CN202626821U - Shock-resistance reinforcing bar structure of pier column - Google Patents
Shock-resistance reinforcing bar structure of pier column Download PDFInfo
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- CN202626821U CN202626821U CN 201220163236 CN201220163236U CN202626821U CN 202626821 U CN202626821 U CN 202626821U CN 201220163236 CN201220163236 CN 201220163236 CN 201220163236 U CN201220163236 U CN 201220163236U CN 202626821 U CN202626821 U CN 202626821U
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- stirrup
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- pier stud
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- reinforcement structure
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Abstract
The utility model discloses a shock-resistance reinforcing bar structure of a pier column. The shock-resistance reinforcing bar structure at least comprises a plurality of longitudinally-arranged longitudinal reinforcing steel bars. Outer sides of the longitudinal reinforcing steel bars are provided with a plurality of layers of outer-side stirrups which are transversely arranged. Inner sides of the outer-side stirrups are transversely provided with inner-side stirrups. A plurality of pulling and connecting reinforcing steel bars are arranged between the outer-side stirrups and the inner-side stirrups. According to the shock-resistance reinforcing bar structure, the inner-side stirrups are arranged on the inner sides of the outer-side stirrups, and then the intensive pulling and connecting reinforcing steel bars are supplemented to connect the outer-side stirrups and the inner-side stirrups, together with the longitudinal reinforcing steel bars, to form a whole reinforcing steel bar framework of the pier column, and therefore load bearing ability of the pier column is improved, and ductility requirements are satisfied. Not only are requirements of the pier column for the design of shock resistance and ductility are satisfied, but also concrete pouring of the pier column is facilitated.
Description
Technical field
The utility model relates to the pillarwork technical field, relates in particular to a kind of antidetonation reinforcement structure of pier stud.
Background technology
In the road and bridge design field, the design scheme of existing pier stud reinforcement structure can both meet the requirement of old seismic design detailed rules and regulations.But along with the development of society, especially after the violent earthquake, the requirement of seismic design is greatly improved.Regulation among up-to-date " highway bridge seismic design detailed rules and regulations " (the JTG/T B02-01-2008): the distance between the pier stud longitudinal reinforcement should not surpass 20 centimetres, at least whenever fixes at a distance from a longitudinal reinforcement application stirrup or lacing wire.As shown in Figure 1, the requirement on this reinforcement structure can guarantee longitudinal reinforcement 1 and side direction stirrup 2 or laterally form a whole skeleton between the lacing wire 3.When concrete 4 receives compression swelling; Longitudinal reinforcement 1 also can receive the pressure of concrete 4; At this moment these side direction stirrups 2 or horizontal lacing wire 3 just can give longitudinal reinforcement 1 one effect of contraction power, thereby when the concrete pier stud satisfies requirement for bearing capacity, guarantees the ductility of concrete pier stud.
In the tensility shock-resistant design of pier stud, need dispose horizontal lacing wire to pier stud according to the requirement of above standard.But after the design specifications design according to above-mentioned " at least whenever fixing with stirrup or lacing wire " at a distance from a longitudinal reinforcement; Again referring to shown in Figure 1; Laterally the spacing of lacing wire 3 can be less than 40 centimetres; This can have influence on the concrete pouring (therefore the external diameter of concrete vibrations head can't see through horizontal lacing wire 3 grids and stretch into inside generally all greater than 40 centimetres) of pier stud.If but disposed horizontal lacing wire 3 not according to design specifications, then will significantly weaken the deformability of pier stud in the plastic hinge position.Therefore, after new earthquake resistant design code was implemented, this had formed insurmountable contradiction aspect two to original pier stud reinforcement structure in structure design, construction process requirement.
Therefore, those skilled in the art is devoted to develop a kind of antidetonation reinforcement structure of the pier stud of being convenient to construct.
The utility model content
Because the above-mentioned defective of prior art, the utility model technical problem to be solved provides a kind of antidetonation reinforcement structure of the pier stud of being convenient to construct.
For realizing above-mentioned purpose, the utility model provides a kind of antidetonation reinforcement structure of pier stud, comprises the longitudinal reinforcement of a plurality of vertical settings at least, and the arranged outside of said longitudinal reinforcement has the outside stirrup of multilayer horizontally set; The inboard of said outside stirrup is horizontally arranged with inboard stirrup; Be provided with a plurality of reinforcing bars that socket between said outside stirrup and the said inboard stirrup.
Preferably, said inboard stirrup is near said outside stirrup, away from the center line of pier stud.
Preferably, the said longitudinal reinforcement of a plurality of vertical settings surround formation the cross section for circular.
Preferably, said outside stirrup, said inboard stirrup are circular configuration.
Preferably, to surround the cross section of formation be rectangle to the said longitudinal reinforcement of a plurality of vertical settings.
Preferably, said outside stirrup is a rectangular configuration.
Preferably, said inboard stirrup is made up of the first inboard stirrup, the second inboard stirrup, the 3rd inboard stirrup, the 4th inboard stirrup; The said first inboard stirrup, the said second inboard stirrup, the said the 3rd inboard stirrup, the said the 4th inboard stirrup respectively with the corresponding setting in each limit of the said outside stirrup of rectangular configuration.
Preferably, the said reinforcing bar that sockets is fixedly connected with said inboard stirrup, said outside stirrup respectively through welding manner.
Preferably, the said at least one end that sockets reinforcing bar is provided with hook.
Preferably, the said reinforcing bar that sockets is fixedly connected with said inboard stirrup, said outside stirrup respectively through the hook mode.
The beneficial effect of the utility model is:
The antidetonation reinforcement structure of the pier stud of the utility model, the inboard through the stirrup in the outside is provided with inboard stirrup, is aided with the intensive reinforcing bar that sockets again outside stirrup and inboard stirrup are connected, and with longitudinal reinforcement, forms the whole cage of reinforcement of pier stud.When the concrete compression lateral expansion, during the longitudinal reinforcement pressurized, outside stirrup, inboard stirrup have been guaranteed the effect of contraction of core concrete all to the longitudinal reinforcement constraint, have improved bearing capacity, satisfy the ductility requirement.In this simultaneously, because inboard stirrup away from the center line of pier stud, is reserved the affected space of up/down perforation in the central area of pier stud, favourable construction guarantees construction quality.
The utility model disposes the intensive mode that sockets reinforcing bar again according to inside and outside stirrup and disposes pier stud plastic hinge stirrup; Greatly improved the deformability of pier stud areas of plasticity hinge; The deformability under the dynamic action particularly; Improve anti-seismic performance, both satisfied the anti-earthquake ductility designing requirement of pier stud, made things convenient for the concrete pouring of pier stud again.
Below will combine accompanying drawing that the technique effect of design, concrete structure and the generation of the utility model is described further, with purpose, characteristic and the effect of understanding the utility model fully.
Description of drawings
Fig. 1 is the cross-sectional configuration sketch map of the antidetonation reinforcement structure of existing a kind of pier stud.
Fig. 2 is the cross-sectional configuration sketch map of a specific embodiment of the utility model.
Fig. 3 is the longitudinal plane structure sketch map of Fig. 2.
Fig. 4 is the cross-sectional configuration sketch map of the another specific embodiment of the utility model.
The specific embodiment
Like Fig. 2, shown in Figure 3; Antidetonation reinforcement structure one specific embodiment of the pier stud of the utility model; At least the longitudinal reinforcement 1 that comprises a plurality of vertical settings, the arranged outside of longitudinal reinforcement 1 have the outside stirrup 2 of multilayer horizontally set, and the inboard of outside stirrup 2 is horizontally arranged with inboard stirrup 3.Inboard stirrup 3 is near outside stirrup 2, away from the center line of pier stud.
In the present embodiment, the longitudinal reinforcement 1 of a plurality of vertical settings surrounds the cross section of formation for circular.Outside stirrup 2, inboard stirrup 3 are circular configuration.
Be provided with a plurality of reinforcing bars 5 that socket between outside stirrup 2 and the inboard stirrup 3.The two ends that socket reinforcing bar 5 are provided with hook.Socketing reinforcing bar 2 is fixedly connected with inboard stirrup 3, outside stirrup 2 respectively through the hook mode.
The said structure of the utility model has at first guaranteed the intensity of whole cage of reinforcement.On this basis, when the concrete compression lateral expansion, during the longitudinal reinforcement pressurized, outside stirrup, inboard stirrup have been guaranteed the effect of contraction of core concrete all to the longitudinal reinforcement constraint, have improved bearing capacity, satisfy the ductility requirement.In this simultaneously, because inboard stirrup away from the center line of pier stud, is reserved the affected space of up/down perforation in the central area of pier stud, favourable construction guarantees construction quality.
As shown in Figure 4, the cross section that another specific embodiment of the utility model, the longitudinal reinforcement 1 of a plurality of vertical settings surround formation is a rectangle.Outside stirrup 2 is a rectangular configuration.The longitudinal section sectional structure sketch map of present embodiment can be referring to Fig. 3.
Inboard stirrup 3 is made up of the first inboard stirrup, the second inboard stirrup, the 3rd inboard stirrup, the 4th inboard stirrup.The first inboard stirrup, the second inboard stirrup, the 3rd inboard stirrup, the 4th inboard stirrup respectively with each bar limit corresponding setting each other of the outside stirrup 2 of rectangular configuration, also away from the center line of pier stud.
In the present embodiment, socket reinforcing bar 5 and also be hook and outside stirrup 2 through two ends, inboard stirrup 3 respectively hook fix.
In other embodiments, socket reinforcing bar and can also pass through welding manner, be fixedly connected with inboard stirrup, outside stirrup respectively.
The utility model disposes the intensive mode that sockets reinforcing bar again according to inside and outside stirrup and disposes pier stud plastic hinge stirrup; Greatly improved the deformability of pier stud areas of plasticity hinge; The deformability under the dynamic action particularly; Improve anti-seismic performance, both satisfied the anti-earthquake ductility designing requirement of pier stud, made things convenient for the concrete pouring of pier stud again.
More than describe the preferred embodiment of the utility model in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can make many modifications and variation according to the design of the utility model.Therefore, all technician in the art according to the design of the utility model on the basis of existing technology through the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in determined protection domain by claims.
Claims (10)
1. the antidetonation reinforcement structure of a pier stud comprises the longitudinal reinforcement of a plurality of vertical settings at least, and the arranged outside of said longitudinal reinforcement has the outside stirrup of multilayer horizontally set; It is characterized in that: the inboard of said outside stirrup is horizontally arranged with inboard stirrup; Be provided with a plurality of reinforcing bars that socket between said outside stirrup and the said inboard stirrup.
2. the antidetonation reinforcement structure of pier stud as claimed in claim 1, it is characterized in that: said inboard stirrup is near said outside stirrup, away from the center line of pier stud.
3. the antidetonation reinforcement structure of pier stud as claimed in claim 1 is characterized in that: the said longitudinal reinforcement of a plurality of vertical settings surrounds the cross section of formation for circular.
4. the antidetonation reinforcement structure of pier stud as claimed in claim 3, it is characterized in that: said outside stirrup, said inboard stirrup are circular configuration.
5. the antidetonation reinforcement structure of pier stud as claimed in claim 1, it is characterized in that: the cross section that the said longitudinal reinforcement of a plurality of vertical settings surrounds formation is a rectangle.
6. the antidetonation reinforcement structure of pier stud as claimed in claim 5, it is characterized in that: said outside stirrup is a rectangular configuration.
7. the antidetonation reinforcement structure of pier stud as claimed in claim 6, it is characterized in that: said inboard stirrup is made up of the first inboard stirrup, the second inboard stirrup, the 3rd inboard stirrup, the 4th inboard stirrup;
The said first inboard stirrup, the said second inboard stirrup, the said the 3rd inboard stirrup, the said the 4th inboard stirrup respectively with the corresponding setting in each limit of the said outside stirrup of rectangular configuration.
8. like the antidetonation reinforcement structure of the arbitrary described pier stud of claim 1-7, it is characterized in that: the said reinforcing bar that sockets is fixedly connected with said inboard stirrup, said outside stirrup respectively through welding manner.
9. like the antidetonation reinforcement structure of the arbitrary described pier stud of claim 1-7, it is characterized in that: the said at least one end that sockets reinforcing bar is provided with hook.
10. the antidetonation reinforcement structure of pier stud as claimed in claim 9 is characterized in that: the said reinforcing bar that sockets is fixedly connected with said inboard stirrup, said outside stirrup respectively through the hook mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220163236 CN202626821U (en) | 2012-04-17 | 2012-04-17 | Shock-resistance reinforcing bar structure of pier column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220163236 CN202626821U (en) | 2012-04-17 | 2012-04-17 | Shock-resistance reinforcing bar structure of pier column |
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| Publication Number | Publication Date |
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| CN202626821U true CN202626821U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220163236 Expired - Fee Related CN202626821U (en) | 2012-04-17 | 2012-04-17 | Shock-resistance reinforcing bar structure of pier column |
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| CN (1) | CN202626821U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105625187A (en) * | 2015-12-31 | 2016-06-01 | 浙江舜杰建筑集团股份有限公司 | Method for constructing concrete for large-section inclined column |
| CN108193590A (en) * | 2017-12-15 | 2018-06-22 | 华侨大学 | A kind of bridge pier structure and joining method of segmented splicing |
| CN111254826A (en) * | 2020-03-26 | 2020-06-09 | 浙江德林建设有限公司 | Construction method of municipal bridge prefabricated slab |
-
2012
- 2012-04-17 CN CN 201220163236 patent/CN202626821U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105625187A (en) * | 2015-12-31 | 2016-06-01 | 浙江舜杰建筑集团股份有限公司 | Method for constructing concrete for large-section inclined column |
| CN108193590A (en) * | 2017-12-15 | 2018-06-22 | 华侨大学 | A kind of bridge pier structure and joining method of segmented splicing |
| CN108193590B (en) * | 2017-12-15 | 2023-10-31 | 华侨大学 | Pier structure with sectional splicing function and splicing method |
| CN111254826A (en) * | 2020-03-26 | 2020-06-09 | 浙江德林建设有限公司 | Construction method of municipal bridge prefabricated slab |
| CN111254826B (en) * | 2020-03-26 | 2021-11-05 | 浙江德林建设有限公司 | Construction method of municipal bridge prefabricated slab |
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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: 20121226 Termination date: 20210417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |