CN203008236U - SCS (steel concrete structure) concrete-filled steel tube structure with vertical reinforcing structure in internal whole length - Google Patents
SCS (steel concrete structure) concrete-filled steel tube structure with vertical reinforcing structure in internal whole length Download PDFInfo
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- CN203008236U CN203008236U CN 201220735072 CN201220735072U CN203008236U CN 203008236 U CN203008236 U CN 203008236U CN 201220735072 CN201220735072 CN 201220735072 CN 201220735072 U CN201220735072 U CN 201220735072U CN 203008236 U CN203008236 U CN 203008236U
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Abstract
The utility model discloses an SCS (steel concrete structure) concrete-filled steel tube structure with a vertical reinforcing structure in internal whole length. The SCS concrete-filled steel tube structure comprises an outer steel tube, an inner steel tube, a plurality of vertical reinforcing ribs distributed on the inner side wall of the outer steel tube, and a concrete structure cast by concrete filled in a cavity between the outer steel tube and the inner steel tube; the outer steel tube and the inner steel tube are coaxial; the plurality of vertical reinforcing ribs are arranged along the circumference direction of the inner steel tube; the vertical lengths of the outer steel tube, the inner steel tube and the plurality of vertical reinforcing ribs are all the same; and the crosswise width of each vertical reinforcing rib is equal to the distance between the outer steel tube and the inner steel tube in the position of the vertical reinforcing rib. The SCS concrete-filled steel tube structure is simple, is reasonable in design, convenient to construct, relatively low in construction cost, excellent in mechanical property and excellent in using effect, and can effectively solve the problems of high dead weight, poor connecting property between an outer steel tube and internal concrete, poor hoop function of the outer steel tube to the internal concrete, and the like of existing concrete-filled steel tube structures.
Description
Technical field
The utility model relates to a kind of encased structures, especially relates to the SCS encased structures of the vertical reinforcing structure of the elongated laying in a kind of inside.
Background technology
Concrete filled steel tube refers to the structure that forms 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, and have good 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 that adopts mainly contains circle, square, square equal cross-section form.But, the defective such as the present encased structures spare ubiquity dead load of using is large, thereby limited to a great extent the development and application of encased structures.
In addition, lay perforate stiffening rib (being called for short the PBL stiffening rib) in steel pipe after, not only improve the compressive strength of core concrete, strengthened the stability of steel pipe tube wall; The effect that the stiffening rib of perforate has simultaneously served as shear key makes steel pipe and concrete be linked to be integral body, has improved the compound action of Steel concrete.But during actual the use, the rigidity of the morning and evening of steel pipe flexing with the PBL stiffening rib has direct relation, thereby wayward, and dead load is very large.
To sum up, the several problems of existing encased structures ubiquity: the first, outside steel pipe to concrete cuff effect a little less than, cripling easily occurs, and the globality of steel pipe and combining structure that concrete forms is inadequate; The second, deadweight is bigger than normal, has limited physical dimension; Three, the fire resistance of steel is relatively poor.
The utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, the SCS encased structures of the vertical reinforcing structure of the elongated laying in a kind of inside is provided, it is simple in structure, reasonable in design, easy construction and construction cost is lower, good mechanical performance, result of use are good, and the switching performance between great, outside steel pipe and its inner concrete that can solve effectively that existing encased structures exists is poor, outside steel pipe is to problems such as the concrete cuff effect in inside are little.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the SCS encased structures of the vertical reinforcing structure of the elongated laying in a kind of inside, it is characterized in that: comprise outer steel pipe, be set in outer steel duct interior steel pipe, be laid on outer steel pipe inside wall the multiple tracks longitudinal stiffener and until the described longitudinal stiffener of multiple tracks all lay complete after by the concrete structure that is filled in the concreting moulding in cavity between outer steel pipe and interior steel pipe, described interior steel pipe is that round steel pipe and its are laid in the middle inside of outer steel pipe; Described outer steel pipe and interior steel pipe are coaxial laying, and the cloth set direction of the described longitudinal stiffener of multiple tracks all the central axial direction with described interior steel pipe and outer steel pipe is consistent, the described longitudinal stiffener of multiple tracks all is fastenedly connected with concrete structure and is integrated; Described longitudinal stiffener is strip steel floor, and the described longitudinal stiffener of multiple tracks is laid along the circumferencial direction of interior steel pipe; The longitudinal length of described outer steel pipe, interior steel pipe and the described longitudinal stiffener of multiple tracks is all identical, the top of the top of described outer steel pipe and the described longitudinal stiffener of multiple tracks is all mutually concordant with the top of described interior steel pipe, and the bottom of the bottom of described outer steel pipe and the described longitudinal stiffener of multiple tracks is all mutually concordant with the bottom of described interior steel pipe; And every transverse width of described longitudinal stiffener together is outside its installation position place spacing between steel pipe and interior steel pipe
The SCS encased structures of the vertical reinforcing structure of the elongated laying in above-mentioned a kind of inside is characterized in that: the middle part of described strip steel floor has a plurality of through holes from top to bottom, and a plurality of described through hole is laid on same straight line.
The SCS encased structures of the vertical reinforcing structure of the elongated laying in above-mentioned a kind of inside is characterized in that: the described longitudinal stiffener of multiple tracks is evenly laid along the circumferencial direction of interior steel pipe.
The SCS encased structures of the vertical reinforcing structure of the elongated laying in above-mentioned a kind of inside, it is characterized in that: the external diameter of described interior steel pipe is Φ 102mm～Φ 2000mm, the wall thickness of described outer steel pipe and interior steel pipe is 4mm～100mm, and A1 ︰ A2=1 ︰ (0.6～0.8), A1=a1+b1 wherein, a1 is that cross-sectional area and the b1 of outer steel pipe is the cross-sectional area of the inboard hollow bulb of outer steel pipe, A2=π r
2And r is the external diameter of interior steel pipe.
The SCS encased structures of the vertical reinforcing structure of the elongated laying in above-mentioned a kind of inside is characterized in that: every described longitudinal stiffener together all is fixed on the inside wall of outer steel pipe with welding manner, and described concrete structure is carbon fiber reinforced concrete.
The SCS encased structures of the vertical reinforcing structure of the elongated laying in above-mentioned a kind of inside is characterized in that: the cross section of described outer steel pipe is circle, rectangle or regular polygon.
The SCS encased structures of the vertical reinforcing structure of the elongated laying in above-mentioned a kind of inside is characterized in that: the quantity of described longitudinal stiffener is 4 roads～8 roads.
The SCS encased structures of the vertical reinforcing structure of the elongated laying in above-mentioned a kind of inside is characterized in that: a plurality of described through holes are even laying from top to bottom, and the structure of a plurality of described through holes is all identical with size; On the described longitudinal stiffener of multiple tracks, the installation position of the quantity of the through hole of offering and each through hole is all identical.
The SCS encased structures of the vertical reinforcing structure of the elongated laying in above-mentioned a kind of inside, it is characterized in that: comprise that also multiple tracks is laid in the stirrup on the described longitudinal stiffener of multiple tracks from top to bottom, the described stirrup of multiple tracks is parallel laying, the quantity of the described stirrup of multiple tracks is identical with the quantity of a plurality of described through holes, and the described stirrup of multiple tracks passes in a plurality of described through hole of opening on every described longitudinal stiffener together respectively.
The SCS encased structures of the vertical reinforcing structure of the elongated laying in above-mentioned a kind of inside, it is characterized in that: the thickness of the described longitudinal stiffener of multiple tracks is all identical, and the thickness of the described longitudinal stiffener of multiple tracks is d1, d1≤D wherein, D is the wall thickness of outer steel pipe; The wall thickness of described outer steel pipe is larger, and the thickness of the described longitudinal stiffener of multiple tracks is all larger; Described through hole is circular port, and the aperture of described circular port
Wherein d3 is the transverse width of described circular port longitudinal stiffener of living in.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and construction cost is lower.
2, the slim and graceful and antidetonation of structure and torsional property are good.Simultaneously, mode of occupation is flexible, in the structures such as pier stud, arch rib, crossbeam.
3, easy construction and result of use are good, and the mechanical property of the SCS steel tube concrete column construction spare of institute's construction molding is good and structure is slim and graceful, and the concrete that passes through to pour into a mould between inside and outside two-layer steel pipe connects into as a whole.During actual the use, the utility model can substantially improve encased structures from the defective such as great, it utilizes the larger sectional area of outer steel pipe to provide larger cross section antitorque and bending resistance moment of inertia, utilize interior steel pipe to effectively reduce volume of concrete and alleviate deadweight, and sandwich concrete is in the three dimension stress state and outer and inner tube is linked to be integral body.Thereby, the utility model can give full play to the form that the concrete filled steel tube node has simple, be easy to the advantage such as construction, the relative inertness square in cross section is larger, antidetonation, torsional property are good, can overcome effectively that switching performance between steel pipe and its inner concrete is poor, outside steel pipe is to the shortcoming such as the concrete cuff effect in inside is little, the utility model utilizes built-in round steel pipe to strengthen concrete cuff effect, and in utilizing, the effective volume of concrete of steel pipe alleviates the purpose of deadweight.
4, the concrete of pouring into a mould between outer and inner tube both can adopt ordinary concrete, also can adopt carbon fiber reinforced concrete.And, the content that adds carbon fiber in the carbon fiber reinforced concrete that adopts be the quality percentage composition in 0.6% left and right, concrete tensile strength and tension ductility can be improved respectively 30% and 25%.Carbon fiber is to be formed through chopped mechanical cutting by carbon fiber filament, length is generally take mm as unit, profile is that the suede of certain-length must, have 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, can improve concrete tensile strength, anti-intensity and shock resistance, reduce drying shrinkage, improve anti-wear performance, and this concrete is light than the ordinary concrete quality, has certain heat-proof quality and damping performance.With all fill up concrete encased structures in the space that forms between interior steel duct and interior steel pipe and outer steel pipe and compare, the utility model can take full advantage of the intensity of built-in round steel pipe.
5, utilize the lateral stability of the outer steel pipe of perforate stiffening rib enhancing, and the corresponding structure shear resistance that significantly strengthens, each ingredient with whole encased structures closely is linked to be integral body simultaneously.Coordinate again the multiple tracks stirrup, with organic the connecting as one of multiple tracks perforate stiffening rib, further strengthened the globality of whole encased structures.Set perforate stiffening rib has not only improved the compressive strength of core concrete, strengthens the stability of tube wall; The effect that the stiffening rib of perforate has simultaneously served as shear key makes steel pipe and concrete be linked to be integral body, has improved the compound action of Steel concrete.And, of the present utility model workable, the uppity difficult problem of the curvature time that can effectively solve nowadays steel pipe because having relation to cause with perforate stiffening rib rigidity.
In sum, the utility model is simple in structure, reasonable in design, easy construction and construction cost is lower, good mechanical performance, result of use are good, and the switching performance between great, outside steel pipe and its inner concrete that can solve effectively that existing encased structures exists is poor, outside steel pipe is to various problems such as the concrete cuff effect in inside are little.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the internal construction schematic diagram of the utility model embodiment 1.
Fig. 3 is the top structure schematic diagram of the utility model embodiment 1.
Fig. 4 is the structural representation of the utility model embodiment 2.
Fig. 5 is the structural representation of the utility model embodiment 3.
Fig. 6 is the structural representation of the utility model embodiment 4.
Fig. 7 is the structural representation of the utility model embodiment 5.
Fig. 8 is the structural representation of the utility model embodiment 6.
Fig. 9 is the structural representation of the utility model embodiment 7.
Description of reference numerals:
1-outer steel pipe; 2-interior steel pipe; 3-longitudinal stiffener;
4-concrete structure; 5-through hole; 6-stirrup.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model comprises outer steel pipe 1, be set in the interior steel pipe 2 of outer steel pipe 1 inside, be laid on outer steel pipe 1 inside wall multiple tracks longitudinal stiffener 3 and until the described longitudinal stiffener 3 of multiple tracks all lay complete after by the concrete structure 4 that is filled in the concreting moulding in cavity between outer steel pipe 1 and interior steel pipe 2, described interior steel pipe 2 is laid in the middle inside of outer steel pipe 1 for round steel pipe and its.Described outer steel pipe 1 and interior steel pipe 2 are coaxial laying, and the cloth set direction of the described longitudinal stiffener 3 of multiple tracks all the central axial direction with described interior steel pipe 2 and outer steel pipe 1 is consistent, the described longitudinal stiffener 3 of multiple tracks all is fastenedly connected with concrete structure 4 and is integrated.Described longitudinal stiffener 3 is strip steel floor, and the described longitudinal stiffener 3 of multiple tracks is laid along the circumferencial direction of interior steel pipe 2.The longitudinal length of described outer steel pipe 1, interior steel pipe 2 and the described longitudinal stiffener 3 of multiple tracks is all identical, the top of the top of described outer steel pipe 1 and the described longitudinal stiffener 3 of multiple tracks is all mutually concordant with the top of described interior steel pipe 2, and the bottom of the bottom of described outer steel pipe 1 and the described longitudinal stiffener 3 of multiple tracks is all mutually concordant with the bottom of described interior steel pipe 2.And every transverse width of described longitudinal stiffener 3 together is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
In the present embodiment, the middle part of described strip steel floor has a plurality of through holes 5 from top to bottom, and a plurality of described through hole 5 is laid on same straight line.
Actually add man-hour, the external diameter of described interior steel pipe 2 is Φ 102mm～2000mm, the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 4mm～100mm, and A1 ︰ A2=1 ︰ (0.6～0.8), A1=a1+b1 wherein, a1 is that cross-sectional area and the b1 of outer steel pipe 1 is the cross-sectional area of outer steel pipe 1 inboard hollow bulb, A2=π r
2And r is the external diameter of interior steel pipe 2.
In the present embodiment, the external diameter of described interior steel pipe 2 is that 200mm and its wall thickness are 15mm.During actual the use, can be according to specific needs, the external diameter of described interior steel pipe 2 is adjusted accordingly in the scope of Φ 102mm～Φ 2000mm, and the wall thickness of interior steel pipe 2 is adjusted accordingly in the scope of 4mm～100mm.
Actually add man-hour, the cross section of described outer steel pipe 1 is circular, rectangle or regular polygon.
In the present embodiment, the cross section of described outer steel pipe 1 is square.
Specifically add man-hour, the cross section of described outer steel pipe 1 also can adopt the shapes such as rectangle, circle, other regular polygon.
In the present embodiment, A1 ︰ A2=1 ︰ 0.7.During actual the use, can be according to specific needs, the ratio value of A1 ︰ A2 is adjusted accordingly in the scope of 1 ︰ (0.6～0.8).
In the present embodiment, described concrete structure 4 is carbon fiber reinforced concrete.
Actually add man-hour, A1 is preferably 4m
2～10m
2, and the wall thickness of described outer steel pipe 1 and interior steel pipe 2 all is preferably 18mm～25mm.
In the present embodiment, A1=D
2=6m
2, wherein D is the lateral wall length of side of described outer steel pipe 1, the wall thickness of described outer steel pipe 1 is 20mm.During actual the use, can be according to specific needs with A1 at 4m
2～10m
2Scope in adjust accordingly, and the wall thickness of outer steel pipe 1 is adjusted accordingly in the scope of 4mm～100mm.
During practice of construction, when being used for the field such as building construction, bridge when the encased structures of constructing, the wall thickness of described interior steel pipe 2 and outer steel pipe 1 preferably adjusts accordingly in the scope of 4mm～66mm.When the encased structures of constructing was used for ocean platform, the wall thickness of described interior steel pipe 2 and outer steel pipe 1 preferably adjusted accordingly in the scope of 12mm～100mm.
During actual processing and fabricating, the described longitudinal stiffener 3 of multiple tracks is evenly laid along the circumferencial direction of interior steel pipe 2.The quantity of described longitudinal stiffener 3 is 4 roads～8 roads.
In the present embodiment, the quantity of the described longitudinal stiffener 3 of multiple tracks is 4 roads, and the described longitudinal stiffener 3 in 4 roads is separately fixed in the middle part of 4 sidewalls of outer steel pipe 1.
And every described longitudinal stiffener 3 together all is fixed on the inside wall of outer steel pipe 1 with welding manner.
In the present embodiment, described concrete structure 4 is carbon fiber reinforced concrete.
In the present embodiment, a plurality of described through holes 5 are even laying from top to bottom, and the structure of a plurality of described through holes 5 is all identical with size.On the described longitudinal stiffener 3 of multiple tracks, the installation position of the quantity of the through hole of offering 5 and each through hole 5 is all identical.
Simultaneously, comprise that also multiple tracks is laid in the stirrup 6 on the described longitudinal stiffener 3 of multiple tracks from top to bottom, the described stirrup 6 of multiple tracks is parallel laying, the quantity of the described stirrup 6 of multiple tracks is identical with the quantity of a plurality of described through holes 5, and the described stirrup 6 of multiple tracks passes in a plurality of described through hole 5 of opening on every described longitudinal stiffener 3 together respectively.
In the present embodiment, the thickness of the described longitudinal stiffener 3 of multiple tracks is all identical, and the thickness of the described longitudinal stiffener 3 of multiple tracks is d1, d1≤D wherein, and D is the wall thickness of outer steel pipe 1.The wall thickness of described outer steel pipe 1 is larger, and the thickness of the described longitudinal stiffener 3 of multiple tracks is all larger.Described through hole 5 is circular port, and the aperture of described circular port
Wherein d3 is the transverse width of described circular port longitudinal stiffener 3 of living in.
During actual processing and fabricating, can be according to specific needs, the aperture d2 of described circular port is existed
Scope in adjust accordingly.And, can be according to specific needs, with the transverse width of every described longitudinal stiffener 3 together spacing between steel pipe 1 and interior steel pipe 2 outside its installation position place
Between adjust accordingly.Simultaneously, can be according to specific needs, the quantity of described longitudinal stiffener 3 and described stirrup 6 is adjusted accordingly.
Actually add man-hour, when the cross section of described outer steel pipe 1 was rectangle or regular polygon, the described longitudinal stiffener 3 of multiple tracks was laid in respectively each sidewall middle part of described outer steel pipe 1.
As shown in Figure 4, in the present embodiment, as different from Example 1: the cross section of described outer steel pipe 1 is circular, A1 ︰ A2=1 ︰ 0.6, and the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=π R
2=10m
2, wherein R is the external diameter of outer steel pipe 1.
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 1.
As shown in Figure 5, in the present embodiment, as different from Example 2: the quantity of described longitudinal stiffener 3 is 6 roads.
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 2.
As shown in Figure 6, in the present embodiment, as different from Example 2: the cross section of described outer steel pipe 1 is positive ten hexagons, and the cross section of outer steel pipe 1 inboard hollow bulb is positive ten hexagonal holes, and the cross-sectional area of the cross-sectional area of the described outer steel pipe 1 of A1=+described positive ten hexagonal holes; The quantity of described longitudinal stiffener 3 is 8 roads, and the described longitudinal stiffener 3 in 8 roads is separately fixed in the middle part of 8 sidewalls of outer steel pipe 1.
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 2.
As shown in Figure 7, in the present embodiment, as different from Example 1: the cross section of described outer steel pipe 1 is regular hexagon, A1 ︰ A2=1 ︰ 0.8, and the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=10m
2, the cross section of outer steel pipe 1 inboard hollow bulb is the regular hexagon hole, the cross-sectional area in and the cross-sectional area of the described outer steel pipe 1 of A1=+described regular hexagon hole; The quantity of described longitudinal stiffener 3 is 6 roads, and the described longitudinal stiffener 3 in 6 roads is separately fixed in the middle part of 6 sidewalls of outer steel pipe 1.During actual the use, the cross section of described outer steel pipe 1 also can be other regular polygon.
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 1.
