CN102979180B - SCS (steel-tube concrete structure) with built-in shear nails - Google Patents
SCS (steel-tube concrete structure) with built-in shear nails Download PDFInfo
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- CN102979180B CN102979180B CN201210580378.4A CN201210580378A CN102979180B CN 102979180 B CN102979180 B CN 102979180B CN 201210580378 A CN201210580378 A CN 201210580378A CN 102979180 B CN102979180 B CN 102979180B
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Abstract
The invention discloses an SCS with built-in shear nails. The SCS comprises an outer steel tube, an inner steel tube, a shearing resistant structure and a concrete structure, wherein the outer steel tube and the inner steel tube are arranged coaxially; the outer steel tube is a first outer steel tube or a second outer steel tube, the cross section of the first outer steel tube is circular, and the cross section of the second steel tube is rectangular or square; the shearing resistant structure arranged on the inner side wall of the first outer steel pipe is a first shearing resistant structure, and the shearing resistant structure arranged on the inner side wall of the second outer steel pipe is a second shearing resistant structure; the first shearing resistant structure comprises a plurality of first shear nail assemblies arranged circumferentially; and the second shearing resistant structure comprises a plurality of shearing resistant units arranged on the inner side wall of the outer steel pipe respectively, and each shearing resistant unit comprises one or more shear nail unit(s). The SCS is simple in structure, reasonable in design, convenient in construction, low in construction cost, excellent in mechanical property, good in usage effect and capable of solving a plurality of problems in existing CSCs.
Description
Technical field
The present invention relates to a kind of encased structures, especially relate to a kind of in establish the SCS encased structures of WELDING STUDS.
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 defects such as current used encased structures ubiquity dead load is large, thus greatly limit the development and application of encased structures.
In addition, lay perforate stiffening rib (being called for short PBL stiffening rib) in steel pipe after, not only increase the compressive strength of core concrete, enhance the stability of steel pipe 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.But during actual use, there is direct relation the morning and evening of steel pipe flexing with the rigidity of PBL stiffening rib, thus wayward, and dead load is very large.
To sum up, existing encased structures ubiquity Railway Project: the first, outside steel pipe is more weak to concrete Confinement effect, easily cripling occurs, and steel pipe and concrete to form the globality of combining structure inadequate; The second, conduct oneself with dignity bigger than normal, limit physical dimension; Three, the fire resistance of steel is poor.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, there is provided a kind of in establish the SCS encased structures of WELDING STUDS, 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, between outside steel pipe and its inner concrete switching performance that effectively can solve that existing encased structures 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: the SCS encased structures establishing WELDING STUDS in a kind of, it is characterized in that: comprise outer steel pipe, be set in the interior steel pipe of outer steel duct, be laid in shear structure on outer steel pipe inside wall and after described shear structure has been laid by the concrete structure that the concreting be filled between outer steel pipe and interior steel pipe in cavity is shaping, described interior steel pipe is round steel pipe and it is laid in the middle inside of outer steel pipe, and described outer steel pipe and interior steel pipe are laid in coaxial; Described outer steel pipe is outer steel pipe one or outer steel pipe two, and the shape of cross section of described outer steel pipe one is circular, and the shape of cross section of described outer steel pipe two is rectangle or regular polygon; Shear structure set on described outer steel pipe one inside wall is shear structure one, and shear structure set on described outer steel pipe two inside wall is shear structure two; Described shear structure one comprises multiple WELDING STUDS group one be along the circumferential direction laid on described outer steel pipe inside wall, and the cloth set direction of multiple described WELDING STUDS group one is all consistent with the central axial direction of outer steel pipe and interior steel pipe; Described shear structure two comprises multiple shearing resistance unit be laid in respectively on the multiple inside wall of outer steel pipe, shearing resistance unit described in each includes a WELDING STUDS group two or multiple WELDING STUDS group two in parallel laying, the cloth set direction of described WELDING STUDS group two is consistent with the central axial direction of outer steel pipe and interior steel pipe, on each inside wall of described outer steel pipe, the quantity of set shearing resistance unit is not more than 1, and the total quantity of described shearing resistance unit is not more than the sidewall quantity of described outer steel pipe; WELDING STUDS group one described in each and WELDING STUDS group two described in each include multiple WELDING STUDS that the central axis along outer steel pipe is laid from top to bottom, WELDING STUDS described in each is all vertical runs with the central axis of outer steel pipe, and WELDING STUDS described in each is all vertical runs with the inside wall of steel pipe outside its installation position place; Described shear structure one and described shear structure two are all fastenedly connected with concrete structure and are integrated; Described outer steel pipe is all identical with the longitudinal length of interior steel pipe, and the top bottom homogeneous phase of the two is concordant.
Above-mentioned a kind of in establish the SCS encased structures of WELDING STUDS, it is characterized in that: the length of WELDING STUDS described in each is all less than the spacing outside its installation position place between steel pipe and interior steel pipe.
Above-mentioned a kind of in establish the SCS encased structures of WELDING STUDS, it is characterized in that: multiple described WELDING STUDS group one is evenly laid along the circumferencial direction of interior steel pipe; .
Above-mentioned a kind of in establish the SCS encased structures of WELDING STUDS, it is characterized in that: the external diameter of described interior steel pipe is Ф 102mm ~ Ф 2000mm, the wall thickness of described outer steel pipe and interior steel pipe is 4mm ~ 100mm, and A1 ︰ A2=1 ︰ (0.6 ~ 0.8), wherein A1=a1+b1, a1 is the cross-sectional area of outer steel pipe and b1 is the cross-sectional area of hollow bulb inside outer steel pipe, A2=π r
2and r is the external diameter of interior steel pipe.
Above-mentioned a kind of in establish the SCS encased structures of WELDING STUDS, it is characterized in that: described concrete structure is carbon fiber reinforced concrete.
Above-mentioned a kind of in establish the SCS encased structures of WELDING STUDS, it is characterized in that: multiple described WELDING STUDS is from top to bottom in evenly laying.
Above-mentioned a kind of in establish the SCS encased structures of WELDING STUDS, it is characterized in that: in multiple described WELDING STUDS group one, the structure of all WELDING STUDS is all identical with size, and in described shear structure two, the structure of all WELDING STUDS is all identical with size.
Above-mentioned a kind of in establish the SCS encased structures of WELDING STUDS, it is characterized in that: the quantity of multiple described WELDING STUDS group one is 4 ~ 12, in shearing resistance unit described in each, the quantity of included described WELDING STUDS group two is 1 ~ 4.
Above-mentioned a kind of in establish the SCS encased structures of WELDING STUDS, it is characterized in that: in multiple described WELDING STUDS group, the quantity of included WELDING STUDS is all identical with the installation position of each WELDING STUDS.
Above-mentioned a kind of in establish the SCS encased structures of WELDING STUDS, it is characterized in that: the length of WELDING STUDS described in each, to be outside its installation position place spacing between steel pipe and interior steel pipe
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 and result of use is good, the mechanical property of the SCS steel tube concrete column construction part of institute's construction molding is good and structure 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 encased structures from the defect such as great, it utilizes the larger sectional area of outer steel pipe to provide larger cross section antitorque with bending resistance moment of inertia, in utilizing, steel pipe effectively reduces volume of concrete to alleviate deadweight, and sandwich concrete is in three dimension stress state and outer and inner tube is linked to be entirety.Thus, the present invention can give full play to the form that Concrete-filled tubular connections 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 steel pipe 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 in utilizing, the effective volume of concrete of steel pipe alleviates the object of deadweight.
4, the concrete poured into a mould between outer and inner 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.With all fill up compared with concrete encased structures in interior steel duct and the space that formed between interior steel pipe with outer steel pipe, the present invention can make full use of the intensity of built-in round steel pipe.
5, the WELDING STUDS group adopted plays reinforcement Confinement effect to whole encased structures, effectively can prevent the cripling of outer steel pipe, namely prevent outer steel pipe and concrete from departing from, WELDING STUDS is welded on outer steel pipe and buried to enter to build shaping concrete structure inner, and thus risen shearing resistance effect clearly.That is, the WELDING STUDS group adopted effectively can strengthen the lateral stability of outer steel pipe, and corresponding significantly enhancing structure shear resistance, each ingredient of whole encased structures is closely linked to be whole simultaneously.Set WELDING STUDS group not only increases the compressive strength of core concrete, strengthens the stability of tube wall; WELDING STUDS group also act as the effect of shear key simultaneously, 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, between outside steel pipe and its inner concrete switching performance that effectively can solve that existing encased structures 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 the structural representation of the embodiment of the present invention 1.
Fig. 2 is the internal construction schematic diagram of the embodiment of the present invention 1.
Fig. 3 is the laying view of WELDING STUDS group one in the embodiment of the present invention 1.
Fig. 4 is the laying view of WELDING STUDS group one in the embodiment of the present invention 2.
Fig. 5 is the laying view of WELDING STUDS group one in the embodiment of the present invention 3.
Fig. 6 is the structural representation of the embodiment of the present invention 8.
Fig. 7 is the internal construction schematic diagram of the embodiment of the present invention 8.
Fig. 8 is the laying view of WELDING STUDS group two in the embodiment of the present invention 8.
Fig. 9 is the laying view of WELDING STUDS group two in the embodiment of the present invention 9.
Figure 10 is the laying view of WELDING STUDS group two in the embodiment of the present invention 10.
Figure 11 is the laying view of WELDING STUDS group two in the embodiment of the present invention 15.
Figure 12 is the laying view of WELDING STUDS group two in the embodiment of the present invention 16.
Figure 13 is the laying view of WELDING STUDS group two in the embodiment of the present invention 17.
Figure 14 is the laying view of WELDING STUDS group two in the utility model embodiment 18.
Description of reference numerals:
1-outer steel pipe; 2-interior steel pipe; 3-WELDING STUDS;
4-concrete structure.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, the present invention includes outer steel pipe 1, be set in the interior steel pipe 2 of outer steel pipe 1 inside, be laid in shear structure on outer steel pipe 1 inside wall and after described shear structure has been laid by the concrete structure 4 that the concreting be filled between outer steel pipe 1 and interior steel pipe 2 in cavity is shaping, described interior steel pipe 2 is round steel pipe and it is laid in the middle inside of outer steel pipe 1, and described outer steel pipe 1 and interior steel pipe 2 are laid in coaxial.Described outer steel pipe 1 is outer steel pipe one, and the shape of cross section of described outer steel pipe one is circular, and shear structure set on described outer steel pipe one inside wall is shear structure one.Described shear structure one comprises multiple WELDING STUDS group one be along the circumferential direction laid on described outer steel pipe 1 inside wall, and the cloth set direction of multiple described WELDING STUDS group one is all consistent with the central axial direction of outer steel pipe 1 and interior steel pipe 2.WELDING STUDS group one described in each includes multiple WELDING STUDS 3 that the central axis along outer steel pipe 1 is laid from top to bottom, WELDING STUDS 3 described in each is all vertical runs with the central axis of outer steel pipe 1, and WELDING STUDS 3 described in each is all vertical runs with the inside wall of steel pipe 1 outside its installation position place.Described shear structure one is fastenedly connected with concrete structure 4 and is integrated.Described outer steel pipe 1 is all identical with the longitudinal length of interior steel pipe 2, and the top bottom homogeneous phase of the two is concordant.
Actually add man-hour, the length of WELDING STUDS 3 described in each is all less than the spacing outside its installation position place between steel pipe 1 and interior steel pipe 2.Specifically add man-hour, the length of WELDING STUDS 3 described in each, to be outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
In the present embodiment, the length of WELDING STUDS 3 described in each, to be outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
In the present embodiment, multiple described WELDING STUDS group one is evenly laid along the circumferencial direction of interior steel pipe 2.
In multiple described WELDING STUDS group one, the structure of all WELDING STUDS 3 is all identical with size, and in described shear structure two, the structure of all WELDING STUDS 3 is all identical with size.The quantity of multiple described WELDING STUDS group one is 4 ~ 12, and multiple described WELDING STUDS 3 is from top to bottom in evenly laying; And the quantity of included WELDING STUDS 3 is all identical with the installation position of each WELDING STUDS 3 in multiple described WELDING STUDS group.
In the present embodiment, the quantity of multiple described WELDING STUDS group one is 12.
Actually add man-hour, can according to specific needs, the quantity of multiple described WELDING STUDS group one be adjusted accordingly in the scope of 4 ~ 12.
In the present embodiment, the diameter of described WELDING STUDS 3 is 12mm ~ 24mm.WELDING STUDS 3 described in each is all fixed on welding manner on the inside wall of outer steel pipe 1.
Actually add man-hour, the external diameter of described interior steel pipe 2 is Ф 102mm ~ Ф 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), wherein A1=a1+b1, a1 is the cross-sectional area of outer steel pipe 1 and b1 is the cross-sectional area of hollow bulb inside outer steel pipe 1, 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 Ф 200mm and its wall thickness is 15mm.During actual use, according to specific needs, the external diameter of described interior steel pipe 2 can be adjusted accordingly in the scope of Ф 102mm ~ Ф 2000mm, and the wall thickness of interior steel pipe 2 is adjusted accordingly in the scope of 4mm ~ 100mm.
In the present embodiment, A1 ︰ A2=1 ︰ 0.7.During actual use, can according to specific needs, the ratio value of A1 ︰ A2 be 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, the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is all preferably 18mm ~ 25mm, and A1 is preferably 4m
2~ 10m
2.
In the present embodiment, the wall thickness of described outer steel pipe 1 is 20mm, A1=π R
2=6m
2, wherein R is the external diameter of outer steel pipe 1.Actual when using, can according to specific needs by A1 at 4m
2~ 10m
2scope in adjust accordingly, and the wall thickness of outer steel pipe 1 to be adjusted accordingly in the scope of 4mm ~ 100mm.
During practice of construction, when constructed encased structures is for the field such as building construction, bridge, the wall thickness of described interior steel pipe 2 and outer steel pipe 1 preferably adjusts accordingly in the scope of 4mm ~ 66mm.When constructed encased structures is for ocean platform, the wall thickness of described interior steel pipe 2 and outer steel pipe 1 preferably adjusts accordingly in the scope of 12mm ~ 100mm.
Embodiment 2
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, and A1 ︰ A2=1 ︰ 0.6, the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=10m
2; The quantity of multiple described WELDING STUDS group one is 6.
In the present embodiment, the structure of remainder is all identical with embodiment 1 with annexation.
Embodiment 3
As shown in Figure 5, 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, the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=10m
2, inside its China and foreign countries' steel pipe 1, the cross section of hollow bulb is regular hexagon hole, and the cross-sectional area in the cross-sectional area of outer steel pipe 1 described in A1=+described regular hexagon hole; The quantity of multiple described WELDING STUDS group one is 4.
In the present embodiment, the structure of remainder is all identical with embodiment 1 with annexation.
Embodiment 4
In the present embodiment, as different from Example 1: the length of WELDING STUDS 3 described in each, spacing between steel pipe 1 and interior steel pipe 2 is outside its installation position place
the external diameter of described interior steel pipe 2 is 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 is all identical with embodiment 1 with annexation.
Embodiment 5
In the present embodiment, as different from Example 1: the length of WELDING STUDS 3 described in each, spacing between steel pipe 1 and interior steel pipe 2 is outside its installation position place
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 is all identical with embodiment 1 with annexation.
Embodiment 6
In the present embodiment, as different from Example 1: the length of WELDING STUDS 3 described in each, spacing between steel pipe 1 and interior steel pipe 2 is outside its installation position place
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 is all identical with embodiment 1 with annexation.
Embodiment 7
In the present embodiment, as different from Example 1: the length of WELDING STUDS 3 described in each, spacing between steel pipe 1 and interior steel pipe 2 is outside its installation position place
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 is all identical with embodiment 1 with annexation.
Embodiment 8
As shown in Fig. 6, Fig. 7 and Fig. 8, in the present embodiment, as different from Example 1: described outer steel pipe 1 is outer steel pipe two, and the cross section of described outer steel pipe two be square; And shear structure set on described outer steel pipe two inside wall is shear structure two; Described shear structure two comprises multiple shearing resistance unit be laid in respectively on outer steel pipe more than 1 inside wall, shearing resistance unit described in each includes a WELDING STUDS group two or multiple WELDING STUDS group two in parallel laying, the cloth set direction of described WELDING STUDS group two is consistent with the central axial direction of outer steel pipe 1 and interior steel pipe 2, and shearing resistance unit described in each is all with it, and inside wall of residing outer steel pipe 1 is vertical runs, on each inside wall of described outer steel pipe 1, the quantity of set shearing resistance unit is not more than 1, and the total quantity of described shearing resistance unit is not more than the sidewall quantity of outer steel pipe 1; WELDING STUDS group two described in each includes multiple WELDING STUDS 3 that the central axis along outer steel pipe 1 is laid from top to bottom, WELDING STUDS 3 described in each is all vertical runs with the central axis of outer steel pipe 1, and WELDING STUDS 3 described in each is all vertical runs with the inside wall of steel pipe 1 outside its installation position place; Described shear structure two is fastenedly connected with concrete structure 4 and is integrated; Described outer steel pipe 1 is all identical with the longitudinal length of interior steel pipe 2, and the top bottom homogeneous phase of the two is concordant; In shearing resistance unit described in each, the quantity of included described WELDING STUDS group two is 1 ~ 4; Shearing resistance unit described in each is all laid in the middle part of each inside wall of described outer steel pipe 1.
In the present embodiment, A1 ︰ A2=1 ︰ 0.8, the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=D
2=10m
2; Wherein D is the lateral wall length of side of described outer steel pipe 1.The quantity of described shearing resistance unit is 4, and in shearing resistance unit described in each, the quantity of included described WELDING STUDS group two is 3.During actual use, the cross section of described outer steel pipe 1 also can be rectangle or other regular polygon.
In the present embodiment, the structure of remainder is all identical with embodiment 1 with annexation.
Embodiment 9
As shown in Figure 9, in the present embodiment, as different from Example 8: in shearing resistance unit described in each, the quantity of included described WELDING STUDS group two is 4; A1 ︰ A2=1 ︰ 0.6, the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=10m
2.
In the present embodiment, the structure of remainder is all identical with embodiment 8 with annexation.
Embodiment 10
As shown in Figure 10, in the present embodiment, as different from Example 8: the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=10m
2, A1 ︰ A2=1 ︰ 0.8, in shearing resistance unit described in each, the quantity of included described WELDING STUDS group two is 2.
In the present embodiment, the structure of remainder is all identical with embodiment 8 with annexation.
Embodiment 11
In the present embodiment, as different from Example 8: the length of WELDING STUDS 3 described in each, spacing between steel pipe 1 and interior steel pipe 2 is outside its installation position place
the external diameter of described interior steel pipe 2 is 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 is all identical with embodiment 8 with annexation.
Embodiment 12
In the present embodiment, as different from Example 8: the length of WELDING STUDS 3 described in each, spacing between steel pipe 1 and interior steel pipe 2 is outside its installation position place
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 is all identical with embodiment 8 with annexation.
Embodiment 13
In the present embodiment, as different from Example 8: the length of WELDING STUDS 3 described in each, spacing between steel pipe 1 and interior steel pipe 2 is outside its installation position place
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=0m
2.
In the present embodiment, the structure of remainder is all identical with embodiment 8 with annexation.
Embodiment 14
In the present embodiment, as different from Example 8: the length of WELDING STUDS 3 described in each, spacing between steel pipe 1 and interior steel pipe 2 is outside its installation position place
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=0m
2.
In the present embodiment, the structure of remainder is all identical with embodiment 8 with annexation.
Embodiment 15
As shown in figure 11, in the present embodiment, as different from Example 8: the cross section of described outer steel pipe 1 is positive ten hexagons; The quantity of described shearing resistance unit is 16, and in shearing resistance unit described in each, the quantity of included described WELDING STUDS group two is 1, and WELDING STUDS group two described in each is all fixed in the middle part of each sidewall of outer steel pipe 1.
In the present embodiment, the structure of remainder is all identical with embodiment 8 with annexation.
Embodiment 16
As shown in figure 12, in the present embodiment, as different from Example 8: the cross section of described outer steel pipe 1 is regular hexagon, A1 ︰ A2=1 ︰ 0.8, the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=10m
2, inside its China and foreign countries' steel pipe 1, the cross section of hollow bulb is regular hexagon hole, and the cross-sectional area in the cross-sectional area of outer steel pipe 1 described in A1=+described regular hexagon hole; The quantity of described shearing resistance unit is 6, and in shearing resistance unit described in each, the quantity of included described WELDING STUDS group two is 1, and WELDING STUDS group two described in each is all fixed in the middle part of each sidewall of outer steel pipe 1.
In the present embodiment, the structure of remainder is all identical with embodiment 8 with annexation.
Embodiment 17
As shown in figure 13, in the present embodiment, as different from Example 8: the cross section of described outer steel pipe 1 is octagon, A1 ︰ A2=1 ︰ 0.8, the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=10m
2, inside its China and foreign countries' steel pipe 1, the cross section of hollow bulb is octagon hole, and the cross-sectional area in the cross-sectional area of outer steel pipe 1 described in A1=+described octagon hole; The quantity of described shearing resistance unit is 8, and in shearing resistance unit described in each, the quantity of included described WELDING STUDS group two is 1, and WELDING STUDS group two described in each is all fixed in the middle part of each sidewall of outer steel pipe 1.
In the present embodiment, the structure of remainder is all identical with embodiment 8 with annexation.
Embodiment 18
As shown in figure 14, in the present embodiment, as different from Example 17: the quantity of described shearing resistance unit is 4, and in shearing resistance unit described in each, the quantity of included described WELDING STUDS group two is 1, and WELDING STUDS group two described in each is all fixed in the middle part of each sidewall of outer steel pipe 1.
In the present embodiment, the structure of remainder is all identical with embodiment 17 with annexation.
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 (7)
1. establish the SCS encased structures of WELDING STUDS in one kind, it is characterized in that: comprise outer steel pipe (1), be set in the interior steel pipe (2) that outer steel pipe (1) is inner, be laid in shear structure on outer steel pipe (1) inside wall and after described shear structure has been laid by the concrete structure (4) that the concreting be filled between outer steel pipe (1) and interior steel pipe (2) in cavity is shaping, described interior steel pipe (2) is for round steel pipe and it is laid in the middle inside of outer steel pipe (1), described outer steel pipe (1) and interior steel pipe (2) are laid in coaxial, described outer steel pipe (1) is outer steel pipe one or outer steel pipe two, and the shape of cross section of described outer steel pipe one is circular, and the shape of cross section of described outer steel pipe two is rectangle or regular polygon, shear structure set on described outer steel pipe one inside wall is shear structure one, and shear structure set on described outer steel pipe two inside wall is shear structure two, described shear structure one comprises multiple WELDING STUDS group one be along the circumferential direction laid on described outer steel pipe (1) inside wall, and the cloth set direction of multiple described WELDING STUDS group one is all consistent with the central axial direction of outer steel pipe (1) and interior steel pipe (2), described shear structure two comprises multiple shearing resistance unit be laid in respectively on outer steel pipe (1) multiple inside wall, shearing resistance unit described in each includes a WELDING STUDS group two or multiple WELDING STUDS group two in parallel laying, the cloth set direction of described WELDING STUDS group two is consistent with the central axial direction of outer steel pipe (1) and interior steel pipe (2), on each inside wall of described outer steel pipe (1), the quantity of set shearing resistance unit is not more than 1, and the total quantity of described shearing resistance unit is not more than the sidewall quantity of described outer steel pipe (1), WELDING STUDS group one described in each and WELDING STUDS group two described in each include multiple WELDING STUDS (3) that the central axis along outer steel pipe (1) is laid from top to bottom, WELDING STUDS described in each (3) is all vertical runs with the central axis of outer steel pipe (1), and WELDING STUDS described in each (3) is all vertical runs with the inside wall of steel pipe (1) outside its installation position place, described shear structure one and described shear structure two are all fastenedly connected with concrete structure (4) and are integrated, described outer steel pipe (1) is all identical with the longitudinal length of interior steel pipe (2), and the top bottom homogeneous phase of the two is concordant, multiple described WELDING STUDS (3) is from top to bottom in evenly laying, the length of WELDING STUDS described in each (3) is all less than the spacing outside its installation position place between steel pipe (1) and interior steel pipe (2), the length of WELDING STUDS described in each (3), to be outside its installation position place spacing between steel pipe (1) and interior steel pipe (2)
2. according to according to claim 1 a kind of in establish the SCS encased structures of WELDING STUDS, it is characterized in that: multiple described WELDING STUDS group one is evenly laid along the circumferencial direction of interior steel pipe (2).
3. according to the SCS encased structures establishing WELDING STUDS in a kind of described in claim 1 or 2, it is characterized in that: the external diameter of described interior steel pipe (2) is Φ 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), wherein A1=a1+b1, a1 is the cross-sectional area of outer steel pipe (1) and b1 is the cross-sectional area of outer steel pipe (1) inner side hollow bulb, A2=π r
2and r is the external diameter of interior steel pipe (2).
4., according to the SCS encased structures establishing WELDING STUDS in a kind of described in claim 1 or 2, it is characterized in that: described concrete structure (4) is carbon fiber reinforced concrete.
5. according to the SCS encased structures establishing WELDING STUDS in a kind of described in claim 1 or 2, it is characterized in that: in multiple described WELDING STUDS group one, the structure of all WELDING STUDS (3) is all identical with size, and in described shear structure two, the structure of all WELDING STUDS (3) is all identical with size.
6. according to the SCS encased structures establishing WELDING STUDS in a kind of described in claim 1 or 2, it is characterized in that: the quantity of multiple described WELDING STUDS group one is 4 ~ 12, in shearing resistance unit described in each, the quantity of included described WELDING STUDS group two is 1 ~ 4.
7. according to the SCS encased structures establishing WELDING STUDS in a kind of described in claim 1 or 2, it is characterized in that: in multiple described WELDING STUDS group, the quantity of included WELDING STUDS (3) is all identical with the installation position of each WELDING STUDS (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210580378.4A CN102979180B (en) | 2012-12-27 | 2012-12-27 | SCS (steel-tube concrete structure) with built-in shear nails |
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| CN201210580378.4A CN102979180B (en) | 2012-12-27 | 2012-12-27 | SCS (steel-tube concrete structure) with built-in shear nails |
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| CN102979180A CN102979180A (en) | 2013-03-20 |
| CN102979180B true CN102979180B (en) | 2015-06-24 |
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| CN105064578A (en) * | 2015-08-12 | 2015-11-18 | 广东省建筑设计研究院 | Full-web type steel box transfer beam and connecting structure of full-web type steel box transfer beam and reinforced concrete shear wall |
| CN112030727A (en) * | 2020-08-26 | 2020-12-04 | 绍兴文理学院 | Assembled prefabricated steel-concrete combined pier and construction method thereof |
| CN112267743A (en) * | 2020-09-24 | 2021-01-26 | 惠州富盈新材料科技有限公司 | Non-prestressed stainless steel pipe-ultra-high performance concrete composite electric pole and preparation method thereof |
| CN112252807A (en) * | 2020-09-24 | 2021-01-22 | 惠州富盈新材料科技有限公司 | Non-prestressed stainless steel tube-concrete composite electric pole and preparation method thereof |
| CN112282482A (en) * | 2020-09-24 | 2021-01-29 | 惠州富盈新材料科技有限公司 | Non-prestressed stainless steel tube-concrete composite electric pole and preparation method thereof |
| CN112267747A (en) * | 2020-09-24 | 2021-01-26 | 惠州富盈新材料科技有限公司 | Non-prestressed stainless steel pipe-ultra-high performance concrete composite electric pole and preparation method thereof |
| CN114263274B (en) * | 2021-12-31 | 2023-09-22 | 福州大学 | Novel hollow interlayer steel pipe concrete member and connecting method thereof |
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| JP3759665B2 (en) * | 1997-06-26 | 2006-03-29 | 新日本製鐵株式会社 | Corner joints between reinforcing bars or steel reinforced concrete structures and various columnar structures and joining methods thereof |
| JP3854194B2 (en) * | 2002-05-27 | 2006-12-06 | 新日本製鐵株式会社 | High-strength bolt joint structure and high-strength anchor bolts for concrete-filled steel pipe columns and H-shaped cross-section beams |
| CN201648950U (en) * | 2010-05-11 | 2010-11-24 | 天津市市政工程设计研究院 | Novel beam structure of steel-concrete combination section |
| CN201924456U (en) * | 2010-12-09 | 2011-08-10 | 华东建筑设计研究院有限公司 | Steel-pipe concrete column joint for reinforced layer |
| CN102094386A (en) * | 2011-03-30 | 2011-06-15 | 长安大学 | PBL (perfobond leiste) shear connector stiffened steel pipe concrete arch |
| CN203065954U (en) * | 2012-12-27 | 2013-07-17 | 长安大学 | SCS concrete filled steel tube structure with shearing-resistant function |
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Inventor after: Gao Xiaoyu Inventor after: Li Bo Inventor after: Wang Yong Inventor after: Yang Guanghui Inventor after: Li Zhaoyang Inventor after: Wang Xu Inventor after: Shu Tao Inventor after: Liu Yongjian Inventor after: Fan Xiaolin Inventor after: Huang Yuechao Inventor after: Han Xiaoyu Inventor before: Yang Guanghui Inventor before: Wang Xu Inventor before: Gao Xiaoyu Inventor before: Liu Yongjian Inventor before: Fan Xiaolin Inventor before: Huang Yuechao Inventor before: Han Xiaoyu Inventor before: Li Bo Inventor before: Wang Yong |
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Free format text: CORRECT: INVENTOR; FROM: YANG GUANGHUI WANG XU GAO XIAOYU LIU YONGJIAN FAN XIAOLIN HUANG YUECHAO HAN XIAOYU LI BO WANG YONG TO: GAO XIAOYU YANG GUANGHUI LI ZHAOYANG WANG XU SHU TAO LIU YONGJIAN FAN XIAOLIN HUANG YUECHAO HAN XIAOYU LI BO WANG YONG |
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Granted publication date: 20150624 Termination date: 20161227 |