CN102261186A - Confined concrete box column structure and manufacturing method thereof - Google Patents
Confined concrete box column structure and manufacturing method thereof Download PDFInfo
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- CN102261186A CN102261186A CN 201010187401 CN201010187401A CN102261186A CN 102261186 A CN102261186 A CN 102261186A CN 201010187401 CN201010187401 CN 201010187401 CN 201010187401 A CN201010187401 A CN 201010187401A CN 102261186 A CN102261186 A CN 102261186A
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Abstract
The invention discloses a confined concrete box column structure and a manufacturing method thereof. The manufacturing method is characterized in that when a rectangular framework of column structure is manufactured, at least more than two stirrup layers consisting of oblong stirrups are manufactured on longitudinal reinforcement; a big rectangle is formed on each stirrup layer by superimposing four oblong stirrups end to end; rectangular grids are formed in the superimposition positions of every two oblong stirrups; at least a small square stirrup is connected in each oblong stirrup; the longitudinal reinforcement is connected at the four corners of each rectangular grid and each small square stirrup respectively, thus forming the framework with box confining regions; and then the concrete columns are cast by the traditional concrete casting method and the concrete of the concrete columns fully fills and wraps the whole framework, thus manufacturing the confined concrete box column. The confined concrete box column structure has the advantage of higher torque resistance capability.
Description
Technical field
The present invention relates to a kind of for buildingConfined concrete box column structure and preparation method
, belong to the reinforced concrete technology field.
Background technology
Concrete column has been widely used in the building, at present, the preparation method that concrete column of the prior art generally adopts is that the longitudinal reinforcement that will be parallel to the concrete column center line is distributed in the cross section of concrete column by equally distributed mode, be one with itself and concreting then, thereby form the concrete column with certain intensity, the concrete column of this structure exists the shortcoming that the reinforced binding zone too disperses, anti-twisting property is relatively poor.Therefore its result of use still is not ideal enough.
Summary of the invention
The objective of the invention is: provide a kind of bearing capacity height, ductility good, strong confined concrete box column structure and the preparation method of anti-twisting property simultaneously with the usefulness of giving full play to range constraint and reduce material consumption, thereby overcomes the deficiencies in the prior art.
The preparation method of a kind of confined concrete box column of the present invention that is achieved in that of the present invention comprises the skeleton that adopts existing longitudinal reinforcement and rectangle stirrup to make the rectangle column structure, when making the skeleton of rectangle column structure, at the stirrup layer of producing at least on the longitudinal reinforcement more than 2 layers of forming by the rectangle stirrup, every layer of stirrup layer is superimposed with each other from beginning to end by 4 rectangle stirrups and forms a large rectangle, superimposed place at per two rectangle stirrups forms the little grid of rectangle, and in each rectangle stirrup, be connected with little side's stirrup at least, on four angles of the little grid of each rectangle and each little side's stirrup, all be connected with respectively one with the parallel longitudinal reinforcement of concrete column length direction center line, can form skeleton like this with box confining region, and then build out concrete column by the mode of traditional concreting, the concrete that makes concrete column is with all longitudinal reinforcements, the skeleton that rectangle stirrup and little side's stirrup are formed is all filled full and is wrapped, and can make the confined concrete box column like this.
A kind of confined concrete box column structure according to method making of the present invention, comprise longitudinal reinforcement, rectangle stirrup and the concrete column that longitudinal reinforcement and rectangle stirrup are wrapped, on longitudinal reinforcement, be connected with the stirrup layer of forming by the rectangle stirrup, every layer of stirrup layer is superimposed with each other from beginning to end by 4 rectangle stirrups and forms the large rectangle that an energy is all wrapped by concrete column, be formed with the little grid of rectangle at the superimposed place of per two rectangle stirrups, and in each rectangle stirrup, be connected with little side's stirrup at least, on four angles of the little grid of each rectangle and each little side's stirrup, all be connected with a longitudinal reinforcement respectively, every longitudinal reinforcement is parallel to each other, and all is wrapped in the concrete column.
At the stirrup layer of forming by the rectangle stirrup that is connected with at least on the above-mentioned longitudinal reinforcement more than 2 layers.
Above-mentioned little side's stirrup be shaped as square or rectangular, and connect as one by mode and the rectangle stirrup of tying up.
The cross sectional shape of above-mentioned concrete column is a square or rectangular.
Since adopted technique scheme, the present invention be on the basis of existing region constrained concrete post, improve and a kind of new structure form.Longitudinal reinforcement and the rectangle stirrup of the present invention by being provided with along the post periphery, and in every layer of stirrup layer, form the little grid of rectangle and in each rectangle stirrup, be connected little side's stirrup at least at the superimposed place of per two rectangle stirrups, the little grid of rectangle that 4 longitudinal reinforcements that are in each bight, zonule are so all formed by the rectangle stirrup or little side's stirrup surround and tie up and be formed as one little reinforcing cage, so promptly form little constraint (shown in Fig. 1 bend dash area), per 2～5 little reinforcing cages are all surrounded by the rectangle stirrup and band together formation box-shaped reinforcing cage with other rectangle stirrup, be that these little constraints are connected by therebetween rectangle stirrup again and form a box-shaped reinforced binding zone (shown in the part of the diagonal line hatches among Fig. 2), this box confining region forms constraint to core concrete again.Thereby form a complete confined concrete box column as the box component formula, this confined concrete box column forms the stress morphology just like box component, its opposing moment of torsion of the structure of this box component formula no longer is simple antitorque reinforcing bar (longitudinal reinforcement and stirrup), but the box-shaped that periphery forms.Box-shaped constraint post of the present invention has kept traditional area confined concrete post strong constraint zone to be positioned at the characteristics of member periphery, and the anti-twisting property of post is greatly improved.Through test, the anti-twisting property of confined concrete box column structure of the present invention is higher 2～3 times than the anti-twisting property of the traditional area confined concrete rod structure of the identical steel using amount of same size.Therefore, the present invention compared with prior art, the present invention has bearing capacity height, ductility and reaches the strong advantage of anti-twisting property well.Because the raising of combination property, form of structure of the present invention has a good application prospect in the heavy in section.
Description of drawings
Fig. 1 is the schematic cross-section of confined concrete box column structure of the present invention (figure bend dash area represent form little constraint);
Fig. 2 is formed box-shaped constraint schematic diagram by confined concrete box column of the present invention;
Fig. 3 is a rectangle stirrup structural representation of the present invention;
Fig. 4 is little side's stirrup structural representation of the present invention;
Fig. 5 is provided with the hollow structural representation of hollow during for the heavy in section for confined concrete box column of the present invention.
The specific embodiment
Below, the present invention is described in further detail in conjunction with the accompanying drawings and embodiments.
Embodiments of the invention: during making, earlier produce rectangle stirrup 2 by traditional mode, then the skeleton of confined concrete box column of the present invention is made the skeleton of rectangle column structure by the mode of prior art, when making the skeleton of rectangle column structure, (quantity of stirrup layer can determine that general long more its number of plies of length of making is just many more according to the length and the intensity of the confined concrete box column of required making producing the stirrup layer of being made up of rectangle stirrup 2 more than 2 layers or 2 layers on the longitudinal reinforcement 1 at least; Requirement of strength is high more, its number of plies is also many more), every layer of stirrup layer is superimposed with each other by 4 rectangle stirrups 2 head and the tail and forms a large rectangle, superimposed place at per two rectangle stirrups 2 forms the little grid of rectangle, and connecting little side's stirrup 3(in each rectangle stirrup 2 at least can determine according to the needs that use in the quantity that each rectangle stirrup 2 connects little side's stirrup 3, generally speaking by 2～10 little side's stirrups 3 of equidistant connection), then all be connected respectively on four angles of the little grid of each rectangle and each little side's stirrup 3 one with the parallel longitudinal reinforcement 1 of concrete column 4 length direction center lines, can form skeleton like this with box confining region, and then build out concrete column 4 by the mode of traditional concreting, the concrete that makes concrete column 4 is with all longitudinal reinforcements 1, the skeleton that rectangle stirrup 2 and little side's stirrup 3 are formed is all filled full and is wrapped, and can make the confined concrete box column like this.
A kind of confined concrete box column structure of making according to method of the present invention comprises longitudinal reinforcement 1, rectangle stirrup 2 and the concrete column 4 that longitudinal reinforcement 1 and rectangle stirrup 2 are wrapped, be connected with the stirrup layer formed by rectangle stirrup 2 on the longitudinal reinforcement 1 more than at least 2 layers or 2 layers, every layer of stirrup layer is distributed on the longitudinal reinforcement 1 in parallel to each other, every layer of stirrup layer is superimposed with each other by 4 rectangle stirrups, 2 head and the tail and forms the large rectangle (as shown in Figure 1) that an energy is all wrapped by concrete column 4, be formed with the little grid of rectangle at the superimposed place of per two rectangle stirrups 2, and in each rectangle stirrup 2, be connected with little side's stirrup 3 at least, little side's stirrup 3 be shaped as square or rectangular, all be connected with a longitudinal reinforcement 1 respectively on four angles of the little grid of each rectangle and each little side's stirrup 3, every longitudinal reinforcement 1 is parallel to each other, and it is parallel with the center line of concrete column 4 length directions, and make longitudinal reinforcement 1, the skeleton that rectangle stirrup 2 and little side's stirrup 3 are formed all is wrapped in the concrete of concrete column 4, and the cross sectional shape of its concrete column 4 can be square or rectangular.The connected mode of longitudinal reinforcement 1, rectangle stirrup 2 and little side's stirrup 3 can adopt traditional mode of tying up to be connected.
When the cross section of the confined concrete box column of making is big, because the center concrete usefulness performance of post is insufficient, can throw the reins to, perhaps find time, so form box column section type (as shown in Figure 5) with hollow hollow 5, simultaneously, the hollow post center of hollow can be used as the passage of pipeline, to bring into play the usefulness of range constraint to greatest extent.
Claims (5)
1. the preparation method of a confined concrete box column, comprise the skeleton that adopts longitudinal reinforcement (1) and rectangle stirrup (2) to make the rectangle column structure, it is characterized in that: when making the skeleton of rectangle column structure, on longitudinal reinforcement (1), produce the stirrup layer of forming by rectangle stirrup (2) more than 2 layers at least, every layer of stirrup layer is superimposed with each other by 4 rectangle stirrups (2) head and the tail and forms a large rectangle, superimposed place at per two rectangle stirrups (2) forms the little grid of rectangle, and in each rectangle stirrup (2), be connected with little side's stirrup (3) at least, all be connected with a longitudinal reinforcement (1) respectively on four angles of the little grid of each rectangle and each little side's stirrup (3), every longitudinal reinforcement (1) is all parallel with the center line of concrete column (4) length direction, can form skeleton like this with box confining region, and then build out concrete column (4) by the mode of traditional concreting, the concrete that makes concrete column (4) is with all longitudinal reinforcements (1), the skeleton that rectangle stirrup (2) and little side's stirrup (3) are formed is all filled full and is wrapped, and can make the confined concrete box column like this.
2. confined concrete box column structure, comprise longitudinal reinforcement (1), rectangle stirrup (2) and the concrete column (4) that longitudinal reinforcement (1) and rectangle stirrup (2) are wrapped, it is characterized in that: on longitudinal reinforcement (1), be connected with the stirrup layer of forming by rectangle stirrup (2), every layer of stirrup layer is superimposed with each other by 4 rectangle stirrups (2) head and the tail and forms the large rectangle that an energy is all wrapped by concrete column (4), be formed with the little grid of rectangle at the superimposed place of per two rectangle stirrups (2), and in each rectangle stirrup (2), be connected with little side's stirrup (3) at least, on four angles of the little grid of each rectangle and each little side's stirrup (3), all be connected with a longitudinal reinforcement (1) respectively, every longitudinal reinforcement (1) is parallel to each other, and all is wrapped in concrete column in (4).
3. confined concrete box column structure according to claim 2 is characterized in that: be connected with the stirrup layer of being made up of rectangle stirrup (2) more than 2 layers on longitudinal reinforcement (1) at least.
4. confined concrete box column structure according to claim 2 is characterized in that: little side's stirrup (3) be shaped as square or rectangular, and connect as one by mode and the rectangle stirrup of tying up (2).
5. confined concrete box column structure according to claim 2 is characterized in that: the cross sectional shape of concrete column (4) is a square or rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010187401 CN102261186A (en) | 2010-05-31 | 2010-05-31 | Confined concrete box column structure and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010187401 CN102261186A (en) | 2010-05-31 | 2010-05-31 | Confined concrete box column structure and manufacturing method thereof |
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| CN102261186A true CN102261186A (en) | 2011-11-30 |
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| CN 201010187401 Pending CN102261186A (en) | 2010-05-31 | 2010-05-31 | Confined concrete box column structure and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433993A (en) * | 2011-12-12 | 2012-05-02 | 中冶建工集团有限公司 | Construction process for precast porous columns |
| CN102535842A (en) * | 2011-12-12 | 2012-07-04 | 中冶建工集团有限公司 | Construction process of prefabricated column construction component |
| CN102619164A (en) * | 2012-04-17 | 2012-08-01 | 上海市城市建设设计研究总院 | Quake-proof reinforcing bar structure of pier column |
| CN103184781A (en) * | 2011-12-28 | 2013-07-03 | 贵州大学 | Pre-stress confined concrete member and manufacturing method thereof |
| CN105442757A (en) * | 2015-11-05 | 2016-03-30 | 广西巨邦科技有限公司 | Pouring steel member for building support girder |
| CN105672572A (en) * | 2016-03-18 | 2016-06-15 | 广西大学 | Multi-bundle-shaped ultra-high-performance concrete constraint common concrete L-shaped column and L-shaped short-leg shear wall |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730859A (en) * | 2005-08-29 | 2006-02-08 | 贵州大学 | Region constrained concrete structure design method |
| CN2844274Y (en) * | 2005-11-16 | 2006-12-06 | 贵州大学 | Reinforced concrete pillar |
| CN201671228U (en) * | 2010-05-31 | 2010-12-15 | 贵州大学 | Confined concrete box column structure |
-
2010
- 2010-05-31 CN CN 201010187401 patent/CN102261186A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730859A (en) * | 2005-08-29 | 2006-02-08 | 贵州大学 | Region constrained concrete structure design method |
| CN2844274Y (en) * | 2005-11-16 | 2006-12-06 | 贵州大学 | Reinforced concrete pillar |
| CN201671228U (en) * | 2010-05-31 | 2010-12-15 | 贵州大学 | Confined concrete box column structure |
Non-Patent Citations (1)
| Title |
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| 《建筑结构》 20060630 曹新明,曹鹏程,朱国良 区域约束混凝土性能试验研究 , * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433993A (en) * | 2011-12-12 | 2012-05-02 | 中冶建工集团有限公司 | Construction process for precast porous columns |
| CN102535842A (en) * | 2011-12-12 | 2012-07-04 | 中冶建工集团有限公司 | Construction process of prefabricated column construction component |
| CN103184781A (en) * | 2011-12-28 | 2013-07-03 | 贵州大学 | Pre-stress confined concrete member and manufacturing method thereof |
| CN102619164A (en) * | 2012-04-17 | 2012-08-01 | 上海市城市建设设计研究总院 | Quake-proof reinforcing bar structure of pier column |
| CN105442757A (en) * | 2015-11-05 | 2016-03-30 | 广西巨邦科技有限公司 | Pouring steel member for building support girder |
| CN105672572A (en) * | 2016-03-18 | 2016-06-15 | 广西大学 | Multi-bundle-shaped ultra-high-performance concrete constraint common concrete L-shaped column and L-shaped short-leg shear wall |
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Application publication date: 20111130 |