CN205116424U - Concrete filled steel tube of built -in multiple joint construction - Google Patents
Concrete filled steel tube of built -in multiple joint construction Download PDFInfo
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- CN205116424U CN205116424U CN201520828841.1U CN201520828841U CN205116424U CN 205116424 U CN205116424 U CN 205116424U CN 201520828841 U CN201520828841 U CN 201520828841U CN 205116424 U CN205116424 U CN 205116424U
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- steel pipe
- shaped connector
- welding studs
- concrete
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Abstract
The utility model discloses a concrete filled steel tube of built -in multiple joint construction, including steel pipe and the concrete of pouring in the steel pipe, follow perpendicular to steel pipe axial at the steel pipe inner wall and the juncture of the concrete of pouring and set up shear force nail and J -shaped connecting piece, and the one end and steel pipe inner wall fixed connection of shear force nail, the non - arcuation end and the steel pipe inner wall fixed connection of J -shaped connecting piece, the utility model discloses utilize the off -plate stability of J -shaped joint construction reinforcing steel pipe to the corresponding structure ability of shearing that by a wide margin strengthens, each component parts with whole concrete filled steel tube closely is linked to be whole simultaneously. The multichannel shear force of deuterogamying nail is connected concrete filled steel tube organically as an organic wholely, has further strengthened whole concrete filled steel tube's wholeness.
Description
Technical field
The utility model relates to a kind of encased structures, especially relates to a kind of encased structures of built-in multiple connecting structure.
Background technology
Concrete filled steel tube refers to the structure formed after fill concrete in steel pipe.Steel and concrete bi-material make up weakness each other mutually, give full play to strong point each other, make concrete filled steel tube have very high bearing capacity, have excellent mechanical property.Nowadays, encased structures ocean platform with greatly across structures such as, heavy duty, light bridges in an increasingly wide range of applications, and the encased structures adopted mainly contains circle, square and rectangle three kinds of section forms.But the defects such as current used encased structures ubiquity dead load is large, thus greatly limit the development and application of encased structures.
In current actual use procedure, there is following defect in existing encased structures: the first, steel pipe is connected with concrete, and switching performance between steel work and concrete is poor, and both easily produce phenomenons of coming to nothing, and produce Relative sliding; The second, owing to standing dynamic loading throughout the year, outside steel pipe is more weak to concrete Confinement effect, easily cripling occurs, and finally causes encased structures to destroy.Three, the fire resistance of steel is poor due to above reason, and the development and apply of encased structures is restricted.Thus, corresponding improvement need be carried out to existing encased structures.
Summary of the invention
For defect of the prior art and deficiency, the purpose of this utility model is to provide a kind of encased structures of built-in multiple connecting structure, its structure is simple, reasonable in design, easy construction and construction cost is lower, good mechanical performance, result of use are good, and, the outside steel pipe poor from great, between outside steel pipe and its inner concrete switching performance that effectively can solve that existing encased structures exists is to problems such as the concrete Confinement effect in inside are little.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
An encased structures for built-in multiple connecting structure, comprises steel pipe and is cast in concrete in steel pipe, on the concrete intersection edge of steel pipe inner wall and cast perpendicular to steel shaft to arranging WELDING STUDS and J-shaped connector; And one end of WELDING STUDS is fixedly connected with steel pipe inner wall, the non-arcuation end of J-shaped connector is fixedly connected with steel pipe inner wall.
Concrete, on the concrete intersection edge of steel pipe inner wall and cast perpendicular to steel shaft to being arranged to right J-shaped connector, and the arcuation end of paired J-shaped connector links.
Further, the axis along described steel pipe is arranged alternately WELDING STUDS and J-shaped connector; Circumference along described steel pipe arranges multiple WELDING STUDS or a pair J-shaped connector or a pair J-shaped connector and multiple WELDING STUDS.
Concrete, be 50-100cm along steel shaft to the distance between the adjacent WELDING STUDS arranged and J-shaped connector.
More specifically, being the girth of 1/8-1/4 steel pipe with the distance between adjacent WELDING STUDS circumferentially, is the girth of 1/8-1/4 steel pipe with the distance between adjacent WELDING STUDS circumferentially and J-shaped connector.
In addition, the length of described WELDING STUDS is the 1/5-1/3 of diameter of steel tube, and described J-shaped connector length is the 1/4-1/2 of diameter of steel tube.
Concrete, the diameter of described steel pipe is 120-200cm, and the length of described WELDING STUDS is 30-80cm, and the diameter of WELDING STUDS is 3-5cm; The length of described J-shaped connector is 50-100cm, and the arcuation end of J-shaped connector is diameter is the semicircle of 5-10cm.
Advantage of the present utility model is:
(1) the utility model utilizes J-shaped connector to strengthen the lateral stability of steel pipe, and corresponding significantly enhancing structure shear resistance, each ingredient of whole encased structures is closely linked to be entirety simultaneously, coordinate multiple tracks WELDING STUDS again, connect as one organic for encased structures, further enhancing the globality of whole encased structures;
(2) the J-shaped connecting structure set by the utility model not only increases the compressive strength of core concrete, strengthen the stability of tube wall, WELDING STUDS act as the effect of shear key simultaneously, makes steel pipe and concrete be linked to be entirety, improves the compound action of Steel concrete; Further, of the present invention workable, effectively can solve the curvature of nowadays steel pipe and the uppity difficult problem caused;
(3) structure is simple, reasonable in design and construction cost is lower, the slim and graceful and antidetonation of structure and torsional property good.Meanwhile, mode of occupation is flexible, is applicable in the structures such as pier stud, arch rib, crossbeam, easy construction, result of use is good, mechanical property is good and structure merrily and lightheartedly, steel pipe becomes as a whole with concrete by two kinds of connecting structure.
Accompanying drawing explanation
Fig. 1 be encased structures of the present utility model partly cut open structural representation;
Fig. 2 is the complete sectional view along A-A direction in Fig. 1;
Fig. 3 is the complete sectional view along B-B direction in Fig. 1;
In figure, each label is expressed as: 1-steel pipe, 2-J shape connector, 3-concrete, 4-WELDING STUDS;
Below in conjunction with specification drawings and specific embodiments, the utility model is illustrated.
Detailed description of the invention
Distance between adjacent WELDING STUDS with circumferentially described in the utility model refer to position that adjacent WELDING STUDS is fixedly connected with steel pipe along steel pipe circumference across circular arc distance;
Adjacent WELDING STUDS with circumferentially described in the utility model and the distance between J-shaped connector refer to position that adjacent WELDING STUDS is fixedly connected with steel pipe and J-shaped connector be fixedly connected with steel pipe position along steel pipe circumference across circular arc distance;
The encased structures of built-in multiple connecting structure of the present utility model comprises steel pipe, is laid in the shear structure on steel pipe inner wall and treats that shear structure has laid the concrete of after-pouring in steel pipe cavity, steel pipe is steel cylindrical tube, shear structure comprises and is multiplely along the circumferential direction laid in the WELDING STUDS group on steel pipe inner wall and is along the circumferential direction laid in the J-shaped connector group on steel pipe inner wall, and multiple WELDING STUDS group and multiple J-shaped connector group are alternately arranged along steel pipe axis direction; Each WELDING STUDS group comprises the multiple WELDING STUDS laid with circumference radial direction along steel pipe, and each WELDING STUDS is all vertical runs with the central axis of steel pipe, and the equal one end of each WELDING STUDS is fixedly connected with the inwall of steel pipe, and the other end stretches in concrete; J-shaped connector group comprises the J-shaped connector arranged in pairs with the radial direction of circumference along steel pipe, the non-arcuation end of each J-shaped connector is fixedly connected with steel pipe inner wall, the arcuation end of paired J-shaped connector links, and each J-shaped connector group is all vertical runs with the inside wall of steel pipe;
J-shaped connector group can also comprise a pair J-shaped connector and multiple WELDING STUDS laid with circumference along steel pipe;
Concrete, as shown in Figure 1,2 and 3, the concrete 3 that the encased structures of built-in multiple connecting structure of the present utility model comprises steel pipe 1 and is cast in steel pipe, arranges WELDING STUDS 4 and J-shaped connector 2 at steel pipe 1 inwall and the intersection of the concrete 3 of cast along perpendicular to steel pipe 1 axis; And one end of WELDING STUDS 4 is fixedly connected with steel pipe 1 inwall, the non-arcuation end of J-shaped connector 2 is fixedly connected with steel pipe 1 inwall, J-shaped connector strengthens the lateral stability of steel pipe, and corresponding significantly enhancing structure shear resistance, each ingredient of whole encased structures is closely linked to be entirety simultaneously, coordinate multiple tracks WELDING STUDS again, connect as one organic for encased structures, further enhancing the globality of whole encased structures.
Concrete, axially right J-shaped connector 2 is arranged to along perpendicular to steel pipe 1 at the intersection of the concrete 3 of steel pipe 1 inwall and cast, and the arcuation end of paired J-shaped connector 2 links, strengthen the lateral stability of steel pipe, and corresponding significantly enhancing structure shear resistance;
Further, the axis along steel pipe 1 is arranged alternately WELDING STUDS 4 and J-shaped connector 2; Circumference along steel pipe 1 arranges multiple WELDING STUDS 4 or a pair J-shaped connector 2 or a pair J-shaped connector 4 and multiple WELDING STUDS 4, and being arranged alternately of different shear structure, the shearing between mutually making up is not enough, makes whole shear structure more stable.
Concrete, the distance between the adjacent WELDING STUDS 4 axially arranged along steel pipe 1 and J-shaped connector 2 is 50-100cm, when arranging less shear structure, reaches satisfactory shearing resistance.
More specifically, with the girth that the distance between adjacent WELDING STUDS 4 is circumferentially 1/8-1/4 steel pipe, with the girth that the distance between adjacent WELDING STUDS 4 circumferentially and J-shaped connector 2 is 1/8-1/4 steel pipe, so uniform setting, that exerts all one's strength is distributed in circumferentially more even, and stability strengthens.
In addition, the length of WELDING STUDS 4 is the 1/5-1/3 of diameter of steel tube, and J-shaped connector 2 length is the 1/4-1/2 of diameter of steel tube, partly enters joint steel pipe and the concrete of formula, is not only beneficial to concrete building, simultaneously can also be more stable realize shearing resistance.
Take diameter as the steel pipe of 100cm be example, the pipe thickness of steel pipe is 5cm, concrete, and the length of WELDING STUDS 4 is 30-80cm, and the diameter of WELDING STUDS 4 is 3-5cm; The length of J-shaped connector 2 is 50-100cm, and the arcuation end of J-shaped connector 2 is diameter is the semicircle of 5-10cm.
According to Engineering Research, the encased structures size of built-in multiple connecting structure of the present utility model and the preferred arrangement of syndeton as follows:
J-shaped connector group and WELDING STUDS group are along steel shaft to interlaced arrangement, first group is the J-shaped connector 2 arranged in pairs, two J-shaped structural members 2 are mutually caught on by arcuation end and couple together, the length of J-shaped connector 2 can regulate accordingly along with the change of steel pipe 1 diameter, the length of preferred J-shaped connector 2 is 1/2 of diameter of steel tube, and arcuation body is divided into the semicircle of diameter 8cm; In symmetrical a pair WELDING STUDS 4 of the same circumference of J-shaped connector 2, the length of WELDING STUDS 4 is 1/3 of diameter of steel tube, and the diameter of WELDING STUDS 4 is 5cm;
Second group is WELDING STUDS group, and the same circumferencial direction along steel pipe 1 establishes 8 WELDING STUDS 4 altogether, and the length of WELDING STUDS 4 is 1/3 of diameter of steel tube;
Spacing between first group and second group is 80cm;
Be arranged alternately the 3rd group, the 4th group etc. successively, until shear structure will be covered with in steel pipe, then concreting in steel pipe.
Claims (8)
1. the encased structures of a built-in multiple connecting structure, comprise steel pipe (1) and be cast in the concrete (3) in steel pipe (1), it is characterized in that, along perpendicular to steel pipe (1), axially shear structure is set at the intersection of the concrete (3) of steel pipe (1) inwall and cast.
2. the encased structures of built-in multiple connecting structure as claimed in claim 1, is characterized in that, described shear structure comprises WELDING STUDS (4) and J-shaped connector (2); One end of WELDING STUDS (4) is fixedly connected with steel pipe (1) inwall, and the non-arcuation end of J-shaped connector (2) is fixedly connected with steel pipe (1) inwall.
3. the encased structures of built-in multiple connecting structure as claimed in claim 2, it is characterized in that, axially be arranged to right J-shaped connector (2) at the concrete intersection of steel pipe (1) inwall and cast along perpendicular to steel pipe (1), and the arcuation end of paired J-shaped connector (2) links.
4. the encased structures of built-in multiple connecting structure as claimed in claim 2 or claim 3, is characterized in that, the axis along described steel pipe (1) is arranged alternately WELDING STUDS (4) and J-shaped connector (2);
Circumference along described steel pipe (1) arranges multiple WELDING STUDS (4) or a pair J-shaped connector (2) or a pair J-shaped connector (2) and multiple WELDING STUDS (4).
5. the encased structures of built-in multiple connecting structure as claimed in claim 4, is characterized in that, the distance between the adjacent WELDING STUDS (4) axially arranged along steel pipe (1) and J-shaped connector (2) is 50-100cm.
6. the encased structures of built-in multiple connecting structure as claimed in claim 4, it is characterized in that, with the girth that the distance between adjacent WELDING STUDS (4) is circumferentially 1/8-1/4 steel pipe, be the girth of 1/8-1/4 steel pipe with the distance between adjacent WELDING STUDS (4) circumferentially and J-shaped connector (2).
7. the encased structures of built-in multiple connecting structure as claimed in claim 2, it is characterized in that, the length of described WELDING STUDS (4) is the 1/5-1/3 of diameter of steel tube, and described J-shaped connector (2) length is the 1/4-1/2 of diameter of steel tube.
8. the encased structures of built-in multiple connecting structure as claimed in claim 7, it is characterized in that, the diameter of described steel pipe is 120-200cm, and the length of described WELDING STUDS (4) is 30-80cm, and the diameter of WELDING STUDS (4) is 3-5cm; The length of described J-shaped connector (2) is 50-100cm, and the arcuation end of J-shaped connector (2) is diameter is the semicircle of 5-10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520828841.1U CN205116424U (en) | 2015-10-23 | 2015-10-23 | Concrete filled steel tube of built -in multiple joint construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520828841.1U CN205116424U (en) | 2015-10-23 | 2015-10-23 | Concrete filled steel tube of built -in multiple joint construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205116424U true CN205116424U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520828841.1U Expired - Fee Related CN205116424U (en) | 2015-10-23 | 2015-10-23 | Concrete filled steel tube of built -in multiple joint construction |
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| CN (1) | CN205116424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502981A (en) * | 2021-07-06 | 2021-10-15 | 长江大学 | Steel pipe concrete structure with fireproof, anti-collision and shockproof functions and manufacturing process |
-
2015
- 2015-10-23 CN CN201520828841.1U patent/CN205116424U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502981A (en) * | 2021-07-06 | 2021-10-15 | 长江大学 | Steel pipe concrete structure with fireproof, anti-collision and shockproof functions and manufacturing process |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20161023 |