CN106812059B - The attachment device of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap - Google Patents
The attachment device of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap Download PDFInfo
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- CN106812059B CN106812059B CN201710187381.2A CN201710187381A CN106812059B CN 106812059 B CN106812059 B CN 106812059B CN 201710187381 A CN201710187381 A CN 201710187381A CN 106812059 B CN106812059 B CN 106812059B
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- bent cap
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- girder
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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
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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
- E01D2101/00—Material constitution of bridges
- E01D2101/40—Plastics
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Device the invention belongs to bridge construction technical field, in particular on a kind of big longitudinal slope mountain highway halfway up the hill bridge.A kind of attachment device of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap designed by the present invention is vertically arranged anchor bar in the junction of adjacent step, the anchor bar is run through by the junction of adjacent triangle voussoir into plate-girder on the bent cap of down-hill end；On the bent cap of up-hill end, it is vertically arranged pvc pipe in the junction of adjacent step, anchor bar is inserted perpendicularly into pvc pipe, and is run through by the junction of adjacent triangle voussoir into plate-girder, while filled bitumen in the gap between pvc pipe and anchor bar；By the way that anchor bar is arranged between beam slab end and bent cap, and use semirigid connection type semi-elastic, it can effectively avoid bridge superstructure from biggish length travel occur, preferably guarantee the safety of bridge, the mountain highway halfway up the hill bridge suitable for longitudinal slope greater than 4% uses.
Description
Technical field
Dress the invention belongs to bridge construction technical field, in particular on a kind of big longitudinal slope mountain highway halfway up the hill bridge
It sets.
Background technique
Halfway up the hill bridge uses less, design and construction for this class formation significant points etc. in similar projects at home
Research it is less, in the design and work progress of engineering, face the problems such as route bending radius is small, longitudinal slope is big, especially exist
When long and steep downgrade section is more, it may result in the beam slab being held at bent cap on longitudinal slope and glide, result even in collapsing for bridge
It collapses.And in Bridge Design, according to " highway bridge and culvert design general specification ", bridge longitudinal slope is not preferably greater than 4%, but in Practical Project
In design, the case where bridge longitudinal slope is greater than 4%, often occurs, this brings certain difficulty to big longitudinal slope bridge longitudinal spacing.
At present to reduce beam body longitudinally downslide displacement, reasonable line arrangement can be used, setting beam bottom levels steel plate, setting support limit
The modes such as longitudinal block and setting pier consolidation are arranged in position device.But when bridge longitudinal slope is larger, common limit method
It can no longer meet requirement.For the longitudinal spacing problem of big longitudinal slope bridge, there are no good solutions at present.
Summary of the invention
Effectively bridge superstructure can be avoided to occur it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of
Larger length travel, while simple structure, convenient, the more preferable big longitudinal slope mountain highway halfway up the hill bridge plate for guaranteeing bridge safty of constructing
The attachment device of beam and bent cap.
In order to achieve the above object, the company of a kind of big longitudinal slope mountain highway the halfway up the hill bridge plate beam and bent cap designed by the present invention
Connection device, it includes plate-girder, bent cap, and plate-girder is placed on bent cap, is set on the plate-girder bottom surface being in contact with bent cap along direction across bridge
Several triangle voussoirs are set, several steps are set along direction across bridge in bent cap top surface, the step on the triangle voussoir and bent cap top surface
It matches, so that the contact surface of plate-girder and bent cap is in a horizontal state；On the bent cap of down-hill end, hang down in the junction of adjacent step
Straight setting anchor bar, the anchor bar are run through by the junction of adjacent triangle voussoir into plate-girder；In the lid of up-hill end
Liang Shang is vertically arranged pvc pipe in the junction of adjacent step, and anchor bar is inserted perpendicularly into pvc pipe, and passes through adjacent triangle wedge
The junction of block is run through into plate-girder, while filled bitumen in the gap between pvc pipe and anchor bar.
Several blocks of plate-girders can be set between two bent caps along direction across bridge, the bottom surface of every block of plate-girder can be set one piece or
Muti-piece triangle voussoir.
The triangle voussoir is that right angle trigonometry voussoir, the right-angle side of right angle trigonometry voussoir and the bottom surface of step and side wall paste
It closes；The triangle voussoir can also be acute angle triangle voussoir, angle>=60 degree,<90 degree.
To be tightly combined plate-girder with bent cap top surface, asphalt felt can be padded in junction.
The present invention provides the attachment device of a kind of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap, by beam slab end
Anchor bar is set between bent cap, and uses semirigid connection type semi-elastic, bridge top can effectively be avoided to tie
There is biggish length travel in structure, preferably guarantees the safety of bridge, and 4% mountain highway halfway up the hill bridge is greater than suitable for longitudinal slope
It uses.
Anchor bar is preset at adjacent step while pouring bent cap in such a way that rigidity is hinged in down-hill end
Between, lower part pours together with bent cap, when cast-in-place top plate-girder, then by the anchor bar other end it is cast-in-place enter plate-girder.It is going up a slope
End, by the way of elasticity consolidation, pvc pipe is preset between adjacent step by when construction while pouring bent cap, cast-in-place
Before the plate-girder of top, anchor bar is inserted into, while with the gap between No. 70 bituminous seal pvc pipes and anchor bar, passing through 70
The elasticity modulus of number pitch achievees the purpose that elasticity consolidation, finally by the other end of anchor bar it is cast-in-place enter plate-girder.Consider by
Power function influence, plate-girder down-hill end is easy to happen a degree of sliding, and the horizontal force of plate-girder down-hill end is slightly larger than upward slope
Section, from fixed effect for, descending is hinged using rigidity, it is more effective using elasticity consolidation to go up a slope.Therefore, the present invention solves simultaneously
The slippage for big longitudinal slope mountain highway halfway up the hill bridge ascents and descents section of having determined, has been effectively ensured the safety of big longitudinal slope halfway up the hill bridge
And service life.
Detailed description of the invention
Fig. 1 be the embodiment of the present invention 1,2 down-hill ends along bridge to structural schematic diagram.
Fig. 2 is the structural schematic diagram of 1 down-hill end direction across bridge of the embodiment of the present invention.
Fig. 3 be the embodiment of the present invention 1,2 up-hill ends along bridge to structural schematic diagram.
Fig. 4 is the structural schematic diagram of 1 up-hill end direction across bridge of the embodiment of the present invention.
Fig. 5 is the structural schematic diagram of 2 down-hill end direction across bridge of the embodiment of the present invention.
Fig. 6 is the structural schematic diagram of 2 up-hill end direction across bridge of the embodiment of the present invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawing.
Embodiment 1
As Figure 1-Figure 4, the connection of a kind of big longitudinal slope mountain highway the halfway up the hill bridge plate beam and bent cap of the present embodiment description
Device, it includes plate-girder 1, bent cap 2, and two pieces of triangle voussoirs are arranged along direction across bridge on the bottom surface being in contact with bent cap in every block of plate-girder
3, two steps 4, the triangle voussoir and the step phase on bent cap top surface are accordingly set on the bent cap top surface below every block of plate-girder
Cooperation is so that the contact surface of plate-girder and bent cap is in a horizontal state；The triangle voussoir is right angle trigonometry voussoir, right angle trigonometry voussoir
Right-angle side be bonded with the bottom surface of step and side wall；On the bent cap of down-hill end, anchor is vertically arranged in the junction of adjacent step
Gu reinforcing bar 5, the anchor bar is run through by the junction of adjacent triangle voussoir into plate-girder；On the bent cap of up-hill end,
The junction of adjacent step is vertically arranged pvc pipe 6, and anchor bar 5 is inserted perpendicularly into pvc pipe, and passes through adjacent triangle voussoir
Junction is run through into plate-girder, while filled bitumen 7 in the gap between pvc pipe and anchor bar.
Anchor bar 5 is preset between adjacent step 4 while pouring bent cap 2 in down-hill end, construction, lower part with
Bent cap pours together, when cast-in-place top plate-girder 1, then by the anchor bar other end it is cast-in-place enter plate-girder.In up-hill end, construction
Pvc pipe 6 is preset between adjacent step 4 while pouring bent cap 2, before cast-in-place top plate-girder 1, anchor bar 5 is inserted into,
The gap between pvc pipe 6 and anchor bar 5 is sealed with No. 70 pitches 7 simultaneously, bullet is reached by the elasticity modulus of No. 70 pitch
Property consolidation purpose, finally by the other end of anchor bar 5 it is cast-in-place enter plate-girder 1.
Embodiment 2
As shown in Fig. 1, Fig. 3, Fig. 5, Fig. 6, a kind of big longitudinal slope mountain highway halfway up the hill bridge plate beam and lid of the present embodiment description
The attachment device of beam, it includes plate-girder 1, bent cap 2, and every block of plate-girder is arranged two pieces along direction across bridge on the bottom surface being in contact with bent cap
Triangle voussoir 3, is accordingly arranged two steps 4 on the bent cap top surface below every block of plate-girder, on the triangle voussoir and bent cap top surface
Step match so that the contact surface of plate-girder and bent cap is in a horizontal state；The triangle voussoir is acute angle triangle voussoir, angle
>=60 degree,<90 degree of degree；On the bent cap of down-hill end, anchor bar 5, the anchoring are vertically arranged in the junction of adjacent step
Reinforcing bar is run through by the junction of adjacent triangle voussoir into plate-girder；On the bent cap of up-hill end, in the junction of adjacent step
It is vertically arranged pvc pipe 6, anchor bar 5 is inserted perpendicularly into pvc pipe, and is run through by the junction of adjacent triangle voussoir into plate-girder
In, while filled bitumen 7 in the gap between pvc pipe and anchor bar.
Claims (5)
1. a kind of attachment device of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap, it is characterised in that: including plate-girder, bent cap,
Plate-girder is placed on bent cap, several triangle voussoirs is arranged along direction across bridge on the plate-girder bottom surface being in contact with bent cap, on bent cap top
Several steps are arranged along direction across bridge in face, and the triangle voussoir is matched with the step on bent cap top surface, so that plate-girder and bent cap
Contact surface is in a horizontal state；On the bent cap of down-hill end, anchor bar, the anchoring are vertically arranged in the junction of adjacent step
Reinforcing bar is run through by the junction of adjacent triangle voussoir into plate-girder；On the bent cap of up-hill end, in the junction of adjacent step
It is vertically arranged pvc pipe, anchor bar is inserted perpendicularly into pvc pipe, and is run through by the junction of adjacent triangle voussoir into plate-girder,
Filled bitumen in gap between pvc pipe and anchor bar simultaneously.
2. the attachment device of a kind of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap according to claim 1, feature
It is: several blocks of plate-girders is set along direction across bridge between two bent caps, one or more triangle wedge is arranged in the bottom surface of every block of plate-girder
Block.
3. the attachment device of a kind of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap according to claim 1 or 2, special
Sign is: the triangle voussoir is right angle trigonometry voussoir, and the right-angle side of right angle trigonometry voussoir is bonded with the bottom surface of step and side wall.
4. the attachment device of a kind of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap according to claim 1 or 2, special
Sign is: the triangle voussoir be acute angle triangle voussoir, angle>=60 degree,<90 degree.
5. the attachment device of a kind of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap according to claim 1, feature
It is: to be tightly combined plate-girder with bent cap top surface, pads asphalt felt in junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187381.2A CN106812059B (en) | 2017-03-27 | 2017-03-27 | The attachment device of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710187381.2A CN106812059B (en) | 2017-03-27 | 2017-03-27 | The attachment device of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106812059A CN106812059A (en) | 2017-06-09 |
| CN106812059B true CN106812059B (en) | 2018-12-28 |
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| CN201710187381.2A Active CN106812059B (en) | 2017-03-27 | 2017-03-27 | The attachment device of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183623B (en) * | 2018-09-20 | 2021-07-27 | 中建市政工程有限公司 | Precast beam bottom longitudinal slope construction method and device thereof |
| CN110396913B (en) * | 2019-08-07 | 2023-12-22 | 湖南联智科技股份有限公司 | Device for preventing pier from deviating in high pier bridge of large longitudinal slope |
| WO2021022671A1 (en) * | 2019-08-07 | 2021-02-11 | 湖南联智桥隧技术有限公司 | Device for preventing pier deviation of high-pier bridge having large longitudinal slope |
| CN112211038A (en) * | 2020-09-28 | 2021-01-12 | 中铁第一勘察设计院集团有限公司 | Toothed step face beam body structure under large-gradient condition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4365276B2 (en) * | 2004-06-29 | 2009-11-18 | 三井住友建設株式会社 | Suspended floor bridge |
| CN203096603U (en) * | 2013-01-21 | 2013-07-31 | 陈增顺 | Support structure for bridge with cross slope |
| CN104746420B (en) * | 2015-04-08 | 2016-06-29 | 福州大学 | A kind of construction method of the bridge top and the bottom attachment structure of overcoat rubber cap steel pipe |
| CN105064209B (en) * | 2015-08-25 | 2017-03-15 | 上海市政工程设计研究总院（集团）有限公司 | A kind of deck paving leveling Rotating fields and its leveling method |
| CN205576754U (en) * | 2016-05-05 | 2016-09-14 | 山西交科桥梁隧道加固维护工程有限公司 | Spacing crab -bolt of assembled plate -girder |
| CN206693039U (en) * | 2017-03-27 | 2017-12-01 | 恒基建设集团有限公司 | The attachment means of big longitudinal slope mountain highway halfway up the hill bridge plate beam and bent cap |
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| CN106812059A (en) | 2017-06-09 |
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