CN203347107U - Reinforced concrete pipe lattice column - Google Patents
Reinforced concrete pipe lattice column Download PDFInfo
- Publication number
- CN203347107U CN203347107U CN 201320310731 CN201320310731U CN203347107U CN 203347107 U CN203347107 U CN 203347107U CN 201320310731 CN201320310731 CN 201320310731 CN 201320310731 U CN201320310731 U CN 201320310731U CN 203347107 U CN203347107 U CN 203347107U
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- concrete
- hollow pipe
- column
- web member
- pipe column
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Abstract
The utility model provides a reinforced concrete pipe lattice column which comprises at least two hollow pipe columns, wherein each hollow pipe column is connected with at least one adjacent hollow pipe column by web members; and the periphery of each hollow pipe column is coated with a steel reinforced concrete column. The pipe lattice column is light in deadweight, high in bearing capacity and good in fire resistance, and can retard local buckling of the hollow pipe columns.
Description
Technical field
The utility model relates to a kind of field of civil engineering, is specifically related to a kind of concrete reinforced pipe lattice column.
Background technology
That fibre reinforced composites (FRP) have is high-strength, light weight, the advantage such as corrosion-resistant, and therefore the application in civil engineering is increasingly extensive.Conventional hollow sandwich FRP pipe concrete is concrete perfusion and the member that forms can be used for building, bridge and special construction in the adverse circumstances such as ocean, humidity between two FRP pipes of placing with one heart.Yet, the FRP large usage quantity of conventional hollow sandwich FRP pipe concrete member, once breaking out of fire, outer FRP pipe is softening very soon, reaching very soon fire endurance than the high axial compression ratio lower member, therefore, under given conditions must be to hollow sandwich FRP pipe concrete external surface brushing fireproof paint or cement mortar, must increase construction costs and technical difficulty like this, later maintenance and reinforcing expense are also higher.Because the FRP thickness of pipe wall is less, under load action, its tube wall more easily produces cripling, and internal layer FRP pipe weakens concrete supporting role, thereby causes the intensity of material not give full play to, and at the load action lower member, destroys in advance.
Adopt single FRP pipe lower with the bending rigidity of concrete combined member in face, easy unstability when slenderness ratio is larger, be difficult to give full play to FRP pipe and concrete material characteristic, now can adopt lattice column.Lattice column can obtain by the post limb of reduced size the bending rigidity of larger cross-section, thereby has higher bearing capacity.The web member of lattice column often adopts blank pipe or other sheet material, and its rigidity is comparatively limited, and when member occurs than Large deflection, larger shear strain can occur web member.Conventional lattice column web member often is directly exposed to the external world, if material adopts FRP or steel, will soon lose efficacy under fire effect, thereby lattice column is destroyed in advance.
The utility model content
The technical problems to be solved in the utility model, be to provide a kind of from heavy and light, bearing capacity is high, fire resistance good, can delay the concrete reinforced pipe lattice column of hollow pipe column cripling.
The utility model is achieved in that a kind of concrete reinforced pipe lattice column, comprises at least two hollow pipe columns, and every hollow pipe column at least is connected by web member with two adjacent vacant core barrel posts, and the periphery of described hollow pipe column also coats a reinforced concrete post.
Further, the outer wall of described hollow pipe column is provided with a plurality of stiffening ribs.Described stiffening rib comprises crossing longitudinal stiffener and hoop stiffening rib, and described longitudinal stiffener extends axially to hollow pipe column, and quantity is a plurality of and radially radially distributing along described hollow pipe column; The described hoop gilled rings of putting more energy into is located at the outer wall of described hollow pipe column, and quantity is a plurality of and axially being uniformly distributed along hollow pipe column.Described stiffening rib is the FRP stiffening rib.
Further, described hollow pipe column is the FRP hollow pipe column, and described web member is the FRP web member.Described FRP web member is CFRP web member, GFRP web member or AFRP web member.Described web member is for being horizontally disposed with, being obliquely installed or level and inclination being arranged alternately.
Further, described reinforced concrete post comprises layer of concrete, and is located at vertical muscle and the stirrup of layer of concrete, and described vertical muscle is distributed in the periphery of described hollow pipe column and web member, and described stirrup hoop is on the vertical muscle of hollow pipe column periphery.Described layer of concrete is ordinary concrete layer, high-strength concrete layer, high performance concrete layer, regenerated aggregate concrete layer or light weight aggregate concrete layer.
Further, the cross section outer contour shape of described hollow pipe column is not necessarily identical with the cross section outer contour shape of reinforced concrete post, and the cross section outer contour shape of hollow pipe column be circular, oval, triangle and polygonal any one.
The utility model has the advantage of:
1, the utility model adopts hollow pipe column, and tubing string is interior without fill concrete, and adopts the FRP material, can greatly alleviate dead load;
2, the setting of stiffening rib has delayed the cripling of hollow pipe column, has guaranteed that hollow pipe column is to concrete supporting role, has strengthened the collaborative work ability between hollow pipe column and concrete, has also improved the stress performance of hollow pipe column; Therefore can obtain the bending rigidity of larger cross-section by the post limb of reduced size, give full play to material effects, improve bearing capacity, save construction costs;
3, in the construction, the internal layer hollow pipe column can be used as the template of concreting, easy construction; Hollow pipe column and the web member internal layer at steel concrete is arranged, be subject to the protection of outer steel reinforced concrete, under fire effect, still can bear larger load, thereby there is good fire resistance;
4, the steel concrete of web member outside has increased the coupling stiffness of post limb greatly, has improved globality and the stability of structure, has effectively suppressed the distortion of web member.
Thereby the utility model pipe lattice column can be used as building structure post, bridge pier, power facility tower, equipment frame post, pier etc.
The accompanying drawing explanation
The utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
The stereogram that Fig. 1 is the utility model concrete reinforced pipe lattice column.
The end view that Fig. 2 is the utility model concrete reinforced pipe lattice column.
Fig. 3 is the stereogram of the utility model concrete reinforced pipe lattice column while removing reinforced concrete post.
The specific embodiment
Refer to shown in Fig. 1 to Fig. 3, concrete reinforced pipe lattice column of the present utility model, comprise at least two hollow pipe columns 1, and every hollow pipe column 1 at least is connected by web member 2 with an adjacent hollow tubing string 1, and the periphery of described hollow pipe column 1 also coats a reinforced concrete post 3.The embodiment that Fig. 1 shows comprises two hollow pipe columns 1, two hollow pipe columns 1 connect by web member 2, if comprise the hollow pipe column 1 more than 3 or 3 at other embodiment, each hollow pipe column 1 can be connected by web member 2 with the hollow pipe column 1 of one or more adjacent settings, thereby makes the bulk strength of hollow pipe column 1 better.
The outer wall of described hollow pipe column 1 is provided with a plurality of stiffening ribs 12.Described stiffening rib 12 comprises crossing longitudinal stiffener 121 and hoop stiffening rib 122, and described longitudinal stiffener 121 extends axially to hollow pipe column 1, and quantity is a plurality of and radially radially distributing along described hollow pipe column 1; Described hoop stiffening rib 122 rings are located at the outer wall of described hollow pipe column 1, and quantity is a plurality of and axially being uniformly distributed along hollow pipe column 1.Described stiffening rib 12 can be made for the FRP material, i.e. the FRP stiffening rib.The setting of longitudinal stiffener 121 and hoop stiffening rib 122 can effectively delay to manage the cripling of the hollow pipe column 1 of lattice column internal layer, guarantee the supporting role of 1 pair of concrete column 3 of hollow pipe column, strengthened the collaborative work ability between hollow pipe column 1 and concrete column 3, also improve the stress performance of hollow pipe column 1, improved bearing capacity and the anti-seismic performance of pipe lattice column.
It is made that described hollow pipe column 1 and web member 2 are the FRP material, i.e. FRP hollow pipe column and FRP web member.Described FRP material is the CFRP(carbon fibre reinforced composite), the GFRP(glass fibre reinforced composion) or AFRP(aramid fiber reinforced composite), be CFRP hollow pipe column and CFRP web member, GFRP hollow pipe column and GFRP web member, AFRP hollow pipe column and AFRP web member, it is lighter that these FRP materials can make to manage the deadweight of lattice column.Described web member 2, for being horizontally disposed with, being obliquely installed or level and inclination being arranged alternately, makes to manage the lattice column stress performance better.
Described reinforced concrete post 3 comprises layer of concrete 31, and is located at vertical muscle 32 and stirrup 33 in layer of concrete 31, and described vertical muscle 32 is distributed in the periphery of described hollow pipe column 1 and web member 2, and described stirrup 33 hoops are on the vertical muscle 32 of hollow pipe column 1 periphery.Described layer of concrete 31 makes for any material in ordinary concrete, high-strength concrete, high performance concrete, regenerated aggregate concrete or light weight aggregate concrete, draws materials extensively.
The cross section outer contour shape of described hollow pipe column 1 is not necessarily identical with the cross section outer contour shape of reinforced concrete post 3, and the cross section outer contour shape of hollow pipe column 1 be circular, oval, triangle and polygonal any one.
Concrete reinforced pipe lattice column of the present utility model, adopt hollow pipe column, and tubing string is interior without fill concrete, and adopts the FRP material, can greatly alleviate dead load; The setting of stiffening rib has delayed the cripling of hollow pipe column, has guaranteed that hollow pipe column is to concrete supporting role, has strengthened the collaborative work ability between hollow pipe column and concrete, has also improved the stress performance of hollow pipe column; Therefore can obtain the bending rigidity of larger cross-section by the post limb of reduced size, give full play to material effects, improve bearing capacity, save construction costs; In construction, the internal layer hollow pipe column can be used as the template of concreting, easy construction; Hollow pipe column and the web member internal layer at steel concrete is arranged, be subject to the protection of outer steel reinforced concrete, under fire effect, still can bear larger load, thereby there is good fire resistance; The steel concrete of web member outside has increased the coupling stiffness of post limb greatly, has improved globality and the stability of structure, has effectively suppressed the distortion of web member.Thereby the utility model pipe lattice column can be used as building structure post, bridge pier, power facility tower, equipment frame post, pier etc.。
Although more than described the specific embodiment of the present utility model; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than for the restriction to scope of the present utility model; those of ordinary skill in the art are in modification and the variation of the equivalence of doing according to spirit of the present utility model, all should be encompassed in the scope that claim of the present utility model protects.
Claims (10)
1. a concrete reinforced pipe lattice column, it is characterized in that: comprise at least two hollow pipe columns, every hollow pipe column at least is connected by web member with two adjacent vacant core barrel posts, and the periphery of described hollow pipe column also coats a reinforced concrete post.
2. concrete reinforced pipe lattice column according to claim 1, it is characterized in that: the outer wall of described hollow pipe column is provided with a plurality of stiffening ribs.
3. concrete reinforced pipe lattice column according to claim 2, it is characterized in that: described stiffening rib comprises crossing longitudinal stiffener and hoop stiffening rib, described longitudinal stiffener extends axially to hollow pipe column, and quantity is a plurality of and radially radially distributing along described hollow pipe column; The described hoop gilled rings of putting more energy into is located at the outer wall of described hollow pipe column, and quantity is a plurality of and axially being uniformly distributed along hollow pipe column.
4. concrete reinforced pipe lattice column according to claim 1, it is characterized in that: described hollow pipe column is the FRP hollow pipe column, described web member is the FRP web member.
5. concrete reinforced pipe lattice column according to claim 4, it is characterized in that: described FRP web member is CFRP web member, GFRP web member or AFRP web member.
6. according to the described concrete reinforced pipe lattice column of claim 4 or 5, it is characterized in that: described web member is for being horizontally disposed with, being obliquely installed or level and inclination being arranged alternately.
7. concrete reinforced pipe lattice column according to claim 1, it is characterized in that: described reinforced concrete post comprises layer of concrete, with the vertical muscle and the stirrup that are located at layer of concrete, described vertical muscle is distributed in the periphery of described hollow pipe column and web member, and described stirrup hoop is on the vertical muscle of hollow pipe column periphery.
8. concrete reinforced pipe lattice column according to claim 7, it is characterized in that: described layer of concrete is ordinary concrete layer, high-strength concrete layer, high performance concrete layer, regenerated aggregate concrete layer or light weight aggregate concrete layer.
9. concrete reinforced pipe lattice column according to claim 1, it is characterized in that: described stiffening rib is the FRP stiffening rib.
10. concrete reinforced pipe lattice column according to claim 1, it is characterized in that: the cross section outer contour shape of described hollow pipe column is not necessarily identical with the cross section outer contour shape of reinforced concrete post, and the cross section outer contour shape of hollow pipe column be circular, oval, triangle and polygonal any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320310731 CN203347107U (en) | 2013-05-31 | 2013-05-31 | Reinforced concrete pipe lattice column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320310731 CN203347107U (en) | 2013-05-31 | 2013-05-31 | Reinforced concrete pipe lattice column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203347107U true CN203347107U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320310731 Expired - Fee Related CN203347107U (en) | 2013-05-31 | 2013-05-31 | Reinforced concrete pipe lattice column |
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| Country | Link |
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| CN (1) | CN203347107U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234312A (en) * | 2014-09-29 | 2014-12-24 | 南京工业大学 | Cellular connection plate-three-limb circular steel tube column |
| WO2021056253A1 (en) * | 2019-09-25 | 2021-04-01 | 邹胜斌 | Modular composite lattice column and construction method therefor |
-
2013
- 2013-05-31 CN CN 201320310731 patent/CN203347107U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234312A (en) * | 2014-09-29 | 2014-12-24 | 南京工业大学 | Cellular connection plate-three-limb circular steel tube column |
| WO2021056253A1 (en) * | 2019-09-25 | 2021-04-01 | 邹胜斌 | Modular composite lattice column and construction method therefor |
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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: 20131218 Termination date: 20160531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |