CN205444692U - Dendroid steel pipe concrete beam forming post - Google Patents
Dendroid steel pipe concrete beam forming post Download PDFInfo
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- CN205444692U CN205444692U CN201521137653.0U CN201521137653U CN205444692U CN 205444692 U CN205444692 U CN 205444692U CN 201521137653 U CN201521137653 U CN 201521137653U CN 205444692 U CN205444692 U CN 205444692U
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- steel tube
- concrete filled
- filled steel
- dendroid
- post
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Abstract
The utility model discloses a dendroid steel pipe concrete beam forming post, including two above fixed connection's concrete filled steel tube unit, every concrete filled steel tube unit includes shaft, rigid coupling in bent pipe, fixed connection in the terminal column cap of bent pipe of shaft one end to and fixed connection in the formula of the buryying column base of the shaft other end, certain axis evenly distributed is followed to the concrete filled steel tube unit, the column cap is to keeping away from the direction of axis is extended, each column cap highly the same forms a plurality of fulcrums. The utility model discloses a column cap forms a plurality of fulcrums, the dispersible internal force that concentrates on a department for the holding surface enlarges, alleviates the burden of node, simultaneously, the bearing capacity of steel core concrete column improves greatly, and has good corrosion resistance, plasticity and anti -seismic performance.
Description
Technical field
This utility model relates to building structural element, especially a kind of concrete filled steel tube bunchy post.
Background technology
In recent decades, steel core concrete column is used more and more widely in civil engineering particularly building structure field.Steel core concrete column is exactly the advantage simultaneously utilizing steel and concrete, makes the integral working after bi-material combination be substantially better than the simple superposition of the two performance, greatly promotes its combination property.As station post, concrete column is attractive in appearance not as shaped steel, and pure steel structure post is restricted by steel stability, thus the steel core concrete column evading both shortcomings just arises at the historic moment.
But existing steel core concrete column there is also many problems, such as internal force collection and neutralizes Lack of support, need research further and improve.
Utility model content
Utility model purpose: provide a kind of dendroid concrete filled steel tube bunchy post, to solve the problems referred to above that prior art exists.
Technical scheme: a kind of dendroid concrete filled steel tube bunchy post, including the fixing concrete filled steel tube unit connected of two or more (containing two), each concrete filled steel tube unit includes shaft, the swan-neck being fixed in shaft one end, is fixedly connected on the stigma of swan-neck end, and is fixedly connected on the embedded column base of the described shaft other end；Described concrete filled steel tube unit is uniformly distributed along certain axis, and described stigma extends to the direction away from described axis；The height of each stigma is identical, forms multiple fulcrum.
In a further embodiment, the connected mode between described swan-neck and shaft is for welding.Connected mode between described stigma and swan-neck is for welding.Connected mode between described shaft and embedded column base is welding and anchor bolts.
Preferably, the angle of bend of described swan-neck is 90 ~ 150 degree.It is further preferred that the angle of bend of described swan-neck is 120 ± 5 degree.Further preferred, the angle of bend of described swan-neck is 123 ± 1 degree.Further preferred, the angle of bend of described swan-neck is 123.86 degree.
In a further embodiment, the connected mode between adjacent steel pipe concrete construction unit is welding.Described suspension column include main part, the base plate being fixedly connected on main part one end, by fixing with main part and the bottom welding respectively boots beam of sidewall, and be fixed on the peg on main part lateral wall.
In certain embodiments, described concrete filled steel tube unit is four, and the circumference along certain axis is uniformly distributed, and adjacent concrete filled steel tube unit is welded and fixed by twin fillet wolt.
Beneficial effect: this utility model forms multiple fulcrum by stigma, dispersibles the internal force concentrated at one so that supporting surface expands, and alleviates the burden of node；Meanwhile, the bearing capacity of steel core concrete column is greatly improved, and has good corrosion resistance, plasticity and anti-seismic performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of embodiment illustrated in fig. 1.
Fig. 3 is the structural representation of concrete filled steel tube unit.
Fig. 4 is the structural perspective of shaft.
The sectional view of diverse location when Fig. 5 a and Fig. 5 b is suspension column and pile body connection respectively.
Fig. 6 a and Fig. 6 b is the structural representation of suspension column respectively, and wherein Fig. 6 b is the schematic diagram in A-A direction along Fig. 6 a.
Detailed description of the invention
As shown in Figure 1, in this embodiment, dendroid concrete filled steel tube bunchy post of the present utility model is made up of 4 concrete filled steel tube unit, the shape of these four concrete filled steel tube unit is the most identical with structure, and be uniformly distributed along the circumference of certain axis, it is welded and fixed between adjacent concrete filled steel tube unit.As can be seen from Figure 1, each concrete filled steel tube unit includes stigma 1, swan-neck 2 and shaft 3, shaft fasciculation arranges and is welded and fixed, form an entirety, laterally, i.e. the direction away from axis bends swan-neck, and stigma is connected to the end of swan-neck, also the direction away from axis extends, and forms multiple dendritic fulcrum.Understanding in conjunction with Fig. 1 and Fig. 2, the height residing for each stigma is identical or essentially identical, it is allowed to there is manufacture or construction error, and the most in other embodiments it can also be provided that different, or the height of part stigma is in same or like plane.
Forwarding Fig. 2 and Fig. 3 to, it illustrates the shape of concrete filled steel tube unit respectively from the angle overlooked with side-looking.I.e. by welding swan-neck in the end of vertical shaft, and weld stigma further in the end of swan-neck, so that stigma extends laterally, form multiple fulcrum.Seeing on the whole, multiple concrete filled steel tube unit define tree-shaped structure, and shaft is trunk, and stigma is branch, so being referred to as dendroid concrete filled steel tube bunchy post.Dendroid stigma 1 is steel core concrete column, is made up of steel pipe and concrete bi-material, plays dispersion and concentrates on the effect of internal force at, provides certain support for increasing span.
In figure 3, the angle of bend (being equivalent to the angle between stigma axis and shaft axis) of swan-neck is 123.86 degree, can be designed as other angles in other embodiments.But, the angle of bend of swan-neck is preferably 90 ~ 150 degree, more preferably 120 ± 5 degree.Further it is preferably 123 ± 1 degree.
Fig. 4 is then described, in this perspective view, shaft close-packed arrays, form an entirety, it can be seen that shaft is straight pipe, there is between adjacent tubes the contact surface of part along its length, by adjacent pipe welding by the way of welding.It should be noted that, in this embodiment and above-described embodiment, concrete filled steel tube unit all circumferentially distributed along certain axis of imaginaries, can also arrange a steel core concrete column, be arranged around some steel core concrete column construction units at this steel core concrete column at middle part.
Finally combine Fig. 5 a, Fig. 5 b, Fig. 6 a and Fig. 6 b and describe the connected mode of suspension column and suspension column and shaft.Understanding from Fig. 5 a, at the outer wall of suspension column, at least part of region is provided with and is distributed peg 41 along suspension column length direction, and this peg is for increasing the cohesive force with ground and shear behavior.Specifically, in this embodiment, suspension column is provided with altogether 240 pegs at the inlet part of steel column, and peg 41 plays shearing resistance effect, increases the cohesive force of the soil body and suspension column, ensure that the globality of suspension column simultaneously.It should be noted that when arranging peg, above-mentioned functions to be considered, it is also contemplated that welding and the compound mode of steel core concrete column.The most in figure 5b, it is further seen that steam vent 5.
In Fig. 6 a and Fig. 6 b, it may be clearly seen that the set-up mode of peg, the figure shows simultaneously and on the concrete structure bottom suspension column, i.e. base plate, be provided with boots beam 42.In this embodiment, suspension column uses embedded column base.This embedded column base is for just to connect monoblock type suspension column, and therefore the build-in of suspension column is easier to ensure that.Base plate is divided into relatively community lattice by the boots beam that suspension column is formed around, and is beneficial to reduce base plate thickness.
In the above-described embodiments, dendritic stigma 1 is connected by the swan-neck 2 of arc with the shaft 3 of fasciculation, the curved tube of curved bend is made up of fill concrete in steel pipe, by welding manner, shaft with dendritic stigma and fasciculation is connected respectively, can effectively solve the problem that elongated shaft produces angle bending.
Meanwhile, from above-described embodiment it can be seen that fasciculation shaft 3 uses four steel core concrete column composition bundle shape post groups, single-column is made up of fill concrete in steel pipe, and steel pipe and concrete mutually retrain and improve respective performance, make the bearing capacity of post significantly improve.Again four single-columns contact position fillet weld seam two-by-two is merged into bunchy post, further enhancing the bearing capacity of post, and this method compared to single substantially dimension pipe concrete column in construction more convenient.Shaft 3 passes through crab-bolt and solder design with the suspension column 4 of embedded type.
Designed by said structure, above-described embodiment has significant advantage, and these advantages include: suspension column is that embedded type just connects, and being rigidly connected of suspension column would not produce significantly connection angle deformation, i.e. connect angle deformation and the attenuating of structure reactance so should be connected relatively reliable less than 5%.The bearing capacity of steel core concrete column is greatly improved compared to common post, and has good corrosion resistance, plasticity and anti-seismic performance.Using steel core concrete column to have economic effect clearly, steel pipe can save formwork directly as the template of concrete, cost-effective.
In other embodiments, according to the needs of engineering, can the various dendroid concrete filled steel tube bunchy post of design form, such as may be designed to two to, three-dimensional, four-way, or more to.Can be along the circumferential uniform or uneven setting of certain axis, it is also possible to the circumference along certain central steel pipe concrete column is uniformly or non-uniformly arranged.According to the needs of engineering, structure can be adjusted so that it is reach good aesthetic.
Construction and installation process of the present utility model is as follows:
Before lifting, prepare before embedding anchor bolts should be carried out, and select rational pre-buried scheme and Hoisting Program.Check pre-embedded anchoring bolts coordinate line in length and breadth with total powerstation, make error be less than 2mm.On ground by levelling for steel column bundle horizon rule, hang vertical line on steel column both sides tangent with steel column sideline, measure central point between two point of contacts, intervening gaps, measure central point between another two point of contacts with same method.With stringing method, steel column central point is guided to steel column bottom panel side, stamp sample dotting punch, perform sign, guide to central point steel column top, stamp sample dotting punch, perform sign simultaneously；Central point is found out in the another side being mutually 90 degree at steel column with same method, stamps sample dotting punch, performs sign；Measure downwards 1 meter of absolute altitude central point with same tape measure from capital simultaneously, stamp sample dotting punch and labelling.Check centrage and labelling, and review qualified.
Shackle hoist cable lifting interim fixing leveling and adjusting spot welding in place is installed and is welded and fixed loop wheel machine pine hook.
Steel pipe column level is lifted by crane, hang stigma with 50 tons of main suspension hooks of crane, hanging, during lifting at 4 meters of stigma with same crane pair suspension hook, crane major-minor hook lifts by crane simultaneously, keep suspension column the most liftoff as far as possible, by the adjustment that crane major-minor hook lifting speed is different, make stigma lift the most lentamente, until steel column is upright, at this moment come loose auxiliary hook, should slowly promote when column is upright, whipping when preventing column from departing from ground.
Steel column vertical lifting, column is moved horizontally to above basis, by adjusting suspension arm of crane angle and rotation, steel column is directed at foundation built-in bolt, slowly transfer and steel column footing piece is inserted in pre-embedded bolt, make steel column bottom panel side sample dotting punch position and surface of base coordinate line position overlap.
Finally fixing cable rope, must not be less than 3, and ground angle cannot be greater than 60 degree when cable rope uses, cable rope diameter cannot be less than 10mm, and crab-bolt should be solid and reliable through calculating.
For complicated superstructure, bunchy post of the present utility model can provide multiple fulcrum, dispersible the internal force concentrated at one so that supporting surface expands, and alleviates the burden of node.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing; but; this utility model is not limited to the detail in above-mentioned embodiment; in technology concept of the present utility model; the technical solution of the utility model can be carried out multiple equivalents, these equivalents belong to protection domain of the present utility model.
Claims (10)
1. a dendroid concrete filled steel tube bunchy post, it is characterized in that, the concrete filled steel tube unit of connection is fixed including two or more, each concrete filled steel tube unit includes shaft, the swan-neck being fixed in shaft one end, is fixedly connected on the stigma of swan-neck end, and is fixedly connected on the embedded column base of the described shaft other end；Described concrete filled steel tube unit is uniformly distributed along certain axis, and described stigma extends to the direction away from described axis；The height of each stigma is identical, forms multiple fulcrum.
2. dendroid concrete filled steel tube bunchy post as claimed in claim 1, it is characterised in that the connected mode between described swan-neck and shaft is for welding.
3. dendroid concrete filled steel tube bunchy post as claimed in claim 1, it is characterised in that the connected mode between described stigma and swan-neck is for welding.
4. dendroid concrete filled steel tube bunchy post as claimed in claim 1, it is characterised in that the connected mode between described shaft and embedded column base is welding and anchor bolts.
5. the dendroid concrete filled steel tube bunchy post as described in any one of Claims 1-4, it is characterised in that the angle of bend of described swan-neck is 90 ~ 150 degree.
6. dendroid concrete filled steel tube bunchy post as claimed in claim 5, it is characterised in that the angle of bend of described swan-neck is 120 ± 5 degree.
7. dendroid concrete filled steel tube bunchy post as claimed in claim 5, it is characterised in that the angle of bend of described swan-neck is 123 ± 1 degree.
8. dendroid concrete filled steel tube bunchy post as claimed in claim 5, it is characterised in that the connected mode between adjacent steel pipe concrete construction unit is welding.
9. dendroid concrete filled steel tube bunchy post as claimed in claim 5, it is characterized in that, described suspension column include main part, the base plate being fixedly connected on main part one end, by fixing with main part and the bottom welding respectively boots beam of sidewall, and be fixed on the peg on main part lateral wall.
10. dendroid concrete filled steel tube bunchy post as claimed in claim 5, it is characterised in that described concrete filled steel tube unit is four, and the circumference along certain axis is uniformly distributed, and adjacent concrete filled steel tube unit is welded and fixed by twin fillet wolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521137653.0U CN205444692U (en) | 2015-12-31 | 2015-12-31 | Dendroid steel pipe concrete beam forming post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521137653.0U CN205444692U (en) | 2015-12-31 | 2015-12-31 | Dendroid steel pipe concrete beam forming post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205444692U true CN205444692U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521137653.0U Expired - Fee Related CN205444692U (en) | 2015-12-31 | 2015-12-31 | Dendroid steel pipe concrete beam forming post |
Country Status (1)
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| CN (1) | CN205444692U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740494A (en) * | 2017-10-12 | 2018-02-27 | 上海趋而代之环保科技有限公司 | A kind of bamboo structure ecotecture |
| CN110359632A (en) * | 2019-07-02 | 2019-10-22 | 杭萧钢构股份有限公司 | A kind of umbrella shape steel pipe bundle column and installation method |
-
2015
- 2015-12-31 CN CN201521137653.0U patent/CN205444692U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740494A (en) * | 2017-10-12 | 2018-02-27 | 上海趋而代之环保科技有限公司 | A kind of bamboo structure ecotecture |
| CN110359632A (en) * | 2019-07-02 | 2019-10-22 | 杭萧钢构股份有限公司 | A kind of umbrella shape steel pipe bundle column and installation method |
| CN110359632B (en) * | 2019-07-02 | 2023-09-29 | 杭萧钢构股份有限公司 | Umbrella-shaped steel tube bundle column and installation method |
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Legal Events
| 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 |
Granted publication date: 20160810 Termination date: 20211231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |