CN206706543U - A kind of deck transverse slope adjusts structure - Google Patents
A kind of deck transverse slope adjusts structure Download PDFInfo
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- CN206706543U CN206706543U CN201720481092.9U CN201720481092U CN206706543U CN 206706543 U CN206706543 U CN 206706543U CN 201720481092 U CN201720481092 U CN 201720481092U CN 206706543 U CN206706543 U CN 206706543U
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Abstract
本实用新型涉及一种桥面横坡调整结构，通过带横坡盖梁、台阶型垫石层、等高度预制梁及调坡桥面铺装层一系列调坡组件实现桥面横坡的设置；此结构适用于上部装配式施工的桥梁，具有宽桥或超高横坡特性的桥梁。每一级垫石顶面水平，保证支座及梁板水平搁置；各梁板顶面台阶错落，形成坡降；板梁间铰缝钢筋混凝土将各装配式梁板连成一体；钢筋混凝土桥面铺装层顶面呈横坡坡面；本实用新型结构方法合理巧妙、各预制梁板顶面恒载相同，利于预制梁板标准化施工，施工方便；既保证桥面设计横坡，又减小了预制梁板顶面现浇混凝土层自重荷载。
The utility model relates to a structure for adjusting the cross slope of the bridge deck, which realizes the setting of the cross slope of the bridge deck through a series of slope adjustment components including a cover beam with a cross slope, a stepped pad stone layer, a prefabricated beam of equal height and a slope adjustment bridge deck pavement layer. ; This structure is suitable for bridges with upper prefabricated construction, bridges with wide bridges or super high transverse slope characteristics. The top surface of each level of pad stone is horizontal to ensure that the support and beam slab are placed horizontally; the steps on the top surface of each beam slab are staggered to form a slope; The top surface of the loading layer is a cross-slope slope; the structure method of the utility model is reasonable and ingenious, and the dead load on the top surface of each prefabricated beam slab is the same, which is beneficial to the standardized construction of the prefabricated beam slab and is convenient for construction; it not only ensures the design cross slope of the bridge deck, but also reduces the The self-weight load of the cast-in-place concrete layer on the top surface of the prefabricated beam slab.
Description
Technical field
Bridge structure technical field is the utility model is related to, specifically a kind of deck transverse slope adjustment structure.
Background technology
The setting of deck transverse slope is mainly used in bridge deck drainage needs, generally sets 1.5% ~ 2% bridge floor cross fall.It is led
It is used to conflux the rainwater ponding on bridge floor in bridge floor runway both sides of the edge, then rainwater is concentrated into discharge bridge by collector pipe
Face.The consequence of the horizontal slope bed course of half range is poured in plate-girder top surface is：With the increase of runway quantity, bridge deck width increase, reinforcing bar
The gravity load of concrete horizontal slope bed course increases therewith, and the pave-load layer thickness difference increase of each prefabricated top surface of the beam；On the other hand, when
When bridge is located on the bend of circuit, in order to prevent vehicle centrifugation sliding from toppling, it is necessary to set bigger bridge floor superelevation horizontal slope, steel
The deadweight of reinforced concrete horizontal slope bed course also increases therewith, while each beam slab top surface thickness of cast-in-place concrete is also different therewith.Bridge floor
The increase of width and the increase of horizontal slope will all cause deck paving bed course dead load to greatly increase, and dead load is in the whole load effect of bridge
More than 60% has been accounted in answering, each beam slab design size difference, the increase of Pier Design size and unbalance loading effect will be caused, therefore should
Try to reduce horizontal slope bed course load.
Utility model content
The increase of increase and horizontal slope for above-mentioned bridge deck width in the prior art will all cause deck paving bed course dead load
The problem of greatly increasing, while bringing dead load inclined cloth effect, the utility model provide a kind of deck transverse slope adjustment structure.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of deck transverse slope adjusts structure, and the structure includes bent cap, pinner layer, bearing, the precast beam being arranged on bridge pier
Plate, hinge seam, bridge deck pavement and asphalt concrete layer, the pinner layer are arranged at the top of bent cap, and pinner layer is along deck transverse slope side
To in step, the equal keep level of two top surfaces and bottom surface is equipped with every one-level pinner layer step corresponding to each pier coping portion
And thickness identical bearing, each pair bearing support is in the bottom surface both sides of precast beam one end, and each pair bearing is wide along precast beam
Degree direction is symmetrical arranged, and hinge seam is provided between adjacent precast beam, and the top of precast beam is provided with bridge deck pavement, bridge floor paving
Dress layer is provided with asphalt concrete layer；The top surface horizontal slope of the bent cap is i% with slope with bridge floor runway；The bridge deck pavement
Top surface horizontal slope is i% with slope with bridge floor；The top surface per single order pinner layer is horizontal, and with the precast beam on its top
It is corresponding, it is corresponding with the center line coincidence of hinge seam at stepped ends absolute altitude change.
The top surface absolute altitude difference of the adjacent two ranks pinner layer is the product of pinner layer horizontal cross width and deck transverse slope,
Variable cross-section pinner layer minimum thickness is not less than 8cm.
The height of the precast beam is equal, and top surface bottom surface is horizontal, and its baseplate width is less than the width 1 per single order pinner layer
~ 2cm, i.e., hinge seam bottom preset slot width is 1 ~ 2cm.
Described bearing is rubber support.
The bent cap, pinner layer, hinge seam and bridge deck pavement use concrete cast-in-situ, are built-in with bar-mat reinforcement or reinforcing bar
Frame.
The bent cap concrete is not less than C25, and pinner layer and hinge seam concrete are not less than C40, concrete of bridge deck paving
Layer is C50.
The beneficial effects of the utility model：
Deck transverse slope provided by the utility model adjusts structure, by band horizontal slope bent cap, stepped ramp type pinner layer, etc. height it is pre-
A series of supertronic components of beam slab and supertronic bridge deck pavement processed realize the setting of deck transverse slope；This structure is applied to top assembled
The bridge of construction, there is wide bridge or the bridge of superelevation horizontal slope characteristic.It is horizontal per one-level pinner top surface, ensure that bearing and beam slab are horizontal
Shelve；Each beam slab top surface step is straggly, forms gradient；Each Fabricated Beam-Slab is connected by hinge seam armored concrete between plate-girder；
Reinforced concrete bridge deck pave-load layer top surface is domatic in horizontal slope；Reasonable ingenious, each precast beam top surface of the utility model structural approach
Dead load is identical, beneficial to precast beam standardized construction；Both ensured that bridge floor designed horizontal slope, it is cast-in-place mixed to reduce precast beam top surface again
Solidifying soil layer gravity load；So as to reduce the design size of beam slab and bridge substructure；Bridge floor is wider, and curved bridge superelevation is bigger,
The deck transverse slope cast-in-place concrete of saving is more, and required high-grade concrete is only original 1/n, and n is direction across bridge precast beam
Plate number, economic benefit are obvious.
Brief description of the drawings
Fig. 1 is that the utility model horizontal slope adjusts structural representation；
Fig. 2 is Fig. 1 I-I profile；
Fig. 3 is pinner step and hinge seam lower edge drawing；
Reference：1st, bent cap, 2, pinner layer, 3, bearing, 4, precast beam, 5, hinge seam, 51, preset slot, 6, bridge floor paving
Dress, 7, asphalt concrete layer.
Embodiment
The utility model is further elaborated with reference to embodiment.
As shown in the figure：A kind of deck transverse slope adjusts structure, bent cap 1 that the structure includes being arranged on bridge pier, pinner layer 2,
Bearing 3, precast beam 4, hinge seam 5, bridge deck pavement 6 and asphalt concrete layer 7, the pinner layer 2 are arranged on the top of bent cap 1,
Pinner layer 2 is in step along deck transverse slope direction, and two are equipped with every step of one-level pinner layer 2 corresponding to each pier coping portion
The equal keep level of top surface and bottom surface and thickness identical bearing 3, each pair bearing 3 are supported on the bottom surface both sides of the one end of precast beam 4,
Hinge seam 5, precast beam 4 are provided with and each pair bearing 3 is symmetrical arranged along the width of precast beam 4, between adjacent precast beam 4
Top be provided with bridge deck pavement 6, bridge deck pavement 6 is provided with asphalt concrete layer 7；The top surface horizontal slope and bridge of the bent cap 1
Face runway is i% with slope；The top surface horizontal slope of bridge deck pavement 6 is i% with slope with bridge floor；The top per single order pinner layer 2
Face is horizontal, and corresponding with the precast beam 4 on its top, and at stepped ends absolute altitude change and hinge stitches 5 center line weight
Close corresponding；The absolute altitude difference of the adjacent two ranks pinner layer 2 is the product of the horizontal cross width of pinner layer 2 and deck transverse slope, is padded
The minimum thickness of rock layers 2 is not less than 8cm；The height of the precast beam 4 is equal, and top surface bottom surface is horizontal, and its baseplate width is less than every
1 ~ 2cm of width of single order pinner layer 2, i.e., the hinge seam width of 5 bottom preset slot 51 is 1 ~ 2cm；The bent cap 1, pinner layer 2, hinge seam 5
And deck paving 6 uses concreting, is built-in with framework of steel reinforcement；The concrete of bent cap 1 is not less than C25, the He of pinner layer 2
Hinge 5 concrete of seam are C50 not less than C40, the concrete layer of deck paving 6；Bridge floor asphalt concrete layer uses particulate formula and middle grain
Formula bituminous concrete；Along the length direction of precast beam 4, its both ends bottom surface respectively sets one group of bearing being arranged symmetrically 3, the bearing 3
For the equal rubber support of thickness.
The top surface horizontal slope of bent cap 1 should be designed to bridge floor runway herein with slope i%；Bent cap may be designed as top surface and bottom surface
It is gradient identical bent cap, bottom surface level can also be designed to, top surface is the trapezoidal bent cap on slope.
Pinner layer 2 must be designed to step, and a piece of precast beam is corresponded to per single order pinner, and pinner step top absolute altitude becomes
It is corresponding with hinge seam 5 center lines coincidence at change；Pinner can be designed to separate type, can also be designed to monoblock type；Per single order
Pinner top surface must keep level；The absolute altitude difference of adjacent two ranks pinner end is the product of pinner horizontal length and deck transverse slope,
It should ensure that pinner layer minimum thickness is not less than 8 centimetres, pinner top corresponding to bearing lower section should set encryption bar-mat reinforcement.
Bearing 3 is located at the end bottom surface both sides of precast beam 4, and bearing should be positioned strictly, and keeps top surface bottom surface horizontal.No
Bearing or spherical crown bearing with top slope must be used.Bearing thickness should be equal.
The beam of precast beam 4 such as is designed at the height, and the horizontal standardized components of top surface, should to prevent girder from tilting unstability
Ensure that main beam member level is shelved on bearing 3.The baseplate width of precast beam 4 should be slightly less than every length about 1 ~ 2 of single order pinner layer 2
Centimetre, i.e., hinge stitches the width of lower edge preset slot 51, is laid in order to which beam slab lifts, and prevents from squeezing fender stone during adjacent Installation of beam slab and breaking
It is bad.
Hinge seam 5 is reserved between adjacent precast beam 4, in favor of bridge beam slab lateral connection, realizes the cross direction profiles of load
And continuous slab-deck.Pour the top surface of precast beam 4 to mat formation concrete, bridge deck pavement top surface is formed face of slope i%.Hinge seam 5
Connection reinforcing bar is provided with from top to bottom, and connection reinforcing bar can be pre-buried when beam slab is prefabricated, and hinge seam coagulation local product is not less than No. 40.
Hinge seam concrete is poured, after concrete initial set, wharf's pavement quality is carried out to hinge seam top surface concrete；Pave-load layer coagulation
Soil is from absolute altitude downside to high side one-time-concreting.Deck Concrete Pavement includes cast-in-place concrete layer and asphalt concrete layer, pitch
Concrete layer is uniform thickness in-situ layer.
A kind of laying method of deck transverse slope adjustment structure as described above, comprises the following steps：
Step 1：Bent cap is poured, bent cap should ensure that bent cap top horizontal slope and the same slope of bridge floor, control both ends absolute altitude at the top of bent cap,
Bent cap, which pours, to be carried out from absolute altitude downside to high side；
Step 2：After bent cap final set, dabbing bent cap top surface, cement mortar of the 1~2cm of paving with bent cap with proportioning；According to bridge
It is poor per single order pinner layer end height that face horizontal slope calculates, and pinner layer is secondary to pour completion, ensures horizontal per single order pinner layer top surface
And designed elevation；
Step 3：It is floating using dry cement mortar on pinner layer, it is accurately positioned support position, erection support；Often
Corresponding to individual pier coping portion two thickness identical bearings are symmetrically laid on every one-level pinner layer step；
Step 4：Accurate lifting lay precast beam on bearing, ensure bearing top surface and precast beam bottom surface it is closely connected and
Preset slot width；The transverse steel reserved between precast beam is connected, hinge seam reinforcing bar is laid, is welded and fixed with reserved steel bar；With
Cement mortar carries out hinge and seams bottom, and mortar strength cuts with scissors seam concrete up to 50% with after-pouring；
Step 5：Hinge seam concreting, ensure vibration compacting by vibrating spout, the concreting of hinge seam is highly than pre-
The low 2cm of beam slab top surface processed.After concrete initial set, wharf's pavement quality is carried out to hinge seam top surface concrete；
Step 6：Bridge floor reinforced concrete pavement layer is poured, thickness is not less than 10cm, and top surface forms face of slope i%, etc.
Thickness one-time-concreting asphalt concrete layer prevents the appearance of Construction Joint to floor elevation.
Bent cap concreting, by bent cap top dabbing after final set, until concrete shows out aggregate, after-pouring pinner concrete；
Prevent bearing pad stone from bonding bad, phenomenon of coming to nothing with bent cap top surface.
Bearing level is shelved on pinner；When using sliding support, beam slab bottom surface bearing contact range needs embedded bar
And steel plate.
Each beam slab lateral connection is overall by beam slab embedded bar by hinge seam concrete., will before pouring hinge seam concrete
Beam slab web outside dabbing, with cement mortar back cover.
Bridge deck pavement is located at beam slab and hinge seam top surface.Beam slab and hinge seam top surface scum silica frost, laitance, high pressure should be cut before pouring
Water is rinsed well, ensures that bridge deck pavement is combined closely with beam slab.
After bridge floor cast-in-place concrete layer surface galling, waterproof-and-binding layer is poured, modified emulsifying asphalt water-repellent paint can be used.
Asphalt concrete pavement is poured on waterproof layer again.
Claims (6)
1. a kind of deck transverse slope adjusts structure, it is characterised in that：The structure includes the bent cap being arranged on bridge pier（1）, pinner layer
（2）, bearing（3）, precast beam（4）, hinge seam（5）, bridge deck pavement（6）And asphalt concrete layer（7）, the pinner layer（2）
It is arranged on bent cap（1）Top, pinner layer（2）It is in step along deck transverse slope direction, per one-level pad corresponding to each pier coping portion
Rock layers（2）The equal keep level of two top surfaces and bottom surface and thickness identical bearing are equipped with step（3）, each pair bearing（3）Branch
Hold in precast beam（4）The bottom surface both sides of one end, and each pair bearing（3）Along precast beam（4）Width is symmetrical arranged, adjacent
Precast beam（4）Between be provided with hinge seam（5）, precast beam（4）Top be provided with bridge deck pavement（6）, bridge deck pavement（6）
It is provided with asphalt concrete layer（7）；The bent cap（1）Top surface horizontal slope and bridge floor runway with slope be i%；The deck paving
Layer（6）Top surface horizontal slope is i% with slope with bridge floor；Every single order pinner layer（2）Top surface be horizontal, and with its top
Precast beam（4）It is corresponding, stitched at stepped ends absolute altitude change with hinge（5）Center line overlap it is corresponding.
2. deck transverse slope as claimed in claim 1 adjusts structure, it is characterised in that：The adjacent two ranks pinner layer（2）Top
Face absolute altitude difference is pinner layer（2）The product of horizontal cross width and deck transverse slope, variable cross-section pinner layer（2）Minimum thickness is not small
In 8cm.
3. deck transverse slope as claimed in claim 1 adjusts structure, it is characterised in that：The precast beam（4）Height it is equal,
Top surface bottom surface is horizontal, and its baseplate width is less than per single order pinner layer（2）1 ~ 2cm of width, i.e., hinge seam（5）Bottom preset slot（51）
Width is 1 ~ 2cm.
4. deck transverse slope as claimed in claim 1 adjusts structure, it is characterised in that：Described bearing（3）For rubber support.
5. deck transverse slope as claimed in claim 1 adjusts structure, it is characterised in that：The bent cap（1）, pinner layer（2）, hinge seam
（5）And bridge deck pavement（6）Concrete cast-in-situ is used, is built-in with bar-mat reinforcement or framework of steel reinforcement.
6. deck transverse slope as claimed in claim 5 adjusts structure, it is characterised in that：The bent cap（1）Concrete is not less than
C25, pinner layer（2）Stitched with hinge（5）Concrete is not less than C40, bridge deck pavement（6）Concrete layer is C50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720481092.9U CN206706543U (en) | 2017-05-03 | 2017-05-03 | A kind of deck transverse slope adjusts structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720481092.9U CN206706543U (en) | 2017-05-03 | 2017-05-03 | A kind of deck transverse slope adjusts structure |
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| Publication Number | Publication Date |
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| CN206706543U true CN206706543U (en) | 2017-12-05 |
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| CN201720481092.9U Expired - Fee Related CN206706543U (en) | 2017-05-03 | 2017-05-03 | A kind of deck transverse slope adjusts structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894325A (en) * | 2017-05-03 | 2017-06-27 | 洛阳理工学院 | A kind of deck transverse slope adjusts structure and laying method |
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2017
- 2017-05-03 CN CN201720481092.9U patent/CN206706543U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894325A (en) * | 2017-05-03 | 2017-06-27 | 洛阳理工学院 | A kind of deck transverse slope adjusts structure and laying method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20180503 |
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| CF01 | Termination of patent right due to non-payment of annual fee |