CN105064512A - Connecting structure of circular steel tube concrete column and steel beam - Google Patents

Connecting structure of circular steel tube concrete column and steel beam Download PDF

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Publication number
CN105064512A
CN105064512A CN201510495925.2A CN201510495925A CN105064512A CN 105064512 A CN105064512 A CN 105064512A CN 201510495925 A CN201510495925 A CN 201510495925A CN 105064512 A CN105064512 A CN 105064512A
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CN
China
Prior art keywords
steel
angle
column
web
girder
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
CN201510495925.2A
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Chinese (zh)
Inventor
刘坚
周观根
于志伟
陈原
张珈铭
高奎
邹勇辉
钟艺琴
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Guangzhou University
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Guangzhou University
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Publication date
Application filed by Guangzhou University filed Critical Guangzhou University
Priority to CN201510495925.2A priority Critical patent/CN105064512A/en
Publication of CN105064512A publication Critical patent/CN105064512A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a connecting structure of a circular steel tube concrete column and a steel beam. The connecting structure comprises a steel column, the steel beam, two pieces of equal angle steel, two pieces of unequal angle steel, unilateral bolts, an inner sleeve and concrete. The connecting structure of the circular steel tube concrete column and the steel beam is large in initial stiffness, high in yield strength, full in hysteretic curve and good in anti-seismic property.

Description

The syndeton of concrete-filled circular steel tube column and girder steel
Technical field
The invention belongs to Structural Engineering long strands field, be specifically related to the syndeton of concrete-filled circular steel tube column and girder steel.
Background technology
At present, profile steel concrete column (inner shaped steel is steel pipe) and steel reinforced concrete girder connection way are: in concrete filled steel tubular column, steel pipe arranges one piece of ring flat-plate at section steel beam top flange place, in section steel beam, steel beam flange is welded with ring flat-plate, and in section steel beam, reinforcing bar part wears shaped steel, and steel pipe is walked around in part bending.This joint form unit in charge of construction must hold successfully steel pipe at processing factory or scene and wear reinforcing bar hole, part beam steel important affair first carries out curved arc, often cannot construct because reinforcing bar causes reinforcing bar to be collided too much in job site, damage to column section is caused to the steel pipe perforate in profile steel concrete column simultaneously, and long construction period.
In engineering practice in the past, usual way is weld stud on round steel pipe steel column, or is directly welded with round steel pipe steel column by the horizontal distribution reinforcing bar of reinforced concrete wall.And under the effect of the natural calamity such as rarely occurred earthquake, hurricane, structure enters elastic-plastic behavior or plastic state, interaction force now between round steel pipe steel column and reinforcing bar girder steel is very large, traditional connected mode is difficult to the collaborative work ensureing round steel pipe steel column and girder steel, and the connection of round steel pipe steel column and reinforcing bar girder steel is once destroy, the anti-side rigidity of structure, ductility and energy dissipation capacity will obviously reduce, and even cause the collapse of total.In addition, the reinforcing bar during tradition connects in girder steel and the steel pipe in round steel pipe steel column need to weld at the scene, and welding quality should not ensure, and Site Welding workload is large, adds difficulty of construction and expense.
Summary of the invention
The deficiency that the present invention exists to overcome above prior art, provides the syndeton of a kind of initial stiffness is large, yield strength is high, hysteresis loop is full, anti-seismic performance is good concrete-filled circular steel tube column and girder steel.
Object of the present invention is realized by following technical scheme:
The syndeton of concrete-filled circular steel tube column and girder steel, comprising: steel column, girder steel, two equal leg angles, two unequal angles, monolateral bolt, inner sleeve and concrete, wherein:
Steel column is round steel pipe, and the tubular steel column cylinder of round steel has some bolts hole; Girder steel is H profile steel, comprise top flange, bottom flange and be positioned at middle part web, the near-end of top flange, bottom flange respectively has some bolts hole; Inner sleeve is arranged in steel column and has some bolts hole; Two unequal angles are respectively top angle steel and bottom angle steel, and the side that top angle steel and bottom angle steel are connected with steel column opens some bolts hole respectively, and the side be connected with girder steel opens some bolts hole respectively; Two equal leg angles are respectively left web-angle and right web-angle, and two faces of left web-angle and right web-angle all have some bolts hole;
The horizontal plane of top angle steel is connected by monolateral bolt with the top flange of girder steel, and the horizontal plane of bottom angle steel is connected by monolateral bolt with the bottom flange of girder steel; First vertical plane of left web-angle is clipped the web of girder steel with the first vertical plane of right web-angle and is connected by monolateral bolt; The vertical plane of top angle steel is connected by monolateral bolt with steel column, and the vertical plane of bottom angle steel is connected by the monolateral bolt through steel column with inner sleeve; Second vertical plane of left web-angle is connected by the monolateral bolt through steel column with inner sleeve, and the second vertical plane of right web-angle is connected by monolateral bolt with steel column; Concreting is in round steel pipe.
Preferably, described monolateral bolt is friction type high strength bolt.
The present invention has following advantage relative to prior art:
1, round steel pipe steel column, fit tightly together between girder steel and two equal leg angles, hole is relative, and adopt monolateral bolt to connect, do not adopt any welding procedure, steel do not become fragile, and initial stiffness is large, yield strength is high, hysteresis loop is full, anti-seismic performance is good.
2, concrete-filled circular steel tube column, top-seat-angle steel, full bolt connection node combination creatively combine by the present invention, it is high that monolateral bolt connects bearing capacity, power performance is good, adopt top-seat-angle steel-full bolt connection node, improve the ductility of steel-structure beam-column node, enhance node energy dissipation ability, further increase the anti-seismic performance of structural entity.
Accompanying drawing explanation
Fig. 1 is concrete-filled circular steel tube column of the present invention and steel reinforced concrete beam connecting node stereogram.
Fig. 2 is the longitudinal sectional view of Fig. 1,
Fig. 3 is the top view of Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Concrete-filled circular steel tube column as shown in Figure 1 to Figure 3 and the syndeton of girder steel, comprise round steel pipe steel column 1, girder steel 2, two equal leg angles 3, two unequal angles 4, monolateral bolt 5, inner sleeve 6 and concrete sevens, wherein:
Steel column 1 is round steel pipe, and tubular steel column 1 cylinder of round steel has 8 bolts hole; Girder steel 2 is H profile steel, comprise upper and lower two edges of a wing and be positioned at middle part web, the near-end on girder steel 2 two edges of a wing respectively has 4 bolts hole; Inner sleeve 6 is arranged in steel column 1 and has 8 bolts hole; Two unequal angles 4 are respectively top angle steel 41 and bottom angle steel 42, and the side that top angle steel 41 and bottom angle steel 42 are connected with steel column 1 opens 2 holes respectively, and the side be connected with girder steel 2 opens 4 holes respectively; Two equal leg angles 3 are respectively left web-angle 31 and right web-angle (being blocked by girder steel in figure), and 2 faces of left web-angle 31 and right web-angle all have 2 bolts hole.
The horizontal plane of top angle steel 41 is connected by monolateral bolt with the top flange of girder steel 2, and the horizontal plane of bottom angle steel 42 is connected by monolateral bolt with the bottom flange of girder steel 2; First vertical plane of left web-angle 31 is clipped the web of girder steel 2 with the first vertical plane of right web-angle and is connected by monolateral bolt; The vertical plane of top angle steel 41 is connected by monolateral bolt with steel column 1, and the vertical plane of bottom angle steel 42 is connected by the monolateral bolt through steel column 1 with inner sleeve 6; Second vertical plane of left web-angle 31 is connected by the monolateral bolt through steel column 1 with inner sleeve 6, and the second vertical plane of right web-angle is connected by monolateral bolt with steel column 1.Concrete seven is cast in round steel pipe.
In above-described embodiment scheme, bolt hole number is determined by mechanical calculation.
As the part preferred version of above-described embodiment scheme, monolateral bolt is friction type high strength bolt.
Processing and the construction of this connected node are as follows:
(1) steel column is penetrating in two sides punches;
On girder steel, bottom flange all needs to punch;
Flush end plate to punch;
Two faces of 4 angle steel all punch.
(2) first top angle steel is connected by monolateral bolt with bottom flange on girder steel with bottom angle steel;
(3) left web-angle is connected by monolateral bolt with the web of girder steel with right web-angle;
(4) left web-angle, right web-angle, top angle steel, bottom angle steel and flush end plate connection steel column.
This connected node, in connection process, is noted ensureing hole aligning, should also be noted that and just twist and twist operating procedure eventually when installing monolateral bolt.

