CN113482211B - Prefabricated dense rib plate with shelving pick - Google Patents
Prefabricated dense rib plate with shelving pick Download PDFInfo
- Publication number
- CN113482211B CN113482211B CN202110964481.8A CN202110964481A CN113482211B CN 113482211 B CN113482211 B CN 113482211B CN 202110964481 A CN202110964481 A CN 202110964481A CN 113482211 B CN113482211 B CN 113482211B
- Authority
- CN
- China
- Prior art keywords
- rib
- longitudinal
- reinforced concrete
- concrete slab
- transverse
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 73
- 239000010959 steel Substances 0.000 claims abstract description 73
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 49
- 239000004567 concrete Substances 0.000 claims abstract description 47
- 238000010008 shearing Methods 0.000 claims abstract description 28
- 238000005452 bending Methods 0.000 claims description 9
- 230000003601 intercostal effect Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 6
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009415 formwork Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000284 resting 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
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
-
- 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
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model provides a take and shelve prefabricated close floor of pick, includes reinforced concrete slab, longitudinal rib, transverse rib and steel bar truss, the reinforced concrete slab comprises reinforcing bar net piece and concrete, the longitudinal rib comprises longitudinal rib concrete, curved longitudinal rib, shear resistant spare, curved longitudinal rib buries in longitudinal rib concrete lower part, shear resistant spare after buckling curved longitudinal rib tip welded connection, longitudinal rib interval arrange in the reinforced concrete slab downside, the transverse rib comprises transverse rib concrete, transverse rib reinforcing bar, the steel bar truss comprises last chord rib, web, at least one the steel bar truss transversely buries in the reinforced concrete slab is close to the tip position, the steel bar truss is perpendicular to the longitudinal rib, the transverse rib with the reinforced concrete slab is pour as an organic wholely. The prefabricated dense rib plate with the shelving pick has high hoisting efficiency and good end shearing resistance, and the combination of the longitudinal ribs and the transverse ribs which are intersected transversely and longitudinally can improve the intercostal deformation coordination performance and the overload capacity under the action of local load.
Description
Technical Field
The invention relates to a concrete prefabricated part, in particular to a prefabricated dense rib plate with a shelving pick.
Background
Floor in traditional building structure adopts the mode of formwork to pour the floor generally, and the formwork process is many, and the quality is difficult to control, if adopt assembled building, the board span is generally not more than 3 meters, otherwise need to establish the support, and floor economic nature is poor. In order to perform rapid construction without formwork support during floor construction, the inventor has disclosed that the prefabricated dense rib plates are adopted as the floor, and are suitable for large load and large span of building structures, but matched prefabricated superposed beams are required to be specially reserved with groove gaps matched with the rib section size and rib spacing directions of the prefabricated dense rib plates, so that the groove beams are high in manufacturing precision requirement, complex in construction and cannot be used for being combined with steel beam construction. The prefabricated rib plate with the laying ram has the advantages of small lifting difficulty, wide application range, large floor bearing capacity and good shearing resistance of the beam overlapping surface, and is not reported.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects of the prior art and providing the prefabricated dense rib plate with the shelving pick, which has the advantages of small lifting difficulty, wide application range, large floor bearing capacity and good integrity.
The invention provides a prefabricated dense rib plate with a shelving pick, which comprises a reinforced concrete flat plate, longitudinal ribs, transverse ribs and a reinforced truss, wherein the reinforced concrete flat plate consists of a reinforced net sheet and concrete, the reinforced net sheet is embedded in the concrete, the longitudinal ribs consist of longitudinal rib concrete, bent longitudinal ribs and shearing resistant pieces, the bent longitudinal ribs are embedded in the lower part of the longitudinal rib concrete, the bent longitudinal ribs are bent from bottom to top at the ends of the longitudinal rib concrete, the shearing resistant pieces are welded and connected at the bent longitudinal rib ends after bending, the shearing resistant pieces are embedded in the reinforced concrete flat plate to be exposed upwards for a certain height, the shearing resistant pieces are outwards extended for a certain distance to form the shelving pick, the longitudinal rib spacing is arranged on the lower side of the reinforced concrete slab, the end part of the longitudinal rib is inward away from the end part of the reinforced concrete slab by a certain length, the transverse rib consists of transverse rib concrete and transverse rib steel bars, the transverse rib steel bars are buried in the lower part of the transverse rib concrete, at least one transverse rib is transversely arranged on the lower part of the reinforced concrete slab, the transverse rib is perpendicular to the longitudinal rib, the reinforced truss consists of an upper chord steel bar and a web steel bar, at least one reinforced truss is transversely buried in the position, close to the end part, of the reinforced concrete slab, the reinforced truss is upwards exposed out of the reinforced concrete slab by a certain height, the reinforced truss is perpendicular to the longitudinal rib, and the longitudinal rib, the transverse rib and the reinforced concrete slab are poured into a whole.
