CN205777095U - A kind of steel pipe column and steel pipe column group - Google Patents

A kind of steel pipe column and steel pipe column group Download PDF

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Publication number
CN205777095U
CN205777095U CN201620586859.XU CN201620586859U CN205777095U CN 205777095 U CN205777095 U CN 205777095U CN 201620586859 U CN201620586859 U CN 201620586859U CN 205777095 U CN205777095 U CN 205777095U
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CN
China
Prior art keywords
steel pipe
pipe column
steel
concrete
column
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Expired - Fee Related
Application number
CN201620586859.XU
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Chinese (zh)
Inventor
骆银昌
宋喜元
马永甫
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Shandong Yue Steel Member Co Ltd
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Shandong Yue Steel Member Co Ltd
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Priority to CN201620586859.XU priority Critical patent/CN205777095U/en
Application granted granted Critical
Publication of CN205777095U publication Critical patent/CN205777095U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The open a kind of steel pipe column of this utility model and steel pipe column group, have firm in structure, and shock resistance is strong, it is easy to the advantage being combined with concrete.Wherein, the inwall of steel pipe column is provided with strip groove.Steel pipe column group, including interior steel pipe column and outer steel pipe column, described interior steel pipe column is positioned at the inner chamber of described outer steel pipe column, is coaxially set with described outer steel pipe column;Described interior steel pipe column is foregoing steel pipe column.This utility model is by providing a kind of steel pipe column and steel pipe column group, and the inwall of steel pipe column is provided with strip groove, when steel pipe column can preferentially rupture along strip groove when bearing earthquake shock, and then form strip or the steel plate of bulk, these steel plates can continue to provide metastable structure to support into earthquake-resistant structure with the concrete of surrounding, and then provide the most firm structure support for strengthening the anti-seismic flexible of building, contribute to further promoting the anti seismic efficiency of Aseismic Steel Structures of the prior art building.

