CN203603054U - Novel bridge deck slab of assembly type steel bridge for bridge emergency maintenance - Google Patents
Novel bridge deck slab of assembly type steel bridge for bridge emergency maintenance Download PDFInfo
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- CN203603054U CN203603054U CN201320577790.0U CN201320577790U CN203603054U CN 203603054 U CN203603054 U CN 203603054U CN 201320577790 U CN201320577790 U CN 201320577790U CN 203603054 U CN203603054 U CN 203603054U
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Abstract
The utility model provides a novel bridge deck slab of an assembly type steel bridge for bridge emergency maintenance. The novel bridge deck slab is placed on beams of the assembly type steel bridge. The three beams support one novel bridge deck slab. The bridge deck slab comprises multiple rectangular components which are formed through pultrusion and a flat plate component which is die-cast. The rectangular components adhere to the lower surfaces of the flat plate components, so that a rib plate type combined structure is formed. The rectangular components and the flat plate components are made of a high-strength light composite fiber material. According to the novel bridge deck slab of the assembly type steel bridge for bridge emergency maintenance, the rectangular components adhere to the flat plate components, so that the rib plate type combined structure is formed, the compression resistant capacity and the bending resistant capacity of the bridge deck slab are effectively improved, and the bridge deck slab is prevented from changing into a structural stress system with a simply supported beam which has two supporting points or a single cantilever and is large in span from a two-hole continuous slab system with three supporting points. In addition, the high-strength light composite fiber material is adopted, so that the novel bridge deck slab of the assembly type steel bridge for bridge emergency maintenance is smooth, comfortable, firm and durable.
Description
Technical field
The utility model relates to a kind of bridge deck that are applicable to bridge repairing mountable steel bridge.
Background technology
Repairing is to be applied to military bridge by Britain Donald Bei Lei engineer in the rice font truss steel bridge of World War II initial stage in 1938 design with assembly type steel bridge on highway at first, be commonly called as shellfish thunder steel bridge, its design concept is to become the bridge of various differences across footpath and different load requirements with the unit member assembling combination of least kind, and only need general Medium Truck and not necessarily skilled workman build with manpower.During World War II, this military steel bridge for Europe and battlefield, the Far East, is used to civilian by a large number after the war after improving.Imitative its principle of China has been produced " 321 " highway steel bridge (Britain is for made in Great Britain) that adopts metric system the sixties in 20th century.As shown in Fig. 1 a～Fig. 1 e, existing conventional " 321 " highway steel bridge generally includes following five kinds of combining structures: Fig. 1 a, single individual layer; Fig. 1 b, double individual layer; Fig. 1 c, three row's individual layers; Fig. 1 d, double bilayer; Fig. 1 e, three rows are double-deck.
These structures have been acted on the advantage of shellfish thunder steel bridge, and energy fast erecting, is applicable to the Uniformed Bridge of rushing to repair.Be characterized in adopting high-strength steel to be welded, girder is decomposable light truss, can solid or the assembled unit of plane, be connected with bolt with single pin, and weight is lighter, transports easy accessibility.Member can exchange, and is repeatedly used.The combining form of bridge, can change according to the size adjustment across footpath and current load.
The bridge of the highway steel bridge of China in all previous great military operation and extraordinary serious natural calamities speedily carried out rescue work in activity and brought into play important function.
Existing mountable steel bridge is to be shelved on three goosenecks by steel bridge deck, under normal condition, steel bridge deck longitudinally should be shelved on the continuous slab that becomes three fulcrums on three goosenecks, because making error and the steel bridge deck of steel work use distortion planeness with the passing of time bad, often make bridge deck convert to from two hole continuous slab systems of three fulcrums large across the two fulcrum simply supported beams in footpath or the structure stress system of single-cantilever, cause the stressed excessive damage that causes of bridge deck.。
Utility model content
The technical problems to be solved in the utility model is that how to avoid bridge deck to convert to from two hole continuous slab systems of three fulcrums large across the two fulcrum simply supported beams in footpath or the structure stress system of single-cantilever, and then avoids the stressed excessive consequence that causes damage of bridge deck.
In order to solve this technical problem, the novel bridge panel of mountable steel bridge for a kind of bridge repairing, it is shelved on the crossbeam of mountable steel bridge, three described crossbeams are that bridge deck provide support, described bridge deck comprise the rectangular elements of some pultrusions and the planar plate members of die cast, some described rectangular elements are bonded in the soffit of described planar plate members, thereby form fin-plate type combining structure, and described rectangular elements and planar plate members are high-strength light complex fiber material.
Preferably, described rectangular elements and planar plate members are glass steel material.
Preferably, described rectangular elements is hollow strip structure, and its section is rectangle.
Preferably, the length direction of described rectangular elements is perpendicular to described crossbeam setting.
Preferably, between described rectangular elements and planar plate members, bond by epoxies cementing agent.
Preferably, described planar plate members is provided with bolt mounting holes, and L shaped bolt connects described planar plate members and crossbeam through described bolt mounting holes, and described L-type bolt catches on the bottom of described crossbeam.
Preferably, described glass epoxy is rectangle, and described bolt mounting holes is placed on four angles of described glass epoxy.
Preferably, described planar plate members is provided with handle aperture.
The utility model has utilized rectangular elements and planar plate members, make it to be bonded to floor duplex, can effectively improve the counter-bending ability of resistance to compression of bridge deck, can avoid to a certain extent bridge deck to convert to from two hole continuous slab systems of three fulcrums large across the two fulcrum simply supported beams in footpath or the structure stress system of single-cantilever.In addition, the planar plate members and the rectangular elements that in the utility model, are shelved on crossbeam have adopted high-strength light complex fiber material, it is graphic that its plastic deformation can make structural system still maintain intrinsic two Span Continuous plate beaers, avoid structure schema to change freely supported structure or single-cantilever structure into, thereby avoid causing bridge deck to damage because increasing internal force, made the bridge deck of the mountable steel bridge of implementing bridge repairing more smooth comfortable, sturdy and durable.Simultaneously because the density of glass fiber reinforced plastic be only generally 1/3 of steel, set up installation light be suitable under the condition of speedily carrying out rescue work or hard situation under construction and installation.
Accompanying drawing explanation
Fig. 1 a～Fig. 1 e is the structural representation of existing five kinds of conventional mountable steel bridges;
Fig. 2 is the structural representation of the utility model one embodiment Bridge repairing mountable steel bridge;
Fig. 3 is the side structure schematic diagram of bridge deck in the utility model one embodiment;
Fig. 4 is the plan structure schematic diagram of the utility model one embodiment middle plateform member;
In figure, 1-lower chord; 2-bridge deck; 21-planar plate members; 211-bolt mounting holes; 212-handle aperture; 22-rectangular elements; 3-crossbeam; 4-shock absorber.
The specific embodiment
The bridge repairing novel bridge panel of mountable steel bridge the utility model being provided below with reference to Fig. 2 to Fig. 4 is described in detail, it is the present invention's one optional embodiment, can think that those skilled in the art can modify and polish it in the scope that does not change the utility model spirit and content.
Please refer to Fig. 2, it has schematically shown a part for mountable steel bridge, being applicable to implement in the mountable steel bridge of bridge repairing, comprise lower chord 1, be located at the some crossbeams 3 on described lower chord 1 and be shelved on the some bridge deck 2 on described crossbeam 3, please refer to Fig. 3, the two ends of described lower chord 1 connecting bridge, described crossbeam 3 is along the width setting of lower chord 1.Described crossbeam 3 is connected with described lower chord 1 and bridge deck 2 respectively by two shock absorbers 4.
The present embodiment provides a kind of novel bridge panel 2 of bridge repairing mountable steel bridge, it is shelved on the crossbeam 3 of mountable steel bridge, three described crossbeams 3 are that bridge deck 2 provide support, described bridge deck 2 comprise the rectangular elements 22 of some pultrusions and the planar plate members 21 of die cast, some described rectangular elements 22 are bonded in the soffit of described planar plate members 22, thereby form fin-plate type combining structure, this arranges has simplified production technology, change traditional welding manner used, improved effect.
The present embodiment is changed into the bridge deck material of the mountable steel bridge of existing enforcement bridge repairing the glass-reinforced plastic material of high-strength light, this mechanics of materials intensity is higher than steel, modulus of elasticity is lower than steel, under load action, the bridge deck of glass fiber reinforced plastic of relative flexibility and so on can not produce the phenomenon of structure stress system transition, maintain the stressed graphic of former design idea, avoided the generation in crack.Because the density of glass-reinforced plastic material is only 1/3 of steel, alleviate weight simultaneously, be suitable for manpower transport and installation under the condition of speedily carrying out rescue work.
Specifically, because although the intensity of glass-reinforced plastic material bending resistance, tension is higher than steel, but its modulus of elasticity is lower than 8～10 times of steel, when under load action, its bending deformation quantity is also greater than 8～10 times of steel, can not occur that plate transfers 2 points to from three-point support as steel facing again, and therefore its stress system is constant, maintain original functional performance, reduced the damage of bridge deck 2; Meanwhile, because its deadweight is equivalent to 1/3 of steel, carrying and installation is convenient, thereby can play the effect that improves effect, manual operation when being more conducive under difficult execution conditions and speedily carrying out rescue work state.In the present embodiment, the width of bridge deck 2 middle plateform members 21 is identical with existing steel bridge deck, is divided into two kinds of width, and the thickness system of rectangular elements 21 designs by the maximum service load of mountable steel bridge, to be applicable to all Load Combinations.
Described rectangular elements 22 and planar plate members 21 are high-strength light complex fiber material.In the present embodiment, described rectangular elements 22 and planar plate members 21 are glass steel material.Because the density of glass fiber reinforced plastic is only generally 1/3 of steel, set up with install all very light, be suitable under the condition of speedily carrying out rescue work or hard situation under construction and installation.
Between described rectangular elements 22 and planar plate members 21, bond by epoxies cementing agent (not shown).This cementing agent has high-strength cementitiousness.If when load is large especially, also can the higher material such as carbon fiber or basalt fibre of selection intensity.To adopt Henkel Corp. happy safe in order to bound rectangle member 22 and the adhesive glue of planar plate members 21 in the present embodiment
product Hysol
e-120HP
tM, certain product that also can use other companies, but its correlation intensity index must be quite.
Please refer to Fig. 3, in the present embodiment, described rectangular elements 22 is hollow strip structure, and its section is rectangle.The length direction of described rectangular elements 22 arranges perpendicular to described crossbeam 3.
Please refer to Fig. 4, described planar plate members 21 is provided with bolt mounting holes 211, and L shaped bolt (not shown) connects described planar plate members 21 and crossbeam 3 through described bolt mounting holes 211, and the bottom that described L-type bolt catches on described crossbeam 3 arranges.Described glass planar plate members 21 is rectangle, and described bolt mounting holes 211 is placed on four angles of described glass epoxy 21.Described planar plate members 21 is provided with handle aperture 212.
In sum, the utility model has utilized rectangular elements 22 and planar plate members 21, make it to be bonded to floor duplex, can effectively improve the counter-bending ability of resistance to compression of bridge deck, can avoid to a certain extent bridge deck 2 to convert to from two hole continuous slab systems of three fulcrums large across the two fulcrum simply supported beams in footpath or the structure stress system of single-cantilever.In addition, the planar plate members 21 and the rectangular elements 22 that in the utility model, are shelved on crossbeam 3 have adopted high-strength light complex fiber material, it is graphic that its plastic deformation can make structural system still maintain intrinsic two Span Continuous plate beaers, avoid structure schema to change freely supported structure or single-cantilever structure into, thereby avoid causing bridge deck to damage because increasing internal force, made the bridge deck 2 of the mountable steel bridge of implementing bridge repairing more smooth comfortable, sturdy and durable.
Claims (8)
1. a bridge is rushed to repair the novel bridge panel with mountable steel bridge, it is shelved on the crossbeam of mountable steel bridge, three described crossbeams are that bridge deck provide support, it is characterized in that: described bridge deck comprise the rectangular elements of some pultrusions and the planar plate members of die cast, some described rectangular elements are bonded in the soffit of described planar plate members, thereby form fin-plate type combining structure, the material of described rectangular elements and planar plate members is high-strength light complex fiber material.
2. the novel bridge panel of mountable steel bridge for bridge repairing as claimed in claim 1, is characterized in that: the material of described rectangular elements and planar plate members is glass steel material.
3. the novel bridge panel of mountable steel bridge for bridge repairing as claimed in claim 1, it is characterized in that: described rectangular elements is hollow strip structure, and its section is rectangle.
4. the novel bridge panel of mountable steel bridge for bridge repairing as claimed in claim 3, is characterized in that: the length direction of described rectangular elements is perpendicular to described crossbeam setting.
5. the novel bridge panel of mountable steel bridge for bridge repairing as claimed in claim 1, is characterized in that: between described rectangular elements and planar plate members, bond by epoxies cementing agent.
6. the novel bridge panel of mountable steel bridge for bridge repairing as claimed in claim 1, it is characterized in that: described planar plate members is provided with bolt mounting holes, L-type bolt connects described planar plate members and crossbeam through described bolt mounting holes, and described L-type bolt catches on the bottom of described crossbeam.
7. the novel bridge panel of mountable steel bridge for bridge as claimed in claim 6 repairing, is characterized in that: described planar plate members is rectangle, and described bolt mounting holes is placed on four angles of described planar plate members.
8. the novel bridge panel of mountable steel bridge for bridge repairing as claimed in claim 1, is characterized in that: described planar plate members is provided with handle aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320577790.0U CN203603054U (en) | 2013-09-17 | 2013-09-17 | Novel bridge deck slab of assembly type steel bridge for bridge emergency maintenance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320577790.0U CN203603054U (en) | 2013-09-17 | 2013-09-17 | Novel bridge deck slab of assembly type steel bridge for bridge emergency maintenance |
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| CN203603054U true CN203603054U (en) | 2014-05-21 |
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| CN201320577790.0U Expired - Fee Related CN203603054U (en) | 2013-09-17 | 2013-09-17 | Novel bridge deck slab of assembly type steel bridge for bridge emergency maintenance |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233954A (en) * | 2014-08-25 | 2014-12-24 | 陈云鹤 | Combined bridge deck of assembled road steel bridge |
| CN105014952A (en) * | 2015-08-18 | 2015-11-04 | 国电科学技术研究院 | Method for manufacturing glass fiber reinforced plastic wall plate reinforced structure |
| CN105113409A (en) * | 2015-09-25 | 2015-12-02 | 中铁第五勘察设计院集团有限公司 | Slab ballast-less track deck for emergency repair of steel beam |
| CN105463991A (en) * | 2016-01-18 | 2016-04-06 | 中国铁建大桥工程局集团有限公司 | Overall spliced type steel bridge deck slab for temporary bridge |
-
2013
- 2013-09-17 CN CN201320577790.0U patent/CN203603054U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233954A (en) * | 2014-08-25 | 2014-12-24 | 陈云鹤 | Combined bridge deck of assembled road steel bridge |
| CN104233954B (en) * | 2014-08-25 | 2016-02-10 | 陈云鹤 | Assembly type steel bridge on highway composite deck plate |
| CN105014952A (en) * | 2015-08-18 | 2015-11-04 | 国电科学技术研究院 | Method for manufacturing glass fiber reinforced plastic wall plate reinforced structure |
| CN105014952B (en) * | 2015-08-18 | 2019-10-22 | 国电科学技术研究院 | A kind of glass steel panel reinforced structure production method |
| CN105113409A (en) * | 2015-09-25 | 2015-12-02 | 中铁第五勘察设计院集团有限公司 | Slab ballast-less track deck for emergency repair of steel beam |
| CN105463991A (en) * | 2016-01-18 | 2016-04-06 | 中国铁建大桥工程局集团有限公司 | Overall spliced type steel bridge deck slab for temporary bridge |
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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: 20140521 Termination date: 20190917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |