CN213806179U - FRP pipe-steel skeleton-recycled concrete hollow column - Google Patents
FRP pipe-steel skeleton-recycled concrete hollow column Download PDFInfo
- Publication number
- CN213806179U CN213806179U CN202022614153.9U CN202022614153U CN213806179U CN 213806179 U CN213806179 U CN 213806179U CN 202022614153 U CN202022614153 U CN 202022614153U CN 213806179 U CN213806179 U CN 213806179U
- Authority
- CN
- China
- Prior art keywords
- frp pipe
- layer
- frp
- recycled concrete
- pipe
- 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
- 239000004567 concrete Substances 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 16
- 230000008929 regeneration Effects 0.000 claims abstract description 6
- 238000011069 regeneration method Methods 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 7
- 101710107464 Probable pyruvate, phosphate dikinase regulatory protein, chloroplastic Proteins 0.000 claims description 3
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 claims 1
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 claims 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 claims 1
- 230000018109 developmental process Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000003733 fiber-reinforced composite Substances 0.000 description 69
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
The utility model discloses a FRP pipe-steel skeleton-hollow post of recycled concrete, including outer FRP pipe, inlayer FRP pipe and regeneration concrete layer, outer FRP pipe and inlayer FRP pipe are the concentric structure, leave the determining deviation between the two, form annular space, regeneration concrete layer is by pouring into annular space's recycled concrete material forms its characterized in that: the annular space or the recycled concrete layer is filled with a steel frame structure and a first supporting and reinforcing structure. The utility model discloses, compare in traditional concrete column, because be hollow structure, and local subassembly is the lighter FRP material of quality, can effectual reduction structure dead weight, and utilize recycled concrete to be favorable to the sustainable development of the energy, environmental protection and energy saving to compare in traditional concrete column and some current FRP pipe-concrete hollow columns, the atress performance of promotion cylinder structure that can show in the aspect of durable and antidetonation has better bearing capacity.
Description
Technical Field
The utility model belongs to the building construction field specifically is a FRP pipe-steel skeleton-hollow post of recycled concrete that relates to antidetonation power consumption technique.
Background
The common reinforced concrete column widely used in the construction field at present has great improvement space on earthquake resistance, stress and durability, and in addition, has the defects of larger structure dead weight, lower waste recycling rate and the like. Fiber Reinforced composite (FRP) is a composite formed by winding, molding or pultrusion a reinforcing Fiber material, such as glass Fiber, carbon Fiber, aramid Fiber, etc., with a matrix material. Common fiber-reinforced composites include glass fiber reinforced composites (GFRP), carbon fiber reinforced Composites (CFRP), and aramid fiber reinforced composites (AFRP), among others, depending on the reinforcement. The fiber reinforced composite material has the characteristics of high specific strength, large specific modulus, designability of material performance, good corrosion resistance and durability, close thermal expansion coefficient to that of concrete and the like, can meet the requirements of large span, high rise, heavy load, light weight, high strength and work development under severe conditions of modern structures, and can meet the requirement of industrial development of modern building construction, so the fiber reinforced composite material is applied to various civil buildings and large engineering structures by people in the field, FRP partially or completely replaces reinforcing steel bars to reinforce concrete, and convenience is provided for the construction process. The combination of the performance advantages of the FRP, the recycled concrete and the steel bar leads the whole structure to have better stress performance through structural improvement, and simultaneously, as the waste concrete is increased day by day and the natural concrete is exhausted day by day, the recycled concrete and the recycled aggregate become inevitable for development and have great research value through comprehensive consideration.
Disclosure of Invention
The technical purpose of the invention is to provide a novel FRP pipe-steel frame-recycled concrete hollow column based on the principle of sustainable energy development, and the stress performance of the column body structure is further improved while the self weight is reduced compared with that of a common reinforced concrete column.
In order to achieve the technical purpose, the technical scheme provided by the invention is as follows:
the utility model provides a hollow post of FRP pipe-steel skeleton-recycled concrete, includes outer FRP pipe, inlayer FRP pipe and regeneration concrete layer, outer FRP pipe and inlayer FRP pipe are the concentric structure, leave certain interval between the two, form annular space, regeneration concrete layer is formed by the recycled concrete material who pours into annular space, its characterized in that:
the annular space or the recycled concrete layer is filled with a steel frame structure and a first supporting and reinforcing structure;
the steel frame structure is a cylindrical reinforcing mesh and consists of a plurality of main reinforcements uniformly distributed around the inner-layer FRP pipe and a plurality of annular stirrups fixedly connected with the main reinforcements, and the annular stirrups are uniformly distributed along the axial direction of the inner/outer-layer FRP pipe;
the first support reinforcing structure is composed of a plurality of section bar unit pieces which are uniformly distributed around the inner-layer FRP pipe, the extending direction of the section bar unit pieces is parallel to the main ribs of the steel frame structure, and the section bar unit pieces are inserted between the main ribs and connected with the inner-layer FRP pipe and the outer-layer FRP pipe;
the section unit element is formed by splicing two L-shaped sections, the bent parts of the two L-shaped sections are hooked together, the other ends of the two L-shaped sections are in contact connection with the outer-layer FRP pipe or the inner-layer FRP pipe, and a through hole for allowing the annular hoop to pass through is formed in the L-shaped section positioned on the outer side.
On the basis of the above scheme, a further improved or preferred scheme further comprises:
preferably, the L-shaped section is made of FRP materials.
Preferably, the material of the inner/outer layer FRP pipe or the L-shaped section bar is one of AFRP, BFRP, CFRP and GFRP.
Furthermore, a section unit element is inserted between every two main ribs.
Furthermore, a second supporting and reinforcing structure is arranged in the body of the inner-layer FRP pipe, and a third supporting and reinforcing structure is arranged in the body of the outer-layer FRP pipe; the second support reinforcing structure and the third support reinforcing structure are both in a cylindrical framework, are parallel to the inner/outer layer FRP pipes, and have cross sections in the shape of a regular polygon, the sides of the regular polygon are tangent to the inner wall surfaces of the corresponding FRP pipes, and the corners of the regular polygon are positioned at the positions of the outer wall surfaces of the corresponding FRP pipes.
Preferably, the second and third support reinforcing structures are made of steel materials.
Preferably, the regular polygon is a regular hexagon.
Has the advantages that:
the utility model discloses FRP pipe-steel skeleton-hollow post of recycled concrete compares in traditional concrete column, because be hollow structure, and local subassembly is the lighter FRP material of quality, can effectual reduction structure dead weight, and utilize recycled concrete to be favorable to the sustainable development of the energy, environmental protection structure, and compare in traditional concrete column and some FRP pipe-hollow post now, the atress performance of promotion cylinder structure that can show in the aspect of durable and antidetonation, better bearing capacity has.
Drawings
Fig. 1 is a cross-sectional view of an FRP pipe-steel skeleton-recycled concrete hollow column.
Fig. 2 is a three-dimensional anatomy view of the FRP pipe-steel skeleton-recycled concrete hollow column.
Detailed Description
The technical solution of the present invention will be specifically described below with reference to the accompanying drawings.
The FRP pipe-steel skeleton-recycled concrete hollow column shown in fig. 1 and 2 comprises an outer FRP pipe 1, an inner FRP pipe 5, a recycled concrete layer 7, a steel frame structure, a support reinforcing structure and the like.
The inner and outer FRP pipes are hollow pipes, and the inner FRP pipe 5 is concentrically arranged in the pipe cavity of the outer FRP pipe 1. A certain distance is left between the outer wall surface of the inner-layer FRP pipe 5 and the inner wall surface of the outer-layer FRP pipe 1 to form an annular space. The annular space is used for installing the steel frame structure and the first support reinforcing structure and injecting recycled concrete.
The steel frame structure is a cylindrical reinforcing mesh and consists of 12 main reinforcements 3 which are uniformly distributed around an inner-layer FRP pipe 5 and a plurality of annular stirrups 2 which are fixedly connected with the main reinforcements 3. As shown in fig. 2, the main ribs 3 and the FRP pipes are vertically arranged, and the annular stirrups 2 are horizontally arranged, and are uniformly distributed along the vertical direction (i.e., the axial direction of the inner/outer FRP pipes), and hoop the main ribs from the periphery. Generally, the number of the annular stirrups 2 should be not less than 3.
The first supporting and reinforcing structure is composed of 6 sectional material unit pieces which are uniformly distributed around the inner FRP pipe 5, and as shown in figure 1, one sectional material unit piece 8 is arranged between every two main ribs 3. Generally, the number of the profile unit pieces is not less than 3.
The L-shaped section unit element 8 is formed by splicing two L-shaped sections, bent parts of the two L-shaped sections are fixedly hooked together, one end of the inner side of one L-shaped section is connected with the inner-layer FRP pipe 5, and one end of the outer side of the other L-shaped section is connected with the outer-layer FRP pipe 1. The section unit element 8 is a strip-shaped element, the extending direction of the section element is parallel to the main rib 3 of the steel frame structure, the length direction of the cross section is basically consistent with the radial direction of the inner-layer FRP pipe 5 and the outer-layer FRP pipe 5, and a through hole for allowing the annular stirrup 2 to pass through is arranged on the L-shaped section positioned on the outer side.
The inner/outer layer FRP pipe and the L-shaped section are made of one of AFRP, BFRP, CFRP and GFRP.
Meanwhile, the supporting and reinforcing structure further comprises a second supporting and reinforcing structure 6 arranged in the body of the inner-layer FRP pipe 5 and a third supporting and reinforcing structure 4 arranged in the body of the outer-layer FRP pipe 1.
The second support reinforcing structure and the third support reinforcing structure are both cylindrical structures, are parallel to the inner/outer layer FRP pipes, are in regular hexagon in cross section, the sides of the regular hexagons are tangent to the inner wall surfaces of the corresponding FRP pipes, and the corners of the regular hexagons are positioned at the positions of the outer wall surfaces of the corresponding FRP pipes, so that a plurality of irregular triangles are formed, and the bearing capacity of the column FRP pipes is greatly enhanced. The second and third supporting and reinforcing structures are preferably made of thin steel plate through splicing.
The utility model discloses FRP pipe-steel skeleton-hollow post of recycled concrete's preparation method as follows:
the method comprises the following steps: placing the second supporting and reinforcing structure 6 into a mould for manufacturing the inner-layer FRP pipe 5, and manufacturing the inner-layer FRP pipe 5 in a mould pressing mode;
step two: placing the third supporting and reinforcing structure 4 into a mould for manufacturing the outer-layer FRP pipe 1, and manufacturing the inner-layer FRP pipe 5 in a mould pressing mode;
step three: assembling the steel frame structure and the first support reinforcing structure;
step four: the inner-layer FRP pipe 5 is placed into the outer-layer FRP pipe 1, the distance is kept, and the assembled steel frame structure and the first support reinforcing structure are placed between the inner-layer FRP pipe and the outer-layer FRP pipe;
step five: and pouring the stirred recycled concrete between the inner and outer FRP pipes to form an integral structure of the FRP pipe, the steel skeleton and the recycled concrete hollow column, and then entering a maintenance stage.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a hollow post of FRP pipe-steel skeleton-recycled concrete, includes outer FRP pipe (1), inlayer FRP pipe (5) and regeneration concrete layer (7), outer FRP pipe (1) and inlayer FRP pipe (5) are the concentric structure, leave certain interval between the two, form annular space, regeneration concrete layer (7) are formed by the recycled concrete material who pours into annular space, its characterized in that:
the annular space or the recycled concrete layer (7) is filled with a steel frame structure and a first supporting and reinforcing structure;
the steel frame structure is a cylindrical reinforcing mesh and consists of a plurality of main reinforcements (3) which are uniformly distributed around the inner-layer FRP pipe (5) and a plurality of annular stirrups (2) which are fixedly connected with the main reinforcements (3), and the annular stirrups (2) are uniformly distributed along the axial direction of the inner/outer-layer FRP pipe;
the first supporting and reinforcing structure is composed of a plurality of section bar unit pieces (8) which are uniformly distributed around the inner-layer FRP pipe (5), the extending direction of the section bar unit pieces (8) is parallel to the main ribs (3) of the steel frame structure, and the section bar unit pieces are inserted between the main ribs (3) and connected with the inner-layer FRP pipe and the outer-layer FRP pipe;
the section unit piece (8) is formed by splicing two L-shaped sections, bent parts of the two L-shaped sections are hooked together, the other ends of the two L-shaped sections are in contact connection with the outer-layer FRP pipe (1) or the inner-layer FRP pipe (5), and through holes for allowing the annular stirrups (2) to penetrate through are formed in the L-shaped sections located on the outer sides.
2. The FRP pipe-steel skeleton-recycled concrete hollow column as claimed in claim 1, wherein: the L-shaped section is made of FRP materials.
3. The FRP pipe-steel skeleton-recycled concrete hollow column as claimed in claim 1, wherein: the inner/outer layer FRP pipe or L-shaped section bar is made of one of AFRP, BFRP, CFRP and GFRP.
4. The FRP pipe-steel skeleton-recycled concrete hollow column as claimed in claim 1, wherein: a section bar unit piece (8) is inserted between every two main ribs (3).
