CN102383498A - Equal-strength connection nodes of high-strength bolts for box-shaped steel tube frame columns and method for making same - Google Patents
Equal-strength connection nodes of high-strength bolts for box-shaped steel tube frame columns and method for making same Download PDFInfo
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- CN102383498A CN102383498A CN2011102775754A CN201110277575A CN102383498A CN 102383498 A CN102383498 A CN 102383498A CN 2011102775754 A CN2011102775754 A CN 2011102775754A CN 201110277575 A CN201110277575 A CN 201110277575A CN 102383498 A CN102383498 A CN 102383498A
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Abstract
The invention relates to equal-strength connection nodes, in particular to butt joints of multi-layer high-rise steel structure frame columns. A steel frame structure is generally composed of square or rectangular steel tube columns and H-shaped steel frame cross beams. Connecting steel plates arranged inside and outside steel tubes are connected at equal strength by high-strength bolts. The equal-strength connection nodes of the high-strength bolts for the box-shaped steel tube frame columns have simple structures, high assembly precision and same bearing capacity and are convenient to install and safe to use.
Description
Technical field
Patent of the present invention relates to strong connected node such as a kind of grade, relates in particular to a kind of multilayer and is connected with the butt joint of high-rise steel structure frame column, and steel framed structure generally is made up of square or rectangle steel tubing string and H structural steel frame crossbeam.
Background technology
The Eleventh Five-Year Plan period, China's steel output has reached 300,000,000 tons, and output of steel has increased nearly 20 times by more than 1,000 ten thousand tons of Firist Five-Year Plan.For a long time in the structural engineering field, except large span (
L>=60m) construction work is adopted outside the steel work, generally all adopts reinforced concrete structure, because under the limited condition of output of steel, a lot of fields of economic construction all need steel, so a large amount of engineerings replace steel work with bar construction in the building field.Along with development of economic construction, steel work except large span (
L>=outside 60m) public and industrial construction are used, in huge pillar net, the many high residential buildings of large bay and office premises building, adopt steel framed structure also to increase gradually.From " recycling economy ", the analysis of " sustainable development " and " renewable resource utilization " policy; The building of reinforced concrete structure is after expiring dismounting service life; Can not recycling, and steel building, reach its service life and after removing; After reaching dismounting its service life, its agent structure can be melted down again.Become the useful talent, reach the effect of " energy-saving and emission-reduction ".
Present domestic high level and super highrise building adopt steel work more and more many as the engineering of major structure of construction, promptly adopt the agent structure of steel framed structure as building, and its frame column is general to adopt square or square-section steel pipe, and its cruciform bracing adopts
HShaped steel adopts the box section frame column, and building site joint node must be arranged, and the building site joint of box column has two kinds at present, a kind of for box column add otic placode after the building site butt joint be welded to connect, a large amount of building sites are welded to connect, and have increased the difficulty that the building site prevents fire; Strong connections such as another kind of employing " flange plate type " high-strength bolt, this connected mode is at the node place, and column section will amplify (1.3～1.5) doubly; Influencing the steel work shingle nail lays; The present invention is directed to box-shaped steel framework post building site joint, carry a kind of novel building site joint construction, it had both avoided the building site to be welded to connect; Stop the generation of fire incident, avoid flange high-strength bolt joint to cause this node cross section, place to amplify (1.3～1.5) drawback doubly again.
Summary of the invention
The present invention solves the deficiency that exists in the prior art; A kind of steel frame box column building site new method and neotectonics that butt joint connects are provided; Overcoming the butt joint of original box column building site connects; The deficiency of two kinds of technology promotes strong connected nodes such as box-shaped steel framework post high-strength bolt that the assembled integral steel framed structure further develops and preparation method thereof.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals:
Strong connected node such as a kind of box-shaped steel framework post high-strength bolt; Comprise tube wall upper post junction; The both sides of described tube wall upper post junction are respectively equipped with inwall junction plate and outer wall junction plate; Described inwall junction plate and outer wall junction plate and tube wall upper post junction fix through last high-strength bolt, and the lower end of described inwall junction plate and outer wall junction plate forms tube wall lower post opening, insert tube wall lower post junction in the described tube wall lower post opening; Described tube wall lower post junction is provided with the notch of an end opening; Described inwall junction plate passes through high-strength bolt crimping mutually down with the outer wall junction plate with tube wall lower post junction, and described notch plugs with following high-strength bolt, and described tube wall upper post junction and tube wall lower post junction connect.
The present invention passes through strong connections such as high-strength bolt according to high-strength bolt ultimate shear-carrying capacity principle with two butt joint box columns with the inside and outside wall junction plate, by sealing around the box-shaped pipe, this connection is irrealizable by routine.The present invention is according to high-strength bolt shear-carrying capacity principle, with the former tapping in tube wall lower post junction of two butt joint posts, is listed as by pore-forming and changes into otch according to bolt aperture and vertical, horizontally-arranged.Then dock before the tube wall lower post is connected installation; In advance with inside and outside connection connecting plate and high-strength bolt be connected with the tube wall upper post connect after; Adopt plug-in type to dock with the tube wall lower post junction of bottom otch along notch in the building site; Dock in place after, with high-strength bolt lemon around the post tight after, promptly form strong connected nodes such as the inside and outside dual link plate hight of box column strength bolt.Structure of the present invention, make box column adopt inside and outside wall splicing steel plate high-strength bolt connect from can not to maybe, and overcome some defective of traditional box column butt joint connected node, form strong connected nodes such as a kind of novel high-strength bolt.
As preferably; One side of described inwall junction plate and outer wall junction plate and tube wall upper post junction is provided with the last high-strength bolt that 3 row, 2 row distribute in length and breadth, and described inwall junction plate is listed as the following high-strength bolt mutually crimping that in length and breadth distribute with one side of tube wall lower post junction through being provided with 3 row 2 with the outer wall junction plate.
As preferably, the described high-strength bolt of going up is 10.9 grades of friction-type high-strength bolts with following high-strength bolt.
The preparation method of strong connected node such as a kind of box-shaped steel framework post high-strength bolt, carry out according to the following steps:
(1), is provided with the inner bolt hole that 3 row, 2 row distribute in length and breadth in tube wall upper post junction; On inwall junction plate and outer wall junction plate, be respectively equipped with the bolt hole that symmetrical 6 row, 2 row distribute in length and breadth, the symmetrical distribution of bolt hole on inwall junction plate and the outer wall junction plate and inner bolt hole;
(2), the bolt hole in inner bolt hole in the tube wall upper post junction and inwall junction plate and the outer wall junction plate fixes through high-strength bolt on 10.9 grades of friction-types; Be used for that high-strength bolt is fixed on earlier between inwall junction plate and outer wall junction plate under 10.9 grades of friction-types of crimping tube wall lower post junction, inwall junction plate and outer wall junction plate form tube wall lower post opening;
(3), tube wall lower post opening aligning is inserted into the tube wall lower post junction that four limits have notch; Tube wall lower post junction and tube wall upper post junction are connected; Tighten down high-strength bolt again, crimping is fastening mutually to make tube wall lower post junction and inwall junction plate and outer wall junction plate;
(4), regulating last high-strength bolt and following high-strength bolt again makes it fastening.
Strong connected node such as a kind of box-shaped steel framework of the present invention post high-strength bolt and preparation method thereof, simple in structure, easy for installation, safe in utilization, bearing capacity is identical, and assembly precision is high.
Description of drawings
Fig. 1 is an external structure elevation of the present invention;
Fig. 2 is the structural representation when does not insert tube wall lower post junction among the present invention;
Fig. 3 is the structural representation when insert tube wall lower post junction among the present invention;
Fig. 4 is the elevation that tube wall upper post junction and tube wall lower post junction connect among the present invention;
Fig. 5 is the structural representation of tube wall lower post junction among the present invention;
Fig. 6 is a sectional structure sketch map of the present invention;
Fig. 7 is the principle key diagram that shear-carrying capacity equates among the present invention.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment 1: like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6; Strong connected node such as a kind of box-shaped steel framework post high-strength bolt; Comprise tube wall upper post junction 1; The both sides of described tube wall upper post junction 1 are respectively equipped with inwall junction plate 2 and outer wall junction plate 3; Described inwall junction plate 2 fixes through last high-strength bolt 4 with outer wall junction plate 3 and tube wall upper post junction 1; The lower end of described inwall junction plate 2 and outer wall junction plate 3 forms tube wall lower post opening 5, inserts tube wall lower post junction 6 in the described tube wall lower post opening 5, and described tube wall lower post junction 6 is provided with the notch 7 of an end opening; Described inwall junction plate 2 passes through high-strength bolt 8 crimping mutually down with outer wall junction plate 3 with tube wall lower post junction 6; Described notch 7 plugs with following high-strength bolt 8, and described tube wall upper post junction 1 connects with tube wall lower post junction 6, one side described inwall junction plate 2 and be provided with the last high-strength bolt 4 that 3 row 2 row in length and breadth distribute of outer wall junction plate 3 with tube wall upper post junction 1; Described inwall junction plate 2 is listed as the following high-strength bolt 8 mutually crimping that in length and breadth distribute with one side of tube wall lower post junction 6 through being provided with 3 row 2 with outer wall junction plate 3, and the described high-strength bolt 4 of going up is 10.9 grades of friction-type high-strength bolts with following high-strength bolt 8.
The preparation method of strong connected node such as a kind of box-shaped steel framework post high-strength bolt, carry out according to the following steps:
(1), is provided with the inner bolt hole that 3 row, 2 row distribute in length and breadth in tube wall upper post junction 1; On inwall junction plate 2 and outer wall junction plate 3, be respectively equipped with the bolt hole that symmetrical 6 row, 2 row distribute in length and breadth, the symmetrical distribution of bolt hole and inner bolt hole on inwall junction plate 2 and the outer wall junction plate 3;
(2), the bolt hole in inner bolt hole in the tube wall upper post junction 1 and inwall junction plate 2 and the outer wall junction plate 3 fixes through high-strength bolt 4 on 10.9 grades of friction-types; Be used under 10.9 grades of friction-types of crimping tube wall lower post junction 6 high-strength bolt 8 and be fixed on 3 of inwall junction plate 2 and outer wall junction plates earlier, inwall junction plate 2 forms tube wall lower post openings 5 with outer wall junction plate 3;
(3), tube wall lower post opening 5 alignings are inserted into the tube wall lower post junction 6 that four limits have notch 7; Tube wall lower post junction 6 and tube wall upper post junction 1 are connected; Tighten down high-strength bolt 8 again, crimping is fastening mutually with outer wall junction plate 3 to make tube wall lower post junction 6 and inwall junction plate 2;
(4), regulating last high-strength bolt 4 and following high-strength bolt 8 again makes it fastening.
As shown in Figure 7, be that 150 * 150 * 4 square box trestle adopts box column inwall junction plate (140 * 400 * 4) outer wall junction plate (150 * 400 * 4) and 10.9 grades of friction-type high-strength bolt M10 (pretensions at post inflection point (post central authorities) among Fig. 1
P 10=39
KN) wait strong connection, 6 the M10 bolts in every limit, then upper and lower part post four limits totally 24 M10 bolts; Earlier bolt is used in inside and outside wall junction plate and bolt and tube wall upper post junction, and the place that will insert tube wall lower post junction being fixed in advance on the inside and outside wall junction plate with bolt, is top square tube one side tube wall and inside and outside wall junction plate among Fig. 2; Still there is not butt joint box column tube wall lower post junction in the middle of the inside and outside wall junction plate of its underpart; But bolt is installed, and the inside and outside wallboard in its four limit is connected to form opening, during installation with the upper component of inside and outside wall junction plate and bolt; Aligned with lower four limits the tube wall lower post junction of otch insert (Fig. 3) lemon tight after; Have inside and outside promptly forming the node that junction plate high-strength bolt crowd connects (Fig. 1, Fig. 3), shown in its box-shaped butt joint post cross section, top (like Fig. 6); The cross section only increases 5% here, rather than former flange connects increasing section 30%～50%.
Be that square (150 * 150 * 4) steel pipe column adopts strong connections such as inside and outside wall junction plate high-strength bolt among Fig. 1, it is the pretension that produces at the tight high-strength bolt of lemon through inside and outside wall junction plate and connected tube wall steel plate
PEffect, the inside and outside wall junction plate is clamped, then produce certain extrusion stress between plate and the plate
σ m Member is drawn or will be produced during pressurized move " cut and move " along plate face direction, and the active force of prevention " cut and move " is promptly along the friction stree of plate face
u f σ m , when the pretension of a high-strength bolt of bolt crowd does
P i (kN), it makes this bolt periphery area
A m (cm
2) the generation extrusion stress
σ m , then a high-strength bolt extruding force does
P i =σ m A m A friction-type high-strength bolt maximum shear bearing capacity does
Will
P i =σ m A m Substitution (1) formula, a friction-type high-strength bolt maximum shear bearing capacity does
=
0.9n f uσ m A m (2)
Steel pipe column receives pulling force
N L Effect adopts the junction plate high-strength bolt to connect its bolt number
N is n=N L / Conventional its connected tube wall of connection is all opened the garden hole,
Calculate (1) formula of employing, when the bottom is connected steel pipe wall otch, its upper and lower part squish area
A m Be different, the squish area of top hole-opening
A M1 Squish area greater than the bottom otch
A M2 , promptly
A M1 ＞
A M2 , according to
P i =σ m A m Relation, junction plate upper and lower high-strength bolt is all selected a model, i.e. its prestressing force for use
P i Upper and lower all equal, promptly
σ M1 A M1 =
σ M2 A M2 , because
A M1 ＞
A M2 , must have
σ M1 ＜
σ M2 Phenomenon occurs, i.e. the otch squish area
A M2 Its little plate and the extrusion stress between the plate
σ M2 Greater than the upper compressive area
A M2 Big extrusion stress
σ M1 , promptly
σ M1 ＜
σ M2 Relation occurs, and promptly a friction-type high-strength bolt is sheared bearing capacity expression formula (1)=(2) formula.Fig. 6 is that 150 * 150 * 4 square steel pipes adopt junction plate 3. with 4. to be connected with upper and lower each 24 M10 high-strength bolt, through calculating its upper and lower part bolt pretension
P 10=39
KNThe time, its junction, top squish area
A M2 =293.76
Cm 2, extrusion stress
σ M1 =7.965
Kg/cm 2The bottom squish area
A M2 =263
Cm 2, its extrusion stress
σ M2 =8.89
Kg/cm 2(bigger by 0.925 than top
Kg/cm 2), this conclusion is promptly provable through " energy principle ", and the present invention also verifies through many groups connector tensile test, when promptly circular hole and bottom otch are opened in top, according to
σ M1 A M1 =σ M2 A M2 Principle, its upper and lower both sides shear-carrying capacity is identical.
Claims (4)
1. strong connected node such as a box-shaped steel framework post high-strength bolt; It is characterized in that: comprise tube wall upper post junction (1); The both sides of described tube wall upper post junction (1) are respectively equipped with inwall junction plate (2) and outer wall junction plate (3); Described inwall junction plate (2) and outer wall junction plate (3) fix through last high-strength bolt (4) with tube wall upper post junction (1); The lower end of described inwall junction plate (2) and outer wall junction plate (3) forms tube wall lower post opening (5); Insert tube wall lower post junction (6) in the described tube wall lower post opening (5), described tube wall lower post junction (6) is provided with the notch (7) of an end opening, and described inwall junction plate (2) passes through high-strength bolt (8) crimping mutually down with outer wall junction plate (3) with tube wall lower post junction (6); Described notch (7) plugs with following high-strength bolt (8), and described tube wall upper post junction (1) and tube wall lower post junction (6) connect.
2. strong connected node such as a kind of novel box-shaped steel framework post high-strength bolt according to claim 1; It is characterized in that: described inwall junction plate (2) and outer wall junction plate (3) and tube wall upper post junction (1) be provided with the last high-strength bolt (4) that 3 row, 2 row distribute in length and breadth, described inwall junction plate (2) and outer wall junction plate (3) with tube wall lower post junction (6) and meanwhile be listed as following high-strength bolt (8) crimping mutually of distribution in length and breadth through being provided with 3 row 2.
3. strong connected node such as a kind of box-shaped steel framework post high-strength bolt according to claim 1 and 2 is characterized in that: described upward high-strength bolt (4) and following high-strength bolt (8) are 10.9 grades of friction-type high-strength bolts.
4. the preparation method of strong connected node such as a box-shaped steel framework post high-strength bolt is characterized in that carrying out according to the following steps:
(1), is provided with the inner bolt hole that 3 row, 2 row distribute in length and breadth in tube wall upper post junction (1); On inwall junction plate (2) and outer wall junction plate (3), be respectively equipped with the bolt hole that symmetrical 6 row, 2 row distribute in length and breadth, the symmetrical distribution of bolt hole and inner bolt hole on inwall junction plate (2) and the outer wall junction plate (3);
(2), the bolt hole in inner bolt hole in tube wall upper post junction (1) and inwall junction plate (2) and the outer wall junction plate (3) fixes through high-strength bolt (4) on 10.9 grades of friction-types; Be used for that high-strength bolt (8) is fixed on earlier between inwall junction plate (2) and outer wall junction plate (3) under 10.9 grades of friction-types of crimping tube wall lower post junction (6), inwall junction plate (2) and outer wall junction plate (3) form tube wall lower post opening (5);
(3), tube wall lower post opening (5) aligning is inserted into the tube wall lower post junction (6) that four limits have notch (7); Tube wall lower post junction (6) and tube wall upper post junction (1) are connected; Tighten down high-strength bolt (8) again, crimping is fastening mutually to make tube wall lower post junction (6) and inwall junction plate (2) and outer wall junction plate (3);
(4), regulating last high-strength bolt (4) and following high-strength bolt (8) again makes it fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102775754A CN102383498A (en) | 2011-09-19 | 2011-09-19 | Equal-strength connection nodes of high-strength bolts for box-shaped steel tube frame columns and method for making same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102775754A CN102383498A (en) | 2011-09-19 | 2011-09-19 | Equal-strength connection nodes of high-strength bolts for box-shaped steel tube frame columns and method for making same |
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| Publication Number | Publication Date |
|---|---|
| CN102383498A true CN102383498A (en) | 2012-03-21 |
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|---|---|---|---|
| CN2011102775754A Pending CN102383498A (en) | 2011-09-19 | 2011-09-19 | Equal-strength connection nodes of high-strength bolts for box-shaped steel tube frame columns and method for making same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866856A (en) * | 2014-03-20 | 2014-06-18 | 北京工业大学 | Center support occlusion splicing system of assembly type steel structure with rigid-connection nodes |
| CN103898966A (en) * | 2014-03-20 | 2014-07-02 | 北京工业大学 | Assembly type steel structure eccentric support meshing splicing system of node rigid connection |
| CN107938839A (en) * | 2017-11-28 | 2018-04-20 | 沈阳建筑大学 | Assembled square steel tube concrete column and attaching method thereof |
| CN107989230A (en) * | 2018-01-03 | 2018-05-04 | 浙江绿筑集成科技有限公司 | A kind of L-type assembled stem steel plate shear force wall and its assembling constructing method |
| CN110158988A (en) * | 2019-06-28 | 2019-08-23 | 中冶建工集团有限公司 | A kind of building protection steel structure support and its quick method for dismounting |
| CN110359565A (en) * | 2019-06-27 | 2019-10-22 | 南华大学 | A kind of reaming strengthening thimble tube FRP Structure Beam-column node |
| CN110359566A (en) * | 2019-06-27 | 2019-10-22 | 南华大学 | A kind of bolt is glued the construction method of casing reamer type FRP Structure Beam-column node |
| CN112031420A (en) * | 2020-09-03 | 2020-12-04 | 贵州汇通申发钢结构有限公司 | Steel structure assembly type building and assembly method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866856A (en) * | 2014-03-20 | 2014-06-18 | 北京工业大学 | Center support occlusion splicing system of assembly type steel structure with rigid-connection nodes |
| CN103898966A (en) * | 2014-03-20 | 2014-07-02 | 北京工业大学 | Assembly type steel structure eccentric support meshing splicing system of node rigid connection |
| CN103898966B (en) * | 2014-03-20 | 2016-11-02 | 北京工业大学 | The assembling type steel structure accentric support occlusion splicing system that a kind of node has just connect |
| CN107938839A (en) * | 2017-11-28 | 2018-04-20 | 沈阳建筑大学 | Assembled square steel tube concrete column and attaching method thereof |
| CN107989230A (en) * | 2018-01-03 | 2018-05-04 | 浙江绿筑集成科技有限公司 | A kind of L-type assembled stem steel plate shear force wall and its assembling constructing method |
| CN110359565A (en) * | 2019-06-27 | 2019-10-22 | 南华大学 | A kind of reaming strengthening thimble tube FRP Structure Beam-column node |
| CN110359566A (en) * | 2019-06-27 | 2019-10-22 | 南华大学 | A kind of bolt is glued the construction method of casing reamer type FRP Structure Beam-column node |
| CN110158988A (en) * | 2019-06-28 | 2019-08-23 | 中冶建工集团有限公司 | A kind of building protection steel structure support and its quick method for dismounting |
| CN112031420A (en) * | 2020-09-03 | 2020-12-04 | 贵州汇通申发钢结构有限公司 | Steel structure assembly type building and assembly method thereof |
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Owner name: GUIZHOU UNIVERSITY HU NAN JINHAI STEEL STRUCTURE C Free format text: FORMER OWNER: GUIZHOU UNIVERSITY GUIZHOU HUITONG SHENFA STEEL STRUCTURE CO., LTD. HUNAN UNIVERSITY Effective date: 20120709 |
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Inventor after: Ma Kejian Inventor after: Li Guoqiang Inventor after: Duan Yuzhong Inventor after: Zhou Guangen Inventor after: Hu Lan Inventor after: Zhou Jiagan Inventor after: Xiao Jianchun Inventor after: Cheng Zhimin Inventor after: Zhang Huagang Inventor after: Zhu Fangzheng Inventor after: Xu Xiangdong Inventor before: Ma Kejian Inventor before: Duan Yuzhong Inventor before: Zhou Guangen Inventor before: Zhou Jiagan Inventor before: Xiao Jianchun Inventor before: Cheng Zhimin Inventor before: Zhang Huagang Inventor before: Zhu Fangzheng Inventor before: Xu Xiangdong Inventor before: Li Guoqiang |
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Free format text: CORRECT: INVENTOR; FROM: MA KEJIAN ZHOU GUANGEN ZHOU JIAGAN XIAO JIANCHUN CHENG ZHIMIN ZHANG HUAGANG ZHU FANGZHENG XU XIANGDONG LI GUOQIANG DUAN YUZHONG TO: MA KEJIAN ZHOU GUANGEN HU LAN ZHOU JIAGAN XIAO JIANCHUN CHENG ZHIMIN ZHANG HUAGANG ZHU FANGZHENG XU XIANGDONG LI GUOQIANG DUAN YUZHONG |
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Effective date of registration: 20120709 Address after: Hangzhou City, Zhejiang province 311209 Yaqian town Xiaoshan District Applicant after: Zhejiang Southeast Space Frame Stock Limted Co-applicant after: Guizhou University Co-applicant after: Hunan Jinhai Steel Structure Co., Ltd. Co-applicant after: Guizhou Huitong Shenfa Steel Structure Co., Ltd. Co-applicant after: Hunan University Address before: Hangzhou City, Zhejiang province 311209 Yaqian town Xiaoshan District Applicant before: Zhejiang Southeast Space Frame Stock Limted Co-applicant before: Guizhou University Co-applicant before: Guizhou Huitong Shenfa Steel Structure Co., Ltd. Co-applicant before: Hunan University |
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Application publication date: 20120321 |