CN105803922B - A kind of high embankment filled soil end of the bridge anti-settling structure - Google Patents
A kind of high embankment filled soil end of the bridge anti-settling structure Download PDFInfo
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- CN105803922B CN105803922B CN201410857434.3A CN201410857434A CN105803922B CN 105803922 B CN105803922 B CN 105803922B CN 201410857434 A CN201410857434 A CN 201410857434A CN 105803922 B CN105803922 B CN 105803922B
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Abstract
The present invention relates to a kind of high embankment filled soil end of the bridge anti-settling structure, the end of the bridge anti-settling structure, including abutment, piling strtucture (12), road surface structare layer (1), attachment strap structure sheaf (2) and base course (5), the road surface structare layer (1) is laid on attachment strap structure sheaf (2), it is characterized in that, one end of the attachment strap structure sheaf (2) is ridden upon on the abutment bracket (11) of abutment, piling strtucture (12) is set below attachment strap structure sheaf (2), and be connected with the stake top of piling strtucture (12) to be formed two across or multispan in-situ continuous slab structure, plain concrete layer (3) is set gradually under the attachment strap structure sheaf (2), blotter (4), the blotter (4) is laid on base course (5).Compared with prior art, the advantages that there is the present invention transition between road and bridge to smooth out, end of the bridge anti-settling excellent performance.
Description
Technical field
The present invention relates to a kind of end of the bridge anti-settling structure, more particularly, to a kind of high embankment filled soil end of the bridge anti-settling structure.
Background technology
At present, in bridge construction, road would generally be because of subgrade and pavement and the base of bridge structure with end of the bridge phase cohesive position
Plinth rigidity is different and causes the relative settlement of road surface and bridge floor, so that it is uncomfortable to cause to drive a vehicle, or even causes security incident.It is existing
In technology, generally use sets transition slab at bridge head to prevent end of the bridge from settling, which is shelved on abutment end using concrete slab and fills out
Between soil, it can be rotated with the sedimentation banketed.
Chinese patent ZL 201220025591.4, which discloses a kind, prevents the bridgehead structures of sedimentation, including is used to support
The end of the bridge pedestal of girder, the roadbed arranged on the remote girder side of the end of the bridge pedestal, the bridgehead structures are further included in roadbed
The attachment strap for being used to support road surface, one end of the attachment strap is overlapped on the top of the end of the bridge pedestal, the other end overlap joint of the attachment strap
In the roadbed on set roadbed bearing plate.Chinese patent ZL 201320144372.2 discloses a kind of anti-settling end of the bridge
Ramp structure, including abutment, Qiao Di, bridge pier, roadbed stone, reinforcement slope, supercrust, the reinforcement slope is by pre- on bridge dike
Bury exposed steel bar head and strengthen the longitudinal reinforcement on bridge slope and be welded and fused, and with the integral structure of concrete casting.It is above-mentioned special
The sharp structure by using transition slab at bridge head, obtains certain end of the bridge anti-settling effect, but when the depth of fill is higher after platform, by
In settlement of foundation, Roadbed Soil be lost in, Roadbed Soil do not reach compactness the problems such as, cause attachment strap structure to be taken off with Roadbed Soil
Sky, so that cause attachment strap structure situations such as dog-ear fracture occur, so, even if being often provided with attachment strap still has bumping at bridge-head
Phenomenon occurs.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of high embankment filled soil bridge
Head anti-settling structure.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of high embankment filled soil end of the bridge anti-settling structure, including abutment, piling strtucture, road surface structare layer, attachment strap structure sheaf
And base course, the road surface structare layer are laid on attachment strap structure sheaf, it is characterised in that the head of the attachment strap structure sheaf
Ride upon on the abutment bracket of abutment, piling strtucture is set below attachment strap structure sheaf, and is connected to be formed with the stake top of piling strtucture
Two across or multispan in-situ continuous slab structure, set gradually plain concrete layer, blotter under the attachment strap structure sheaf, it is described
Blotter be laid on base course.
The attachment strap structure sheaf includes attachment strap, and longitudinal reinforcement and transverse steel are equipped with the attachment strap, the attachment strap
Head is ridden upon on abutment bracket, and piling strtucture, and the portion in attachment strap above piling strtucture are arranged at intervals below attachment strap
It is arranged with diagonal bar.
Plastic flexible pipe is reserved in the attachment strap, the bearing-surface of the abutment bracket sets asphalt felt bed course, by inserting
Muscle makes attachment strap structure sheaf be articulated and connected with end of the bridge through plastic flexible pipe and asphalt felt bed course, and the joint bar is embedded in Abutment Back
It is interior.
Gap is equipped between the attachment strap structure sheaf and Abutment Back, sealing material is clogged in the gap, described stops
Water material is pitch or horseshoe fat.
The attachment strap structure sheaf can laterally set polylith attachment strap, and each attachment strap is connected by tension rib.
The thickness of the attachment strap is communicated with lane width, and subsiding crack is equipped between each attachment strap, rubber is clogged in the subsiding crack
Glue waterstop, and set power transmission pull rod every 500mm.
The stake top of the piling strtucture is arranged at middle part or the afterbody of attachment strap structure sheaf, wherein the pile foundation knot positioned at middle part
The stake top length of structure is more than the stake top length of the piling strtucture of afterbody.
The plain concrete layer is arranged under attachment strap structure sheaf with blotter, and is mutually connected with piling strtucture.
The base course is filled by compaction in layers of banketing after platform and formed, and is used below pavement structure in the range of 0.6m
8wt% rendzinases, it uses 6wt% rendzinases down.Intensity >=0.6Mpa of base course.
The plain concrete layer is poured on blotter, plain concrete layer both lateral sides it is wide go out positioned at end of the bridge attachment strap
Each 100mm of structure sheaf.
The attachment strap uses armoured concrete slab, and the thickness of attachment strap changes according to the length change of attachment strap, works as attachment strap
When length is 6m, thickness of slab 350mm, when attachment strap length is 12m or more than 12m, thickness of slab 500mm.
Compared with prior art, attachment strap structure sheaf length of the invention is longer so that is played between road and bridge good
Transition, attachment strap structure sheaf connects the piling strtucture of two-stage or multistage, plays the differential settlement of adjusting bridge and roadbed, attachment strap structure
Plain concrete layer and blotter are added between layer and base course, overcomes roadbed dynamic stress below traditional transition slab at bridge head structure
Greatly, the situation that the soil body easily disturbs, can eliminate roadbed below attachment strap and come to nothing situation.Stake in being designed by piling strtucture is long,
The change in stake footpath, realizes smoothly transitting for roadbed and the bridge foundation rigidity of structure, so as to solve the generation of the phenomenon of bumping at bridge-head.
Brief description of the drawings
Fig. 1 is the facade structures schematic diagram of the present invention；
Fig. 2 is the section structure diagram of the present invention；
Fig. 3 is the schematic diagram of attachment strap junction；
Fig. 4 is the structural reinforcement schematic diagram of the present invention；
In figure, road surface structare layer 1, attachment strap structure sheaf 2, plain concrete layer 3, blotter 4, base course 5, tension rib 6, bridge
The platform platform back of the body 7, plastic flexible pipe 8, bearing-surface 9, joint bar 10, abutment bracket 11, piling strtucture 12, diagonal bar 13, longitudinal reinforcement 14, laterally
Reinforcing bar 15.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As shown in Figures 1 to 4, a kind of high embankment filled soil end of the bridge anti-settling structure, including abutment, piling strtucture 12, road surface
Structure sheaf 1, attachment strap structure sheaf 2 and base course 5.
The road surface structare layer 1 is designed according to category of roads, is usually coarse grain formula pitch+middle grain formula pitch+pitch agate
Hoof fat crushed stones mixture, may be designed as (from bottom to top) 6mm slurry seal+80mm Coarse Graded Bituminous Concretes (AC-25C)+
Grain formula bituminous concrete (AC-20C)+40mm stone mastic asphalts SMA-13 (SBS modifications) in 60mm.Pavement structure
Layer 1 is laid on attachment strap structure sheaf 2,
The attachment strap structure sheaf 2 includes attachment strap, and longitudinal reinforcement 14 and transverse steel 15 are equipped with the attachment strap, to strengthen taking
The intensity of plate, attachment strap lower section is arranged at intervals piling strtucture 12, and the part in attachment strap above piling strtucture 12 is equipped with tiltedly
13 reinforcement attachment strap of muscle.The head of the attachment strap is ridden upon on abutment bracket 11, and plastic flexible pipe 8, Abutment Back are reserved in attachment strap
Interior pre- doweling 10, the asphalt felt bed course being arranged on the bearing-surface 9 of abutment bracket 11 and plastic flexible pipe 8 are passed through by joint bar 10
Attachment strap structure sheaf 2 is set to be articulated and connected with end of the bridge.Specific attachment strap length is set according to the depth of fill and the difference of ground situation.Attachment strap knot
Gap is equipped between structure layer 2 and Abutment Back 7, the sealing materials such as bitumastic are clogged in the gap, plays buffering attachment strap structure
The flexible and sealing effect of layer 2.Attachment strap structure sheaf 2 can be open to traffic according to road surface situation set polylith attachment strap, the width and car of attachment strap
Trade equivalent width, direction across bridge block plate, each attachment strap such as can be divided into and be connected by tension rib 6, and subsiding crack is equipped between each attachment strap, should
Filling rubber fastening band in subsiding crack, and set power transmission pull rod every 500mm.Attachment strap structure uses armoured concrete slab, works as attachment strap
When length is 6m, thickness of slab 350mm, when attachment strap length is more than 12m, thickness of slab 500mm；Transition slab at bridge head and Abutment Back
Between be equipped with filling in gap and the gap and, just like sealing materials such as pitch horseshoe fat, be so adapted to the expansion of attachment strap structure and stretch
It is long, avoid producing thrust to abutment parados, while can prevent surface gathered water from being penetrated into along gap, band bankets after walking on stage, and avoids taking
Plate lower floor comes to nothing.
Plain concrete layer 3, blotter 4, plain concrete layer 3 and rubble pad are set gradually under the attachment strap structure sheaf 2
Layer 4 is mutually connected with piling strtucture 12.2 thickness of slab of attachment strap structure increases at pile crown, and laterally elongated, forms transverse strut.Element is mixed
Solidifying soil layer 3 is poured on blotter 4.3 both lateral sides of plain concrete layer it is wide go out positioned at bridgehead position attachment strap structure
2 each 100mm of layer, plain concrete cushion layer play stress spread, and the secondary phenomenon for jumping car in attachment strap distal end can be mitigated or eliminated,
And surfacing when pouring attachment strap structure, easy to attachment strap structure load is uniformly transferred to roadbed.The blotter 4 is laid with
On base course 5, diffusion-induced stress can be played the role of in soft ground treatment, and can draining, accelerate consolidating for lower part soil layer
Knot and sedimentation.The stake top of the piling strtucture 12 is arranged at middle part or the afterbody of attachment strap structure sheaf 2, wherein the stake positioned at middle part
The stake top length of based structures 12 is more than the stake top length of the piling strtucture 12 of afterbody.The base course is rammed by layering of banketing after platform
Fill and forms in fact, use 8wt% rendzinases below pavement structure in the range of 0.6m, it uses 6wt% rendzinases down, base course
Intensity >=0.6Mpa, the compactness banketed after platform should be controlled strictly.
After being handled by the above method, the stake soil rigidity of road structure is lifted, and structure is from flexibility to rigid gradual change
Set therefore relative settlement can be enable to weaken, so that solving problem of vehicle bump at bridge head.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that real above
Example is applied to be merely illustrative of the technical solution of the present invention and unrestricted., can after those skilled in the art has read foregoing description
To make various modifications and substitutions to it in the form and details, but protection scope of the present invention should be wanted by appended right
Ask to limit.
Claims (6)
1. a kind of high embankment filled soil end of the bridge anti-settling structure, including abutment, piling strtucture (12), road surface structare layer (1), attachment strap knot
Structure layer (2) and base course (5), the road surface structare layer (1) are laid on attachment strap structure sheaf (2), it is characterised in that described
One end of attachment strap structure sheaf (2) is ridden upon on the abutment bracket (11) of abutment, and piling strtucture is set below attachment strap structure sheaf (2)
(12), and with the stake top of piling strtucture (12) be connected to be formed two across or multispan in-situ continuous slab structure, the attachment strap structure
Plain concrete layer (3), blotter (4) are set gradually under layer (2), the blotter (4) is laid on base course (5)；
The attachment strap structure sheaf (2) includes attachment strap, and longitudinal reinforcement (14) and transverse steel (15) are equipped with the attachment strap, described
One end of attachment strap is ridden upon on abutment bracket (11), piling strtucture (12) is arranged at intervals below attachment strap, and be located at stake in attachment strap
Part above based structures (12) is equipped with diagonal bar (13)；
Plastic flexible pipe (8) is reserved in the attachment strap, the bearing-surface (9) of the abutment bracket (11) sets asphalt felt bed course,
Attachment strap structure sheaf (2) is set to be articulated and connected with end of the bridge through plastic flexible pipe (8) and asphalt felt bed course by joint bar (10), described inserts
Muscle (10) is embedded in abutment bracket (11)；
The base course (5) is filled by compaction in layers of banketing after platform to be formed, and uses 8wt% below pavement structure in the range of 0.6m
Rendzinas, it uses 6wt% rendzinases down.
A kind of 2. high embankment filled soil end of the bridge anti-settling structure stated according to claim 1, it is characterised in that the attachment strap structure
Gap is equipped between layer (2) and Abutment Back (7), clogs sealing material in the gap, the sealing material is pitch agate hoof
Fat.
A kind of 3. high embankment filled soil end of the bridge anti-settling structure according to claim 1, it is characterised in that the attachment strap knot
Structure layer (2) laterally sets polylith attachment strap, and each attachment strap is connected by tension rib (6).
4. a kind of high embankment filled soil end of the bridge anti-settling structure according to claim 3, it is characterised in that the attachment strap
Thickness is identical with lane width, and subsiding crack is equipped between each attachment strap, rubber fastening band is clogged in the subsiding crack, and every 500mm
If tension rib (6).
A kind of 5. high embankment filled soil end of the bridge anti-settling structure according to claim 1, it is characterised in that the pile foundation knot
The stake top of structure (12) is arranged at middle part or the afterbody of attachment strap structure sheaf (2), wherein the stake top length of the piling strtucture positioned at middle part
More than the stake top length of the piling strtucture of afterbody.
A kind of 6. high embankment filled soil end of the bridge anti-settling structure according to claim 1, it is characterised in that the plain coagulation
Soil layer (3) is arranged under attachment strap structure sheaf (2) with blotter (4), and is mutually connected with piling strtucture (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410857434.3A CN105803922B (en) | 2014-12-30 | 2014-12-30 | A kind of high embankment filled soil end of the bridge anti-settling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410857434.3A CN105803922B (en) | 2014-12-30 | 2014-12-30 | A kind of high embankment filled soil end of the bridge anti-settling structure |
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| Publication Number | Publication Date |
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| CN105803922A CN105803922A (en) | 2016-07-27 |
| CN105803922B true CN105803922B (en) | 2018-04-17 |
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| CN201410857434.3A Active CN105803922B (en) | 2014-12-30 | 2014-12-30 | A kind of high embankment filled soil end of the bridge anti-settling structure |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835956B (en) * | 2017-03-28 | 2018-08-31 | 交通运输部公路科学研究所 | Abutment Back bankets embedded rigid porous disc |
| CN107740339B (en) * | 2017-10-23 | 2023-10-20 | 浙江交通职业技术学院 | Rigidity-enhanced bridge head structure for managing bridge head jumping of operation road and construction method |
| CN111827087A (en) * | 2020-07-06 | 2020-10-27 | 上海崇明水利工程有限公司 | Bridgehead butt strap structure for hydraulic engineering |
| CN112144340B (en) * | 2020-10-13 | 2021-11-16 | 福建中设工程咨询有限公司 | Prevention and control structure for vehicle bump at bridge head of highway and construction method |
| CN113550187A (en) * | 2021-06-26 | 2021-10-26 | 山东昆嵛路桥工程有限公司 | Concrete reinforcing structure and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100743832B1 (en) * | 2006-05-11 | 2007-07-30 | (주)씨팁스이엔지 | Bridge construction method using preflex girder and integral abutment |
| KR100802038B1 (en) * | 2007-02-27 | 2008-02-12 | (주)내경엔지니어링 | Rahmen type abutment structure |
| CN203613427U (en) * | 2013-11-20 | 2014-05-28 | 长安大学 | Bridge-head bumping prevention and settlement structure based on composite concrete road surface |
| CN103911949A (en) * | 2014-04-09 | 2014-07-09 | 东南大学 | Transverse shear-resistant reinforcing steel bar connecting device for concrete bridge deck slabs |
| CN203716286U (en) * | 2014-02-25 | 2014-07-16 | 康建国 | Assembling building plate and building structure adopting same for assembly |
| CN204401444U (en) * | 2014-12-30 | 2015-06-17 | 上海浦东建筑设计研究院有限公司 | A kind of high embankment filled soil end of the bridge anti-settling structure |
-
2014
- 2014-12-30 CN CN201410857434.3A patent/CN105803922B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100743832B1 (en) * | 2006-05-11 | 2007-07-30 | (주)씨팁스이엔지 | Bridge construction method using preflex girder and integral abutment |
| KR100802038B1 (en) * | 2007-02-27 | 2008-02-12 | (주)내경엔지니어링 | Rahmen type abutment structure |
| CN203613427U (en) * | 2013-11-20 | 2014-05-28 | 长安大学 | Bridge-head bumping prevention and settlement structure based on composite concrete road surface |
| CN203716286U (en) * | 2014-02-25 | 2014-07-16 | 康建国 | Assembling building plate and building structure adopting same for assembly |
| CN103911949A (en) * | 2014-04-09 | 2014-07-09 | 东南大学 | Transverse shear-resistant reinforcing steel bar connecting device for concrete bridge deck slabs |
| CN204401444U (en) * | 2014-12-30 | 2015-06-17 | 上海浦东建筑设计研究院有限公司 | A kind of high embankment filled soil end of the bridge anti-settling structure |
Non-Patent Citations (1)
| Title |
|---|
| 桥头搭板的改进设计;徐变等;《中外公路》;20050228;第25卷(第1期);第28-31页 * |
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