CN103031927B - SCS square concrete-filled steel tube pier column - Google Patents
SCS square concrete-filled steel tube pier column Download PDFInfo
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- CN103031927B CN103031927B CN201210580264.XA CN201210580264A CN103031927B CN 103031927 B CN103031927 B CN 103031927B CN 201210580264 A CN201210580264 A CN 201210580264A CN 103031927 B CN103031927 B CN 103031927B
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- steel tube
- rectangular steel
- pipe
- concrete
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Abstract
The invention discloses an SCS (square concrete-filled steel) tube pier column which comprises a square steel tube, a circular steel tube, four stiffening rib plate groups and a concrete structure, wherein the circular steel tube is mounted in the square steel tube in a sleeving manner; the four stiffening rib plate groups are arranged on four inner side walls of the square steel tube respectively; the concrete structure is formed by pouring concrete filled in a cavity between the square steel tube and the circular steel tube; each stiffening rib plate group comprises a plurality of longitudinal stiffening ribs that are arranged in parallel; the longitudinal stiffening ribs are perpendicular to the inner side walls of the square steel tube where the longitudinal stiffening ribs are located respectively; all the longitudinal stiffening ribs in the four stiffening rib plate groups have identical structures and sizes; the square steel tube and the circular steel tube are arranged coaxially; and the transverse width of each longitudinal stiffening rib is less than a distance between the square steel tube and the circular steel tube where the longitudinal stiffening rib is arranged. The pier column is simple in structure, reasonable in design, convenient to construct, lower in construction cost, good in mechanical property and good in use effect, and can effectively solve the problems existing in the existing square concrete-filled steel tube structure.
Description
Technical field
The present invention relates to a kind of support pier stud, especially relate to a kind of SCS square steel-pipe concrete pier stud.
Background technology
Concrete filled steel tube refers to the structure formed after fill concrete in steel pipe.Steel and concrete bi-material make up weakness each other mutually, give full play to strong point each other, make concrete filled steel tube have very high bearing capacity, have excellent mechanical property.Nowadays, encased structures ocean platform with greatly across structures such as, heavy duty, light bridges in an increasingly wide range of applications, and the encased structures adopted mainly contains circle, square and rectangle three kinds of section forms.But the defect that current used encased structures ubiquity dead load is large, thus greatly limit the development and application of encased structures.
Wherein, Concrete Filled Square Steel Tubular has the following advantages: the first, square steel tube concrete beam Column border node form is simple, and be easy to construction, especially in frame construction, the advantage of this node can be played well; The second, the relative inertness square in cross section is comparatively large, resistance to overturning and bending-resistant better performances; Three, there is good anti-seismic performance and ductile performance.But the effect of contraction of square steel pipe to core concrete is poor, easily cripling occurs, and steel using amount is comparatively large, and dead load is large, thus makes the development and application of Concrete-Filled Square Steel Tube be restricted.The above-mentioned defect existed for Concrete Filled Square Steel Tubular and deficiency, mainly adopt at present in square steel pipe, establish the methods such as stiffening rib, reinforcing bar, reinforcing bar, round steel pipe to improve.
To sum up, present concrete-filled steel square tubular column ubiquity Railway Project: the first, square steel pipe is more weak to concrete Confinement effect, easily cripling occurs, and the globality of combining structure is inadequate; The second, the deadweight of concrete-filled steel square tubular column is bigger than normal, thus limits the physical dimension of cylinder; 3. steel fire resistance is poor.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, a kind of SCS square steel-pipe concrete pier stud is provided, its structure is simple, reasonable in design, easy construction and construction cost is lower, good mechanical performance, result of use are good, and, the outside steel pipe poor from great, construction inconvenience, switching performance between outside steel pipe and its inner concrete that effectively can solve that existing square steel-pipe concrete structure exists is to problems such as the concrete Confinement effect in inside are little.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of SCS square steel-pipe concrete pier stud, is characterized in that: comprise rectangular steel tube, be set in the round steel pipe of rectangular steel tube inside, the floor group and by the shaping concrete structure of the concreting be filled between rectangular steel tube and round steel pipe in cavity of putting more energy into that four are laid on four inside walls of rectangular steel tube respectively; Floor group of putting more energy into described in each includes the longitudinal stiffener that multiple tracks is parallel laying, the cloth set direction of longitudinal stiffener described in multiple tracks is all consistent with the central axial direction of rectangular steel tube and round steel pipe, and longitudinal stiffener described in multiple tracks is all vertical runs with the inside wall of rectangular steel tube residing for it; The structure of all longitudinal stiffeners in floor group of putting more energy into described in four is all identical with size; Described rectangular steel tube and round steel pipe are laid in coaxial; The cloth set direction of all longitudinal stiffeners in floor group of putting more energy into described in four is all consistent with the central axial direction of described round steel pipe and rectangular steel tube, and all longitudinal stiffeners of putting more energy into described in four in floor group are all fastenedly connected with concrete structure and are integrated; Described longitudinal stiffener is strip steel floor, every described longitudinal stiffener lateral wall together is all fastened and fixed on the inside wall of rectangular steel tube, and the transverse width of every described longitudinal stiffener together is all less than the spacing between its installation position place rectangular steel tube and round steel pipe; Described rectangular steel tube, round steel pipe are all identical with the longitudinal length of PBL stiffening rib described in multiple tracks; The top of described rectangular steel tube is all mutually concordant with the top of described round steel pipe with the top of PBL stiffening rib described in multiple tracks, and the bottom of described rectangular steel tube is all mutually concordant with the bottom of described round steel pipe with the bottom of PBL stiffening rib described in multiple tracks.
Above-mentioned a kind of SCS square steel-pipe concrete pier stud, is characterized in that: the middle part of described strip steel floor has multiple through hole from top to bottom, and multiple described through hole is laid on the same line.
Above-mentioned a kind of SCS square steel-pipe concrete pier stud, is characterized in that: be all connected with welding manner between the lateral wall of every described longitudinal stiffener together and the inside wall of rectangular steel tube.
Above-mentioned a kind of SCS square steel-pipe concrete pier stud, it is characterized in that: four inside walls of described rectangular steel tube comprise the left side wall of symmetrical laying and right side wall and symmetry is laid in front and back front side wall and rear wall, on described front side wall and rear wall lay longitudinal stiffener quantity be N1, and on described left side wall and right side wall lay longitudinal stiffener quantity be N2, wherein N1 >=N2, transverse width L1 >=described the left side wall of described front side wall and rear wall and the transverse width L2 of right side wall, N1 and N2 is positive integer and N2 >=2; When the cross section of described rectangular steel tube is square, N1=N2; When the cross section of described rectangular steel tube is rectangle, and L1 > L2.
Above-mentioned a kind of SCS square steel-pipe concrete pier stud, is characterized in that: on all longitudinal stiffeners of putting more energy into described in four in floor group to offer the quantity of through hole all identical with the installation position of each through hole; Multiple described through hole is from top to bottom in evenly laying, and the structure of multiple described through hole is all identical with size.
Above-mentioned a kind of SCS square steel-pipe concrete pier stud, is characterized in that: described concrete structure is carbon fiber reinforced concrete.
Above-mentioned a kind of SCS square steel-pipe concrete pier stud, it is characterized in that: the external diameter of described round steel pipe is Φ 102mm ~ Φ 2000mm, the wall thickness of described rectangular steel tube and round steel pipe is 4mm ~ 100mm, and A1 ︰ A2=1 ︰ (0.6 ~ 0.8), wherein A1=a1+b1, a1 is the cross-sectional area of rectangular steel tube and b1 is the cross-sectional area of hollow bulb inside rectangular steel tube, A2=π r
2and r is the external diameter of round steel pipe.
Above-mentioned a kind of SCS square steel-pipe concrete pier stud, is characterized in that: the transverse width of every described longitudinal stiffener together, be spacing between its installation position place rectangular steel tube and round steel pipe (
).
Above-mentioned a kind of SCS square steel-pipe concrete pier stud, is characterized in that: described through hole is circular port, and the aperture of described circular port
the wherein transverse width of d3 longitudinal stiffener residing for described circular port.
Above-mentioned a kind of SCS square steel-pipe concrete pier stud, is characterized in that: the cross-sectional area of described rectangular steel tube is preferably 4m
2~ 10m
2and its wall thickness is preferably 18mm ~ 25mm, the wall thickness of described round steel pipe is preferably 18mm ~ 25mm; The transverse width of described strip steel floor is preferably 100mm ~ 250mm and its thickness is preferably 12mm ~ 22mm; The diameter of described circular port is preferably Φ 30mm ~ Φ 50mm, and the spacing of neighbouring two described circular ports is preferably 100mm ~ 200mm.
The present invention compared with prior art has the following advantages:
1, structure is simple, reasonable in design and construction cost is lower.
2, the slim and graceful and antidetonation of structure and torsional property good.Meanwhile, mode of occupation is flexible, is applicable in the structures such as pier stud, arch rib, crossbeam.
3, easy construction, result of use is good, mechanical property is good and structure is slim and graceful, passes through poured into a mould concrete and connect into as a whole between inside and outside two-layer steel pipe.During actual use, the present invention can substantially improve the defects such as square steel-pipe concrete dead load is large, construction inconvenience, its sectional area utilizing rectangular steel tube larger provides larger cross section antitorque with bending resistance moment of inertia, utilize round steel pipe to effectively reduce volume of concrete to alleviate deadweight, and sandwich concrete is in three dimension stress state and interior rectangular steel tube is linked to be entirety.Thus, the present invention can give full play to the form that square steel-pipe concrete node has simple, be easy to the advantages such as construction, the relative inertness square in cross section is larger, antidetonation, torsional property are good, effectively can overcome that switching performance between rectangular steel tube and its inner concrete is poor, outside steel pipe is to shortcomings such as the concrete Confinement effect in inside are little, the present invention utilizes built-in round steel pipe to strengthen concrete Confinement effect, and utilizes the effective volume of concrete of round steel pipe to alleviate the object of deadweight.
4, the concrete poured into a mould between interior rectangular steel tube both can adopt ordinary concrete, also can adopt carbon fiber reinforced concrete.Further, in the carbon fiber reinforced concrete adopted add carbon fiber content be mass percentage about 0.6%, concrete tensile strength and tension ductility can be improved 30% and 25% respectively.Carbon fiber is formed through the cutting of chopping machine tool by carbon fiber filament, length is generally in units of mm, profile is that the suede of certain length must, there is lightweight, high-strength, Gao Mo, corrosion-resistant, conduction, advantages of good shielding performance, wave absorbtion high, and have and be uniformly dispersed, feeding manner is various, the simple advantage of technique.Add appropriate chopped carbon fiber in concrete, concrete tensile strength, anti-intensity and shock resistance can be improved, reduce drying shrinkage, improve anti-wear performance, and this concrete comparatively ordinary concrete quality is light, there is certain heat-proof quality and damping performance.All fill up compared with concrete encased structures in and the space that formed between round steel pipe with rectangular steel tube inner with round steel pipe, the present invention can make full use of the intensity of built-in round steel pipe.
5, perforate stiffening rib is utilized to strengthen the lateral stability of rectangular steel tube, and corresponding significantly enhancing structure shear resistance, each ingredient of whole encased structures is closely linked to be entirety simultaneously.Coordinate multiple tracks stirrup again, connect as one organic for multiple tracks perforate stiffening rib, further enhancing the globality of whole encased structures.Set perforate stiffening rib not only increases the compressive strength of core concrete, strengthens the stability of tube wall; The stiffening rib of perforate simultaneously act as the effect of shear key, makes steel pipe and concrete be linked to be entirety, improves the compound action of Steel concrete.Further, of the present invention workable, the uppity difficult problem that the curvature time that effectively can solve nowadays steel pipe causes because having relation with perforate stiffening rib rigidity.
In sum, structure of the present invention is simple, reasonable in design, easy construction and construction cost is lower, good mechanical performance, result of use are good, and, the outside steel pipe poor from great, construction inconvenience, switching performance between outside steel pipe and its inner concrete that effectively can solve that existing square steel-pipe concrete structure exists is to various problems such as the concrete Confinement effect in inside are little.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is internal construction schematic diagram of the present invention.
Fig. 3 is top structure schematic diagram of the present invention.
Description of reference numerals:
1-rectangular steel tube; 2-round steel pipe; 3-PBL stiffening rib;
4-concrete structure; 5-through hole.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, the present invention includes rectangular steel tube 1, be set in the round steel pipe 2, four of rectangular steel tube 1 inside and be laid in the floor group and by the shaping concrete structure 4 of the concreting be filled between rectangular steel tube 1 and round steel pipe 2 in cavity of putting more energy on four inside walls of rectangular steel tube 1 respectively.Floor group of putting more energy into described in each includes the longitudinal stiffener 3 that multiple tracks is parallel laying, the cloth set direction of longitudinal stiffener 3 described in multiple tracks is all consistent with the central axial direction of rectangular steel tube 1 and round steel pipe 2, and longitudinal stiffener 3 described in multiple tracks is all vertical runs with the inside wall of rectangular steel tube residing for it 1.The structure of all longitudinal stiffeners 3 in floor group of putting more energy into described in four is all identical with size.Described rectangular steel tube 1 and round steel pipe 2 are laid in coaxial; The cloth set direction of all longitudinal stiffeners 3 in floor group of putting more energy into described in four is all consistent with the central axial direction of described round steel pipe 2 and rectangular steel tube 1, and all longitudinal stiffeners 3 of putting more energy into described in four in floor group are all fastenedly connected with concrete structure 4 and are integrated; Described longitudinal stiffener 3 is strip steel floor, every described longitudinal stiffener 3 lateral wall together is all fastened and fixed on the inside wall of rectangular steel tube 1, and the transverse width of every described longitudinal stiffener 3 together is all less than the spacing between its installation position place rectangular steel tube 1 and round steel pipe 2.Described rectangular steel tube 1, round steel pipe 2 are all identical with the longitudinal length of PBL stiffening rib 3 described in multiple tracks.The top of described rectangular steel tube 1 is all mutually concordant with the top of described round steel pipe 2 with the top of PBL stiffening rib 3 described in multiple tracks, and the bottom of described rectangular steel tube 1 is all mutually concordant with the bottom of described round steel pipe 2 with the bottom of PBL stiffening rib 3 described in multiple tracks.
In the present embodiment, the middle part of described strip steel floor has multiple through hole 5 from top to bottom, and multiple described through hole 5 is laid on the same line.
Actually add man-hour, the lateral wall of every described longitudinal stiffener 3 together is all connected with welding manner with between the inside wall of rectangular steel tube 1.
In the present embodiment, four inside walls of described rectangular steel tube 1 comprise the left side wall of symmetrical laying and right side wall and symmetry is laid in front and back front side wall and rear wall, on described front side wall and rear wall lay longitudinal stiffener 3 quantity be N1, and on described left side wall and right side wall lay longitudinal stiffener 3 quantity be N2, wherein N1 >=N2, transverse width L1 >=described the left side wall of described front side wall and rear wall and the transverse width L2 of right side wall, N1 and N2 is positive integer and N2 >=2; When the cross section of described rectangular steel tube 1 is square, N1=N2; When the cross section of described rectangular steel tube 1 is rectangle, and L1 > L2.
In the present embodiment, on all longitudinal stiffeners 3 of putting more energy into described in four in floor group to offer the quantity of through hole 5 all identical with the installation position of each through hole 5.Multiple described through hole 5 is from top to bottom in evenly laying, and the structure of multiple described through hole 5 is all identical with size.
In the present embodiment, described concrete structure 4 is carbon fiber reinforced concrete.
Actually add man-hour, the external diameter of described round steel pipe 2 is Φ 102mm ~ Φ 2000mm, the wall thickness of described rectangular steel tube 1 and round steel pipe 2 is 4mm ~ 100mm, and A1 ︰ A2=1 ︰ (0.6 ~ 0.8), wherein A1=a1+b1, a1 is the cross-sectional area of rectangular steel tube 1 and b1 is the cross-sectional area of hollow bulb inside rectangular steel tube 1, A2=π r
2and r is the external diameter of round steel pipe 2.
The transverse width of every described longitudinal stiffener 3 together, is spacing between its installation position place rectangular steel tube 1 and round steel pipe 2
In the present embodiment, described through hole 5 is circular port, and the aperture of described circular port
the wherein transverse width of d3 longitudinal stiffener 3 residing for described circular port.
In the present embodiment, A1=D
2and it is preferably 4m
2~ 10m
2,=6m
2, wherein D is the lateral wall length of side of described rectangular steel tube 1, and the wall thickness of described rectangular steel tube 1 is preferably 18mm ~ 25mm.The transverse width of described strip steel floor is preferably 100mm ~ 250mm and its thickness is preferably 12mm ~ 22mm; The diameter of described circular port is preferably Φ 30mm ~ 50mm, and the spacing of neighbouring two described circular ports is preferably 100mm ~ 200mm.
Actually add man-hour, in floor group of putting more energy into described in each, multiple described longitudinal stiffener 3 is in evenly laying.In the present embodiment, in floor group of putting more energy into described in each, the quantity of included longitudinal stiffener 3 is preferably 1 road, road ~ 4.
During practice of construction, when constructed concrete filled steel tube pier stud is for the field such as building construction, bridge, the wall thickness of described round steel pipe 2 and rectangular steel tube 1 preferably adjusts accordingly in the scope of 4mm ~ 66mm.When constructed concrete filled steel tube pier stud is for ocean platform, the wall thickness of described round steel pipe 2 and rectangular steel tube 1 preferably adjusts accordingly in the scope of 12mm ~ 100mm.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (6)
1. a SCS square steel-pipe concrete pier stud, is characterized in that: comprise rectangular steel tube (1), be set in the inner round steel pipe (2) of rectangular steel tube (1), the floor group and by the shaping concrete structure (4) of the concreting be filled between rectangular steel tube (1) and round steel pipe (2) in cavity of putting more energy into that four are laid on four inside walls of rectangular steel tube (1) respectively; Floor group of putting more energy into described in each includes the longitudinal stiffener (3) that multiple tracks is parallel laying, and longitudinal stiffener described in multiple tracks (3) is all vertical runs with the inside wall of rectangular steel tube residing for it (1); The structure of all longitudinal stiffeners (3) in floor group of putting more energy into described in four is all identical with size; Described rectangular steel tube (1) and round steel pipe (2) are laid in coaxial; The cloth set direction of all longitudinal stiffeners (3) in floor group of putting more energy into described in four is all consistent with the central axial direction of described round steel pipe (2) and rectangular steel tube (1), and all longitudinal stiffeners (3) of putting more energy into described in four in floor group are all fastenedly connected with concrete structure (4) and are integrated; Described longitudinal stiffener (3) is strip steel floor, every described longitudinal stiffener (3) lateral wall together is all fastened and fixed on the inside wall of rectangular steel tube (1), and the transverse width of every described longitudinal stiffener (3) together is all less than the spacing between its installation position place rectangular steel tube (1) and round steel pipe (2); Described rectangular steel tube (1), round steel pipe (2) are all identical with the longitudinal length of longitudinal stiffener described in multiple tracks (3); The top of described rectangular steel tube (1) is all mutually concordant with the top of described round steel pipe (2) with the top of longitudinal stiffener described in multiple tracks (3), and the bottom of described rectangular steel tube (1) is all mutually concordant with the bottom of described round steel pipe (2) with the bottom of longitudinal stiffener described in multiple tracks (3); The middle part of described strip steel floor has multiple through hole (5) from top to bottom, and multiple described through hole (5) is laid on the same line; The transverse width of every described longitudinal stiffener (3) together, be spacing between its installation position place rectangular steel tube (1) and round steel pipe (2) (
~
); Described through hole (5) is circular port, and the aperture d2=(of described circular port
~
) d3, the wherein transverse width of d3 longitudinal stiffener (3) residing for described circular port; The external diameter of described round steel pipe (2) is
102mm ~
2000mm, the wall thickness of described rectangular steel tube (1) and round steel pipe (2) is 4mm ~ 100mm, and A1 ︰ A2=1 ︰ (0.6 ~ 0.8), wherein A1=a1+b1, a1 is the cross-sectional area of rectangular steel tube (1) and b1 is the cross-sectional area of rectangular steel tube (1) inner side hollow bulb, A2=
and
for the external diameter of round steel pipe (2).
2. according to a kind of SCS square steel-pipe concrete pier stud according to claim 1, it is characterized in that: the lateral wall of every described longitudinal stiffener (3) together is all connected with welding manner with between the inside wall of rectangular steel tube (1).
3. according to a kind of SCS square steel-pipe concrete pier stud described in claim 1 or 2, it is characterized in that: four inside walls of described rectangular steel tube (1) comprise the left side wall of symmetrical laying and right side wall and symmetry is laid in front and back front side wall and rear wall, on described front side wall and rear wall lay longitudinal stiffener (3) quantity be N1, and on described left side wall and right side wall lay longitudinal stiffener (3) quantity be N2, wherein N1 >=N2, transverse width L1 >=described the left side wall of described front side wall and rear wall and the transverse width L2 of right side wall, N1 and N2 is positive integer and N2 >=2, when the cross section of described rectangular steel tube (1) is square, N1=N2.
