CN205134735U - High slag carbon fiber rod concrete beam - Google Patents
High slag carbon fiber rod concrete beam Download PDFInfo
- Publication number
- CN205134735U CN205134735U CN201520966141.9U CN201520966141U CN205134735U CN 205134735 U CN205134735 U CN 205134735U CN 201520966141 U CN201520966141 U CN 201520966141U CN 205134735 U CN205134735 U CN 205134735U
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- blast furnace
- fiber rod
- furnace slag
- concrete
- 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.)
- Expired - Fee Related
Links
Landscapes
- Rod-Shaped Construction Members (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The utility model provides a better high slag carbon fiber rod concrete beam of anti -bending strength. The utility model discloses a high cinder concrete and inside skeleton, inside skeleton include 2 piece at least carbon fiber rod that lie in its bottom, 2 piece at least cableways that lie in its top, and the length direction of carbon fiber rod and cableway is all consistent with the length direction of high cinder concrete, and a formation whole skeleton texture is connected through a plurality of stirrups of arranging along both length direction to carbon fiber rod and cableway. Inside skeleton still can be constructed the waist muscle and be connected with the stirrup including the structure waist muscle that is located its both sides face. The utility model discloses an improve inside skeleton texture, strengthened bending strength.
Description
Technical field
The utility model belongs to technical field of concrete, particularly relates to a kind of blast furnace slag carbon fiber rod concrete beam.
Background technology
Steel concrete is as the most widely used structural meterials of contemporary field of civil engineering, Panxi Diqu utilizes the reinforced concrete beam that distinctive high-titanium blast furnace slag is thick, making built by fines, because having the advantages such as lightweight, intensity good, smoothness good, sound insulation value is good, and the main material of ordinary concrete can be saved, reduce cost of manufacture, extensively quoted, but its anti-bending strength is poor, and in use, reinforcing bar easy-to-rust.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of anti-bending strength better blast furnace slag carbon fiber rod concrete beam.
The technical scheme adopted for solving the problems of the technologies described above the utility model is: blast furnace slag carbon fiber rod concrete beam, comprise blast furnace slag concrete and inner skeleton, inner skeleton comprises at least 2 handling reinforcements being positioned at least 2 carbon fiber rods bottom it, being positioned at its top, all concrete with the blast furnace slag length direction of length direction of carbon fiber rod and handling reinforcement is consistent, and carbon fiber rod and handling reinforcement are connected to form an integral skeleton structure by the multiple stirrups arranged along both length directions.
Further: on the longitudinal cross-section along blast furnace slag concrete width, arrange along blast furnace slag concrete width uniform intervals between many carbon fiber rods, arrange along blast furnace slag concrete width uniform intervals between many handling reinforcements, and 2 carbon fiber rods being positioned at two ends, be positioned at two ends 2 handling reinforcements in rectangular layout.
Further: inner skeleton also comprises the structure waist muscle being positioned at its two sides, structure waist muscle is connected with stirrup, the length direction of structure waist muscle is consistent with the concrete length direction of blast furnace slag, and on the longitudinal cross-section along blast furnace slag concrete width, structure waist muscle is arranged at uniform intervals between the carbon fiber rod, handling reinforcement of same end.
Further: the external surface of carbon fiber rod has helical form fin.
Further: carbon fiber rod spacing is each other less than handling reinforcement spacing each other.
The beneficial effects of the utility model are: in inner skeleton, and carbon fiber rod is the main muscle of tension, mainly bears tensile stress; Handling reinforcement is used for fixing stirrup and forms cage of reinforcement; Stirrup is used for meeting anti-shear intensity, and connects the main muscle of tension and pressure zone concrete makes its co-operation, in addition, is used for fixing the position of main muscle and makes various reinforcing bar in beam form integral skeleton structure; Construct the rigidity that waist muscle then can increase beam framework, reduce tensile region crack developing.The utility model, by improving inner skeleton structure, enhances flexural strength.
Accompanying drawing explanation
Fig. 1 is longitdinal cross-section diagram of the present utility model;
Fig. 2 is the right view of Fig. 1;
Mark in figure: 1-carbon fiber rod, 2-handling reinforcement, 3-construct waist muscle, 4-stirrup.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, the utility model comprises blast furnace slag concrete and inner skeleton, inner skeleton comprises at least 2 handling reinforcements 2 being positioned at least 2 carbon fiber rods 1 bottom it, being positioned at its top, all concrete with the blast furnace slag length direction of length direction of carbon fiber rod 1 and handling reinforcement 2 is consistent, and carbon fiber rod 1 and handling reinforcement 2 are connected to form an integral skeleton structure by the multiple stirrups 4 arranged along both length directions.
Preferably, on the longitudinal cross-section along blast furnace slag concrete width, arrange along blast furnace slag concrete width uniform intervals between many carbon fiber rods 1, arrange along blast furnace slag concrete width uniform intervals between many handling reinforcements 2, and 2 carbon fiber rods 1 being positioned at two ends, be positioned at two ends 2 handling reinforcements 2 four in rectangular layout.
Preferably, inner skeleton also comprises the structure waist muscle 3 being positioned at its two sides, structure waist muscle 3 is connected with stirrup 4, the length direction of structure waist muscle 3 is consistent with the concrete length direction of blast furnace slag, and on the longitudinal cross-section along blast furnace slag concrete width, structure waist muscle 3 is arranged at uniform intervals between the carbon fiber rod 1, handling reinforcement 2 of same end.
Preferably, the external surface of carbon fiber rod 1 has helical form fin.
In addition, stirrup 4 is preferably perpendicular to the concrete length direction setting of blast furnace slag.
In inner skeleton, carbon fiber rod 1 is the main muscle of tension, mainly bears tensile stress; Handling reinforcement 2 is used for fixing stirrup 4 and forms cage of reinforcement; Stirrup 4 is used for meeting anti-shear intensity, and connects the main muscle of tension and pressure zone concrete makes its co-operation, in addition, is used for fixing the position of main muscle and makes various reinforcing bar in beam form integral skeleton structure; Construct the rigidity that waist muscle 3 then can increase beam framework, reduce tensile region crack developing; And helical form fin is set at the external surface of carbon fiber rod 1 can significantly improves wedge action between carbon fiber rod and concrete, increase adhesion stress between the two, ensure to greatest extent to be out of shape cooperative ability between carbon fiber rod and concrete.The utility model, by improving inner skeleton structure, enhances flexural strength.
Embodiment:
The utility model employing technical scheme is: comprise blast furnace slag concrete and inner skeleton, inner skeleton comprises 2 handling reinforcements 2 being positioned at 2 carbon fiber rods 1 bottom it, being positioned at its top, all concrete with the blast furnace slag length direction of length direction of carbon fiber rod 1 and handling reinforcement 2 is consistent, carbon fiber rod 1 and handling reinforcement 2 are connected to form an integral skeleton structure by the multiple stirrups 4 arranged along both length directions, 2 carbon fiber rods 1 and 2 handling reinforcements 2 four in rectangular layout, the external surface of carbon fiber rod 1 has helical form fin.
According to existing code for structural design, take longitudinal section as 150mm × 300mm, length be the blast furnace slag concrete beam of 1500mm is that example is implemented, vertical beam longitudinal axis vertical load designs by 100kN, 150kN, 200kN respectively, carbon fiber rod 1 adopts certain famous brand name domestic, diameter is respectively 6mm, 8mm, 10mm, handling reinforcement 2 adopts HRB400 indented bars, and diameter is respectively 16mm, 18mm, 22mm, and test number is respectively LM1-D, LM2-D, LM3-D.
And embodiment as a comparison, identical structure is adopted with the utility model, but substitute carbon fiber rod 1 with plain bars, diameter is adopted to be respectively the HRB400 indented bars of 16mm, 18mm, 22mm as the main muscle of tension, and handling reinforcement 2 adopts HRB400 indented bars equally, diameter is respectively 16mm, 18mm, 22mm, and test number is respectively LM1, LM2, LM3.
After the maintenance of 6 groups of blast furnace slag concrete beam is good, carry out load test, test situation is as shown in table 1.
Key point load contrast situation in table 1 each test beam load-bearing process
From table 1 experimental data, the utility model is relative to prior art, and the bearing capacity of beam is obviously not impaired, and its rupture load is only lower slightly than design load, and within 5%, but anti-bending strength obviously promotes.
As to an improvement of the present utility model, carbon fiber rod 1 spacing is each other less than handling reinforcement 2 spacing each other.In ordinary reinforced concrete structure, the bottom main muscle of tension spacing each other, handling reinforcement both spacing are each other normally identical, according to these pitch structure, from table 1 experimental data, the bearing capacity of beam can be slightly impaired, the bearing capacity of beam then can be avoided impaired by reducing carbon fiber rod 1 spacing each other.Take longitudinal section as 150mm × 300mm, length be the blast furnace slag concrete beam of 1500mm is example, carbon fiber rod 1 quantity is 3, handling reinforcement 2 quantity is 2, and by arranging structure waist muscle 3 to reduce tensile region crack developing, structure waist muscle 3 spacing is preferably 40mm ~ 60mm, be 150mm × 300mm in longitudinal section, length is in the blast furnace slag concrete beam embodiment of 1500mm, respectively can arrange 3 structure waist muscle 3 in two sides, setting up waist muscle 3 also can the bearing capacity of lifting beam.
Claims (5)
1. blast furnace slag carbon fiber rod concrete beam, comprise blast furnace slag concrete and inner skeleton, it is characterized in that: inner skeleton comprises at least 2 handling reinforcements (2) being positioned at least 2 carbon fiber rods (1) bottom it, being positioned at its top, all concrete with the blast furnace slag length direction of length direction of carbon fiber rod (1) and handling reinforcement (2) is consistent, and carbon fiber rod (1) and handling reinforcement (2) are connected to form an integral skeleton structure by the multiple stirrups (4) arranged along both length directions.
2. blast furnace slag carbon fiber rod concrete beam as claimed in claim 1, it is characterized in that: on the longitudinal cross-section along blast furnace slag concrete width, arrange along blast furnace slag concrete width uniform intervals between many carbon fiber rods (1), arrange along blast furnace slag concrete width uniform intervals between many handling reinforcements (2), and 2 carbon fiber rods (1) being positioned at two ends, be positioned at two ends 2 handling reinforcements (2) four in rectangular layout.
3. blast furnace slag carbon fiber rod concrete beam as claimed in claim 1 or 2, it is characterized in that: inner skeleton also comprises the structure waist muscle (3) being positioned at its two sides, structure waist muscle (3) is connected with stirrup (4), the length direction of structure waist muscle (3) is consistent with the concrete length direction of blast furnace slag, and on the longitudinal cross-section along blast furnace slag concrete width, structure waist muscle (3) is being positioned at uniform intervals setting between the carbon fiber rod (1) of same end, handling reinforcement (2).
4. blast furnace slag carbon fiber rod concrete beam as claimed in claim 1 or 2, is characterized in that: the external surface of carbon fiber rod (1) has helical form fin.
5. blast furnace slag carbon fiber rod concrete beam as claimed in claim 2, is characterized in that: carbon fiber rod (1) spacing is each other less than handling reinforcement (2) spacing each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520966141.9U CN205134735U (en) | 2015-11-26 | 2015-11-26 | High slag carbon fiber rod concrete beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520966141.9U CN205134735U (en) | 2015-11-26 | 2015-11-26 | High slag carbon fiber rod concrete beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205134735U true CN205134735U (en) | 2016-04-06 |
Family
ID=55620542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520966141.9U Expired - Fee Related CN205134735U (en) | 2015-11-26 | 2015-11-26 | High slag carbon fiber rod concrete beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205134735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401692A (en) * | 2015-11-26 | 2016-03-16 | 攀枝花学院 | Blast furnace slag carbon fiber rod concrete beam |
-
2015
- 2015-11-26 CN CN201520966141.9U patent/CN205134735U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401692A (en) * | 2015-11-26 | 2016-03-16 | 攀枝花学院 | Blast furnace slag carbon fiber rod concrete beam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102383420B (en) | High-strength concrete prefabricated pile doped with fiber-reinforced plastic bar | |
| CN105256891A (en) | Prefabricated concrete frame structure with high-strength bottom bars | |
| CN202596028U (en) | Carbon fiber pres-stressed reinforcing steel and high strength steel bar ultra-high toughness fiber reinforced cement-based composite beam structure | |
| CN108374555A (en) | Girder with rolled steel section en cased in concrete, which pours, to be smash without support hung formwork structure and method | |
| CN203808294U (en) | Hollow reinforced concrete shear wall with end posts with continuous spiral stirrups | |
| CN205134735U (en) | High slag carbon fiber rod concrete beam | |
| CN105401692A (en) | Blast furnace slag carbon fiber rod concrete beam | |
| CN204040310U (en) | A kind of bar planting structure adopting also muscle | |
| CN204983397U (en) | Prestressing force formula concrete beam pre -buried steel structure is strengthened in steel sheet segmentation | |
| CN104878872A (en) | Ultra-high performance concrete cover plate with truss structure framework and production method of ultra-high performance concrete cover plate | |
| CN109838015B (en) | High-shear-resistance concrete shear wall provided with fiber reinforced composite material grid bars | |
| CN205557288U (en) | U -shaped prestressed structure of concrete box beam web and bottom plate | |
| CN205677280U (en) | A kind of strenthening member of impaired armored concrete vertical member | |
| CN205712740U (en) | Four pencil ultra-high performance concrete constraint normal concrete rectangular columns | |
| CN208363611U (en) | Girder with rolled steel section en cased in concrete, which pours, to be smash without support hung formwork structure | |
| CN101245626A (en) | Prefabricated slab for lamination | |
| CN203593945U (en) | Railway continuous beam-arch-steel bar suspender combined structure | |
| CN208023834U (en) | A kind of combined reinforced beam | |
| CN207004039U (en) | A kind of construction package for wall reinforcement | |
| CN207499274U (en) | A kind of concrete prefabricated stairs for building being easily installed | |
| CN207469595U (en) | A kind of combined reinforced beam | |
| CN204325892U (en) | Inter-city passenger rail single box double room simple supported box beam structural shape | |
| CN206815377U (en) | A kind of attachment structure of pipe gallery assembly | |
| CN206328951U (en) | A kind of reinforced beam of long span variable cross-section | |
| CN206769120U (en) | A kind of encased steel plate reinforced concrete combination shear wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20181126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |