CN105155406B - Hollow thin-walled high pier framework cushion cap and bridge - Google Patents
Hollow thin-walled high pier framework cushion cap and bridge Download PDFInfo
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- CN105155406B CN105155406B CN201510532564.4A CN201510532564A CN105155406B CN 105155406 B CN105155406 B CN 105155406B CN 201510532564 A CN201510532564 A CN 201510532564A CN 105155406 B CN105155406 B CN 105155406B
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- cushion cap
- hollow thin
- walled high
- high pier
- pier
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Abstract
Bridge construction of the present invention, a kind of hollow thin-walled high pier framework cushion cap is provided, including hollow thin-walled high pier, cushion cap seat and some pile foundations, the cushion cap seat includes enclosing successively setting some frames to form framework, the upper end of each pile foundation is supported in the lower surface of each frame, upper surface of the pier shaft of the hollow thin-walled high pier along each frame is set, and each pile foundation is respectively positioned on the underface of the pier shaft of the hollow thin-walled high pier；A kind of bridge, including said frame cushion cap are also provided.In the present invention, cushion cap seat is in frame structure, it, which combines vertical direction with hollow thin-walled high pier, has larger bending strength, allow the load-bearing of hollow thin-walled high pier to be transferred directly to each pedestal, not only cause framework cushion cap that there is stronger weight capacity, and because cushion cap seat is frame structure, concrete square amount during making can be reduced, when being applied on bridge, it is ensured that the stability of bridge, and being capable of Optimizing construction cost and construction period.
Description
Technical field
The present invention relates to bridge construction, more particularly to a kind of hollow thin-walled high pier framework cushion cap and bridge.
Background technology
In current bridge substructure design, hollow thin-walled high pier has that sectional area is small, section modulus is big, from heavy and light,
The characteristics of rigidity of structure and preferable intensity and be widely adopted.But conventional hollow Thin-Wall Piers cap design of pile theory is to utilize cushion cap
Absolute rigidity uniformly transfers pier shaft load to pile foundation, generally using the highly larger solid cushion cap of concrete, and hollow thin-wall
Pier bottom outline planar dimension is larger so that corresponding cushion cap is bulky, constructs more complicated, cost is higher.
The content of the invention
It is an object of the invention to provide a kind of hollow thin-walled high pier framework cushion cap, it is intended to for solving existing hollow thin-wall
Pier cap size is larger, the problem of construction cost is higher.
What the present invention was realized in：
The present invention provides a kind of hollow thin-walled high pier framework cushion cap, including hollow thin-walled high pier, cushion cap seat and some pile foundations, institute
Stating cushion cap seat includes enclosing successively setting some frames to form framework, and the upper end of each pile foundation is supported under each frame
Surface, the upper surface of the pier shaft of the hollow thin-walled high pier along each frame is set, and each pile foundation be respectively positioned on it is described hollow
The underface of the pier shaft of Thin-Wall Piers.
Further, the cushion cap seat also includes at least one connection beam, and the both ends of each connection beam are connected respectively
Two frames being oppositely arranged.
Further, the load bearing wall for separating the hollow thin-walled high pier is vertically arranged with the hollow thin-walled high pier, it is described to hold
The bottom of weight wall is supported in wherein described in one on connection beam.
Specifically, the cushion cap seat is rectangle, and vertically connection is in two frames on long side to each connection beam,
And each connection beam uniform intervals are set.
Further, each pile foundation is divided into two groups, and pile foundation described in two groups supports the cushion cap seat along its length respectively
Two frames of extension, and each group of each pile foundation is along correspondence frame uniform intervals setting.
Specifically, the diameter of each pile foundation is all higher than the pier shaft thickness of the hollow thin-walled high pier.
Specifically, the pier shaft thickness of the hollow thin-walled high pier is less than the thickness of each frame.
The embodiment of the present invention also provides a kind of bridge, including girder, in addition to the hollow thin-walled high pier framework described at least one
Cushion cap, each hollow thin-walled high pier supports the fixed girder.
Further, the length of the cushion cap seat extends perpendicularly to the length bearing of trend of the girder.
The invention has the advantages that：
In the framework cushion cap of the present invention, cushion cap seat, which uses to be enclosed by multiple frames, sets the frame structure formed, each pile foundation support
Cushion cap seat, the pier shaft of cushion cap seat supports hollow thin-walled high pier, and each pile foundation should be respectively positioned on the underface of the pier shaft of hollow thin-walled high pier, lead to
Each pile foundation of connection and hollow thin-walled high pier can be played a part of by crossing cushion cap seat, and be compared using cushion cap seat with hollow thin-walled high pier
Good vertical bending rigidity enables the load-bearing of hollow thin-walled high pier to be transferred in each pile foundation, i.e., the framework cushion cap of this structure can
With the load-bearing of stable support hollow thin-walled high pier, simultaneously because cushion cap seat is frame structure, the height of cushion cap seat can use smaller
Value, can greatly reduce the concrete square amount of cushion cap seat, save construction costs, shorten the duration.By above-mentioned framework cushion cap application
After on bridge, it is ensured that the stability of girder supporting construction, and cost is relatively low.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of hollow thin-walled high pier framework cushion cap provided in an embodiment of the present invention；
Fig. 2 for Fig. 1 hollow thin-walled high pier framework cushion cap A-A to sectional view；
Fig. 3 is the B-B direction sectional view of Fig. 1 hollow thin-walled high pier framework cushion cap；
Hollow thin-walled high pier framework cushion cap and erection of main beam structural representation that Fig. 4 is Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of framework cushion cap 1 of hollow thin-walled high pier 11, including hollow thin-wall
Pier 11, cushion cap seat 12 and some pile bases 13, hollow thin-walled high pier 11 and each pile foundation 13 are vertically arranged, and cushion cap 12 water of seat
It is flat to set, each support of pile foundation 13 cushion cap seat 12, while cushion cap seat 12 supports hollow thin-walled high pier 11, cushion cap seat 12 includes some
Frame 121, each frame 121, which is sequentially connected to enclose, to be set to form framework, is that reinforcing bar coordinates concreting certainly for each frame 121
Formed, each frame 121 is integral, the upper end of each pile foundation 13 is supported in the lower surface of each frame 121, and hollow thin-walled high pier 11
Upper surface of the pier shaft along each frame 121 set, i.e., the upper surface of each frame 121 supports the pier shaft of hollow thin-walled high pier 11, and
After the pier shaft of each pile foundation 13 and hollow thin-walled high pier 11 is connected with cushion cap seat 12, each pile foundation 13 should be respectively positioned on the hollow thin-walled high pier
Immediately below 11 pier shaft.In the present invention, hollow thin-walled high pier 11 above passes through cushion cap seat with underlying each pile foundation 13
12 form stable annexation, and cushion cap seat 12 uses frame structure, and the pier shaft of hollow thin-walled high pier 11 is being set into it
During upper surface, the bending rigidity of both combining structure in the vertical directions is very big, because each pile foundation 13 is located at hollow thin-wall
Immediately below the pier shaft of pier 11, then the load-bearing on hollow thin-walled high pier 11 can be transferred directly to each pile foundation 13 through cushion cap seat 12, and it is not
The absolute rigidity of itself excessive requirement can be produced to cushion cap seat 12, i.e., can be realized to hollow thin using the cushion cap of this structure
The support of load-bearing on wall pier 11, stability is also higher.Certainly when cushion cap seat 12 is fabricated into frame structure, cushion cap seat 12
Thickness answer it is smaller with meet the bending rigidity on vertical direction requirement, so as to greatly reduce cushion cap seat 12 needed for
Concrete square amount, not only saving construction cost, and easy construction shortens the duration.Specifically, cushion cap 12 planar dimensions of seat and height palpus
The anchoring requirement of the reserved steel bar of pile foundation 13 and the pier shaft embedded bar of hollow thin-walled high pier 11 is met, and cushion cap 12 arrangements of reinforcement of seat need to meet sky
The force request of each frame 121 of the pier shaft of heart Thin-Wall Piers 11 and framework composition.
Optimize above-described embodiment, cushion cap seat 12 also includes at least one connection beam 122, the two ends point of each connection beam 122
Lian Jie not two frames 121 for being oppositely arranged.In the present embodiment, at least one connection is had additional in the frame structure of cushion cap seat 12
Binder 122, two frames 121 being oppositely arranged also are attached by each connection beam 122, and it can be similar in cushion cap seat 12
The twigs of the chaste tree are inside set up, and then the intensity of cushion cap 12 frame structures of seat can be strengthened.Should be according to frame for the set-up mode of connection beam 122
The shape of frame structure determines, such as the frame structure of cushion cap seat 12 for it is circular when, then connection beam 122 can be set along its diameter
Put, and when being square structure, then connection beam 122 can be many, each parallel interval of connection beam 122 is set.
Referring to Fig. 1, for said structure, load bearing wall 111 is also vertically arranged with hollow thin-walled high pier 11, the load bearing wall
Hollow-core construction in hollow thin-walled high pier 11 is divided into two parts by 111, and is installed in hollow thin-walled high pier 11 on cushion cap seat 12
Afterwards, the bottom of load bearing wall 111 is supported on a wherein connection beam 122.In the present embodiment, have additional and hold in hollow thin-walled high pier 11
Weight wall 111 is to improve the intensity of hollow thin-walled high pier 11.Due to hollow thin-walled high pier 11 pier shaft along cushion cap seat 12 each frame 121 set
Put, then the cross sectional shape of hollow thin-walled high pier 11 in the horizontal direction is similar with the shape of cushion cap seat 12, and the equipartition of load bearing wall 111 is empty
The boring of heart Thin-Wall Piers 11, accordingly cushion cap seat 12 in a wherein connection beam 122 also divide frame structure, load bearing wall equally
111 just load-bearing on the connection beam 122.Pass through this structure type so that the combination of hollow thin-walled high pier 11 and cushion cap seat 12
The bending rigidity of structure in the vertical direction is further increased, and can effectively improve the load-bearing on hollow thin-walled high pier 11.
Referring to Fig. 3, specifically, cushion cap seat 12 is rectangle, accordingly its have two short frames 121 being oppositely arranged with
And two long margin frames 121 being oppositely arranged, vertical two frames 121 connected in long side of each connection beam 122, and each connection beam
122 uniform intervals are set.In actual applications, the section of cushion cap seat 12 and hollow thin-walled high pier 11 in the horizontal direction is in rectangular
Shape, such as cushion cap 12 length of frame 121 along its length of seat are 1800cm, and the length of frame 121 in the width direction is
705cm, the cushion cap seat 12 of this shape of correspondence, its height is 150cm, when cushion cap seat 12 supports hollow thin-walled high pier 11, to protect
The stability between cushion cap seat 12 and hollow thin-walled high pier 11 is demonstrate,proved, hollow thin-walled high pier 11 will not protrude cushion cap seat 12 in the horizontal direction,
Its length dimension is respectively less than cushion cap seat 12 with width dimensions, and the pier shaft thickness of hollow thin-walled high pier 11 also should be less than each correspondence frame
The pier shaft thickness of 121 width, such as hollow thin-walled high pier 11 is 50cm, then the width of 12 long margin frames 121 of cushion cap seat can be
180cm, the width of short frame 121 can be 140cm, i.e. the width of short frame 121 is smaller than the width of long margin frame 121.Will be each
The uniform intervals of binder 122 are set, and each connection beam 122 is similar to short frame 121, and two long margin frames 121 are carried out even partition by it,
Strengthen the intensity of two long margin frames 121, the width of connection beam 122 can be determined according to its density of setting, such as connection beam 122
When setting more, then its width can be smaller, and it is when setting smaller, and correspondence width also should be larger, and generally directed to said structure
Size, connection beam 122 can be provided with 3, and the width of every can be 100cm, and the thickness of load bearing wall 111 can be with hollow thin-wall
The pier shaft thickness of pier 11 is identical, is also 50cm, less than the width of centre position connection beam 122.
It it is two groups by each 13 points of pile foundation further, two groups of pile foundations 13 support 12 edges of cushion cap seat respectively referring again to Fig. 3
On two frames 121 of length direction, i.e., each pile foundation 13 is respectively supported on two long margin frames 121, and each group of each pile foundation
13 are set along the length direction uniform intervals of correspondence long margin frame 121.In the present embodiment, each pile foundation 13 is refined with respect to cushion cap seat 12
Distribution situation, should not be too small to the diameter of this each pile foundation 13 because each pile foundation 13 needs to support larger load-bearing, and due to
The length of the long margin frame 121 of cushion cap seat 12 is all higher than short frame 121 with width, then each pile foundation 13 can be supported in into two long sides
At frame 121, and each pile foundation 13 on two long margin frames 121 is corresponded, and is the globality of two groups of pile foundations 13 of enhancing, two in addition
A wherein short frame 121 or a wherein connection beam 122 can be corresponded between two corresponding pile bases 13 of long margin frame 121, that is, is existed
Two ends of each short frame 121 and each connection beam 122 are to that should have pile foundation 13, then according to above-mentioned cushion cap seat 12
Size, each long margin frame 121 can be to that should have 5 pile bases 13.Specifically, because each pile foundation 13 is respectively positioned on the pier of hollow thin-walled high pier 11
Immediately below body, to ensure the stability of structure, the diameter of pile foundation 13 should be greater than the thickness of the pier shaft of hollow thin-walled high pier 11, according to upper
The size of cushion cap seat 12 and hollow thin-walled high pier 11 is stated, the diameter of pile foundation 13 can be 150cm, and it is slightly larger than the width of short frame 121
Degree, and less than the width of long margin frame 121, and the edge of the periphery of pile foundation 13 and cushion cap seat 12 has a certain distance, can be
15cm。
Referring to Fig. 4, the embodiment of the present invention also provides a kind of bridge, including girder 2 and at least one above-mentioned framework cushion cap
1, each hollow thin-walled high pier 11 supports and fixes the girder 2.In the present embodiment, above-mentioned framework cushion cap 1 is applied on bridge, and root
According to body of a bridge length to determine the setting number of framework cushion cap 1, the upper end of each hollow thin-walled high pier 11 is enclosed construction, itself and girder
Between 2 fixation is supported by some attachment structures.Using the bridge of this structure, it can not only ensure whole supporting construction
Stability, while difficulty of construction can be reduced, shortens the construction period, additionally it is possible to effectively control construction cost.Further, adopting
During with framework 1 support girder 2 of cushion cap, cushion cap seat 12 length bearing of trend should perpendicular to girder 2 length bearing of trend, formed
Effective support to the width of girder 2, is then spaced and is uniformly arranged multiple framework cushion caps 1 successively along the length direction of girder 2,
Form effective support to the length direction of girder 2.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (6)
1. a kind of hollow thin-walled high pier framework cushion cap, including hollow thin-walled high pier, cushion cap seat and some pile foundations, it is characterised in that：Institute
Stating cushion cap seat includes enclosing successively setting some frames to form framework, and the upper end of each pile foundation is supported under each frame
Surface, the upper surface of the pier shaft of the hollow thin-walled high pier along each frame is set, and each pile foundation be respectively positioned on it is described hollow
The underface of the pier shaft of Thin-Wall Piers, the cushion cap seat also includes at least one connection beam, and the both ends of each connection beam are distinguished
Connect in two frames being oppositely arranged, the hollow thin-walled high pier and be vertically arranged with the load-bearing for separating the hollow thin-walled high pier
Wall, the bottom of the load bearing wall is supported in wherein described in one on connection beam, and the cushion cap seat is rectangle, and each connection beam is equal
Vertical two frames connected in long side, and each connection beam uniform intervals setting, the diameter of the pile foundation should be greater than
The thickness of the pier shaft of the hollow thin-walled high pier, and the diameter of the pile foundation is more than the thickness of short frame and less than the thickness of long margin frame
Degree.
2. hollow thin-walled high pier framework cushion cap as claimed in claim 1, it is characterised in that：Each pile foundation is divided into two groups, two groups
The pile foundation supports two frames that the cushion cap seat extends along its length respectively, and each group of each pile foundation is equal
Set along the correspondence frame uniform intervals.
3. hollow thin-walled high pier framework cushion cap as claimed in claim 1, it is characterised in that：The diameter of each pile foundation is all higher than institute
State the pier shaft thickness of hollow thin-walled high pier.
4. hollow thin-walled high pier framework cushion cap as claimed in claim 1, it is characterised in that：The pier shaft thickness of the hollow thin-walled high pier
Less than the thickness of each frame.
5. a kind of bridge, including girder, it is characterised in that：Also include at least one hollow as described in claim any one of 1-4
Thin-Wall Piers framework cushion cap, each hollow thin-walled high pier supports the fixed girder.
6. bridge as claimed in claim 5, it is characterised in that：The length of the cushion cap seat extends perpendicularly to the girder
Length bearing of trend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510532564.4A CN105155406B (en) | 2015-08-27 | 2015-08-27 | Hollow thin-walled high pier framework cushion cap and bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510532564.4A CN105155406B (en) | 2015-08-27 | 2015-08-27 | Hollow thin-walled high pier framework cushion cap and bridge |
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| Publication Number | Publication Date |
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| CN105155406A CN105155406A (en) | 2015-12-16 |
| CN105155406B true CN105155406B (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510532564.4A Active CN105155406B (en) | 2015-08-27 | 2015-08-27 | Hollow thin-walled high pier framework cushion cap and bridge |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869032B (en) * | 2017-02-27 | 2018-12-07 | 中铁十九局集团有限公司 | A kind of bridge bearing platform constructing tie beam method |
| CN108374425B (en) * | 2018-02-09 | 2023-12-22 | 中交二航局第四工程有限公司 | Bearing platform and foundation pit cushion layer construction structure and pouring method thereof |
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| CN101074554A (en) * | 2007-06-15 | 2007-11-21 | 四川省交通厅公路规划勘察设计研究院 | Steel-pipe concrete assembled pier |
| CN201817771U (en) * | 2010-04-15 | 2011-05-04 | 上海建工（集团）总公司 | Anchor ear for bridge deepwater pile foundation construction |
| CN203795291U (en) * | 2014-03-27 | 2014-08-27 | 广州瀚阳工程咨询有限公司 | Bearing-free prestressed concrete continuous rigid frame bridge with single-wall piers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3768220B2 (en) * | 2004-04-02 | 2006-04-19 | 山川建設株式会社 | Pier structure and pier |
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2015
- 2015-08-27 CN CN201510532564.4A patent/CN105155406B/en active Active
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|---|---|---|---|---|
| CN101074554A (en) * | 2007-06-15 | 2007-11-21 | 四川省交通厅公路规划勘察设计研究院 | Steel-pipe concrete assembled pier |
| CN201817771U (en) * | 2010-04-15 | 2011-05-04 | 上海建工（集团）总公司 | Anchor ear for bridge deepwater pile foundation construction |
| CN203795291U (en) * | 2014-03-27 | 2014-08-27 | 广州瀚阳工程咨询有限公司 | Bearing-free prestressed concrete continuous rigid frame bridge with single-wall piers |
Non-Patent Citations (2)
| Title |
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| "大跨径高墩连续刚构桥悬臂施工过程中地震响应研究";徐小童;《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》;20140315(第03期);第32页第3-5行、附图3.1 * |
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