CN218970388U - Light and thin composite floor slab and formed steel bar truss combined structure - Google Patents
Light and thin composite floor slab and formed steel bar truss combined structure Download PDFInfo
- Publication number
- CN218970388U CN218970388U CN202320211410.5U CN202320211410U CN218970388U CN 218970388 U CN218970388 U CN 218970388U CN 202320211410 U CN202320211410 U CN 202320211410U CN 218970388 U CN218970388 U CN 218970388U
- Authority
- CN
- China
- Prior art keywords
- steel bar
- ribs
- transverse
- web member
- bar truss
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model relates to the technical field of assembled buildings, and discloses a light and thin composite floor slab and formed steel bar truss combined structure which comprises web member ribs, bent feet of the web member ribs, upper chord ribs, lower chord ribs, longitudinal reinforcing ribs, transverse gluten, transverse bottom ribs, prefabricated bottom plates and glass fiber mesh cloth; the double-layer bidirectional stressed steel bar net of post-cast layer concrete is integrated on the surface of the prefabricated bottom plate, and is connected with the bidirectional reinforced steel bar net inside the prefabricated bottom plate through web member ribs of the steel bar truss to form an integrally formed steel bar truss combined structure.
Description
Technical Field
The utility model relates to the technical field of assembled buildings, in particular to a light and thin composite floor slab and formed steel bar truss combined structure.
Background
The assembled concrete structure uses more horizontal prefabricated components, namely a 60mm thick composite floor slab, and the common composite floor slab has several defects in the application process: 1. the prefabricated bottom plate is 60mm thick, the total plate thickness is 130mm in addition to 70mm cast-in-place, and the common plate thickness of the residential cast-in-place concrete structure is 100mm mostly, so that the thickness is increased, and the total weight of the structure is increased; 2. the prefabricated bottom plate is heavy, so that the difficulty is increased for transportation and the tower crane, and the load capacity of the tower crane is increased; 3. the plates are connected by a post-pouring belt, and a template is required to be installed below the post-pouring belt, so that a complete template-free technology cannot be realized; 4. the two-way gluten of the floor needs to be paved on site, and is limited by the clearance in the truss when a pipeline is penetrated, so that the pavement is difficult. Therefore, the utility model provides a light and thin composite floor slab and formed steel bar truss combined structure so as to solve the problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a light and thin composite floor slab and formed steel bar truss combined structure for solving the problems.
The technical scheme of the utility model is as follows: a light and thin composite floor slab and profiled steel bar truss composite structure comprising:
the web member rib is in a shape like a Chinese character 'ji', and the bottom of the web member rib is provided with a horizontal bent leg;
the steel bar truss is formed by surrounding and connecting an upper chord rib and a lower chord rib up and down by a web member rib, the upper chord rib is welded with the inner circle at the top of the web member rib, the lower chord rib is clamped and welded with the lower feet of the web member rib, the upper chord rib and the lower chord rib are connected with a plurality of longitudinal web member ribs to form the steel bar truss, and the bottom bent feet of the web member ribs extend out along the direction vertical to the truss;
the prefabricated bottom plate is a fine stone concrete layer and has a rectangular thin plate shape;
the two-way reinforcing steel bar net inside the prefabricated bottom plate consists of longitudinal reinforcing ribs and transverse reinforcing ribs, the longitudinal reinforcing ribs are arranged in parallel to the direction of the steel bar truss, the longitudinal reinforcing ribs are welded or bound with bottom bent feet of the web member ribs, and the transverse reinforcing ribs are replaced by the bottom bent feet of the web member ribs;
the transverse gluten and the transverse bottom gluten are arranged perpendicular to the direction of the steel bar truss, the transverse gluten is welded or bound with the upper chord of the steel bar truss, the transverse bottom gluten is welded or bound with the lower chord of the steel bar truss, and the transverse gluten and the transverse bottom gluten ensure the out-of-plane stability of the steel bar truss;
the glass fiber mesh cloth is characterized by being in a net structure and buried in the lower surface of the prefabricated bottom plate;
further, the plurality of groups of steel bar trusses are arranged in parallel, and an upper chord rib and a lower chord rib in the steel bar trusses and a plurality of transverse gluten bars and transverse bottom ribs form a double-layer bidirectional steel bar net of post-cast layer concrete;
further, the web member ribs connect the steel bar truss with the longitudinal reinforcing ribs inside the prefabricated bottom plate to form a longitudinal molding steel bar bending-resistant structure; the bent legs of the web member ribs of two groups of adjacent steel bar trusses are connected in a lap joint manner and form a transverse forming steel bar bending-resistant structure with transverse gluten and transverse bottom ribs;
further, the web member ribs and the reinforcing ribs are round steel, and the upper chord ribs, the lower chord ribs, the transverse gluten and the transverse bottom ribs are ribbed steel bars;
further, the standard widths of the prefabricated base plates are 600mm,900mm and 1200mm.
The utility model has the following beneficial effects:
the utility model provides a light and thin composite floor slab and formed steel bar truss combined structure, wherein the thickness of a prefabricated bottom plate is reduced, a double-layer bidirectional stressed steel bar net of a post-cast layer is arranged on a surface layer of the prefabricated bottom plate, which is equivalent to a protection layer of steel bars in a prefabricated floor slab, the total thickness of the prefabricated layer plus the thickness of the post-cast layer is equal to the total thickness of the original cast-in-situ floor slab, and the thickness is not increased.
The prefabricated bottom plate has reduced thickness and weight, and is more convenient to transport and hoist.
The prefabricated bottom plate is internally provided with a bidirectional reinforcing steel bar net and a glass fiber grid cloth, so that the strength and the crack resistance of the prefabricated bottom plate are enhanced.
The web member ribs are used for connecting the steel bar truss with the bidirectional reinforcing steel bar net inside the prefabricated bottom plate to form a longitudinal and transverse bidirectional forming steel bar bending-resistant structure, and the prefabricated bottom plate is prevented from being deformed easily in two directions.
The prefabricated bottom plate and the formed steel bar combined structure has good integral rigidity, and the space between the prefabricated bottom plate and the formed steel bar combined structure matched with the temporary support during construction is larger, so that the support is less; the standard plates are spliced in a tight joint manner, so that the template-free technology is realized, the flatness of the bottom is good, plastering is avoided, a large amount of labor is reduced, a large amount of construction waste is reduced, carbon emission is saved, and the environment is protected.
The prefabricated bottom plate is integrated with the double-layer bidirectional stressed reinforcing steel bar net of the upper post-pouring layer, and pipelines can be pre-buried in advance, so that field operation is reduced.
The prefabricated bottom plates are all standard in width, so that the production is facilitated, and the deep design is more convenient.
The forming steel bar truss is formed by surrounding and connecting an upper chord rib and a lower chord rib up and down by a web member rib, and compared with the triangular steel bar truss commonly used in the market, the forming steel bar truss is a combined structure by connecting the upper chord rib, the two lower chord ribs and the two wavy web member ribs, so that the steel content is reduced, and the forming steel bar truss is more economical and reasonable.
Drawings
Fig. 1 is a schematic view of a web bar according to a first embodiment of the present utility model;
fig. 2 is a schematic cross-sectional view of a web member rib, an upper chord rib and a lower chord rib forming a steel bar truss according to the first embodiment of the present utility model;
fig. 3 is a schematic top view of a web member rib, an upper chord rib and a lower chord rib forming a steel bar truss according to the first embodiment of the present utility model;
fig. 4 is a schematic cross-sectional view of a steel bar truss according to a first embodiment of the present utility model connected to two longitudinal reinforcing bars;
fig. 5 is a schematic top view of a steel bar truss according to a first embodiment of the present utility model connected to two longitudinal ribs;
fig. 6 is a schematic top view of a plurality of groups of steel bar trusses arranged in parallel and connected with a plurality of transverse gluten bars and transverse bottom gluten bars to form an integrally formed steel bar truss structure according to the first embodiment of the utility model;
fig. 7 is a schematic partial top view of a prefabricated base plate and profiled steel bar truss combined structure after casting fine stone concrete according to the first embodiment of the utility model;
FIG. 8 is a schematic cross-sectional view of a first embodiment of the present utility model;
FIG. 9 is a schematic cross-sectional view of a second embodiment of the present utility model;
fig. 10 is a schematic cross-sectional view of a third embodiment of the present utility model.
Reference numerals: 11. web member ribs; 12. bending feet of the web member ribs;
a chord rib is arranged; 22. a lower chord rib;
31. longitudinal reinforcing ribs;
41. transverse gluten; 42. a transverse bottom rib;
51. prefabricating a bottom plate; 52. glass fiber mesh cloth.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 to 8, the present embodiment provides a light and thin composite floor slab and profiled steel bar truss combined structure, which includes web members 11, bent feet 12 of the web members, upper chord ribs 21, lower chord ribs 22, longitudinal reinforcing ribs 31, transverse gluten 41, transverse bottom ribs 42, and prefabricated bottom plates 51; fiberglass mesh 52, wherein:
the web member ribs 11, wherein the web member ribs 11 are in a shape of a Chinese character 'ji', and the bottoms of the web member ribs are provided with horizontal bent feet 12;
the steel bar truss is formed by surrounding and connecting an upper chord rib 21 and a lower chord rib 22 up and down by a web member rib 11, wherein the upper chord rib 21 is welded with the inner circle of the top of the web member rib 11, the lower chord rib 22 is clamped and welded with the lower two feet of the web member rib 11, the upper chord rib 21 and the lower chord rib 22 are connected with a plurality of longitudinal web member ribs 11 to form the steel bar truss, and the bottom bent feet 12 of the web member ribs 11 extend along the direction vertical to the truss;
the prefabricated bottom plate 51 is a fine stone concrete layer, the shape characteristics of the prefabricated bottom plate 51 are cuboid thin plates, and the fine stone concrete is the prior art and is not discussed herein;
the two-way reinforcing steel bar net inside the prefabricated bottom plate 51 consists of longitudinal reinforcing ribs 31 and transverse reinforcing ribs, the longitudinal reinforcing ribs 31 are arranged parallel to the direction of the steel bar truss, the longitudinal reinforcing ribs 31 are welded or bound with bottom bent feet 12 of the web member ribs 11, and the transverse reinforcing ribs are replaced by the bottom bent feet 12 of the web member ribs 11;
the transverse gluten 41 and the transverse bottom gluten 42 are arranged perpendicular to the direction of the steel bar truss, the transverse gluten 41 is welded or bound with the upper chord gluten 21 of the steel bar truss, the transverse bottom gluten 42 is welded or bound with the lower chord gluten 22 of the steel bar truss, and the transverse gluten 41 and the transverse bottom gluten 42 ensure the stability outside the plane of the steel bar truss;
the glass fiber mesh cloth 52, the shape and characteristics of the glass fiber mesh cloth 52 are in a net structure, the glass fiber mesh cloth 52 is buried in the lower surface of the prefabricated bottom plate 51, and the glass fiber mesh cloth 52 is a mature technology and is not discussed herein;
further, the plurality of groups of steel bar trusses are arranged in parallel, and an upper chord rib 21 and a lower chord rib 22 in the steel bar trusses, a plurality of transverse gluten bars 41 and a plurality of transverse bottom ribs 42 form a double-layer bidirectional steel bar net of post-cast layer concrete;
further, the web member ribs 11 connect the steel bar truss with the longitudinal reinforcing ribs 31 inside the prefabricated bottom plate 51 to form a longitudinal molding steel bar bending-resistant structure; the bent legs 12 of the web member ribs 11 of two adjacent steel bar trusses are in lap joint connection with the transverse gluten 41 and the transverse bottom ribs 42 to form a transverse forming steel bar bending-resistant structure;
further, the thickness of the prefabricated bottom plate 51 is 10 mm-30 mm;
further, the web bars 11 and the reinforcing ribs 31 are round steel, and the upper chord rib 21, the lower chord rib 22, the transverse gluten 41 and the transverse bottom rib 42 are ribbed steel bars;
further, the standard widths of the prefabricated base plate 51 are 600mm,900mm and 1200mm.
Specifically, the bent web member ribs 11 are connected with an upper chord rib 21 and a lower chord rib 22 to form a steel bar truss structure; the lower parts of the bottom bent feet 12 at the two sides of the web member rib 11 of the steel bar truss are connected with the longitudinal reinforcing ribs 31 to form a steel bar truss structure; the multi-group mutually parallel formed steel bar truss structure is formed by connecting the bottom bent feet 12 of the adjacent steel bar truss web member ribs 11 in a lap joint manner, and then connecting the bottom bent feet with a plurality of transverse gluten 41 and transverse bottom ribs 42 to form an integral formed steel bar truss structure, and the integral formed steel bar truss structure is provided with a bidirectional formed steel bar truss bending-resistant structure; pouring thin fine stone concrete to form a prefabricated bottom plate, and forming to obtain a light and thin composite floor slab and formed steel bar truss combined structure; and transporting each member to a construction site, closely jointing, pouring post-pouring layer concrete, and forming to obtain the structural floor slab.
Example 2
Referring to fig. 9, the present embodiment provides a light and thin composite floor slab and profiled steel bar truss combined structure, and the difference between the second embodiment and the first embodiment is that the member in the second embodiment is not configured with a transverse bottom rib 42 when leaving the factory, and the transverse bottom rib 42 is left on the construction site and then placed.
Example 3
Referring to fig. 10, the present embodiment provides a light and thin composite floor slab and profiled steel bar truss combined structure, and the difference between the third embodiment and the first embodiment is that the transverse gluten 41 and the transverse bottom gluten 42 are not configured when the components in the second embodiment leave the factory, and the transverse gluten 41 and the transverse bottom gluten 42 are left on the construction site to be placed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (4)
1. The utility model provides a frivolous coincide floor and shaping steel bar truss integrated configuration which characterized in that includes:
the web member ribs (11), the web member ribs (11) are in a shape like a Chinese character 'ji', and the bottoms of the web member ribs are provided with horizontal bent feet (12);
the steel bar truss is formed by surrounding and connecting an upper chord rib (21) and a lower chord rib (22) up and down by a web member rib (11), wherein the upper chord rib (21) is welded with the inner circle at the top of the web member rib (11), the lower chord rib (22) is clamped and welded with the lower feet of the web member rib (11), the upper chord rib (21) and the lower chord rib (22) are connected with a plurality of longitudinal web member ribs (11) to form the steel bar truss, and the bottom bent feet (12) of the web member ribs (11) extend along the direction vertical to the truss;
the prefabricated bottom plate (51), the prefabricated bottom plate (51) is a fine stone concrete layer, and the shape and the characteristics of the prefabricated bottom plate are cuboid thin plates;
the two-way reinforcing steel bar net inside the prefabricated bottom plate (51) consists of longitudinal reinforcing ribs (31) and transverse reinforcing ribs, the longitudinal reinforcing ribs (31) are arranged in parallel to the direction of the steel bar truss, the longitudinal reinforcing ribs (31) are welded or bound with bottom bent feet (12) of the web member ribs (11), and the transverse reinforcing ribs are replaced by the bottom bent feet (12) of the web member ribs (11);
the transverse gluten (41) and the transverse bottom gluten (42) are arranged perpendicular to the direction of the steel bar truss, the transverse gluten (41) is welded or bound with the upper chord gluten (21) of the steel bar truss, the transverse bottom gluten (42) is welded or bound with the lower chord gluten (22) of the steel bar truss, and the transverse gluten (41) and the transverse bottom gluten (42) ensure the stability outside the plane of the steel bar truss;
and the glass fiber mesh cloth (52) is characterized in that the glass fiber mesh cloth (52) is of a net structure, and is buried in the lower surface of the prefabricated bottom plate (51).
2. The composite light and thin composite floor slab and profiled steel bar truss structure of claim 1 wherein: the steel bar trusses of the plurality of groups are arranged in parallel, the bent legs (12) of the web member ribs (11) of two adjacent steel bar trusses are connected in a lap joint mode, the connected bent legs (12) are transverse reinforcing ribs of the prefabricated bottom plate (51), and the transverse reinforcing ribs and the longitudinal reinforcing ribs (31) are connected with the steel bar trusses through the web member ribs (11) to form an integrally formed steel bar truss structure.
3. The composite light and thin composite floor slab and profiled steel bar truss structure of claim 1 wherein: the two-layer two-way stress steel bar nets of post-cast layer concrete are formed by upper chord tendons (21) and lower chord tendons (22) in the steel bar trusses and a plurality of transverse gluten bars (41) and transverse bottom tendons (42), are arranged on the surface layer of the prefabricated bottom plate (51), and are connected with the two-way reinforcing steel bar nets inside the prefabricated bottom plate (51) into a whole through web members (11) of the steel bar trusses, namely, the two-layer two-way stress steel bar nets of post-cast layer concrete are integrated on the surface of the prefabricated bottom plate (51).
4. The composite light and thin composite floor slab and profiled steel bar truss structure of claim 1 wherein: the standard width of the prefabricated base plate (51) is 600mm,900mm and 1200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320211410.5U CN218970388U (en) | 2023-02-14 | 2023-02-14 | Light and thin composite floor slab and formed steel bar truss combined structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320211410.5U CN218970388U (en) | 2023-02-14 | 2023-02-14 | Light and thin composite floor slab and formed steel bar truss combined structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218970388U true CN218970388U (en) | 2023-05-05 |
Family
ID=86147578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320211410.5U Active CN218970388U (en) | 2023-02-14 | 2023-02-14 | Light and thin composite floor slab and formed steel bar truss combined structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218970388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657829A (en) * | 2023-07-18 | 2023-08-29 | 浙江智造装配式建筑科技有限公司 | Double web member does not have bottom foot plane steel bar truss and contains its building carrier plate |
| CN116791819A (en) * | 2023-07-18 | 2023-09-22 | 浙江智造装配式建筑科技有限公司 | Double-web-member footing plane steel bar truss and floor support plate comprising same |
-
2023
- 2023-02-14 CN CN202320211410.5U patent/CN218970388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657829A (en) * | 2023-07-18 | 2023-08-29 | 浙江智造装配式建筑科技有限公司 | Double web member does not have bottom foot plane steel bar truss and contains its building carrier plate |
| CN116791819A (en) * | 2023-07-18 | 2023-09-22 | 浙江智造装配式建筑科技有限公司 | Double-web-member footing plane steel bar truss and floor support plate comprising same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218970388U (en) | Light and thin composite floor slab and formed steel bar truss combined structure | |
| CN202416650U (en) | Self-supporting ribbed reinforced steel bar truss concrete composite slab | |
| CN111411687A (en) | Novel assembly system | |
| CN108301545A (en) | A kind of big module overlapping contignation of the assembled with space truss temporary support | |
| CN111851825A (en) | Fabricated form-removal-free prefabricated steel bar truss floor and construction method thereof | |
| CN113653235A (en) | Laminated slab, connecting structure of laminated slab and combination beam and construction method | |
| CN114541632A (en) | Construction method for using laminated slab for prefabricated building roof layer floor slab | |
| CN111794423A (en) | Steel-concrete combined beam structure, building and construction method | |
| CN213539440U (en) | Assembled coincide floor | |
| CN112282164B (en) | Light composite floor slab structure and construction method thereof | |
| CN212802185U (en) | Prefabricated steel bar truss floor of assembled form removal-free | |
| CN210032405U (en) | Light prefabricated stair tread | |
| CN212506971U (en) | Laminated slab for building | |
| CN218970389U (en) | Light composite floor slab and formed steel bar truss combined structure | |
| CN114753482A (en) | Assembled rectangular pool | |
| CN112064850A (en) | Truss floor plate | |
| KR20220077373A (en) | Deck plate for pouring the bridge floor | |
| CN111021615A (en) | Novel laminated plate and manufacturing method thereof | |
| CN221118905U (en) | Truss composite floor slab | |
| CN215716414U (en) | One-way close rib composite floor | |
| CN220620635U (en) | Two-way close rib steel bar truss concrete hollow superstructure composite board | |
| CN220814478U (en) | Prefabricated profiled steel sheet composite floor applicable to interlayer | |
| CN212336468U (en) | Precast concrete superimposed sheet | |
| CN221118904U (en) | Truss superimposed sheet | |
| CN218881308U (en) | Self-bearing prestressed net rib plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |