CN200967925Y - Improved structure of bridge abutment - Google Patents

Improved structure of bridge abutment Download PDF

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Publication number
CN200967925Y
CN200967925Y CN 200620160406 CN200620160406U CN200967925Y CN 200967925 Y CN200967925 Y CN 200967925Y CN 200620160406 CN200620160406 CN 200620160406 CN 200620160406 U CN200620160406 U CN 200620160406U CN 200967925 Y CN200967925 Y CN 200967925Y
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CN
China
Prior art keywords
bridge pier
main body
improved
diversion division
water conservancy
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Expired - Fee Related
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CN 200620160406
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Chinese (zh)
Inventor
李文正
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Individual
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Individual
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Priority to CN 200620160406 priority Critical patent/CN200967925Y/en
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Publication of CN200967925Y publication Critical patent/CN200967925Y/en
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Abstract

The utility model discloses an improved structure for pier. The improved structure includes at least one main body and a diversion slope. The main body comprises a pier column and at least one diversion part. The diversion part is arranged at one side of the pier column to reduce vortex. The diversion slope is connectedly arranged at the bottom part of each main body. The utility model can effectively avoid the bottom part of the main body from scouring and increase the structure intensity of each main body.

Description

The structure-improved of bridge pier
Technical field
The utility model relates to a kind of structure-improved of bridge pier, be particularly related to and utilize at least one main body to comprise at least one diversion division, and link the respectively bottom of this main body via water conservancy diversion slope, washed in a pan empty and strengthen the structure-improved of the bridge pier of this agent structure intensity with the bottom that prevents this main body.
Background technology
Existing bridge pier structure please refer to shown in Fig. 1,2, and its profile is generally a cylinder.It is to form through steps such as river shunting, piling, group formwork erection version, grouting, solidification forming and sandstone backfill are set up, so that support the structure of bridge floor.
Referring again to shown in Figure 1, when current a flow to the upstream face 11 of cylindric bridge pier 1, because these current a is subjected to the drag effects of the upstream face 11 of this cylindric bridge pier 1, cause the upstream face 11 wall side direction current downflow of these current a, and form eddy current b in the bottom, riverbed that this cylindric bridge pier 1 is stood along this cylindric bridge pier 1.Referring again to shown in Figure 2, when these current a flows through this cylindric bridge pier 1,, cause these current a to form eddy current c in the back side 12 of this cylindric bridge pier 1 because these current a is subjected to the drag effects of two opposite side faces of this cylindric bridge pier 1.
Generally speaking, above-mentioned existing bridge pier structure has following shortcoming, for example: when these current a flows through this cylindric bridge pier 1, because this cylindric bridge pier 1 can't effectively be cut water, shunting and water conservancy diversion, so via the formed eddy current b of the resistance of this cylindric bridge pier 1, to around the bottom of this cylindric bridge pier 1, wash away and wash in a pan the native stone of empty this bottom, riverbed gradually, and will cause this bottom, riverbed to form pit and cause the bottom of this cylindric bridge pier 1 exposed through washing away for a long time of current.If through the big stroke of flood, even may cause this cylindric bridge pier 1 to sink, cause the situation of bridge floor fracture.Also have, this cylindric bridge pier 1 all is independently to be arranged in the riverbed individually, and the adjacent respectively bottom of this cylindric bridge pier 1 there is no binding, causes the respectively structural strength deficiency of this cylindric bridge pier 1.For these reasons, be necessary further to improve the above-mentioned bridge pier structure of commonly using.
Novel content
The utility model main purpose is to overcome above-mentioned shortcoming, a kind of structure-improved of bridge pier is provided, it comprises at least one diversion division by at least one main body, this diversion division can reduce the resistance of current and reduce the generation of eddy current, makes the structure-improved of this bridge pier have the bottom of avoiding this body and is washed in a pan empty effect.
Secondary objective of the present utility model provides a kind of structure-improved of bridge pier, it is arranged at the respectively bottom of this body by the binding of water conservancy diversion slope, and will guide on this current direction, make the structure-improved of this bridge pier have to strengthen this main body structure intensity and prevent the effect that the bottom of this body is washed away.
Another purpose of the present utility model provides a kind of structure-improved of bridge pier, it is arranged at the respectively bottom of this body by a water conservancy diversion slope binding, and these current are barred from this water conservancy diversion slope perch for rivers and creeks ecology with the side formation water reserve that these current are met mutually, make this creation have the effect of educating rivers and creeks ecology again.
A purpose more of the present utility model provides a kind of structure-improved of bridge pier, it is arranged at the respectively bottom of this body by a water conservancy diversion slope binding, will from the upstream wash away and under discarded object concentrate on the side that this water conservancy diversion slope and these current are met mutually so that effectively clear up and avoid channel filling.The effectiveness that makes this creation have to be convenient to clear up the river course.
In order to achieve the above object, the technical scheme that the utility model provides is: a kind of structure-improved of bridge pier, and the structure-improved of this bridge pier has:
At least one main body; This main body has a pier stud and at least one diversion division; This diversion division is arranged on the next door of this pier stud; And water conservancy diversion slope; This water conservancy diversion slope is arranged on the bottom of this main body;
Diversion division is one of the forming and is arranged on the next door of this pier stud; Or be dismountable next door that is arranged on described pier stud;
Diversion division has first diversion division and second diversion division; This first diversion division is located at the relative both sides of this pier stud with second diversion division;
Diversion division has at least one tip;
The water conservancy diversion slope is for linking the bottom that is arranged on each main body;
The water conservancy diversion slope is the lower block of a central uplift and both sides;
The bump pad on water conservancy diversion slope is shaped as pointed; Or be circular-arc.
The structure-improved of the bridge pier that the utility model provides reduces the resistance of current and reduces the generation of eddy current by diversion division, makes the structure-improved of this bridge pier have the bottom of avoiding this body and is washed in a pan empty effect; Link by water conservancy diversion slope and to be arranged at the respectively bottom of this body, and will guide on this current direction, the effect that the bottom that makes the structure-improved of this bridge pier have to strengthen this main body structure intensity and prevent this body is washed away; Link by water conservancy diversion slope and to be arranged at the respectively bottom of this body, and these current are barred from this water conservancy diversion slope perch for rivers and creeks ecology, make this creation have the effect of educating rivers and creeks ecology again with the side formation water reserve that these current are met mutually; Link by water conservancy diversion slope and to be arranged at the respectively bottom of this body, will wash away from the upstream and discarded object down concentrates on the sloping side of meeting mutually with these current of this water conservancy diversion, so that effectively clear up and avoid channel filling.The effectiveness that makes this creation have to be convenient to clear up the river course.
Description of drawings
Fig. 1: the schematic diagram of existing bridge pier structure;
Fig. 2: the sectional schematic diagram of existing bridge pier structure;
Fig. 3: the structure improved schematic diagram of the utility model bridge pier;
Fig. 4: the structure improved generalized section of the utility model bridge pier;
Fig. 5: the structure improved sectional schematic diagram of the utility model bridge pier.
The specific embodiment
For the above-mentioned and other purpose of the utility model, feature and advantage can be become apparent, the preferred embodiment of cited below particularly creation, and cooperate appended graphicly, be described in detail below:
Please refer to shown in Fig. 3,4, the structure-improved of bridge pier of the present utility model comprises at least one main body 2 and a water conservancy diversion slope 3, and this two structure is a reinforced concrete structure.This main body 2 is arranged in the riverbed, in order to support bridge floor 4.This water conservancy diversion slope 3 is arranged at the surface of this bottom, riverbed and links the respectively bottom of this main body 2 around this main body 2, and is central uplift and the lower shape of all sides.This water conservancy diversion slope 3 can strengthen the structural strength of these main body 2 bottoms, and prevents that further the bottom of this main body 2 from suffering current to wash in a pan sky.
Shown in Fig. 4,5, this main body 2 includes pier stud 21 and at least one diversion division (not indicating), and this diversion division has first diversion division 22 and second diversion division 23.This pier stud 21 is arranged in this riverbed, in order to support the structure of this main body 2.This first diversion division 22 and second diversion division 23 are one of the forming with this pier stud 21, or are dismountable relative two sides that are assembled in this pier stud 21.This first diversion division 22 and second diversion division 23 are pointed body.This first diversion division 22 is arranged at the side that this pier stud 21 and the flow direction of current a are met mutually, and then the action that these current a is cut water and water conservancy diversion.This second diversion division 23 is arranged at the opposite side of this main body 2, and then these current a is carried out the action of water conservancy diversion.
Shown in Fig. 4,5, this water conservancy diversion slope 3 comprises first guidance part 31 and second guidance part 32.This first guidance part 31 and this second guidance part 32 are arranged at a side of this first diversion division 22 and a side of second diversion division 23 respectively.The center projections on this guiding slope 3 partly can be pointed, or is arcuation, in order to these current a is upwards guided.
Shown in Fig. 4 and 5, when assembling the structure-improved of bridge pier of the present utility model, earlier through steps such as river shunting, piling, group formwork erection version, grouting and solidification forming are provided with at least one this main body 2 in this riverbed, again in the bottom of this main body 2 respectively, this water conservancy diversion slope 3 is set and along this bottom, riverbed in order to link the respectively bottom of this main body 2.The form of construction work on this water conservancy diversion slope 3 is identical with the form of construction work of this pier stud 21.At last, treat that this water conservancy diversion slope 3 is finished after, again with sandstone 5 backfills on this water conservancy diversion slope 3, with the basis of protecting this main body 2 and finish construction sequence.
Shown in Fig. 4,5, when the structure-improved of the bridge pier that uses utility model, these current a flow to this main body 2 and makes these current a divide two side flow that flow to this first diversion division 22 through the tip (indicating) of this first diversion division 22, to reduce the suffered resistance of these current a and to reduce the formation of eddy current.Then these current a is confluxed via two sharp sides (the indicating) guiding of this second diversion division 23 and in the tip of this second diversion division 23 (indicating), to reduce the eddy current of this place formation by the both sides of this first diversion division 22 this main body 2 of flowing through.This first guidance part 31 makes progress directed stream through this main body 2 with these current a, so that reduce washing away the bottom of this main body 2.
In sum, structure-improved with respect to the existing bridge pier of Fig. 1 is excessive to the resistance of these current a, form eddy current around causing this cylindric bridge pier 1, and then the bottom of washing in a pan empty this cylindric bridge pier 1 gradually, the adjacent respectively bottom of this cylindric bridge pier 1 there is no binding, cause the respectively structural strength deficiency of this cylindric bridge pier 1, the utility model of Fig. 4 is provided with this first diversion division 22 and second diversion division 23 by acting on this pier stud 21, make current effectively cut water via the tip (not indicating) of this first diversion division 22, carry out water conservancy diversion by the sharp side (not indicating) of this first diversion division 22 and second diversion division 23 again, so that reduce the suffered resistance of these current, and then avoid these current around this main body 2, to form eddy current.Therefore, can prevent bottom, the naughty empty riverbed of these current.Moreover, be arranged at the respectively bottom of this main body 2 through these water conservancy diversion slope 3 bindings, so that strengthen the structural strength of this main body 2, and will guide on this current direction, can prevent that the bottom of this main body 2 from being washed away.Moreover this water conservancy diversion slope 3 can be when water level be lower than the height on this water conservancy diversion slope 3, and a side that these current is barred from this first guidance part 31 forms the water reserve, perches for rivers and creeks ecology, and then this rivers and creeks ecology is had the function of educating again.In addition, from the upstream wash away and under discarded object (for example: megalith and disconnected wood etc.) can effectively concentrate on a side of this first guidance part 31 so that cleaning and avoid channel filling.Therefore, this creation can reach the ecological effect of educating and being convenient to clear up the river course again of structural strength, help that the bottom that prevents this body 2 meets with washing in a pan sky, promotes this body 2 really.

Claims (8)

1, a kind of structure-improved of bridge pier is characterized in that: the structure-improved of this bridge pier has:
At least one main body; Described main body has a pier stud and at least one diversion division; Described diversion division is arranged on the next door of described pier stud; And
A water conservancy diversion slope; Described water conservancy diversion slope is arranged on the bottom of described main body.
2, the structure-improved of bridge pier according to claim 1 is characterized in that: described diversion division is one of the forming and is arranged on the next door of described pier stud.
3, the structure-improved of bridge pier according to claim 1 is characterized in that: described diversion division is dismountable next door that is arranged on described pier stud.
4, the structure-improved of bridge pier according to claim 1 is characterized in that: described diversion division has first diversion division and second diversion division; Described first diversion division is located at the relative both sides of this pier stud with second diversion division.
5, the structure-improved of bridge pier according to claim 1 is characterized in that: described diversion division has at least one tip.
6, the structure-improved of bridge pier according to claim 1 is characterized in that: described water conservancy diversion slope is for linking the bottom that is arranged on each described main body.
7, the structure-improved of bridge pier according to claim 1 is characterized in that: described water conservancy diversion slope is the lower block of a central uplift and both sides.
8, the structure-improved of bridge pier according to claim 8 is characterized in that: the bump pad on described water conservancy diversion slope is shaped as pointed; Or be circular-arc.
CN 200620160406 2006-11-22 2006-11-22 Improved structure of bridge abutment Expired - Fee Related CN200967925Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620160406 CN200967925Y (en) 2006-11-22 2006-11-22 Improved structure of bridge abutment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620160406 CN200967925Y (en) 2006-11-22 2006-11-22 Improved structure of bridge abutment

Publications (1)

Publication Number Publication Date
CN200967925Y true CN200967925Y (en) 2007-10-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620160406 Expired - Fee Related CN200967925Y (en) 2006-11-22 2006-11-22 Improved structure of bridge abutment

Country Status (1)

Country Link
CN (1) CN200967925Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103233429A (en) * 2013-05-11 2013-08-07 天津二十冶建设有限公司 Construction method of local scour prevention of piers in water
CN104631307A (en) * 2013-11-07 2015-05-20 成都凯裕电子电器有限公司 Impact-prevention drainage device of pier
CN105275928A (en) * 2014-07-15 2016-01-27 黄荣芳 Vortex-flow eliminating structure
CN114622513A (en) * 2022-01-21 2022-06-14 郑州大学 Flow guiding device for bridge pier for reducing resistance and vortex and earthquake

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103233429A (en) * 2013-05-11 2013-08-07 天津二十冶建设有限公司 Construction method of local scour prevention of piers in water
CN104631307A (en) * 2013-11-07 2015-05-20 成都凯裕电子电器有限公司 Impact-prevention drainage device of pier
CN105275928A (en) * 2014-07-15 2016-01-27 黄荣芳 Vortex-flow eliminating structure
CN114622513A (en) * 2022-01-21 2022-06-14 郑州大学 Flow guiding device for bridge pier for reducing resistance and vortex and earthquake
CN114622513B (en) * 2022-01-21 2024-01-19 郑州大学 Pier guiding device is shaken in vortex reduction that reduces drag

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20071031

Termination date: 20091222