CN203411898U - Bridge deck with steel and concrete composite structure - Google Patents

Bridge deck with steel and concrete composite structure Download PDF

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Publication number
CN203411898U
CN203411898U CN201320438918.5U CN201320438918U CN203411898U CN 203411898 U CN203411898 U CN 203411898U CN 201320438918 U CN201320438918 U CN 201320438918U CN 203411898 U CN203411898 U CN 203411898U
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CN
China
Prior art keywords
steel
bridge deck
concrete
groove section
sole plate
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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.)
Expired - Fee Related
Application number
CN201320438918.5U
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Chinese (zh)
Inventor
苏庆田
曾明根
吴冲
李�杰
任飞
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Tongji University
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Tongji University
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Publication date
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Priority to CN201320438918.5U priority Critical patent/CN203411898U/en
Application granted granted Critical
Publication of CN203411898U publication Critical patent/CN203411898U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a bridge deck with a steel and concrete composite structure. The bridge deck comprises a steel bottom plate, a shearing connector and a concrete slab, wherein the steel bottom plate forms a zigzag shape, and comprises a bump section and a groove section, which are alternatively arranged; the shearing connector is arranged on the groove section of the zigzag steel bottom plate; the concrete slab is a straight plate; the concrete slab covers the steel bottom plate and the shearing connector. By adopting the bridge deck, the steel bottom plate and the concrete slab are effectively connected through the shearing connector arranged inside the groove section; welding of a reinforcing rib on the steel bottom plate is not needed due to existence of the groove section; meanwhile, the rigidity and the strength of the bridge deck are improved under the condition of the same cross-sectional area; transverse slippage is also effectively ensured when longitudinal slippage is ensured. Therefore, the bridge deck has the characteristics of being lighter in dead load and higher in carrying capacity than a common concrete bridge deck when being applied to the bridge deck, has the characteristics of being larger in rigidity and stronger in fatigue resistance than the steel bridge deck,, and is convenient to construct; the construction speed can be increased; the cost can be saved.

Description

A kind of bridge deck of Steel concrete combining structure
Technical field
The utility model belongs to technical field of bridge engineering, relates to a kind of deck structrue being applied in bridge engineering.
Background technology
Bridge deck are the important components in bridge construction, have on the bridge floor of bearing various loads and load is delivered to main beam action.What in bridge construction, be most widely used at present is concrete slab and steel bridge deck.Concrete slab has advantages of that rigidity is large, cost is low, but due to its from great, intensity is low, speed of application is slow, be substantially applied in Short/Medium Span Bridge and construction period to require in loose engineering.Steel bridge deck, due to advantage high from heavy and light, intensity, that batch production is produced, was brought into use in recent years gradually in engineering, particularly in Longspan Bridge, was used widely.But it is loaded down with trivial details and expensive that steel bridge deck is mated formation, and during operation, the fatigue crack of steel bridge deck has had a strong impact on structural safety and traffic safety with the infringement of the layer of mating formation.
Engendered in recent years some steel concrete combined bridge front panels, by plain plate, be connected with the structure between concrete, and steel sole plate and concrete can have been combined and be bonded to whole and energy co-operation.This combined bridge deck is for concrete slab, and from heavy and light, bearing capacity is high, and steel sole plate can partly or entirely replace tensile reinforcement in concrete simultaneously, has reduced reinforcement fabrication and mounting cost.For steel bridge deck, rigidity obviously increases, and becomes steel bridge deck and mat formation and mat formation into concrete slab, and more economical and convenient and be easy to later period maintenance, is not prone to the variety of issue that steel bridge deck is mated formation.
Utility model content
The purpose of this utility model is to provide a kind of bridge deck of Steel concrete combining structure, to have improved the strength and stiffness of bridge deck, reduces welding job amount, and convenient construction.
For achieving the above object, solution of the present utility model is:
The utility model discloses a kind of bridge deck of Steel concrete combining structure, comprise steel sole plate, shear connector and concrete slab, described steel sole plate indentation, comprise the raised section and the groove section that are arranged alternately, described shear connector is arranged in the groove section of described zigzag steel sole plate, described concrete slab is straight plate, and described concrete slab covers described steel sole plate and described shearing connecting piece.
Preferably, the upper shed length of described groove section is less than the upper shed length of described raised section.
Further, the upper shed length ratio of the upper shed of described groove section and described raised section is between 1~2.
Preferably, the ratio of the width of the upper shed of the height of described groove section and described groove section is between 1.0~1.5.
The concrete height of preferably, filling in described groove section and the ratio of the concrete height in described raised section are between 2.5~4.5.
Preferably, described raised section and groove section are ladder-type trough.
Described shear connector is weldering nail connector or perforated panel connector, but is not limited to weldering nail connector, perforated panel connector, also comprises other forms of connector.
The thickness of described steel sole plate is 6~10mm.
The making material of described steel sole plate is Q345qD steel.
Owing to adopting such scheme, the beneficial effects of the utility model are:
The bridge deck of a kind of Steel concrete combining structure shown in the utility model, by the shear connector being arranged in steel sole plate groove section, steel sole plate and concrete slab are effectively coupled together, the welding of stiffening rib on steel sole plate has been removed in the existence of groove section from, simultaneously in same cross-sectional area situation, improved bridge deck Rigidity and strength, this kind is arranged on and when having guaranteed straight skidding, also effectively guaranteed horizontal slippage.Therefore, the bridge deck of a kind of Steel concrete combining structure shown in the utility model, have than conventional concrete slab from heavy and light, feature that bearing capacity is high, the feature larger than steel bridge deck rigidity, anti-fatigue performance is strong, and constructability, can accelerate speed of application, cost-saving.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the structural representation of another embodiment of the utility model;
Wherein: steel sole plate 1, concrete slab 2, groove section 3, shear connector 4.
The specific embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the utility model is further described.
As shown in Figure 1 to Figure 2, the utility model discloses a kind of bridge deck of Steel concrete combining structure, comprise steel sole plate, shear connector and concrete slab 2, steel sole plate indentation, comprise the raised section 1 and groove section 3 that are arranged alternately, concrete slab 2 is straight plate, and concrete slab 2 covers steel sole plate and shearing connecting piece 4, shear connector 4 is arranged in the groove section 3 of zigzag steel sole plate, thereby by shear connector 4, steel sole plate and concrete slab 2 is effectively coupled together.
The deck structrue of the Steel concrete combining structure shown in the utility model is for traditional steel concrete combined bridge front panel, first in processing factory, straight steel sole plate is bent, formed the steel sole plate (being orthotropic fold-type steel plate) of the laciniation being crisscross arranged by raised section 1 and groove section 3, wherein, raised section 1 can be ladder-type trough structure with groove section 3, then at groove section 3 bottom land middle position welding shear connectors 4; After being finally transported to scene, be installed in relevant bridge construction, and take above-mentioned steel sole plate after treatment as template concreting plate 1, thereby form whole orthotropic steel concrete combined bridge front panel structure.The bridge deck that arrange are like this equivalent to the compoboard with girt strip, have in same cross-sectional area situation, the second moment of area of the deck structrue of the Steel concrete combining structure shown in the utility model will be much larger than traditional steel concrete combined bridge front panel, have higher supporting capacity and rigidity, this kind is connected to and when having guaranteed straight skidding, also effectively guaranteed horizontal slippage.And the steel sole plate of bending has reduced the workload of Site Welding stiffening rib.During concreting, steel sole plate also can be used as permanent formwork and uses, and greatly shortens construction period, cost-saving at the scene.
In the deck structrue of the Steel concrete combining structure shown in the utility model, steel sole plate adopts Q345qD steel, thickness is 6~10mm, thicker than profiled sheet (in building structure), the major bearing structures of die mould steel sheet composite floor is concrete, and in the utility model its steel sole plate except bearing concrete blinding effect, the more important thing is that steel sole plate is main supporting member, steel sole plate is guaranteeing under the prerequisite that Steel concrete effectively connects, with respect to existing plain plate-concrete combined bridge deck and pure concrete slab, can improve anti-bending bearing capacity, with respect to steel bridge deck, can reduce deck paving cost and improve the durability of bridge deck.
Wherein, shear connector 4 is not limited to conventional weldering nail connector, perforated panel connector, also comprises other forms of connector.Fig. 1 is shear connector 4 and adopts while welding nail connector, the structure connection diagram of the bridge deck of Steel concrete combining structure, and when Fig. 2 is shear connector 4 employing perforated panel connector, the structure connection diagram of the bridge deck of Steel concrete combining structure.Layout quantity and the spacing of shear connector 4 can be carried out with reference to code of steel bridge.
In addition, in order better to guarantee the holistic resistant behavior of combined bridge deck and facilitate bridge deck pavement construction from structural safety and economic benefit, when the bending of carrying out steel sole plate arranges, the upper shed length that the length of raised section 1 and groove section 3 is set to groove section 3 is less than upper shed (being the upper flat straight section of the raised section 1) length of raised section 1.In the present embodiment, if consider on the one hand, raised section 1 and the too small meeting of length ratio of groove section 3 increase compoboard weight, intensity can not get performance, if the excessive situation that easily occurs raised section 1 concrete punching failure of length ratio of raised section 1 and groove section 3, therefore be arranged at the upper shed Length Ratio of the upper shed of groove section 3 and raised section 1 between 1~2.
Simultaneously, in processing factory, straight steel sole plate is bent and arranged when determining the concrete size of groove section, from in order to make the rigidity of combined bridge deck compared with large and unlikely this factor of too early cracking of tensile zone size to fit is arranged at the ratio of the width of the upper shed of the height of groove section and groove section between 1.0~1.5.
In addition, in the process of operation fill concrete, the concrete height of filling in groove section 3 and the ratio of the concrete height on raised section 1 are between 2.5~4.5 at the scene.After construction finishes, the surface of concrete slab 2 should be horizontal, but owing to having as building the raised section 1 and groove section 3 being arranged alternately on the steel sole plate of base plate, therefore 1 place, raised section is different from the groove section 3 needed concrete quantity in place, the concrete thickness at groove section 3 places is divided into two parts, wherein top concrete thickness is identical with the thickness on raised section 1, and the concrete thickness of groove section 3 belows is 1.5~3.5 times of concrete thickness that fill convex section top.
The above-mentioned description to embodiment is can understand and use the utility model for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the utility model is not limited to above-described embodiment, and those skilled in the art are according to announcement of the present utility model, and not departing from the improvement that the utility model category makes and revise all should be within protection domain of the present utility model.

Claims (9)

1. the bridge deck of a Steel concrete combining structure, comprise steel sole plate, shear connector and concrete slab, it is characterized in that: described steel sole plate indentation, comprise the raised section and the groove section that are arranged alternately, described shear connector is arranged in the groove section of described zigzag steel sole plate, described concrete slab is straight plate, and described concrete slab covers described steel sole plate and described shearing connecting piece.
2. the bridge deck of Steel concrete combining structure according to claim 1, is characterized in that: the upper shed length of described groove section is less than the upper shed length of described raised section.
3. the bridge deck of Steel concrete combining structure according to claim 2, is characterized in that: the upper shed Length Ratio of the upper shed of described groove section and described raised section is between 1~2.
4. the bridge deck of Steel concrete combining structure according to claim 1, is characterized in that: the ratio of the width of the upper shed of the height of described groove section and described groove section is between 1.0~1.5.
5. the bridge deck of Steel concrete combining structure according to claim 1, is characterized in that: the concrete height of filling in described groove section and the ratio of the concrete height in described raised section are between 2.5~4.5.
6. the bridge deck of Steel concrete combining structure according to claim 1, is characterized in that: described raised section and groove section are ladder-type trough.
7. the bridge deck of Steel concrete combining structure according to claim 1, is characterized in that: described shear connector is weldering nail connector or perforated panel connector.
8. the bridge deck of Steel concrete combining structure according to claim 1, is characterized in that: the thickness of described steel sole plate is 6~10mm.
9. according to the bridge deck of the Steel concrete combining structure described in claim 1 or 8, it is characterized in that: the making material of described steel sole plate is Q345qD steel.
CN201320438918.5U 2013-07-22 2013-07-22 Bridge deck with steel and concrete composite structure Expired - Fee Related CN203411898U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320438918.5U CN203411898U (en) 2013-07-22 2013-07-22 Bridge deck with steel and concrete composite structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320438918.5U CN203411898U (en) 2013-07-22 2013-07-22 Bridge deck with steel and concrete composite structure

Publications (1)

Publication Number Publication Date
CN203411898U true CN203411898U (en) 2014-01-29

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104674657A (en) * 2014-12-03 2015-06-03 华东交通大学 Profiled steel sheet-UHP (ultra high performance) fiber reinforced concrete composite bridge deck
CN106087739A (en) * 2016-06-16 2016-11-09 河海大学 A kind of combination U rib shaped steel floorings and preparation method thereof
CN106884382A (en) * 2017-04-21 2017-06-23 中山市德丰科技服务有限公司 A kind of bridge of the combined bridge panel construction with bolster
CN107938509A (en) * 2017-02-22 2018-04-20 重庆大学 A kind of Orthotropic Steel Bridge Deck structure
CN111877156A (en) * 2020-07-28 2020-11-03 长安大学 Half-opening shear connector used in corrugated steel combined bridge deck
CN111910516A (en) * 2020-07-28 2020-11-10 长安大学 Composite pin shear connector used in corrugated steel composite bridge deck slab

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104674657A (en) * 2014-12-03 2015-06-03 华东交通大学 Profiled steel sheet-UHP (ultra high performance) fiber reinforced concrete composite bridge deck
CN106087739A (en) * 2016-06-16 2016-11-09 河海大学 A kind of combination U rib shaped steel floorings and preparation method thereof
CN107938509A (en) * 2017-02-22 2018-04-20 重庆大学 A kind of Orthotropic Steel Bridge Deck structure
CN106884382A (en) * 2017-04-21 2017-06-23 中山市德丰科技服务有限公司 A kind of bridge of the combined bridge panel construction with bolster
CN111877156A (en) * 2020-07-28 2020-11-03 长安大学 Half-opening shear connector used in corrugated steel combined bridge deck
CN111910516A (en) * 2020-07-28 2020-11-10 长安大学 Composite pin shear connector used in corrugated steel composite bridge deck slab

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140129

Termination date: 20160722

CF01 Termination of patent right due to non-payment of annual fee