CN117027161A - UHPC inner flange Liang Ke column shell CFRP rib-steel reinforced concrete frame and construction method - Google Patents
UHPC inner flange Liang Ke column shell CFRP rib-steel reinforced concrete frame and construction method Download PDFInfo
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- CN117027161A CN117027161A CN202310822752.5A CN202310822752A CN117027161A CN 117027161 A CN117027161 A CN 117027161A CN 202310822752 A CN202310822752 A CN 202310822752A CN 117027161 A CN117027161 A CN 117027161A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 71
- 239000010959 steel Substances 0.000 title claims abstract description 71
- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 54
- 239000004918 carbon fiber reinforced polymer Substances 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 239000011150 reinforced concrete Substances 0.000 title abstract description 12
- 239000004567 concrete Substances 0.000 claims abstract description 55
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 28
- 239000004744 fabric Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 210000000998 shell membrane Anatomy 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000003733 fiber-reinforced composite Substances 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 210000002435 tendon Anatomy 0.000 description 5
- 238000009499 grossing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229920002748 Basalt fiber Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000011208 reinforced composite material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The application discloses a CFRP rib-steel reinforced concrete frame with a UHPC inner flange Liang Ke column shell and a construction method, relates to the technical field of building structure engineering, and solves the problems that an existing concrete frame structure is poor in anti-seismic performance, heavy in weight, not corrosion-resistant, inconvenient to install and poor in bearing capacity and extensibility. The application comprises two frame beams and two frame columns, wherein the two frame columns are connected through the two frame beams; the frame beam comprises Liang Kemo and a beam reinforcing structure, and the beam reinforcing structure is arranged in the Liang Kemo inner cavity; the frame column comprises a column shell mold and a column reinforcing structure, and the column reinforcing structure is arranged in the cavity inside the column shell mold; liang Kemo and the internal cavity of the column shell mould are poured with common concrete. The application combines the advantages of the UHPC shell mold, the CFRP rib material, the grid and the steel reinforced concrete structure, simplifies the preparation and the installation processes of the frame structure, reduces the overall weight of the structure, and improves the bearing capacity, the extensibility and the earthquake resistance of the frame structure.
Description
Technical Field
The application relates to the technical field of building structure engineering, in particular to a UHPC inner flange Liang Ke column shell CFRP rib-steel reinforced concrete frame and a construction method.
Background
Due to the excellent mechanical property and durability of ultra-high performance concrete (UHPC), the ultra-high performance concrete is gradually popularized and applied to main bearing components, prefabricated components and templates, the detail structure can be remarkably simplified, the structural size can be reduced, the dead weight of the structure can be further reduced, and quick construction can be realized. The UHPC prefabricated shell mold can be used as a permanent template to be put into engineering containing a semi-prefabricated test piece for application. For the frame containing the UHPC shell mold, the concrete in the core area of the frame beam, column and node area is effectively restrained due to the action of the high-strength UHPC shell, so that the earthquake resistance is improved. The UHPC shell mold with high durability can prevent the protective layer concrete from falling off, thereby solving the problems of corrosion and the like of exposed reinforcing steel bars. In the construction stage, the UHPC shell mold is used as a construction template, plays roles in supporting and shaping, avoids the working procedures of site formwork supporting, formwork removing and the like, and saves the construction cost. The shape and the structural design of the interface between the UHPC shell mold and the internal concrete greatly influence the bonding effect between the UHPC shell mold and the internal concrete, and the interface needs to be well bonded to effectively exert the stress performance of frame beams, columns and nodes.
Fiber reinforced composites (FRPs) have been widely used and paid attention to in building construction engineering, structural reinforcement, including carbon fiber reinforced Composites (CFRP), glass fiber reinforced composites (GFRP), aramid fiber reinforced composites (AFRP), basalt fiber reinforced composites (BFRP) which are commonly used fiber reinforced composites. The CFRP reinforced composite material is a light and firm material, and the CFRP reinforcement is light, high-strength and corrosion-resistant, is an excellent substitute for common reinforcement in the traditional concrete structure, and has wide application prospect. The CFRP grid is an integral grid formed by immersing carbon fibers in resin with good corrosion resistance, has good tensile property, low density and corrosion resistance, has good integral performance and also has good application prospect.
Compared with a common reinforced concrete structure, the steel reinforced concrete structure has the advantages of convenience in installation and disassembly, high bearing capacity and ductility, better anti-seismic performance and the like, reduces engineering quantity while guaranteeing strength, improves working efficiency and realizes better economic benefit.
Disclosure of Invention
The application provides a UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame and a construction method thereof, and aims to solve the problems of poor earthquake resistance, heavy weight, corrosion resistance, inconvenient installation and poor bearing capacity and extensibility of the traditional reinforced structure of the existing concrete frame structure. The application fully utilizes the advantages of high strength, high durability, easy construction and the like of the UHPC shell mold, combines the UHPC shell mold with frame beams, columns and nodes, exerts the bonding performance of the UHPC and common concrete interface, and combines the respective advantages of CFRP rib materials, grids and steel reinforced concrete structures, thereby simplifying the preparation and installation processes of the frame structure, reducing the weight of the whole structure and improving the bearing capacity, extensibility and earthquake resistance of the frame structure.
The application provides a UHPC inner flange Liang Ke column shell CFRP rib-shaped steel concrete frame, which specifically comprises two frame beams and two frame columns, wherein the two frame columns are connected through the two frame beams; the frame beam comprises Liang Kemo and a beam reinforcing structure, wherein Liang Kemo is of a U-shaped structure, the beam reinforcing structure is arranged in a cavity in Liang Kemo, a plurality of U-shaped flanges are equidistantly arranged on the inner surface of Liang Kemo, and stirrups are buried in the U-shaped flanges; a plurality of CFRP mesh fabrics are buried in the Liang Ke die body; the frame column comprises a column shell mold and a column reinforcing structure, and the column reinforcing structure is arranged in a cavity in the column shell mold; the inner surface of the column shell mold is equidistantly provided with a plurality of annular flanges, and a closed hoop is embedded in the annular flanges; a plurality of CFRP mesh fabrics are buried in the column shell mould body; and the Liang Kemo and the inner cavity of the column shell mould are poured with common concrete.
Further, the end of Liang Kemo is provided with an end plate, and Liang Kemo is connected to the column casing mold through the end plate.
Further, the stirrups are connected with a plurality of CFRP mesh fabrics embedded in the Liang Kemo body.
Still further, the frame beam also comprises a prefabricated bottom plate, and the prefabricated bottom plate is connected with the upper end of the beam shell mould.
Further, a split bolt is arranged at the upper end of the Liang Kemo.
Still further, the beam reinforcing structure comprises a beam CFRP rib framework and Liang Gongzi steel, wherein Liang Gongzi steel is arranged inside the beam CFRP rib framework and passes through the end plate and the column shell mold to be connected with the column reinforcing structure.
Still further, the post additional strengthening includes post CFRP muscle skeleton and post I-steel, and post I-steel sets up in the inside Liang Gongzi steel of post CFRP muscle skeleton and is connected.
Furthermore, vertical steel bars are buried in four corners of the column shell die body, and are connected with the closed hoops.
Still further, the closure hoop is connected to a plurality of CFRP mesh fabrics embedded within the column shell mold body.
The construction method of the UHPC inner flange Liang Ke column shell CFRP rib-shaped steel concrete frame comprises the following steps:
a. placing a beam reinforcing structure in Liang Kemo, installing a prefabricated bottom plate, and installing a column reinforcing structure in a column shell mould;
b. liang Gongzi steel passes through the end plate and the column shell mould and is connected with column I-steel;
c. connecting the end plate with the column shell mold;
d. and (5) pouring ordinary concrete in the Liang Kemo and column casing mould.
The UHPC inner flange Liang Ke column shell CFRP rib-shaped steel concrete frame and the construction method have the beneficial effects that:
(1) According to the UHPC inner flange Liang Ke column shell CFRP rib-shaped steel concrete frame and the construction method, the U-shaped flange is arranged in the beam shell membrane, the stirrups are embedded in the U-shaped flange, and the split bolts are arranged at the upper end of the beam shell membrane, so that the integral structural strength of the beam shell membrane is improved, meanwhile, the bonding effect of the UHPC and the common concrete interface is enhanced through the U-shaped flange, so that the UHPC and the common concrete interface are bonded well at the interface, and the stress performance of the frame beam can be effectively exerted;
(2) According to the UHPC inner flange Liang Ke column shell CFRP rib-shaped steel concrete frame and the construction method, the annular flange is arranged on the inner surface of the column shell film, the closed hoop is embedded in the annular flange, and the vertical steel bars are embedded in the column shell film, so that the integral structural strength of the column shell film is enhanced, meanwhile, the annular flange enhances the bonding effect of the UHPC and the common concrete interface, so that the UHPC and the common concrete interface are bonded well, and the stress performance of a frame column can be effectively exerted;
(3) According to the UHPC inner flange Liang Ke column shell CFRP rib-steel reinforced concrete frame and the construction method, the reinforced structure formed by the CFRP rib framework and the steel (I-steel) is arranged in the frame beam and the frame column, so that the bearing capacity and the extensibility of the whole structure are improved, and the service life is prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
In the drawings:
FIG. 1 is a schematic perspective view of a UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame according to the present application;
FIG. 2 is an isometric view of the Liang Ke membrane and column shell membrane connection (excluding CFRP tendon framework and plain concrete) of a UHPC inner flange Liang Ke column shell CFRP tendon-steel reinforced concrete frame according to the present application;
FIG. 3 is a top view of the Liang Ke membrane and column shell membrane connection (excluding CFRP tendon framework and plain concrete) of a UHPC inner flange Liang Ke column shell CFRP tendon-steel reinforced concrete frame according to the present application;
FIG. 4 is a cross-sectional view of Liang Kemo (excluding CFRP tendon framework and plain concrete) of a UHPC inner flange Liang Ke column shell CFRP tendon-section steel concrete frame in accordance with the present application;
fig. 5 is a cross-sectional view of a frame beam of a UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame of the application at the U-flange;
fig. 6 is a cross-sectional view of a frame beam of a UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame of the application at a non-U-flange;
fig. 7 is a cross-sectional view of a frame column of a UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame of the application at the circumferential flange;
fig. 8 is a cross-sectional view of a frame column of a UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame of the application at a non-circumferential flange;
wherein: 1-frame beam, 11-Liang Kemo, 111-stirrup, 112-U-flange, 113-beam smoothing zone, 114-split bolt hole, 115-split bolt, 116-leading stud, 117-prefabricated floor, 118-weld joint one, 119-end plate, 120-beam inner cavity, 12-beam concrete structure, 13-beam CFRP tendon framework, 14-Liang Gongzi steel, 2-frame column, 21-column shell membrane, 211-closure hoop, 212-circumferential flange, 213-column smoothing zone, 214-column inner cavity, 215-vertical rebar, 216-column weld two, 22-column concrete structure, 23-column CFRP tendon framework, 24-column i-steel, 3-CFRP grid fabric, 4-nut, 5-threaded dowel.
Detailed Description
The following describes the embodiments of the present application in further detail with reference to the accompanying drawings:
the first embodiment is as follows: the present embodiment is specifically described with reference to fig. 1 to 8. The UHPC inner flange Liang Ke column shell CFRP rib-shaped steel concrete frame specifically comprises two frame beams 1 and two frame columns 2, wherein the two frame columns 2 are connected through the two frame beams 1;
the frame beam 1 comprises Liang Kemo and a beam reinforcing structure, liang Kemo is of a U-shaped structure, and the opening position of the U-shaped structure is thickened; the beam reinforcing structure is disposed in the beam inner cavity 120 of Liang Kemo, and the beam inner cavity 120 exhibits a spaced inner convex cavity; the inner surface of Liang Kemo is provided with a plurality of vertical U-shaped flanges 112 at equal intervals, a beam smooth area 113 is arranged between two adjacent U-shaped flanges 112, and the interval between two adjacent U-shaped flanges 112 is 300mm; the section of the U-shaped flange 112 is trapezoidal; each U-shaped flange 112 is internally embedded with a stirrup 111, and the stirrup 111 is a U-shaped stirrup for improving the structural strength of the beam shell mold 11; the inner parts of the side walls of the two sides of the U-shaped structural body of Liang Kemo are also embedded with a plurality of CFRP mesh fabrics 3, and the CFRP mesh fabrics 3 are welded with a plurality of stirrups 111 through a plurality of welding points 118; liang Kemo 11 has a thickness of 35mm at the U-shaped flange 112 and 20mm at the smooth zone 113;
the frame column 2 comprises a column shell mold 21 and a column reinforcing structure, wherein the column reinforcing structure is arranged in a column inner cavity 214 of the column shell mold 21, and the column inner cavity 214 is a space inner convex cavity; the inner surface of the column shell mold 21 is equidistantly provided with a plurality of annular flanges 212, a column smooth area 213 is arranged between two adjacent annular flanges 212, the interval between the two adjacent annular flanges 212 is 300mm, and spaced annular mold ribs are formed; the section of the annular flange 212 is trapezoidal; a closure hoop 211 is embedded inside each circumferential flange 212; the four side walls of the column shell mold 21 body are embedded with a plurality of CFRP mesh fabrics 3, and the CFRP mesh fabrics 3 are welded with a plurality of closed hoops 211 through a plurality of welding points II 216; the thickness of the column shell mold 21 at the circumferential flange 212 is 35mm and at the smooth zone 213 is 20mm;
the beam interior cavity 120 and the column interior cavity 214 have plain concrete poured therein to form the beam concrete structure 12 and the column concrete structure 22.
The end of the Liang Kemo is provided with an end plate 119, liang Kemo, and the end plate 119 is connected with the column shell mold 21; the end plate 119 is provided with a plurality of through holes, and a plurality of threaded dowel bars 5 are buried in the outer surface of the column shell mold 21 connected with the end plate 119, and the threaded dowel bars 5 penetrate through the through holes in the end plate 119 and are matched with the nuts 4, so that the Liang Kemo and the column shell mold 21 are connected together.
The frame beam 1 further comprises a prefabricated bottom plate 117, and the prefabricated bottom plate 117 is connected with the upper end of the Liang Kemo through inverted pegs 116; the inverted peg 116 is pre-embedded in the region corresponding to the beam smoothing region 113 at the upper end of the Liang Kemo body U-shaped structure.
A split bolt hole 114 with the diameter of 10mm is reserved at the position of the upper end of the Liang Kemo corresponding to the U-shaped flange 112, a split bolt 115 is arranged in the split bolt hole 114, and the upper end of the beam shell mold 11 is restrained through the split bolt 115; because the stirrup 111 is buried in the U-shaped flange 112, the split bolts 115 and the stirrup 111 are staggered to avoid interference; the split bolt 115 has a diameter of 8mm.
The beam reinforcement structure includes a beam CFRP rib skeleton 13 and Liang Gongzi steel 14, liang Gongzi steel 14 is disposed inside the beam CFRP rib skeleton 13, and is connected with the column reinforcement structure through an end plate 119 and a column shell mold 21.
The column reinforcing structure comprises a column CFRP rib framework 23 and column I-steel 24, wherein the column I-steel 24 is arranged in the column CFRP rib framework 23 and is connected with Liang Gongzi steel 14 in a welding mode; the column CFRP rib skeleton 23 is broken at the place where the Liang Gongzi steel 14 passes through, so that interference between the column CFRP rib skeleton and the column CFRP rib skeleton is avoided.
Vertical steel bars 215 are further buried at four corners of the column casing mold 21 body, and the vertical steel bars 215 are connected with the closing hoop 211, as shown in fig. 7.
The construction method of the UHPC inner flange Liang Ke column shell CFRP rib-shaped steel concrete frame comprises the following steps:
a. the method comprises the steps of placing a bound beam reinforcing structure in a beam inner cavity 120 of a beam shell mold 11, installing split bolts 115, installing a prefabricated bottom plate 117 on the beam shell mold 11 through inverted bolts 116, and placing a bound column reinforcing structure in a column inner cavity 214 of a column shell mold 21;
b. the Liang Gongzi steel 14 is passed through the end plate 119 and the column shell mold 21 and connected with the column I-steel 24;
c. abutting the through hole on the end plate 119 with the pre-buried threaded dowel bar 5 on the column shell mold 21, and connecting the end plate 119 with the column shell mold 21;
d. and (5) pouring ordinary concrete into the Liang Kemo and column shell mould 21, curing and forming, and achieving the design strength.
According to the UHPC inner flange Liang Ke column shell CFRP rib-shaped steel concrete frame and the construction method, the U-shaped flange 112 is arranged in the beam shell membrane 11, the stirrup 111 is embedded in the U-shaped flange 112, and the split bolt 115 is arranged at the upper end of the beam shell membrane 11, so that the integral structural strength of the beam shell membrane 11 is improved, meanwhile, the bonding effect of the UHPC and the common concrete interface is enhanced through the U-shaped flange 112, so that the two are bonded well at the interface, and the stress performance of the beam can be effectively exerted; according to the UHPC inner flange Liang Ke column shell CFRP rib-shaped steel concrete frame and the construction method, the annular flange 212 is arranged on the inner surface of the column shell film 21, the closing hoop 211 is embedded in the annular flange 211, and the vertical reinforcing steel bars 215 are embedded in the column shell film 21, so that the integral structural strength of the column shell film 21 is enhanced, meanwhile, the annular flange 211 enhances the bonding effect of the UHPC and the common concrete interface, so that the UHPC and the common concrete interface are bonded well, and the stress performance of a frame column can be effectively exerted; according to the UHPC inner flange Liang Ke column shell CFRP rib-steel reinforced concrete frame and the construction method, the reinforced structure formed by the CFRP rib framework and the steel (I-steel) is arranged in the frame beam 1 and the frame column 2, so that the bearing capacity and the extensibility of the whole structure are improved, and the service life is prolonged.
The above specific embodiments are used for further detailed description of the objects, technical solutions and advantageous effects of the present application. It should be understood that the foregoing description is only a specific example of the present application, and is not intended to limit the application, but rather is a reasonable combination of features described in the foregoing embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the present application are intended to be included within the scope of the present application.
Claims (10)
1. The utility model provides a UHPC internal flange roof beam shell CFRP muscle-shaped steel concrete frame which characterized in that: the frame comprises two frame beams (1) and two frame columns (2), wherein the two frame columns (2) are connected through the two frame beams (1);
the frame beam (1) comprises Liang Kemo (11) and a beam reinforcing structure, wherein Liang Kemo (11) is of a U-shaped structure, the beam reinforcing structure is arranged in a cavity in Liang Kemo (11), a plurality of U-shaped flanges (112) are equidistantly arranged on the inner surface of Liang Kemo (11), and stirrups (111) are buried in the U-shaped flanges (112); liang Kemo (11) is embedded with a plurality of CFRP mesh fabrics (3);
the frame column (2) comprises a column shell mold (21) and a column reinforcing structure, wherein the column reinforcing structure is arranged in an inner cavity of the column shell mold (21); a plurality of annular flanges (212) are equidistantly arranged on the inner surface of the column shell mold (21), and a closing hoop (211) is embedded in the annular flanges (212); a plurality of CFRP mesh fabrics (3) are buried in the column shell mold (21) body;
and the internal cavities of the Liang Kemo (11) and the column shell mould (21) are poured with common concrete.
2. The UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame of claim 1 wherein: an end plate (119) is arranged at the end of the Liang Kemo (11), and the Liang Kemo (11) is connected with the column shell mold (21) through the end plate (119).
3. The UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame of claim 1 wherein: the stirrups (111) are connected with a plurality of CFRP mesh fabrics (3) embedded in the Liang Kemo (11) body.
4. The UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame of claim 1 wherein: the frame beam (1) further comprises a prefabricated bottom plate (117), and the prefabricated bottom plate (117) is connected with the upper end of the Liang Kemo (11).
5. The UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame of claim 1 wherein: the upper end of the Liang Kemo (11) is provided with a split bolt (115).
6. The UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame of claim 1 wherein: the beam reinforcing structure comprises a beam CFRP rib framework (13) and Liang Gongzi steel (14), wherein Liang Gongzi steel (14) is arranged inside the beam CFRP rib framework (13) and penetrates through an end plate (119) and a column shell mold (21) to be connected with the column reinforcing structure.
7. The UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame of claim 6 wherein: the column reinforcing structure comprises a column CFRP rib framework (23) and column I-steel (24), wherein the column I-steel (24) is arranged inside the column CFRP rib framework (23) and is connected with Liang Gongzi steel (14).
8. The UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame of claim 1 wherein: vertical steel bars (215) are further buried at four corners of the column shell mould (21) body, and the vertical steel bars (215) are connected with the closed hoop (211).
9. The UHPC inner flange Liang Ke column shell CFRP rib-section steel concrete frame of claim 1 wherein: the closing hoop (211) is connected with a plurality of CFRP mesh fabrics (3) embedded in the column casing mould (21) body.
10. A construction method of a UHPC inner flange Liang Ke column shell CFRP rib-type steel concrete frame by adopting any one of claims 1 to 9, which is characterized by comprising the following steps: the method comprises the following steps:
a. a beam reinforcing structure is arranged in the Liang Kemo (11) and a prefabricated base plate (117) is arranged, and a column reinforcing structure is arranged in a column shell mould (21);
b. the Liang Gongzi steel (14) passes through the end plate (119) and the column shell mould (21) and is connected with the column I-steel (24);
c. connecting the end plate (119) with the column shell mold (21);
d. and casting ordinary concrete in the Liang Kemo (11) and the column shell mould (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310822752.5A CN117027161A (en) | 2023-07-06 | 2023-07-06 | UHPC inner flange Liang Ke column shell CFRP rib-steel reinforced concrete frame and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310822752.5A CN117027161A (en) | 2023-07-06 | 2023-07-06 | UHPC inner flange Liang Ke column shell CFRP rib-steel reinforced concrete frame and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117027161A true CN117027161A (en) | 2023-11-10 |
Family
ID=88626988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310822752.5A Pending CN117027161A (en) | 2023-07-06 | 2023-07-06 | UHPC inner flange Liang Ke column shell CFRP rib-steel reinforced concrete frame and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117027161A (en) |
-
2023
- 2023-07-06 CN CN202310822752.5A patent/CN117027161A/en active Pending
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