CN212452291U - Vibration and noise reduction type bridge deck - Google Patents

Vibration and noise reduction type bridge deck Download PDF

Info

Publication number
CN212452291U
CN212452291U CN202020762566.9U CN202020762566U CN212452291U CN 212452291 U CN212452291 U CN 212452291U CN 202020762566 U CN202020762566 U CN 202020762566U CN 212452291 U CN212452291 U CN 212452291U
Authority
CN
China
Prior art keywords
damping
profiled steel
steel sheet
vibration
comb
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.)
Active
Application number
CN202020762566.9U
Other languages
Chinese (zh)
Inventor
王宇博
张迅
卢斌
赵阳
文泽海
何雨衡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Jiaotong University
Original Assignee
Southwest Jiaotong University
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 Southwest Jiaotong University filed Critical Southwest Jiaotong University
Priority to CN202020762566.9U priority Critical patent/CN212452291U/en
Application granted granted Critical
Publication of CN212452291U publication Critical patent/CN212452291U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a type of making an uproar bridge deck slab falls in damping relates to the bridge damping field of making an uproar of falling, include: the device comprises a profiled steel sheet, a bridge deck assembly and a vibration reduction assembly; a plurality of grooves which are integrally formed with the profiled steel sheet and have U-shaped longitudinal sections are arranged on the profiled steel sheet at intervals, and the grooves and the profiled steel sheet extend in the same direction; the bridge deck assembly comprises a concrete layer arranged on the surface of the profiled steel sheet and elastic base plates arranged on the surfaces of the profiled steel sheets on the two sides of the grooves; damping subassembly sets up in the recess, and damping subassembly includes: the damping comb that sets up on recess upper portion and set up the first damping piece in damping comb below, the damping comb include with recess assorted cavity and a plurality of interval setting at the broach of cavity upper surface, be equipped with the second damping piece between a plurality of broaches, the top of broach and second damping piece all flushes with profiled sheet's face, this utility model provides a current decking damping noise reduction effect not good, later maintenance work is many, the great scheduling problem of dead weight.

Description

Vibration and noise reduction type bridge deck
Technical Field
The utility model relates to a bridge damping field of making an uproar, concretely relates to type of making an uproar bridge deck falls in damping.
Background
When a vehicle runs on a bridge, impact energy caused by the irregularity of the road surface is transmitted to the bridge and excites the structural member to vibrate. Due to the large surface area of the bridge member, the radiated noise is also large, and the part of the noise source is called bridge structure noise. For the bridge constructed by steel, the noise of the bridge structure can be increased by 3-20 dB (A), and the noise pollution is difficult to prevent. With the continuous revolution of bridge technology and the continuous demand of relieving the excess of steel productivity, steel bridges will become important development directions of bridge engineering in China in the future. However, if a steel bridge is built in an urban noise-sensitive area, noise pollution is one of the problems that must be solved first, and therefore, reducing the noise of a bridge deck is an important problem to be solved in bridge construction. In addition, the bridge deck is an important component in the bridge structure, and not only participates in the overall stress of the bridge structure, but also directly bears the vehicle load, and transmits the vehicle load on the bridge to other structural components, so that the structure, the strength and the like of the bridge deck also influence the transmission and the attenuation of vibration.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a type of making an uproar decking falls in damping to solve current decking damping noise reduction effect not good, later maintenance work is many, the great scheduling problem of dead weight.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a vibration and noise reducing deck slab comprising: the device comprises a profiled steel sheet, a bridge deck assembly arranged on the profiled steel sheet and a vibration damping assembly arranged in the profiled steel sheet; a plurality of grooves which are integrally formed with the profiled steel sheet and have U-shaped longitudinal sections are arranged on the profiled steel sheet at intervals, and the grooves and the profiled steel sheet extend in the same direction; the deck assembly includes: the concrete layer is arranged on the surface of the profiled steel sheet, and the elastic base plates are arranged on the surface of the profiled steel sheet on two sides of the grooves; damping subassembly sets up in the recess, and damping subassembly includes: the damping comb comprises a cavity matched with the groove and comb teeth arranged on the upper surface of the cavity at intervals, a second damping block is arranged between the comb teeth, and the top ends of the comb teeth and the second damping block are flush with the surface of the profiled steel sheet.
The vibration-damping noise-reducing bridge deck slab adopts a profiled steel sheet, a plurality of grooves with U-shaped longitudinal sections, namely U-shaped ribs of the bridge, are arranged on the profiled steel sheet, and the grooves and the profiled steel sheet are integrally formed, so that welding residual stress is avoided, and the fatigue crack risk of a steel structure can be reduced; the concrete layer is made of high-performance concrete materials such as UHPC, RPC, STC and the like, so that the abrasion of the bridge deck can be enhanced, and the weight of the bridge deck is reduced; an elastic backing plate is arranged between the concrete layer and the profiled steel plates on the two sides of the groove, so that the vibration transmitted to the profiled steel plates by the concrete layer can be further reduced; the upper part of the groove is provided with a vibration reduction comb, and the lower end of the vibration reduction comb is provided with a first vibration reduction block. Set up the second damping piece between the broach of damping comb, this damping piece adopts prefabricated damping piece, and the broach lower extreme sets up inside hollow cavity, can reduce weight.
Further, in the preferred embodiment of the present invention, a plurality of shear pins are disposed in the concrete layer, one end of each shear pin is disposed in the concrete layer, and the lower end of each shear pin is disposed on the profiled steel sheet.
The shear nails reinforce the connection between the concrete layer and the profiled steel sheets.
Further, in the preferred embodiment of the present invention, the concrete layer is further provided with a steel bar net piece parallel to the surface of the profiled steel sheet, and the steel bar net piece is disposed on the shear nails.
The reinforcing mesh strengthens the strength of the concrete layer and reduces the cracking of the concrete layer.
Further, in the preferred embodiment of the present invention, the comb teeth are vertically arranged plate-shaped structures, and the comb teeth and the grooves extend in the same direction.
The comb teeth are of plate-shaped structures extending in the same direction as the grooves, the plate-shaped structures enable the width of the comb teeth to be narrow, so that a large installation space is provided for the second vibration damping block as far as possible, and the comb teeth can isolate and fix the second vibration damping block to avoid displacement of the second vibration damping block.
Further, in a preferred embodiment of the present invention, the elastic pad is a polyurethane foam pad.
Further, in the preferred embodiment of the present invention, the damping comb is a PVC damping comb.
The damping comb adopts the PVC material can further reduce the weight of whole bridge floor.
The utility model discloses following beneficial effect has:
1. the profiled steel sheet forms a continuous open groove through cold bending, the profiled steel sheet and the groove are of an integrally formed structure, the processing efficiency is high, welding residual stress is avoided, and the risk of fatigue cracks of a steel structure can be reduced; meanwhile, the concrete layer and the steel plate can form a combined bridge deck system with higher rigidity, and the deformation resistance under the action of wheel load is enhanced.
2. An elastic backing plate is arranged between the concrete layer and the profiled steel sheet, and further plays a role in vibration reduction.
3. The vibration reduction comb is arranged in the groove, the second vibration reduction blocks are arranged between the comb teeth of the vibration reduction comb to play a role in vibration reduction, the vibration reduction comb can play a role in fixing the second vibration reduction blocks, and the second vibration reduction blocks are prevented from being unevenly distributed due to the integral vibration of the panel; the hollow cavity is arranged below the comb teeth, so that the weight of the whole bridge deck can be reduced, and the using amount of damping materials can be reduced; the first vibration reduction block is arranged below the vibration reduction comb, so that the vibration reduction comb is supported to a certain extent while vibration reduction is carried out, and the smoothness of the whole bridge deck is guaranteed.
Drawings
Fig. 1 is a side view of a vibration damping and noise reducing bridge deck of the present invention;
fig. 2 is a schematic structural view of a profiled steel sheet according to the present invention;
fig. 3 is a schematic structural view of the damping comb of the present invention.
Wherein: 1-profiled steel sheet; 11-a groove; 2-a deck assembly; 21-a concrete layer; 211-shear pins; 212-steel mesh sheet; 22-an elastic backing plate; 3-a vibration damping assembly; 31-a damping comb; 311-cavity; 312-comb teeth; 32-a first damping mass; 33-second damping mass.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1, a vibration and noise reduction type deck plate includes: the steel profiled sheet comprises a profiled steel sheet 1, a bridge deck assembly 2 arranged on the profiled steel sheet 1 and a damping assembly 3 arranged in the profiled steel sheet 1.
Referring to fig. 2, a plurality of grooves 11 formed integrally with the profiled steel sheet 1 and having a U-shaped longitudinal section are provided at intervals in the profiled steel sheet 1 in a direction perpendicular to the direction in which the profiled steel sheet 1 extends, and the grooves 11 extend in the same direction as the profiled steel sheet 1.
The deck assembly 2 comprises: the concrete layer 21 is arranged on the surface of the profiled steel sheet 1, the elastic backing plates 22 are arranged on the surface of the profiled steel sheet 1 on two sides of the grooves 11, and the elastic backing plates 22 are polyurethane foam backing plates; four shear nails 211 are arranged in the concrete layer 21, one ends of the shear nails 211 are arranged in the concrete layer 21, the lower ends of the shear nails 211 are arranged on the profiled steel sheet 1, a steel mesh sheet 212 which is arranged in parallel with the surface of the profiled steel sheet 1 is also arranged in the concrete layer 21, and the steel mesh sheet 212 is arranged on the shear nails 211.
The damping assembly 3 is arranged in the groove 11, the damping assembly 3 comprising: the damping comb 31 that sets up on recess 11 upper portion and set up the first damping piece 32 in damping comb 31 below, damping comb 31 is the PVC damping comb, refer to fig. 3, damping comb 31 includes and sets up the broach 312 at cavity 311 upper surface with recess 11 assorted cavity 311 and four intervals, broach 312 is the platelike structure of vertical setting, and broach 312 and recess 11 syntropy extend, be equipped with second damping piece 33 between a plurality of broach 312, the top of broach 312 and second damping piece 33 all flushes with the face of profiled steel sheet 1.
Referring to fig. 1, a construction process of a vibration-damping and noise-reducing bridge deck according to the embodiment includes:
(1) the profiled steel sheet 1, the vibration reduction comb 31 and the second vibration reduction block 33 are prefabricated in a factory;
(2) pouring a filling material in the groove 11 of the profiled steel sheet 1 and leveling the top of the filling material to form a first damping block 32, wherein the top plane of the first damping block 32 is flush with the preset fixed position at the bottom of the damping comb 31; in the embodiment, the filler is formed by mixing polyurethane, rubber particles with a certain particle size and other auxiliaries and stirring, and the material belongs to an energy-saving and environment-friendly material;
(3) placing the prefabricated damping comb 31 in the groove 11 of the profiled steel sheet 1, and keeping the top of the comb teeth 312 of the damping comb 31 consistent with the height of the plate surface of the profiled steel sheet 1;
(4) placing a prefabricated second damping block 33 between the comb teeth 312 on the upper part of the damping comb 31, and keeping the height of the second damping block 33 consistent with the height of the plate surface of the profiled steel plate 1;
(5) welding a shear nail 211 at a preset position of the top plane of the profiled steel sheet 1, and continuously distributing a steel mesh sheet 212 on the shear nail 211;
(6) an elastic pad 22 is laid at a predetermined position, and concrete is poured again to form a concrete layer 21.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (6)

1. A vibration and noise reducing deck slab comprising: the steel plate forming device comprises a profiled steel plate (1), a bridge deck assembly (2) arranged on the profiled steel plate (1) and a vibration damping assembly (3) arranged in the profiled steel plate (1);
a plurality of grooves (11) which are integrally formed with the profiled steel sheet (1) and have U-shaped longitudinal sections are arranged on the profiled steel sheet (1) at intervals, and the grooves (11) and the profiled steel sheet (1) extend in the same direction;
the deck assembly (2) comprises: a concrete layer (21) arranged on the surface of the profiled steel sheet (1) and elastic backing plates (22) arranged on the surface of the profiled steel sheet (1) on two sides of the plurality of grooves (11);
the damping assembly (3) is arranged in the groove (11), the damping assembly (3) comprising: the vibration reduction comb (31) arranged on the upper portion of the groove (11) and the first vibration reduction block (32) arranged below the vibration reduction comb (31), wherein the vibration reduction comb (31) comprises a cavity (311) matched with the groove (11) and a plurality of comb teeth (312) arranged on the upper surface of the cavity (311) at intervals, a plurality of second vibration reduction blocks (33) are arranged between the comb teeth (312), and the top ends of the comb teeth (312) and the second vibration reduction blocks (33) are flush with the surface of the profiled steel plate (1).
2. The vibration and noise reduction deck slab according to claim 1, wherein a plurality of shear nails (211) are provided in the concrete layer (21), one ends of the shear nails (211) are provided in the concrete layer (21), and the other ends of the shear nails (211) are provided on the profiled steel sheet (1).
3. The vibration and noise reduction deck slab as recited in claim 2, wherein a steel mesh (212) is further arranged in the concrete layer (21) in parallel with the surface of the profiled steel sheet (1), and the steel mesh (212) is arranged on the shear nails (211).
4. A vibration and noise reducing bridge deck according to any of claims 1 to 3, wherein the comb teeth (312) are vertically arranged plate-like structures, the comb teeth (312) extending in the same direction as the grooves (11).
5. A vibration and noise reducing bridge deck according to claim 4, characterized in that said resilient pads (22) are polyurethane foam pads.
6. A vibration and noise reducing bridge deck according to claim 4, characterized in that the vibration reducing combs (31) are PVC combs.
CN202020762566.9U 2020-05-09 2020-05-09 Vibration and noise reduction type bridge deck Active CN212452291U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020762566.9U CN212452291U (en) 2020-05-09 2020-05-09 Vibration and noise reduction type bridge deck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020762566.9U CN212452291U (en) 2020-05-09 2020-05-09 Vibration and noise reduction type bridge deck

Publications (1)

Publication Number Publication Date
CN212452291U true CN212452291U (en) 2021-02-02

Family

ID=74465271

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020762566.9U Active CN212452291U (en) 2020-05-09 2020-05-09 Vibration and noise reduction type bridge deck

Country Status (1)

Country Link
CN (1) CN212452291U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113062217A (en) * 2021-02-22 2021-07-02 浙江大学 Super-high-toughness combined bridge deck for assembly connection of angle steel and profiled steel sheet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113062217A (en) * 2021-02-22 2021-07-02 浙江大学 Super-high-toughness combined bridge deck for assembly connection of angle steel and profiled steel sheet

Similar Documents

Publication Publication Date Title
CN2362927Y (en) Prestressed reinforced concrete laminated floor
CN212452291U (en) Vibration and noise reduction type bridge deck
KR100621928B1 (en) Construction method of double composite plate girder railway bridge with precast concrete panels
CN208857833U (en) A kind of Anti-seismic pile foundation reinforcement structure
CN110616840A (en) Concrete laminated slab bottom plate based on steel truss and cement plate and preparation method
CN211058111U (en) Connecting structure of precast concrete board and steel beam
CN108457182A (en) A kind of cross bridge floor board and its construction technology
CN201865037U (en) Assembly type hollow slab bridge transferring force by adopting bracket instead of ribbet
CN205329523U (en) Bridge steelframe bearing structure
CN108166372B (en) Prefabricated T-shaped beam and construction method thereof
CN109137710A (en) Curve combination beam bridge hogging moment area inner lining concrete floor combination structure
CN212452106U (en) Assembly type floating plate track structure adaptive to traveling direction
CN210621347U (en) Prefabricated roadbed structure of vibration isolation pad on bridge
CN101892631B (en) Bridge expansion joint structure and construction technology thereof
CN100513721C (en) Hollow slab mounted permanent sectional pattern member and implement method thereof
CN214573334U (en) Ultra-high performance concrete combined bridge deck structure
CN101935977A (en) Assembly type hollow slab bridge adopting bracket to replace ribbet to transmit force
CN211873481U (en) Assembled sound insulation floor
CN213804651U (en) Vibration damping plate type ballastless track structure of railway steel truss girder bridge
CN201314028Y (en) Lateral cushioning support-saddle of falling-resisting beam on overhead roads and bridges
CN209741656U (en) comb tooth expansion device for semi-cantilever bridge
CN201835228U (en) Bridge expansion joint structure
CN215329366U (en) Double-deck decking assembled bridge suitable for modern tram
CN214116134U (en) Town road constructed based on prestressed concrete sheet pile
CN216949117U (en) Cast-in-place board reinforcing bar bearing structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant