CN214423746U - Assembled prestressing force FRP muscle recycled concrete roof beam - Google Patents
Assembled prestressing force FRP muscle recycled concrete roof beam Download PDFInfo
- Publication number
- CN214423746U CN214423746U CN202120246227.XU CN202120246227U CN214423746U CN 214423746 U CN214423746 U CN 214423746U CN 202120246227 U CN202120246227 U CN 202120246227U CN 214423746 U CN214423746 U CN 214423746U
- Authority
- CN
- China
- Prior art keywords
- recycled concrete
- connecting piece
- concrete beam
- rib
- frp
- 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
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model provides an assembled prestressing force FRP muscle recycled concrete roof beam, including recycled concrete roof beam and coupling mechanism, recycled concrete roof beam includes stirrup, muscle cover, FRP muscle and recycled concrete, be equipped with in the stirrup recycled concrete, be equipped with first sleeve in the recycled concrete roof beam, coupling mechanism includes first connecting piece and second connecting piece, first connecting piece cover is located on the post, first connecting piece through first bolt with the post is connected; the groove is formed in the second connecting piece, one side wall of the groove is a movable plate, the movable plate is hinged to the bottom of the groove, a screw rod is arranged on the second connecting piece, the screw rod sequentially penetrates through the movable plate, the first sleeve and the other side wall of the groove from top to bottom, and a first nut and a second nut are sleeved on the screw rod. The utility model discloses can realize swiftly changing the recycled concrete roof beam.
Description
Technical Field
The utility model relates to a beam column technical field, concretely relates to assembled prestressing force FRP muscle recycled concrete roof beam.
Background
At present, artificial buildings increasingly have obvious influence on the environment, and need to implement the 3R concepts of Reduce, Reuse and Recycle in the world, so as to realize sustainable utilization of building materials. The recycled concrete beam is a beam made of waste concrete as recycled aggregate, and can be used as a basic bearing member in engineering structures such as house buildings, bridge buildings and the like. However, the recycled aggregate is mechanically crushed, so that the internal microcracks are more, the corrosion of the reinforcing steel bars is accelerated, and the structural stress performance of the recycled concrete beam is different from that of a common concrete beam. In addition, in order to realize recycling of the recycled concrete beam, it may be designed as a fabricated structure, and the recycled concrete beam may be disassembled and secondary fabricated in a new building, if necessary, while maintaining sufficient strength.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims at providing an assembled prestressing force FRP muscle regeneration concrete roof beam, for solving above-mentioned technical problem, the utility model discloses a following technical scheme realizes:
the assembled prestressed FRP rib recycled concrete beam comprises a recycled concrete beam and a connecting mechanism, wherein the recycled concrete beam comprises stirrups, rib sleeves, FRP ribs and recycled concrete, the inner wall of each stirrup is connected with four rib sleeves, and the four rib sleeves are respectively arranged at four corners of the inner wall of each stirrup;
the FRP ribs penetrate through one rib sleeve in each stirrup, and the stirrups are connected through the FRP ribs; the recycled concrete is arranged in the stirrup;
a first sleeve is arranged in the recycled concrete beam and penetrates through the upper surface and the lower surface of the recycled concrete beam;
the connecting mechanism comprises a first connecting piece and a second connecting piece, the first connecting piece is annular, the first connecting piece is sleeved on the column, and the first connecting piece is connected with the column through a first bolt;
the groove is formed in the second connecting piece, one side wall of the groove is a movable plate, the movable plate is hinged to the bottom of the groove through a hinge portion, a screw rod is arranged on the second connecting piece, the screw rod sequentially penetrates through the movable plate, the first sleeve and the other side wall of the groove from top to bottom, a first nut and a second nut are sleeved on the screw rod, the first nut is located on the upper surface of the second connecting piece, and the second nut is located on the lower surface of the second connecting piece.
Advantageously, the post is provided with support blocks at four corners, the support blocks are L-shaped, the support blocks are connected with the post through second bolts, and the support blocks are connected with the first connecting piece through third bolts.
Advantageously, an extension plate is fixed to the support block.
Advantageously, the second connector upper surface is provided with a connecting plate, and the connecting plate is connected with the second connector upper surface through a first screw and a second screw.
Advantageously, said first connection means and said second connection means are made of metal.
Advantageously, the FRP ribs comprise glass fibre reinforced plastic.
Advantageously, the FRP ribs comprise carbon fibre reinforced plastic.
Advantageously, the FRP rib comprises an aramid fibre reinforced plastic.
The utility model discloses following beneficial effect has:
1. the environment-friendly recycled concrete is used as one of main constituents of the recycled concrete beam, so that resources are saved, and the environment is protected;
2. through first connecting piece, first bolt, second connecting piece, fly leaf, screw rod, first nut, second nut and first sleeve, realize that the recycled concrete roof beam is convenient dismantlement and installation fast to accomplish the secondary assembly in new building.
3. The combination of the prestress technology and the recycled concrete material can obviously improve the defect that the recycled concrete beam is easy to crack, the FRP rib as another novel material has the characteristics of light weight, high strength, corrosion resistance, good fatigue performance and the like, prestress is applied to the FRP rib, the characteristics of light weight and high strength can be fully exerted, the utilization rate of the material is greatly improved, and compared with the common prestress rib, the FRP rib has smaller prestress loss; the FRP rib has the characteristic of corrosion resistance, replaces the common steel bar, can effectively solve the problem of corrosion of the steel bar in the recycled concrete, enables the recycled concrete beam to have excellent durability, has wide application prospect of the prestressed FRP rib recycled concrete structure, and has great development potential in the field of civil engineering.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
figure 3 is a top view of the support block of figure 1 according to the present invention.
Reference numerals: the recycled concrete beam comprises a recycled concrete beam 1, a column 2, a first connecting piece 3, a first bolt 4, a second connecting piece 5, a groove 51, a hinge portion 6, a movable plate 7, a screw 8, a first nut 9, a second nut 10, a first sleeve 11, a connecting plate 12, a first screw 13, a second screw 131, a stirrup 14, a rib sleeve 15, an FRP rib 16, recycled concrete 17, a supporting block 18, a second bolt 181, a third bolt 182 and an extending plate 183.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
As shown in fig. 1-3, an assembled prestressed FRP bar recycled concrete beam includes a recycled concrete beam 1 and a connection mechanism, where the recycled concrete beam 1 includes stirrups 14, reinforcement sleeves 15, FRP bars 16 and recycled concrete 17, the inner wall of each stirrup 14 is connected with four reinforcement sleeves 15, and the four reinforcement sleeves 15 are respectively disposed at four corners of the inner wall of the stirrup 14;
the stirrups 14 are provided in plurality, the FRP ribs 16 penetrate through one of the rib sleeves 15 in each stirrup 14, and the stirrups 14 are connected through the FRP ribs 16; the recycled concrete 17 is arranged in the stirrup 14;
a first sleeve 11 is arranged in the recycled concrete beam 1, and the first sleeve 11 penetrates through the upper surface and the lower surface of the recycled concrete beam 1;
the connecting mechanism comprises a first connecting piece 3 and a second connecting piece 5, the first connecting piece 3 is annular, the first connecting piece 3 is sleeved on the column 2, and the first connecting piece 3 is connected with the column 2 through a first bolt 4;
the groove 51 is formed in the second connecting piece 5, one side wall of the groove 51 is a movable plate 7, the movable plate 7 is hinged to the bottom of the groove 51 through a hinge portion 6, a screw 8 is arranged on the second connecting piece 5, the screw 8 sequentially penetrates through the movable plate 7, the first sleeve 11 and the other side wall of the groove 51 from top to bottom, a first nut 9 and a second nut 10 are sleeved on the screw 8, the first nut 9 is located on the upper surface of the second connecting piece 5, and the second nut 10 is located on the lower surface of the second connecting piece 5.
According to the utility model discloses an optional embodiment, four corners of post 2 are equipped with supporting shoe 18, supporting shoe 18 is the L type, supporting shoe 18 through second bolt 181 with post 2 is connected, supporting shoe 18 through third bolt 182 with first connecting piece 3 is connected.
In an alternative embodiment of the present invention, the supporting block 18 is fixedly connected with an extending plate 183.
According to an optional embodiment of the present invention, the second connecting member 5 is provided with a connecting plate 12 on the upper surface, and the connecting plate 12 is connected to the upper surface of the second connecting member 5 through a first screw 13 and a second screw 131.
In an alternative embodiment of the present invention, the first connecting member 3 and the second connecting member 5 are made of metal.
The implementation process comprises the following steps:
when the recycled concrete beam 1 needs to be replaced, the first nut 9 and the second nut 10 are unscrewed, the screw 8 is pulled out of the first sleeve 11, the first screw 13 and the second screw 131 are unscrewed, the connecting plate 12 is moved away, the movement limit of the movable plate 7 is removed, and the movable plate 7 is rotated clockwise, so that the recycled concrete beam 1 can be taken out for replacement or disassembly.
And the disassembled recycled concrete beam 1 is taken to a connecting mechanism on the other column 2 for connection, so that the secondary assembly of the recycled concrete beam 1 can be realized.
The assembling operation only needs to reverse the disassembling process, namely, the connecting plate 12 is installed, and the recycled concrete beam 1 and the movable plate 7 are connected by the screw 8, and the detailed description is not repeated here.
The supporting block 18 can support the first connecting member 3, and the extension plate 183 can increase the contact area between the supporting block 18 and the first connecting member 3, so that the first connecting member 3 can be more stably fixed to the pillar 2.
In the production of the recycled concrete beam 1 in the present application, the existing prestressed tensioning method, such as post-tensioning, is used for the prestressed tensioning of the FRP reinforcement 16, i.e., the recycled concrete 17 is poured first, and after the design strength reaches 75% or more, the FRP reinforcement 16 as the prestressed concrete is tensioned again to form the prestressed concrete member.
The utility model has the advantages that the recycled concrete beam 1 has excellent corrosion resistance through the arrangement of the FRP ribs 16; the environment-friendly recycled concrete 17 is used as one of main components of the recycled concrete beam 1, so that resources are saved, and the recycled concrete beam is natural and environment-friendly; through first connecting piece 3, first bolt 4, second connecting piece 5, fly leaf 7, screw rod 8, first nut 9, second nut 10 and first sleeve 11, realize that recycled concrete roof beam 1 conveniently dismantles fast and installs, realizes recycled concrete roof beam 1's secondary assembly.
The combination of the prestress technology and the recycled concrete material can obviously improve the defect that the recycled concrete beam 1 is easy to crack, the FRP tendon 16 as another novel material has the characteristics of light weight, high strength, corrosion resistance, good fatigue performance and the like, prestress is applied to the FRP tendon 16, the characteristics of light weight and high strength can be fully exerted, the utilization rate of the material is greatly improved, and the prestress loss of the FRP tendon 16 is smaller compared with that of a common prestress tendon; because FRP muscle 16 has corrosion-resistant characteristics, it replaces ordinary reinforcing bar, can effectively solve the reinforcing bar corrosion problem in recycled concrete 17. In conclusion, the prestressed FRP rib recycled concrete structure has wide application prospect and has great development potential in the field of civil engineering.
In an alternative embodiment of the present invention, the FRP ribs 16 comprise glass fiber reinforced plastic.
In an optional embodiment of the present invention, the FRP ribs 16 comprise carbon fiber reinforced plastic.
According to an optional embodiment of the present invention, the FRP rib 16 includes aramid fiber reinforced plastic.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The assembled prestressed FRP rib recycled concrete beam is characterized by comprising a recycled concrete beam (1) and a connecting mechanism, wherein the recycled concrete beam (1) comprises stirrups (14), rib sleeves (15), FRP ribs (16) and recycled concrete (17), the inner wall of each stirrup (14) is connected with four rib sleeves (15), and the four rib sleeves (15) are respectively arranged at four corners of the inner wall of each stirrup (14);
the stirrups (14) are provided with a plurality of stirrups (14), the FRP ribs (16) penetrate through one rib sleeve (15) in each stirrup (14), and the stirrups (14) are connected through the FRP ribs (16); the recycled concrete (17) is arranged in the stirrup (14);
a first sleeve (11) is arranged in the recycled concrete beam (1), and the first sleeve (11) penetrates through the upper surface and the lower surface of the recycled concrete beam (1);
the connecting mechanism comprises a first connecting piece (3) and a second connecting piece (5), the first connecting piece (3) is annular, the first connecting piece (3) is sleeved on the column (2), and the first connecting piece (3) is connected with the column (2) through a first bolt (4);
seted up recess (51) on second connecting piece (5), one of them lateral wall of recess (51) is fly leaf (7), fly leaf (7) through articulated portion (6) with recess (51) bottom is articulated, be equipped with screw rod (8) on second connecting piece (5), screw rod (8) down pass in proper order from last fly leaf (7) first sleeve (11) and recess (51) another lateral wall, the cover is equipped with first nut (9) and second nut (10) on screw rod (8), first nut (9) are located second connecting piece (5) upper surface, second nut (10) are located second connecting piece (5) lower surface.
2. The fabricated prestressed FRP tendon recycled concrete beam as claimed in claim 1, wherein support blocks (18) are provided at four corners of the column (2), the support blocks (18) are L-shaped, the support blocks (18) are connected with the column (2) by second bolts (181), and the support blocks (18) are connected with the first connectors (3) by third bolts (182).
3. The fabricated prestressed FRP tendon recycled concrete beam as claimed in claim 2, wherein an extension plate (183) is fixedly connected to the supporting block (18).
4. The fabricated prestressed FRP rib recycled concrete beam as claimed in claim 3, wherein the second connecting member (5) is provided at an upper surface thereof with a connecting plate (12), and the connecting plate (12) is connected to the upper surface of the second connecting member (5) by a first screw (13) and a second screw (131).
5. The fabricated prestressed FRP rib recycled concrete beam as claimed in claim 4, wherein the first connecting member (3) and the second connecting member (5) are made of metal.
6. The fabricated prestressed FRP rib recycled concrete beam as claimed in any one of claims 1 to 5, wherein the FRP rib (16) comprises glass fiber reinforced plastic.
7. The fabricated prestressed FRP rib recycled concrete beam as claimed in claim 4, wherein the FRP rib (16) comprises carbon fiber reinforced plastic.
8. The fabricated prestressed FRP rib recycled concrete beam as claimed in claim 4, wherein the FRP rib (16) comprises aramid fiber reinforced plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120246227.XU CN214423746U (en) | 2021-01-28 | 2021-01-28 | Assembled prestressing force FRP muscle recycled concrete roof beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120246227.XU CN214423746U (en) | 2021-01-28 | 2021-01-28 | Assembled prestressing force FRP muscle recycled concrete roof beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214423746U true CN214423746U (en) | 2021-10-19 |
Family
ID=78057357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120246227.XU Active CN214423746U (en) | 2021-01-28 | 2021-01-28 | Assembled prestressing force FRP muscle recycled concrete roof beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214423746U (en) |
-
2021
- 2021-01-28 CN CN202120246227.XU patent/CN214423746U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104675141B (en) | A kind of FRP pipe constraint cement-base composite material reinforces pillarwork | |
| CN101280546A (en) | Lower chord opening beam type corrugated steel web combination beam | |
| CN202202577U (en) | Post disassembly structure of pre-stressed support beam | |
| CN107672018A (en) | A kind of steel precast concrete combination beam and preparation method thereof | |
| AU2018408668A1 (en) | TRC folded assemble-type permanent formwork and manufacturing method thereof | |
| CN110629655B (en) | Steel concrete composite beam adopting local replaceable plate of suspended formwork system | |
| CN109403509A (en) | It is a kind of based on runback bit combination newel post-slurry anchor shear wall assembled composite shear wall | |
| CN111535444A (en) | Fiber reinforced concrete beam column joint and manufacturing method thereof | |
| CN214423746U (en) | Assembled prestressing force FRP muscle recycled concrete roof beam | |
| CN106368317A (en) | Prefabricated frame, slotted shear walls and frame-shear-wall structure | |
| CN111236091B (en) | Concrete lining reinforcing structure of corrugated steel web box girder bridge | |
| CN101059014B (en) | Steel pipe hollow concrete building floor and construction method thereof | |
| CN102587576A (en) | Combined precast column with nodes | |
| CN217268233U (en) | Non-dismantling bottom die floor plate for different-surface construction | |
| CN216380181U (en) | Web plate embedded type outer-wrapped FRP-concrete composite beam structure | |
| CN216920894U (en) | Prefabricated floor panel with removable stiffening member | |
| CN110004816A (en) | Wavelike steel webplate Prestressed U HPC combined box beam and its construction method | |
| CN210086610U (en) | Laminated slab for concrete shear wall | |
| CN114250909A (en) | Quick-mounting low-level prestressed rigid frame beam | |
| CN208844443U (en) | A kind of box beam ruggedized construction based on arch | |
| CN113482239A (en) | High-performance concrete permanent formwork square steel pipe combination beam and manufacturing method thereof | |
| CN113309290A (en) | Novel 3D prints coincide roof beam system | |
| CN207812833U (en) | A kind of steel-precast concrete combination beam | |
| CN110777644A (en) | Ultra-high performance concrete truss girder and construction method thereof | |
| CN116145531B (en) | Assembled FRP-UHPC combined structure connected in clustered mode and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |