CN212224233U - Reinforced steel column and ECC concrete combined node - Google Patents
Reinforced steel column and ECC concrete combined node Download PDFInfo
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- CN212224233U CN212224233U CN202020612071.8U CN202020612071U CN212224233U CN 212224233 U CN212224233 U CN 212224233U CN 202020612071 U CN202020612071 U CN 202020612071U CN 212224233 U CN212224233 U CN 212224233U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 92
- 239000010959 steel Substances 0.000 title claims abstract description 92
- 239000004567 concrete Substances 0.000 title claims abstract description 51
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002969 artificial stone Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model discloses a strenghthened type steel column and ECC concrete composite node, including cross post, four girder steel brackets, the annular hoop board of four vertical settings and pour in the ECC concrete in shaped steel post and shaped steel roof beam tip region, every cross post all includes cruciform column web of cruciform structure and four and connects respectively in the cross column web and corresponds the cross column flange board on the tip, the inner of every girder steel bracket all connects on the cross column flange board that corresponds, every annular hoop board is connected between two adjacent girder steel brackets, has all seted up the bar on every annular hoop board and has worn the groove. The utility model discloses combined the characteristics of shaped steel and ECC concrete, can reduce stirrup quantity and trompil by a wide margin when improving structural performance, simple manufacture and construction convenience.
Description
Technical Field
The utility model relates to a shaped steel concrete structure field specifically is a strenghthened type steel column and ECC concrete combination node.
Background
The section steel concrete structure has the characteristics of high bearing capacity, good earthquake resistance and the like, and is widely applied to the fields of large public buildings, super high-rise buildings and the like. But the common section steel concrete beam column node core area needs to be arranged with the encrypted stirrup to restrain the concrete, and the longitudinal steel bar, the section steel and the concrete are ensured to work together. The stirrup arranged in the core area of the joint needs to be punched on the steel beam, so that the bearing capacity of the steel beam is weakened. Simultaneously the stirrup is encrypted and leads to node core area concrete placement and the difficulty of vibrating, is difficult to guarantee node core area concrete placement quality for node bearing capacity reduces, easily ftractures, and anti-seismic performance is not enough.
The ECC concrete material is an artificial stone material which is formed by using fly ash, cement, sand, an additive and the like as a matrix, doping short fibers to strengthen and toughen the matrix, stirring, injecting, curing and hardening, and has excellent high toughness, high ductility, tensile property and crack control property. The research of ECC concrete materials has become mature through continuous development since the advent of 1992. The ECC concrete is widely applied in Japan and developed countries in Europe and America, and obtains good engineering application effect. The ECC concrete has excellent tensile and anti-cracking properties, but most of the current ECC concrete application is in the component layer, and the design of how to fully utilize ECC concrete materials to improve a structural system is yet to be researched.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a strenghthened type steel column and ECC concrete composite node, solve shaped steel concrete beam column node core district and arrange the stirrup and need the fenestrate problem on the reinforcing bar, satisfy the needs of making in a large number in the engineering when improving structural performance.
The technical scheme of the utility model is that:
the utility model provides a strenghthened type steel column and ECC concrete composite node, including the cross, four girder steel brackets, the annular hoop board of four vertical settings and pour in the ECC concrete in shaped steel post and shaped steel roof beam tip region, every cross all includes the cross web of cruciform structure and four cross flange boards of connecting respectively on the cross web corresponds the tip, the inner of every girder steel bracket all connects on the cross flange board that corresponds, every annular hoop board is connected between two adjacent girder steel brackets, the bar cross-groove has all been seted up on every annular hoop board.
Every girder steel bracket all including the last flange board and the lower flange board that the level set up and the vertical girder steel bracket web of connecting between last flange board and lower flange board, the last flange board of every girder steel bracket all be located same level, in four girder steel brackets, the lower flange board of two girder steel brackets that the symmetry set up is located same level, and two lower flange boards that are located same level are less than other two lower flange boards that are located same level.
Every annular hoop board all including the annular plate and two vertical settings of vertical setting and connect respectively in the rectangular plate at annular plate both ends, the bar wear the groove and set up in the one-third height of annular plate and two-thirds high department and link up the both ends of annular plate, the rectangular plate at every annular hoop board both ends all stretches into between the last flange board and the lower flange board of the girder steel bracket that corresponds, and with last flange board, lower flange board and the girder steel bracket web in close contact with and welded fastening that correspond the girder steel bracket.
The cross post adjacent cross post web between all weld the oblique connecting plate of vertical setting and the annular connecting plate of two upper and lower levels settings, the vertical height of oblique connecting plate select half of shaped steel roof beam height and 400mm less value between the two, two annular connecting plates all be located the below of oblique connecting plate and the level of two annular connecting plates respectively with two different level lower flange boards the same.
The cross post web of cross post and the cross post flange plate that corresponds between all be connected with the foot fagging of right triangle structure, the cross post on be connected with twenty four foot faggings, thereby every eight foot faggings are located same level and fall into three-layer foot fagging, from last first layer foot fagging down be located the top of oblique connection board, the level of second floor foot fagging and two different levels down the central height between the flange plate equal, the third layer foot fagging is located 100mm below the minimum level lower flange plate department.
The cross column is provided with two layers of annular connecting plates with different heights, each layer of annular connecting plate is of an annular plate structure with an octagonal outer ring and a circular inner ring, and the circular radius of the inner ring is equal to the difference between the horizontal length of the center of the web plate of the cross column extending to the flange plate of the cross column and the length of a right-angle edge of the leg support plate tightly attached to the web plate of the cross column.
The ECC concrete pouring cross section range is a distance that the whole section steel column and the section steel beam extend, and the distance that the section steel beam extends is not less than 0.5 times of the section height of the section steel concrete column.
The utility model has the advantages that:
(1) the utility model discloses a set up the effect that the structure of the annular hoop board of groove was worn to the bar replaces partial stirrup, and simple structure and construction are very convenient, reduce the quantity at node core space stirrup and trompil by a wide margin to strengthen the power consumption ability of node.
(2) The utility model discloses utilize the superior tensile resistance of ECC concrete material to make the shaft possess better shock resistance, node shaped steel post and beam-ends position adopt the ECC concrete can improve the anti-seismic performance of node by a wide margin, and can guarantee that the interface of ECC concrete and ordinary concrete keeps away from the great region of beam-ends shear force, and the characteristic of ECC material self-compaction also lets this combination node construction very convenient and construction quality secure.
(3) The utility model discloses cross post web is connected reliably to the inclined connecting plate and the annular connecting plate of cross post internal connection, compares the traditional scheme that generally only adopts multilayer annular connecting plate and accords with the design principle of "strong post weak beam" more, and the inclined connecting plate of vertical setting can effectively transmit compressive stress at the complicated core position of atress in the cross post moreover, prevents that local pressure is too big probably to produce adverse effect to the atress of ECC concrete.
(4) The utility model discloses set up the foot fagging of multilayer small area in the cross post, compare traditional support mode, practiced thrift the material, and more be favorable to the flow of concrete, the stick that shakes during convenient construction inserts from the top.
To sum up, the utility model discloses combined the characteristics of shaped steel and ECC concrete, can reduce stirrup quantity and trompil, simple manufacture and construction convenience by a wide margin when improving structural performance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the upper structure of the cross post of the present invention.
Fig. 3 is a schematic structural view of the annular hoop plate of the present invention.
Fig. 4 is a schematic structural view of the present invention except for the annular hoop plate.
3 fig. 3 5 3 is 3 a 3 cross 3- 3 sectional 3 view 3 a 3- 3 a 3 of 3 the 3 cross 3- 3 post 3 portion 3 of 3 fig. 3 4 3. 3
Fig. 6 is a schematic view of the steel skeleton joint of the welding stud of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, a reinforced section steel column and ECC concrete combined node comprises a cross column 1, four steel beam brackets 2, four vertically arranged annular hoop plates 3, and ECC concrete poured in the section steel column and section steel beam end regions, wherein each cross column comprises a cross column web 11 of a cross structure and four cross column flange plates 12 respectively connected to the corresponding ends of the cross column web 11, the inner end of each steel beam bracket 2 is connected to the corresponding cross column flange plate 12, and each annular hoop plate 3 is connected between two adjacent steel beam brackets 2;
each steel beam bracket 2 comprises an upper flange plate 21 and a lower flange plate 22 which are horizontally arranged and a steel beam bracket web plate 23 which is vertically connected between the upper flange plate 21 and the lower flange plate 22, the upper flange plate 21 of each steel beam bracket is positioned at the same horizontal height, the lower flange plates 22 of two symmetrically arranged steel beam brackets are positioned at the same horizontal height, and the two lower flange plates 22 positioned at the same horizontal height are lower than the other two lower flange plates 22 positioned at the same horizontal height;
each annular hoop plate 3 comprises a vertically arranged annular plate 31 and two vertically arranged rectangular plates 32 which are respectively connected to two ends of the annular plate 31, the horizontal heights of the bottom ends of the two rectangular plates 32 are different, strip-shaped through grooves 33 which penetrate through two ends of the annular plate are formed in the positions of one third height and two thirds height of the annular plate 31, and the rectangular plates 32 at two ends of each annular hoop plate extend into the space between the upper flange plate 21 and the lower flange plate 22 of the corresponding steel beam bracket and are tightly contacted with and welded and fixed with the upper flange plate 21, the lower flange plate 22 and the steel beam bracket web plate 23 of the corresponding steel beam bracket;
an inclined connecting plate 4 which is vertically arranged and two annular connecting plates 5 which are horizontally arranged from top to bottom are welded between every two adjacent cross column webs 11 of the cross columns, a supporting plate 6 of a right-angled triangle structure is connected between every two adjacent cross column webs 11 of the cross columns and every two corresponding cross column flange plates 12, the vertical height of each inclined connecting plate 4 is a smaller value between half of the height of a section steel beam and 400mm, the two annular connecting plates 5 are positioned below the inclined connecting plates 4, the horizontal heights of the two annular connecting plates 5 are respectively the same as the horizontal heights of the two lower flange plates 22 with different horizontal heights, the two annular connecting plates 5 with different heights on the cross column 1 form an annular plate structure with an octagonal outer ring and a circular inner ring, the circular radius of the inner ring is equal to the difference between the horizontal length of the center of the cross column webs 11 extending to the cross column flange plates 12 and the length of a right-angled edge of the cross column webs 11 tightly attached to the supporting plates, twenty-four foot supporting plates 6 are connected to the cross column 1, every eight foot supporting plates 6 are positioned at the same horizontal height and are divided into three layers of foot supporting plates 6, the first layer of foot supporting plates 6 from top to bottom are positioned above the inclined connecting plate 4, the horizontal height of the second layer of foot supporting plates 6 is equal to the central height between the two lower flange plates 22 with different horizontal heights, and the third layer of foot supporting plates 6 are positioned at the position 100mm below the lower flange plate 22 with the lowest horizontal height;
the ECC concrete pouring cross section range is a distance that whole shaped steel post and shaped steel roof beam extend, and a distance that shaped steel roof beam extends is not less than 0.5 times shaped steel concrete column section height.
A construction method of a reinforced steel column and ECC concrete combined node comprises the following steps:
(1) drawing a center line, an outline and positioning lines of various accessories of the cross column 1 on the ground according to the plane projection size of the cross column 1, and then erecting a jig frame template;
(2) the cross column 1 is lifted to an assembly jig frame for positioning, welding can be carried out after correct positioning, post-welding correction is carried out, then the inclined connecting plate 4, the annular connecting plate 5 and the foot supporting plate 6 are installed and positioned, the steel beam bracket 2 and the annular hoop plate 3 are respectively positioned on respective installation position lines when being installed and positioned, and meanwhile, the verticality with the ground is guaranteed;
(3) positioning each part, performing self-checking and mutual checking, welding after the parts are qualified, performing flaw detection and correction after welding, and integrally assembling a jig frame to check the integrity after welding;
(4) hoisting node steel ribs on site, welding and installing steel beams, binding steel bars and erecting a template, wherein the method is the same as that of common steel reinforced concrete, binding steel wire meshes at the junction of ECC concrete and common concrete by using steel wires, pouring the ECC concrete firstly, and then pouring the common concrete.
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 (7)
1. The utility model provides a strenghthened type steel column and ECC concrete combination node which characterized in that: including the cross post, four girder steel brackets, the annular hoop board of four vertical settings and pour in the ECC concrete in shaped steel post and shaped steel roof beam tip region, every cross post all includes the cross post web of cruciform structure and four cross post flange boards of connecting respectively on the corresponding tip of cross post web, the inner of every girder steel bracket all is connected on the cross post flange board that corresponds, every annular hoop board is connected between two adjacent girder steel brackets, the bar cross slot has all been seted up on every annular hoop board.
2. The reinforced steel column and ECC concrete composite node of claim 1, wherein: every girder steel bracket all including the last flange board and the lower flange board that the level set up and the vertical girder steel bracket web of connecting between last flange board and lower flange board, the last flange board of every girder steel bracket all be located same level, in four girder steel brackets, the lower flange board of two girder steel brackets that the symmetry set up is located same level, and two lower flange boards that are located same level are less than other two lower flange boards that are located same level.
3. The reinforced steel column and ECC concrete composite node of claim 1, wherein: every annular hoop board all including the annular plate and two vertical settings of vertical setting and connect respectively in the rectangular plate at annular plate both ends, the bar wear the groove and set up in the one-third height of annular plate and two-thirds high department and link up the both ends of annular plate, the rectangular plate at every annular hoop board both ends all stretches into between the last flange board and the lower flange board of the girder steel bracket that corresponds, and with last flange board, lower flange board and the girder steel bracket web in close contact with and welded fastening that correspond the girder steel bracket.
4. The reinforced steel column and ECC concrete composite node of claim 2, wherein: the cross post adjacent cross post web between all weld the oblique connecting plate of vertical setting and the annular connecting plate of two upper and lower levels settings, the vertical height of oblique connecting plate select half of shaped steel roof beam height and 400mm less value between the two, two annular connecting plates all be located the below of oblique connecting plate and the level of two annular connecting plates respectively with two different level lower flange boards the same.
5. The reinforced steel column and ECC concrete composite node of claim 4, wherein: the cross post web of cross post and the cross post flange plate that corresponds between all be connected with the foot fagging of right triangle structure, the cross post on be connected with twenty four foot faggings, thereby every eight foot faggings are located same level and fall into three-layer foot fagging, from last first layer foot fagging down be located the top of oblique connection board, the level of second floor foot fagging and two different levels down the central height between the flange plate equal, the third layer foot fagging is located 100mm below the minimum level lower flange plate department.
6. The reinforced steel column and ECC concrete composite node of claim 4, wherein: the cross column is provided with two layers of annular connecting plates with different heights, each layer of annular connecting plate is of an annular plate structure with an octagonal outer ring and a circular inner ring, and the circular radius of the inner ring is equal to the difference between the horizontal length of the center of the web plate of the cross column extending to the flange plate of the cross column and the length of a right-angle edge of the leg support plate tightly attached to the web plate of the cross column.
7. The reinforced steel column and ECC concrete composite node of claim 1, wherein: the ECC concrete pouring cross section range is a distance that the whole section steel column and the section steel beam extend, and the distance that the section steel beam extends is not less than 0.5 times of the section height of the section steel concrete column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020612071.8U CN212224233U (en) | 2020-04-20 | 2020-04-20 | Reinforced steel column and ECC concrete combined node |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020612071.8U CN212224233U (en) | 2020-04-20 | 2020-04-20 | Reinforced steel column and ECC concrete combined node |
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| CN212224233U true CN212224233U (en) | 2020-12-25 |
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| CN202020612071.8U Active CN212224233U (en) | 2020-04-20 | 2020-04-20 | Reinforced steel column and ECC concrete combined node |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787852A (en) * | 2022-11-22 | 2023-03-14 | 中国建筑设计研究院有限公司 | Rigid connection node connecting structure of cross-shaped supporting column and system thereof |
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2020
- 2020-04-20 CN CN202020612071.8U patent/CN212224233U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787852A (en) * | 2022-11-22 | 2023-03-14 | 中国建筑设计研究院有限公司 | Rigid connection node connecting structure of cross-shaped supporting column and system thereof |
| CN115787852B (en) * | 2022-11-22 | 2023-09-05 | 中国建筑设计研究院有限公司 | Rigid connection node connection structure of cross support column and system thereof |
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