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 PDF

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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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CN
China
Prior art keywords
bridge
slide plate
attachment strap
bumping
platform
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711245957.2A
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Chinese (zh)
Inventor
庄舟
庄一舟
卢琪
苏浩
张猛
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Zhejiang University of Technology ZJUT
Original Assignee
Zhejiang University of Technology ZJUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang University of Technology ZJUT filed Critical Zhejiang University of Technology ZJUT
Priority to CN201711245957.2A priority Critical patent/CN108103923A/en
Publication of CN108103923A publication Critical patent/CN108103923A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00Foundations for pavings
    • E01C3/04Foundations 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

A kind of anti-bumping at bridge-head device of bridge
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.
CN201711245957.2A 2017-12-01 2017-12-01 A kind of anti-bumping at bridge-head device of bridge Pending CN108103923A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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
CN201711245957.2A CN108103923A (en) 2017-12-01 2017-12-01 A kind of anti-bumping at bridge-head device of bridge

Publications (1)

Publication Number Publication Date
CN108103923A true CN108103923A (en) 2018-06-01

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Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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