CN220080450U - Micro-concrete ribbed 3-limb steel bar truss composite floor slab - Google Patents
Micro-concrete ribbed 3-limb steel bar truss composite floor slab Download PDFInfo
- Publication number
- CN220080450U CN220080450U CN202220742718.8U CN202220742718U CN220080450U CN 220080450 U CN220080450 U CN 220080450U CN 202220742718 U CN202220742718 U CN 202220742718U CN 220080450 U CN220080450 U CN 220080450U
- Authority
- CN
- China
- Prior art keywords
- reinforced
- truss
- steel bar
- layer
- bar
- 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 title claims abstract description 106
- 239000010959 steel Substances 0.000 title claims abstract description 106
- 239000004567 concrete Substances 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title abstract description 15
- 239000011374 ultra-high-performance concrete Substances 0.000 claims abstract description 27
- 238000011065 in-situ storage Methods 0.000 claims description 6
- 239000011178 precast concrete Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 24
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000003245 working effect Effects 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000009415 formwork Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Panels For Use In Building Construction (AREA)
Abstract
The utility model discloses a micro-concrete ribbed 3-limb steel bar truss composite floor slab, which adopts fewer ribbed steel bar trusses, longitudinal ribs are flexibly arranged, the consumption of steel bars is saved, the economy is good, temporary support is not needed during construction due to the existence of the ribbed steel bar trusses, a formwork is not needed on site, and the construction of steel bar projects in site hoisting and composite slabs is simple and accurate, the construction speed is high, and the construction period is shortened. The UHPC is used as the upper steel bar truss prefabricated rib and the bottom prefabricated layer, the thicker concrete prefabricated plate is replaced by the thinner prefabricated bottom plate by utilizing the ultra-high mechanical property, the exceeding working property and the ultra-high durability of the UHPC, the force transmission between the plates is facilitated, and the problem of plate seam cracking can be well solved. The steel bar truss is processed in a factory, can be produced in batch, and prefabricated plates are industrially manufactured in a prefabricated member factory, so that the construction quality is ensured. Is beneficial to saving manpower, saving energy and protecting environment, reducing construction cost and saving construction funds. Light dead weight, high transportation efficiency and low transportation cost.
Description
Technical Field
The utility model relates to the technical field of building boards, in particular to a micro-concrete ribbed 3-limb steel bar truss composite floor slab.
Background
The form and technical advancement of the floor slab as the main component of the building structure have great influence on the quality, the manufacturing cost and the construction period of engineering. At present, the floor slab mainly comprises a cast-in-situ reinforced concrete slab, a concrete precast slab, a profiled steel sheet-concrete composite floor slab, a laminated slab and the like. The cast-in-situ reinforced concrete floor slab has the advantage of good integrity, but needs to carry out a large number of complex site template projects, reinforced concrete projects and concrete projects, thereby bringing the defects of low construction speed, long construction period, high labor cost, difficult control of construction quality and the like, being difficult to realize industrial production, and being unfavorable for energy conservation and environmental protection. The concrete precast slab has the advantages of high construction speed, but the overall rigidity of the slab is poor, the earthquake damage is serious, the problems of seepage prevention, leakage resistance and the like exist, and the application of the precast slab is severely limited. The profiled steel sheet-concrete composite floor slab has high integral rigidity, does not need a formwork, but has high manufacturing cost, the profiled steel sheet needs fireproof treatment, the bottom surface is uneven, and the suspended ceiling treatment is often needed. The laminated slab integrates the advantages of cast-in-situ slab and precast slab, has the outstanding advantages when applied to the building cover structure, but the existing laminated slab has the following disadvantages: 1. the lamination surface between the prefabricated layer and the lamination layer is required to be strictly processed, and the overall performance after lamination is difficult to ensure; 2. the binding of the site steel bars is complicated, and the construction speed is slow; 3. the prefabricated bottom plate of the laminated slab is inconvenient to transport and hoist and is easy to damage; 4. the prestressed concrete composite floor slab is complex to manufacture, and the slab bottom is uneven due to the inverted arch. Therefore, aiming at the defects of the existing products, the ultra-high durability and ultra-high mechanical property of the UHPC material of the micro-concrete ribbed steel bar truss composite floor slab disclosed by the utility model have the advantages of good economy, convenience in construction, no need of temporary support, capability of shortening the construction period, good integral rigidity, difficulty in cracking, damage, small dead weight and the like in the transportation process, capability of effectively solving the defects of the rigidity of the floor slab, the defects of the traditional plates for construction, transportation and the like, and great significance in the field of building industry. Based on the above, the utility model designs a micro-concrete ribbed 3-limb steel bar truss composite floor slab to solve the problems.
Disclosure of Invention
The utility model aims to provide a micro-concrete ribbed 3-limb steel bar truss composite floor slab, which solves the problems of the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a reinforced truss composite floor slab with ribs and 3 limbs is composed of a reinforced truss net with ribs on its upper part and a prefabricated UHPC layer consisting of a prefabricated UHPC layer on its lower part, a prefabricated concrete slab layer consisting of 30mm thick micro concrete (ultra-high-performance concrete UHPC), a high-strength reinforcing net sheet with internal diameter of prefabricated bottom plate being 4mm, a reinforced truss consisting of lower chord reinforcing steel bar, upper chord reinforcing steel bar and web reinforcing steel bar for connecting said two reinforcing steel bars, the steel bar truss net mainly comprises a plurality of steel bar trusses, additional steel bars which are placed at the lower parts of the lower chord steel bars of the steel bar trusses and are perpendicular to the steel bar trusses, and longitudinal steel bars which are parallel to the lower chord steel bars of the steel bar trusses in the same plane, wherein the superimposed layer is a cast-in-situ concrete layer positioned on the prefabricated layer, the steel bar net is embedded in the superimposed layer, the steel bar net is connected with the upper chord steel bars of the steel bar trusses of the prefabricated layer, and the steel bar net comprises upper longitudinal steel bars which are parallel to the upper chord steel bars and are at the same section height and additional steel bars which are perpendicular to the upper chord steel bars, and is integrally cast with the upper chord steel bars and web member steel bars of the steel bar trusses of the prefabricated layer. The thickness of the UHPC prefabricated layer is only one half of that of a common concrete prefabricated layer, but the ultra-high mechanical property, the ultra-high working property and the ultra-high durability of the UHPC prefabricated layer are obviously improved in the aspects of construction cost, installation and transportation, structural stress, factory manufacturing, energy conservation, environmental protection and the like.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, fewer ribbed steel bar trusses are adopted, so that longitudinal bars are flexibly arranged, the consumption of steel bars is greatly saved, and the economy is good.
2. The ribbed steel bar truss is not required to be supported temporarily during construction, a formwork is not required on site, the site hoisting and the steel bar engineering in the superimposed sheet are simple and accurate, the construction speed is high, and the construction period is shortened.
3. The UHPC is used as the upper steel bar truss prefabricated rib and the bottom prefabricated layer, and the thinner prefabricated bottom plate is used for replacing the thicker concrete prefabricated plate by utilizing the ultra-high mechanical property, the exceeding working property and the ultra-high durability of the UHPC, so that the force transmission between the plates is facilitated, and the problem of plate seam cracking can be well solved.
4. The steel bar truss can be processed in factories, can be produced in batches, can be industrially manufactured in prefabricated member factories, and can ensure construction quality.
5. The utility model is beneficial to saving manpower, saving energy and protecting environment, reducing construction cost and saving construction funds.
6. The utility model has light dead weight, high transportation efficiency and low transportation cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a template diagram of the present utility model;
FIG. 2 is a top view of a stencil sheet;
FIG. 3 is a side view of a stencil sheet;
FIG. 4 is a view of a ribbed steel bar truss composite;
fig. 5 is a schematic view of a rebar truss;
fig. 6 is a schematic diagram of a composite truss.
In the drawings, the list of components represented by the various numbers is as follows:
1-precast concrete slab, 2-high-strength reinforcing steel meshes, 3-reinforcing steel trusses and 4-rib plates.
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.
The utility model provides a technical scheme that: a reinforced truss composite floor slab with 3 limbs of micro concrete, as shown in figures 1, 2, 3, 4, 5 and 6, comprises a reinforced truss net with precast UHPC slab ribs on the upper part and a precast UHPC slab layer formed by a UHPC precast layer on the lower part, wherein the precast UHPC slab layer consists of a 30mm thick micro concrete (ultra high performance concrete) precast concrete slab layer 1, a 4mm high-strength reinforced net sheet 2 with the inner diameter of the precast slab, a reinforced truss 3 and a 30 thick x100 wide rib plate 4 are combined, the reinforced truss 3 mainly consists of a lower chord reinforced bar, an upper chord reinforced bar and a web member reinforced bar for connecting the two, the steel bar truss net mainly comprises a plurality of steel bar trusses, additional steel bars which are placed at the lower parts of the lower chord steel bars of the steel bar trusses and are perpendicular to the steel bar trusses 3, and longitudinal steel bars which are parallel to the lower chord steel bars of the steel bar trusses in the same plane, wherein the superimposed layer is a cast-in-situ concrete layer positioned on the prefabricated layer, the steel bar net is embedded in the superimposed layer, the steel bar net is connected with the upper chord steel bars of the steel bar trusses of the prefabricated layer, the steel bar net comprises upper longitudinal steel bars which are parallel to the upper chord steel bars and are at the same section height, and additional steel bars which are perpendicular to the upper chord steel bars, and the steel bars are integrally cast with the upper chord steel bars and web member steel bars of the steel bar trusses 3 of the prefabricated layer. The UHPC thickness of the precast layer is only half of that of a common concrete precast layer, but the ultra-high mechanical property, the ultra-high working property and the ultra-high durability of the precast layer are obviously improved in the aspects of construction cost, installation and transportation, structural stress, factory manufacturing, energy conservation, environmental protection and the like.
The steel bar truss 3 mainly comprises lower chord steel bars, upper chord steel bars and web member steel bars for connecting the lower chord steel bars and the upper chord steel bars, the steel bar truss 3 rib plates 4 mainly comprise UHPC prefabricated laths with the thickness of 30 x100, the length is equal to that of the steel bar truss 3, the rib plates bond the upper chord steel bars of the steel bar truss 3, the moment of inertia of the steel bar truss 3 is increased, the mechanical property of the steel bar truss 3 is improved, the rib plate steel bar truss 3 system is formed by the steel bar truss 3 and the lower chord steel bar, the UHPC prefabricated layer 1 comprises 30 thick ultra-high performance concrete UHPC, the steel bar truss 3 and a plurality of additional steel bars which are placed below the lower chord steel bars of the steel bar trusses and are perpendicular to the steel bar trusses and longitudinal steel bars parallel to the lower chord steel bars of the steel bar trusses in the same plane are integrally cast into a UHPC prefabricated bottom plate layer, the superposed layer is a cast-in-place concrete layer on the UHPC prefabricated rib plates 4, the steel bars are embedded in the superposed layer, the steel bar nets are connected with the upper steel bars of the steel bar truss 3, and the upper longitudinal bars at the same section height are formed by additional steel bars perpendicular to the upper chord steel bars of the upper chord steel bars, and web steel bars of the prefabricated steel trusses are integrally cast with the web steel bars of the upper chord steel bars. The section of the steel bar truss 3 is triangular, and web member steel bars are wavy. And the top surface of the UHPC prefabricated layer is subjected to roughening treatment at the position without the steel bar truss, the roughening height is not less than 5mm, and the shearing connection requirement of the superposed surface can be ensured due to the beneficial effect of the steel bar truss 3.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (1)
1. The utility model provides a little concrete ribbed 3 limbs steel bar truss coincide floor which characterized in that: the reinforced truss comprises a reinforced truss net with a precast UHPC rib at the upper part and a precast UHPC slab layer formed by a UHPC precast concrete slab layer (1) with a thickness of 30mm and an ultra-high performance of concrete, wherein the inner diameter of the precast slab is 4mm, a high-strength reinforced net sheet (2), a reinforced truss (3) and a 30 thickness x100 wide rib plate (4) are combined, the reinforced truss (3) mainly comprises a lower chord reinforced bar, an upper chord reinforced bar and web member reinforced bars for connecting the lower chord reinforced bar, the reinforced truss net mainly comprises a plurality of reinforced trusses, additional reinforced bars which are placed at the lower part of the reinforced truss (3) and are perpendicular to the reinforced truss (3) and longitudinal reinforced bars parallel to the lower chord reinforced bar of the reinforced truss (3) in the same plane, a superposed layer is a cast-in-situ concrete layer positioned on the precast layer, the reinforced bar net is buried in the layer, and is connected with the upper chord reinforced bar of the reinforced truss (3) of the precast layer, and comprises the upper longitudinal bar parallel to the upper chord reinforced bar at the same section height and the upper chord reinforced bar perpendicular to the upper chord reinforced bar, and the web member reinforced bar is cast integrally with the upper chord reinforced bar layer and the thickness of the precast reinforced truss is only one half of the thickness of the precast reinforced truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220742718.8U CN220080450U (en) | 2022-03-26 | 2022-03-26 | Micro-concrete ribbed 3-limb steel bar truss composite floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220742718.8U CN220080450U (en) | 2022-03-26 | 2022-03-26 | Micro-concrete ribbed 3-limb steel bar truss composite floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220080450U true CN220080450U (en) | 2023-11-24 |
Family
ID=88830143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220742718.8U Active CN220080450U (en) | 2022-03-26 | 2022-03-26 | Micro-concrete ribbed 3-limb steel bar truss composite floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220080450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117489022A (en) * | 2023-12-18 | 2024-02-02 | 南通装配式建筑与智能结构研究院 | Light-weight beam plate integrated prefabricated unit plate and installation method |
-
2022
- 2022-03-26 CN CN202220742718.8U patent/CN220080450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117489022A (en) * | 2023-12-18 | 2024-02-02 | 南通装配式建筑与智能结构研究院 | Light-weight beam plate integrated prefabricated unit plate and installation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202559569U (en) | Assembled monolithic self-insulation hidden dense rib light superposed floor slab | |
| CN106703269A (en) | Prestressed concrete superimposed sheet with steel trusses and manufacturing method | |
| CN108301545B (en) | Assembled large-module superposed beam plate structure with three-dimensional truss temporary support | |
| CN209397803U (en) | A kind of removable steel bar girder laminated floor slab of UHPC ultra-high performance concrete | |
| CN211114235U (en) | Superimposed shear wall | |
| CN201915534U (en) | Load-bearing composite slab for steel structural residence | |
| CN110607867A (en) | Non-dismantling mold laminated slab | |
| CN220080450U (en) | Micro-concrete ribbed 3-limb steel bar truss composite floor slab | |
| CN110644662A (en) | Prefabricated flat slab composite slab based on stress and splitting method thereof | |
| CN208039577U (en) | Half prefabricated prestressed concrete floor slab of figure of eight steel bar girder | |
| CN106401052A (en) | Prefabricated prestressed hollow slab and preparing method thereof | |
| CN211548015U (en) | Prefabricated assembled steel-concrete composite beam | |
| CN219622069U (en) | Assembled light steel strip hollow steel bar truss concrete strip superposed two-way floor slab | |
| CN210238896U (en) | Concrete superimposed sheet construction is with stabilizing connection structure | |
| CN111749364A (en) | Assembly type composite wall based on C-shaped steel and construction method thereof | |
| CN209703803U (en) | A kind of two direction truss reinforced concrete laminated floor slab | |
| CN216920894U (en) | Prefabricated floor panel with removable stiffening member | |
| CN116005871A (en) | Assembled light steel reinforced concrete strip laminated unidirectional floor slab with hollow steel trusses and manufacturing method thereof | |
| CN212772980U (en) | Assembled composite wall based on C shaped steel | |
| CN213174397U (en) | Whole prefabricated coincide floor of UHPC concrete | |
| CN205591579U (en) | Adopt girder steel to consolidate aerated concrete roof boarding structure | |
| CN213868536U (en) | Underground double-sided superposed wallboard using profiled steel sheet framework | |
| CN115059230A (en) | Steel bar truss mechanism with light ECC prefabricated layer | |
| CN111101628B (en) | FRP sheet material connecting structure and method for precast concrete beam plate system | |
| CN112922207A (en) | Concrete one-way laminated slab with exposed slab net frame at bottom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |