CN202544240U - Cylindrical structural part with holes and reinforcing ribs and filled with steel fiber concrete - Google Patents
Cylindrical structural part with holes and reinforcing ribs and filled with steel fiber concrete Download PDFInfo
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- CN202544240U CN202544240U CN2012200472672U CN201220047267U CN202544240U CN 202544240 U CN202544240 U CN 202544240U CN 2012200472672 U CN2012200472672 U CN 2012200472672U CN 201220047267 U CN201220047267 U CN 201220047267U CN 202544240 U CN202544240 U CN 202544240U
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Abstract
The utility model discloses a cylindrical structural part with holes and reinforcing ribs and filled with steel fiber concrete. The cylindrical structural part comprises a vertically distributed square steel pipe, a plurality of vertical reinforcing ribs and a steel fiber concrete post, wherein the vertical reinforcing ribs are distributed on the four inner side walls of the square steel pipe, the steel fiber concrete post is filled on the lower side portion in the square steel pipe and cast by the steel fiber concrete, and the vertical reinforcing ribs are identical in structure and size and distributed on the same horizontal plane. The vertical height of each vertical reinforcing rib is identical with that of the hollow steel pipe. The lower portion of each vertical reinforcing rib is a hole section with a plurality of through holes, the vertical height of the hole section is identical with that of the steel fiber concrete post, and the through holes are arranged on the same vertical line from top to bottom. The cylindrical structural part is simple in structure, reasonable in design, convenient to build and construct and fine in stress performance, and further, the problems of high dead weight of concrete of an existing steel pipe, insufficient bonding force between the steel pipe and concrete, insufficient structural integrity and the like can be solved. Meanwhile, the anti-seismic performance of the integral structure is improved.
Description
Technical field
The utility model relates to a kind of shape steel core concrete column, especially relates to a kind of column construction spare of laying the perforate stiffening rib and filling steel fibrous concrete.
Background technology
At present, because square steel tube concrete column has good ductility and bearing capacity performance in earthquake, thereby in industry and civilian construction, obtained using widely.In the square steel tube concrete column structure, its outside steel plate double as template and primary structure member, portion all is provided with floor mostly within it simultaneously, with the adhesion stress between enhancing steel plate and the concrete and the local stability of steel plate.But in the actual use, two problems below the existing square steel tube concrete column ubiquity: the first, steel core concrete column generally adopts the full packing concrete structure, thereby the flexibility of its structure is not enough, is unfavorable for antidetonation; The second, the adhesion stress between steel pipe and its inner institute fill concrete is not enough, thereby the globality of combining structure is not enough.
The utility model content
The utility model technical problem to be solved is to above-mentioned deficiency of the prior art; A kind of column construction spare of laying the perforate stiffening rib and filling steel fibrous concrete is provided; It is simple in structure, reasonable in design and build easy construction, stress performance is good; Problems such as the adhesion stress between great, steel pipe and concrete that can solve effectively that present concrete filled steel tube exists is not enough, structural integrity is not enough have improved integrally-built anti-seismic performance simultaneously.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of column construction spare of laying the perforate stiffening rib and filling steel fibrous concrete; It is characterized in that: comprise being vertically to the rectangular steel tube of laying, being laid in a plurality of vertical stiffening rib on four inside walls of rectangular steel tube respectively and building the steel fibrous concrete post that forms by the steel fibrous concrete that is filled in the rectangular steel tube lower inside; Said steel fibrous concrete post is fastenedly connected rectangular steel tube and a plurality of said vertical stiffening rib and is one; The structure of a plurality of said vertical stiffening ribs is all identical with size, and all consistent with the central axial direction of hollow steel pipe and a plurality of said vertical stiffening ribs of the cloth set direction of a plurality of said vertical stiffening ribs are laid on the same horizontal plane; Four inside walls of said rectangular steel tube comprise left side wall and the right side wall that is the bilateral symmetry laying and are front side wall and the rear wall that the front and back symmetry is laid; The quantity of the said vertical stiffening rib of laying is N1 on said front side wall and the rear wall; And the quantity of the said vertical stiffening rib of laying is N2 on said left side wall and the right side wall; N1 >=N2 wherein; The transverse width L 2 of the transverse width L1 of said front side wall and rear wall >=said left side wall and right side wall, N1 and N2 are positive integer and N2 >=1; The vertical height of a plurality of said vertical stiffening ribs all vertical height with hollow steel pipe is identical; Said vertical stiffening rib bottom is the perforate section that has a plurality of through holes; And the vertical height of said perforate section is identical with the vertical height of said steel fibrous concrete post, and a plurality of said through holes from top to bottom are laid on the same vertical curve.
Above-mentioned laying perforate stiffening rib is also filled the column construction spare of steel fibrous concrete; It is characterized in that: said rectangular steel tube, a plurality of said vertical stiffening rib and steel fibrous concrete post are formed a steel core concrete column; The vertical height of said steel fibrous concrete post is corresponding with the bearing capacity size of said steel core concrete column; And the bearing capacity of said steel core concrete column is big more, and the vertical height of said steel fibrous concrete post is big more.
Above-mentioned laying perforate stiffening rib is also filled the column construction spare of steel fibrous concrete, it is characterized in that: the cross section of said rectangular steel tube is square, and a plurality of said vertical stiffening ribs are even laying and N1=N2.
Above-mentioned laying perforate stiffening rib is also filled the column construction spare of steel fibrous concrete, and it is characterized in that: the quantity of a plurality of said vertical stiffening ribs is 4 or 8, and N1=N2=1 or 2.
Above-mentioned laying perforate stiffening rib is also filled the column construction spare of steel fibrous concrete, and it is characterized in that: the cross section of said rectangular steel tube is a rectangle, L1>L2, and the quantity of a plurality of said vertical stiffening ribs is 4~10.
Above-mentioned laying perforate stiffening rib is also filled the column construction spare of steel fibrous concrete, and it is characterized in that: the cross-sectional area of said rectangular steel tube is 4m
2~10m
2And its wall thickness is 18mm~25mm.
Above-mentioned laying perforate stiffening rib is also filled the column construction spare of steel fibrous concrete, and it is characterized in that: a plurality of said through holes are even laying.
Above-mentioned laying perforate stiffening rib is also filled the column construction spare of steel fibrous concrete, and it is characterized in that: said through hole is a circular port; The diameter of said circular port is Φ 30mm~Φ 50mm, and the spacing of neighbouring two said circular ports is 100mm~200mm.
Above-mentioned laying perforate stiffening rib is also filled the column construction spare of steel fibrous concrete; It is characterized in that: said vertical stiffening rib is the strip steel floor that is welded as a whole with rectangular steel tube, and the transverse width of said strip steel floor is that 100mm~250mm and its thickness are 12mm~22mm.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and stress performance is good, from heavy and light, can solve the excessive problem of the existing deadweight of present steel core concrete column.
2, build easy construction, and input cost is lower.
3, the lightweight steel fibrous concrete only is filled in the latter half of rectangular steel tube, has increased integrally-built stability, has guaranteed integrally-built flexibility again simultaneously, helps the antidetonation of structure.
4, vertical stiffening rib has a plurality of through holes of equidistant laying on the steel fibrous concrete filling part; And after steel fibrous concrete has been filled; The concrete of vertical two sides of stiffening rib all can be brought into play the shearing resistance effect; The residing stress state of concrete that is mounted in the vertical stiffening rib through hole improves its compressive strength, has improved the hypodynamic problem of bonding between steel pipe that present steel core concrete column exists and the concrete greatly, has also improved the globality of structure simultaneously.
In sum; The utility model is simple in structure, reasonable in design and build easy construction, stress performance is good; Problems such as the adhesion stress between great, steel pipe and concrete that can solve effectively that present concrete filled steel tube exists is not enough, structural integrity is not enough have improved integrally-built anti-seismic performance simultaneously.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Fig. 1 is the internal construction sketch map of the utility model embodiment 1.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of the utility model embodiment 2.
Description of reference numerals:
The 1-rectangular steel tube; The vertical stiffening rib of 2-; 3-steel fibrous concrete post;
The 4-through hole.
The specific embodiment
Like Fig. 1, a kind of column construction spare of laying the perforate stiffening rib and filling steel fibrous concrete shown in Figure 2; Comprise and be vertically to the rectangular steel tube of laying 1, be laid in a plurality of vertical stiffening rib 2 on 1 four inside walls of rectangular steel tube respectively and build the steel fibrous concrete post 3 that forms by the steel fibrous concrete that is filled in rectangular steel tube 1 lower inside; Said steel fibrous concrete post 3 is fastenedly connected rectangular steel tube 1 and a plurality of said vertical stiffening ribs 2 and is one; The structure of a plurality of said vertical stiffening ribs 2 is all identical with size, and all consistent with the central axial direction of the hollow steel pipe 1 and a plurality of said vertical stiffening ribs 2 of the cloth set direction of a plurality of said vertical stiffening ribs 2 are laid on the same horizontal plane.Four inside walls of said rectangular steel tube 1 comprise left side wall and the right side wall that is the bilateral symmetry laying and are front side wall and the rear wall that the front and back symmetry is laid; The quantity of the said vertical stiffening rib 2 of laying is N1 on said front side wall and the rear wall; And the quantity of the said vertical stiffening rib 2 of laying is N2 on said left side wall and the right side wall; N1 >=N2 wherein; The transverse width L2 of the transverse width L1 of said front side wall and rear wall >=said left side wall and right side wall, N1 and N2 are positive integer and N2 >=1.The vertical height of a plurality of said vertical stiffening ribs 2 all vertical height with hollow steel pipe 1 is identical; Said vertical stiffening rib 2 bottoms are the perforate section that has a plurality of through holes 4; And the vertical height of said perforate section is identical with the vertical height of said steel fibrous concrete post 3, and a plurality of said through holes 4 from top to bottom are laid on the same vertical curve.
In the present embodiment; During actual processing and manufacturing; Said rectangular steel tube 1, a plurality of said vertical stiffening rib 2 and steel fibrous concrete post 3 are formed a steel core concrete column; The vertical height of said steel fibrous concrete post 3 is corresponding with the bearing capacity size of said steel core concrete column, and the bearing capacity of said steel core concrete column is big more, and the vertical height of said steel fibrous concrete post 3 is big more; Otherwise the bearing capacity of said steel core concrete column is more little, and the vertical height of said steel fibrous concrete post 3 is more little.
That is to say; Said steel fibrous concrete only is filled in the latter half of rectangular steel tube 1, and the packed height of steel fibrous concrete (being the vertical height of steel fibrous concrete post 3) is confirmed by calculating according to the antidetonation grade (specifically being the bearing capacity of said steel core concrete column) of said steel core concrete column.The antidetonation grade of said steel core concrete column is high more, and its anti-seismic performance is good more, and the bearing capacity of said steel core concrete column is big more, and correspondingly the vertical height of steel fibrous concrete post 3 is big more.
In addition, the quantity of a plurality of said vertical stiffening ribs 2 is corresponding with the bearing capacity size of said steel core concrete column, and the quantity of a plurality of said vertical stiffening ribs 2 is many more, and the bearing capacity of said steel core concrete column is big more.Otherwise the quantity of a plurality of said vertical stiffening ribs 2 is few more, and the bearing capacity of said steel core concrete column is more little.
In the present embodiment, the cross section of said rectangular steel tube 1 is a square, and a plurality of said vertical stiffening ribs 2 are even laying and N1=N2.
Actually add man-hour, the quantity of a plurality of said vertical stiffening ribs 2 is 4 or 8, and N1=N2=1 or 2.In the present embodiment, the quantity of a plurality of said vertical stiffening ribs 2 is 4, and N1=N2=1, also can be according to the concrete needs of reality, the quantity of a plurality of said vertical stiffening ribs 2 is adjusted accordingly.
In the present embodiment, said steel fibrous concrete for the fiber volume rate be 1%~2% and density be 300kg/m
3~1800kg/m
3The lightweight steel fibrous concrete.
In the present embodiment, the cross-sectional area of said rectangular steel tube 1 is 4m
2~10m
2And its wall thickness is 18mm~25mm; A plurality of said through holes 4 are even laying.Said through hole 4 is a circular port; The diameter of said circular port is Φ 30mm~Φ 50mm, and the spacing of neighbouring two said circular ports is 100mm~200mm.Said vertical stiffening rib 2 is the strip steel floor that is welded as a whole with rectangular steel tube 1, and the transverse width of said strip steel floor is that 100mm~250mm and its thickness are 12mm~22mm.
Actually add man-hour, can be according to the concrete needs of reality, cross-sectional area and wall thickness, the aperture of said through hole 4 and the transverse width and the thickness of said strip steel floor of said rectangular steel tube 1 is adjusted accordingly.
In the actual building course, at first, according to the antidetonation grade of said steel core concrete column, and according to the force analysis method analysis of routine and calculate the packed height (being the vertical height of steel fibrous concrete post 3) of steel fibrous concrete; And after the packed height of steel fibrous concrete is confirmed; On the perforate section of vertical stiffening rib 2 bottoms, offer the through hole 4 of a plurality of equidistant layings again; The perforate section height of vertical stiffening rib 2 bottoms is consistent with the vertical height of steel fibrous concrete post 3; That is to say that the steel fibrous concrete filling part of vertical stiffening rib 2 bottoms is offered a plurality of through holes 4 again; Then, the vertical stiffening rib 2 of offering through hole 4 is fixed on rectangular steel tube 1 inboard; At last, steel fibrous concrete is cast in from the bottom to top in the latter half respective heights of rectangular steel tube 1, then accomplishes the processing and manufacturing process of the utility model.
In the actual use,, thereby conduct oneself with dignity and alleviated, can solve the excessive problem of the existing deadweight of present steel core concrete column because the utility model mainly is made up of rectangular steel tube 1, a plurality of said vertical stiffening rib 2 and steel fibrous concrete post 3; Simultaneously, because steel fibrous concrete is only under-filled at rectangular steel tube 1, promptly adopt partially filled mode; Thereby the flexibility of structure increases; Help antidetonation, simultaneously, because at lightweight steel fibrous concrete filling part; Be fixed on the through hole 4 that has a plurality of equidistant layings on the inner vertical stiffening rib 2 of rectangular steel tube 1; Thereby after treating that the lightweight steel fibrous concrete has been filled, the concrete of vertical 2 two sides of stiffening rib all can be brought into play the shearing resistance effect, is mounted in that the residing stress states of concrete in the through hole 4 improve integrally-built compressive strength in the vertical stiffening rib 2; Improve the hypodynamic problem of bonding between steel pipe that present steel core concrete column exists and the concrete greatly, also improved the globality of structure simultaneously.
In the present embodiment, different with embodiment 1 is: the cross section of said rectangular steel tube 1 is a rectangle, L1>L2, and the quantity of a plurality of said vertical stiffening ribs 2 is 4~10.
As shown in Figure 3, in the present embodiment, the quantity of a plurality of said vertical stiffening ribs 2 is 6, N1=2 wherein, and N2=1 during actual processing and manufacturing, can adjust accordingly according to the quantity of the concrete needs of reality to a plurality of said vertical stiffening ribs 2.
In the present embodiment, remainder structure, annexation and manufacture process are all identical with embodiment 1.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of the utility model technical scheme according to the utility model technical spirit.
Claims (9)
1. column construction spare of laying the perforate stiffening rib and filling steel fibrous concrete; It is characterized in that: comprise being vertically to the rectangular steel tube of laying (1), being laid in a plurality of vertical stiffening rib (2) on (1) four inside wall of rectangular steel tube respectively and building the steel fibrous concrete post (3) that forms by the steel fibrous concrete that is filled in rectangular steel tube (1) lower inside; Said steel fibrous concrete post (3) is fastenedly connected rectangular steel tube (1) and a plurality of said vertical stiffening ribs (2) and is one; The structure of a plurality of said vertical stiffening ribs (2) is all identical with size, and all consistent with the central axial direction of hollow steel pipe (1) and a plurality of said vertical stiffening ribs (2) of the cloth set direction of a plurality of said vertical stiffening ribs (2) are laid on the same horizontal plane; Four inside walls of said rectangular steel tube (1) comprise left side wall and the right side wall that is the bilateral symmetry laying and are front side wall and the rear wall that the front and back symmetry is laid; The quantity of the said vertical stiffening rib (2) of laying is N1 on said front side wall and the rear wall; And the quantity of the said vertical stiffening rib (2) of laying is N2 on said left side wall and the right side wall; N1 >=N2 wherein; The transverse width L2 of the transverse width L1 of said front side wall and rear wall >=said left side wall and right side wall, N1 and N2 are positive integer and N2 >=1; The vertical height of a plurality of said vertical stiffening ribs (2) all vertical height with hollow steel pipe (1) is identical; Said vertical stiffening rib (2) bottom is for having the perforate section of a plurality of through holes (4); And the vertical height of said perforate section is identical with the vertical height of said steel fibrous concrete post (3), and a plurality of said through holes (4) from top to bottom are laid on the same vertical curve.
2. according to claim 1 described laying perforate stiffening rib and fill the column construction spare of steel fibrous concrete; It is characterized in that: said rectangular steel tube (1), a plurality of said vertical stiffening ribs (2) and steel fibrous concrete post (3) are formed a steel core concrete column; The vertical height of said steel fibrous concrete post (3) is corresponding with the bearing capacity size of said steel core concrete column; And the bearing capacity of said steel core concrete column is big more, and the vertical height of said steel fibrous concrete post (3) is big more.
3. according to claim 1 or 2 described laying perforate stiffening ribs and fill the column construction spare of steel fibrous concrete, it is characterized in that: the cross section of said rectangular steel tube (1) is square, and a plurality of said vertical stiffening ribs (2) are even laying and N1=N2.
4. according to claim 3 described laying perforate stiffening rib and fill the column construction spare of steel fibrous concrete, it is characterized in that: the quantity of a plurality of said vertical stiffening ribs (2) is 4 or 8, and N1=N2=1 or 2.
5. according to claim 1 or 2 described laying perforate stiffening ribs and fill the column construction spare of steel fibrous concrete; It is characterized in that: the cross section of said rectangular steel tube (1) is a rectangle; L1>L2, and the quantity of a plurality of said vertical stiffening ribs (2) is 4~10.
6. according to claim 1 or 2 described laying perforate stiffening ribs and fill the column construction spare of steel fibrous concrete, it is characterized in that: the cross-sectional area of said rectangular steel tube (1) is 4 m
2~10 m
2And its wall thickness is 18mm~25mm.
7. according to claim 6 described laying perforate stiffening rib and fill the column construction spare of steel fibrous concrete, it is characterized in that: a plurality of said through holes (4) are even laying.
8. according to claim 7 described laying perforate stiffening rib and fill the column construction spare of steel fibrous concrete, it is characterized in that: said through hole (4) is a circular port; The diameter of said circular port is Φ 30mm~Φ 50mm, and the spacing of neighbouring two said circular ports is 100mm~200mm.
9. according to claim 7 described laying perforate stiffening rib and fill the column construction spare of steel fibrous concrete; It is characterized in that: said vertical stiffening rib (2) is the strip steel floor that is welded as a whole with rectangular steel tube (1), and the transverse width of said strip steel floor is that 100mm~250mm and its thickness are 12mm~22mm.
Priority Applications (1)
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CN2012200472672U CN202544240U (en) | 2012-02-14 | 2012-02-14 | Cylindrical structural part with holes and reinforcing ribs and filled with steel fiber concrete |
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CN2012200472672U CN202544240U (en) | 2012-02-14 | 2012-02-14 | Cylindrical structural part with holes and reinforcing ribs and filled with steel fiber concrete |
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CN2012200472672U Expired - Fee Related CN202544240U (en) | 2012-02-14 | 2012-02-14 | Cylindrical structural part with holes and reinforcing ribs and filled with steel fiber concrete |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102535750A (en) * | 2012-02-14 | 2012-07-04 | 长安大学 | Cylindrical construction part provided with holed stiffening ribs and filled with steel fiber reinforced concrete |
CN103074848A (en) * | 2013-01-27 | 2013-05-01 | 长安大学 | Perfobond strip (PBL) stiffened thin-wall steel box-concrete structure |
-
2012
- 2012-02-14 CN CN2012200472672U patent/CN202544240U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102535750A (en) * | 2012-02-14 | 2012-07-04 | 长安大学 | Cylindrical construction part provided with holed stiffening ribs and filled with steel fiber reinforced concrete |
CN103074848A (en) * | 2013-01-27 | 2013-05-01 | 长安大学 | Perfobond strip (PBL) stiffened thin-wall steel box-concrete structure |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20130214 |