CN203007823U - SCS steel tube concrete pier with shear resisting structures arranged on upper end and lower end - Google Patents
SCS steel tube concrete pier with shear resisting structures arranged on upper end and lower end Download PDFInfo
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- CN203007823U CN203007823U CN 201220734704 CN201220734704U CN203007823U CN 203007823 U CN203007823 U CN 203007823U CN 201220734704 CN201220734704 CN 201220734704 CN 201220734704 U CN201220734704 U CN 201220734704U CN 203007823 U CN203007823 U CN 203007823U
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Abstract
The utility model discloses an SCS steel tube concrete pier with shear resisting structures arranged at an upper end and a lower end. The SCS steel tube concrete pier with the shear resisting structures arranged at the upper end and the lower end comprises an outer steel pipe, an inner steel pipe sleeved inside the outer steel pipe, a top shear resisting structure distributed between the top end of the outer steel pipe and the top end of the inner steel pipe, a bottom shear resisting structure distributed between the bottom end of the outer steel pipe and the bottom end of the inner steel pipe and a concrete construction, wherein the concrete construction is poured and formed by the concrete filled in the cavity between the outer steel pipe and the inner steel pipe after the top shear resisting structure and the bottom shear resisting structure are both distributed. The inner steel pipe is a circular steel pipe. The outer steel pipe and the inner steel pipe are coaxially arranged. The outer steel pipe is an outer steel pipe I or an outer steel pipe II, the cross section of the steel pipe I is circular, and the cross section of the steel pipe II is rectangular or equilateral polygonal. The SCS steel tube concrete pier with the shear resisting structures arranged at the upper end and the lower end is simple in structure, reasonable in design, convenient to construct and low in construction cost, good in mechanical property, and good in using effect, and can effectively solve a plurality of problems existing in an existing steel tube concrete pier.
Description
Technical field
The utility model relates to a kind of concrete pier of steel tube, especially relates to the SCS concrete pier of steel tube that a kind of upper and lower side is provided with shear structure.
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 good mechanical property is arranged.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 and three kinds of section forms of rectangle.But, the present large defective of encased structures ubiquity dead load of using, thereby limited to a great extent the development and application of encased structures.
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 the deadweight of the concrete pier of steel tube of institute's construction molding is very large.
In addition, owing to standing dynamic loading throughout the year, the top of bridge pier and bottom are suffered to have the greatest impact, and the cripling of steel pipe very easily occurs, and finally causes the destruction of bridge pier structure.And the middle part of bridge pier structure stability better, is difficult for occuring cripling.
To sum up, need the nowadays structure of the concrete pier of steel tube that adopts is carried out corresponding improvement.
The utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, the SCS concrete pier of steel tube that provides a kind of upper and lower side to be provided with shear structure, 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 concrete pier of steel tube exists is poor, outside steel pipe is little to the concrete cuff effect in inside, the problems such as curvature easily occur upper and lower end parts.
for solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of upper and lower side is provided with the SCS concrete pier of steel tube of shear structure, it is characterized in that: comprise outer steel pipe, be set in the interior steel pipe of outer steel duct, be laid in the top shear structure between outer steel pipe top and interior steel pipe top, be laid between outer steel pipe bottom and interior steel pipe bottom the bottom shear structure and until described top shear structure and described bottom shear structure 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, 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, top shear structure and bottom shear structure set on described outer steel pipe one inside wall are respectively top shear structure one and bottom shear structure one, and on described outer steel pipe two inside walls, set top shear structure and bottom shear structure is respectively top shear structure two and bottom shear structure two,
Described top shear structure one comprises a plurality of top WELDING STUDS groups one that along the circumferential direction are laid on described outer steel pipe inside wall, and the cloth set direction of a plurality of described tops WELDING STUDS group one all the central axial direction with outer steel pipe and interior steel pipe is consistent; Described bottom shear structure one comprises a plurality of bottom WELDING STUDS groups one that along the circumferential direction are laid on described outer steel pipe inside wall, and the cloth set direction of a plurality of described bottoms WELDING STUDS group one all the central axial direction with outer steel pipe and interior steel pipe is consistent;
Described top shear structure two comprises a plurality of shearing resistance unit, top that are laid in respectively on a plurality of inside walls of outer steel pipe, each shearing resistance unit, described top includes a top WELDING STUDS group two or a plurality of top WELDING STUDS group two that is parallel laying, the cloth set direction of described top WELDING STUDS group two is consistent with the central axial direction of outer steel pipe and interior steel pipe, on described each inside wall of outer steel pipe, the quantity of shearing resistance unit, set top is not more than 1, and the total quantity of shearing resistance unit, described top is not more than the sidewall quantity of outer steel pipe; Described bottom shear structure two comprises a plurality of shearing resistance unit, bottom that are laid in respectively on each inside wall of outer steel pipe, each shearing resistance unit, described bottom includes a bottom WELDING STUDS group two or a plurality of bottom WELDING STUDS group two that is parallel laying, the cloth set direction of described bottom WELDING STUDS group two is consistent with the central axial direction of outer steel pipe and interior steel pipe, on described each inside wall of outer steel pipe, the quantity of shearing resistance unit, set bottom is not more than 1, and the total quantity of shearing resistance unit, described bottom is not more than the sidewall quantity of outer steel pipe; Each shearing resistance unit, described top and each shearing resistance unit, described bottom all are laid in the middle part of each inside wall of described outer steel pipe;
Each described top WELDING STUDS group one, each described bottom WELDING STUDS group one, each described top WELDING STUDS group two and each described bottom WELDING STUDS group two include a plurality of WELDING STUDS of laying along the central axis of outer steel pipe from top to bottom, each described WELDING STUDS all is vertical laying with the central axis of outer steel pipe, and each described WELDING STUDS all with its installation position place outside the inside wall of steel pipe be vertical laying;
Described top shear structure one, described bottom shear structure one, described top shear structure two and described bottom shear structure two all are fastenedly connected with concrete structure and are integrated; The longitudinal length of described outer steel pipe and interior steel pipe is all identical, and top bottom homogeneous phase both is concordant.
Above-mentioned a kind of upper and lower side is provided with the SCS concrete pier of steel tube of shear structure, it is characterized in that: the length of each described WELDING STUDS is all less than the spacing between steel pipe outside its installation position place and interior steel pipe.
Above-mentioned a kind of upper and lower side is provided with the SCS concrete pier of steel tube of shear structure, 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～66mm, 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.
Above-mentioned a kind of upper and lower side is provided with the SCS concrete pier of steel tube of shear structure, it is characterized in that: in a plurality of described top WELDING STUDS groups one and a plurality of described bottoms WELDING STUDS group one, structure and the size of the quantity of included WELDING STUDS and each WELDING STUDS are all identical, and in a plurality of described top WELDING STUDS groups two and a plurality of described bottoms WELDING STUDS group two, structure and the size of the quantity of included WELDING STUDS and each WELDING STUDS one are all identical.
Above-mentioned a kind of upper and lower side is provided with the SCS concrete pier of steel tube of shear structure, it is characterized in that: a plurality of described top WELDING STUDS groups one and a plurality of described bottoms WELDING STUDS group one are all laid along the circumferencial direction of interior steel pipe; In the shear structure one of described top, the quantity of included described top WELDING STUDS group one is identical with the quantity of included described bottom WELDING STUDS group one in the shear structure one of described bottom, and a plurality of described bottoms WELDING STUDS group one be laid in respectively a plurality of described tops WELDING STUDS group one under; In the shear structure two of described top, the quantity of included described top WELDING STUDS group two is identical with the quantity of included described bottom WELDING STUDS group two in the shear structure two of described bottom, and a plurality of described bottoms WELDING STUDS group two be laid in respectively a plurality of described tops WELDING STUDS group two under.
Above-mentioned a kind of upper and lower side is provided with the SCS concrete pier of steel tube of shear structure, it is characterized in that: a plurality of described WELDING STUDS are even laying from top to bottom.
Above-mentioned a kind of upper and lower side is provided with the SCS concrete pier of steel tube of shear structure, it is characterized in that: the length of each described WELDING STUDS is outside its installation position place spacing between steel pipe and interior steel pipe
Above-mentioned a kind of upper and lower side is provided with the SCS concrete pier of steel tube of shear structure, it is characterized in that: the longitudinal length of described top shear structure one, described bottom shear structure one, described top shear structure two and described bottom shear structure two is 1m～1.5m.
Above-mentioned a kind of upper and lower side is provided with the SCS concrete pier of steel tube of shear structure, it is characterized in that: in described top shear structure one in the quantity of included top WELDING STUDS group one and described bottom shear structure one quantity of included bottom WELDING STUDS group one be 4～12, in each shearing resistance unit, described top in the quantity of included top WELDING STUDS group two and each shearing resistance unit, described bottom the quantity of included bottom WELDING STUDS group two be 1～4.
Above-mentioned a kind of upper and lower side is provided with the SCS concrete pier of steel tube of shear structure, it is characterized in that: described concrete structure is carbon fiber reinforced concrete.
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.
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, the WELDING STUDS group that adopts plays whole encased structures and strengthens the cuff effect, can effectively prevent the cripling of outer steel pipe, prevent that namely outer steel pipe and concrete break away from, WELDING STUDS is welded on outer steel pipe and the buried concrete structure inside that enters to build moulding, thereby the shearing resistance effect that is play is very obvious.That is to say, the WELDING STUDS group that adopts can effectively strengthen the lateral stability of outer steel pipe, and the corresponding structure shear resistance that significantly strengthens, and each ingredient with whole encased structures closely is linked to be whole simultaneously.Set WELDING STUDS group has not only improved the compressive strength of core concrete, strengthens the stability of tube wall; The effect that while WELDING STUDS group has also been served as shear key makes steel pipe and concrete be linked to be integral body, has improved the compound action of Steel concrete.
The lateral stability of the utility model steel pipe outside the upper and lower end parts of bridge pier is utilized the enhancing of WELDING STUDS group, and the corresponding structure shear resistance that significantly strengthens, each ingredient with whole concrete pier of steel tube closely is linked to be integral body simultaneously.Set shear structure 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 concrete pier of steel tube exists is poor, outside steel pipe is little to the concrete cuff effect in inside, the various problems such as curvature easily occur upper and lower end parts.
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 laying view of top WELDING STUDS group one and bottom WELDING STUDS group one in the utility model embodiment 1.
Fig. 4 is the laying view of top WELDING STUDS group one and bottom WELDING STUDS group one in the utility model embodiment 2.
Fig. 5 is the laying view of top WELDING STUDS group one and bottom WELDING STUDS group one in the utility model embodiment 3.
Fig. 6 is the structural representation of the utility model embodiment 8.
Fig. 7 is the internal construction schematic diagram of the utility model embodiment 8.
Fig. 8 is the laying view of top WELDING STUDS group two and bottom WELDING STUDS group two in the utility model embodiment 8.
Fig. 9 is the laying view of top WELDING STUDS group two and bottom WELDING STUDS group two in the utility model embodiment 9.
Figure 10 is the laying view of top WELDING STUDS group two and bottom WELDING STUDS group two in the utility model embodiment 10.
Figure 11 is the laying view of top WELDING STUDS group two and bottom WELDING STUDS group two in the utility model embodiment 15.
Figure 12 is the laying view of top WELDING STUDS group two and bottom WELDING STUDS group two in the utility model embodiment 16.
Figure 13 is the laying view of top WELDING STUDS group two and bottom WELDING STUDS group two in the utility model embodiment 17.
Figure 14 is the laying view of top WELDING STUDS group two and bottom WELDING STUDS group two in the utility model embodiment 16.
Description of reference numerals:
1-outer steel pipe; 2-interior steel pipe; 3-WELDING STUDS;
4-concrete structure.
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 in top shear structure between outer steel pipe 1 top and interior steel pipe 2 tops, be laid between outer steel pipe 1 bottom and interior steel pipe 2 bottoms the bottom shear structure and until described top shear structure and described bottom shear structure 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.Described outer steel pipe 1 is outer steel pipe one, and the shape of cross section of described outer steel pipe one is circular; Top shear structure and bottom shear structure set on described outer steel pipe one inside wall are respectively top shear structure one and bottom shear structure one.
Described top shear structure one comprises a plurality of top WELDING STUDS groups one that along the circumferential direction are laid on described outer steel pipe 1 inside wall, and the cloth set direction of a plurality of described tops WELDING STUDS group one all the central axial direction with outer steel pipe 1 and interior steel pipe 2 is consistent; Described bottom shear structure one comprises a plurality of bottom WELDING STUDS groups one that along the circumferential direction are laid on described outer steel pipe 1 inside wall, and the cloth set direction of a plurality of described bottoms WELDING STUDS group one all the central axial direction with outer steel pipe 1 and interior steel pipe 2 is consistent.
Each described top WELDING STUDS group one and each described bottom WELDING STUDS group one include a plurality of WELDING STUDS 3 of laying along the central axis of outer steel pipe 1 from top to bottom, each described WELDING STUDS 3 all is vertical laying with the central axis of outer steel pipe 1, and each described WELDING STUDS 3 all with its installation position place outside the inside wall of steel pipe 1 be vertical laying.
Described top shear structure one and described bottom shear structure one all are fastenedly connected with concrete structure 4 and are integrated; The longitudinal length of described outer steel pipe 1 and interior steel pipe 2 is all identical, and top bottom homogeneous phase both is concordant.
In the present embodiment, the quantity of a plurality of described top WELDING STUDS groups one and a plurality of described bottoms WELDING STUDS group one is 12.
Actually add man-hour, can be according to specific needs, the quantity with a plurality of described top WELDING STUDS groups one and a plurality of described bottoms WELDING STUDS group one adjusts accordingly in the scope of 4～12 respectively.
In the present embodiment, the diameter of described WELDING STUDS 3 is 12mm～24mm.And each WELDING STUDS 3 all is fixed on the inside wall of outer steel pipe 1.
Actually add man-hour, 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～66mm, 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 Φ 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～66mm.
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.
Actual man-hour, the A1=π R of adding
2And it is preferably 4m
2～10m
2, wherein R is the external diameter of outer steel pipe 1, 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=6m
2, 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～66mm.
In the present embodiment, the longitudinal length of described top shear structure one and described bottom shear structure one is 1m～1.5m.
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=10m
2The quantity of a plurality of described top WELDING STUDS groups one and a plurality of described bottoms WELDING STUDS group one is 6.
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 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
2The quantity of a plurality of described top WELDING STUDS groups one and a plurality of described bottoms WELDING STUDS group one is 4.
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 1.
In the present embodiment, as different from Example 1: the length of each described WELDING STUDS 3 is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
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 5
In the present embodiment, as different from Example 1: the length of each described WELDING STUDS 3 is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
The external diameter of described interior steel pipe 2 is Φ 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 6
In the present embodiment, as different from Example 1: the length of each described WELDING STUDS 3 is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
The external diameter of described interior steel pipe 2 is Φ 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 7
In the present embodiment, as different from Example 1: the length of each described WELDING STUDS 3 is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
The external diameter of described interior steel pipe 2 is Φ 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.
Embodiment 8
As Fig. 6, Fig. 7 and shown in Figure 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 is square; Top shear structure and bottom shear structure set on described outer steel pipe two inside walls are respectively top shear structure two and bottom shear structure two;
Described top shear structure two comprises a plurality of shearing resistance unit, top that are laid in respectively on more than 1 inside wall of outer steel pipe, each shearing resistance unit, described top includes a top WELDING STUDS group two or a plurality of top WELDING STUDS group two that is parallel laying, the cloth set direction of described top WELDING STUDS group two is consistent with the central axial direction of outer steel pipe 1 and interior steel pipe 2, on described outer steel pipe 1 each inside wall, the quantity of shearing resistance unit, set top is not more than 1, and the total quantity of shearing resistance unit, described top is not more than the sidewall quantity of outer steel pipe 1; Described bottom shear structure two comprises a plurality of shearing resistance unit, bottom that are laid in respectively on outer steel pipe 1 each inside wall, each shearing resistance unit, described bottom includes a bottom WELDING STUDS group two or a plurality of bottom WELDING STUDS group two that is parallel laying, the cloth set direction of described bottom WELDING STUDS group two is consistent with the central axial direction of outer steel pipe 1 and interior steel pipe 2, on described outer steel pipe 1 each inside wall, the quantity of shearing resistance unit, set bottom is not more than 1, and the total quantity of shearing resistance unit, described bottom is not more than the sidewall quantity of outer steel pipe 1; Each shearing resistance unit, described top and each shearing resistance unit, described bottom all are laid in the middle part of each inside wall of described outer steel pipe 1.
Each described top WELDING STUDS group two and each described bottom WELDING STUDS group two include a plurality of WELDING STUDS 3 of laying along the central axis of outer steel pipe 1 from top to bottom, each described WELDING STUDS 3 all is vertical laying with the central axis of outer steel pipe 1, and each described WELDING STUDS 3 all with its installation position place outside the inside wall of steel pipe 1 be vertical laying;
Described top shear structure two and described bottom shear structure two all are fastenedly connected with concrete structure 4 and are integrated; The longitudinal length of described outer steel pipe 1 and interior steel pipe 2 is all identical, and top bottom homogeneous phase both is concordant.
Actually add man-hour, the length of each described WELDING STUDS 3 is all less than the spacing between steel pipe 1 outside its installation position place and interior steel pipe 2.Specifically add man-hour, the length of each described WELDING STUDS 3 is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
In the present embodiment, the length of each described WELDING STUDS 3 is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
In the present embodiment, in the shear structure two of described top, the quantity of included described top WELDING STUDS group two is identical with the quantity of included described bottom WELDING STUDS group two in the shear structure two of described bottom, and a plurality of described bottoms WELDING STUDS group two be laid in respectively a plurality of described tops WELDING STUDS group two under.
In a plurality of described top WELDING STUDS groups two and a plurality of described bottoms WELDING STUDS group two, structure and the size of the quantity of included WELDING STUDS 3 and each WELDING STUDS 1 are all identical.
Actually add man-hour, a plurality of described WELDING STUDS 3 are even laying from top to bottom.
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 longitudinal length of described bottom shear structure two is 1m～1.5m; The quantity of described top shear structure two and shearing resistance unit, described bottom is 4, and in each shearing resistance unit, described top in the quantity of included top WELDING STUDS group two and each shearing resistance unit, described bottom the quantity of included bottom WELDING STUDS group two be 3.During actual the 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 and annexation are all identical with embodiment 1.
Embodiment 9
As shown in Figure 9, in the present embodiment, as different from Example 8: in each shearing resistance unit, described top in the quantity of included top WELDING STUDS group two and each shearing resistance unit, described bottom the quantity of included bottom WELDING STUDS group two be 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 and annexation are all identical with embodiment 8.
Embodiment 10
As shown in figure 10, in the present embodiment, as different from Example 8: in each shearing resistance unit, described top in the quantity of included top WELDING STUDS group two and each shearing resistance unit, described bottom the quantity of included bottom WELDING STUDS group two be 2.
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 8.
Embodiment 11
In the present embodiment, as different from Example 8: the length of each described WELDING STUDS 3 is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
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 8.
Embodiment 12
In the present embodiment, as different from Example 8: the length of each described WELDING STUDS 3 is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
The external diameter of described interior steel pipe 2 is Φ 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 8.
Embodiment 13
In the present embodiment, as different from Example 8: the length of each described WELDING STUDS 3 is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
The external diameter of described interior steel pipe 2 is Φ 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 8.
Embodiment 14
In the present embodiment, as different from Example 8: the length of each described WELDING STUDS 3 is outside its installation position place spacing between steel pipe 1 and interior steel pipe 2
The external diameter of described interior steel pipe 2 is Φ 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 8.
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, and the cross section of described 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; A1 ︰ A2=1 ︰ 0.8, the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=10m
2The quantity of described top shear structure two and shearing resistance unit, described bottom is 16, and in each shearing resistance unit, described top in the quantity of included top WELDING STUDS group two and each shearing resistance unit, described bottom the quantity of included bottom WELDING STUDS group two be 1, and each described top WELDING STUDS group two and each described bottom WELDING STUDS group two all are fixed on each sidewall middle part of outer steel pipe 1.
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 8.
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, and the cross section of described 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 top shear structure two and shearing resistance unit, described bottom is 6, in each shearing resistance unit, described top in the quantity of included top WELDING STUDS group two and each shearing resistance unit, described bottom the quantity of included bottom WELDING STUDS group two be 1, and each described top WELDING STUDS group two and each described bottom WELDING STUDS group two all are fixed on each sidewall middle part of outer steel pipe 1.
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 8.
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, and the cross section of described outer 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 top shear structure two and shearing resistance unit, described bottom is 8, in each shearing resistance unit, described top in the quantity of included top WELDING STUDS group two and each shearing resistance unit, described bottom the quantity of included bottom WELDING STUDS group two be 1, and each described top WELDING STUDS group two and each described bottom WELDING STUDS group two all are fixed on each sidewall middle part of outer steel pipe 1.
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 8.
Embodiment 18
As shown in figure 14, in the present embodiment, as different from Example 17: the quantity of described top shear structure two and shearing resistance unit, described bottom is 4, in each shearing resistance unit, described top in the quantity of included top WELDING STUDS group two and each shearing resistance unit, described bottom the quantity of included bottom WELDING STUDS group two be 1, and each described top WELDING STUDS group two and each described bottom WELDING STUDS group two all are fixed on each sidewall middle part of outer steel pipe 1.
In the present embodiment, the structure of remainder and annexation are all identical with embodiment 17.
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. a upper and lower side is provided with the SCS concrete pier of steel tube of shear structure, 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 in the top shear structure between outer steel pipe (1) top and interior steel pipe (2) top, be laid between outer steel pipe (1) bottom and interior steel pipe (2) bottom the bottom shear structure and until described top shear structure and described bottom shear structure 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, 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, top shear structure and bottom shear structure set on described outer steel pipe one inside wall are respectively top shear structure one and bottom shear structure one, and on described outer steel pipe two inside walls, set top shear structure and bottom shear structure is respectively top shear structure two and bottom shear structure two,
Described top shear structure one comprises a plurality of top WELDING STUDS groups one that along the circumferential direction are laid on described outer steel pipe (1) inside wall, and the cloth set direction of a plurality of described tops WELDING STUDS group one all the central axial direction with outer steel pipe (1) and interior steel pipe (2) is consistent; Described bottom shear structure one comprises a plurality of bottom WELDING STUDS groups one that along the circumferential direction are laid on described outer steel pipe (1) inside wall, and the cloth set direction of a plurality of described bottoms WELDING STUDS group one all the central axial direction with outer steel pipe (1) and interior steel pipe (2) is consistent;
Described top shear structure two comprises a plurality of shearing resistance unit, top that are laid in respectively on a plurality of inside walls of outer steel pipe (1), each shearing resistance unit, described top includes a top WELDING STUDS group two or a plurality of top WELDING STUDS group two that is parallel laying, the cloth set direction of described top 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 shearing resistance unit, set top is not more than 1, and the total quantity of shearing resistance unit, described top is not more than the sidewall quantity of outer steel pipe (1); Described bottom shear structure two comprises a plurality of shearing resistance unit, bottom that are laid in respectively on each inside wall of outer steel pipe (1), each shearing resistance unit, described bottom includes a bottom WELDING STUDS group two or a plurality of bottom WELDING STUDS group two that is parallel laying, the cloth set direction of described bottom 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 shearing resistance unit, set bottom is not more than 1, and the total quantity of shearing resistance unit, described bottom is not more than the sidewall quantity of outer steel pipe (1); Each shearing resistance unit, described top and each shearing resistance unit, described bottom all are laid in the middle part of each inside wall of described outer steel pipe (1);
Each described top WELDING STUDS group one, each described bottom WELDING STUDS group one, each described top WELDING STUDS group two and each described bottom WELDING STUDS group two include a plurality of WELDING STUDS (3) of laying along the central axis of outer steel pipe (1) from top to bottom, each described WELDING STUDS (3) all is vertical laying with the central axis of outer steel pipe (1), and each described WELDING STUDS (3) all with its installation position place outside the inside wall of steel pipe (1) be vertical laying;
Described top shear structure one, described bottom shear structure one, described top shear structure two and described bottom shear structure two all are fastenedly connected with concrete structure (4) and are integrated; The longitudinal length of described outer steel pipe (1) and interior steel pipe (2) is all identical, and top bottom homogeneous phase both is concordant.
2. be provided with the SCS concrete pier of steel tube of shear structure according to a kind of upper and lower side claimed in claim 1, it is characterized in that: the length of each described WELDING STUDS (3) is all less than the spacing between steel pipe (1) outside its installation position place and interior steel pipe (2).
3. be provided with the SCS concrete pier of steel tube of shear structure according to the described a kind of upper and lower side of 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～66mm, 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).
4. be provided with the SCS concrete pier of steel tube of shear structure according to the described a kind of upper and lower side of claim 1 or 2, it is characterized in that: in a plurality of described top WELDING STUDS groups one and a plurality of described bottoms WELDING STUDS group one, structure and the size of the quantity of included WELDING STUDS (3) and each WELDING STUDS (3) are all identical, and in a plurality of described top WELDING STUDS groups two and a plurality of described bottoms WELDING STUDS group two, structure and the size of the quantity of included WELDING STUDS (3) and each WELDING STUDS one (3) are all identical.
5. be provided with the SCS concrete pier of steel tube of shear structure according to the described a kind of upper and lower side of claim 1 or 2, it is characterized in that: a plurality of described top WELDING STUDS groups one and a plurality of described bottoms WELDING STUDS group one are all laid along the circumferencial direction of interior steel pipe (2); In the shear structure one of described top, the quantity of included described top WELDING STUDS group one is identical with the quantity of included described bottom WELDING STUDS group one in the shear structure one of described bottom, and a plurality of described bottoms WELDING STUDS group one be laid in respectively a plurality of described tops WELDING STUDS group one under; In the shear structure two of described top, the quantity of included described top WELDING STUDS group two is identical with the quantity of included described bottom WELDING STUDS group two in the shear structure two of described bottom, and a plurality of described bottoms WELDING STUDS group two be laid in respectively a plurality of described tops WELDING STUDS group two under.
6. be provided with the SCS concrete pier of steel tube of shear structure according to the described a kind of upper and lower side of claim 1 or 2, it is characterized in that: a plurality of described WELDING STUDS (3) are even laying from top to bottom.
7. be provided with the SCS concrete pier of steel tube of shear structure according to a kind of upper and lower side claimed in claim 2, it is characterized in that: the length of each described WELDING STUDS (3) is outside its installation position place spacing between steel pipe (1) and interior steel pipe (2)
8. be provided with the SCS concrete pier of steel tube of shear structure according to the described a kind of upper and lower side of claim 1 or 2, it is characterized in that: the longitudinal length of described top shear structure one, described bottom shear structure one, described top shear structure two and described bottom shear structure two is 1m～1.5m.
9. be provided with the SCS concrete pier of steel tube of shear structure according to the described a kind of upper and lower side of claim 1 or 2, it is characterized in that: in described top shear structure one in the quantity of included top WELDING STUDS group one and described bottom shear structure one quantity of included bottom WELDING STUDS group one be 4～12, in each shearing resistance unit, described top in the quantity of included top WELDING STUDS group two and each shearing resistance unit, described bottom the quantity of included bottom WELDING STUDS group two be 1～4.
10. be provided with the SCS concrete pier of steel tube of shear structure according to the described a kind of upper and lower side of claim 1 or 2, it is characterized in that: described concrete structure (4) is carbon fiber reinforced concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220734704 CN203007823U (en) | 2012-12-27 | 2012-12-27 | SCS steel tube concrete pier with shear resisting structures arranged on upper end and lower end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220734704 CN203007823U (en) | 2012-12-27 | 2012-12-27 | SCS steel tube concrete pier with shear resisting structures arranged on upper end and lower end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203007823U true CN203007823U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220734704 Withdrawn - After Issue CN203007823U (en) | 2012-12-27 | 2012-12-27 | SCS steel tube concrete pier with shear resisting structures arranged on upper end and lower end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203007823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995554A (en) * | 2012-12-27 | 2013-03-27 | 长安大学 | Sequence control system (SCS) concrete filled steel tube bridge pier with shear nails added at bottom |
-
2012
- 2012-12-27 CN CN 201220734704 patent/CN203007823U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995554A (en) * | 2012-12-27 | 2013-03-27 | 长安大学 | Sequence control system (SCS) concrete filled steel tube bridge pier with shear nails added at bottom |
| CN102995554B (en) * | 2012-12-27 | 2014-12-10 | 长安大学 | Sequence control system (SCS) concrete filled steel tube bridge pier with shear nails added at bottom |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20141210 |
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