CN113123455A - Assembly type double-herringbone supporting frame structure and construction method - Google Patents
Assembly type double-herringbone supporting frame structure and construction method Download PDFInfo
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- CN113123455A CN113123455A CN202110247590.8A CN202110247590A CN113123455A CN 113123455 A CN113123455 A CN 113123455A CN 202110247590 A CN202110247590 A CN 202110247590A CN 113123455 A CN113123455 A CN 113123455A
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- 238000010276 construction Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 109
- 239000010959 steel Substances 0.000 claims abstract description 109
- 238000005192 partition Methods 0.000 claims description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 6
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 2
- 238000009435 building construction Methods 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 13
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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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
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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
- E04B1/21—Connections specially adapted therefor
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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
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/025—Structures with concrete columns
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Abstract
The invention provides an assembled double-herringbone supporting frame structure and a construction method, and belongs to the field of assembled building construction. In the frame structure, a steel skeleton of the prefabricated column is a square steel pipe, and two side surfaces of the square steel pipe, which are connected with the beam, are provided with first welded I-steel; two ends of the precast beam are provided with second I-beams which extend out, and the second I-beams and the first I-beams are of the same type; the beam column connecting plates comprise an upper flange connecting plate, two lower flange connecting plates and two web connecting plates, the first I-shaped steel and the second I-shaped steel are connected through the five connecting plates, and a node plate is welded on each of the upper flange surface side and the lower flange surface side of the first I-shaped steel, which are close to the square steel pipe; the double-herringbone supporting structure is arranged in a frame with four gusset plates. The invention has simple node form assembly, and is convenient to replace the connecting plate after being damaged by earthquake; the integral lateral rigidity is controllable; the shock resistance and the service life of the fabricated building are effectively improved.
Description
Technical Field
The invention belongs to the field of assembly type building construction, and particularly relates to an assembly type double-person-shaped supporting frame structure and a construction method.
Background
The fabricated building is a building which is fabricated by transferring a large amount of field operation work in the traditional construction mode to a factory, processing and manufacturing building components and accessories (such as floor slabs, wall slabs, stairs, balconies and the like) in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site in a reliable connection mode. The partial structure of the fabricated building is prefabricated in a factory, and the overall anti-seismic performance of the frame formed by the components needs to be considered when the components are assembled.
The prefabricated building mainly comprises a prefabricated concrete structure, a steel structure, a modern wood structure building and the like. In the prior art, a mode of adding supports in frames of prefabricated columns and prefabricated beams is generally adopted to increase the stability of the frames, and then the seismic performance of the frames is increased through the energy consumption performance of a supporting structure. Aiming at more and more flexible frame systems, how to better increase the earthquake resistance is the difficult point of the assembly type building construction.
Disclosure of Invention
In view of the above defects or shortcomings in the prior art, the invention aims to provide an assembled double-herringbone supporting frame structure and a construction method thereof.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides an assembled double-letter type supporting frame structure, where the frame structure includes: the beam column connecting plate is connected with the prefabricated column through the connecting bolts; wherein the content of the first and second substances,
the steel skeleton of the prefabricated column is a square steel pipe, and two side surfaces of the square steel pipe, which are connected with the beam, are provided with first I-shaped steel in a welding mode;
two ends of the precast beam are provided with second I-beams which extend out, and the second I-beams and the first I-beams are of the same type;
the beam column connecting plates comprise two groups of flange connecting plates and one group of web connecting plates; each group of flange connecting plates comprises an outer connecting plate and two inner connecting plates, and the first I-shaped steel and the second I-shaped steel are connected through three groups of eight connecting plates to complete the assembly of the precast column and the precast beam; the outer surfaces of the upper flange and the lower flange of the first I-shaped steel close to the square steel pipe are respectively welded with a gusset plate;
the double-herringbone supporting structure is arranged in a frame with four gusset plates; the double-herringbone supporting structure comprises a first supporting rod, a second supporting rod, a third supporting rod, a fourth supporting rod, a first energy-consuming hinge, a second energy-consuming hinge and a connecting rod; one ends of the first supporting rod and the second supporting rod are respectively connected to the upper gusset plate and the lower gusset plate on the left side of the frame, and the other ends of the first supporting rod and the second supporting rod are connected to the first energy-consuming hinge together to form a first herringbone in a lateral arrangement; one end of each of the third supporting rod and the fourth supporting rod is connected to the upper node plate and the lower node plate on the right side of the frame, and the other ends of the third supporting rod and the fourth supporting rod are connected to the second energy-consuming hinge together to form a second herringbone which is opposite to the first herringbone and is laterally arranged; the second herringbone energy-consuming hinge and the first herringbone energy-consuming hinge are positioned on the same vertical line, and a connecting rod is connected between the two energy-consuming hinges.
In the above scheme, the double-herringbone supporting structure is arranged in the whole span of the frame structure at intervals.
In the above scheme, the first support rod to the fourth support rod are common support rods.
In the scheme, the transverse partition plate is arranged on the inner cross section of the prefabricated column square steel pipe, two types of holes are formed in the transverse partition plate, one type of hole is a pouring hole formed in the middle of the transverse partition plate, and the other type of hole is a plurality of column longitudinal rib holes formed along the inner side of the edge of the transverse partition plate.
In the scheme, bolt holes are formed in the upper flange, the lower flange and the web plate of the first I-beam and the second I-beam;
the middle of an upper flange connecting plate of the beam column connecting plate is provided with an oval opening, two rows of bolt holes are arranged along the connected flange at two sides of the oval opening and correspond to upper flange bolt holes of the first I-shaped steel and the second I-shaped steel, and the oval opening corresponds to the joint of the first I-shaped steel and the second I-shaped steel during connection; the two lower flange connecting plates are respectively connected with the lower flanges on the two sides of the first I-shaped steel and the second I-shaped steel, the middle of each connecting plate corresponds to the joint of the first I-shaped steel and the second I-shaped steel, and bolt holes are formed in the plates corresponding to the lower flange bolt holes of the first I-shaped steel and the second I-shaped steel; the two web connecting plates are rectangular plates, the middle of each rectangular plate corresponds to the joint of the first I-shaped steel and the second I-shaped steel, and two rows of web bolt holes corresponding to the first I-shaped steel and the second I-shaped steel are respectively formed in the two sides of the middle of each rectangular plate.
In the scheme, the long bolts perpendicular to the web plate are welded on the web plate of the second I-shaped steel extending to the inside of the beam, and are used for increasing the strength of the poured beam and the bonding performance of the poured beam and concrete.
In the scheme, the energy-consuming hinge comprises a fixing plate, a bidirectional hinge and six groups of bolts, the bidirectional hinge is fixed at the center of the fixing plate, six long bolt holes are formed in the periphery of the bidirectional hinge, and the six groups of bolts are arranged in the middles of the long bolt holes and can move in the bolt holes along the holes.
In the above solution, the length of the vertical connecting rod of the frame structure is set according to a predetermined ratio according to the size of a single frame.
In a second aspect, an embodiment of the present invention further provides a construction method of the assembled double-letter type support frame structure, including the following steps:
step S1, manufacturing prefabricated columns and prefabricated beams in a factory;
step S2, assembling prefabricated columns and prefabricated beams on site through connecting plates and high-strength bolts;
step S3, installing a node board connected with the support in the frame provided with the support;
and step S4, connecting the double-Chinese-character-shaped supporting structure.
In the foregoing scheme, in step S2, when the precast column and the precast beam are assembled on site, after aligning the first i-beam of the precast column with the second i-beam of the precast beam, the bolt holes of the upper flange connecting plate, the two lower flange connecting plates, and the web connecting plate correspond to the bolt holes of the first i-beam and the second i-beam, respectively, and after the bolt holes are fixed by the high-strength bolt, the connection between the first i-beam and the second i-beam is completed, so as to assemble the beam column.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
according to the assembled double-herringbone supporting frame structure and the construction method, the adopted node form is simple to assemble, no field wet operation exists, and meanwhile, the support in the concrete frame structure is convenient to connect; when the precast columns are connected with the precast beams, the low-yield steel is used as a connecting plate, the yield strength is low, energy consumption can be yielded firstly, and damage dispersion is reduced; meanwhile, after the earthquake is damaged, the connecting plate is convenient to replace; the adopted supporting and energy-consuming mode has the advantages that the installation parts are independent, the installation adopts bolt connection or welding, the prefabrication degree is high, and the labor intensity is low; energy consumption mainly occurs at the position of an energy consumption hinge, horizontal seismic force can be effectively borne by properly increasing the rigidity, and a node core area, a column end and a beam end are protected; meanwhile, the rigidity of the integral supporting structure is controlled through the length of the vertical connecting rod and the energy consumption hinge, and the integral lateral rigidity is controllable; the shock resistance and the service life of the fabricated building are effectively improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of an assembled double-letter type supporting frame according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the beam-column connecting plate 50 shown in FIG. 1;
fig. 3 is a schematic view of the dissipative hinge structure shown in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The embodiment of the invention provides an assembled double-herringbone supporting frame structure. As shown in fig. 1 and 2, the frame structure includes: the prefabricated beam comprises prefabricated columns 20, prefabricated beams 30, beam column connecting plates, connecting bolts 50, node plates 40 and double-herringbone supporting structures 10; the steel skeleton of the prefabricated column is a square steel pipe 21, and two side faces, connected with the beam, of the square steel pipe 21 are provided with first welded I-shaped steel 22; two ends of the precast beam are provided with second I-beams 31 which extend out, and the second I-beams and the first I-beams are of the same type; the beam-column connecting plate 50 comprises two groups of flange connecting plates and one group of web connecting plates 53; each group of flange connecting plates comprises an outer connecting plate 51 and two inner connecting plates 52, and the first I-shaped steel and the second I-shaped steel are connected through eight connecting plates in three groups to complete the assembly of the precast column and the precast beam; the outer surfaces of the upper flange and the lower flange of the first I-shaped steel close to the square steel pipe are respectively welded with a gusset plate; in the frame structure composed of the precast columns and the precast girders, one gusset plate 40 is provided at each of four corners in one frame. Within a frame having four gusset panels, there is a double letter support structure 10. The double-square support structure may be disposed in the entire span of the frame structure at intervals, or may be specifically disposed as needed, for example, the double-square support structure is disposed in a single frame in the entire span at intervals.
The prefabricated column square steel pipe 21 is characterized in that a transverse partition plate is arranged on the inner cross section of the prefabricated column square steel pipe 21, two types of holes are formed in the transverse partition plate, one type of hole is a pouring hole formed in the middle of the transverse partition plate, and the other type of hole is a plurality of column longitudinal rib holes formed in the inner side of the edge of the transverse partition plate. Bolt holes are formed in the upper flange, the lower flange and the web plate of the first I-shaped steel welded on the outer side of the square steel pipe.
The steel frameworks at two ends of the precast beam 30 are second I-shaped steel 31, and long bolts perpendicular to a web plate are welded on the web plate of the second I-shaped steel extending into the beam and used for welding longitudinal bars of the beam and increasing the strength and the bonding property of the poured beam; the upper flange, the lower flange and the web plate of the second I-shaped steel exposed at the two ends of the beam are provided with bolt holes.
In each group of flange connecting plates of the beam column connecting plates, the outer connecting plate is one, a longitudinal oval opening is formed in the middle, two rows of bolt holes are formed in the two sides of the oval opening along the connected flange and correspond to bolt holes in the two sides of the flange of the first I-shaped steel and bolt holes in the two sides of the flange of the second I-shaped steel, and the oval opening corresponds to the joint of the first I-shaped steel and the second I-shaped steel during connection. The two inner connecting plates are respectively connected with two inner sides of flanges of the first I-shaped steel and the second I-shaped steel, the middle of each connecting plate corresponds to the joint of the first I-shaped steel and the second I-shaped steel, and bolt holes are formed in the plates corresponding to bolt holes in each side of the flanges of the first I-shaped steel and the second I-shaped steel. The two web connecting plates 53 are rectangular plates, the middle of each rectangular plate corresponds to the joint of the first I-shaped steel and the second I-shaped steel, and two rows of web bolt holes corresponding to the first I-shaped steel and the second I-shaped steel are respectively formed in the two sides of the middle of each rectangular plate. All bolt holes are connected through bolts, and the first I-shaped steel and the second I-shaped steel are connected, so that the beam and the column are assembled.
In each frame provided with the double-herringbone support, the double-herringbone support structure comprises a first support rod 11, a second support rod 12, a third support rod 13, a fourth support rod 14, a first energy consumption hinge 15, a second energy consumption hinge 16 and a connecting rod 17; one ends of the first support rod 11 and the second support rod 12 are respectively connected to the upper gusset plate and the lower gusset plate on the left side of the frame, and the other ends are connected to the first energy consumption hinge 15 together to form a first herringbone in a lateral arrangement; one end of each of the third support rod 13 and the fourth support rod 14 is connected to the upper gusset plate and the lower gusset plate on the right side of the frame, and the other end of each of the third support rod and the fourth support rod is connected to the second energy consumption hinge 16 together to form a second herringbone which is opposite to the first herringbone and is laterally arranged. The second herringbone energy dissipation hinge 16 and the first herringbone energy dissipation hinge 15 are located on the same vertical line, and a connecting rod 17 is connected between the two energy dissipation hinges. The first supporting rod to the fourth supporting rod are common supports.
As shown in fig. 3, the energy consuming hinge 15/16 is composed of a fixing plate 151/161, a bidirectional hinge 154/164 and six groups of bolts 153/163, the bidirectional hinge is fixed at the center of the fixing plate, six long bolt holes 152/162 are formed in the periphery of the bidirectional hinge, and six groups of bolts 153/163 are arranged in the middle of the long bolt holes 152/162 and can move along the holes in the bolt holes.
When an earthquake occurs, the upper beam and the lower beam can generate relative displacement, when the upper beam displaces to the right relative to the lower beam, the right side pillar and the second herringbone support form a rigid body structure, and the right side herringbone support can generate relative displacement to the right compared with the node; in a similar way, the left herringbone support can generate relative leftward displacement compared with the node, the vertical connecting rod rotates relatively, the energy-consuming hinge rotates relatively, and the bolt in the bolt hole generates relative displacement along the hole, so that the energy consumption of the whole structure is realized; simultaneously because the unnecessary restraint of vertical connecting rod can make each bracing piece produce axial deformation, and then promotes the bulk strength, increases the power consumption.
It should be noted that the length of the vertical connecting rods of the frame structure is set in a predetermined ratio according to the size of the single frame. The connecting rod is not suitable to be too long, and the shaft force of the rod or the support is too large due to the too long connecting rod; the rotation torque of the energy-consuming hinge is reduced due to over-short, and the integral rigidity of the structure is increased; the relationship between the two is balanced through reasonable structural design.
The embodiment of the invention also provides a construction method of the assembled double-herringbone supporting frame structure, which comprises the following steps:
and step S1, manufacturing prefabricated columns and prefabricated beams in a factory.
In the step, when the prefabricated column is manufactured, two types of holes are drilled on the diaphragm plate, wherein the holes comprise a plurality of column longitudinal rib holes and pouring holes; arranging the diaphragm plate in a steel skeleton square steel pipe of the prefabricated column; then, the column longitudinal ribs penetrate through the column longitudinal rib holes, and the column longitudinal ribs and the stirrups are bound; and pouring after the binding is finished, so that the concrete is compacted in the column through the pouring hole. And after maintenance, respectively welding I-shaped steel on two side surfaces of the square steel pipe connected with the beam, and forming bolt holes in the upper flange, the lower flange and the web plate of the I-shaped steel to obtain the prefabricated column.
When the precast beam is manufactured, studs are arranged on the I-beams, beam longitudinal ribs are welded on the I-beams, the longitudinal ribs and the stirrups are bound, exposed parts of the I-beams are reserved at two ends of the precast beam after binding is finished, and bolt holes are formed in upper and lower flanges and a web plate of the exposed I-beams; and pouring concrete of the precast beam, and curing to obtain the precast beam.
And step S2, assembling the precast columns and the precast beams on site through the connecting plates and the high-strength bolts.
In the step, when the prefabricated column and the prefabricated beam are assembled on site, after a first I-shaped steel of the prefabricated column is aligned with a second I-shaped steel of the prefabricated beam, bolt holes of an upper flange connecting plate, two lower flange connecting plates and a web connecting plate are respectively corresponding to bolt holes of the first I-shaped steel and the second I-shaped steel, and after the first I-shaped steel and the second I-shaped steel are fixed through high-strength bolts, the first I-shaped steel and the second I-shaped steel are connected, so that the beam column is assembled.
In step S3, a gusset plate for connecting the supports is installed in the frame in which the supports are provided.
In this embodiment, in the whole frame structure, the support is provided in a span-spaced manner. In each frame of the whole span provided with the support, a node plate is arranged at the upper flange or the lower flange of the first I-shaped steel on the four corners of the frame. The gusset plate can be installed by means of bolt connection or welding.
In this step, the first i-steel that the gusset plate welded to the square steel pipe is close to the square steel pipe and outside the upper and lower flanges that are reserved outside the upper and lower flange connecting plates. Wherein the gusset plate is in a form that matches the support.
And step S4, connecting the double-Chinese-character-shaped supporting structure.
In this step, the double-font support structure is the support structure described in this embodiment. The first support rod, the second support rod, the third support rod and the fourth support rod are connected to two left side angles and two right side angles of a frame structure formed by the beam column through gusset plates respectively. Connecting the top ends of the first support rod and the second support rod through a first energy-consuming hinge, and connecting the top ends of the third support rod and the fourth support rod through a second energy-consuming hinge; and then the two energy-consuming hinges are connected through a vertical connecting rod.
Through the steps, the construction of the assembled double-herringbone supporting energy dissipation frame structure is completed.
According to the technical scheme, the assembly type double-herringbone supporting energy consumption frame knot and the construction method are simple in assembly and free of field wet operation in the aspect of node connection, and meanwhile connection of supports in a concrete frame structure is facilitated; in the aspects of supporting and energy consumption, when the upper beam displaces to the right relative to the lower beam, the right pillar and the second herringbone support form a rigid body structure, and the right herringbone support can generate a relative rightward displacement compared with the node; when the left herringbone support generates displacement relatively to the left compared with the node, the vertical connecting rod generates relative rotation, the energy-consuming hinge relatively rotates, and the bolt in the bolt hole generates relative displacement along the hole, so that the energy consumption of the whole structure is realized; simultaneously because the unnecessary restraint of vertical connecting rod can make each bracing piece produce axial deformation, and then promote bulk strength, increase the power consumption, improved the anti-seismic performance of building, prolonged the building life-span.
The foregoing description is only exemplary of the preferred embodiments of the invention and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the invention. For example, the above features and (but not limited to) features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.
Claims (10)
1. An assembled double type supporting frame structure, characterized in that, the frame structure includes: the beam column connecting plate is connected with the prefabricated column through the connecting bolts; wherein the content of the first and second substances,
the steel skeleton of the prefabricated column is a square steel pipe, and two side surfaces of the square steel pipe, which are connected with the beam, are provided with first I-shaped steel in a welding mode;
two ends of the precast beam are provided with second I-beams which extend out, and the second I-beams and the first I-beams are of the same type;
the beam column connecting plates comprise two groups of flange connecting plates and one group of web connecting plates; each group of flange connecting plates comprises an outer connecting plate and two inner connecting plates, and the first I-shaped steel and the second I-shaped steel are connected through three groups of eight connecting plates to complete the assembly of the precast column and the precast beam; the outer surfaces of the upper flange and the lower flange of the first I-shaped steel close to the square steel pipe are respectively welded with a gusset plate;
the double-herringbone supporting structure is arranged in a frame with four gusset plates; the double-herringbone supporting structure comprises a first supporting rod, a second supporting rod, a third supporting rod, a fourth supporting rod, a first energy-consuming hinge, a second energy-consuming hinge and a connecting rod; one ends of the first supporting rod and the second supporting rod are respectively connected to the upper gusset plate and the lower gusset plate on the left side of the frame, and the other ends of the first supporting rod and the second supporting rod are connected to the first energy-consuming hinge together to form a first herringbone in a lateral arrangement; one end of each of the third supporting rod and the fourth supporting rod is connected to the upper node plate and the lower node plate on the right side of the frame, and the other ends of the third supporting rod and the fourth supporting rod are connected to the second energy-consuming hinge together to form a second herringbone which is opposite to the first herringbone and is laterally arranged; the second herringbone energy-consuming hinge and the first herringbone energy-consuming hinge are positioned on the same vertical line, and a connecting rod is connected between the two energy-consuming hinges.
2. The assembled double-type support frame structure of claim 1, wherein the double-type support structure is disposed within the entire span of the frame structure at spaced intervals.
3. The assembled double-letter support frame structure of claim 1, wherein the first through fourth support bars are common support bars.
4. The assembled double-square supporting frame structure according to claim 1, wherein a transverse partition plate is arranged on the inner section of the prefabricated column square steel pipe, two types of holes are formed in the transverse partition plate, one type of hole is a pouring hole formed in the middle of the transverse partition plate, and the other type of hole is a plurality of column longitudinal rib holes formed along the inner side of the edge of the transverse partition plate.
5. The assembled double-herringbone supporting frame structure of claim 1, wherein bolt holes are formed in the first I-steel, the second I-steel, the upper flange and the lower flange, and the web plate;
the middle of an upper flange connecting plate of the beam column connecting plate is provided with an oval opening, two rows of bolt holes are arranged along the connected flange at two sides of the oval opening and correspond to upper flange bolt holes of the first I-shaped steel and the second I-shaped steel, and the oval opening corresponds to the joint of the first I-shaped steel and the second I-shaped steel during connection; the two lower flange connecting plates are respectively connected with the lower flanges on the two sides of the first I-shaped steel and the second I-shaped steel, the middle of each connecting plate corresponds to the joint of the first I-shaped steel and the second I-shaped steel, and bolt holes are formed in the plates corresponding to the lower flange bolt holes of the first I-shaped steel and the second I-shaped steel; the two web connecting plates are rectangular plates, the middle of each rectangular plate corresponds to the joint of the first I-shaped steel and the second I-shaped steel, and two rows of web bolt holes corresponding to the first I-shaped steel and the second I-shaped steel are respectively formed in the two sides of the middle of each rectangular plate.
6. The assembled double-herringbone supporting frame structure of claim 1, wherein long bolts perpendicular to the web plate are welded on the web plate of the second I-steel extending to the interior of the beam, and are used for increasing the strength of the poured back beam and the bonding performance with concrete.
7. The assembled double-herringbone supporting frame structure of claim 1, wherein the energy dissipation hinge is composed of a fixing plate, a bidirectional hinge and six groups of bolts, the bidirectional hinge is fixed at the center of the fixing plate, six long bolt holes are formed in the periphery of the bidirectional hinge, and the six groups of bolts are arranged in the middle of the long bolt holes and can move along the holes in the bolt holes.
8. The assembled double type support frame structure of claim 1, wherein the vertical connecting rod length of the frame structure is set in a predetermined ratio according to the size of a single frame.
9. A construction method of the fabricated double-type supporting frame structure according to any one of claims 1 to 8, comprising the steps of:
step S1, manufacturing prefabricated columns and prefabricated beams in a factory;
step S2, assembling prefabricated columns and prefabricated beams on site through connecting plates and high-strength bolts;
step S3, installing a node board connected with the support in the frame provided with the support;
and step S4, connecting the double-Chinese-character-shaped supporting structure.
10. The construction method of the assembled double-herringbone supporting frame structure according to claim 9, wherein in the step S2, when the precast column and the precast beam are assembled on site, after the first i-beam of the precast column is aligned with the second i-beam of the precast beam, the bolt holes of the upper flange connecting plate, the two lower flange connecting plates and the web connecting plate are respectively corresponding to the bolt holes of the first i-beam and the second i-beam, and after the first i-beam and the second i-beam are fixed by the high-strength bolt, the connection of the first i-beam and the second i-beam is completed, so that the assembly of the beam column is realized.
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Application publication date: 20210716 |