The prefabricated dense rib plate with the shelving pick provided by the invention also has the following auxiliary technical characteristics:
the bending longitudinal ribs extend upwards from the upper surface of the reinforced concrete slab.
The sections of the longitudinal rib concrete and the transverse rib concrete are in a shape of small bottom and large top.
The steel bar truss further comprises a lower chord rib.
The vertical shear steel bars are arranged at two ends of the longitudinal rib, the upper parts of the shear steel bars are exposed out of the reinforced concrete slab to a certain height, and the shear steel bars are formed by bending steel bars in an S shape.
The upper planes on two sides of the reinforced concrete slab are provided with slopes which incline downwards
The end part of the reinforced concrete slab is provided with a transverse concrete upturning rib, and the concrete upturning rib is higher than the upper surface of the reinforced concrete slab by a certain height.
Hooks are buried at two ends in the longitudinal rib concrete, and the upper parts of the hooks are exposed out of the reinforced concrete slab at a certain height.
The shearing resistant member is steel plate, I-steel, Z-shaped steel or L-shaped steel.
The end parts of the longitudinal ribs are inclined end surfaces.
Compared with the prior art, the prefabricated dense rib plate with the shelving pick provided by the invention has the following advantages:
1. the prefabricated dense rib plates with the cantilever heads are good in shearing resistance, convenient to hoist and high in efficiency;
2. The placing cantilever head with the shearing resistant piece can be used for being combined with the I-shaped steel beam and the concrete beam, and has wide application range;
4. The transverse ribs are used for connecting the longitudinal ribs of the concrete in series, so that the inter-rib deformation coordination performance is improved, and the overload capacity under the action of local load is improved.
5. The number of precast beams can be reduced by adopting the large-span precast dense rib plates, the steel consumption of the plates is small, and the engineering cost is saved.
6. The post-pouring part of the prefabricated close rib plate and the precast beam are integrally poured, the structural integrity is good, the truss steel bar is used as a erection steel bar of the hogging moment steel bar of the cast-in-situ layer of the laminated slab, the shearing strength of the laminated surface of the slab is improved, the truss steel bar is also used as an upturning rib of the tandem longitudinal rib, and the longitudinal stress uniformity of the hoisting stage is ensured.
Drawings
FIG. 1 is a perspective view of a prefabricated rib plate according to the present invention.
Fig. 2 is a bottom view of the prefabricated rib plate of the present invention.
FIG. 3 is a cross-sectional view of a prefabricated rib according to the present invention.
FIG. 4 is a reinforcement view of a prefabricated dense rib plate according to the present invention.
Fig. 5 is a three-dimensional view of the steel bar truss of the present invention.
Fig. 6 is a detailed view of the shear resistant mesh reinforcement of the present invention.