5. The FRP pipe-steel skeleton-recycled concrete hollow column as claimed in any one of claims 1 to 4, wherein:
a second supporting and reinforcing structure (6) is arranged in the body of the inner-layer FRP pipe (5), and a third supporting and reinforcing structure (4) is arranged in the body of the outer-layer FRP pipe (1);
the second support reinforcing structure and the third support reinforcing structure are both cylindrical frameworks, are parallel to the inner/outer layer FRP pipes, and have cross sections in the shape of a regular polygon, the sides of the regular polygon are tangent to the inner wall surfaces of the corresponding FRP pipes, and the corners of the regular polygon are positioned at the positions of the outer wall surfaces of the corresponding FRP pipes.
6. The FRP pipe-steel skeleton-recycled concrete hollow column as claimed in claim 5, wherein: the second support reinforcing structure and the third support reinforcing structure are made of steel materials.
7. The FRP pipe-steel skeleton-recycled concrete hollow column as claimed in claim 5, wherein the regular polygon is a regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022614153.9U CN213806179U (en) | 2020-11-12 | 2020-11-12 | FRP pipe-steel skeleton-recycled concrete hollow column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022614153.9U CN213806179U (en) | 2020-11-12 | 2020-11-12 | FRP pipe-steel skeleton-recycled concrete hollow column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213806179U true CN213806179U (en) | 2021-07-27 |
Family
ID=76932672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022614153.9U Active CN213806179U (en) | 2020-11-12 | 2020-11-12 | FRP pipe-steel skeleton-recycled concrete hollow column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213806179U (en) |
-
2020
- 2020-11-12 CN CN202022614153.9U patent/CN213806179U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100510262C (en) | Bamboo bridge | |
| CN201206329Y (en) | Assembled reinforced bar truss template | |
| CN108442585B (en) | Outer heat preservation antidetonation integrated shear force wall of form removal exempts from | |
| US20220325542A1 (en) | A tre assemble permanent column formwork and manufacturing method thereof | |
| CN111456320A (en) | ECC (error correction code) disassembly-free template, concrete beam based on template and construction method of concrete beam | |
| CN202596028U (en) | Carbon fiber pres-stressed reinforcing steel and high strength steel bar ultra-high toughness fiber reinforced cement-based composite beam structure | |
| CN202519883U (en) | FRP (Fiber Reinforce Plastic) pipe restrained high-strength steel bar enhanced super-high-toughness fiber enhanced cement-based composite material hollow column component | |
| CN111945879B (en) | Double-steel-plate bolt connection full-assembly type column joint and construction method and calculation method thereof | |
| CN113216516A (en) | Superposed column with ultra-short stud and double-layer high-strength spiral stirrup and construction method | |
| CN213806179U (en) | FRP pipe-steel skeleton-recycled concrete hollow column | |
| CN212715350U (en) | Section steel concrete beam column structure | |
| CN212295331U (en) | ECC (error correction code) disassembly-free template and concrete beam based on same | |
| CN203174881U (en) | FRP-RC (fibreglass reinforced polyester-reinforced concrete) composite beam of local constraint fiber sleeve | |
| CN109898699B (en) | Assembled corrugated steel plate shear wall structure and construction method thereof | |
| CN103195211A (en) | FRP-RC (fiber reinforced polymer-reinforced concrete) combined beam partially constrained by fiber sleeve and construction method of combined beam | |
| CN216380181U (en) | Web plate embedded type outer-wrapped FRP-concrete composite beam structure | |
| CN214941652U (en) | Superposed column with ultra-short stud and double-layer high-strength spiral stirrup | |
| CN211735762U (en) | Structure of steel pipe concrete assembly type building | |
| CN211081171U (en) | Hyperbola cooling tower "decompression reinforcing structure | |
| CN112127512A (en) | Concrete-filled steel tube bundle combined shear wall with built-in composite confined concrete column | |
| CN201121778Y (en) | Hollow double-layer FRP pipe concrete composite structure | |
| CN218643674U (en) | Reinforced concrete rectangular beam containing FRP grid reinforced UHPC permanent formwork | |
| CN216714603U (en) | Combined tower section, tower and wind generating set | |
| CN212984191U (en) | Shaped steel post structure | |
| CN220100340U (en) | Superimposed sheet convenient to dismouting is maintained |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Institute of Engineering Technical Service Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2023980035197 Denomination of utility model: A type of FRP pipe steel skeleton recycled concrete hollow column Granted publication date: 20210727 License type: Common License Record date: 20230506 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Nanjing Institute of Engineering Technical Service Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2023980035197 Date of cancellation: 20240301 |