CN203065954U - SCS concrete filled steel tube structure with shearing-resistant function - Google Patents

SCS concrete filled steel tube structure with shearing-resistant function Download PDF

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Publication number
CN203065954U
CN203065954U CN 201220734698 CN201220734698U CN203065954U CN 203065954 U CN203065954 U CN 203065954U CN 201220734698 CN201220734698 CN 201220734698 CN 201220734698 U CN201220734698 U CN 201220734698U CN 203065954 U CN203065954 U CN 203065954U
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CN
China
Prior art keywords
steel pipe
welding studs
shearing resistance
shearing
shear
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Application number
CN 201220734698
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Chinese (zh)
Inventor
杨光辉
王旭
高小育
刘永健
樊小林
黄月超
韩小宇
李波
王勇
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长安大学
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Priority to CN 201220734698 priority Critical patent/CN203065954U/en
Application granted granted Critical
Publication of CN203065954U publication Critical patent/CN203065954U/en

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Abstract

The utility model discloses an SCS concrete filled steel tube structure with a shearing-resistant function. The SCS concrete filled steel tube structure with the shearing-resistant function comprises an outer steel tube, an inner steel tube, shearing-resistant structures and a concrete structure, and the outer steel tube and the inner steel tube are arranged in a coaxial mode. The outer steel tube comprises a first outer steel tube or a second outer steel tube, the cross section of the first outer steel tube is in a circular shape, and the cross section of the second outer steel tube is in a square or a polygon shape. A shearing-resistant structure which is arranged on the inner side wall of the first outer steel tube is a first shearing-resistant structure, and a shearing-resistant structure which is arranged on the inner wall of the second outer steel tube is a second shearing-resistant structure. The first shearing-resistant structure comprises a plurality of first shearing force nail sets which are arranged along a peripheral direction, the second shearing-resistant structure comprises a plurality of shearing-resistant units which are respectively arranged all over the inner side walls of the outer steel tube, and each shearing-resistant unit comprises one or a plurality of second shearing force nail sets which are arranged in a parallel mode. The SCS concrete filled steel tube structure with the shearing-resistant function is simple in structure, reasonable in design, convenient to construct, low in construction cost, good in mechanical property, good in use effect and capable of solving various types of problems which exist in an existing concrete filled steel tube structure.

Description

A kind of SCS encased structures with shearing resistance function
Technical field
The utility model relates to a kind of encased structures, especially relates to a kind of SCS encased structures with shearing resistance function.
Background technology
Concrete filled steel tube refers to the structure that forms behind the fill concrete in steel pipe.Two kinds of materials of steel and concrete remedy weakness each other mutually, give full play to strong point each other, make concrete filled steel tube have very high bearing capacity, and excellent mechanical property is arranged.Nowadays, encased structures ocean platform with stride greatly, application more and more widely arranged in the structures such as heavy duty, light bridge, and the encased structures that adopts mainly contains circle, square and three kinds of section forms of rectangle.But, defective such as present employed encased structures ubiquity dead load is big, thereby limited the development and application of encased structures to a great extent.
In addition, in steel pipe, behind the laying perforate stiffening rib (being called for short the PBL stiffening rib), 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 steel and concrete compound action.But during actual the use, the rigidity of the morning and evening of steel pipe flexing with the PBL stiffening rib has direct relation, thereby wayward, and dead load is very big.
To sum up, the several problems of existing encased structures ubiquity: the first, outside steel pipe to concrete cuff effect a little less than, cripling easily takes place, and the globality of steel pipe and combining structure that concrete forms is not enough; The second, deadweight is bigger than normal, the limit structural size; Three, the fire resistance of steel is relatively poor.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of SCS encased structures with shearing resistance function is provided, it is simple in structure, reasonable in design, easy construction and construction cost is lower, good mechanical performance, result of use are good, and the switching performance between great, outside steel pipe and its inner concrete that can solve effectively that existing encased structures exists is poor, outside steel pipe is to problems such as the concrete cuff effect in inside are little.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of SCS encased structures with shearing resistance function, it is characterized in that: comprise outer steel pipe, be set in outer steel duct interior steel pipe, be laid in the shear structure on the outer steel pipe inside wall and treat described shear structure lay finish after by the concrete structure that is filled in the concreting moulding in the cavity between outer steel pipe and the interior steel pipe, steel pipe is that round steel pipe and its are laid in the middle inside of outer steel pipe in described, and 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; Set shear structure is shear structure one on described outer steel pipe one inside wall, and set shear structure is shear structure two on described outer steel pipe two inside walls; Described shear structure one comprises a plurality of WELDING STUDS groups one that along the circumferential direction are laid on the described outer steel pipe inside wall, and the cloth set direction of a plurality of described WELDING STUDS groups one all the central axial direction with outer steel pipe and interior steel pipe is consistent; Described shear structure two comprises the shearing resistance unit on a plurality of each inside wall that is laid in outer steel pipe respectively, each described shearing resistance unit includes a WELDING STUDS group two or a plurality of WELDING STUDS group two that is 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, the quantity of set shearing resistance unit is not more than 1 on described each inside wall of outer steel pipe, and the total quantity of described shearing resistance unit is not more than the sidewall quantity of described outer steel pipe; Each described WELDING STUDS group one and each described 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 shear structure one and described shear structure two all are fastenedly connected with concrete structure and are one; The longitudinal length of described outer steel pipe and interior steel pipe is all identical, and the top bottom homogeneous phase of the two is concordant.
Above-mentioned a kind of SCS encased structures with shearing resistance function is characterized in that: the length of each described WELDING STUDS is all less than the spacing between steel pipe and the interior steel pipe outside its installation position place.
Above-mentioned a kind of SCS encased structures with shearing resistance function is characterized in that: a plurality of described WELDING STUDS groups one are evenly laid along the circumferencial direction of interior steel pipe;
Above-mentioned a kind of SCS encased structures with shearing resistance function, it is characterized in that: the external diameter of steel pipe is Φ 102mm~Φ 2000mm in described, the wall thickness of described outer steel pipe and interior steel pipe is 4mm~100mm, and A1 ︰ A2=1 ︰ (0.6~0.8), A1=a1+b1 wherein, a1 is that cross-sectional area and the b1 of outer steel pipe is the cross-sectional area of the inboard hollow bulb of outer steel pipe, A2=π r 2And r is the external diameter of interior steel pipe.
Above-mentioned a kind of SCS encased structures with shearing resistance function, it is characterized in that: described concrete structure is the carbon fiber reinforced concrete structure.
Above-mentioned a kind of SCS encased structures with shearing resistance function, it is characterized in that: the shape of cross section of described outer steel pipe is circular, square or regular polygon.
Above-mentioned a kind of SCS encased structures with shearing resistance function is characterized in that: the structure of all WELDING STUDS is all identical with size in a plurality of described WELDING STUDS groups one, and the structure of all WELDING STUDS is all identical with size in the described shear structure two.
Above-mentioned a kind of SCS encased structures with shearing resistance function is characterized in that: the quantity of a plurality of described WELDING STUDS groups one is 4~12, and the quantity of included described WELDING STUDS group two is 1~4 in each described shearing resistance unit.
Above-mentioned a kind of SCS encased structures with shearing resistance function, it is characterized in that: a plurality of described WELDING STUDS are even laying from top to bottom; And the installation position of the quantity of included WELDING STUDS and each WELDING STUDS is all identical in a plurality of described WELDING STUDS groups.
Above-mentioned a kind of SCS encased structures with shearing resistance function is characterized in that: the length of each described WELDING STUDS is outside its installation position place spacing between the steel pipe and interior steel pipe
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and construction cost is lower.
2, the slim and graceful and antidetonation of structure and torsional property are good.Simultaneously, mode of occupation is flexible, in structures such as pier stud, arch rib, crossbeam.
3, easy construction and result of use are good, and the mechanical property of the SCS steel tube concrete column construction spare of institute's construction molding is good and structure is slim and graceful, and the concrete that passes through to pour into a mould between the 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 defective such as great, it utilizes the bigger sectional area of outer steel pipe that the bigger antitorque and bending resistance moment of inertia in cross section is provided, 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 advantage such as construction, the relative inertness square in cross section is bigger, 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 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 the effective volume of concrete of steel pipe alleviates the purpose of deadweight in utilizing.
4, the concrete of pouring into a mould between the 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 about 0.6%, concrete tensile strength and tension ductility can be improved 30% and 25% respectively.Carbon fiber is that cutting forms through the chopping machine tool by carbon fiber filament, length generally is unit with mm, profile is that the suede of certain-length must, have characteristics such as lightweight, high-strength, Gao Mo, corrosion-resistant, conduction, advantages of good shielding performance, wave absorbtion height, and have and be uniformly dispersed, feeding manner is various, advantage of simple technology.Add an amount of chopped carbon fiber in the 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 the 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 the outer steel pipe and the buried concrete structure inside of going into to build moulding, thereby the shearing resistance effect that is play is very obvious.That is to say that the WELDING STUDS group that adopts can effectively strengthen the face external stability of outer steel pipe, and the corresponding structure shear resistance that strengthens significantly, 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 steel and concrete compound action.And of the present utility model workable, effectively solving nowadays, the curvature time of steel pipe concerns a uppity difficult problem that causes because having with perforate stiffening rib rigidity.
In sum, the utility model is simple in structure, reasonable in design, easy construction and construction cost is lower, good mechanical performance, result of use are good, and the switching performance between great, outside steel pipe and its inner concrete that can solve effectively that existing encased structures exists is poor, outside steel pipe is to various problems such as the concrete cuff effect in inside are little.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the internal construction schematic diagram of the utility model embodiment 1.
Fig. 3 is the laying view of WELDING STUDS group one among the utility model embodiment 1.
Fig. 4 is the laying view of WELDING STUDS group one among the utility model embodiment 2.
Fig. 5 is the laying view of WELDING STUDS group one among 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 WELDING STUDS group two among the utility model embodiment 8.
Fig. 9 is the laying view of WELDING STUDS group two among the utility model embodiment 9.
Figure 10 is the laying view of WELDING STUDS group two among the utility model embodiment 10.
Figure 11 is the laying view of WELDING STUDS group two among the utility model embodiment 15.
Figure 12 is the laying view of WELDING STUDS group two among the utility model embodiment 16.
Figure 13 is the laying view of WELDING STUDS group two among the utility model embodiment 17.
Figure 14 is the laying view of WELDING STUDS group two among the utility model embodiment 18.
Description of reference numerals:
1-outer steel pipe; 2-interior steel pipe; 3-WELDING STUDS;
4-concrete structure.
The specific embodiment
Embodiment 1
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 the shear structure on outer steel pipe 1 inside wall and treat described shear structure lay finish after by the concrete structure 4 that is filled in the concreting moulding in the cavity between outer steel pipe 1 and the interior steel pipe 2, steel pipe 2 is laid in the middle inside of outer steel pipe 1 for round steel pipe and its in described, and 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, and set shear structure is shear structure one on described outer steel pipe one inside wall.Described shear structure one comprises a plurality of 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 WELDING STUDS groups one all the central axial direction with outer steel pipe 1 and interior steel pipe 2 is consistent.Each described WELDING STUDS group one includes 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 shear structure one is fastenedly connected with concrete structure 4 and is one.The longitudinal length of described outer steel pipe 1 and interior steel pipe 2 is all identical, and the top bottom homogeneous phase of the two is concordant.
Actually add man-hour, the length of each described WELDING STUDS 3 is all less than the spacing between steel pipe 1 and the interior steel pipe 2 outside its installation position place.Specifically add man-hour, the length of each described WELDING STUDS 3 is outside its installation position place spacing between the 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 the steel pipe 1 and interior steel pipe 2
In the present embodiment, a plurality of described WELDING STUDS groups one are evenly laid along the circumferencial direction of interior steel pipe 2.
The structure of all WELDING STUDS 3 is all identical with size in a plurality of described WELDING STUDS groups one, and the structure of all WELDING STUDS 3 is all identical with size in the described shear structure two.The quantity of a plurality of described WELDING STUDS groups one is 4~12, and a plurality of described WELDING STUDS 3 are even laying from top to bottom; And the installation position of the quantity of included WELDING STUDS 3 and each WELDING STUDS 3 is all identical in a plurality of described WELDING STUDS groups.
In the present embodiment, the quantity of a plurality of described WELDING STUDS groups one is 12.
Actually add man-hour, can be according to concrete needs, the quantity of a plurality of described WELDING STUDS groups one is adjusted accordingly in 4~12 scope.
In the present embodiment, the diameter of described WELDING STUDS 3 is 12mm~24mm.Each described WELDING STUDS 3 all is fixed on the inside wall of outer steel pipe 1 with welding manner.
Actually add man-hour, the external diameter of steel pipe 2 is Φ 102mm~2000mm in described, the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 4mm~100mm, and A1 ︰ A2=1 ︰ (0.6~0.8), A1=a1+b1 wherein, a1 is that cross-sectional area and the b1 of outer steel pipe 1 is the cross-sectional area of outer steel pipe 1 inboard hollow bulb, A2=π r 2And r is the external diameter of interior steel pipe 2.
In the present embodiment, the external diameter of described interior steel pipe 2 is that Φ 200mm and its wall thickness are 15mm.During actual the use, can be according to concrete needs, the external diameter of steel pipe 2 in described is adjusted accordingly in the scope of Φ 102mm~Φ 2000mm, and the wall thickness of interior steel pipe 2 is adjusted accordingly in the scope of 4mm~100mm.
In the present embodiment, A1 ︰ A2=1 ︰ 0.7.During actual the use, can be according to concrete 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 the carbon fiber reinforced concrete structure.
Actually add man-hour, the wall thickness of described outer steel pipe 1 and interior steel pipe 2 all is 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.During actual the use, can be according to concrete needs with A1 at 4m 2~10m 2Scope in adjust accordingly, and the wall thickness of outer steel pipe 1 is adjusted accordingly in the scope of 4mm~100mm.
During practice of construction, when being used for field such as building construction, bridge when the encased structures of constructing, described in the wall thickness of steel pipe 2 and outer steel pipe 1 preferably in the scope of 4mm~66mm, adjust accordingly.When the encased structures of constructing was used for ocean platform, the wall thickness of described interior steel pipe 2 and outer steel pipe 1 preferably adjusted accordingly in the scope of 12mm~100mm.
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, 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 WELDING STUDS groups 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, and the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=10m 2, the cross section of its China and foreign countries' steel pipe 1 inboard hollow bulb is the regular hexagon hole, and the cross-sectional area in the cross-sectional area of the described outer steel pipe 1 of A1=+described regular hexagon hole; The quantity of a plurality of described WELDING STUDS groups 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 each described WELDING STUDS 3 is outside its installation position place spacing between the steel pipe 1 and interior steel pipe 2 The external diameter of steel pipe 2 is 102mm in described, 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 each described WELDING STUDS 3 is outside its installation position place spacing between the steel pipe 1 and interior steel pipe 2 The external diameter of steel pipe 2 is 1000mm in described, 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 each described WELDING STUDS 3 is outside its installation position place spacing between the steel pipe 1 and interior steel pipe 2 The external diameter of steel pipe 2 is 2000mm in described, 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 each described WELDING STUDS 3 is outside its installation position place spacing between the steel pipe 1 and interior steel pipe 2 The external diameter of steel pipe 2 is 2000mm in described, 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 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; And set shear structure is shear structure two on described outer steel pipe two inside walls; Described shear structure two comprises a plurality of shearing resistance unit that are laid in respectively on more than 1 inside wall of outer steel pipe, each described shearing resistance unit includes a WELDING STUDS group two or a plurality of WELDING STUDS group two that is 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 each described shearing resistance unit all is vertical laying with the inside wall of its outer steel pipe 1 of living in, the quantity of set shearing resistance unit is not more than 1 on described outer steel pipe 1 each inside wall, and the total quantity of described shearing resistance unit is not more than the sidewall quantity of outer steel pipe 1; Each described WELDING STUDS group two includes 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 shear structure two is fastenedly connected with concrete structure 4 and is one; The longitudinal length of described outer steel pipe 1 and interior steel pipe 2 is all identical, and the top bottom homogeneous phase of the two is concordant; The quantity of included described WELDING STUDS group two is 1~4 in each described shearing resistance unit; Each described shearing resistance unit all is laid in each inside wall middle part 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 2Wherein D is the lateral wall length of side of described outer steel pipe 1.The quantity of described shearing resistance unit is 4, and the quantity of included described WELDING STUDS group two is 3 in each described shearing resistance unit.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 is all identical with embodiment 1 with annexation.
Embodiment 9
As shown in Figure 9, in the present embodiment, as different from Example 8: the quantity of included described WELDING STUDS group two is 4 in each described shearing resistance unit; 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, the quantity of included described WELDING STUDS group two is 2 in each described shearing resistance unit.
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 each described WELDING STUDS 3 is outside its installation position place spacing between the steel pipe 1 and interior steel pipe 2 The external diameter of steel pipe 2 is Φ 102mm in described, 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 each described WELDING STUDS 3 is outside its installation position place spacing between the steel pipe 1 and interior steel pipe 2 The external diameter of steel pipe 2 is 1000mm in described, 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 each described WELDING STUDS 3 is outside its installation position place spacing between the steel pipe 1 and interior steel pipe 2 The external diameter of steel pipe 2 is 2000mm in described, 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 each described WELDING STUDS 3 is outside its installation position place spacing between the steel pipe 1 and interior steel pipe 2 The external diameter of steel pipe 2 is 2000mm in described, 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 the quantity of included described WELDING STUDS group two is 1 in each described shearing resistance unit, and each described WELDING STUDS group two all is fixed on each sidewall middle part 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, and the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=10m 2, the cross section of its China and foreign countries' steel pipe 1 inboard hollow bulb is the regular hexagon hole, and the cross-sectional area in the cross-sectional area of the described outer steel pipe 1 of A1=+described regular hexagon hole; The quantity of described shearing resistance unit is 6, and the quantity of included described WELDING STUDS group two is 1 in each described shearing resistance unit, and each described WELDING STUDS group two all is fixed on each sidewall middle part 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, and the wall thickness of described outer steel pipe 1 and interior steel pipe 2 is 25mm, A1=10m 2, the cross section of its China and foreign countries' steel pipe 1 inboard hollow bulb is the octagon hole, and the cross-sectional area in the cross-sectional area of the described outer steel pipe 1 of A1=+described octagon hole; The quantity of described shearing resistance unit is 8, and the quantity of included described WELDING STUDS group two is 1 in each described shearing resistance unit, and each described WELDING STUDS group two all is fixed on each sidewall middle part 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 the quantity of included described WELDING STUDS group two is 1 in each described shearing resistance unit, and each described WELDING STUDS group two all is fixed on each sidewall middle part of outer steel pipe 1.
In the present embodiment, the structure of remainder is all identical with embodiment 17 with annexation.
The above; it only is 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. SCS encased structures with shearing resistance function, 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 shear structure on outer steel pipe (1) inside wall and treat described shear structure laying finish after by the concrete structure (4) that is filled in the interior concreting moulding of cavity between outer steel pipe (1) and the interior steel pipe (2), steel pipe (2) is laid in the middle inside of outer steel pipe (1) for round steel pipe and its in described, and 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; Set shear structure is shear structure one on described outer steel pipe one inside wall, and set shear structure is shear structure two on described outer steel pipe two inside walls; Described shear structure one comprises a plurality of 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 WELDING STUDS groups one all the central axial direction with outer steel pipe (1) and interior steel pipe (2) is consistent; Described shear structure two comprises a plurality of shearing resistance unit that are laid in respectively on a plurality of inside walls of outer steel pipe (1), each described shearing resistance unit includes a WELDING STUDS group two or a plurality of WELDING STUDS group two that is 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), the quantity of set shearing resistance unit is not more than 1 on each inside wall of described outer steel pipe (1), and the total quantity of described shearing resistance unit is not more than the sidewall quantity of described outer steel pipe (1); Each described WELDING STUDS group one and each described 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 shear structure one and described shear structure two all are fastenedly connected with concrete structure (4) and are one; 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.
2. according to the described a kind of SCS encased structures with shearing resistance function of 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 the interior steel pipe (2).
3. according to claim 1 or 2 described a kind of SCS encased structuress with shearing resistance function, it is characterized in that: a plurality of described WELDING STUDS groups one are evenly laid along the circumferencial direction of interior steel pipe (2);
4. according to claim 1 or 2 described a kind of SCS encased structuress with shearing resistance function, it is characterized in that: the external diameter of steel pipe (2) is Φ 102mm~Φ 2000mm in described, the wall thickness of described outer steel pipe (1) and interior steel pipe (2) is 4mm~100mm, and A1 ︰ A2=1 ︰ (0.6~0.8), A1=a1+b1 wherein, a1 is that cross-sectional area and the b1 of outer steel pipe (1) is the cross-sectional area of the inboard hollow bulb of outer steel pipe (1), A2=π r 2And r is the external diameter of interior steel pipe (2).
5. according to claim 1 or 2 described a kind of SCS encased structuress with shearing resistance function, it is characterized in that: described concrete structure (4) is the carbon fiber reinforced concrete structure.
6. according to claim 1 or 2 described a kind of SCS encased structuress with shearing resistance function, it is characterized in that: the shape of cross section of described outer steel pipe (1) is for circular or square.
7. according to claim 1 or 2 described a kind of SCS encased structuress with shearing resistance function, it is characterized in that: the structure of all WELDING STUDS (3) is all identical with size in a plurality of described WELDING STUDS groups one, and the structure of all WELDING STUDS (3) is all identical with size in the described shear structure two.
8. according to claim 1 or 2 described a kind of SCS encased structuress with shearing resistance function, it is characterized in that: the quantity of a plurality of described WELDING STUDS groups one is 4~12, and the quantity of included described WELDING STUDS group two is 1~4 in each described shearing resistance unit.
9. according to claim 1 or 2 described a kind of SCS encased structuress with shearing resistance function, it is characterized in that: a plurality of described WELDING STUDS (3) are even laying from top to bottom; And the quantity of included WELDING STUDS (3) is all identical with the installation position of each WELDING STUDS (3) in a plurality of described WELDING STUDS groups.
10. according to the described a kind of SCS encased structures with shearing resistance function of claim 2, it is characterized in that: the length of each described WELDING STUDS (3) is outside its installation position place spacing between the steel pipe (1) and interior steel pipe (2)
CN 201220734698 2012-12-27 2012-12-27 SCS concrete filled steel tube structure with shearing-resistant function CN203065954U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102979180A (en) * 2012-12-27 2013-03-20 长安大学 SCS (steel-tube concrete structure) with built-in shear nails
CN106192730A (en) * 2016-08-01 2016-12-07 上海应用技术学院 A kind of steel bushing precast splice type bridge pier of band WELDING STUDS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102979180A (en) * 2012-12-27 2013-03-20 长安大学 SCS (steel-tube concrete structure) with built-in shear nails
CN106192730A (en) * 2016-08-01 2016-12-07 上海应用技术学院 A kind of steel bushing precast splice type bridge pier of band WELDING STUDS

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