Fig. 7 is a perspective view of a prefabricated rib plate with upturned ribs according to the invention.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1 to 7, in the embodiment of the prefabricated rib plate with a laying head provided by the invention, the prefabricated rib plate comprises a reinforced concrete flat plate 1, a longitudinal rib 2, a transverse rib 3 and a reinforced truss 4, wherein the reinforced concrete flat plate 1 consists of a reinforced net 11 and a concrete 12, the reinforced net 11 is embedded in the concrete 12, the longitudinal rib 2 consists of a longitudinal rib concrete 21, a bent longitudinal rib 22 and a shearing resistant piece 23, the bent longitudinal rib 22 is embedded in the lower part of the longitudinal rib concrete 21, the bent longitudinal rib 22 is bent from bottom to top at the end part of the longitudinal rib concrete 21, the shearing resistant piece 23 is welded and connected with the end part of the bent longitudinal rib 22 after bending, the shearing resistant piece 23 is embedded in the reinforced concrete flat plate 1 to be exposed upwards by a certain height, the shearing resistant piece 23 is outwards extended for a certain distance to form the laying head 24, the longitudinal ribs 2 are arranged at intervals on the lower side of the reinforced concrete slab 1, the end parts of the longitudinal ribs 2 are inward and are a certain length away from the end parts of the reinforced concrete slab 1, the transverse ribs 3 are formed by transverse rib concrete 31 and transverse rib steel bars 32, the transverse rib steel bars 32 are buried in the lower part of the transverse rib concrete 31, at least one transverse rib 3 is transversely arranged on the lower part of the reinforced concrete slab 1, the transverse rib 3 is perpendicular to the longitudinal ribs 2, the steel bar trusses 4 are formed by upper chord steel bars 41 and web steel bars 42, at least one steel bar truss 4 is transversely buried in the position, close to the end parts, of the reinforced concrete slab 1, the steel bar trusses 4 are exposed upwards to a certain height of the reinforced concrete slab 1, the steel bar trusses 4 are perpendicular to the longitudinal ribs 2, and the transverse ribs 3 and the reinforced concrete slab 1 are poured into a whole. The cantilever heads 24 are placed on the placing surface of the precast beam to finish installation, gaps are reserved in the precast Liang Moxu, construction difficulty is greatly reduced, the shearing resistant piece 23 is beneficial to improving shearing strength at the end, the steel bar truss 4 is free of lower chord ribs, effectiveness is directly transmitted by the steel bar net piece 11 buried in the steel bar concrete slab 1, steel consumption can be further reduced, the steel bar truss 4 is used as an erection steel bar of a cast-in-place layer hogging moment steel bar of the laminated slab, shearing strength of a laminated surface of the slab is improved, the upward rib is also used as an upward rib connected with longitudinal ribs in series, longitudinal stress uniformity in the hoisting stage is guaranteed, the longitudinal ribs 2 are beneficial to improving rigidity and strength of the slab, bearing capacity is effectively improved, the transverse ribs 3 can prevent cracking in the sheet drawing and hoisting processes in the construction stage, intercostal deformation coordination performance is improved in the use process, and overload capacity under the partial load is improved.
Referring to fig. 1-2 and 4, in an embodiment of a prefabricated rib plate with a laying ram according to the present invention, the bent-up longitudinal ribs 22 extend upward from the upper surface of the reinforced concrete slab 1, and the cross sections of the longitudinal rib concrete 21 and the transverse rib concrete 31 are in a shape of small lower part and large upper part. The bending longitudinal ribs 22 are communicated with the shearing resistant members 23 to penetrate into the concrete cast-in-situ layer, so that the integrity of the floor slab is improved, the shearing resistance of the superposed surface is improved, and the longitudinal rib concrete and the transverse rib concrete with small bottom and large top are favorable for demoulding.
Referring to fig. 5, in an embodiment of the present invention with a pre-fabricated rib with a resting tab, the steel truss 4 further includes a lower chord 43. The lower chord rib can improve the tensile property of the lower side of the steel bar truss.
Referring to fig. 4 and 6, in an embodiment of the prefabricated rib plate with a laying ram provided by the invention, vertical shear steel bars 25 are arranged at two ends of the longitudinal rib 2, the upper parts of the shear steel bars 25 are exposed out of the reinforced concrete slab to a certain height, and the shear steel bars 25 are formed by bending steel bars and are in an S shape. The vertical shear steel bar is favorable for increasing the shearing resistance of the end parts of the prefabricated dense rib plates, S-shaped steel bars are convenient to process, can be rapidly produced in batches, and are high in efficiency when the steel bars are bound.
Referring to fig. 3, in an embodiment of the present invention of a prefabricated rib with a laying head, the upper planes of the two sides of the reinforced concrete slab 1 are provided with slopes 13 inclined downward. Is beneficial to the placement of the net piece ribs at the joint.
Referring to fig. 7, in an embodiment of a prefabricated rib plate with a laying ram according to the present invention, a concrete upturning rib 14 is disposed at an end of the reinforced concrete slab 1, and the concrete upturning rib 14 is higher than the upper surface of the reinforced concrete slab 1 by a certain height. The upturning ribs 14 are equivalent to the truss steel bars 4, and improve transverse stress performance and prevent plate cracking during demolding and hoisting.
Referring to fig. 1, 4 and 7, in an embodiment of the prefabricated rib plate with a cantilever according to the present invention, hooks 5 are embedded at two ends in the longitudinal rib concrete 21, the upper parts of the hooks 5 are exposed out of the reinforced concrete slab 1 by a certain height, the shearing resistant member 23 is a steel plate, i-steel, Z-steel or L-steel, and the end of the longitudinal rib 2 is an inclined end surface 26. The lifting hook is used for demolding, and the shearing resistant member 23 is preferably purchased as a finished section steel, and can be processed and customized if the shearing strength and the installation requirement are not met.
In the present invention, all the "certain height, certain distance, certain length" means a length necessary for satisfying design requirements, that is, a length necessary for adapting to connection and strength requirements, which is clear to a person skilled in the art, and is set as required.
Claims (8)
1. The utility model provides a take and shelve prefabricated close floor of pick, includes reinforced concrete slab, longitudinal rib, transverse rib and steel bar truss, its characterized in that: the reinforced concrete slab consists of a reinforced net sheet and concrete, the reinforced net sheet is embedded in the concrete, the longitudinal ribs consist of longitudinal rib concrete, bent longitudinal ribs and shearing resistant pieces, the bent longitudinal ribs are embedded in the lower part of the longitudinal rib concrete, the bent longitudinal ribs are bent from bottom to top at the ends of the longitudinal rib concrete, the shearing resistant pieces are welded and connected at the ends of the bent longitudinal ribs after bending, the shearing resistant pieces are embedded in the reinforced concrete slab to be exposed upwards for a certain height, the shearing resistant pieces are extended outwards for a certain distance to form a placing pick, the longitudinal rib intervals are arranged at the lower side of the reinforced concrete slab, the longitudinal rib end is inward a certain length away from the reinforced concrete slab end, the transverse rib consists of transverse rib concrete and transverse rib steel bars, the transverse rib steel bars are embedded in the lower part of the transverse rib concrete, at least one transverse rib is transversely arranged on the lower part of the reinforced concrete slab, the transverse rib is perpendicular to the longitudinal rib, the steel bar truss consists of upper chord steel bars and web steel bars, at least one steel bar truss is transversely embedded in the position, close to the end, of the reinforced concrete slab, the steel bar truss is exposed upwards for a certain height, the steel bar truss is perpendicular to the longitudinal rib, and the longitudinal rib, the transverse rib and the reinforced concrete slab are cast into a whole; the two ends of the longitudinal rib are provided with vertical shear steel bars, the upper parts of the shear steel bars are exposed out of the reinforced concrete slab to a certain height, and the shear steel bars are formed by bending steel bars in an S shape; the end part of the reinforced concrete slab is provided with a transverse concrete upturning rib, and the concrete upturning rib is higher than the upper surface of the reinforced concrete slab by a certain height.
2. A prefabricated rib with a shelving pick as defined in claim 1, wherein: the bending longitudinal ribs extend upwards from the upper surface of the reinforced concrete slab.
3. A prefabricated rib with a shelving pick as defined in claim 1, wherein: the sections of the longitudinal rib concrete and the transverse rib concrete are in a shape of small bottom and large top.
4. A prefabricated rib with a shelving pick as defined in claim 1, wherein: the steel bar truss further comprises a lower chord rib.
5. A prefabricated rib with a shelving pick as defined in claim 1, wherein: the upper planes of the two sides of the reinforced concrete slab are provided with slopes which incline downwards.
6. A prefabricated rib with a shelving pick as defined in claim 1, wherein: hooks are buried at two ends in the longitudinal rib concrete, and the upper parts of the hooks are exposed out of the reinforced concrete slab at a certain height.
7. A prefabricated rib with a shelving pick as defined in claim 1, wherein: the shearing resistant member is steel plate, I-steel, Z-shaped steel or L-shaped steel.
8. A prefabricated rib with a shelving pick as defined in claim 1, wherein: the end parts of the longitudinal ribs are inclined end surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110964481.8A CN113482211B (en) | 2021-08-22 | 2021-08-22 | Prefabricated dense rib plate with shelving pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110964481.8A CN113482211B (en) | 2021-08-22 | 2021-08-22 | Prefabricated dense rib plate with shelving pick |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113482211A CN113482211A (en) | 2021-10-08 |
| CN113482211B true CN113482211B (en) | 2024-08-30 |
Family
ID=77947039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110964481.8A Active CN113482211B (en) | 2021-08-22 | 2021-08-22 | Prefabricated dense rib plate with shelving pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113482211B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215829741U (en) * | 2021-08-22 | 2022-02-15 | 宁波优造建筑科技有限公司 | Prefabricated dense rib plate with shelving cantilever head |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA029731B1 (en) * | 2012-05-08 | 2018-05-31 | Куншан Эколоджикал Билдинг Текнолоджи Ко., Лтд. | Method of casting in-situ steel wire mesh cement slab with spliced rack and suspended formwork |
| CN102852280B (en) * | 2012-08-16 | 2016-07-13 | 杨众 | The prestressing force precast beam of head shelved by a kind of band |
| CN214006192U (en) * | 2020-11-26 | 2021-08-20 | 宁波优造建筑科技有限公司 | One-way dense rib superimposed floor |
| CN112302226B (en) * | 2020-11-26 | 2024-08-30 | 宁波优造建筑科技有限公司 | Prefabricated dense rib plate |
-
2021
- 2021-08-22 CN CN202110964481.8A patent/CN113482211B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215829741U (en) * | 2021-08-22 | 2022-02-15 | 宁波优造建筑科技有限公司 | Prefabricated dense rib plate with shelving cantilever head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113482211A (en) | 2021-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110777996A (en) | Combined steel bar truss laminated slab | |
| CN110392758B (en) | Inverted T-shaped section mixed prestressed concrete beam and panel construction method using same | |
| CN215829741U (en) | Prefabricated dense rib plate with shelving cantilever head | |
| CN109914665A (en) | Connection structure of floor deck and fabricated concrete beam | |
| CN214006192U (en) | One-way dense rib superimposed floor | |
| CN113482211B (en) | Prefabricated dense rib plate with shelving pick | |
| CN112302226B (en) | Prefabricated dense rib plate | |
| CN215716414U (en) | One-way close rib composite floor | |
| CN214006187U (en) | Prefabricated dense rib plate | |
| CN216766433U (en) | Superposed hollow floor slab with formwork | |
| CN216239247U (en) | Laminated floor slab with hollow mold | |
| CN111576644B (en) | Hybrid frame structure system of rigid connection node | |
| CN213653758U (en) | A herringbone rigid column base structure | |
| CN101245642A (en) | A two-way laminated concrete slab with strip-shaped block bottom slab | |
| CN113482210B (en) | Unidirectional multi-ribbed combined floor system | |
| CN211473010U (en) | Combined steel bar truss laminated slab | |
| CN209817214U (en) | A connection structure between a floor deck and a prefabricated concrete beam | |
| CN115198966A (en) | Construction method of prestressed prefabricated laminated frame beam | |
| CN220184419U (en) | Reinforced prefabricated base plate or beam member | |
| CN215483937U (en) | Keel type prefabricated dense rib plate | |
| CN215978031U (en) | Ribbed reinforced concrete precast slab and laminated floor slab | |
| CN222275897U (en) | Novel floor precast concrete superimposed sheet | |
| CN114263303B (en) | Building cover construction method for assembled building and assembled planar building cover | |
| CN219196452U (en) | Assembled self-bearing prestress plate | |
| CN213390769U (en) | Assembled truss plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |