CN104831615A - Combined cable-stayed steel structure arch bridge in special-shaped spatial lattice form based on loop system - Google Patents
Combined cable-stayed steel structure arch bridge in special-shaped spatial lattice form based on loop system Download PDFInfo
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Abstract
The invention provides a combined cable-stayed steel structure arch bridge in a special-shaped spatial lattice form based on a loop system. The combined cable-stayed steel structure arch bridge comprises bridge piers, a curvature bridge deck beam, a suspension cable arch and stay cables. The curvature bridge deck beam and the suspension cable arch are connected in an end-to-end mode, the curvature bridge deck beam and the suspension cable arch are spatially connected through the stay cables, and the center line of the combined cable-stayed steel structure arch bridge in the special-shaped spatial lattice form is formed by connecting the center line of the curvature bridge deck beam and the center line of the suspension cable arch through straight lines, oval lines and circular-arc lines in an end-to-end tangency mode, so that the special-shaped spatial structure of the loop system is formed. The curvature bridge deck beam and the suspension cable arch are lattice-form components, the curvature bridge deck beam is in an equal-width variable-height structure form, main beams nearby the bridge piers are higher than main beams at other portions, the number of the main beams nearby the bridge piers is larger than that of the main beams at other portions, and the section of the suspension cable arch is in a planar dumbbell type and is formed by combining main beams with auxiliary beams, wherein the main beams and the auxiliary beams are in a box-type section form.
Description
Technical field
The present invention relates to bridge technology field, particularly relate to a kind of spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system.
Background technology
At present in the design of civic landscape pedestrian bridge, bridge generally across footpath often adopts beam bridge, rigid frame bridge, arch bridge, trussed bridge, and the civic landscape pedestrian bridge of Long span then adopts the form of structure of cable stayed bridge, suspension bridge and combined system birdge (Yi Liang, the various combination encircleing, hang three are main).
Common civic landscape pedestrian bridge form of structure is all develop from highway bridge, although noted the moulding of bridge upper body in evolutionary process, have also contemplated that the coordination aesthetic property that pier and superstructure combine, seek the coordination of the collocation of colour of bridge own and the natural or artificial color of surrounding, also suitable decoration is carried out to railing, pier, girder, Sarasota etc., but do not form creationary breakthrough all the time.
Such as, document CN 202164533U discloses a kind of urban road of can crossing over and passes through for pedestrains safety and increase the arch cross-street footbridge of existing city across street bridge landscape function, with two groups of arc steel structures (1) and abutment (15) through to weld or connecting method forms bridge floor bearing structure across street bridge, be fixed on Bridge Foundation with bolt (14) below the bridge floor bearing structure of composition, Bridge Deck Steel (3) laterally rides in carrying girder steel (4), bolt (6) mixed by junction circular steel plate (5), by arc steel structure (1), Bridge Deck Steel (3) and the fixing reinforcing of abutment (15).Arc steel structure and Bridge Deck Steel bolt (2) tighten up fixing, with supporting abutment (7) supporting below Bridge Deck Steel two ends, ladder step carries girder steel (8) welding or bolt connecting method up and down and is overlapped on Bridge Deck Steel, terraced fore-and-aft gangway base steel structure (13) is used to support below, bridge floor laterally and ladder step carrying girder steel upper berth takes steel plate (9,12), pedestrian's upper and lower bridge ladder step (10) installed by ladder step steel plate and forms arch cross-street footbridge with the upper and lower bridge of pedestrian and bridge floor handrail (11).
Document CN104404862A discloses a kind of steel pipe rack People's Bank of China Pipeline Bridge, and comprise and have the bridge that People's Bank of China's bridge floor fastens layer and pipeline/and access path lower floor, described bridge main beam is tubular net frame structure; Girder is made up of multiple full-length steelpipe net shelf structure, and space is divided into two-layer up and down by bridge deck, and upper strata is walkway, and lower floor is pipeline and access path; Steel pipe rack inner space is comparatively large, achieves being separated up and down of pedestrian and pipeline, ensure that respective separate space, easy to use and management; Girder is made up of the space truss structure of full-length, belongs to modularized design, and processing and fabricating can mass.The steelpipe net shelf structure that the steel pipe 1 that described girder is fixedly connected with annular steel disc 2 by multiple annular steel disc 2 and circumference is formed; Steel pipe 1 is fixedly connected on steel disc 2, and steel pipe 1 and steel disc 2 form tubular net frame space; Girder is indulged bridge and is arranged one annulus steel disc 2 (i.e. a standard network shelf structure length) to 3.5m section; Steel pipe net rack installation is large, bearing capacity is high, is applicable to the demand that crosses the river of intensive people flow and large-scale pipeline.Described steel disc 2 radial direction is fixedly installed the crossbeam 5 for supporting upper strata People's Bank of China bridge deck 4; Rack space is divided into two-layer up and down for steel disc 2 diametric(al), crossbeam 5 by " radial direction ", and upper strata is walkway, and lower floor is pipeline and access path, can add frange plate, form crossbeam 5, as bridge deck braced structures in steel disc 2 local.Described steel pipe 1 and steel disc 2 are welded and fixed by gusset plate 3 and are connected; Multiple steel disc 2 longitudinally connects by round steel pipe along bridge, and steel pipe 1 arranges gusset plate 3 with the connected node of steel disc 2.Described gusset plate 3 is fixedly welded on steel disc 2, described steel pipe walls radial direction crack insert gusset plate 3 be welded and fixed setting; Steel pipe 1 diametrically cracks, and is inserted into gusset plate 3 and welds, and gusset plate 3 and steel disc 2 carry out being welded to connect integrally.Described steel disc 2 is the annulus steel disc 2 of spaced set, and described steel pipe 1 is the round steel pipe angularly connected; Described upper strata People's Bank of China bridge deck 4 is that beam system bridge deck add deck installation structure in length and breadth; Space is divided into two-layer up and down by bridge deck; Space truss structure defines hemi-closure space, ensure that respective separate space.Described bridge top is provided with sunlight board awning; Awning is set at annulus steel disc 2 top, for pedestrian is kept out the wind sunshade of taking shelter from rain, improves comfort, achieve humanization design concept.
Along with the high speed development of national economy and the progressively raising of living standards of the people, people are more and more higher for the esthetic requirement of bridge construction, modern bridge beam action is " driving is remarkable " not just, and it also needs " intersperse territory, beautify the environment, hold biography culture, carry forward spirit ".View pedestrian bridge is the special building of leaping over obstacles, and not merely as engineering entity important in traffic lines, and a kind of spatial art works of Chang Zuowei is present among society.They are often be looked at as significant view.
Summary of the invention
Large span curve bridge floor beam body is encircleed with suspension line and is combined by loopback configuration and suspension cable by the present invention, solve large span People's Bank of China Landscape Bridge receive strength rationality and the too low problem of natural frequency, a kind of spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system is provided, comprise bridge pier, curve bridge floor beam body, suspension line arch and suspension cable, wherein curve bridge floor beam body and suspension line arch join end to end, curve bridge floor beam body and suspension line arch spatially link together by suspension cable, the center line of this spacial special-shaped lattice combination oblique rollering steel structure arch bridge is that the center line encircleed by the center line of curve bridge floor beam body and suspension line passes through straight line, ellipse and circular arc line head and the tail are tangently formed by connecting, form spacial special-shaped structure, described curve bridge floor beam body and suspension line arch all adopt latticed members, the employing of curve bridge floor beam body is wide uprises form of structure, girder near bridge pier is increased and increasing number than the girder at other positions, cross section pattern adopts plane dumbbell shape, plane dumbbell shape is combined by girder and secondary beam, all adopt box-type section pattern, suspension line arch adopts to broaden and uprises the form of structure of variable cross-section pattern, from bridge pier to span centre, hang arch span degree to narrow gradually, increase highly gradually, cross section pattern fades to spatial triangle from plane dumbbell shape, plane dumbbell shape is combined by girder and secondary beam, all adopt box-type section pattern, spatial triangle is combined by box-type section secondary beam by two box-type section girders and a circular cross-section girder.
The bridge material of the described spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system adopts steel work.
The flat shape of the described spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system is numeral " 8 " shape or " ∞ " shape, forms winding system.
The span of the described spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system is between 40 ~ 150m.
Compared with prior art, the beneficial effect of technical solution of the present invention is:
Spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system provided by the invention is applicable to city pedestrian bridge, is particularly useful for view requirement high, as the bridge construction of view terrestrial reference.Curve bridge floor beam body of the present invention and suspension line arch all adopt latticed steel structure, and end of the bridge, a little more than ground, makes whole arch bridge suspend.The ribbon that bridge type is seemingly waved, be a kind of have romanticism color, get close to nature, external image has creationary bridge construction form.
Accompanying drawing explanation
Fig. 1 represents bridge-type structure top view of the present invention.
Fig. 2 is bridge-type structure front elevation view of the present invention.
Fig. 3 is bridge-type structure three-dimensional model diagram of the present invention.
Fig. 4 is bridge-type structure shaft side figure of the present invention.
Fig. 5 is the bridge-type structure shaft side figure of another angle of the present invention.
Fig. 6 is that bridge-type structure of the present invention is along bridge floor direction phantom drawing.
Fig. 7 is that bridge-type structure of the present invention is along suspension line arch direction phantom drawing.
Fig. 8 is the plane dumbbell shape latticed members schematic diagram of curve bridge floor beam body of the present invention.
Fig. 9 is the spatial triangle latticed members schematic diagram of suspension line of the present invention arch.
Detailed description of the invention
Below, be described in detail based on accompanying drawing for the preferred embodiment of the present invention.In addition, accompanying drawing of the present invention unrestricted the present invention, but for making the present invention be easier to understand.In addition, in order to avoid the present invention is unclear, the detailed description to peripheral part is eliminated.
As illustrated in fig. 1 and 2, the invention provides a kind of spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system, comprise bridge pier 4, curve bridge floor beam body 1, suspension line arch 2 and suspension cable 3, wherein curve bridge floor beam body 1 and suspension line arch 2 join end to end, curve bridge floor beam body 1 and suspension line arch 2 spatially link together by suspension cable 3, the center line of this spacial special-shaped lattice combination oblique rollering steel structure arch bridge passes through straight line by the center line of the center line of curve bridge floor beam body 1 and suspension line arch 2, ellipse and circular arc line head and the tail are tangently formed by connecting, form spacial special-shaped structure, described curve bridge floor beam body 1 and suspension line arch 2 all adopt latticed members, curve bridge floor beam body 1 adopts and widely uprises form of structure, as shown in Figure 2, the girder of the curve bridge floor beam body bridge pier section of uprising 5 near bridge pier 4 is increased and increasing number than the girder at other positions, cross section pattern adopts plane dumbbell shape, as shown in Figure 8, plane dumbbell shape is combined by box-type section girder 81 and secondary beam 82, all adopt box-type section pattern, suspension line arch 2 adopts to broaden and uprises the form of structure of variable cross-section pattern, as shown in Figure 2, the suspension line arch section of uprising 6 shows from bridge pier to span centre, suspension line arch span degree narrows gradually, increase highly gradually, cross section pattern fades to spatial triangle from plane dumbbell shape, plane dumbbell shape is combined by box-type section girder 81 and secondary beam 82, all adopt box-type section pattern, spatial triangle as shown in Figure 9, combined by box-type section secondary beam 93 by two box-type section girders 92 and a circular cross-section girder 91.
The bridge material of the described spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system adopts steel work.
As shown in Figure 1, the flat shape of the described spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system is numeral " 8 " shape or " ∞ " shape, forms winding system.
The span of the described spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system is between 40 ~ 150m.
Fig. 3-7 shows the bridge-type structure schematic diagram of different points of view, different directions and angle, can find out that the spacial special-shaped lattice based on winding system of the present invention combines the overall structure of oblique rollering steel structure arch bridge more intuitively by Fig. 3-7.
In sum, be embodiment of the present invention content, and obviously embodiments of the present invention are not limited in this, it according to different application environment, can utilize functions implementing the present invention corresponding demand.
Claims (4)
1. the spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system, it is characterized in that, comprise bridge pier, curve bridge floor beam body, suspension line arch and suspension cable, wherein curve bridge floor beam body and suspension line arch join end to end, curve bridge floor beam body and suspension line arch spatially link together by suspension cable, the center line of this spacial special-shaped lattice combination oblique rollering steel structure arch bridge is that the center line encircleed by the center line of curve bridge floor beam body and suspension line passes through straight line, ellipse and circular arc line head and the tail are tangently formed by connecting, form spacial special-shaped structure, described curve bridge floor beam body and suspension line arch all adopt latticed members, the employing of curve bridge floor beam body is wide uprises form of structure, girder near bridge pier is increased and increasing number than the girder at other positions, cross section pattern adopts plane dumbbell shape, plane dumbbell shape is combined by girder and secondary beam, all adopt box-type section pattern, suspension line arch adopts to broaden and uprises the form of structure of variable cross-section pattern, from bridge pier to span centre, suspension line arch span degree narrows gradually, increase highly gradually, cross section pattern fades to spatial triangle from plane dumbbell shape, plane dumbbell shape is combined by girder and secondary beam, all adopt box-type section pattern, spatial triangle is combined by box-type section secondary beam by two box-type section girders and a circular cross-section girder.
2. the spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system according to claim 1, it is characterized in that, the bridge material of this arch bridge adopts steel work.
3. the spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system according to claim 2, it is characterized in that, the flat shape of this arch bridge is numeral " 8 " shape or " ∞ " shape, forms winding system.
4. the spacial special-shaped lattice combination oblique rollering steel structure arch bridge based on winding system according to claim 3, it is characterized in that, the span of this arch bridge is between 40 ~ 150m.
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| CN201510267605.1A CN104831615B (en) | 2015-05-25 | 2015-05-25 | Spacial special-shaped lattice based on winding system combination oblique rollering steel structure arch bridge |
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Cited By (4)
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| CN107964864A (en) * | 2017-12-06 | 2018-04-27 | 浙江精工钢结构集团有限公司 | A kind of trapezoidal bending component of gradual change and manufacture method of anchoringwire in vivo |
| CN108193778A (en) * | 2018-01-09 | 2018-06-22 | 上海绿地建设(集团)有限公司 | A kind of construction method of goose egg shape steel construction |
| CN108330813A (en) * | 2018-03-07 | 2018-07-27 | 西华大学 | A kind of novel bridge |
| CN112342891A (en) * | 2020-11-03 | 2021-02-09 | 中铁重工有限公司 | Construction method of stay cable steel arch landscape bridge |
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| CN101054791A (en) * | 2007-05-09 | 2007-10-17 | 华东交通大学 | Joist type cable arch bridge structure and its construction method |
| GB2508773A (en) * | 2011-09-30 | 2014-06-11 | Shenzhen Bridge Design & Res Inst Co Ltd | Extended-span and alternatively-shaped arch bridge and construction method therefor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107964864A (en) * | 2017-12-06 | 2018-04-27 | 浙江精工钢结构集团有限公司 | A kind of trapezoidal bending component of gradual change and manufacture method of anchoringwire in vivo |
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| CN112342891B (en) * | 2020-11-03 | 2021-11-19 | 中铁重工有限公司 | Construction method of stay cable steel arch landscape bridge |
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