CN102635060B - Concrete hollow slab bridge reinforced by transverse steel beams - Google Patents

Concrete hollow slab bridge reinforced by transverse steel beams Download PDF

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Publication number
CN102635060B
CN102635060B CN201210132068.6A CN201210132068A CN102635060B CN 102635060 B CN102635060 B CN 102635060B CN 201210132068 A CN201210132068 A CN 201210132068A CN 102635060 B CN102635060 B CN 102635060B
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CN
China
Prior art keywords
bridge
hollow slab
energy
crossbeam
putting
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CN201210132068.6A
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Chinese (zh)
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CN102635060A (en
Inventor
周劲宇
刘大路
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周劲宇
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Priority to CN201210132068.6A priority Critical patent/CN102635060B/en
Publication of CN102635060A publication Critical patent/CN102635060A/en
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Publication of CN102635060B publication Critical patent/CN102635060B/en

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Abstract

The invention discloses a concrete hollow slab bridge reinforced by transverse steel beams. The concrete hollow slab bridge comprises a bridge deck beam constituted by arranging a plurality of hollow plate beams in parallel and at least one stiffening cross beam which is arranged on the bottom surface of the bridge deck beam and is used for transversely reinforcing the bridge deck beam so as to enable all the hollow plate beams to transversely transfer loads on the hollow plate beams, wherein the stiffening cross beam is fixedly connected with the hollow plate beams. According to the concrete hollow slab bridge reinforced by the transverse steel beams, disclosed by the invention, the overall structural strength is high, the bearing capacity of the bridge is strong, the single-plate stress can be avoided by reinforcing through the transverse steel beams, the service life of the bridge is prolonged, and the concrete hollow slab bridge has the advantages of simple structure construction, easiness in ensuring engineering construction quality, good stress performance, obvious reinforcing effect, convenience and quickness in construction, lower requirements for machines, tools and equipment required for construction and significant economic benefits, and is further conductive to popularization.

Description

By the concrete hollow slab bridge of horizontal strengthening of steel bridge

Technical field

The present invention relates to a kind of bridge construction, particularly relate to the concrete hollow slab bridge of the horizontal strengthening of steel bridge of a kind of use.

Background technology

Concrete hollow slab bridge is along bridge to a kind of bridge being formed Oil pipeline with many hollowcore slab longerons, there is easy construction, construction costs is lower, can Prefabrication in standardized set, the advantages such as building height is little, but easily there is function and structure disease in various degree in concrete hollow slab bridge of the prior art, hinge seam concrete defect, broken, long section comes off, simultaneously because concrete hollow slab bridge construction method is improper, between the hollow slab beam of practice of construction, hinge seam width is much larger than the hinge seam width of design, after operation a period of time, very easily there is disease in hinge seam, bridge lateral transmission force property is caused to fail, bridge floor is made to be easy to occur the longitudinal crack along hinge seam, affect the normal use of hollow slab bridge, may occur time serious that step by step tray destroys because of single slab bearing.

In addition, the longitudinal crack disease of bridge floor along hinge seam is there is for concrete hollow slab bridge, common corresponding handle measure changes new bridge floor into for rooting out old bridge floor, plant requires higher, long construction period, large to traffic impact, because the Structural defect of hinge seam is administered at all, cut with scissors easy appearance under being sewn on fatigue loading and concentrated stress effect after repairing between hollow slab beam again to ftracture, application life is short.

Therefore, need a kind of new construction of effective transversely strengthening concrete hollow slab bridge, improve the transverse integral structural performance of concrete hollow slab bridge, avoid single slab bearing, extend bridge application life.

Summary of the invention

In view of this, the object of this invention is to provide the concrete hollow slab bridge of the horizontal strengthening of steel bridge of a kind of use, have good transverse integral structural performance, can avoid single slab bearing, bridge capacity is strong, extends bridge application life.

The concrete hollow slab bridge of the horizontal strengthening of steel bridge of use of the present invention, comprise the bridge floor beam that is made up of many hollow slab beam laid out in parallel and be arranged at described bridge floor beam bottom surface for its transversely strengthening to enable at least one crossbeam of putting more energy into of load lateral transport suffered by each hollow slab beam, described in put more energy into crossbeam and each hollow slab beam affixed.

Further, described in crossbeam of putting more energy into be drum girder steel, form hinge seam between adjacent hollow plate-girder and filled media, drum girder steel top wing plate is fixed in hollow slab beam by the connecting rod assembly be embedded in advance in each hinge seam;

Further, described connecting rod assembly comprises the hangnail that afterbody is embedded in the screw rod in hinge seam in advance and is fixedly installed on screw rod tail;

Further, the recessed position being positioned at the uneven place corresponding with crossbeam of respectively putting more energy into, each hollow slab beam bottom surface and place straggly is each other provided with the levelling backing plate for making the bridge floor beam bottom surface that is made up of each hollow slab beam level and smooth;

Further, described levelling backing plate is steel plate;

Further, each hollow slab beam to respectively put more energy between crossbeam, between hollow slab beam and corresponding levelling backing plate and levelling backing plate and corresponding putting more energy between crossbeam be all bonded as one by structure glue;

Further, be positioned at crossbeam both ends of respectively putting more energy into and be also provided with the beam-ends connecting piece being fixed in bridge floor beam edge and corresponding beam-end of putting more energy into;

Further, one side portion of described bridge floor beam is provided with the edge of a wing, described beam-ends connecting piece comprises the long connecting bolt that arrange corresponding to bridge floor beam flange structural and the drum steel work union body arranged without the longitudinal direction that cantilever flange structural is corresponding with bridge floor beam, long connecting bolt is anchored on through bridge floor beam flange structural crossbeam top wing plate of putting more energy into, being positioned at each drum steel work union body upper end is also connected with it in T set up of character patt ern and the union body annex be made up of drum steel, described drum steel work union body is fixed in bridge floor beam edge by expansion bolt and is fixed in corresponding beam-end of putting more energy into by high-strength bolt, also be bonded as one by structure glue between drum steel work union body and bridge floor beam edge, described union body annex is fixed in bridge floor beam end face by expansion bolt and makes it to be formed with corresponding put more energy into crossbeam and drum steel work union body to embrace a buckle structure,

Further, be also provided with for carrying out 1 ~ 2 affixed expansion bolt to them putting more energy between crossbeam and each hollow slab beam.

The invention has the beneficial effects as follows: the concrete hollow slab bridge of the horizontal strengthening of steel bridge of use of the present invention, overall construction intensity is high, and the bearing capacity of bridge is strong, single slab bearing can be avoided by horizontal strengthening of steel bridge, extend bridge application life, its structure simple structure, engineering construction quality easily ensures, stress performance is good, consolidation effect is obvious, convenient and quick construction, and the facility needed for construction, equipment requirement are lower, remarkable in economical benefits, is beneficial to popularization.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the invention will be further described:

Fig. 1 is structural representation of the present invention;

Fig. 2 is the right view of Fig. 1;

Fig. 3 is A place zoomed-in view in Fig. 1.

Detailed description of the invention

Fig. 1 is structural representation of the present invention, Fig. 2 is the right view of Fig. 1, Fig. 3 is A place zoomed-in view in Fig. 1, as shown in the figure: the concrete hollow slab bridge of the horizontal strengthening of steel bridge of use of the present embodiment, comprise the bridge floor beam 1 that is made up of many hollow slab beams 2 laid out in parallel and be arranged at described bridge floor beam 1 bottom surface for its transversely strengthening to enable at least one crossbeam 3 of putting more energy into of load lateral transport suffered by each hollow slab beam 2, described crossbeam 3 of putting more energy into is affixed with each hollow slab beam 2, for the hollow slab bridge that hinge seam disease is not serious, at span centre, crossbeam 3 of putting more energy into together is set, for the hollow bridge that hinge seam disease is serious, three roads or more can be arranged according to overall force request to put more energy into crossbeam 3, the bearing capacity of bridge can be improved, avoid single slab bearing, extend bridge application life.

In the present embodiment, described crossbeam 3 of putting more energy into is for drum girder steel, form hinge seam between adjacent hollow plate-girder 2 and filled media, drum girder steel top wing plate is fixed in hollow slab beam by the connecting rod assembly 11 be embedded in advance in each hinge seam, and the medium of filling in hinge seam is epoxy concrete or mortar, drum girder steel connects, processing, easy for installation, that a kind of section area distributes and the rational economic section high efficiency section bar of the ratio of strength to weight, there is bending resistance strong, the advantage of the simple and lightweight construction of construction, as shown in the figure, connecting rod assembly 11 afterbody is embedded in advance in hinge seam and is integrated with medium consolidation, connecting rod assembly 11 head is fastening through drum girder steel top wing plate, structure is more reasonable, bonding strength is high, transversely strengthening is effective, engineering construction quality easily ensures, consolidation effect is obvious, convenient and quick construction, facility needed for construction, equipment requirement is lower, remarkable in economical benefits, be beneficial to popularization.

In the present embodiment, described connecting rod assembly 11 comprises afterbody and is embedded in the screw rod 11a cut with scissors in seam and the hangnail 11b being fixedly installed on screw rod 11a afterbody in advance, and it is firm that the connecting rod assembly 11 of this structure and hinge stitch interior medium consolidation, not easily slippage.

Described crossbeam 3 of putting more energy into is drum girder steel, and its top wing plate is by multiple expansion bolts 4 of corresponding to each hollow slab beam 2 and arranging and correspond to each hinge to seam the tool put barbed connecting rod assembly 11 affixed with each hollow slab beam 2,

In the present embodiment, the recessed position being positioned at the uneven place corresponding with crossbeam 3 of respectively putting more energy into, each hollow slab beam 2 bottom surface and place straggly is each other provided with the levelling backing plate 5 for making bridge floor 1 soffit that is made up of each hollow slab beam 2 level and smooth, the stressed effect of putting more energy between crossbeam 3 and each hollow slab beam 2 can be improved, improve the overall construction intensity of concrete hollow slab bridge, improve the bearing capacity of bridge, avoid single slab bearing.

In the present embodiment, described levelling backing plate 5 is steel plate, and material source is wide, easy to process, and manufacturing cost is lower, and has comparatively high structural strength, and functional performance is good.

In the present embodiment, each hollow slab beam 2 to respectively put more energy between crossbeam 3, between hollow slab beam 2 and corresponding levelling backing plate 5 and levelling backing plate 5 and corresponding putting more energy between crossbeam 3 are all bonded as one by structure glue 6, structure glue 6 is epoxy resin, the crossbeam 3 that makes respectively to put more energy into is bonded as one between hollow slab beam 2 and corresponding levelling backing plate 5, form overall structure, make the bridge floor beam after reinforcing 1 globality intensity high, load lateral transport is effective, effectively avoid single slab bearing, not fragile.

In the present embodiment, be positioned at crossbeam 3 both ends of respectively putting more energy into and be also provided with the beam-ends connecting piece being fixed in bridge floor beam 1 edge and corresponding crossbeam 3 end of putting more energy into, crossbeam 3 end that makes respectively to put more energy into is combined more firm with bridge floor beam 1 both sides edge.

In the present embodiment, one side portion of described bridge floor beam 1 is provided with edge of a wing 1a, described beam-ends connecting piece comprises the long connecting bolt 8 that arrange corresponding to bridge floor beam 1 flange structural and the drum steel work union body 9 arranged without the longitudinal direction that cantilever flange structural is corresponding with bridge floor beam 1, long connecting bolt 8 is anchored on through bridge floor beam 1 flange structural crossbeam 3 top wing plate of putting more energy into, being positioned at each drum steel work union body 9 upper end is also connected with it in T set up of character patt ern and the union body annex 10 be made up of drum steel, described drum steel work union body 9 is fixed in bridge floor beam 1 edge by expansion bolt 4 and is fixed in corresponding crossbeam 3 end of putting more energy into by high-strength bolt 7, also be bonded as one by structure glue 6 between drum steel work union body 9 and bridge floor beam 1 edge, described union body annex 10 is fixed in bridge floor beam 1 end face by expansion bolt 4 and makes it to be formed with corresponding put more energy into crossbeam 3 and drum steel work union body 9 to embrace a buckle structure, reasonable in design, long connecting bolt 8, drum steel work union body 9 and union body annex 10 structure simple, structural strength is high, bearing capacity is strong, processing and fabricating is convenient, to corresponding put more energy into crossbeam 3 end and bridge floor beam 1 both sides edge consolidation effect good, Stability Analysis of Structures, not fragile.

In the present embodiment, also be provided with for carrying out 1 ~ 2 affixed expansion bolt 4 to them putting more energy between crossbeam and each hollow slab beam, as shown in the figure, the present embodiment is set to 2, the crossbeam 3 unbalance stress generation everywhere internal stress of putting more energy into because connector too much causes can be avoided, result of use is good, can be fixedly connected with further crossbeam 3 of putting more energy into hollow slab beam 2, prevents from causing because the impaired rear connecting rod assembly of medium in hinge seam comes off the fixing shakiness of crossbeam of putting more energy into.

What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (6)

1. the concrete hollow slab bridge with horizontal strengthening of steel bridge, it is characterized in that: comprise the bridge floor beam that is made up of many hollow slab beam laid out in parallel and be arranged at described bridge floor beam bottom surface for its transversely strengthening to enable at least one crossbeam of putting more energy into of load lateral transport suffered by each hollow slab beam, described in put more energy into crossbeam and hollow slab beam affixed; The recessed position being positioned at the uneven place corresponding with crossbeam of respectively putting more energy into, each hollow slab beam bottom surface and place straggly is each other provided with the levelling backing plate for making the bridge floor beam bottom surface that is made up of each hollow slab beam level and smooth; Form hinge seam between adjacent hollow plate-girder and filled media, described in crossbeam of putting more energy into be drum girder steel, drum girder steel top wing plate is fixed in hollow slab beam by the connecting rod assembly be embedded in advance in each hinge seam; Described connecting rod assembly comprises the hangnail that afterbody is embedded in the screw rod in hinge seam in advance and is fixedly installed on screw rod tail.
2. the concrete hollow slab bridge of the horizontal strengthening of steel bridge of use according to claim 1, is characterized in that: described levelling backing plate is steel plate.
3. the concrete hollow slab bridge of the horizontal strengthening of steel bridge of use according to claim 2, is characterized in that: each hollow slab beam to respectively put more energy between crossbeam, between hollow slab beam and corresponding levelling backing plate and levelling backing plate and corresponding putting more energy between crossbeam be all bonded as one by structure glue.
4. the concrete hollow slab bridge of the horizontal strengthening of steel bridge of use according to claim 3, is characterized in that: be positioned at crossbeam both ends of respectively putting more energy into and be also provided with the beam-ends connecting piece being fixed in bridge floor beam edge and corresponding beam-end of putting more energy into.
5. the concrete hollow slab bridge of the horizontal strengthening of steel bridge of use according to claim 4, it is characterized in that: a side portion of described bridge floor beam is provided with the edge of a wing, described beam-ends connecting piece comprises the long connecting bolt that arrange corresponding to bridge floor beam flange structural and the drum steel work union body arranged without the longitudinal direction that cantilever flange structural is corresponding with bridge floor beam, long connecting bolt is anchored on through bridge floor beam flange structural crossbeam top wing plate of putting more energy into, being positioned at each drum steel work union body upper end is also connected with it in T set up of character patt ern and the union body annex be made up of drum steel, described drum steel work union body is fixed in bridge floor beam edge by expansion bolt and is fixed in corresponding beam-end of putting more energy into by high-strength bolt, also be bonded as one by structure glue between drum steel work union body and bridge floor beam edge, described union body annex is fixed in bridge floor beam end face by expansion bolt and makes it to be formed with corresponding put more energy into crossbeam and drum steel work union body to embrace a buckle structure.
6. the concrete hollow slab bridge of the horizontal strengthening of steel bridge of use according to claim 5, is characterized in that: be also provided with for carrying out 1 ~ 2 affixed expansion bolt to them putting more energy between crossbeam and each hollow slab beam.
CN201210132068.6A 2012-05-02 2012-05-02 Concrete hollow slab bridge reinforced by transverse steel beams CN102635060B (en)

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CN103362222B (en) * 2013-07-05 2016-01-27 北京东方福霖大型楼板有限公司 A kind of SP prestressed cored slab with bolt embedded part
CN103541301B (en) * 2013-10-15 2015-07-15 福州大学 Hinge joint structure with perforated steel plate and construction method of hinge joint structure
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CN110904864A (en) * 2019-12-10 2020-03-24 中铁大桥(南京)桥隧诊治有限公司 Steel-concrete combined system for improving bearing capacity of concrete box girder bridge

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Patentee after: Mao bridge traffic technology (Dongguan) Co., Ltd.

Address before: 400074 No. 66, No. 35, Xuefu Road, Nan'an District, Chongqing, 2, 4 building, unit 1, Chongqing Jiaotong University.

Patentee before: Zhou Jinyu