CN113638504A - Rigid connection method and connection structure of roof solid-web steel beam and concrete column - Google Patents
Rigid connection method and connection structure of roof solid-web steel beam and concrete column Download PDFInfo
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- CN113638504A CN113638504A CN202110843197.5A CN202110843197A CN113638504A CN 113638504 A CN113638504 A CN 113638504A CN 202110843197 A CN202110843197 A CN 202110843197A CN 113638504 A CN113638504 A CN 113638504A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 202
- 239000010959 steel Substances 0.000 title claims abstract description 202
- 239000004567 concrete Substances 0.000 title claims abstract description 135
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000010276 construction Methods 0.000 claims abstract description 25
- 238000003466 welding Methods 0.000 claims abstract description 25
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 12
- 230000002787 reinforcement Effects 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims description 26
- 238000005520 cutting process Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- 230000003014 reinforcing effect Effects 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 11
- 230000000149 penetrating effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 210000001015 abdomen Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000005728 strengthening Methods 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
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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
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
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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
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
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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
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to a rigid joint connection method and a rigid joint connection structure of a roof solid-web steel beam and a concrete column, which are characterized in that: forming a concrete frame column and a roof solid-web steel beam according to a construction process, wherein before the concrete frame column is formed, longitudinal frame beam reinforcing steel bars, longitudinal reinforcing steel bars and transverse reinforcing steel bars are arranged in the concrete frame column to form an inner reinforcement supporting structure of the concrete frame column; arranging longitudinal battens at the joints of the concrete frame columns and the roof solid-web steel beams to form reinforced inner support structures at the joints; the outer surface of the concrete frame column is provided with a tensile steel plate, and the tensile steel plate is fixedly connected with the reinforced inner support structure to form a rigid connection node; welding and fixing the roof solid-web steel beam and the rigid connecting node to form a rigid node connecting structure; and forming a rigid support system formed by connecting the concrete frame columns and the roof solid-web steel beams. The structure is simple, the construction is convenient, and the joint quality is good.
Description
Technical Field
The invention relates to a rigid contact connection method and a rigid contact connection structure of a roof solid-web steel beam and a concrete column, which are suitable for a power plant factory building structure. Belongs to the technical field of structural engineering in civil engineering.
Background
At present, a steam turbine room is an important component of a main plant of a thermal power plant. The roof solid web steel beam of the steam turbine room is mainly supported on the steam turbine room framework. In the prior art, the connection mode of the roof solid-web steel beam and the concrete frame column has two types: firstly, adopt traditional trapezoidal steel roof truss, its roof truss is connected for articulated the connection with the frame post, has following shortcoming: the height of the steam turbine room is increased, the manufacturing cost is improved, more rod pieces are used for the steel roof truss, and later-period corrosion prevention and maintenance are difficult and high in cost. Secondly, the embedded sleeve penetrates through the bolt and is fixedly connected with the column side embedded iron, and although the height of the steam turbine room cannot be increased, the embedded sleeve has the following problems: (1) the field type requirement is higher, and the frame column structure and the roof structure of the steam turbine room are marked as concrete structures; (2) the integral frame structure of the steam turbine room is complex, the cost is high, and the construction is difficult; (3) the calculation and the setting difficulty of the connecting node of the roof solid-web steel beam and the concrete frame column are large. For example: a roof solid-web steel beam of a certain power plant steam turbine room is connected with a concrete frame column node through bolts and steel plate anchor bars, and bolt sleeves are embedded in the side faces of concrete columns. Need pre-buried sleeve pipe and embedded part anchor bar in this connected mode many and close, with the difficult control of embedded plate welding quality, occupy very big space, including longeron and post reinforcing bar, the quality is hardly guaranteed in the node concrete placement.
Therefore, the connecting structure for fixing the embedded sleeve through bolt and the column side embedded iron in the prior art has the problems of complex structure, difficult construction, poor joint connection quality, high calculation and setting difficulty of the connecting joint of the roof solid-web steel beam and the concrete frame column and the like.
Disclosure of Invention
One of the purposes of the invention is to provide a rigid joint connection method of a roof solid web steel beam and a concrete column, aiming at solving the problems of complex structure, difficult construction, poor joint connection quality, high calculation and arrangement difficulty of a connection joint of the roof solid web steel beam and the concrete frame column and the like of a connection structure for fixing an embedded sleeve penetrating bolt and a column side embedded iron in the prior art. The method has the outstanding substantive characteristics and the obvious technical progress of simple structure, convenient construction, good node quality, convenient calculation and arrangement of the connection node of the roof solid-web steel beam and the concrete frame column and the like.
The second purpose of the invention is to provide a rigid joint connection structure of a roof solid web steel beam and a concrete column, aiming at solving the problems of complex structure, difficult construction, poor joint connection quality, high calculation and arrangement difficulty of a connection joint of the roof solid web steel beam and the concrete frame column and the like of the connection structure of the embedded sleeve penetrating bolt and the column side embedded iron in the prior art. The method has the outstanding substantive characteristics and the obvious technical progress of simple structure, convenient construction, good node quality, convenient calculation and arrangement of the connection node of the roof solid-web steel beam and the concrete frame column and the like.
One of the purposes of the invention can be achieved by adopting the following technical scheme:
a rigid contact connection method of a roof solid-web steel beam and a concrete column is characterized in that:
1) forming a concrete frame column and a roof solid-web steel beam according to a construction process, wherein before the concrete frame column is formed, longitudinal frame beam reinforcing steel bars, longitudinal reinforcing steel bars and transverse reinforcing steel bars are arranged in the concrete frame column to form an inner reinforcement supporting structure of the concrete frame column; arranging longitudinal battens at the joints of the concrete frame columns and the roof solid-web steel beams to form reinforced inner support structures at the joints;
2) the outer surface of the concrete frame column is provided with a tensile steel plate, and the tensile steel plate is fixedly connected with the reinforced inner support structure to form a rigid connection node; welding and fixing the roof solid-web steel beam and the rigid connecting node to form a rigid node connecting structure;
3) through a plurality of rigid node connection structures which are arranged in a distributed mode, a rigid support system formed by connecting concrete frame columns and roof solid web steel beams is formed.
One of the purposes of the invention can be achieved by adopting the following technical scheme:
furthermore, the tensile steel plates are pre-embedded at the edges of the concrete frame columns before the concrete frame columns are formed, the tensile steel plates and the longitudinal battens are fixedly welded and connected into a whole, the tensile steel plates are located at the symmetrical positions of the two sides of the concrete frame columns or wrapped on the outer surfaces of the concrete frame columns, and the tensile steel plates are exposed after the concrete frame columns are formed to form exposed welding points for connecting the roof solid-web steel beams.
Furthermore, for the connecting structure of the roof solid-web steel beam, the tensile steel plate and the longitudinal lath which are fixedly welded, before concrete is poured, the longitudinal lath and the tensile steel plate are subjected to double-sided opening welding to form an integral structure, after the concrete is poured, the pre-embedded longitudinal lath and the tensile steel plate are combined together, and the concrete frame column at the joint of the nodes is equivalent to a steel plate concrete column.
The second purpose of the invention can be achieved by adopting the following technical scheme:
the utility model provides a solid web girder steel of roofing and concrete column's rigid contact connection structure, includes concrete frame post and the solid web girder steel of roofing, its structural feature lies in: longitudinal frame beam steel bars, longitudinal reinforcing bars and transverse reinforcing bars are arranged in the concrete frame column to form an inner bar supporting structure of the concrete frame column; arranging longitudinal battens at the joints of the concrete frame columns and the roof solid-web steel beams to form reinforced inner support structures at the joints; at the joint of the concrete frame column and the roof solid-web steel beam, a tensile steel plate is arranged on the outer surface of the concrete frame column, and the tensile steel plate and the reinforced inner support structure are fixed through welding to form a rigid connection node; welding and fixing the roof solid-web steel beam and the rigid connecting node to form a rigid node connecting structure; a rigid supporting system formed by connecting concrete frame columns and roof solid-web steel beams is formed by a plurality of distributed rigid node connecting structures.
The second purpose of the invention can be achieved by adopting the following technical scheme:
furthermore, an angle steel plate is arranged at the welding position of the roof solid-web steel beam and the rigid connecting node, so that the roof solid-web steel beam and the rigid connecting node can be conveniently welded and fixed; the angle steel plate has two, is upper and lower setting, is equipped with the supporting steel plate on the upper side of last angle steel plate, is equipped with horizontal supporting steel plate at the downside of last angle steel plate, is equipped with down supporting steel plate at the downside of angle steel plate down, constitutes supplementary welded structure to supplementary roofing solid web girder steel and rigid connection node welded fastening.
Furthermore, the tensile steel plate is a Z-direction steel plate and has a tensile and compressive structure.
The invention has the following prominent substantive characteristics and remarkable progress:
1. the invention relates to a rigid joint connection method of a roof solid-web steel beam and a concrete column.A longitudinal lath is arranged at the joint of the concrete frame column and the roof solid-web steel beam in a reinforcing way to form a reinforcing inner support structure at the joint; wrapping a tensile steel plate on the outer surface of the concrete frame column, and welding and fixing the roof solid-web steel beam and the rigid connection node to form a rigid node connection structure; a rigid supporting system formed by connecting concrete frame columns and roof solid-web steel beams is formed by a plurality of distributed rigid node connecting structures. Therefore, the problems that the connection structure of the embedded sleeve penetrating bolt and the column side embedded iron fixing in the prior art is complex in structure, difficult to construct, poor in joint connection quality, high in calculation and setting difficulty of the connection joint of the roof solid web steel beam and the concrete frame column and the like are solved, and the embedded sleeve penetrating bolt and column side embedded iron fixing connection structure has prominent substantive characteristics and obvious technical progress, and is simple in structure, convenient to construct, good in joint quality, convenient in calculation and setting of the connection joint of the roof solid web steel beam and the concrete frame column and the like.
2. The invention relates to a rigid joint connecting structure of a roof solid-web steel beam and a concrete column, which is characterized in that a longitudinal lath is arranged at the joint of the concrete frame column and the roof solid-web steel beam in a reinforcing way to form a reinforcing inner support structure at the joint; at the joint of the concrete frame column and the roof solid-web steel beam, the outer surface of the concrete frame column is wrapped with a tensile steel plate, and the tensile steel plate and the reinforced inner support structure are fixed by welding to form a rigid connection node; welding and fixing the roof solid-web steel beam and the rigid connecting node to form a rigid node connecting structure; a rigid supporting system formed by connecting concrete frame columns and roof solid-web steel beams is formed by a plurality of distributed rigid node connecting structures. Therefore, the problems that the connection structure of the embedded sleeve penetrating bolt and the column side embedded iron fixing in the prior art is complex in structure, difficult to construct, poor in joint connection quality, high in calculation and setting difficulty of the joint of the roof solid web steel beam and the concrete frame column and the like are solved, and the embedded sleeve penetrating bolt and column side embedded iron fixing connection structure has the outstanding substantive characteristics and obvious technical progress that the structure is simple, the construction is convenient, the joint quality is good, the calculation and setting of the joint of the roof solid web steel beam and the concrete frame column are convenient and the like.
3. By applying the invention, the longitudinal laths are arranged at the joint of the concrete frame column and the roof solid-web steel beam in a reinforcing way to form a reinforcing inner supporting structure at the joint; at the junction of concrete frame post and the real abdomen girder steel of roofing, concrete frame post surface parcel has the tensile steel sheet, the tensile steel sheet passes through welded fastening with strengthening the inner support structure, forms rigid connection node, consequently, can reduce the quantity of pre-buried steel sheet under the node atress condition that the same bore, has with little, the characteristics with low costs of steel quantity. Owing to need not to set up the bolt sleeve pipe, can reduce the steel volume on the one hand, on the other hand makes things convenient for the construction, improves the efficiency of construction, saves time, can be under the condition of same floor elevation on the other hand again, and the space of node is saved to corresponding reduction frame column height, is favorable to concrete placement, makes things convenient for the construction, has guaranteed construction quality.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a connection node according to embodiment 1 of the present invention.
Fig. 3 is a schematic sectional view of the structure along the line a-a in fig. 2.
Fig. 4 is a schematic sectional view of the structure along the direction B-B in fig. 2.
Fig. 5 is a schematic view of an intermediate span structure of a transverse template of a main building in an application state according to embodiment 1 of the present invention.
Fig. 6 is a schematic diagram of a roof arrangement of a state-of-application steam turbine room according to embodiment 1 of the present invention.
Fig. 7 is a schematic view of a prior art roof truss in hinged connection with frame posts.
Fig. 8 is a schematic cross-sectional view of the structure along the direction C-C in fig. 7.
Fig. 9 is a schematic structural view of fixing a bolt penetrating through a pre-buried pipe and a side buried iron of a pre-buried column in the prior art.
Detailed Description
Specific example 1:
referring to fig. 1 to 4, a rigid contact connection structure of a roof solid-web steel beam and a concrete column according to embodiment 1 of the present invention includes a concrete frame column 1 and a roof solid-web steel beam 2, and a longitudinal frame beam steel bar, a longitudinal reinforcing bar, and a transverse reinforcing bar are provided in the concrete frame column 1 to form an inner bar support structure of the concrete frame column 1; arranging longitudinal battens 3-2 at the joints of the concrete frame columns 1 and the roof solid-web steel beams 2 to form reinforced inner support structures at the joints; at the joint of the concrete frame column 1 and the roof solid-web steel beam 2, a tensile steel plate 3-1 is arranged on the outer surface of the concrete frame column 1, and the tensile steel plate 3-1 and the reinforced inner support structure are fixed by welding to form a rigid connection node; welding and fixing the roof solid-web steel beam 2 and the rigid connecting node to form a rigid node connecting structure 3; a rigid supporting system formed by connecting a concrete frame column 1 and a roof solid web steel beam 2 is formed by distributing a plurality of rigid node connecting structures 3.
In this embodiment:
and a roof purline 2-1 is arranged on the bottom surface of the roof solid web steel beam 2. An angle steel plate 4 is arranged at the welding position of the roof solid-web steel beam 2 and the rigid connection node so as to facilitate the welding and fixing of the roof solid-web steel beam 2 and the rigid connection node; the angle steel plate 4 has two, is upper and lower setting, is equipped with supporting steel plate 7 on the upside of angle steel plate, is equipped with horizontal supporting steel plate 5 on the downside of angle steel plate, is equipped with under bracing steel plate 6 under the downside of angle steel plate, constitutes supplementary welded structure to supplementary roofing real abdomen girder steel 2 and rigid connection node welded fastening.
The tensile steel plate is a Z-direction steel plate and has a tensile and compressive structure.
The rigid connection method of the roof solid-web steel beam and the concrete column, which is related by the embodiment, is characterized in that:
1) forming a concrete frame column 1 and a roof solid-web steel beam 2 according to a construction process, wherein before the concrete frame column 1 is formed, longitudinal frame beam steel bars, longitudinal reinforcing bars and transverse reinforcing bars are arranged in the concrete frame column 1 to form an inner reinforcing bar supporting structure of the concrete frame column 1; longitudinal battens 3-2 are arranged at the joints of the concrete frame columns 1 and the roof solid-web steel beams 2 to form reinforced inner support structures at the joints;
2) the outer surface of the concrete frame column 1 is provided with a tensile steel plate 3-1, and the tensile steel plate 3-1 is fixedly connected with the reinforced inner support structure to form a rigid connection node; welding and fixing the roof solid-web steel beam 2 and the rigid connecting node to form a rigid node connecting structure 3;
3) through a plurality of rigid node connection structures 3 that the distributing type set up, form the rigid support system who constitutes by concrete frame post 1 and roofing solid web girder steel 2 connection.
One of the purposes of the invention can be achieved by adopting the following technical scheme:
furthermore, the tensile steel plates 3-1 are pre-embedded at the edges of the concrete frame column 1 before the concrete frame column 1 is formed, the tensile steel plates 3-1 and the longitudinal battens 3-2 are fixedly welded and connected into a whole, the tensile steel plates 3-1 are located at the symmetrical positions of the two sides of the concrete frame column 1 or wrapped on the outer surface of the concrete frame column 1, and the tensile steel plates are exposed after the concrete frame column 1 is formed to form an exposed welding point for connecting the roof solid-web steel beam 2.
Further, for the connecting structure of the roof solid-web steel beam 2, the tensile steel plate 3-1 and the longitudinal steel strip 3-2 which are fixedly welded, before concrete is poured, the longitudinal steel strip 3-2 and the tensile steel plate 3-1 are subjected to double-sided opening welding to form an integral structure, after the concrete is poured, the pre-embedded longitudinal steel strip 3-2 and the tensile steel plate 3-1 are combined together, and a concrete frame column at the joint is equivalent to a steel plate concrete column.
The application of the present embodiment is described in detail below with reference to the accompanying drawings:
referring to fig. 5-6, which are the roof structure diagrams of a main power plant, the circle in the diagrams shows the connection position of the solid web steel beam of the roof and the rigid node of the concrete frame column 1. In practical application, the rigid contact connection structure of the roof solid-web steel beam 2 and the concrete frame column 1 is characterized in that the roof solid-web steel beam 2 has a two-span structure, the end parts of the left span and the right span and the concrete frame column 1 form a rigid contact connection structure, and a roof purline 2-1 is arranged on the bottom surface of the roof solid-web steel beam 2. The rigid contact connection structure comprises three parts: tensile steel plates 3-1 (Z-direction steel plates) arranged on the outer surfaces of the frame columns, steel plate strips and solid-web steel beams symmetrically pre-buried on two sides of the frame columns. Has the following three effects:
(1) in the economic aspect: under the condition of the same bearing node stress, the invention reduces the consumption of the pre-buried steel plates, does not have bolt sleeves, also reduces the consumption of steel, reduces the total consumption of steel by about 50 percent, and correspondingly reduces the height of the frame column under the condition of the same floor elevation. The cross-sectional dimension of the frame column of the steam turbine room can be reduced, and the height of the steam turbine room is reduced. As the beam-column connection adopts the rigid joint for areas with higher seismic intensity, the height of a plant is properly reduced, the section size of the column can be effectively reduced, the size of the connection buried iron can also be reduced, and the manufacturing cost is reduced by more than 15%. The construction difficulty on site is reduced, and the construction quality is ensured; because the frame column main reinforcements, the stirrups, the longitudinal beam main reinforcement stirrups, the anchor reinforcements embedded with iron and the pre-embedded sleeves are arranged in the nodes, in a limited space, extruded gaps are small, the spacing is basically smaller than 50mm, and the difficulty in concrete pouring is high; the node of the invention can fully expand the distance between the rod pieces and ensure the bond stress between the concrete and the reinforcing steel bars.
(2) Construction aspect: the invention greatly saves the space of the node, effectively prevents the collision and intersection of the embedded anchor bar, the embedded sleeve and the main structural steel bar, is beneficial to concrete pouring, is convenient to construct and ensures the construction quality.
(3) In the aspect of stress: the batten is vertically arranged along the column height direction, beam column main reinforcements of the node column are not affected to be directly connected, the steel batten and the Z-direction steel plate are welded through double-sided cutting, after concrete is poured, the embedded steel plate and the frame column are perfectly combined together, the node is processed according to the mode, the concrete frame column at the node is equivalent to a steel plate concrete column, and the roof steel beam and the embedded Z-direction steel plate completely meet the stress requirement of rigid connection, so that the roof steel beam and the embedded Z-direction steel plate are safe and reliable.
Practical application proves that the invention has convenient construction and reasonable stress of the rigid joint connecting structure, can meet the requirements of safety, practicability and economy, and can be used in areas with higher earthquake intensity.
The joint for connecting the roof steel beam and the concrete column can be arranged in a steam turbine room of a power plant and can also be used for other large-span plants, and the requirements of structural stress and construction quality are met at one time; the invention can make the stress of the node more definite, is convenient for construction, saves the steel consumption and ensures the construction quality. Safe and economical, and can be used in areas with high seismic intensity. Practical applications have also demonstrated:
the technical scheme of the invention is successfully applied to high earthquake intensity areas, and the roof adopts a solid-web steel beam reinforced concrete structure, so that the roof leakage is effectively prevented, and the roof is safe and reliable.
The technical scheme of the invention is applied to the rigidity of the solid-web steel beam and the concrete column, does not need to adopt a steel truss for meeting the load requirement, compresses the structural height of the steam turbine room, not only saves space, but also ensures the beauty and the generousness required by owners, is convenient to construct and can more effectively ensure the construction quality.
The technical scheme of the invention saves the height of the frame column, saves the steel consumption of the node and saves the engineering investment. Estimated, the scheme can save 50% of civil engineering cost.
The technical key point of the invention is that through reasonable design, the roof steel beam and the concrete column are connected to form a rigid joint, and the perfect connection of the solid web steel beam and the concrete frame column of the large-scale power plant is solved at one time. The point to be protected is a connecting node of a roof steel beam and a concrete column.
Claims (6)
1. A rigid contact connection method of a roof solid-web steel beam and a concrete column is characterized in that:
1) forming a concrete frame column (1) and a roof solid-web steel beam (2) according to a construction process, wherein before the concrete frame column (1) is formed, longitudinal frame beam steel bars, longitudinal reinforcing steel bars and transverse reinforcing steel bars are arranged in the concrete frame column (1) to form an inner reinforcing steel bar supporting structure of the concrete frame column (1); longitudinal battens (3-2) are arranged at the joints of the concrete frame columns (1) and the roof solid-web steel beams (2) to form a reinforced inner supporting structure at the joint;
2) the outer surface of the concrete frame column (1) is provided with a tensile steel plate (3-1), and the tensile steel plate is fixedly connected with the reinforced inner support structure to form a rigid connection node; welding and fixing the roof solid-web steel beam (2) and the rigid connecting node to form a rigid node connecting structure (3);
3) through a plurality of rigid node connection structures (3) which are arranged in a distributed mode, a rigid support system formed by connecting concrete frame columns (1) and roof solid-web steel beams (2) is formed.
2. A method of connecting a rigid joint of a solid roof steel web to a concrete column as claimed in claim 1, wherein: the concrete frame column is characterized in that the tensile steel plates (3-1) are pre-embedded at the edge of the concrete frame column (1) before the concrete frame column (1) is formed, the tensile steel plates (3-1) and the longitudinal battens (3-2) are fixedly welded into a whole, the tensile steel plates (3-1) are located at the symmetrical positions of the two sides of the concrete frame column (1) or wrapped on the outer surface of the concrete frame column (1), and the tensile steel plates (3-1) are exposed after the concrete frame column (1) is formed to form an exposed welding point for connecting the roof solid-web steel beam (2).
3. A method of connecting a rigid joint of a solid roof steel web to a concrete column as claimed in claim 2, wherein: for the connecting structure of the roof solid web steel beam (2), the tensile steel plate and the longitudinal lath which are fixedly welded, the longitudinal lath (3-2) and the tensile steel plate (3-1) are subjected to double-sided cutting and welding to form an integral structure before concrete is poured, and after the concrete is poured, the pre-embedded longitudinal lath (3-2) and the tensile steel plate (3-1) are combined together, so that a concrete frame column at a joint is equivalent to a steel plate concrete column.
4. The utility model provides a solid web girder steel of roofing and concrete column's rigid connection point connection structure, includes concrete frame post (1) and solid web girder steel of roofing (2), its characterized in that: longitudinal frame beam steel bars, longitudinal reinforcing steel bars and transverse reinforcing steel bars are arranged in the concrete frame column (1) to form an inner reinforcement supporting structure of the concrete frame column (1); arranging longitudinal battens (3-2) at the joints of the concrete frame columns (1) and the roof solid-web steel beams (2) to form a reinforced inner supporting structure at the joint; at the joint of the concrete frame column (1) and the roof solid-web steel beam (2), a tensile steel plate (3-1) is arranged on the outer surface of the concrete frame column (1), and the tensile steel plate (3-1) and the reinforced inner support structure are fixed by welding to form a rigid connection node; welding and fixing the roof solid-web steel beam (2) and the rigid connecting node to form a rigid node connecting structure (3); a rigid supporting system formed by connecting a concrete frame column (1) and a roof solid-web steel beam (2) is formed by a plurality of distributed rigid node connecting structures (3).
5. A rigid joint connection structure of a roof solid steel web and concrete column as claimed in claim 4, wherein: an angle steel plate (4) is arranged at the welding position of the roof solid-web steel beam (2) and the rigid connection node so as to facilitate the welding and fixing of the roof solid-web steel beam (2) and the rigid connection node; angle steel sheet (4) have two, are upper and lower setting, are equipped with supporting steel plate (7) on the upside of last angle steel sheet, are equipped with horizontal supporting steel plate (5) at the downside of last angle steel sheet, are equipped with under bracing steel plate (6) at the downside of angle steel sheet down, constitute supplementary welded structure to supplementary roofing solid web girder steel (2) and rigid connection node welded fastening.
6. A rigid joint connection structure of a roof solid steel web and concrete column as claimed in claim 4 or 5, wherein: the tensile steel plate is a Z-direction steel plate and has a tensile and compressive structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110843197.5A CN113638504A (en) | 2021-07-26 | 2021-07-26 | Rigid connection method and connection structure of roof solid-web steel beam and concrete column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110843197.5A CN113638504A (en) | 2021-07-26 | 2021-07-26 | Rigid connection method and connection structure of roof solid-web steel beam and concrete column |
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| CN113638504A true CN113638504A (en) | 2021-11-12 |
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