Claims (2)

1. the syndeton of concrete-filled circular steel tube column and girder steel, is characterized in that comprising:
Steel column, girder steel, two equal leg angles, two unequal angles, monolateral bolt, inner sleeve and concrete, wherein:
Steel column is round steel pipe, and the tubular steel column cylinder of round steel has some bolts hole; Girder steel is H profile steel, comprise top flange, bottom flange and be positioned at middle part web, the near-end of top flange, bottom flange respectively has some bolts hole; Inner sleeve is arranged in steel column and has some bolts hole; Two unequal angles are respectively top angle steel and bottom angle steel, and the side that top angle steel and bottom angle steel are connected with steel column opens some bolts hole respectively, and the side be connected with girder steel opens some bolts hole respectively; Two equal leg angles are respectively left web-angle and right web-angle, and two faces of left web-angle and right web-angle all have some bolts hole;
The horizontal plane of top angle steel is connected by monolateral bolt with the top flange of girder steel, and the horizontal plane of bottom angle steel is connected by monolateral bolt with the bottom flange of girder steel; First vertical plane of left web-angle is clipped the web of girder steel with the first vertical plane of right web-angle and is connected by monolateral bolt; The vertical plane of top angle steel is connected by monolateral bolt with steel column, and the vertical plane of bottom angle steel is connected by the monolateral bolt through steel column with inner sleeve; Second vertical plane of left web-angle is connected by the monolateral bolt through steel column with inner sleeve, and the second vertical plane of right web-angle is connected by monolateral bolt with steel column;
Concreting is in round steel pipe.
2. the syndeton of concrete-filled circular steel tube column according to claim 1 and girder steel, is characterized in that: described monolateral bolt is friction type high strength bolt.
CN201510495925.2A 2015-08-12 2015-08-12 Connecting structure of circular steel tube concrete column and steel beam Pending CN105064512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510495925.2A CN105064512A (en) 2015-08-12 2015-08-12 Connecting structure of circular steel tube concrete column and steel beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510495925.2A CN105064512A (en) 2015-08-12 2015-08-12 Connecting structure of circular steel tube concrete column and steel beam

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Publication Number Publication Date
CN105064512A true CN105064512A (en) 2015-11-18

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN105544742A (en) * 2016-02-22 2016-05-04 华北理工大学 Side column node connection structure of fabricated circular steel tube concrete special-shaped column and construction method of side column node connection structure
CN106284662A (en) * 2016-10-11 2017-01-04 西安科技大学 A kind of steel construction coupled column system and attaching method thereof
CN106638942A (en) * 2016-12-30 2017-05-10 广州大学 Coating-tube-binder steel-tube-recycled-concrete-column and steel-girder connecting joint and construction method
CN106638943A (en) * 2016-12-30 2017-05-10 广州大学 Connecting node for steel pipe constrained steel recycled concrete column and steel beam and construction method thereof
CN107237401A (en) * 2017-06-02 2017-10-10 长安大学 The restricted type assembled compound concrete-filled tubular column steel beam joint of boss is set
CN109898652A (en) * 2019-03-16 2019-06-18 浙江高盛钢结构有限公司 Steel part connection structure and attaching method thereof
CN112127476A (en) * 2020-09-30 2020-12-25 江南大学 Assembled beam-column joint connecting device and application thereof

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105544742A (en) * 2016-02-22 2016-05-04 华北理工大学 Side column node connection structure of fabricated circular steel tube concrete special-shaped column and construction method of side column node connection structure
CN105544742B (en) * 2016-02-22 2017-09-15 华北理工大学 Assembled concrete filled steel tube Special-Shaped Column side column node connecting structure and its construction method
CN106284662A (en) * 2016-10-11 2017-01-04 西安科技大学 A kind of steel construction coupled column system and attaching method thereof
CN106638942A (en) * 2016-12-30 2017-05-10 广州大学 Coating-tube-binder steel-tube-recycled-concrete-column and steel-girder connecting joint and construction method
CN106638943A (en) * 2016-12-30 2017-05-10 广州大学 Connecting node for steel pipe constrained steel recycled concrete column and steel beam and construction method thereof
CN107237401A (en) * 2017-06-02 2017-10-10 长安大学 The restricted type assembled compound concrete-filled tubular column steel beam joint of boss is set
CN109898652A (en) * 2019-03-16 2019-06-18 浙江高盛钢结构有限公司 Steel part connection structure and attaching method thereof
CN109898652B (en) * 2019-03-16 2020-10-02 浙江高盛钢结构有限公司 Steel part connecting structure and connecting method thereof
CN112127476A (en) * 2020-09-30 2020-12-25 江南大学 Assembled beam-column joint connecting device and application thereof

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Application publication date: 20151118