CN114753494A - Connecting structure of beam column and steel bar with stiff structure - Google Patents

Connecting structure of beam column and steel bar with stiff structure Download PDF

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Publication number
CN114753494A
CN114753494A CN202110026197.6A CN202110026197A CN114753494A CN 114753494 A CN114753494 A CN 114753494A CN 202110026197 A CN202110026197 A CN 202110026197A CN 114753494 A CN114753494 A CN 114753494A
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CN
China
Prior art keywords
steel
section steel
column
reinforcing
steel column
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110026197.6A
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Chinese (zh)
Inventor
邢兆泳
黄陆川
徐谦
贺永跃
王慧斌
董明祥
刘鑫
于英杰
刘小春
宫正一
徐萌
陈勇伟
武兴雨
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Beijing Urban Construction Rail Transit Construction Engineering Co ltd
Original Assignee
Beijing Urban Construction Rail Transit Construction Engineering Co ltd
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Publication date
Application filed by Beijing Urban Construction Rail Transit Construction Engineering Co ltd filed Critical Beijing Urban Construction Rail Transit Construction Engineering Co ltd
Priority to CN202110026197.6A priority Critical patent/CN114753494A/en
Publication of CN114753494A publication Critical patent/CN114753494A/en
Pending legal-status Critical Current

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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
    • E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts
    • E04C3/32—Columns; Pillars; Struts of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts
    • E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162—Connectors or means for connecting parts for reinforcements
    • E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162—Connectors or means for connecting parts for reinforcements
    • E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
    • E04C5/165—Coaxial connection by means of sleeves

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The invention discloses a beam-column and steel bar connecting structure with a stiff structure, which comprises a first section steel column body and a second section steel column body, wherein connecting plates are welded on the outer wall of the first section steel column body at equal intervals, beam steel bars are transversely connected between every two adjacent first section steel column bodies, column main bars are longitudinally connected on the outer side of the first section steel column body, reinforcing steel bars are installed on the first section steel column body, a first reinforcing plate is welded on the top of the left side of the connecting plate at the left end, a second reinforcing plate is welded on the top of the rear side of the connecting plate at the rear end of the first section steel column body, a sleeve is further arranged on the top of the rear side of the connecting plate at the rear end of the first section steel column body, beam steel bars are installed on the sleeve, steel beam corbels are welded on the outer wall of the first section steel column body at equal intervals, reinforcing beams are welded between the bottom of the steel beam corbels and the outer wall of the second section steel column body, and sleeves are arranged in the middle of the top and the bottom of the steel beam corbels. The invention has the advantage of stable connection between the beam steel bars and the section steel columns.

Description

Connecting structure of beam column and steel bar with stiff structure
Technical Field
The invention relates to the technical field of structural beam columns and steel bar structures, in particular to a connecting structure of a stiff structural beam column and a steel bar.
Background
The large building complex has many special-shaped structures, large span and wide distribution of section steel columns and section steel beams. The beam column reinforcing steel bars with the stiff structure are dense, the local beam gluten reaches up to four layers, and the joint reinforcing steel bar connection is complex. To complicated shaped steel beam column node, the standard requires that the beam reinforcing bar adopts connecting plate or muffjoint with being connected of shaped steel post, if the single connected mode of exclusive use sleeve or connecting plate, when meetting multilayer beam reinforcing bar and shaped steel post connection simultaneously, the field operation face clearance is narrow, and the construction degree of difficulty is big, the steel bar connection quality is difficult to guarantee. In addition, the beam and the column are not orthogonal on the horizontal plane at the local position of the large-scale building complex, part of the beam reinforcing steel bars and the section steel columns are oblique, if the sleeve is used for connection, the sleeve precision must be ensured to be consistent with the angle of the beam, the precision is high when the sleeve is welded, the oblique sleeve is welded in a factory, and the welding angle of the sleeve is difficult to ensure due to the influence of welding stress. For this reason, a stiff structure beam column and steel bar connection structure is proposed.
Disclosure of Invention
The invention aims to provide a beam-column and steel bar connecting structure with a stiff structure, which has the advantage of stable connection between beam steel bars and section steel columns and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a beam column and steel bar connecting structure of a stiff structure comprises a section steel column main body I and a section steel column main body II, wherein connecting plates are welded on the outer wall of the section steel column main body I at equal intervals, beam steel bars are transversely connected between every two adjacent section steel column main bodies I, column main bars are longitudinally connected on the outer side of the section steel column main body I, reinforcing steel bars are installed on the section steel column main bodies I, a reinforcing plate I is welded on the top of the left side of the connecting plate at the left end of the section steel column main body I, a reinforcing plate II is welded on the top of the rear side of the connecting plate at the rear end of the section steel column main body I, two reinforcing plates II are arranged, a sleeve is further arranged on the top of the rear side of the connecting plate at the rear end of the section steel column main body I and is located between the two reinforcing plates II, the beam steel bars are welded on the top of the reinforcing plate I, and the beam steel bars are installed on the sleeve, the steel beam bracket is welded on the two outer walls of the section steel column main body at equal intervals, reinforcing beams are welded between the bottom of the steel beam bracket and the two outer walls of the section steel column main body, sleeves are arranged between the top and the bottom of the steel beam bracket, and the column main ribs are located on the front side and the rear side of the steel beam bracket.
Preferably, a cross web is arranged inside the section steel column main body, and through holes for the reinforcing steel bars to pass through are formed in two sides of the web.
Preferably, the length of the welding seam between the top and the bottom of the first reinforcing plate is 5D, and the length of the welding seam between the second reinforcing plate and the sleeve is consistent with the length of the sleeve.
Preferably, the connecting plate comprises two rectangular plates and two extending plates, and a gap is formed between the two extending plates.
Preferably, the first section steel column body and the second section steel column body are uniformly provided with short steel bars on the outer walls, and the other ends of the short steel bars are fixed with protective nuts.
Preferably, base plates are welded at the bottoms of the first section steel column main body and the second section steel column main body, and threaded holes are formed in the base plates at equal intervals.
Compared with the prior art, the invention has the following beneficial effects:
according to the structure, the lap joints of the beam steel bars are reduced, the stability is improved, the section steel column main bodies are fixedly connected with the column main bars through the sleeves, so that the section steel column main bodies and the column main bars are stably and longitudinally connected, a targeted processing mode is formulated for each node according to different connection conditions of various section steel beam column node steel bars and corresponding national specifications and technical regulations, a comprehensive connection technology of stiff structural steel bars and a steel structure is adopted, the difficulty of a construction process is effectively reduced, the reliability of the connection of the complex section steel beam column node steel bars is ensured, and a certain economic benefit is obtained. The construction quality of the steel bars of the complex section steel nodes is guaranteed, and the structural safety and reliability are effectively guaranteed.
Drawings
FIG. 1 is a schematic view of a transverse connection structure for two section steel columns according to the present invention;
FIG. 2 is a schematic view of the structure of the present invention at C;
FIG. 3 is a schematic cross-sectional view of the structure of the invention A-A;
FIG. 4 is a schematic view of a longitudinal connecting structure of a second main body of the section steel column according to the present invention;
FIG. 5 is a schematic view of the structure at D of the present invention;
FIG. 6 is a schematic cross-sectional view of the present invention B-B.
In the figure: 1. a first section steel column main body; 111. a web; 2. short reinforcing steel bars; 3. a connecting plate; 31. a rectangular plate; 32. an extension plate; 4. a base plate; 5. a first reinforcing plate; 6. beam reinforcing steel bars; 7. a sleeve; 8. a second reinforcing plate; 9. reinforcing steel bars; 10. a section steel column main body II; 11. a column main rib; 12. a reinforcing beam; 13. a steel beam bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a stiff structural beam-column and steel bar connecting structure comprises a first section steel column body 1 and a second section steel column body 10, wherein connecting plates 3 are welded on the outer wall of the first section steel column body 1 at equal intervals, each connecting plate 3 comprises a rectangular plate 31 and two extending plates 32, a gap is formed between every two extending plates 32, beam steel bars 6 are transversely connected between every two adjacent first section steel column bodies 1, column main ribs 11 are longitudinally connected to the outer sides of the second section steel column body 10, reinforcing steel bars 9 are installed on the first section steel column bodies 1, reinforcing plates 5 are welded on the left side top of the connecting plates 3 at the left ends of the first section steel column bodies 1, reinforcing plates 8 are welded on the rear side top of the connecting plates 3 at the rear ends of the first section steel column bodies 1, two reinforcing plates 8 are arranged, and sleeves 7 are further arranged on the rear side top of the connecting plates 3 at the rear ends of the first section steel column bodies 1, the sleeve 7 is located two between the gusset plate two 8, the welding of 5 tops of gusset plate has the beam reinforcing bar 6, install on the sleeve 7 the beam reinforcing bar 6, the equidistant welding of two 10 outer walls of shaped steel post main part has girder steel corbels 13, girder steel corbel 13 bottom with the welding has stiffening beam 12 between two 10 outer walls of shaped steel post main part, the centre of girder steel corbel 13 top and bottom all is provided with sleeve 7, post owner muscle 11 is located both sides around girder steel corbel 13.
The inside web 111 that is cross that is provided with of shaped steel post main part 1, the through hole that supplies reinforcing bar 9 passes through is all seted up to web 111 both sides, if meet boundary beam or become the elevation position and can consider roof beam gluten in shaped steel post main part 1 outside anchor 15D that bends downwards in the actual operation, reinforcing bar 9 can pass through web 111 straight anchor. The remaining bars are anchored adjacent to the web 111.
The welding seam length of 5 tops of gusset plate I and bottom is 5D, adopts two-sided welding 5D promptly, and the steadiness is better, gusset plate II 8 with welding seam length between the sleeve 7 is unanimous with the length of sleeve 7, adopts full welding technology for the stability of being connected between connecting plate 3 and the roof beam reinforcing bar 6 is better, and the stability of being connected between sleeve 7 and the connecting plate 3 is better.
The outer walls of the first section steel column main body 1 and the second section steel column main body 10 are evenly provided with short steel bars 2, and the other ends of the short steel bars 2 are fixed with protective nuts to prevent building staff from being punctured.
The base plate 4 is welded at the bottoms of the first section steel column main body 1 and the second section steel column main body 10, threaded holes are formed in the base plate 4 at equal distances, and the first section steel column main body 1 and the second section steel column main body 10 are conveniently installed on a concrete base layer.
In actual work, when the beam steel bars 6 are arranged in a single row of steel bars, the operation space is large, the beam steel bars and the section steel column main body 1 can be connected through the connecting plate 3 according to the standard requirement, when the beam steel bars are arranged in a single row of steel bars, the operation space is large, and the beam steel bars and the section steel column main body 1 can also be connected through the sleeve 7 according to the standard requirement;
when the two ends of the beam steel bar 6 are connected with the first section steel column body 1 at the same time, if the two ends are connected by the sleeves 7 at the same time, because the first section steel column body 1 is installed in place, the two ends of the beam steel bar 6 can be screwed into the sleeves, the beam steel bar 6 is broken at the lap joint section and the lap joint mode is adopted. Most of the beam reinforcements 6 connected with the section steel column main body 1 have larger diameter and more number. Article 8.4 of GB50010-2010 concrete Structure design Specification: ' longitudinal stressed steel bars with axial tension and small eccentric tension cannot be bound and lapped; when the steel bars in other components are in binding and overlapping, the diameter of the tensioned steel bar is not more than 25mm, the diameter of the compressed steel bar is not more than 28mm, and the number of joints in the same overlapping section is not more than 50%. Therefore, when the two ends of the beam steel bar 6 are connected with the section steel column main body I1 at the same time, in order to avoid the occurrence of lap joints of the beam steel bar 6 with large diameter and reduce the number of the lap joints, a structure that one end is connected by a sleeve 7 and the other end is connected by a connecting plate 3 or the two ends are connected by the connecting plates 3 can be adopted;
when the connecting plate 3 is comprehensively connected with the sleeve 7, the sectional steel column main bodies 1 at the two ends are installed in place, and the beam steel bars 6 are subjected to size measurement blanking according to actual field size in order to prevent the welding length of the steel bars and the connecting plate 3 from meeting the requirement of 5d due to the deviation of the size of the steel bars or prevent the steel bars from being too long and being incapable of being installed on the field in consideration of the positioning error of the sectional steel column main bodies 1;
in actual work, the situation also exists, namely, the beam and the column are not orthogonal on the horizontal plane at the local position of the building complex, part of the beam steel bars 6 and the section steel column main body 1 are oblique, if the sleeve 7 is used for connection, the precision of the sleeve 7 must be ensured to be consistent with the angle of the beam, the precision is high when the sleeve 7 is welded, the oblique sleeve type is welded in a factory, and the welding angle of the sleeve 7 is difficult to ensure due to the influence of welding stress. In order to avoid the situation that the beam steel bars 6 cannot be connected with the section steel column main body 1 due to errors, the beam steel bars 6 and the section steel column main body 1 are connected through the connecting plates.
As shown in fig. 4-6, when the column main reinforcement 11 is blocked by the second section steel column body 10 and the stirrup is blocked by the steel beam bracket 13, the column main reinforcement 11 is avoided as much as possible, if the column main reinforcement cannot be avoided, the steel reinforcement at the position can be broken, but the sleeve 7 needs to be added at the corresponding steel beam position for connection, a stiffening transmission plate needs to be added, and the stirrup can be welded on the stiffening plate.
The working principle is as follows: when the beam-column and steel bar connecting structure with the stiffness structure is used, firstly, a first section steel column main body 1 and a second section steel column main body 10 are installed in place, when the operation space between two adjacent section steel column main bodies 1 is small, one end of a beam steel bar 6 is welded on the two sides through a first reinforcing plate 5 and a connecting plate 3 on the first section steel column main body 1 by 5D, the other end of the beam steel bar 6 is fully welded through a second reinforcing plate 8 and a sleeve 7 on the other section steel column main body 1 by the structure, the lap joint of the beam steel bar 6 is reduced, the stability is improved, the second section steel column main body 10 is fixedly connected with a column main bar 11 through the sleeve 7, the second section steel column main body 10 and the column main bar 11 are stably connected in the longitudinal direction, when the column main bar 11 is blocked by the second section steel column main body 10 and when a stirrup is blocked by a steel beam bracket 13, the column main bar 11 avoids as much as possible, if the steel bar can not be broken, but the sleeve 7 is required to be additionally arranged at the position of the corresponding steel beam for connection, a stiffening transmission plate is additionally arranged, and the stirrup can be welded on the stiffening plate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Strength nature structure beam column and steel bar connection structure, including shaped steel post main part one (1) and shaped steel post main part two (10), its characterized in that: connecting plates (3) are welded on the outer wall of the first section steel column body (1) at equal intervals, beam reinforcing steel bars (6) are transversely connected between every two adjacent first section steel column bodies (1), column main reinforcing steel bars (11) are longitudinally connected on the outer side of the second section steel column body (10), reinforcing steel bars (9) are installed on the first section steel column body (1), reinforcing plates (5) are welded on the top of the left side of each connecting plate (3) at the left end of the first section steel column body (1), reinforcing plates (8) are welded on the top of the rear side of each connecting plate (3) at the rear end of the first section steel column body (1), two reinforcing plates (8) are arranged, sleeves (7) are further arranged on the top of the rear side of each connecting plate (3) at the rear end of the first section steel column body (1), and the sleeves (7) are located between the two reinforcing plates (8), the welding of gusset plate (5) top has girder steel muscle (6), install on sleeve (7) girder steel muscle (6), the equidistant welding of shaped steel post main part two (10) outer wall has girder steel bracket (13), girder steel bracket (13) bottom with the welding has stiffening beam (12) between shaped steel post main part two (10) outer wall, the centre of girder steel bracket (13) top and bottom all is provided with sleeve (7), post owner muscle (11) are located both sides around girder steel bracket (13).
2. The stiff structure beam column and steel bar connection structure of claim 1, wherein: the cross-shaped web (111) is arranged inside the section steel column main body I (1), and through holes for the reinforcing steel bars (9) to pass through are formed in two sides of the web (111).
3. The stiff structure beam column and steel bar connection structure of claim 1, wherein: the length of the welding seam at the top and the bottom of the first reinforcing plate (5) is 5D, and the length of the welding seam between the second reinforcing plate (8) and the sleeve (7) is consistent with that of the sleeve (7).
4. The stiff structural beam-column and steel bar connection structure of claim 1, wherein: the connecting plate (3) comprises a rectangular plate (31) and two extending plates (32), and a gap is formed between the two extending plates (32).
5. The stiff structure beam column and steel bar connection structure of claim 1, wherein: the outer walls of the first section steel column main body (1) and the second section steel column main body (10) are uniformly provided with short steel bars (2), and the other ends of the short steel bars (2) are fixed with protective nuts.
6. The stiff structure beam column and steel bar connection structure of claim 1, wherein: the base plate (4) is welded at the bottoms of the first section steel column main body (1) and the second section steel column main body (10), and threaded holes are formed in the base plate (4) at equal intervals.
CN202110026197.6A 2021-01-08 2021-01-08 Connecting structure of beam column and steel bar with stiff structure Pending CN114753494A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110026197.6A CN114753494A (en) 2021-01-08 2021-01-08 Connecting structure of beam column and steel bar with stiff structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110026197.6A CN114753494A (en) 2021-01-08 2021-01-08 Connecting structure of beam column and steel bar with stiff structure

Publications (1)

Publication Number Publication Date
CN114753494A true CN114753494A (en) 2022-07-15

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ID=82324968

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110026197.6A Pending CN114753494A (en) 2021-01-08 2021-01-08 Connecting structure of beam column and steel bar with stiff structure

Country Status (1)

Country Link
CN (1) CN114753494A (en)

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