CN113982103B - Steel-concrete combined building frame - Google Patents
Steel-concrete combined building frame Download PDFInfo
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- CN113982103B CN113982103B CN202111307763.7A CN202111307763A CN113982103B CN 113982103 B CN113982103 B CN 113982103B CN 202111307763 A CN202111307763 A CN 202111307763A CN 113982103 B CN113982103 B CN 113982103B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000002131 composite material Substances 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000003466 welding Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
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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
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different 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
- E04B1/38—Connections for building structures in general
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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
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
Abstract
The invention discloses a steel-concrete combined building frame which comprises a concrete combined beam, a steel pipe concrete column, a double-steel-plate shear wall and a first connecting mechanism, wherein the concrete combined beam is arranged on the steel pipe concrete column; the first connecting mechanism comprises a first flat plate, a first box-shaped bracket, a first perforated plate, a second perforated plate and embedded bolts, wherein the first flat plate is welded on the surface of the steel pipe concrete column or the double-steel-plate shear wall; first box bracket welding is on the surface of first flat board, and first perforated plate welding is on the surface of first box bracket, and the welding of second perforated plate is at the terminal surface of concrete composite beam, and pre-buried bolt preinstalled is in the second perforated plate, and first perforated plate and second perforated plate pass through pre-buried bolted connection. The main components of the invention are filled with concrete on both sides or inside of steel, thus solving the fire-proof problem of steel components, and simultaneously, the steel-concrete structure enables the beam column in the building to bear larger weight with smaller section size, thus reducing the dead weight of the building components.
Description
Technical Field
The invention relates to the field of buildings, in particular to a steel-concrete combined building frame.
Background
At present, china is vigorously promoting the transformation of traditional buildings to industrialized buildings. In the traditional building, most of work needs to be completed on a construction site, and the problems of long construction period, serious environmental pollution, large stockpiling site, shortage of constructors and the like become barriers for inhibiting the progress of the building industry. Although the fabricated building has the advantage of a higher construction level, some considerable problems still exist, such as: the reliability of the vertical node of the PC structure, the comfort of a steel structure, fire prevention and the like are solved, the common manufacturing cost is high, the satisfaction degree of an owner and a user on the assembly type is poor, and a developer can select the assembly type structure actively difficultly under the promotion of a policy.
Disclosure of Invention
The invention aims to provide a steel-concrete combined building frame, which improves the connection reliability between a beam-column and a beam-shear wall and improves the installation and construction efficiency of a building.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a steel-concrete combined building frame comprises a concrete combined beam, a steel pipe concrete column, a double-steel-plate shear wall and a first connecting mechanism;
the concrete composite beam is a steel-concrete structure partially coated with concrete, the basic form of the section of the concrete composite beam is that concrete is filled in a cell surrounded by flanges at two sides of an H-shaped steel member and a middle web plate, and the inside of the concrete composite beam is connected with a main steel member by adopting a stirrup or a tie bar so as to restrain the concrete;
the steel tube concrete column is formed by filling concrete in a hollow steel tube, and the double-steel-plate shear wall is formed by welding a shear connecting rod between two parallel steel plates and filling concrete;
the first connecting mechanism is used for realizing the connection between the concrete composite beam and the steel tube concrete column and also used for realizing the connection between the concrete composite beam and the double-steel-plate shear wall; the first connecting mechanism comprises a first flat plate, a first box-shaped bracket, a first perforated plate, a second perforated plate and embedded bolts, and the first flat plate is welded on the surface of the steel pipe concrete column or the double-steel-plate shear wall; the first box-type bracket comprises an upper flange plate, a web plate and a lower flange plate, wherein the upper flange plate is parallel to the lower flange plate, the web plate is perpendicular to the upper flange plate, two ends of the web plate are respectively connected with the upper flange plate and the lower flange plate, and the number of the web plates is one or more; the first box-type bracket is welded on the surface of the first flat plate, the first perforated plate is welded on the surface of the first box-type bracket, the second perforated plate is welded on the end face of the concrete composite beam, the embedded bolt is pre-installed in the second perforated plate, and the first perforated plate and the second perforated plate are connected through the embedded bolt;
the main components of the steel-concrete combined building frame are a concrete combined beam, a steel pipe concrete column and a double-steel-plate shear wall, and the components are processed in a factory and then assembled on a transportation construction site; during assembly, the position of the concrete composite beam suspended in the air needs to be adjusted, so that the embedded bolt is aligned with the bolt hole in the surface of the first perforated plate, which is a relatively difficult operation, and in order to facilitate the insertion of the embedded bolt into the first perforated plate, the invention also comprises an installation assistor, wherein the installation assistor comprises a lower frame, an upper frame, a bearing flat plate and a guide bolt, the lower frame is provided with a hollow frame matched with the first flat plate in size, the top of the lower frame is provided with a stud, the upper frame is in a door shape, and one corner of the upper frame is provided with a stud hole; the lower frame is inserted into the first flat plate from the lower direction, the upper frame clamps the steel pipe concrete column from the horizontal direction, and the stud is inserted into the stud hole; the bearing flat plate is welded on the surface of the lower frame, the upper surface of the bearing flat plate is flush with the bottom surface of the first flat plate, a guide groove is formed in the surface of the bearing flat plate, the front end of the guide groove is in a bell mouth shape, and the guide bolt is embedded at the bottom of the concrete composite beam;
when the concrete composite beam is installed, firstly, one end of the concrete composite beam is dropped on the bearing flat plate, then the concrete composite beam is translated, the guide bolt at the bottom of the concrete composite beam enters the guide groove from the bell mouth, and then the concrete composite beam is translated along the guide groove until the embedded bolt is inserted into the first perforated plate; after the installation is completed, the upper frame and the lower frame are disassembled; the installation mode utilizes the bearing flat plate with the guide groove to limit the position of the concrete composite beam in the vertical direction and the horizontal direction, an installer only needs to cooperate with a crane to push the concrete composite beam to translate along the guide groove to accurately insert the embedded bolt into the first perforated plate, and the installer does not need to repeatedly adjust the position of the concrete composite beam, so that the installation efficiency is greatly improved.
Further, the installation assistor further comprises a reinforcing plate, the reinforcing plate is welded to the bottom of the bearing flat plate, the reinforcing plate is welded to the lower frame, and the reinforcing plate can increase the strength of the bearing flat plate.
Further, the steel-concrete combined building frame further comprises a second connecting mechanism, the second connecting mechanism comprises a second flat plate, a second box-shaped bracket, a third perforated plate, a fourth perforated plate and a penetrating bolt, the second flat plate is welded on the end face of the concrete combined beam, the second box-shaped bracket is consistent with the first box-shaped bracket, the second flat plate and the third perforated plate are respectively welded on two faces of the second box-shaped bracket, and the penetrating bolt sequentially penetrates through the fourth perforated plate, the steel pipe concrete column and the third perforated plate; the second connecting mechanism is another connecting mechanism for the concrete composite beam and the steel tube concrete column, and the connecting mechanism requires that the opposite penetrating bolt is embedded in the steel tube concrete column.
Furthermore, the steel-concrete combined building frame also comprises a connecting channel steel, the length of the connecting channel steel is greater than the thickness of the concrete combined beam, the connecting channel steel is welded on the surface of the double-steel-plate shear wall, and the end surface of the concrete combined beam is cut and then inserted into the connecting channel steel; channel steel is another connecting mechanism for a concrete composite beam and a double-steel-plate shear wall.
Further, the steel-concrete composite building frame further comprises a floor slab, wherein the floor slab is arranged on the concrete composite beam and is a cast-in-place concrete floor slab or a steel bar truss type floor slab.
Has the advantages that: (1) The main components of the steel-concrete combined building frame are filled with concrete at two sides or inside steel, so that the fireproof problem of the steel components is solved, the overall heat preservation and sound insulation performance of the building is improved, and meanwhile, the beam column in the building can bear larger weight with smaller section size by the steel-concrete structure, so that the self weight of the building components is reduced; (2) The steel-concrete combined building frame realizes the connection between the concrete combined beam and the steel pipe concrete column and the connection between the concrete combined beam and the double-steel-plate shear wall by utilizing the first connecting mechanism with the box-shaped bracket, has flexible and variable connection modes, and is convenient to install on site; (3) The mounting assistor is arranged at the connecting joint of the steel-concrete combined building frame, the position of the concrete combined beam in the vertical direction and the horizontal direction is limited by the bearing flat plate with the guide groove, an installer can accurately insert the embedded bolt into the first perforated plate only by matching with a crane to push the concrete combined beam to translate along the guide groove, and the installer does not need to repeatedly adjust the position of the concrete combined beam, so that the mounting efficiency is greatly improved.
Drawings
FIG. 1 is a node diagram of a beam-column in the frame of the steel-concrete composite building in example 1.
Fig. 2 is a perspective view of a concrete composite girder according to example 1.
Fig. 3 is a perspective view (hiding concrete) of the concrete composite beam of example 1.
Fig. 4 is an exploded view of the first connecting mechanism in embodiment 1.
Fig. 5 is a connection diagram of the steel concrete column and the first connection mechanism in example 1.
Fig. 6 is a state diagram of the use of the installation assistant in embodiment 1.
Fig. 7 is another perspective of fig. 6.
Fig. 8 is a structural view of the installation assistant in embodiment 1.
Fig. 9 is a component diagram of an upper frame in embodiment 1.
Fig. 10 (a) is a view showing the installation state of the concrete composite girder according to example 1.
Fig. 11 is a view showing an installation state of the concrete composite girder according to example 1 (second embodiment).
Fig. 12 is another beam-column node diagram in the frame of the steel and concrete composite building of example 1.
Fig. 13 is an exploded view of the second connecting mechanism in embodiment 1.
Fig. 14 is a diagram of beam-shear wall nodes in a frame of a steel-concrete composite building of example 1.
Fig. 15 is a diagram of another beam-shear wall node in the steel-concrete composite building frame of example 1.
Figure 16 is a diagram of a beam-floor node in a frame of a steel and concrete composite building of example 1.
Figure 17 is a diagram of another beam-floor node in the frame of the steel and concrete composite building of example 1.
Wherein: 100. a concrete composite beam; 200. a steel pipe concrete column; 300. a double steel plate shear wall; 400. a first connecting mechanism; 410. a first plate; 420. a first box-type corbel; 421. an upper flange plate; 422. a web; 423. a lower flange plate; 430. a first perforated plate; 440. a second perforated plate; 450. embedding bolts in advance; 500. installing an assistor; 510. a lower frame; 511. empty frame; 512. a stud; 520. an upper frame; 530. a load-bearing plate; 531. a guide groove; 532. a bell mouth; 540. a guide bolt; 550. a reinforcing plate; 600. a second connecting mechanism; 610. a second plate; 620. a second box-type corbel; 630. a third perforated plate; 640. a fourth perforated plate; 650. penetrating a bolt; 700. connecting channel steel; 800. a floor slab; 810. casting a concrete floor slab in situ; 820. a steel bar truss type floor slab.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example 1
As shown in fig. 1 to 15, the steel-concrete composite building frame of the present embodiment includes a concrete composite beam 100, a steel core concrete column 200, a double-steel-plate shear wall 300, a first connection mechanism 400, an installation assistant 500, a second connection mechanism 600, a connection channel 700, and a floor slab 800;
the concrete composite beam 100 is a steel-concrete structure partially coated with concrete, and the basic form of the section is that concrete is filled in a cell surrounded by flanges at two sides of an H-shaped steel member and a middle web plate, and the inside of the section is connected with a main steel member by adopting a stirrup or a tie bar so as to restrain the concrete;
the steel tube concrete column 200 is formed by filling concrete in a hollow steel tube, and the double-steel-plate shear wall 300 is formed by welding a shear connecting rod between two parallel steel plates and filling concrete;
as shown in fig. 1 to 5, a first connecting mechanism 400 is used for connecting the concrete composite beam 100 and the steel pipe concrete column 200, the first connecting mechanism 400 includes a first flat plate 410, a first box-shaped bracket 420, a first perforated plate 430, a second perforated plate 440 and embedded bolts 450, the first flat plate 410 is welded on the surface of the steel pipe concrete column 200 or the double-steel-plate shear wall 300; the first box-type bracket 420 comprises an upper flange plate 421, a web 422 and a lower flange plate 423, wherein the upper flange plate 421 is parallel to the lower flange plate 423, the web 422 is perpendicular to the upper flange plate 421, two ends of the web 422 are respectively connected with the upper flange plate 421 and the lower flange plate 423, and the number of the webs 422 is one or more; the first box-type bracket 420 is welded on the surface of the first plate 410, the first perforated plate 430 is welded on the surface of the first box-type bracket 420, the second perforated plate 440 is welded on the end face of the concrete composite beam 100, the embedded bolt 450 is pre-installed in the second perforated plate 440, and the first perforated plate 430 and the second perforated plate 440 are connected through the embedded bolt 450;
as shown in fig. 8 and 9, the installation assistant 500 includes a lower frame 510, an upper frame 520, a bearing plate 530, a guide bolt 540, and a reinforcing plate 550, wherein the lower frame 510 is provided with a hollow frame 511 having a size matching with that of the first plate 410, a stud 511 is provided on the top of the lower frame 510, the upper frame 520 has a door shape, and a stud hole is provided at one corner of the upper frame 520; the bearing flat plate 530 is welded on the surface of the lower frame 510, the reinforcing plate 550 is welded at the bottom of the bearing flat plate 530, and the reinforcing plate 550 is welded with the lower frame 510;
the installation method of the installation assistant 500 is: as shown in fig. 6 and 7, the lower frame 510 is inserted into the first plate 410 from below, the upper frame 520 clamps the steel pipe concrete column 200 from the horizontal direction, the stud 511 is inserted into the stud hole, the upper surface of the bearing plate 530 is flush with the bottom surface of the first plate 410, the surface of the bearing plate 530 is provided with a guide groove 531, and the front end of the guide groove 531 is in the shape of a bell-mouth 532;
as shown in fig. 10 and 11, the concrete composite beam 100 and the steel pipe concrete are connected in a manner that the concrete composite beam 100 is translated leftward, one end of the concrete composite beam 100 is dropped on the bearing flat plate 530, and a guide bolt 540 is embedded at the bottom of the concrete composite beam 100; in the process of translating the concrete composite beam 100, the guide bolt 540 enters the guide groove 531 from the bell-mouth 532 shown in fig. 6, and then the concrete composite beam 100 translates along the guide groove 531 until the embedded bolt 450 is inserted into the first perforated plate 430, and finally the nut is fixed; after the installation is completed, the upper frame 520 and the lower frame 510 are disassembled, and the installation assistant 500 can be used for the next node connection;
the first connecting mechanism 400 is also used for connecting the concrete composite beam 100 and the double-steel-plate shear wall 300, as shown in fig. 14, and the operation steps are consistent with the connection mode of the concrete composite beam 100 and the steel pipe concrete;
as shown in fig. 12 and 13, the second connecting mechanism 600 is another connecting mechanism for the concrete composite beam 100 and the steel pipe concrete column 200, the second connecting mechanism 600 includes a second flat plate 610, a second box-shaped bracket 620, a third perforated plate 630, a fourth perforated plate 640 and a through bolt 650, the second flat plate 610 is welded on the end face of the concrete composite beam 100, the second box-shaped bracket 620 is identical to the first box-shaped bracket 420, the second flat plate 610 and the third perforated plate 630 are respectively welded on both sides of the second box-shaped bracket 620, and the through bolt 650 sequentially passes through the fourth perforated plate 640, the steel pipe concrete column 200 and the third perforated plate 630; the second connecting mechanism 600 is applied, the opposite-penetrating bolt 650 needs to be pre-embedded in the steel pipe concrete column 200, and the second flat plate 610, the second box-type bracket 620 and the third perforated plate 630 are welded on the end face of the concrete composite beam 100 in advance;
fig. 15 provides another connection node between the concrete composite beam 100 and the double-steel-plate shear wall 300, the connection node includes a connection channel 700, the length of the connection channel 700 is greater than the thickness of the concrete composite beam 100, the connection channel 700 is welded to the surface of the double-steel-plate shear wall 300, and the end surface of the concrete composite beam 100 is cut and then inserted into the connection channel 700 for welding;
after the beam, the column and the shear wall are assembled, the beam top is provided with fittings such as shear-resistant studs, templates and/or steel bar truss floor bearing plates according to the shear-resistant calculation requirements, gaps between the fittings and the beam column are sealed by aluminum sheets to prevent slurry leakage, and then steel bars are normally bound and poured to form the floor slab 800 shown in fig. 16 or 17, specifically a cast-in-place concrete floor slab 810 or a steel bar truss type floor slab 820.
Although the embodiments of the present invention have been described in the specification, these embodiments are merely provided as a hint, and should not limit the scope of the present invention. Various omissions, substitutions, and changes may be made without departing from the spirit of the invention and are intended to be within the scope of the invention.
Claims (6)
1. A steel and concrete combined building frame is characterized in that: the concrete-filled steel tube shear wall comprises a concrete composite beam, a steel tube concrete column, a double-steel-plate shear wall, a first connecting mechanism and an installation auxiliary device;
the first connecting mechanism comprises a first flat plate, a first box-shaped bracket, a first perforated plate, a second perforated plate and an embedded bolt, the first connecting mechanism is used for realizing the connection between the concrete composite beam and the steel tube concrete column and also used for realizing the connection between the concrete composite beam and the double-steel-plate shear wall, and the first flat plate is welded on the surface of the steel tube concrete column or the double-steel-plate shear wall; the first box-type bracket comprises an upper flange plate, a web plate and a lower flange plate, wherein the upper flange plate is parallel to the lower flange plate, the web plate is perpendicular to the upper flange plate, two ends of the web plate are respectively connected with the upper flange plate and the lower flange plate, and the number of the web plates is one or more; the first box-type bracket is welded on the surface of the first flat plate, the first perforated plate is welded on the surface of the first box-type bracket, the second perforated plate is welded on the end face of the concrete composite beam, the embedded bolt is pre-installed in the second perforated plate, and the first perforated plate and the second perforated plate are connected through the embedded bolt;
the installation assistor comprises a lower frame, an upper frame, a bearing flat plate and a guide bolt, wherein the lower frame is provided with an empty frame matched with the first flat plate in size, a stud is arranged at the top of the lower frame, the upper frame is in a door shape, and a stud hole is formed in one corner of the upper frame; the lower frame is inserted into the first flat plate from the lower direction, the upper frame clamps the steel pipe concrete column from the horizontal direction, and the stud is inserted into the stud hole; the bearing flat plate is welded on the surface of the lower frame, the upper surface of the bearing flat plate is flush with the bottom surface of the first flat plate, the surface of the bearing flat plate is provided with a guide groove, the front end of the guide groove is in a bell mouth shape, and the guide bolt is embedded at the bottom of the concrete composite beam.
2. The steel-concrete composite building frame according to claim 1, wherein: the mounting assistor further comprises a reinforcing plate welded to the bottom of the bearing flat plate, and the reinforcing plate is welded to the lower frame.
3. The steel-concrete composite building frame according to claim 1, wherein: the second connecting mechanism comprises a second flat plate, a second box-type bracket, a third perforated plate, a fourth perforated plate and a pair-through bolt, the second flat plate is welded on the end face of the concrete combined beam, the second box-type bracket is identical to the first box-type bracket, the second flat plate and the third perforated plate are welded on two faces of the second box-type bracket respectively, and the pair-through bolt sequentially penetrates through the fourth perforated plate, the concrete filled steel tube column and the third perforated plate.
4. The steel-concrete composite building frame according to claim 1, wherein: the concrete shear wall is characterized by further comprising connecting channel steel, the length of the connecting channel steel is larger than the thickness of the concrete composite beam, the connecting channel steel is welded on the surface of the double-steel-plate shear wall, and the end face of the concrete composite beam is inserted into the connecting channel steel after being cut.
5. The steel-concrete composite building frame according to claim 1, wherein: the concrete composite beam further comprises a floor slab, and the floor slab is arranged on the concrete composite beam.
6. The steel-concrete composite building frame according to claim 5, wherein: the floor slab is a cast-in-place concrete floor slab or a steel bar truss type floor slab.
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| CN202111307763.7A CN113982103B (en) | 2021-11-05 | 2021-11-05 | Steel-concrete combined building frame |
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| CN202111307763.7A CN113982103B (en) | 2021-11-05 | 2021-11-05 | Steel-concrete combined building frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3494433B2 (en) * | 2000-05-23 | 2004-02-09 | 株式会社テスク | Wall type construction method of steel frame building |
| JP4124073B2 (en) * | 2003-09-17 | 2008-07-23 | 株式会社ティ・カトウ | Wood fittings |
| CN101463628B (en) * | 2008-04-29 | 2011-05-04 | 甘秀明 | Semi-butterfly type connection clip and construction steel frame node structure |
| CN104060691A (en) * | 2014-06-05 | 2014-09-24 | 江苏南方雄狮建设工程有限公司 | Buckle support bracket |
| US10316511B1 (en) * | 2017-02-14 | 2019-06-11 | Valmont Industries | Bolt calibrated angle mainstay for tower construction and method for use |
| CN209670195U (en) * | 2019-01-30 | 2019-11-22 | 沈阳建筑大学 | A kind of assembling frame structure stress system |
| CN210238772U (en) * | 2019-07-03 | 2020-04-03 | 安徽建筑大学 | Adopt high strength bolted connection's concrete beam column connected node |
| CN214034126U (en) * | 2020-11-10 | 2021-08-24 | 上海结奕建筑咨询事务所 | Node structure for connecting concrete composite beam and flat steel pipe column |
| CN113202184B (en) * | 2021-05-20 | 2022-12-06 | 扬州工业职业技术学院 | Beam-column assembled node suitable for reinforced concrete structure |
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