CN106149562A - The steel concrete combined bridge deck structure of the with holes T-shaped ribbed stiffener that a kind of uniform thickness is ultra-thin - Google Patents

The steel concrete combined bridge deck structure of the with holes T-shaped ribbed stiffener that a kind of uniform thickness is ultra-thin Download PDF

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Publication number
CN106149562A
CN106149562A CN201610475000.6A CN201610475000A CN106149562A CN 106149562 A CN106149562 A CN 106149562A CN 201610475000 A CN201610475000 A CN 201610475000A CN 106149562 A CN106149562 A CN 106149562A
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China
Prior art keywords
plate
steel
ribbed stiffener
holes
cast
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CN201610475000.6A
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Chinese (zh)
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CN106149562B (en
Inventor
牟廷敏
孙才志
范碧琨
王潇碧
郑旭峰
康玲
周孝军
宋瑞年
李伟
何娇阳
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Sichuan Highway Planning Survey and Design Institute Ltd
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Sichuan Department of Transportation Highway Planning Prospecting and Design Research Institute
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Application filed by Sichuan Department of Transportation Highway Planning Prospecting and Design Research Institute filed Critical Sichuan Department of Transportation Highway Planning Prospecting and Design Research Institute
Priority to CN201610475000.6A priority Critical patent/CN106149562B/en
Publication of CN106149562A publication Critical patent/CN106149562A/en
Application granted granted Critical
Publication of CN106149562B publication Critical patent/CN106149562B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/12Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E01D19/125Grating or flooring for bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/20Concrete, stone or stone-like material
    • E01D2101/24Concrete
    • E01D2101/26Concrete reinforced
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/20Concrete, stone or stone-like material
    • E01D2101/24Concrete
    • E01D2101/26Concrete reinforced
    • E01D2101/268Composite concrete-metal

Abstract

The steel concrete combined bridge deck structure of the with holes T-shaped ribbed stiffener that a kind of uniform thickness is ultra-thin, have bearing capacity height concurrently and from the feature of heavy and light, effectively simplify the construction measure with girder junction, reduce manufacture of steel structure and the difficulty of welding procedure and bridge deck difficulty of construction, the beneficially construction quality of lift bridge panel.On girder, the combined bridge deck Slab element of splicing is formed including at least two, combined bridge deck Slab element includes end steel plate and pours cast in place concrete plate thereon, and make the shear connector that end steel plate, cast in place concrete plate connect as one, it is characterized in that: described shear connector includes being embedded in cast in place concrete plate reinforcing bar shear connector, and the with holes T-shaped ribbed stiffener of the longitudinal extension that is horizontally arranged at interval on end steel plate;The section of each T-shaped ribbed stiffener with holes is T-shaped, and its vertical plate face offers longitudinally spaced through hole, and the lower end in vertical plate face is welded to connect with end steel plate face;The top plate face overlap joint that steel plate face of the described end is straight with girder welds, and described cast in place concrete plate one-piece casting forms, and the thickness of each section of cast in place concrete plate is equal.

Description

The steel concrete combined bridge front panel structure of the with holes T-shaped ribbed stiffener that a kind of uniform thickness is ultra-thin
Technical field
The present invention relates to composite bridge, particularly to the steel-concrete of the ultra-thin with holes T-shaped ribbed stiffener of a kind of uniform thickness Combined bridge deck.
Technical background
In the design process of bridge, conducting oneself with dignity for alleviating to widen range, bridge deck should make every effort to lightness, the simultaneously side of being Just industrialization manufacture is installed, and should simplify construction measure and the construction technology of bridge deck as far as possible.The bridge of science of bridge building application at present Panel typically uses ordinary reinforced concrete floorings, steel bridge deck, composite girder bridge panel or steel concrete combined bridge front panel.
Ordinary reinforced concrete floorings certainly focus on and occupy larger specific gravity in bridge total load head, and inadequate when bridge span is big Economical;Steel bridge deck is from heavy and light, but steel using amount is relatively big, cost is high, and bending rigidity is little, is easily generated bigger local deformation, mats formation Layer poor high temperature stability causes easy season cracking;Composite girder bridge panel cost is low, technology relative maturity, but thickness is generally more than 20cm, from great, between plate, the wettest seam is many with girder steel junction disease;Steel concrete combined bridge front panel is from heavy and light, bearing capacity High, good endurance, but high to steel member manufacture and welding process requirement, construct more complicated, to executing at the support being connected with girder Work technological requirement is higher.
Therefore, it is necessary to a kind of novel bridge panel of invention, have bearing capacity height concurrently and from the feature of heavy and light, simplify structure simultaneously Construct, be easy to construction, to be guaranteed in the construction quality that various Under Concrete floorings are built.
Summary of the invention
The technical problem to be solved is to provide the steel-concrete of the ultra-thin with holes T-shaped ribbed stiffener of a kind of uniform thickness Combined bridge deck constructs, and has bearing capacity height concurrently and from the feature of heavy and light, effectively simplifies the construction measure with girder junction, fall Low manufacture of steel structure and the difficulty of welding procedure and bridge deck difficulty of construction, the beneficially construction quality of lift bridge panel.
The technical solution adopted for the present invention to solve the technical problems is as follows:
The steel concrete combined bridge front panel structure of the with holes T-shaped ribbed stiffener that a kind of uniform thickness of the present invention is ultra-thin, including at least Two combined bridge deck Slab element forming splicing on girder, combined bridge deck Slab element includes end steel plate and pours showing thereon Pouring concrete plate, and make the shear connector that end steel plate, cast in place concrete plate connect as one, it is characterized in that: described shear connector bag Include and be embedded in cast in place concrete plate reinforcing bar shear connector, and the with holes T-shaped of the longitudinal extension that is horizontally arranged at interval on end steel plate adds Strength rib;The section of each T-shaped ribbed stiffener with holes is T-shaped, its vertical plate face offers longitudinally spaced through hole, under vertical plate face End is welded to connect with end steel plate face;The top plate face overlap joint that steel plate face of the described end is straight with girder welds, described cast-in-place mixed Concrete board one-piece casting forms, and the thickness of each section of cast in place concrete plate is equal.
The invention has the beneficial effects as follows, compared with existing reinforced concrete bridge deck plate, overlapping floorings, alleviate structure certainly Weight, improves the span ability of agent structure;Compared with steel bridge deck, save steel using amount, reduced cost, improve structure Durability;Compared with existing steel concrete combined bridge front panel, eliminate support structure, the thickness of each section of cast in place concrete plate Spend equal, simplify steel beam column manufacture and welding procedure, ensured the industrialized construction of bridge structure, improve floorings and bear curved The bearing capacity of square section;Cast-in-place concrete uses the hybrid fiber concrete of blending steel fibre and polyacrylonitrile fibre, improves The durability of floorings, extends its service life.
Accompanying drawing explanation
This specification comprises following five width accompanying drawings:
Fig. 1 is vertical section (bridge length direction) structural representation of existing steel concrete combined bridge front panel.
Fig. 2 is the cross-sectional structure schematic diagram of existing steel concrete combined bridge front panel.
Component shown in Fig. 1, Fig. 2 and the labelling of correspondence: end steel plate 1, steel plate with holes (shear connector) 2, cast in place concrete plate 3, transverse steel 5, longitudinal reinforcement 6 outside transverse steel 4, hole in steel plate hole with holes, bend up longitudinal reinforcement 7, peg 8, support steel plate 9。
Fig. 3 is the vertical disconnected of the steel concrete combined bridge front panel structure of the ultra-thin with holes T-shaped ribbed stiffener of a kind of uniform thickness of the present invention Face (bridge length direction) structural representation.
Fig. 4 is the transversal of the steel concrete combined bridge front panel structure of the ultra-thin with holes T-shaped ribbed stiffener of a kind of uniform thickness of the present invention Face structural representation.
Fig. 5 is the enlarged drawing of A local in Fig. 3;
Component shown in Fig. 3, Fig. 4 and the labelling of correspondence: girder A, end steel plate 11, T-shaped ribbed stiffener 12 with holes, riser 12a, Transverse steel 15, longitudinal reinforcement 16, girder ribbed stiffener 17, top outside flange plate 12b, cast in place concrete plate 13, transverse steel 14, hole Plate 18.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
It is existing steel concrete combined bridge front panel structure shown in Fig. 1, Fig. 2, specifically includes end steel plate 1 and pour in it On cast in place concrete plate 3, and make the shear connector that end steel plate 1, cast in place concrete plate 3 connect as one.Described shear connector bag Include the steel plate with holes 2 being welded on end steel plate 1, and welding (fixing) is at the reinforcing bar shear connector of end steel plate more than 1.Described existing Pouring concrete plate is formed by the concrete poured on end steel plate 1 plate face by 3, and is buried underground in the inner by reinforcing bar shear connector.Described Reinforcing bar shear connector includes in steel plate with holes transverse steel 5 outside transverse steel 4, hole, and longitudinal reinforcement 6.Steel plate of the described end 1 is with main Beam A link position (hogging moment area) is set up shear connector peg 8 and bends up longitudinal reinforcement 7, and welds end steel plate by support steel plate 9 1 and girder A.Steel concrete combined bridge front panel has from heavy and light, bearing capacity height and the feature of good endurance, but to holding position Steel member manufacture and the welding process requirement at place are higher, and structure is complicated and constructs cumbersome, is unfavorable for that floorings are widely Application.
With reference to Fig. 3 and Fig. 4 and Fig. 5, the steel-concrete combination of the with holes T-shaped ribbed stiffener that a kind of uniform thickness of the present invention is ultra-thin Floorings construct, and form the combined bridge deck Slab element of splicing on girder A including at least two, and combined bridge deck Slab element includes the end Steel plate 11 and pour cast in place concrete plate 13 thereon, and make end steel plate 11, cast in place concrete plate 13 connect as one Shear connector, is characterized in that: described shear connector includes being embedded in cast in place concrete plate 13 reinforcing bar shear connector, and on end steel plate 11 Be horizontally arranged at interval the with holes T-shaped ribbed stiffener 12 of longitudinal extension;The section of T-shaped ribbed stiffener 12 with holes is T-shaped, on its vertical plate face Offering longitudinally spaced through hole, the lower end in vertical plate face is welded to connect with end steel plate 11 plate face.Steel plate 11 plate face, the described end with The top board 18 plate face overlap joint welding that girder A is straight, described cast in place concrete plate 13 one-piece casting forms, and cast in place concrete plate 13 is each The thickness of section is equal.
Described T-shaped ribbed stiffener 12 with holes can use overall structure, it would however also be possible to employ be welded to connect as shown in Figure 5 Body structure, riser 12a that the most described T-shaped ribbed stiffener 12 with holes is welded with end steel plate 11 plate face by lower edge and be fixedly welded on riser The flange plate 12b of 12a upper limb is constituted,
With reference to Fig. 1, Fig. 2 and Fig. 4, the composite steel concrete bridge of the with holes T-shaped ribbed stiffener that a kind of uniform thickness of the present invention is ultra-thin Panel constructs with steel plate with holes straight in the T-shaped ribbed stiffener 12 with holes existing steel concrete combined bridge front panel of replacement, and eliminates The support structure of girder connecting portion, the thickness of each section of cast in place concrete plate is equal, simplifies steel beam column manufacture and Welder Skill, has ensured the industrialized construction of bridge structure, improves the bearing capacity of floorings negative moment area.With existing armored concrete Floorings, overlapping floorings are compared, and alleviate dead load, improve the span ability of agent structure;Compared with steel bridge deck, Save steel using amount, reduced cost, improve the durability of structure.
With reference to Fig. 3 and Fig. 4, described cast in place concrete plate 13 uses hybrid fiber concrete to pour and forms, and wherein mixes poly- Acrylonitrile 0.6~1.0kg/m3, mixing of steel fiber 35~45kg/m3, its thickness is not more than 16cm, it is achieved that ultra-thin, can effectively drop The construction cost of low bridge deck.End steel plate 11, both as the stressed member of combined bridge deck, also serves as cast in place concrete plate simultaneously The template of 13, decreases the form work engineering of floorings, saves the construction period.
With reference to Fig. 4 and Fig. 5, T-shaped ribbed stiffener 12 with holes is the shear connector between end steel plate and concrete, by setting on rib top Put flange plate, increase the steel using amount of floorings section-top, can substantially increase the tension reinforcement of negative moment area floorings The ratio of reinforcement, improves strength and stiffness and the cracking resistance of the decking in the negative moment region, simultaneously end steel plate 11 and cast-in-place concrete Reinforcing bar shear connector is set between plate 13, provides higher strength and stiffness for combined bridge deck.
With reference to Fig. 4 and Fig. 5, with holes T-shaped ribbed stiffener 12 He of longitudinal extension that described top board 18 plate face is horizontally arranged at interval Girder ribbed stiffener 17, girder ribbed stiffener 17 plate face offers the through hole corresponding with T-shaped ribbed stiffener 12 with holes.Described reinforced shear Power key includes transverse steel 15 and longitudinal reinforcement 16 outside transverse steel 14, hole, and outside hole, transverse steel 15 is longitudinally spaced is arranged at the wing On listrium 12b and being welded to connect therewith, transverse steel 14 is through leading on each girder ribbed stiffener 17, girder ribbed stiffener 17 plate face Hole, longitudinal reinforcement 16 is horizontally arranged at interval between transverse steel 15 outside transverse steel 14, hole.
The steel concrete combined bridge front panel structure of the with holes T-shaped ribbed stiffener that a kind of uniform thickness of the present invention is ultra-thin is with existing There are all kinds of floorings to compare, have a characteristic that
1, verify, compared with reinforced concrete bridge deck plate, have when conducting oneself with dignity on an equal basis, component ultimate bearing capacity through model test 1.4~2.2 times can be improved;When there is identical ultimate bearing capacity, dead load about 62% can be reduced, agent structure is greatly improved Span ability.
2, compared with steel bridge deck, saving steel consumption, more than 51%, solves overlapping bridge floor simultaneously and spreads with steel bridge deck The problem that the evil that pretends to be sick is many, improves durability.
3, compared with existing steel concrete combined bridge front panel, eliminate steel plate and corresponding reinforcement constitution at support, be thinned With girder junction concrete thickness 10~12cm, reduce difficulty of construction, improve the decking in the negative moment region bearing capacity 15%, Amount of concrete 19%, reduction of erection time 20~40 days can be saved.
The steel-concrete group of the with holes T-shaped ribbed stiffener that the above a kind of uniform thickness of the present invention that simply explains through diagrams is ultra-thin Close some principles of floorings structure, be not intended to the present invention is confined to shown and described concrete structure and the scope of application In, therefore every corresponding amendment being likely utilized and equivalent, belong to the apllied the scope of the claims of the present invention.

Claims (6)

1. the steel concrete combined bridge front panel structure of the with holes T-shaped ribbed stiffener that a uniform thickness is ultra-thin, including at least two at girder (A) the upper combined bridge deck Slab element forming splicing, combined bridge deck Slab element include end steel plate (11) and pour thereon cast-in-place Concrete slab (13), and make the shear connector that end steel plate (11), cast in place concrete plate (13) connect as one, it is characterized in that: institute State shear connector and include being embedded in cast in place concrete plate (13) reinforcing bar shear connector, and it is vertical to be horizontally arranged at interval on end steel plate (11) To the with holes T-shaped ribbed stiffener (12) extended;The section of each T-shaped ribbed stiffener (12) with holes is T-shaped, its vertical plate face offers vertical To the through hole at interval, the lower end in vertical plate face is welded to connect with end steel plate (11) plate face;Steel plate (11) plate face, the described end and girder (A) straight top board (18) plate face overlap joint welding, described cast in place concrete plate (13) one-piece casting forms, cast in place concrete plate (13) thickness of each section is equal.
The steel concrete combined bridge front panel structure of the with holes T-shaped ribbed stiffener that a kind of uniform thickness the most as claimed in claim 1 is ultra-thin, It is characterized in that: riser (12a) that described T-shaped ribbed stiffener (12) with holes is welded with end steel plate (11) plate face by lower edge and being welded and fixed Flange plate (12b) in riser (12a) upper limb is constituted.
The steel concrete combined bridge front panel structure of the with holes T-shaped ribbed stiffener that a kind of uniform thickness the most as claimed in claim 1 is ultra-thin, It is characterized in that: with holes T-shaped ribbed stiffener (12) and the girder of the longitudinal extension that is horizontally arranged at interval on described top board (18) plate face are put more energy into Rib (17), girder ribbed stiffener (17) plate face offers the through hole corresponding with T-shaped ribbed stiffener (12) with holes.
The steel concrete combined bridge front panel structure of the with holes T-shaped ribbed stiffener that a kind of uniform thickness the most as claimed in claim 3 is ultra-thin, It is characterized in that: described reinforcing bar shear connector includes transverse steel (15) and longitudinal reinforcement (16) outside transverse steel (14), hole, horizontal outside hole Being arranged on flange plate (12b) and be welded to connect therewith to reinforcing bar (15) is longitudinally spaced, transverse steel (14) passes each girder Through hole on ribbed stiffener (17), girder ribbed stiffener (17) plate face, longitudinal reinforcement (16) is transverse steel outside transverse steel (14), hole (15) it is horizontally arranged at interval between.
The steel concrete combined bridge front panel structure of the with holes T-shaped ribbed stiffener that a kind of uniform thickness the most as claimed in claim 1 is ultra-thin, It is characterized in that: the thickness of described cast in place concrete plate (13) is not more than 16cm.
The steel concrete combined bridge front panel structure of the with holes T-shaped ribbed stiffener that a kind of uniform thickness the most as claimed in claim 5 is ultra-thin, It is characterized in that: described cast in place concrete plate (13) uses hybrid fiber concrete to pour and form, wherein mix polyacrylonitrile 0.6~ 1.0kg/m3, mixing of steel fiber 35~45kg/m3
CN201610475000.6A 2016-06-23 2016-06-23 A kind of steel concrete combined bridge front panel of the ultra-thin T-type ribbed stiffener with holes of uniform thickness constructs Active CN106149562B (en)

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Cited By (9)

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CN106638302A (en) * 2016-11-28 2017-05-10 四川省交通运输厅公路规划勘察设计研究院 Steel-concrete combination deck plate and construction method thereof
CN107217585A (en) * 2017-07-27 2017-09-29 长安大学 Compound cross-section combined column pier
CN107587424A (en) * 2017-09-20 2018-01-16 广东省交通规划设计研究院股份有限公司 A kind of ultra-high performance concrete floorings
CN107604815A (en) * 2017-09-20 2018-01-19 广东省交通规划设计研究院股份有限公司 A kind of ultra-high performance concrete combined bridge deck plate for carrying template
CN108265626A (en) * 2018-03-29 2018-07-10 同济大学 Reinforcing steel bar-steel plate skeleton combined bridge deck and its construction method
CN109722977A (en) * 2019-01-31 2019-05-07 深圳市综合交通设计研究院有限公司 A kind of Composite Steel-Concrete Bridges and its construction method with novel deck structrue
CN112195778A (en) * 2020-09-22 2021-01-08 浙江大学 Toughness combination bridge deck plate composed of T-shaped steel
CN112942101A (en) * 2021-02-03 2021-06-11 河博通(北京)路桥科技有限公司 Light grid reinforced composite bridge floor and laying method
CN113463495A (en) * 2021-07-21 2021-10-01 台州市交通勘察设计院有限公司 Construction method of cast-in-situ steel-concrete composite beam with double main beam longitudinal one-way plates

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CN105113405A (en) * 2015-08-21 2015-12-02 同济大学 Composite bridge deck based on steel and UHPC (Ultra High Performance Concrete)
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CN101736691A (en) * 2008-11-25 2010-06-16 同济大学 Fiber reinforce plastic (FRP) ribbing folded plate-concrete combined bridge deck
CN102021879A (en) * 2010-12-31 2011-04-20 上海市城市建设设计研究院 Rail transit steel structure bridge
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Cited By (10)

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Publication number Priority date Publication date Assignee Title
CN106638302A (en) * 2016-11-28 2017-05-10 四川省交通运输厅公路规划勘察设计研究院 Steel-concrete combination deck plate and construction method thereof
CN107217585A (en) * 2017-07-27 2017-09-29 长安大学 Compound cross-section combined column pier
CN107587424A (en) * 2017-09-20 2018-01-16 广东省交通规划设计研究院股份有限公司 A kind of ultra-high performance concrete floorings
CN107604815A (en) * 2017-09-20 2018-01-19 广东省交通规划设计研究院股份有限公司 A kind of ultra-high performance concrete combined bridge deck plate for carrying template
CN108265626A (en) * 2018-03-29 2018-07-10 同济大学 Reinforcing steel bar-steel plate skeleton combined bridge deck and its construction method
CN109722977A (en) * 2019-01-31 2019-05-07 深圳市综合交通设计研究院有限公司 A kind of Composite Steel-Concrete Bridges and its construction method with novel deck structrue
CN112195778A (en) * 2020-09-22 2021-01-08 浙江大学 Toughness combination bridge deck plate composed of T-shaped steel
CN112195778B (en) * 2020-09-22 2022-07-05 浙江大学 Toughness combination bridge deck plate composed of T-shaped steel
CN112942101A (en) * 2021-02-03 2021-06-11 河博通(北京)路桥科技有限公司 Light grid reinforced composite bridge floor and laying method
CN113463495A (en) * 2021-07-21 2021-10-01 台州市交通勘察设计院有限公司 Construction method of cast-in-situ steel-concrete composite beam with double main beam longitudinal one-way plates

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