CN108103923A - A kind of anti-bumping at bridge-head device of bridge - Google Patents
A kind of anti-bumping at bridge-head device of bridge Download PDFInfo
- Publication number
- CN108103923A CN108103923A CN201711245957.2A CN201711245957A CN108103923A CN 108103923 A CN108103923 A CN 108103923A CN 201711245957 A CN201711245957 A CN 201711245957A CN 108103923 A CN108103923 A CN 108103923A
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- China
- Prior art keywords
- bridge
- slide plate
- attachment strap
- bumping
- platform
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
A kind of anti-bumping at bridge-head device of bridge, bridge include the abutment positioned at end of the bridge both ends, and filled with banketing after platform, the upper surface of abutment is connected to form gentle continuous bridge road with being laid on the attachment strap to banket on upper surface after platform for the side of abutment;The anti-bumping at bridge-head device for expanding with heat and contract with cold to reduce the sedimentation difference between banketing after abutment and platform for being suitable for bridge is equipped in banketing after platform;Anti- bumping at bridge-head device is equipped with the slide plate extended along bridge length direction including being arranged on the cavity on banketing after the platform below attachment strap in cavity;The end face of slide plate one end extends towards abutment, the other end of slide plate in cavity;It is connected between the upper surface of slide plate and the lower surface of attachment strap by several spaced connection stake row, connection stake row include several connection stakes to form a line along bridge length direction;Tightly packed there is particulate filler material in gap between attachment strap lower surface, slide plate, connection stake and cavity.
Description
Technical field
The present invention relates to a kind of bridges with anti-bumping at bridge-head device.
Background technology
Bumping at bridge-head refers to that due to sedimentation between the embankment after bridges and culverts structure and bridges and culverts platform etc. be more than a certain limit value
The phenomenon that automobile is caused to generate up-down vibration by wheel during the section.In recent years, people is increasingly subject to the phenomenon that bumping at bridge-head
Attention.
The essence that vehicle bump at bridge ends occurs is the relative settlement due to banketing after abutment and platform.Wherein settlement of foundation is especially
It is the bad area of subsoil soil property, main effect is played to the sedimentation of entire embankment.These soil property defective sectors are due to soil
Water content it is higher, gap is bigger, and natural bearing capacity is relatively low, and end of the bridge is filling roadbed higher, easily generate sedimentation, compared with bridge
The sedimentation of platform pile foundation is much greater.In addition, when vehicle by when, although the size of load is identical, bridge and embankment
Rigidity is different, and bridge stiffness is big, and deformation is smaller, and embankment rigidity is small, and flexible deformation and plastic deformation are larger, and so the two is just produced
Larger Differential settlement deformation has been given birth to, has triggered bumping at bridge-head.
Bumping at bridge-head is there are many harm, for example, vehicle is when driving to bridgehead position, to prevent the fierce bounce of vehicle,
Driver has to the deceleration that touches on the brake, and reduces the use function of road.Vehicle caused by jumping vehicle phenomenon jolts, and can not only cause
It the discomfort of occupant or even can cause to lose control of one's vehicle, to threatening safely.For bridge road in itself for, due to vehicle
Pass through the bounce and impact generated during end of the bridge, cause additional impact load, accelerate abutment, transition slab at bridge head, bearing and
The destruction at expansion joint, the maintenance cost for not only increasing bridge also reduce service life.Meanwhile also exacerbate the machine of vehicle
Part, the abrasion of tire reduce the service life of vehicle.
The content of the invention
To overcome the problems, such as present in background technology, the present invention provides a kind of anti-bumping at bridge-head device of bridge.
Technical proposal that the invention solves the above-mentioned problems is:
A kind of anti-bumping at bridge-head device of bridge, the bridge include the abutment positioned at end of the bridge both ends, the side of the abutment
Face is banketed after being filled with platform, and the upper surface of the abutment is connected to form gently with being laid on the attachment strap to banket on upper surface after platform
Continuous bridge road;
The sedimentation for expanding with heat and contract with cold to reduce between banketing after abutment and platform for being suitable for bridge is equipped in banketing after the platform
The anti-bumping at bridge-head device of difference;
The anti-bumping at bridge-head device is laid with including being arranged on the cavity on banketing after the platform below attachment strap in the cavity
There is the slide plate extended along bridge length direction;The end face of slide plate one end extends towards abutment, the other end of slide plate in cavity;The cunning
It is connected between the upper surface of plate and the lower surface of attachment strap by several spaced connection stake row, the connection stake row include
Several connection stakes to form a line along bridge length direction;Gap between the attachment strap lower surface, slide plate, connection stake and cavity is tight
It is close to be filled with particulate filler material.
Further, the both ends of the connection stake are vertically connected respectively with slide plate and attachment strap, and the both ends for connecting stake lead to respectively
WELDING STUDS is crossed to be fixedly linked with slide plate and attachment strap.
Further, the direction extended along bridge length direction is defined as length direction, then the cavity is shorter in length than attachment strap
Length;The length of the slide plate is more than or equal to the length of transition region in attachment strap.
Further, the slide plate is concrete slab.
Further, the particulate filler material is fine sand.
Beneficial effects of the present invention are mainly manifested in:
The attachment strap of the present invention is in connection stake and slide plate (skid plates support attachment strap, and slide plate can move relatively freely)
Under supporting role, can relatively freely it be moved with the deformation of bridge.Connection stake has given attachment strap one vertical support, so as to increase
Add the vertical rigidity in bridge end transition area, then can reduce the use length of attachment strap.It bankets after abutment and platform production
During raw differential settlement, due to the effect of the vertical supporting of connection stake and slide plate, the deformation of attachment strap can greatly reduce, so as to effectively
The phenomenon that reducing bumping at bridge-head;Present invention is particularly suitable for the whole bridges for being not provided with expansion joint.
Description of the drawings
Fig. 1 is that the present invention applies the structure diagram in whole bridge;
Fig. 2 is that the present invention applies the structure diagram in common seamed bridge;
Fig. 3 is the construction constructed profile of WELDING STUDS in connection stake;
Fig. 4 is the construction schematic cross-sectional views of WELDING STUDS in connection stake.
Label declaration:1- attachment straps, 2- connection stakes, 3- slide plates, 4- particulate filler material, 5- roadbed soil layers, 6- WELDING STUDSs, 7-
H profile steel, 8- steel plates.
Specific embodiment
Referring to the drawings, the anti-bumping at bridge-head device of a kind of bridge, the bridge includes the abutment positioned at end of the bridge both ends, described
The side of abutment bankets 5 after being filled with platform, and the upper surface of the abutment is with being laid on 1 phase of attachment strap banketed after platform on 5 upper surfaces
Connect to form gentle continuous bridge road;
Banket after the platform be equipped in 5 be suitable for bridge expand with heat and contract with cold to reduce banket after abutment and platform it is heavy between 5
The anti-bumping at bridge-head device of difference drops;
The anti-bumping at bridge-head device is spread including being arranged on the cavity on banketing after the platform of 1 lower section of attachment strap in the cavity
Equipped with the slide plate 3 extended along bridge length direction;The end face of 3 one end of slide plate extends towards abutment, the other end of slide plate in cavity;Institute
It states and is connected between the upper surface of slide plate 3 and the lower surface of attachment strap 1 by several spaced connection stake row, the connection stake
Row include several connection stakes 2 to form a line along bridge length direction;1 lower surface of attachment strap, slide plate 3, connection stake 2 and cavity it
Between gap tightly packed have particulate filler material 4.
The both ends of the connection stake 2 are vertically connected respectively with slide plate 3 and attachment strap 1, and connect the both ends of stake 2 respectively by cutting
Power nail 6 is fixedly linked with slide plate 3 and attachment strap 1.
The direction that definition extends along bridge length direction is the length for being shorter in length than attachment strap of length direction, the then cavity;Institute
State length of the length more than or equal to the transition region of attachment strap 1 of slide plate 3.It is intensive under the reinforced concrete pavement of bridge to be disposed with
Reinforcing bar, it is assumed that the reinforcing bar closeness under the reinforced concrete pavement of floorings is 100%;And under the road surface of the road behind bridge
Side is not to be laid with reinforcing bar, and the reinforcing bar closeness defined herein is 0%, and the reinforcing bar under the attachment strap between floorings and road surface
Closeness is gradually reduced from 100%-0%, this subregion is just called transition region.
The slide plate 3 is concrete slab.
The particulate filler material 4 is fine sand.
Connection stake 2 includes H profile steel 7 and the steel plate 8 for being vertically set on 7 both ends of H profile steel, and leads between H profile steel 7 and steel plate 8
It crosses and is welded and fixed.
The present invention includes the attachment strap 1 after being located at beam front axle beam bridge platform and the slide plate 3 being located at below attachment strap 1,1 He of attachment strap
Slide plate 3 is vertically connected in-between by means of the small-sized connection stake 2 for setting spacing closeer, and is filled, rammed with granular material 4
It is real.
In order to enable 1 effective deformation of attachment strap, in banketing after the platform below attachment strap 1, pad puts one slide-plate 3, the length of slide plate 3
More than or equal to the length of transition region in attachment strap 1.Attachment strap 1 sets a row to connect stake 2 with slide plate 3 at interval of certain distance.
The present invention is first prefabricated to connect stake 2 and slide plate 3 in construction.When prefabricated, connection stake 2 is poured outside using I-steel
The method of concrete is formed, and sets WELDING STUDS 6 in the upper lower flange of connection stake 2.3 length of slide plate is greater than or equal to attachment strap 1
The length of middle transition region.Pad puts installation connection stake 2 after slide plate 3 well, finally pours attachment strap 1 on 2 top of connection stake.It slide plate 3 and takes
Filler particles shape filler material (such as fine sand) between plate 1, and tamped.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also includes art technology
Personnel conceive according to the present invention it is conceivable that equivalent technologies mean.
Claims (5)
1. a kind of anti-bumping at bridge-head device of bridge, the bridge includes the abutment positioned at end of the bridge both ends, the side of the abutment
Filled with banketing after platform, the upper surface of the abutment is connected with being laid on the attachment strap to banket after platform on upper surface and is gently connected with forming
Continuous bridge road;It is characterized in that:
The sedimentation difference for expanding with heat and contract with cold to reduce between banketing after abutment and platform for being suitable for bridge is equipped in banketing after the platform
Anti- bumping at bridge-head device;
The anti-bumping at bridge-head device is equipped with edge including being arranged on the cavity on banketing after the platform below attachment strap in the cavity
The slide plate of bridge length direction extension;The end face of slide plate one end extends towards abutment, the other end of slide plate in cavity;The slide plate
It is connected between upper surface and the lower surface of attachment strap by several spaced connection stake row, the connection stake row include several
A connection stake to form a line along bridge length direction;Gap between the attachment strap lower surface, slide plate, connection stake and cavity is closely filled out
Filled with particulate filler material.
2. a kind of anti-bumping at bridge-head device of bridge as described in claim 1, it is characterised in that:The both ends point of the connection stake
It is not vertically connected with slide plate and attachment strap, and the both ends for connecting stake are fixedly linked respectively by WELDING STUDS and slide plate and attachment strap.
3. a kind of anti-bumping at bridge-head device of bridge as claimed in claim 2, it is characterised in that:Definition extends along bridge length direction
Direction be length direction, the then cavity the length for being shorter in length than attachment strap.
4. a kind of anti-bumping at bridge-head device of bridge as claimed in claim 3, it is characterised in that:The slide plate is concrete
Plate.
5. a kind of anti-bumping at bridge-head device of bridge as claimed in claim 4, it is characterised in that:The particulate filler material is
Fine sand.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711245957.2A CN108103923A (en) | 2017-12-01 | 2017-12-01 | A kind of anti-bumping at bridge-head device of bridge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711245957.2A CN108103923A (en) | 2017-12-01 | 2017-12-01 | A kind of anti-bumping at bridge-head device of bridge |
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Publication Number | Publication Date |
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CN108103923A true CN108103923A (en) | 2018-06-01 |
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Family Applications (1)
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CN201711245957.2A Pending CN108103923A (en) | 2017-12-01 | 2017-12-01 | A kind of anti-bumping at bridge-head device of bridge |
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CN (1) | CN108103923A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111041919A (en) * | 2019-12-30 | 2020-04-21 | 河北建太工程设计有限公司 | Bridge head pavement anti-settlement structure and construction method |
CN112252151A (en) * | 2020-10-16 | 2021-01-22 | 姚惠红 | Anti-sinking bridge |
Citations (8)
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CN2533153Y (en) * | 2002-03-20 | 2003-01-29 | 宁波市城市建设设计院 | Bridge approach capable of preventing car from skipping |
CN2828124Y (en) * | 2005-11-22 | 2006-10-18 | 游洪臣 | Installation for preventing differential settlement of road |
CN201924249U (en) * | 2010-11-26 | 2011-08-10 | 合肥工业大学科教开发部 | Transition roadbed for dealing with vehicle bump |
CN102677584A (en) * | 2012-05-31 | 2012-09-19 | 东南大学 | Mounting structure of abutment butt strap |
CN103194962A (en) * | 2013-05-03 | 2013-07-10 | 福州大学 | Structure and construction method for reducing abutment staggering based on flexible pile |
CN203295966U (en) * | 2013-05-03 | 2013-11-20 | 福州大学 | Structure for reducing bumping of bridge abutment based on flexible piles |
CN104047236A (en) * | 2014-05-26 | 2014-09-17 | 江苏鼎泰工程材料有限公司 | Repair method of vehicle bump pavement of bridgehead |
KR101567421B1 (en) * | 2015-01-21 | 2015-11-11 | (주)서현컨스텍 | Precast rahmen bridge without abuttment and the construction method therefor |
-
2017
- 2017-12-01 CN CN201711245957.2A patent/CN108103923A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2533153Y (en) * | 2002-03-20 | 2003-01-29 | 宁波市城市建设设计院 | Bridge approach capable of preventing car from skipping |
CN2828124Y (en) * | 2005-11-22 | 2006-10-18 | 游洪臣 | Installation for preventing differential settlement of road |
CN201924249U (en) * | 2010-11-26 | 2011-08-10 | 合肥工业大学科教开发部 | Transition roadbed for dealing with vehicle bump |
CN102677584A (en) * | 2012-05-31 | 2012-09-19 | 东南大学 | Mounting structure of abutment butt strap |
CN103194962A (en) * | 2013-05-03 | 2013-07-10 | 福州大学 | Structure and construction method for reducing abutment staggering based on flexible pile |
CN203295966U (en) * | 2013-05-03 | 2013-11-20 | 福州大学 | Structure for reducing bumping of bridge abutment based on flexible piles |
CN104047236A (en) * | 2014-05-26 | 2014-09-17 | 江苏鼎泰工程材料有限公司 | Repair method of vehicle bump pavement of bridgehead |
KR101567421B1 (en) * | 2015-01-21 | 2015-11-11 | (주)서현컨스텍 | Precast rahmen bridge without abuttment and the construction method therefor |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111041919A (en) * | 2019-12-30 | 2020-04-21 | 河北建太工程设计有限公司 | Bridge head pavement anti-settlement structure and construction method |
CN111041919B (en) * | 2019-12-30 | 2021-06-29 | 河北建太工程设计有限公司 | Bridge head pavement anti-settlement structure and construction method |
CN112252151A (en) * | 2020-10-16 | 2021-01-22 | 姚惠红 | Anti-sinking bridge |
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