CN114412070A - Stirrup structure of steel structure stiffening column and construction method thereof - Google Patents
Stirrup structure of steel structure stiffening column and construction method thereof Download PDFInfo
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- CN114412070A CN114412070A CN202210203046.8A CN202210203046A CN114412070A CN 114412070 A CN114412070 A CN 114412070A CN 202210203046 A CN202210203046 A CN 202210203046A CN 114412070 A CN114412070 A CN 114412070A
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- 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
- E04C5/0627—Three-dimensional reinforcements composed of a prefabricated reinforcing mat combined with reinforcing elements protruding out of the plane of the mat
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/36—Columns; Pillars; Struts of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/166—Connectors or means for connecting parts for reinforcements the reinforcements running in different directions
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- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a stirrup structure of a steel structure stiff column and a construction method thereof, wherein the stirrup structure comprises column section steel (1), a column main rib (2), a column stirrup component, a support plate (5), a first connecting piece (8), beam section steel (9), a beam stirrup (10), a stirrup (11) and a second connecting piece (12); a plurality of column main reinforcements are circumferentially arranged on the periphery of the outer side of the column section steel, and the column main reinforcements and the column section steel are arranged in parallel; the column stirrup assembly is connected through a support plate to form a closed hoop and is circumferentially arranged on the outer sides of the plurality of column main reinforcements to form a column section steel closed hoop; the two beam section steels are vertically connected to two sides of the column section steel, a plurality of stirrups are arranged at the tops and the bottoms of the two beam section steels, and the stirrups penetrate through the column section steel; a plurality of beam stirrups connect into the closed loop and circumference setting in the outside of stirrup and beam shaped steel through first connecting piece and second connecting piece head and the tail, form beam shaped steel closed hoop. The method can improve the stirrup construction efficiency of the steel structure stiff column and reduce the manual operation amount.
Description
Technical Field
The invention relates to a building structure and a construction method thereof, in particular to a stirrup structure of a steel structure stiff column and a construction method thereof.
Background
The construction is a production movement performed by people to construct various building products in a certain space and time according to a specific design blueprint by using various building materials and mechanical equipment. The method comprises the whole production process from construction preparation, earth breaking and engineering completion acceptance. In the process, construction preparation, construction organization design and management, earthwork engineering, blasting engineering, foundation engineering, reinforcing steel bar engineering, template engineering, scaffold engineering, concrete engineering, prestressed concrete engineering, masonry engineering, steel structure engineering, wood structure engineering, structure installation engineering and the like are carried out.
In the building engineering, the stirrup structure of the steel structure stiff column comprises four-limb closed hoops in two directions, and at present, the construction method of the stirrup structure of the steel structure stiff column comprises the following steps: during construction, the stirrups are bent into a U shape and penetrate through the web plate of the stiff column, and then the stirrups are welded into a closed whole. The stirrup structure of the steel structure stiff column in the prior art is complex in manufacturing method, high in difficulty, large in number of stirrups, huge in stirrup welding amount, high in labor cost and low in working efficiency, and the construction period is seriously influenced.
Disclosure of Invention
The invention aims to provide a stirrup structure of a steel structure stiff column and a construction method thereof, which can improve the stirrup construction efficiency of the steel structure stiff column and reduce the manual operation amount.
The invention is realized by the following steps:
a stirrup structure of a steel structure stiffening column comprises column section steel, a column main reinforcement, a column stirrup assembly, a support plate, a first connecting piece, beam section steel, a beam stirrup, a stirrup and a second connecting piece; a plurality of column main reinforcements are circumferentially arranged on the periphery of the outer side of the column section steel, and the column main reinforcements are arranged in parallel with the column section steel; the column stirrup assembly is connected through a support plate to form a closed hoop and is circumferentially arranged on the outer sides of the plurality of column main reinforcements to form a column section steel closed hoop; the two beam section steels are respectively and vertically connected to two sides of the column section steel, a plurality of stirrups are respectively arranged at the top and the bottom of the two beam section steels, and the stirrups penetrate through the column section steel; a plurality of beam stirrups connect into the closed loop and circumference setting in the outside of stirrup and beam shaped steel through first connecting piece and second connecting piece head and the tail, form beam shaped steel closed hoop.
The support plate comprises a first bearing plate and a second bearing plate, and the first bearing plate and the second bearing plate are connected into an L-shaped integrated structure; a plurality of first round holes are formed on the first bearing plate, and a plurality of second round holes are formed on the second bearing plate; the column stirrup assembly can run through the first bearing plate through the first round hole, and the column stirrup assembly can run through the second bearing plate through the second round hole.
The column hoop component comprises a first column hoop and a second column hoop, a pair of first column hoops are arranged in front of and behind the column profile steel relatively, and a pair of second column hoops are arranged on two sides of the column profile steel relatively; the two ends of the first column stirrup penetrate through the first bearing plate through the first round holes respectively, and the two ends of the second column stirrup penetrate through the second bearing plate through the second round holes respectively.
The first connecting piece comprises a first lantern ring, a first fixing block, a second lantern ring and a spiral connecting strip; the first sleeve ring is connected with the second sleeve ring through a first fixing block to form an L-shaped structure, the first sleeve ring and the second sleeve ring are internally provided with a spiral connecting strip, the end parts of two beam stirrups can be respectively in rotary splicing with the first sleeve ring and the second sleeve ring through the spiral connecting strip, so that the two adjacent beam stirrups are vertically connected through a first connecting piece;
two shaft grooves are formed in the first fixing block, connecting shafts are formed at the end portions of the first lantern ring and the second lantern ring respectively, the first lantern ring can be movably connected with the first fixing block through the connecting shafts through one of the shaft grooves, and the second lantern ring can be movably connected with the first fixing block through the connecting shafts through the other shaft groove.
The second connecting piece comprises a third lantern ring, a bearing cylinder, a second fixing block and a spiral connecting strip; the third sleeve is connected with the bearing cylinder through a second fixing block to form an L-shaped structure, the spiral connecting strip is arranged in the third sleeve, the end part of the beam stirrup can be in rotary insertion connection with the third sleeve through the spiral connecting strip, the top of the bearing cylinder is provided with an opening, and the end part of the beam stirrup can be in insertion connection with the bearing cylinder, so that two adjacent beam stirrups are vertically connected through a second connecting piece;
two shaft grooves are formed in the second fixing block, connecting shafts are formed in the end portions of the third lantern ring and the bearing cylinder respectively, the third lantern ring can be movably connected with the second fixing block through the connecting shaft through one shaft groove, and the bearing cylinder can be movably connected with the second fixing block through the connecting shaft through the other shaft groove.
A construction method of a stirrup structure of a steel structure stiffness column comprises the following steps:
step 1: laying column section steel according to a construction drawing, laying a plurality of column main ribs around the column section steel, and respectively laying support plates outside each corner of the column section steel;
step 2: arranging column stirrup assemblies in front of and behind the plurality of column main reinforcements through support plates, and welding and fixing the column stirrup assemblies on the plurality of column main reinforcements;
and step 3: beam section steel is respectively arranged on two sides of the column section steel, and stirrups are arranged at the top and the bottom of the beam section steel so as to penetrate through the column section steel;
and 4, step 4: the beam stirrups are connected end to end through the first connecting piece and the second connecting piece to form a closed ring and are circumferentially arranged on the outer sides of the stirrups and the beam section steel to form a beam section steel closed hoop;
and 5: and (2) arranging column stirrup assemblies on two sides of the plurality of column main ribs through support plates, welding and fixing the column stirrup assemblies on the plurality of column main ribs, and forming a column type steel closed hoop by the column stirrup assemblies and the column stirrup assemblies in the step 2 through the support plates.
The step 2 comprises the following sub-steps:
step 2.1: the column stirrup assembly comprises a first column stirrup, the first column stirrup is respectively arranged in front of and behind the column section steel, and the first column stirrup is vertically positioned on the outer side of the plurality of column main reinforcements;
step 2.2: the support plate comprises a first bearing plate, and a first round hole is formed in the first bearing plate; the two ends of the first column stirrup penetrate through the first bearing plate through the first round holes respectively, and the first column stirrup is welded and fixed with the contact parts of the plurality of column main reinforcements.
The step 4 comprises the following sub-steps:
step 4.1: arranging a beam stirrup on a stirrup at the top of the beam section steel to ensure that the beam stirrup is vertical to the stirrup;
step 4.2: connecting two ends of the beam stirrup arranged in the step 4.1 with first connecting pieces respectively;
step 4.3: the two first connecting pieces are respectively connected with beam stirrups, so that the two beam stirrups are positioned in front of and behind the beam profile steel;
step 4.4: the bottoms of the two beam stirrups arranged in the step 4.3 are respectively connected with a second connecting piece;
step 4.5: inserting beam stirrups between the two second connecting pieces to enable the beam stirrups to be vertically positioned below the stirrups at the bottom of the beam profile steel, wherein the four beam stirrups form a beam profile steel closed hoop through the two first connecting pieces and the two second connecting pieces;
step 4.6: and welding and fixing the contact part of the beam stirrup and the stirrup.
In the step 4.2, the end part of the beam hoop is inserted into the first collar of the first connecting piece, and the spiral connecting strip in the first collar is spirally wound on the beam hoop;
in the step 4.3, the end part of the beam stirrup is inserted into the second sleeve of the first connecting piece, and the spiral connecting strip in the second sleeve is spirally wound on the beam stirrup;
in the step 4.4, the end part of the beam stirrup is inserted into a third sleeve of the second connecting piece, and the spiral connecting strip in the third sleeve is spirally wound on the beam stirrup;
and 4.5, inserting the end part of the beam stirrup into the bearing cylinder of the second connecting piece.
The step 5 comprises the following sub-steps:
step 5.1: the column stirrup assembly comprises second column stirrups, the second column stirrups are respectively arranged on two sides of the column steel, and the second column stirrups are vertically positioned on the outer sides of the plurality of column main reinforcements;
step 5.2: the support plate comprises a second bearing plate, and a second round hole is formed in the second bearing plate; and two ends of the second column stirrup penetrate through the second bearing plate through second round holes respectively, and the contact parts of the second column stirrup and the plurality of column main reinforcements are welded and fixed.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the first column stirrups and the second column stirrups are connected by the integrated support plate formed by the first bearing plate and the second bearing plate, so that the pair of first column stirrups and the pair of second column stirrups are connected into the closed column steel closed hoop, the steel bars do not need to be bent into a U shape and welded into a closed structure, and only the column steel closed hoop and the column main reinforcement need to be welded, so that the construction efficiency of the column stirrup structure is greatly improved, the construction period is ensured, the manual welding operation amount is reduced, the assembly and disassembly are convenient, and the column stirrups are suitable for column section steels with different sizes; simultaneously, the load capacity of first bearing plate and second bearing plate is strong, is favorable to improving the structural strength of cylinder.
2. According to the invention, the beam stirrups are connected into the closed beam section steel closed hoop by the first connecting piece and the second connecting piece, the steel bars do not need to be bent into a U shape and welded into a closed structure, and the beam section steel closed hoop only needs to be welded with the stirrups on the beam section steel, so that the construction efficiency of the beam stirrup structure is greatly improved, the construction period is ensured, the manual welding workload is reduced, the disassembly and the assembly are convenient, and the beam section steel closed hoop can be suitable for beam section steels with different sizes.
3. The beam-shaped steel closed hoop structure formed by the beam stirrups is stable and easy to install because the spiral connecting strips are screwed and screwed with the beam stirrups and the beam stirrups are placed through the bearing cylinder with the opening at the top, so that the overall stability of the stirrup structure can be maintained on the basis of improving the construction efficiency, and the beam-shaped steel closed hoop structure is favorable for popularization and use in building engineering.
Drawings
FIG. 1 is a front view of the stirrup structure of the steel structural stiffening column of the present invention;
FIG. 2 is a top view of the stirrup structure of the steel structural stiffening column of the present invention;
FIG. 3 is a cross-sectional view of a support plate in the stirrup structure of a steel structural stiffening column of the present invention;
FIG. 4 is a cross-sectional view of a first connector in the stirrup structure of the steel structural stiffening column of the present invention;
fig. 5 is a cross-sectional view of a second connector in the stirrup structure of the steel structural stiffness column of the present invention.
In the figure, 1, column steel; 2. a column main rib; 3. a first column stirrup; 4. a first bearing plate; 5. a support plate; 6. a second bearing plate; 7. a second column stirrup; 8. a first connecting member; 9. beam section steel; 10. a beam stirrup; 11. hooping; 12. a second connecting member; 13. a first circular hole; 14. a second circular hole; 15. a first collar; 16. a first fixed block; 17. a connecting shaft; 18. a second collar; 19. a third collar; 20. a receiving cylinder; 21. a second fixed block; 22. and (4) spirally connecting the strips.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1 and 2, a stirrup structure of a steel-structured rigid column includes a column section steel 1, a column main reinforcement 2, a column stirrup assembly, a support plate 5, a first connecting member 8, a beam section steel 9, a beam stirrup 10, a stirrup 11 and a second connecting member 12; a plurality of column main ribs 2 are circumferentially arranged around the outer side of the column section steel 1, and the column main ribs 2 are arranged in parallel with the column section steel 1; the column stirrup components are connected through a support plate 5 to form a closed hoop and are circumferentially arranged on the outer sides of the plurality of column main stirrups 2 to form a column section steel closed hoop; the two beam section steels 9 are respectively and vertically connected to two sides of the column section steel 1, the plurality of stirrups 11 are respectively arranged at the top and the bottom of the two beam section steels 9, and the plurality of stirrups 11 penetrate through the column section steel 1; a plurality of beam stirrups 10 are connected end to end through a first connecting piece 8 and a second connecting piece 12 to form a closed ring and are circumferentially arranged on the outer sides of the stirrups 11 and the beam section steel 9 to form the beam section steel closed hoop. Through the 5 activity of extension board plug-in post stirrup subassemblies, through first connecting piece 8 and the 12 activity plug-in beam stirrup 10 of second connecting piece, avoided a large amount of welding jobs when construction roof beam, post stirrup structure, greatly reduced the work load of construction, and guaranteed the intensity of stirrup structure.
Referring to fig. 3, the support plate 5 includes a first support plate 4 and a second support plate 6, and the first support plate 4 and the second support plate 6 are connected to form an L-shaped integral structure; a plurality of first round holes 13 are formed on the first bearing plate 4, and a plurality of second round holes 14 are formed on the second bearing plate 6; the column stirrup assembly can run through the first bearing plate 4 through the first round hole 13, and the column stirrup assembly can run through the second bearing plate 6 through the second round hole 14. Bear the weight of post stirrup subassembly through first bearing plate 4 and second bearing plate 6, guarantee the wholeness and the structural strength of the stirrup structure of post shaped steel 1.
Referring to fig. 1 and 2, the column stirrup assembly includes a first column stirrup 3 and a second column stirrup 7, wherein a pair of first column stirrups 3 are oppositely arranged in front of and behind the column steel 1, and a pair of second column stirrups 7 are oppositely arranged on two sides of the column steel 1; the two ends of the first column stirrup 3 respectively penetrate through the first bearing plate 4 through the first round holes 13, and the two ends of the second column stirrup 7 respectively penetrate through the second bearing plate 6 through the second round holes 14. Through first round hole 13 and the wearing to establish of first post stirrup 3 and second post stirrup 7 of being convenient for through first round hole 14, easy dismounting, the flexibility is high, and is higher to the size adaptability of post shaped steel 1.
Referring to fig. 4, the first connecting member 8 includes a first collar 15, a first fixing block 16, a second collar 18 and a screw connecting bar 22; the first collar 15 is connected with the second collar 18 through the first fixing block 16 to form an L-shaped structure, the first collar 15 and the second collar 18 are internally provided with the spiral connecting strips 22, and the end parts of the two beam stirrups 10 can be rotatably connected with the first collar 15 and the second collar 18 through the spiral connecting strips 22 respectively, so that the two adjacent beam stirrups 10 are vertically connected through the first connecting piece 8. Through first lantern ring 15 and second lantern ring 18 through the activity grafting of spiral connecting strip 22 with roof beam stirrup 10, easy dismounting, the flexibility is high, and is higher to the size adaptability of beam-type steel 9.
Two shaft grooves (not shown in the figure) are formed on the first fixing block 16, and connecting shafts 17 are respectively formed at the end parts of the first sleeve ring 15 and the second sleeve ring 18, so that the first sleeve ring 15 can be movably inserted into the first fixing block 16 through one shaft groove through the connecting shafts 17, and the second sleeve ring 18 can be movably inserted into the first fixing block 16 through the other shaft groove through the connecting shafts 17. The first sleeve ring 15 and the second sleeve ring 18 are convenient to disassemble and assemble through the connecting shaft 17 and the first fixing block 16, can be flexibly combined and are convenient and quick to use.
Referring to fig. 5, the second connecting member 12 includes a third collar 19, a receiving tube 20, a second fixing block 21 and a spiral connecting strip 22; the third collar 19 is connected with a bearing cylinder 20 through a second fixing block 21 to form an L-shaped structure, the spiral connecting strip 22 is arranged in the third collar 19, the end part of the beam stirrup 10 can be rotatably spliced with the third collar 19 through the spiral connecting strip 22, the top of the bearing cylinder 20 is open, the end part of the beam stirrup 10 can be spliced in the bearing cylinder 20, and two adjacent beam stirrups 10 are vertically connected through the second connecting piece 12. Through the activity grafting of third lantern ring 19 through spiral connecting strip 22 with roof beam stirrup 10, accept a section of thick bamboo 20 open-top, the putting into of the roof beam stirrup 10 of being convenient for, easy dismounting, the flexibility is high, and is higher to the size adaptability of roof beam shaped steel 9.
Preferably, the spiral connecting strip 22 may be made of a rubber material, and the spiral connecting strip 22 is stretched to form a spiral structure similar to a spring, and may be used to be in close contact with the surface of the beam stirrup 10, so as to ensure the insertion stability of the beam stirrup 10 in the first collar 15, the second collar 18, and the third collar 19.
Two shaft grooves (not shown in the figure) are formed on the second fixing block 21, and the connecting shafts 17 are respectively formed at the end parts of the third collar 19 and the receiving cylinder 20, so that the third collar 19 can be movably inserted into the second fixing block 21 through one shaft groove by the connecting shafts 17, and the receiving cylinder 20 can be movably inserted into the second fixing block 21 through the other shaft groove by the connecting shafts 17. The third lantern ring 19 is convenient to disassemble and assemble through the connecting shaft 17 and the second fixing block 21, can be flexibly combined and is convenient and fast to use.
Referring to fig. 1 to 5, a construction method of a stirrup structure of a steel structure stiff column includes the following steps:
step 1: the method comprises the following steps of laying the columnar section steel 1 according to a construction drawing, laying a plurality of column main reinforcements 2 around the columnar section steel 1, and laying support plates 5 on the outer sides of corners of the columnar section steel 1 respectively.
Preferably, four rows of column main ribs 2 can be respectively distributed in the front, the rear, the left side and the right side of the column section steel 1, and the number of each row of column main ribs 2 can be adjusted according to the size of the column section steel 1; the number of the support plates 5 is four, and the support plates are used for supporting the first column stirrups 3 and the second column stirrups 7 of the column stirrup assembly.
Step 2: and column stirrup assemblies are arranged in front of and behind the plurality of column main reinforcements 2 through the support plates 5 and are welded and fixed on the plurality of column main reinforcements 2.
The step 2 comprises the following sub-steps:
step 2.1: first column stirrups 3 are respectively arranged in front of and behind the column-shaped steel 1, and the first column stirrups 3 are vertically positioned on the outer sides of the plurality of column main reinforcements 2.
Step 2.2: two ends of the first column stirrup 3 penetrate through the first bearing plate 4 of the support plate 5 through the first round holes 13 respectively, and the contact parts of the first column stirrup 3 and the plurality of column main reinforcements 2 are welded and fixed.
Preferably, the quantity of first post stirrup 3 can be according to the height and the structural design intensity adjustment of post shaped steel 1, and the quantity and the pitch-row of first round hole 13 are unanimous with the quantity and the setting interval of first post stirrup 3 on first bearing plate 4. And (5) repeating the step 2.1 to the step 2.2 to finish the arrangement of all the first column stirrups 3.
And step 3: the beam section steel 9 is respectively arranged on two sides of the column section steel 1, and the stirrups 11 are arranged at the top and the bottom of the beam section steel 9, so that the stirrups 11 penetrate through the column section steel 1.
Preferably, the number of the stirrups 11 is adjusted according to design requirements, the arrangement of the stirrups 11 is constructed by adopting the existing process according to construction drawings, and the details are not repeated here.
And 4, step 4: the beam stirrups 10 are connected end to end through the first connecting piece 8 and the second connecting piece 12 to form a closed ring and are circumferentially arranged on the outer sides of the stirrups 11 and the beam section steel 9 to form the beam section steel closed hoop.
The step 4 comprises the following sub-steps:
step 4.1: the beam stirrup 10 is arranged on the stirrup 11 at the top of the beam section steel 9, so that the beam stirrup 10 is perpendicular to the stirrup 11.
Step 4.2: the two ends of the beam stirrup 10 arranged in step 4.1 are connected to the first connecting piece 8.
In step 4.2, the end of the beam stirrup 10 is inserted into the first sleeve 15 of the first connecting member 8, and the spiral connecting strip 22 is spirally wound around the beam stirrup 10.
Step 4.3: the two first connecting members 8 are connected to beam stirrups 10, respectively, such that the two beam stirrups 10 are located in front of and behind the beam profile 9.
In said step 4.3, the end of the beam stirrup 10 is inserted into the second sleeve 18 of the first connecting member 8, and the screw connection strip 22 is screwed around the beam stirrup 10.
Step 4.4: the bottoms of the two beam stirrups 10 arranged in step 4.3 are each connected to a second connecting piece 12.
In said step 4.4, the end of the beam stirrup 10 is inserted into the third collar 19 of the second connection member 12, and the helical connection strip 22 is helically wound around the beam stirrup 10.
Preferably, the ends of the beam stirrup 10 are threaded so that the beam stirrup 10 can be screwed to the screw connection strips 22, thereby facilitating the screwing connection of the first collar 15, the second collar 18 and the third collar 19 to the beam stirrup 10.
Step 4.5: the beam stirrups 10 are inserted between the two second connecting pieces 12, so that the beam stirrups 10 are vertically positioned below the stirrups 11 at the bottom of the beam profile steel 9, and the four beam stirrups 10 form a beam profile steel closed hoop through the two first connecting pieces 8 and the two second connecting pieces 12.
In step 4.5, the end of the beam stirrup 10 is inserted into the receiving cylinder 20 of the second connecting member 12.
Preferably, the quantity and the setting interval of beam-shaped steel closed hoops can be adjusted according to design requirements and actual construction conditions.
Step 4.6: and welding and fixing the contact part of the beam stirrup 10 and the stirrup 11. The beam section steel closed hoop provides reliable fixation for the beam section steel 9 and the stirrups 11, and the step 4.1 to the step 4.6 are repeated to complete the layout of all the beam section steel closed hoops.
And 5: the column stirrup assemblies are arranged on two sides of the plurality of column main reinforcements 2 through the support plates 5 and are welded and fixed on the plurality of column main reinforcements 2, and the column stirrup assemblies in the step 2 form a column type steel closed hoop through the support plates 5, namely, a pair of first column stirrups 3 and a pair of second column stirrups 7 form the column type steel closed hoop of a rectangular structure through the four support plates 5.
The step 5 comprises the following sub-steps:
step 5.1: and second column stirrups 7 are respectively arranged on two sides of the column-shaped steel 1, and the second column stirrups 7 are vertically positioned on the outer sides of the plurality of column main reinforcements 2. Care should be taken to avoid interference with the stirrup 11 when laying the second stirrup 7.
Step 5.2: two ends of the second column hoop 7 penetrate through the second bearing plate 6 of the support plate 5 through the second round holes 14 respectively, and the contact parts of the second column hoop 7 and the plurality of column main reinforcements 2 are welded and fixed.
Preferably, the number of the second column stirrups 7 can be adjusted according to the height and structural design strength of the column section steel 1, and the number and pitch of the second round holes 14 on the second bearing plate 6 are consistent with the number and arrangement pitch of the second column stirrups 7; the number and the setting interval of the second column stirrups 7 are consistent with those of the first column stirrups 3. And (5) repeating the step 5.1 to the step 5.2 to finish the arrangement of all the second column stirrups 7.
The column section steel 1 and the beam section steel 2 can be made of existing section steel, and the specifications of the column section steel and the beam section steel can be determined according to construction drawings; the column main reinforcement 2, the first column stirrup 3, the second column stirrup 7, the beam stirrup 10 and the stirrup 11 can be made of steel bars; the first bearing plate 4 and the second bearing plate 6 can be made of steel plates; the first collar 15, the second collar 18, the third collar 19 and the receiving barrel 20 can be made of steel sleeves or steel pipes; the first fixing block 16, the connecting shaft 17 and the second fixing block 21 can be made of block-shaped steel.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a stirrup structure of steel construction strength nature post which characterized by: the steel column comprises column section steel (1), column main reinforcements (2), a column stirrup assembly, a support plate (5), a first connecting piece (8), beam section steel (9), beam stirrups (10), stirrups (11) and a second connecting piece (12); a plurality of column main reinforcements (2) are circumferentially arranged on the periphery of the outer side of the column section steel (1), and the column main reinforcements (2) are arranged in parallel with the column section steel (1); the column stirrup components are connected through a support plate (5) to form a closed hoop and are circumferentially arranged on the outer sides of the plurality of column main stirrups (2) to form a column section steel closed hoop; the two beam section steels (9) are respectively and vertically connected to two sides of the column section steel (1), a plurality of stirrups (11) are respectively arranged at the tops and the bottoms of the two beam section steels (9), and the stirrups (11) penetrate through the column section steel (1); a plurality of beam stirrups (10) are connected end to end through a first connecting piece (8) and a second connecting piece (12) to form a closed ring and are circumferentially arranged on the outer sides of the stirrups (11) and the beam section steel (9) to form the beam section steel closed hoop.
2. The stirrup structure for a steel structural stiffening column according to claim 1, characterized by: the support plate (5) comprises a first bearing plate (4) and a second bearing plate (6), and the first bearing plate (4) and the second bearing plate (6) are connected into an L-shaped integrated structure; a plurality of first round holes (13) are formed on the first bearing plate (4), and a plurality of second round holes (14) are formed on the second bearing plate (6); the column stirrup assembly can run through the first bearing plate (4) through the first round hole (13), and the column stirrup assembly can run through the second bearing plate (6) through the second round hole (14).
3. The stirrup structure for a steel structural stiffening column as set forth in claim 2, wherein: the column hoop component comprises a first column hoop (3) and a second column hoop (7), the pair of first column hoops (3) are arranged in front of and behind the column profile steel (1) oppositely, and the pair of second column hoops (7) are arranged on two sides of the column profile steel (1) oppositely; the two ends of the first column hoop (3) penetrate through the first bearing plate (4) through the first round holes (13) respectively, and the two ends of the second column hoop (7) penetrate through the second bearing plate (6) through the second round holes (14) respectively.
4. The stirrup structure for a steel structural stiffening column according to claim 1, characterized by: the first connecting piece (8) comprises a first lantern ring (15), a first fixing block (16), a second lantern ring (18) and a spiral connecting strip (22); the first lantern ring (15) is connected with the second lantern ring (18) through a first fixing block (16) to form an L-shaped structure, spiral connecting strips (22) are arranged in the first lantern ring (15) and the second lantern ring (18), the end parts of two beam stirrups (10) can be rotatably inserted into the first lantern ring (15) and the second lantern ring (18) through the spiral connecting strips (22), and two adjacent beam stirrups (10) are vertically connected through a first connecting piece (8);
two shaft grooves are formed in the first fixing block (16), connecting shafts (17) are formed in the end portions of the first lantern ring (15) and the second lantern ring (18) respectively, the first lantern ring (15) can be movably connected with the first fixing block (16) through the connecting shafts (17) through one of the shaft grooves in an inserting mode, and the second lantern ring (18) can be movably connected with the first fixing block (16) through the connecting shafts (17) through the other shaft groove in an inserting mode.
5. The stirrup structure for a steel structural stiffening column according to claim 1, characterized by: the second connecting piece (12) comprises a third lantern ring (19), a bearing cylinder (20), a second fixed block (21) and a spiral connecting strip (22); the third lantern ring (19) is connected with the bearing cylinder (20) through a second fixing block (21) to form an L-shaped structure, the spiral connecting strip (22) is arranged in the third lantern ring (19), the end part of the beam stirrup (10) can be rotatably inserted into the third lantern ring (19) through the spiral connecting strip (22), the top of the bearing cylinder (20) is opened, the end part of the beam stirrup (10) can be inserted into the bearing cylinder (20), and two adjacent beam stirrups (10) are vertically connected through the second connecting piece (12);
two shaft grooves are formed in the second fixing block (21), the end portions of the third lantern ring (19) and the bearing cylinder (20) are respectively provided with a connecting shaft (17), so that the third lantern ring (19) can be movably inserted into the second fixing block (21) through one shaft groove through the connecting shaft (17), and the bearing cylinder (20) can be movably inserted into the second fixing block (21) through the other shaft groove through the connecting shaft (17).
6. A construction method of a stirrup structure of a steel structure stiff column according to claim 1, characterized by: the method comprises the following steps:
step 1: laying the column section steel (1) according to a construction drawing, laying a plurality of column main reinforcements (2) on the periphery of the column section steel (1), and respectively laying support plates (5) on the outer sides of all corners of the column section steel (1);
step 2: column stirrup assemblies are arranged in front of and behind the plurality of column main reinforcements (2) through support plates (5), and are welded and fixed on the plurality of column main reinforcements (2);
and step 3: beam section steel (9) is respectively arranged on two sides of the column section steel (1), and stirrups (11) are arranged at the top and the bottom of the beam section steel (9) so that the stirrups (11) penetrate through the column section steel (1);
and 4, step 4: the beam stirrups (10) are connected end to end through the first connecting piece (8) and the second connecting piece (12) to form a closed ring and are circumferentially arranged on the outer sides of the stirrups (11) and the beam section steel (9) to form a beam section steel closed hoop;
and 5: and (2) arranging column stirrup assemblies on two sides of the plurality of column main reinforcements (2) through the support plates (5), welding and fixing the column stirrup assemblies on the plurality of column main reinforcements (2), and forming a column section steel closed hoop by the column stirrup assemblies and the column stirrup assemblies in the step (2) through the support plates (5).
7. The construction method according to claim 6, wherein: the step 2 comprises the following sub-steps:
step 2.1: the column stirrup assembly comprises first column stirrups (3), the first column stirrups (3) are respectively arranged in front of and behind the column profile steel (1), and the first column stirrups (3) are vertically positioned on the outer sides of the plurality of column main reinforcements (2);
step 2.2: the support plate (5) comprises a first bearing plate (4), and a first round hole (13) is formed in the first bearing plate (4); the two ends of the first column stirrup (3) penetrate through the first bearing plate (4) through the first round holes (13) respectively, and the first column stirrup (3) is welded and fixed with the contact parts of the plurality of column main reinforcements (2).
8. The construction method according to claim 6, wherein: the step 4 comprises the following sub-steps:
step 4.1: arranging a beam stirrup (10) on a stirrup (11) at the top of the beam section steel (9), and enabling the beam stirrup (10) to be vertical to the stirrup (11);
step 4.2: two ends of the beam stirrup (10) arranged in the step 4.1 are respectively connected with a first connecting piece (8);
step 4.3: beam stirrups (10) are respectively connected to the two first connecting pieces (8), so that the two beam stirrups (10) are positioned in front of and behind the beam section steel (9);
step 4.4: the bottoms of the two beam stirrups (10) arranged in the step 4.3 are respectively connected with a second connecting piece (12);
step 4.5: beam stirrups (10) are inserted between the two second connecting pieces (12), so that the beam stirrups (10) are vertically positioned below stirrups (11) at the bottom of the beam profile steel (9), and the four beam stirrups (10) form a beam profile steel closed hoop through the two first connecting pieces (8) and the two second connecting pieces (12);
step 4.6: and welding and fixing the contact part of the beam stirrup (10) and the stirrup (11).
9. The construction method according to claim 8, wherein: in the step 4.2, the end part of the beam stirrup (10) is inserted into the first sleeve ring (15) of the first connecting piece (8), and the spiral connecting strip (22) in the first sleeve ring (15) is spirally wound on the beam stirrup (10);
in the step 4.3, the end part of the beam stirrup (10) is inserted into the second sleeve ring (18) of the first connecting piece (8), and the spiral connecting strip (22) in the second sleeve ring (18) is spirally wound on the beam stirrup (10);
in the step 4.4, the end part of the beam stirrup (10) is inserted into a third sleeve ring (19) of the second connecting piece (12), and a spiral connecting strip (22) in the third sleeve ring (19) is spirally wound on the beam stirrup (10);
in the step 4.5, the end part of the beam stirrup (10) is inserted into the bearing cylinder (20) of the second connecting piece (12).
10. The construction method according to claim 6, wherein: the step 5 comprises the following sub-steps:
step 5.1: the column stirrup assembly comprises second column stirrups (7), the second column stirrups (7) are respectively arranged on two sides of the column profile steel (1), and the second column stirrups (7) are vertically positioned on the outer sides of the plurality of column main reinforcements (2);
step 5.2: the support plate (5) comprises a second bearing plate (6), and a second round hole (14) is formed in the second bearing plate (6); two ends of the second column hoop (7) penetrate through the second bearing plate (6) through second round holes (14) respectively, and the contact parts of the second column hoop (7) and the plurality of column main reinforcements (2) are welded and fixed.
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