Description

A kind of steel pipe column and steel pipe column group
Technical field
This utility model relates to construction(al)steel technical field, is specifically related to a kind of steel pipe column and steel pipe column group.
Background technology
Steel pipe column is exactly strength and stiffness concrete being poured in steel pipe and consolidating to add big steel pipe.Handle in prior art Strength grade of concrete is referred to as common steel tube concrete at the concrete filled steel tube of below C50;Strength grade of concrete is at more than C50 Concrete filled steel tube be referred to as high strength concrete filled steel tube;Strength grade of concrete is referred to as steel pipe at the concrete filled steel tube of more than C100 and surpasses High-strength concrete.The comprcssive strength of concrete is high.But bending resistance is the most weak, and the bending resistance of steel, particularly shaped steel is strong, tool Have a good elastoplasticity, but when pressurized easy unstability and lose axial compression resistance ability.Concrete filled steel tube structurally can be by The advantage of the two combines, and concrete can be made to be in side loaded state, and its comprcssive strength can significantly improve.Simultaneously because The existence of concrete, improves the rigidity of steel pipe, and both play a role jointly, thus greatly increases the carrying energy of steel pipe column Power.Concrete filled steel tube is as a kind of emerging combinative structure, mainly with axial compression and the compression member of active force small eccentricity It is main, is widely used in as in Factory Building and high-rise frame structure.Developing rapidly of concrete filled steel tube is owing to it has There are good stress performance and workability, are embodied in the following aspects:
1, bearing capacity is high, ductility is good, and anti-seismic performance is superior.
In steel core concrete column, the effect of contraction of its inner concrete is made concrete be in three dimension stress state by steel pipe, Improve the comprcssive strength of concrete;The concrete of steel duct can be effectively prevented again steel pipe generation cripling.Research Showing, the bearing capacity of steel core concrete column is higher than corresponding steel pipe column bearing capacity and concrete column bearing capacity sum.Steel pipe is with mixed Interaction between solidifying soil makes the destruction of steel duct concrete be changed into plastic failure by brittle break, the ductility of component Can be obviously improved, energy dissipation capacity is greatly improved, and has superior anti-seismic performance.
Plasticity refers to the plastic deformation ability under action of static load.Concrete-filled Tubular Steel Stub Columns axial compression tests shows, examination Part is compressed to the 2/3 of former length, and when longitudinal strain reaches more than 30%, test specimen still has bearing capacity.After peelling off steel pipe, though inner concrete The biggest existing bulging flange is wrinkled, but still keeps complete, the loosest, and still has the bearing capacity of about 5%, just pulverizes after pounding with a hammer Come off.Anti-seismic performance refers to, under dynamic load or geological process, have good ductility and energy absorption capacity.In this respect, steel pipe mixes Solidifying soil component is more much better than than reinforced concrete member.Under press-bending course under cyclic loading, moment curvature hysteresis loop shows, knot The energy absorption performance of structure is especially good, without Stiffness Deterioration, and without descending branch, identical with the steel column not losing local stability, but one In a little buildings, steel column is often required to use the thickest steel plate to guarantee local stability.But the most often there is forfeiture office after plastic bending Portion is stable.Therefore, the anti-seismic performance of steel core concrete column is also superior to steel column.
2, easy construction, the duration is greatly shortened.
During concrete filled steel tube construction, steel pipe can undertake construction loads and the structure of construction stage as stiff skeleton Weight, construction is not affected by the concrete curing time;Owing to there is no reinforcing bar inside concrete filled steel tube, it is simple to the cast of concrete And tamping;During concrete filled steel tube construction, it is not necessary to template, both saved formwork, the material of form removal and labour cost, also saved Save the time.
3, fire-resistance and the fire prevention of steel pipe are conducive to.
Owing to being filled with concrete in steel pipe, substantial amounts of heat energy can be absorbed, thus suffer from tubing string cross-section temperature field during fire It is distributed the most uneven, adds the fire resistance period of pillar, the programming rate of the steel column that slows down, and once steel column surrender, concrete Most xial feed can be born, prevent structural collapse.The refractory ability of combination beam also can improve, because the temperature of girder steel Concrete can be transferred heat to from top girth and reduce.Show through Exemplary statistical data: reach one-level requirement in fire-resistant 3 hours Comparing with steel column and can save fireproof coating more than 1/3 1 2/3, along with diameter of steel tube increases, saving color is the most.
4, decay resistance is better than steel construction.
Pouring into a mould concrete in steel pipe makes the exposed area of steel pipe reduce, fewer than steel construction by ambient atmos corroded area Many, needed for anti-corruption and anticorrosion, expense is also saved than steel construction.The section form of concrete filled steel tubular member is to concrete filled steel tube Stress performance, construction complexity, construction period and construction costs all have a great impact.Concrete filled steel tube compression member By means of round steel pipe effect of contraction effective to its inner concrete, the concrete of steel duct is made to be in three dimension stress state, Concrete is made to have higher comprcssive strength.But the difficulty of construction of concrete filled steel tube structure is big, and construction cost is higher.Compare Under, the construction of Concrete Filled Square Steel Tubular is more convenient, but concrete filled steel tube constraint on effect is less, the carrying of structure Power is relatively low.
Construction aspect, the part of steel core concrete column is less, and weld seam is few, simple structure, and suspension column is frequently with at coagulation soil matrix The plug-in type suspension column of reserved rim of a cup on plinth, thus factory is relatively simple to manufacture, member dead weight is less simultaneously, transports and lifts the most relatively Easily, constructing the easiest, and steel core concrete column uses sheet material to roll, sheet metal thickness is all little, typically within 40mm, no matter Factory's welding and scene are docked, and all do not have what difficulty.Meanwhile, compared with reinforced column, the crust steel of steel pipe column Pipe has the function of reinforcing bar, has the effect of longitudinal reinforcement and lateral tie concurrently, so not having reinforcing bar in pipe, having saved Steel Reinforcing Bar Material and having tied up The series of process such as wire-tie, again due to the template of the post the most resistance to side pressure of crust steel pipe, also saved formwork and form removal simultaneously Etc. operation.In recent years, pumping concrete is fairly common, and concreting in site there is no difficulty, and China's creation widely used high dropping are not The construction method of vibrated concrete, more simplifies the on-the-spot operation filling concrete, easy construction.Also have to open in tubing string bottom and face Time irrigation hole, by the method for concrete pump concrete perfusion from bottom to top, the soonest, ensure again pouring quality.And, pouring After, it being in the damp condition of quite stable in steel pipe, moisture is difficult to evaporation, saves water seasoning operation, simplifies concrete Maintaining process.
Therefore research and develop a steel pipe column and further improve the structural behaviour of steel pipe column in prior art, further promote The anti-seismic performance of steel pipe column becomes a kind of required.
Utility model content
The purpose of this utility model is to provide a kind of steel pipe column and steel pipe column group, has firm in structure, and shock resistance is strong, easily In the advantage being combined with concrete.
The purpose of this utility model is to be achieved through the following technical solutions: on the one hand, and this utility model provides a kind of steel Tubing string, the inwall of described steel pipe column is provided with strip groove.
In preferred embodiments, described strip groove is arranged along the length direction of described steel pipe column.
In preferred embodiments, described strip groove is latticed setting.
In preferred embodiments, the inwall of described steel pipe column is provided with projection at the position in addition to strip groove.
In preferred embodiments, also include connecting end;Described connection end includes: the first flange and with described first method The second flange that blue profile is suitable;Described second flange is provided with the insertion suitable with described first flange hole size Section;The two ends of described steel pipe column are installed with described first flange or the second flange respectively.
On the other hand, this utility model also provides for a kind of steel pipe column group, including interior steel pipe column and outer steel pipe column, described interior steel Tubing string is positioned at the inner chamber of described outer steel pipe column, is coaxially set with described outer steel pipe column;Described interior steel pipe column is foregoing Steel pipe column.
Further, the bearing of trend of this utility model strip groove by being arranged by the inwall at steel pipe column, along steel The length direction of tubing string is arranged, and contributes to being cleaved into strip along strip groove while steel pipe column bears seismic force, is fully inhaling Still possess the ability that building structure supports while receiving earthquake shock power, and provide the structure of protectiveness to prop up for earthquake-resistant structure Support, makes earthquake-resistant structure possess further deformation flexible.
Further, the bearing of trend of this utility model strip groove by being arranged by the inwall at steel pipe column, in net Trellis is arranged, and contributes to further strengthening the energy-absorbing technique effect of steel pipe column, and the steel pipe column fragment after crushing can be with surrounding Concrete be integrated as earthquake-resistant structure flexible support be provided, make earthquake-resistant structure possess further deformation flexible.
Further, this utility model by arranging projection at the inwall of steel pipe column at the position in addition to strip groove, Contribute to the adhesion further promoting between steel pipe column and surrounding concrete, and then when steel pipe column shape becomes fragment, depend on The old structure support that can consolidate for earthquake-resistant structure offer.
Further, this utility model, by arranging connection end for steel pipe column, contributes to realizing steel pipe column construction module Change, produce in batches, only need during use by: the first flange and second flange suitable with described first flange profile pass through spiral shell Bolt fastens, and can reach technique effect steel pipe column length extended further.
Further, this utility model, by providing a kind of steel pipe column group, contributes to providing firm for earthquake-resistant structure While support, do not lose the structural flexibility of self, it is possible to provide further firm for earthquake-resistant structure and support.
The beneficial effects of the utility model are: this utility model is by providing a kind of steel pipe column, and at the inwall of steel pipe column It is provided with strip groove, when steel pipe column can preferentially rupture along strip groove when bearing earthquake shock, and then forms strip Or the steel plate of bulk, these steel plates can continue to provide metastable structure to support into earthquake-resistant structure with the concrete of surrounding, And then provide the most firm structure support for strengthening the anti-seismic flexible of building, contribute to further promoting prior art In Aseismic Steel Structures building anti seismic efficiency.
Accompanying drawing explanation
Below according to accompanying drawing, this utility model is described in further detail.
Fig. 1 is the structural representation of steel pipe column in this utility model embodiment 1;
Fig. 2 is the improved structure schematic diagram of steel pipe column in this utility model embodiment 1;
Fig. 3 is the another kind of improved structure schematic diagram of steel pipe column in this utility model embodiment 1;
Fig. 4 is the structural representation connecting end of steel pipe column in this utility model embodiment 2;
Fig. 5 is the structural representation of steel pipe column group in this utility model embodiment 3.
In figure:
100, strip groove;200, protruding;300, end is connected;310, the first flange;320, the second flange;321, insert Section;400, interior steel column;500, outer steel column.
Detailed description of the invention
Embodiment 1:
Without loss of generality, as it is shown in figure 1, this utility model provides a kind of inwall at steel pipe column to be provided with strip groove The steel pipe column of 100, and applied in Aseismic Steel Structures is built.During use, by concreting technology, in steel pipe column Fill full concrete, and the composition component as earthquake-resistant structure is used.When an earthquake occurs, steel pipe column is at seismic wave Effect under, preferentially can fragment into strip or bulk along strip groove, and continue to be combined with concrete, for earthquake-resistant structure offer more Further flexible support.Steel pipe column after improvement can further increase the structural flexibility of earthquake-resistant structure, for promoting antidetonation The anti-seismic performance of building provides further structural support.
Preferably, in an optimal technical scheme of the present embodiment, strip groove is set along the length direction of steel pipe column Put.The bearing of trend of this utility model strip groove by being arranged by the inwall at steel pipe column, along the length direction of steel pipe column Arrange, contribute to being cleaved into strip along strip groove while steel pipe column bears seismic force, fully absorbing earthquake shock power The most still possess the ability that building structure supports, and provide the structure of protectiveness to support for earthquake-resistant structure, make earthquake-resistant structure have Standby further deformation is flexible.
Preferably, as in figure 2 it is shown, in an optimal technical scheme of the present embodiment, be latticed setting by strip groove Put.The bearing of trend of this utility model strip groove by being arranged by the inwall at steel pipe column, in latticed setting, contributes to Further strengthening the energy-absorbing technique effect of steel pipe column, the steel pipe column fragment after crushing can be integrated as with the concrete of surrounding Earthquake-resistant structure provides flexible support, makes earthquake-resistant structure possess further deformation flexible.
Preferably, as it is shown on figure 3, in an optimal technical scheme of the present embodiment, by the inwall of steel pipe column except bar Position beyond shape groove arranges protruding 200.This utility model by the inwall of steel pipe column in the portion in addition to strip groove Position arranges projection, contributes to the adhesion further promoting between steel pipe column and surrounding concrete, and then when steel pipe column deformation During for fragment, still firm structure can be provided to support for earthquake-resistant structure.
This utility model is by providing a kind of steel pipe column, and the inwall of steel pipe column is provided with strip groove, works as steel pipe column Can preferentially rupture along strip groove when bearing earthquake shock, and then formation strip or the steel plate of bulk, these steel plates and Concrete around can continue to provide metastable structure to support into earthquake-resistant structure, and then soft for strengthening the antidetonation of building Property provide the most firm structure and support, contribute to further promoting the antidetonation of Aseismic Steel Structures of the prior art building Effect.
Embodiment 2:
As shown in Figure 4, the present embodiment, on the basis of embodiment 1, also includes connecting end 300;Connect the structure bag of end 300 Include: the first flange 310 and second flange 320 suitable with the first flange profile;Second flange be provided with in the first flange The inserting paragraph 321 that hole dimension is suitable;The two ends of steel pipe column are installed with the first flange 310 or the second flange 320 respectively.
This utility model, by arranging connection end for steel pipe column, contributes to realizing steel pipe column structural module, in batches Produce, only need during use by: the first flange and second flange suitable with the first flange profile are fastened by bolts, Ji Nengda To the technique effect that steel pipe column length is extended further.
It should be noted that the present embodiment is not limited to use the connection end shown in Fig. 4 as connecting two steel pipe columns Connected mode, the arbitrary structures being capable of the steel pipe column of two said structures connects according to prior art all should fall into this practicality Novel protection domain.
Embodiment 3:
As it is shown in figure 5, the present embodiment is on the basis of above-described embodiment, also provide for a kind of steel pipe column group, including interior steel pipe Post 400 and outer steel pipe column 500, interior steel pipe column 400 is positioned at the inner chamber of outer steel pipe column 500, is coaxially set with outer steel pipe column 500; Interior steel pipe column is the steel pipe column in above-described embodiment.During use, need in interior steel pipe column 400 and interior steel pipe column 400 and outer steel Fill concrete is poured between tubing string 500.
This utility model, by providing a kind of steel pipe column group, contributes to while providing firm support for earthquake-resistant structure, Do not lose the structural flexibility of self, it is possible to provide further firm for earthquake-resistant structure and support.
This utility model is not limited to above-mentioned preferred forms, and anyone can draw under enlightenment of the present utility model Other various forms of products, no matter but in its shape or structure, make any change, every have same as the present application or phase The technical scheme of approximation, within all falling within protection domain of the present utility model.

Claims (6)

1. a steel pipe column, it is characterised in that: the inwall of described steel pipe column is provided with strip groove.
Steel pipe column the most according to claim 1, it is characterised in that: described strip groove is along the length direction of described steel pipe column Arrange.
Steel pipe column the most according to claim 1, it is characterised in that: described strip groove is latticed setting.
Steel pipe column the most according to claim 1, it is characterised in that: the inwall of described steel pipe column is in addition to strip groove Position is provided with projection.
Steel pipe column the most according to claim 1, it is characterised in that: also include connecting end;Described connection end includes: the first method The second blue and suitable with described first flange profile flange;Described second flange is provided with and described first flange endoporus chi Very little suitable inserting paragraph;The two ends of described steel pipe column are installed with described first flange or the second flange respectively.
6. a steel pipe column group, it is characterised in that: include that interior steel pipe column and outer steel pipe column, described interior steel pipe column are positioned at described outer steel The inner chamber of tubing string, is coaxially set with described outer steel pipe column;Described interior steel pipe column is according to any one of Claims 1 to 5 item Steel pipe column.
CN201620586859.XU 2016-06-15 2016-06-15 A kind of steel pipe column and steel pipe column group Expired - Fee Related CN205777095U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620586859.XU CN205777095U (en) 2016-06-15 2016-06-15 A kind of steel pipe column and steel pipe column group

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Application Number Priority Date Filing Date Title
CN201620586859.XU CN205777095U (en) 2016-06-15 2016-06-15 A kind of steel pipe column and steel pipe column group

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Publication Number Publication Date
CN205777095U true CN205777095U (en) 2016-12-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113503080A (en) * 2021-06-30 2021-10-15 绍兴大明电力设计院有限公司 Long butt joint structure of prefabricated pull-out GFRP pipe centrifugal concrete pole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113503080A (en) * 2021-06-30 2021-10-15 绍兴大明电力设计院有限公司 Long butt joint structure of prefabricated pull-out GFRP pipe centrifugal concrete pole

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161207

Termination date: 20210615