As shown in Figure 8, in the present embodiment, as different from Example 1: the cross section of described outer steel pipe 1 is octagon, and the cross section of its China and foreign countries' steel pipe 1 inboard hollow bulb is the octagon hole, the cross-sectional area in and the cross-sectional area of the described outer steel pipe 1 of A1=+described octagon hole; The quantity of described longitudinal stiffener 3 is 8 roads, and the described longitudinal stiffener 3 in 8 roads is separately fixed in the middle part of 8 sidewalls of outer steel pipe 1.
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 1.
Embodiment 7
As shown in Figure 9, in the present embodiment, as different from Example 9: the quantity of described longitudinal stiffener 3 is 4 roads, and the described longitudinal stiffener 3 in 4 roads is separately fixed in the middle part of 4 sidewalls of outer steel pipe 1.
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 9.
Embodiment 8
In the present embodiment, as different from Example 1: every transverse width of described longitudinal stiffener 3 together is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
The aperture d2 of described circular port is
The external diameter of described interior steel pipe 2 is Φ 102mm, and the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 4mm, A1=4m
2
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 1.
Embodiment 9
In the present embodiment, as different from Example 1: every transverse width of described longitudinal stiffener 3 together is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
The aperture d2 of described circular port is
The external diameter of described interior steel pipe 2 is 1000mm, and the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 40mm, A1=8m
2
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 1.
Embodiment 10
In the present embodiment, as different from Example 1: every transverse width of described longitudinal stiffener 3 together is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
The aperture d2 of described circular port is
The external diameter of described interior steel pipe 2 is 2000mm, and the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 66mm, A1=10m
2
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 1.
Embodiment 11
In the present embodiment, as different from Example 1: every transverse width of described longitudinal stiffener 3 together is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
The aperture d2 of described circular port is
The external diameter of described interior steel pipe 2 is 2000mm, and the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 100mm, A1=10m
2
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 1.
The above; it is only preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection domain of technical solutions of the utility model.
Claims (10)
1. the SCS encased structures of the vertical reinforcing structure of the elongated laying in inside, it is characterized in that: comprise outer steel pipe (1), be set in the inner interior steel pipe (2) of outer steel pipe (1), be laid on outer steel pipe (1) inside wall multiple tracks longitudinal stiffener (3) and until the described longitudinal stiffener of multiple tracks (3) all lay complete after by the concrete structure (4) that is filled in the concreting moulding in cavity between outer steel pipe (1) and interior steel pipe (2), described interior steel pipe (2) is that round steel pipe and its are laid in the middle inside of outer steel pipe (1); Described outer steel pipe (1) and interior steel pipe (2) are coaxial laying, and the cloth set direction of the described longitudinal stiffener of multiple tracks (3) all central axial direction with described interior steel pipe (2) and outer steel pipe (1) is consistent, and the described longitudinal stiffener of multiple tracks (3) all is fastenedly connected with concrete structure (4) and is integrated; Described longitudinal stiffener (3) is strip steel floor, and the described longitudinal stiffener of multiple tracks (3) is laid along the circumferencial direction of interior steel pipe (2); The longitudinal length of described outer steel pipe (1), interior steel pipe (2) and the described longitudinal stiffener of multiple tracks (3) is all identical, the top of the top of described outer steel pipe (1) and the described longitudinal stiffener of multiple tracks (3) is all mutually concordant with the top of described interior steel pipe (2), and the bottom of the bottom of described outer steel pipe (1) and the described longitudinal stiffener of multiple tracks (3) is all mutually concordant with the bottom of described interior steel pipe (2); And every transverse width of described longitudinal stiffener (3) together is outside its installation position place spacing between steel pipe (1) and interior steel pipe (2)
2. according to the SCS encased structures of the vertical reinforcing structure of the elongated laying in a kind of inside claimed in claim 1, it is characterized in that: the middle part of described strip steel floor has a plurality of through holes (5) from top to bottom, and a plurality of described through hole (5) is laid on same straight line.
3. according to the SCS encased structures of the vertical reinforcing structure of the claim 1 or 2 elongated laying in described a kind of inside, it is characterized in that: the described longitudinal stiffener of multiple tracks (3) is evenly laid along the circumferencial direction of interior steel pipe (2).
4. according to the SCS encased structures of the vertical reinforcing structure of the claim 1 or 2 elongated laying in described a kind of inside, it is characterized in that: the external diameter of described interior steel pipe (2) is 102mm～Φ 2000mm, the wall thickness of described outer steel pipe (1) and interior steel pipe (2) is 4mm～100mm, and A1 ︰ A2=1 ︰ (0.6～0.8), A1=a1+b1 wherein, a1 is that cross-sectional area and the b1 of outer steel pipe (1) is the cross-sectional area of the inboard hollow bulb of outer steel pipe (1), A2=π r
2And r is the external diameter of interior steel pipe (2).
5. according to the SCS encased structures of the vertical reinforcing structure of the claim 1 or 2 elongated laying in described a kind of inside, it is characterized in that: every described longitudinal stiffener (3) together all is fixed on the inside wall of outer steel pipe (1) with welding manner, and described concrete structure (4) is carbon fiber reinforced concrete.
6. according to the SCS encased structures of the vertical reinforcing structure of the claim 1 or 2 elongated laying in described a kind of inside, it is characterized in that: the cross section of described outer steel pipe (1) is circle, rectangle or regular polygon.
7. according to the SCS encased structures of the vertical reinforcing structure of the claim 1 or 2 elongated laying in described a kind of inside, it is characterized in that: the quantity of described longitudinal stiffener (3) is 4 roads～8 roads.
8. according to the SCS encased structures of the vertical reinforcing structure of the elongated laying in a kind of inside claimed in claim 2, it is characterized in that: a plurality of described through holes (5) are even laying from top to bottom, and the structure of a plurality of described through hole (5) is all identical with size; On the described longitudinal stiffener of multiple tracks (3) the installation position of the quantity of the through hole of offering (5) and each through hole (5) all identical.
9. according to the SCS encased structures of the vertical reinforcing structure of the elongated laying in a kind of inside claimed in claim 8, it is characterized in that: comprise that also multiple tracks is laid in the stirrup (6) on the described longitudinal stiffener of multiple tracks (3) from top to bottom, the described stirrup of multiple tracks (6) is parallel laying, the quantity of the described stirrup of multiple tracks (6) is identical with the quantity of a plurality of described through holes (5), and the described stirrup of multiple tracks (6) passes in a plurality of described through hole (5) of opening on every described longitudinal stiffener (3) together respectively.
10. according to the SCS encased structures of the vertical reinforcing structure of the elongated laying in a kind of inside claimed in claim 2, it is characterized in that: the thickness of the described longitudinal stiffener of multiple tracks (3) is all identical, and the thickness of the described longitudinal stiffener of multiple tracks (3) is d1, d1≤D wherein, D is the wall thickness of outer steel pipe (1); The wall thickness of described outer steel pipe (1) is larger, and the thickness of the described longitudinal stiffener of multiple tracks (3) is all larger; Described through hole (5) is circular port, and the aperture of described circular port
Wherein d3 is the transverse width of described circular port longitudinal stiffener of living in (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735072 CN203008236U (en) | 2012-12-27 | 2012-12-27 | SCS (steel concrete structure) concrete-filled steel tube structure with vertical reinforcing structure in internal whole length |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735072 CN203008236U (en) | 2012-12-27 | 2012-12-27 | SCS (steel concrete structure) concrete-filled steel tube structure with vertical reinforcing structure in internal whole length |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979250A (en) * | 2012-12-27 | 2013-03-20 | 长安大学 | SCS (structure cabling system) encased structure based on longitudinal stiffening ribs |
| CN103541498A (en) * | 2013-09-23 | 2014-01-29 | 沈阳建筑大学 | Steel rib-steel tube fiber concrete combined column |
-
2012
- 2012-12-27 CN CN 201220735072 patent/CN203008236U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979250A (en) * | 2012-12-27 | 2013-03-20 | 长安大学 | SCS (structure cabling system) encased structure based on longitudinal stiffening ribs |
| CN103541498A (en) * | 2013-09-23 | 2014-01-29 | 沈阳建筑大学 | Steel rib-steel tube fiber concrete combined column |
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