4., according to a kind of SCS square steel-pipe concrete pier stud according to claim 1, it is characterized in that: on all longitudinal stiffeners (3) of putting more energy into described in four in floor group to offer the quantity of through hole (5) all identical with the installation position of each through hole (5); Multiple described through hole (5) is from top to bottom in evenly laying, and the structure of multiple described through hole (5) is all identical with size.
5., according to a kind of SCS square steel-pipe concrete pier stud described in claim 1 or 2, it is characterized in that: described concrete structure (4) is carbon fiber reinforced concrete.
6., according to a kind of SCS square steel-pipe concrete pier stud according to claim 1, it is characterized in that: described A1 is 4m
2~ 10m
2, the wall thickness of rectangular steel tube (1) is 18mm ~ 25mm, and the wall thickness of described round steel pipe (2) is 18mm ~ 25mm; The transverse width of described strip steel floor is 100mm ~ 250mm and its thickness is 12mm ~ 22mm; The diameter of described circular port is
30mm ~
50mm, and the spacing of neighbouring two described circular ports is 100mm ~ 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580264.XA CN103031927B (en) | 2012-12-27 | 2012-12-27 | SCS square concrete-filled steel tube pier column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580264.XA CN103031927B (en) | 2012-12-27 | 2012-12-27 | SCS square concrete-filled steel tube pier column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103031927A CN103031927A (en) | 2013-04-10 |
| CN103031927B true CN103031927B (en) | 2015-07-15 |
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ID=48019283
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|---|---|---|---|
| CN201210580264.XA Expired - Fee Related CN103031927B (en) | 2012-12-27 | 2012-12-27 | SCS square concrete-filled steel tube pier column |
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| CN (1) | CN103031927B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938799A (en) * | 2014-04-10 | 2014-07-23 | 北京工业大学 | Ribbed steel plate composite gigantic column and manufacturing method |
| CN110130214A (en) * | 2019-06-04 | 2019-08-16 | 姚攀峰 | A kind of bridge pier, bridge structure, king-post and construction method |
| CN111691291A (en) * | 2020-07-14 | 2020-09-22 | 中交第一公路勘察设计研究院有限公司 | Steel-concrete combined plate type pier used in central separation belt of overpass bridge and construction method thereof |
| CN113848119A (en) * | 2021-09-27 | 2021-12-28 | 长安大学 | Method and device for testing PBL (Poly-p-phenylene benzobisoxazole) connecting piece in rectangular concrete-filled steel tube structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201347603Y (en) * | 2009-01-08 | 2009-11-18 | 山东科技大学 | Hollow concrete-filled tubular column |
| 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 |
| CN202323683U (en) * | 2011-11-19 | 2012-07-11 | 长安大学 | Steel plate light steel fiber concrete pier provided with hooping and stiffening ribs with holes |
| CN202500078U (en) * | 2012-02-14 | 2012-10-24 | 长安大学 | A hollow steel tube cylindrical structure based on externally-installed stiffeners and externally-wrapped concrete |
| CN203008235U (en) * | 2012-12-27 | 2013-06-19 | 长安大学 | SCS (steel concrete structure) square concrete-filled steel tube pier stud with internal vertical reinforcing ribs |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0351462A (en) * | 1989-07-18 | 1991-03-05 | Ohbayashi Corp | Double steel pipe concrete structure |
| JPH09165720A (en) * | 1995-12-19 | 1997-06-24 | Ishikawajima Constr Materials Co Ltd | Reinforcing method of cylindrical column |
-
2012
- 2012-12-27 CN CN201210580264.XA patent/CN103031927B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201347603Y (en) * | 2009-01-08 | 2009-11-18 | 山东科技大学 | Hollow concrete-filled tubular column |
| CN202323683U (en) * | 2011-11-19 | 2012-07-11 | 长安大学 | Steel plate light steel fiber concrete pier provided with hooping and stiffening ribs with holes |
| 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 |
| CN202500078U (en) * | 2012-02-14 | 2012-10-24 | 长安大学 | A hollow steel tube cylindrical structure based on externally-installed stiffeners and externally-wrapped concrete |
| CN203008235U (en) * | 2012-12-27 | 2013-06-19 | 长安大学 | SCS (steel concrete structure) square concrete-filled steel tube pier stud with internal vertical reinforcing ribs |
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