 9 are welded at the intersection of second longitudinal steel bars 501 and second transverse steel bars 502, then a lifting welding support frame is installed, transverse bars 10 are installed on the second longitudinal steel bars 501, nuts 12 are rotated on screw rods 11 by screwing nuts 12 to adjust the position, then a support bar 13 is covered on the nuts 12, a first steel bar mesh 4 is placed on the support bar 13 to provide support, the first longitudinal steel bars 401 are connected with the longitudinal folded angle supporting steel bars 9 by welding, then the transverse folded angle supporting steel bars 8 are installed, the transverse folded angle supporting steel bars 8 are welded with the second transverse steel bars 502, the transverse folded angle supporting steel bars 8 are welded with the first longitudinal steel bars 401 to realize the supporting and fixing of the first steel bar mesh 4, then, welding the nut 12 and the supporting strip 13 and welding the nut 12 and the screw rod 11; then pouring cement on the top of the laminated slab prefabricated bottom plate 1 to form a concrete laminated layer 2;
when the processing of wall angle department floor needs to be carried out, can carry out the installation of vertical positioning steel bar 3, vertical positioning steel bar 3 welds with first reinforcing bar net 4 and second reinforcing bar net 5, during the use, vertical positioning steel bar 3 can cooperate with lateral wall locating hole 7 and fix a position, when assembling between the floor of coplanar, the back locating hole 6 of a floor cooperates with first longitudinal reinforcement 401 and the second longitudinal reinforcement 501 of another floor, realize the location, the lateral wall locating hole 7 of a floor cooperates with first horizontal reinforcement 402 and the second horizontal reinforcement 502 of another floor, realize the location, it is convenient to provide for installation between.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides an assembled coincide floor which characterized in that: the composite slab comprises a composite slab prefabricated bottom plate (1) and a concrete superposed layer (2) arranged at the top of the composite slab prefabricated bottom plate (1), wherein a second reinforcing mesh (5) and a first reinforcing mesh (4) are respectively arranged inside the composite slab prefabricated bottom plate (1) and the concrete superposed layer (2), a plurality of cross-shaped supporting bevel connecting structures are welded between the first reinforcing mesh (4) and the second reinforcing mesh (5), a lifting welding support frame is welded at the top of the second reinforcing mesh (5), and the top of the lifting welding support frame is welded with the first reinforcing mesh (4); back positioning holes (6) are formed in the back surface of the laminated slab prefabricated bottom plate (1) and the back surface of the concrete laminated layer (2), side wall positioning holes (7) are formed in one side wall of the laminated slab prefabricated bottom plate (1) and one side wall of the concrete laminated layer (2), and vertical positioning steel bars (3) are arranged on one side of the top of the concrete laminated layer (2); the top of the laminated slab prefabricated bottom plate (1) is fixedly connected with the bottom of the concrete laminated layer (2), and the thickness of the concrete laminated layer (2) is larger than that of the laminated slab prefabricated bottom plate (1); the first reinforcing mesh (4) is formed by fixedly connecting a plurality of first longitudinal reinforcing steel bars (401) and a plurality of first transverse reinforcing steel bars (402), and one end of each first longitudinal reinforcing steel bar (401) and one end of each first transverse reinforcing steel bar (402) respectively penetrate through the front surface and the side wall of the concrete laminated layer (2); second reinforcing bar net (5) are formed by vertical reinforcing bar (501) of a plurality of second and the horizontal reinforcing bar (502) rigid coupling of a plurality of second, the front and the lateral wall of prefabricated bottom plate of superimposed sheet (1) are run through respectively to the one end of the vertical reinforcing bar of second (501) and the one end of the horizontal reinforcing bar of second (502), the welding has fixed block (5021) on the horizontal reinforcing bar of second (502).
2. An assembled composite floor slab as claimed in claim 1, wherein: the cross supports dog-ear connection structure and sets up the intersection in vertical reinforcing bar of second (501) and the horizontal reinforcing bar of second (502), the cross supports dog-ear connection structure and comprises horizontal dog-ear reinforcing bar (8) and vertical dog-ear reinforcing bar (9), horizontal dog-ear reinforcing bar (8) both ends and the horizontal reinforcing bar of second (502) welding, vertical dog-ear reinforcing bar (9) both ends and the welding of the vertical reinforcing bar of second (501), horizontal dog-ear reinforcing bar (8) top inboard and vertical dog-ear reinforcing bar (9) top outside respectively with the surface welding of first vertical reinforcing bar (401), install connecting rod (81) on horizontal dog-ear reinforcing bar (8), just connect through elastic component (82) between connecting rod (81), fixed block (5021) block is in the bottom of connecting rod (81).
3. An assembled composite floor slab as claimed in claim 1, wherein: the vertical positioning steel bars (3) are perpendicular to the top of the concrete laminated layer (2), and the vertical positioning steel bars (3) are fixedly connected with the first steel bar net (4) and the second steel bar net (5).
4. An assembled composite floor slab as claimed in claim 1, wherein: the number of the two lifting welding support frames is two, and the two lifting welding support frames are arranged on the surface of the second reinforcing mesh (5) in parallel.
5. An assembled composite floor slab as claimed in claim 1, wherein: lifting welding support frame comprises horizontal bar (10), screw rod (11), nut (12) and support bar (13), screw rod (11) bottom and horizontal bar (10) welding, horizontal bar (10) both ends and the welding of the vertical reinforcing bar of second (501), nut (12) and screw rod (11) surface threaded connection, support bar (13) are placed at nut (12) top, support bar (13) and first vertical reinforcing bar (401) and nut (12) welding, open on support bar (13) surface has through-hole (14), and through-hole (14) cup joint with screw rod (11).
6. An assembled composite floor slab as claimed in claim 1, wherein: the number of the vertical positioning reinforcing steel bars (3) is six, and the six vertical positioning reinforcing steel bars (3) are equally divided into three groups.
7. An assembled composite floor slab as claimed in claim 2, wherein: the transverse angle support steel bars (8) and the longitudinal angle support steel bars (9) are vertically arranged, and the transverse angle support steel bars (8) and the longitudinal angle support steel bars (9) are of V-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910993816.1A CN110644663B (en) | 2019-10-18 | 2019-10-18 | Assembled coincide floor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910993816.1A CN110644663B (en) | 2019-10-18 | 2019-10-18 | Assembled coincide floor |
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| CN110644663A CN110644663A (en) | 2020-01-03 |
| CN110644663B true CN110644663B (en) | 2021-05-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112681595B (en) * | 2020-12-22 | 2022-01-07 | 吉林建筑大学 | Laminated slab and floor heating integrated construction method |
| CN115162623B (en) * | 2022-08-22 | 2023-11-03 | 陕西建工集团股份有限公司 | Steel bar truss connecting piece |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6051019B2 (en) * | 2012-11-06 | 2016-12-21 | ▲勧▼ 渡辺 | Construction method of concrete members |
| CN107938893A (en) * | 2017-12-12 | 2018-04-20 | 重庆渝隆远大住宅工业有限公司 | Overlap wall body structure and preparation method thereof |
| CN208563711U (en) * | 2018-06-22 | 2019-03-01 | 广东启源建筑工程设计院有限公司 | A kind of support device and its superimposed sheet |
| CN208870274U (en) * | 2018-08-01 | 2019-05-17 | 四川省欧威新型建材有限公司 | Concrete prefabricated board and concrete folding plate |
| CN110258926A (en) * | 2018-08-21 | 2019-09-20 | 李藏柱 | A kind of monolithic reinforced rack and prefabricated board and its connection structure comprising the rack |
| CN209397803U (en) * | 2018-09-11 | 2019-09-17 | 北京智慧云建科技有限公司 | A kind of removable steel bar girder laminated floor slab of UHPC ultra-high performance concrete |
| CN209260922U (en) * | 2018-10-12 | 2019-08-16 | 宁波海达远大建筑工业有限公司 | Band girder rib laminated floor slab pre-tensioning system connecting joint structure |
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Effective date of registration: 20210427 Address after: 066004 1st floor, No.85 Longhai Road, economic and Technological Development Zone, Qinhuangdao City, Hebei Province Applicant after: Qinhuangdao Hexin Jiye Construction Technology Co.,Ltd. Address before: 230000 Building 1, zone a, gelixinyayuan, Mingzhu Road, Feixi County, Hefei City, Anhui Province Applicant before: Yang Ye |
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