CN109868721A - A kind of integrated precast bridge floor affiliated facility - Google Patents
A kind of integrated precast bridge floor affiliated facility Download PDFInfo
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- CN109868721A CN109868721A CN201910182231.1A CN201910182231A CN109868721A CN 109868721 A CN109868721 A CN 109868721A CN 201910182231 A CN201910182231 A CN 201910182231A CN 109868721 A CN109868721 A CN 109868721A
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- wall
- bottom plate
- bridge floor
- protecting
- affiliated facility
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Abstract
The invention discloses a kind of integrated precast bridge floor affiliated facilities, including protecting wall (1), straight wall (2), abutment wall (3) and bottom plate (4), protecting wall (1) and the abutment wall (3) are respectively arranged at bottom plate (4) both ends, straight wall (2) is set between protecting wall (1) and abutment wall (3), protecting wall (1), straight wall (2), abutment wall (3) are successively set on bottom plate (4) in " mountain " font.A kind of integrated precast bridge floor affiliated facility provided by the invention is formed using integral preform, is effectively prevented cast-in-place concrete construction on bridge, be ensure that construction quality and green construction.
Description
Technical field
The present invention relates to public transit facility technical field, in particular to a kind of bridge floor affiliated facility.
Background technique
Existing high-speed railway and passenger-cargo co the bridge embedded bar generally on two side wing edge of box beam, cast-in-place concrete protection
Wall；Outermost shield is precast construction, pre-buried railing or sound barrier interface and connect reinforcing bar with bridge floor, need to pass through cast-in-place coagulation
Shield is connect by native straight wall with the bridge edge of a wing；Intermediate cable trough straight wall segmentation electric power slot and signal of communication slot, also using cast-in-place
Concrete need to do waterproof layer and certain thickness concrete cover in groove body bottom bridge floor exposed position.
This structure and form of construction work are higher to site requirement, while shield structure self weight is very big, needs to put into a large amount of people
Power and template, climate and human factor influence, and pouring construction quality is not easy to guarantee, construction period is longer, furthermore cast-in-place construction
On along thread environment, there is also influences.
Summary of the invention
In order to solve to carry out cast-in-place concrete construction on bridge, guarantee construction quality and green construction, the present invention provides
A kind of integrated precast bridge floor affiliated facility, this integrated precast bridge floor affiliated facility are integrally formed, from maintenance, structure
Simply, easy for installation, bearing capacity is good and has good durability.
A kind of integrated precast bridge floor affiliated facility provided by the invention, including integrally formed protecting wall, straight wall, abutment wall
And bottom plate, protecting wall and abutment wall are vertically set on the both ends of bottom plate, straight wall is vertically set on the middle part of bottom plate, protecting wall, straight wall
It is parallel to each other with abutment wall, protecting wall, abutment wall, the groove that bottom plate surrounds are divided into electric power slot and signal of communication slot by straight wall.Protection
Wall is primarily subjected to the horizontal impact forces after the train derailing of inside, plays blocking and guiding role, abutment wall bear railing or sound barrier
Horizontal and vertical load, straight wall bear sidewalk slab vertical load, and protecting wall, straight wall, abutment wall are by the horizontal, vertical load of receiving
Bottom plate is passed to, the horizontal, vertical load of receiving is passed to the bridge flange plate below structure by bottom plate by connecting elements.It is whole
Formula is prefabricated to need to be designed to different sizes according to construction, carry out splicing installation again in the construction process, convenient
The selection of construction, avoids the waste of material, while also providing convenience for the transport of product.
A kind of integrated precast bridge floor affiliated facility of the present invention, it is preferred that, abutment wall upper end is provided with peace
The mounting hole for being attached with bridge main body is vertically arranged on the inside of attaching mouth, protecting wall and abutment wall on bottom plate, using spiral shell
Bolt or other connection types are connect with bridge flange plate.
A kind of integrated precast bridge floor affiliated facility of the present invention, it is preferred that, protecting wall is up-narrow and down-wide
Structure, protects medial surface tilt angle≤10 ° of wallboard, tilt angle≤5 ° of the top surface of bottom plate, bottom plate longitudinal cross-section it is straight
Angle is trapezoidal, and right-angle side is bottom bottom edge, and trapezoidal bottom setting is arranged at protecting wall side, trapezoidal upper bottom in abutment wall side, can
Enough guarantee the use intensity of component, and the usage amount of Reactive Powder Concrete can be reduced, to reduce integrated precast bridge
The manufacturing cost of face affiliated facility.
A kind of integrated precast bridge floor affiliated facility of the present invention, it is preferred that, protecting wall, abutment wall and bottom plate
In be provided with continuity reinforcement(bar), by the way that corresponding stiffener is arranged in each component, it is attached to effectively increase integrated precast bridge floor
Belong to the structural strength and bearing capacity of facility, to make integrated precast bridge floor affiliated facility intensity with higher and durable
Property.
A kind of integrated precast bridge floor affiliated facility of the present invention, it is preferred that, protecting wall, straight wall, abutment wall
It is made with bottom plate of Reactive Powder Concrete, steel fibre is equably embedded in protecting wall, straight wall, abutment wall and bottom plate, utilized
The excellent mechanical property and endurance quality of Reactive Powder Concrete material, so that integrated precast bridge floor affiliated facility is with high-strength
Degree, high tenacity, high permeability resistant (seepage-resistant grade is greater than P16), high-durability and the intrusion that can effectively stop hazardous medium etc.
Characteristic, while having many advantages, such as that small weight, material saving, insulation, fire prevention, overall cost is low, environmental benefit is obvious, and particularly suitable
It is connected in high speed railway box girder.
A kind of integrated precast bridge floor affiliated facility of the present invention, it is preferred that, protecting wall, abutment wall, straight wall
Back plate connections are provided with chamfering, avoid generating stress concentration in junction, so that it is attached to improve integrated precast bridge floor
The service life of facility.
A kind of integrated precast bridge floor affiliated facility of the present invention, it is preferred that, protecting wall and abutment wall lower part
It is separately provided for placing pedestrian trail board and widens platform, widen that platform is contour with straight wall, convenient for the paving of pedestrian trail board
If.
A kind of integrated precast bridge floor affiliated facility of the present invention, it is preferred that, protecting wall two sides are set respectively
It is equipped with perfusion mortar in the vertical groove slot due to perfusion mortar, realizes that longitudinal shear resistance is connect with neighbouring protecting wall.
A kind of integrated precast bridge floor affiliated facility of the present invention, it is preferred that, protecting wall, straight wall and bottom plate
Inside is embedded with drainpipe.
A kind of integrated precast bridge floor affiliated facility of the present invention, it is preferred that, protecting wall side is provided with
Ground terminal for being attached with bridge floor integrated ground terminal.
The present invention using when be set up directly on and be reserved with the bridge flange plate of installation interface, pass through reserved bolt hole and bridge
Beam flange plate mounting hole cooperation, connect using bolt or other connection types with bridge flange plate, then with other integrated precasts
Bridge floor affiliated facility lateral connection.
Bridge floor affiliated facility provided by the invention, uses Reactive Powder Concrete to be made, utilizes Reactive Powder Concrete
The excellent mechanical property and endurance quality of material, so that bridge floor affiliated facility has high intensity, high tenacity, high permeability resistant, height resistance to
The characteristics such as long property and the intrusion that can effectively stop hazardous medium, while there is small weight, material saving, insulation, fire prevention, totality
At low cost, the advantages that environmental benefit is obvious, it is effectively reduced the burden of bridge main body load-carrying members, is suitable for railway bridge floor and attached
Belong to facility, and especially suitable for being connected with high speed railway box girder；In addition, being embedded the stiffener in each component, Neng Gouyou
Effect improves the structural strength and bearing capacity of bridge floor affiliated facility, and makes bridge floor affiliated facility intensity with higher and durable
Property；And by the mixing of steel fiber in Reactive Powder Concrete, there is good dispersion using steel fibre, to Reactive Powder Concrete
The attached power wrapped up in the characteristics such as reinforce, avoid protecting wall, straight wall and abutment wall and fall side arrisdefect, to improve making for bridge floor affiliated facility
Use the service life.
The present invention further uses protecting wall, straight wall, abutment wall and the molding of bottom plate integral preform, realizes modularization, mark
Standardization and batch production make, and guarantee structure pouring quality.Without carrying out cast-in-place concrete construction on bridge, avoid on bridge
Cast-in-place concrete construction ensure that construction quality and green construction.It is general using the prefabricated component comparison of Reactive Powder Concrete
Logical prefabricated concrete component, greatly reduces material utilization amount, alleviates construction weight, enables construction personnel more square
Just carry out in-site installation construction, while transport and installation cost can also be effectively reduced.
Detailed description of the invention
Fig. 1 is integrated precast bridge floor affiliated facility side structure schematic view；
Fig. 2 is integrated precast bridge floor affiliated facility overlooking structure diagram；
Fig. 3 is integrated precast bridge floor affiliated facility A-A the schematic diagram of the section structure.
Appended drawing reference:
1, protecting wall；2, straight wall；3, abutment wall；4, bottom plate；5, mounting hole；6, interface is installed；7, continuity reinforcement(bar)；8, widen flat
Face；9, vertical groove；10, ground terminal；11, electric power slot；12, signal of communication slot.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment 1
As shown in Figure 1, a kind of integrated precast bridge floor affiliated facility, including integrally formed protecting wall 1, straight wall 2, abutment wall
3 and bottom plate 4, protecting wall 1 and abutment wall 3 are vertically set on the both ends of bottom plate 4, and straight wall 2 is vertically set on the middle part of bottom plate 4, protects
Wall 1, straight wall 2 and abutment wall 3 are parallel to each other, and protecting wall 1, abutment wall 3, the groove that bottom plate 4 surrounds are divided into 11 He of electric power slot by straight wall 2
Signal of communication slot 12.Adjusting 2 position of straight wall in integrated precast bridge floor affiliated facility can be real to power supply, communication and each profession of signal
Border cable trough space function demand is adjusted.1 two sides of protecting wall are respectively arranged with the vertical groove 9 due to perfusion mortar.Slot
Interior perfusion mortar realizes that longitudinal shear resistance is connect with neighbouring protecting wall.Protecting wall 1 and 3 lower part of abutment wall are separately provided for placing
Pedestrian trail board's widens platform 8, widens platform 8 and straight wall 2 is contour.It is wide no more than 5cm to widen platform.Protecting wall 1, straight wall 2,
Abutment wall 3 and bottom plate 4 are that Reactive Powder Concrete integral preform forms, equably embedding in protecting wall 1, straight wall 2, abutment wall 3 and bottom plate 4
Equipped with steel fibre.Using the excellent mechanical property and endurance quality of Reactive Powder Concrete material, so that integrated precast bridge floor
Affiliated facility has high intensity, high tenacity, high permeability resistant (seepage-resistant grade is greater than P16), high-durability and can effectively stop
The characteristics such as the intrusion of hazardous medium, while having that small weight, material saving, insulation, fire prevention, overall cost is low, overall cost is low, ring
Protect the advantages that benefit is evident, be effectively reduced the burden of bridge main body load-carrying members, and especially suitable for high speed railway box girder
It is connected.It should be noted that there was only one of straight wall 2 in integrated precast bridge floor affiliated facility shown in fig. 1, but its specific number
Amount is not limited with this, according to the length of the needs of actual use and bottom plate 4, the settable even more straight walls 2 of twice, and each prefabricated list
Defined interval is separated between member, and continuous whole bridge baffle system is formed by on-site consolidation.
As shown in Fig. 2, 3 upper end of abutment wall is provided with the installation interface 6 for installing railing or sound barrier, protecting wall 1 and side
The mounting hole 5 for being attached with bridge main body is vertically arranged on 3 inside bottom plate 4 of wall.By reserving installation hole 5 and in bridge
Pre-fabricated electric cables slot protecting wall is fixed on bridge main body by pre-buried connecting elements in beam body.
As shown in figure 3, being embedded with the staggered stiffener of transverse and longitudinal in protecting wall 1；Transverse and longitudinal is embedded in abutment wall 3 to interlock
Stiffener: be embedded with transverse and longitudinal in bottom plate 4 and interlock bottom plate stiffener, pass through to be arranged in each component and corresponding reinforce steel
Muscle, effectively improves the structural strength and bearing capacity of integrated precast bridge floor affiliated facility, to keep integrated precast bridge floor attached
Belong to facility intensity with higher and durability.
The thickness of protecting wall 1 is less than or equal to 120mm, and the thickness of straight wall 2 is less than or equal to 60mm, and the thickness of abutment wall 3 is less than etc.
In 100mm.Protecting wall 1, straight wall 2, abutment wall 3 and 4 junction of bottom plate are equipped with rounded corner, i.e., in protecting wall 1, straight wall 2,3 and of abutment wall
4 junction of bottom plate is circular sliding slopes, can be avoided generate stress concentration in junction in this way, to improve integrated precast
The service life of bridge floor affiliated facility.
Optionally, 1 thickness of protecting wall is less than or equal to 250mm, and 2 thickness of straight wall is less than or equal to 100mm, and 3 thickness of abutment wall is less than
Equal to 350mm, 4 thickness of bottom plate is less than or equal to 200mm.Integrated precast bridge floor affiliated facility element length is more than or equal to 500mm
And it is less than or equal to 2000mm.
Protecting wall 1 and bottom plate 2 are gradient thickness structure, medial surface tilt angle≤10 ° of protecting wall 1, the top surface of bottom plate 4
Tilt angle≤5 °, the right-angled trapezium of 4 longitudinal cross-section of bottom plate, right-angle side be bottom 4 bottom edges.Trapezoidal bottom is arranged in protecting wall
1 side, trapezoidal upper bottom are arranged in 3 side of abutment wall.In this way, can either guarantee the use intensity of component, and activity powder can be reduced
The usage amount of last concrete, to reduce the manufacturing cost of integrated precast bridge floor affiliated facility.
Optionally, protecting wall 1 and bottom plate 4 are consistency of thickness structures, i.e., the tilt angle of the side of protecting wall 1 is equal to 0 degree,
The tilt angle of the top surface of column 2 is equal to 0 degree.
The 4 pre-buried drainpipe in inside of protecting wall 1, straight wall 2 and bottom plate, bridge deck drainage pipe rainwater converged to protecting wall.
Illustrate what integrated precast bridge floor affiliated facility provided by the invention was born at work with reference to the accompanying drawing
The transmittance process of load:
As shown in Figure 1, protecting wall 1, straight wall 2, abutment wall 3 by the horizontal, vertical load transmission of receiving to bottom plate 4, bottom plate 4 will be held
The horizontal, vertical load transmission received gives bridge main body structure.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of integrated precast bridge floor affiliated facility, it is characterised in that: including integrally formed protecting wall (1), straight wall (2),
Abutment wall (3) and bottom plate (4), the protecting wall (1) and the abutment wall (3) are vertically set on the both ends of the bottom plate (4), described perpendicular
Wall (2) is vertically set on the middle part of the bottom plate (4), and the protecting wall (1), the straight wall (2) and the abutment wall (3) are mutually flat
The groove that the protecting wall (1), the abutment wall (3), the bottom plate (4) surround is divided into electric power slot by row, the straight wall (2)
(11) and signal of communication slot (12).
2. a kind of integrated precast bridge floor affiliated facility according to claim 1, it is characterised in that: on the abutment wall (3)
End is provided with the installation interface (6) for installation fitting, on the inside of the protecting wall (1) and the abutment wall (3) on the bottom plate (4)
It is vertically arranged with the mounting hole (5) for being attached with bridge main body.
3. a kind of integrated precast bridge floor affiliated facility according to claim 1, it is characterised in that: the protecting wall (1)
For up-narrow and down-wide structure, medial surface tilt angle≤10 ° of protecting wall (1) plate, the inclination angle of the top surface of the bottom plate (4)
≤ 5 ° of degree, the right-angled trapezium of bottom plate (4) longitudinal cross-section, right-angle side are described bottom (4) bottom edge.Trapezoidal bottom is arranged in institute
Protecting wall (1) side is stated, trapezoidal upper bottom is arranged in the abutment wall (3) side.
4. a kind of integrated precast bridge floor affiliated facility according to claim 3, it is characterised in that: the protecting wall (1),
Continuity reinforcement(bar) (7) are provided in the abutment wall (3) and the bottom plate (4).
5. a kind of integrated precast bridge floor affiliated facility according to claim 3, it is characterised in that: the protecting wall (1),
The straight wall (2), the abutment wall (3) and the bottom plate (4) are made of Reactive Powder Concrete, the protecting wall (1), described perpendicular
Steel fibre is equably embedded in wall (2), the abutment wall (3) and the bottom plate (4).
6. a kind of integrated precast bridge floor affiliated facility, feature described in any one of its exist according to claim 1~5
In: the protecting wall (1), the abutment wall (3), the straight wall (2) and the bottom plate (4) junction are provided with chamfering.
7. a kind of integrated precast bridge floor affiliated facility, feature described in any one of its exist according to claim 1~5
Widen platform (8), institute in what: the protecting wall (1) and the abutment wall (3) lower part were separately provided for placing pedestrian trail board
It states and widens platform (8) and the straight wall (2) is contour.
8. a kind of integrated precast bridge floor affiliated facility, feature described in any one of its exist according to claim 1~5
In: protecting wall (1) two sides are respectively arranged with the vertical groove (9) due to perfusion mortar.
9. a kind of integrated precast bridge floor affiliated facility, feature described in any one of its exist according to claim 1~5
In: it is embedded with inside the protecting wall (1), the straight wall (2) and the bottom plate (4) and discharges water into the protecting wall (1) one
The drainpipe of side.
10. a kind of integrated precast bridge floor affiliated facility, feature described in any one of its exist according to claim 1~5
In: protecting wall (1) side is provided with the ground terminal (10) for being attached with bridge floor integrated ground terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182231.1A CN109868721A (en) | 2019-03-12 | 2019-03-12 | A kind of integrated precast bridge floor affiliated facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182231.1A CN109868721A (en) | 2019-03-12 | 2019-03-12 | A kind of integrated precast bridge floor affiliated facility |
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| Publication Number | Publication Date |
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| CN109868721A true CN109868721A (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910182231.1A Pending CN109868721A (en) | 2019-03-12 | 2019-03-12 | A kind of integrated precast bridge floor affiliated facility |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110528386A (en) * | 2019-09-09 | 2019-12-03 | 中国建筑土木建设有限公司 | High-speed railway bridge deck system structure based on prefabricated cable grooves and construction method thereof |
| CN111576236A (en) * | 2020-06-01 | 2020-08-25 | 中铁四局集团第二工程有限公司 | Method for mounting integral type prefabricated bridge deck auxiliary structure |
| CN111576251A (en) * | 2020-06-16 | 2020-08-25 | 中国铁路设计集团有限公司 | Construction method for on-site assembly of integral bridge deck system |
| CN112554051A (en) * | 2020-11-16 | 2021-03-26 | 广州地铁设计研究院股份有限公司 | Prefabricated part and bridge structure |
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Cited By (5)
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|---|---|---|---|---|
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| CN111576251A (en) * | 2020-06-16 | 2020-08-25 | 中国铁路设计集团有限公司 | Construction method for on-site assembly of integral bridge deck system |
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| CN112554051A (en) * | 2020-11-16 | 2021-03-26 | 广州地铁设计研究院股份有限公司 | Prefabricated part and bridge structure |
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Application publication date: 20190611 |