CN204530429U - A kind of steel lagging jack drag-line civic landscape bridge that intersects - Google Patents
A kind of steel lagging jack drag-line civic landscape bridge that intersects Download PDFInfo
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- CN204530429U CN204530429U CN201520146671.9U CN201520146671U CN204530429U CN 204530429 U CN204530429 U CN 204530429U CN 201520146671 U CN201520146671 U CN 201520146671U CN 204530429 U CN204530429 U CN 204530429U
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Abstract
The utility model discloses a kind of steel lagging jack drag-line civic landscape bridge that intersects, a kind of steel lagging jack drag-line civic landscape bridge that intersects, comprise the upper steel box arch rib of right-angled intersection setting and lower steel box arch rib, upper steel box arch rib is connected with cable wire respectively with lower steel box arch rib lower end, cable wire lower end is connected with bridge superstructure, upper steel box arch rib and lower steel box arch rib lower end anchor into concrete arch springing, and concrete arch springing is seated on riverbed basement rock.The beneficial effects of the utility model are, solve the concrete larger difficulty implementing to exist, meet under-clearance and water balcony and to pass through requirement, adopt and intersect steel lagging jack drag-line decorative model form, bridge either easy construction, construction costs but also within the scope of gross investment, or make pontic attractive in appearance beautiful.The using function variation of the utility model patent.
Description
Technical field
The utility model belongs to bridge technology field, relates to a kind of steel lagging jack drag-line civic landscape bridge that intersects.
Background technology
Bridge be cross over river, valley or other traffic routes time lead to the building that relates to of Ji profit, it develops along with the needs of communication function and the possibility of economy and science and technology, under Laws of Mechanics and aesthetic principle domination, being formed by well-designed and well construction, is the Trinitarian product of the humanities, engineering and art.Outstanding bridge construction not only embodies the wisdom of humanity and great creativity, and often becomes the legacy of the symbol in epoch, aesthetic object and culture.No matter technically or aesthetic China's rivers in length and breadth, bridge is numerous, bridge construction art has a long history and the chapter of radiance, have the achievement that much can be cited as pride.Bridge, because it is across on rivers or urban traffic circuit, scans mountains and rivers, extensively concerned, having experienced various vicissitudes of life often becomes aesthetic object.Therefore, not only can pass through to the requirement of bridge, and wish that it seems to want beautiful.Bridge Landscape is one of bridge aesthetics intension.Since ancient times, the mankind get over paddy and bridge construction beam for cross a river, and ancient bridge beautiful scenery can consult " bridge historical narrative " and " Chinese bridge spectrum ".Ancient times, artisan created the ancient bridge of thousand appearance ten thousand states, formed harmonious gorgeous scenery.Recall the analogy often having in ancient poetry and fly bridge, Hongqiao, curved bridge, the wooden Hongqiao in Song's " Riverside Scene at the Pure Moon Festival ", structure is ingenious, and view is more exhausted.Now, social productive forces develop rapidly, science and technology is advanced by leaps and bounds, the construction of Modernized City Construction Bridge is except having land transportation function, more should become the landscape that one, city is beautiful, for sightseeing in municipal water, community, park, tourism, lie fallow, place construction of spending a holiday provides technical condition.
Existing civic landscape bridge, bridge scheme all consider that bridge both sides planning condition, landform, water level, navigation etc. factor is less, and bridge overall cost is too high by large across accepting structure, and Specific construction exists larger difficulty.
Utility model content
The purpose of this utility model is to provide a kind of steel lagging jack drag-line civic landscape bridge that intersects, and difficulty of construction is low, more stable and stronger, and cost is low.
The technical scheme that the utility model adopts is, a kind of steel lagging jack drag-line civic landscape bridge that intersects, comprise the upper steel box arch rib of right-angled intersection setting and lower steel box arch rib, upper steel box arch rib is connected with cable wire respectively with lower steel box arch rib lower end, cable wire lower end is connected with bridge superstructure, upper steel box arch rib and lower steel box arch rib lower end anchor into concrete arch springing, and concrete arch springing is seated on riverbed basement rock.
Feature of the present utility model is also, bridge superstructure is single case three Room straight web concrete case beam, arranges two-way 2% degree of horizontal wall inscription; Box section height is 2 ~ 4m; Web thickness is 40 ~ 60cm; Top plate thickness is 25cm, and base plate thickness is 28cm; Choosing brachium is 2.5m, and choosing arm thickness is 15 ~ 45cm, and longitudinal prestressing Strands Layout, in web, adopts steel strand, and steel strand adopt plastic film capicitor drilling, the anchoring of group's anchor ground tackle, two ends stretch-draw.
The arch rib line style of upper steel box arch rib and lower steel box arch rib is the spline curve of variable cross-section, adopts weldable steel box structure, for uprising, broadening inverted trapezoidal cross section.
The arch rib root of upper steel box arch rib and lower steel box arch rib is welded with the thick anchor slab for 18mm.
The beneficial effects of the utility model are, under the prerequisite considering the factor such as bridge both sides planning condition, landform, water level, navigation, solve the concrete larger difficulty implementing to exist, meet under-clearance and water balcony to pass through requirement, adopt intersection steel lagging jack drag-line decorative model form, bridge either easy construction, construction costs but also within the scope of gross investment, or make pontic attractive in appearance beautiful.The using function variation of the utility model patent: both there is land transportation function, all right sightseeing waterborne, the beautiful landscape in one, city, for urban community, park, tourism, lie fallow, place construction of spending a holiday provides technical condition, for domestic city Landscape Bridge construction provides model.
Accompanying drawing explanation
Fig. 1 is three-dimensional structure diagram of the present utility model.
In figure, 1. go up steel box arch rib, 2. descend steel box arch rib, 3. cable wire, 4. bridge superstructure, 5. concrete arch springing.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The utility model is a kind of intersects the structure of steel lagging jack drag-line civic landscape bridge, as shown in Figure 1, comprise: the upper steel box arch rib 1 of right-angled intersection welding and lower steel box arch rib 2, upper steel box arch rib 1 is connected with cable wire 3 respectively with lower steel box arch rib 2 lower end, and cable wire 3 lower end is connected with bridge superstructure 4 (i.e. girder).Upper steel box arch rib 1 and lower steel box arch rib 2 lower end anchor into concrete arch springing 5.Concrete arch springing 5 is seated on riverbed basement rock.
Bridge superstructure 4 is single case three Room straight web concrete case beam.Full-bridge girder uprises, center deck-molding 2.0m ~ 4.0m, if two-way 2% horizontal wall inscription (identical with linking road); Box section height is 2 ~ 4m; Web thickness is 40 ~ 60cm; Top plate thickness is 25cm, and base plate thickness is 28cm; Choosing brachium is 2.5m, and choosing arm thickness is 15 ~ 45cm.Adopt C50 level concrete, longitudinal prestressing system.
Longitudinal prestressing Strands Layout is in web, and adopt 18-Φ S15.2 steel strand, steel strand adopt plastic film capicitor drilling, the anchoring of group's anchor ground tackle, adopt two ends stretch-draw.Single case three Room straight web concrete case beam arranges crossbeam at each Dun Dunding, 0, No. 3 thick 3.0m of Abutment crossbeam, and 1, No. 2 thick 2.0m of pier place crossbeam, arranges diaphragm, wide 2m, thick 25cm, end height 100 ~ 200cm in two positions, guy anchor solid point.
Upper steel box arch rib 1 and lower steel box arch rib 2 construct: main bridge arch rib take height as moulding, arranged crosswise, and arch rib line style is the spline curve of variable cross-section.Upper and lower arch rib all adopts weldable steel box structure, and for uprising, broadening inverted trapezoidal cross section, steel adopt Q345.
Upper steel box arch rib 1 overall height 45.381m, arch rib section height 1.8m ~ 2.94m (not comprising decorative panel), wide 2.5m ~ 4.353m, be divided into anchoring section, common section two parts, wherein anchoring section and be 18mm to the 10m that vault direction is adjacent common section arch rib exterior panel thickness, other common section exterior panel thickness is 16mm, and stiffening rib all adopts the board-like stiffening rib of 160x12mm; Decorative steel plate thickness is 8mm.This place's diaphragm thickness is 12mm, and spacing is being 2.5m near anchoring section, and concentrate on 3m at drag-line section, interlude mostly is 4m.Cable wire 3 passes from arch rib base plate center, and be connected on Φ 60mm round steel by draw ring, round steel is then through two block weldings on the dividing plate of arch rib base plate, two ends nut anchoring.
Lower steel box arch rib overall height 40.187m, arch rib section height 1.8m ~ 3.003m, wide 2.5m ~ 4.455m, be divided into anchoring section, common section two parts, wherein anchoring section and be 18mm to the 10m that vault direction is adjacent common section arch rib exterior panel thickness, other common section exterior panel thickness is 16mm, and stiffening rib all adopts the board-like stiffening rib of 160x12mm; Decorative steel plate thickness is 8mm.Be 12mm every transverse slat thickness, spacing is being 2.5m near anchoring section, and concentrate on 3m at drag-line section, interlude mostly is 4m.Drag-line passes from arch rib base plate center, and be connected on Φ 60mm round steel by special draw ring, round steel is then through two block weldings on the dividing plate of arch rib base plate, two ends nut anchoring.
Upper steel box arch rib 1 and the anchoring of lower steel box arch rib 2: arch rib root is welded with the thick anchor slab for 18mm, anchor slab rises up in basis, be covered with the WELDING STUDS of Φ 19x100mm at anchoring section arch rib surrounding external surface, spacing controls at about 400mm, steel plate borehole between WELDING STUDS to wearing reinforcing bar.
The following arch rib of concrete arch springing 5:1.795m absolute altitude replaces with concrete arch springing, in profile with the arch rib of steel box structure along connecing.Arch springing and cushion cap consolidation are ordinary reinforced concrete structure.
Cable wire 3: cable wire adopts the two ends of customization to be furnished with the OVM.GJ15-3 steel strand integral bundle extrusion pressing type of anchor head, and external diameter is 50mm, and Fracture Force is 782kN.On drag-line, anchor head is connected with round steel on arch rib by special sleeve, and lower anchor head is stretching end, and be connected with through the round steel be embedded on channel-section steel that to choose outside bridge superstructure (girder) 4 on crossbeam by ring bar, the nut on dead ring bar carries out stretch-draw.
Claims (4)
1. an intersection steel lagging jack drag-line civic landscape bridge, it is characterized in that, comprise upper steel box arch rib (1) and the lower steel box arch rib (2) of right-angled intersection setting, upper steel box arch rib (1) is connected with cable wire (3) respectively with lower steel box arch rib (2) lower end, cable wire (3) lower end is connected with bridge superstructure (4), upper steel box arch rib (1) and lower steel box arch rib (2) lower end anchor into concrete arch springing (5), and concrete arch springing (5) is seated on riverbed basement rock.
2. one intersection steel lagging jack drag-line civic landscape bridge according to claim 1, it is characterized in that, bridge superstructure (4) is single case three Room straight web concrete case beam, arranges two-way 2% degree of horizontal wall inscription; Box section height is 2 ~ 4m; Web thickness is 40 ~ 60cm; Top plate thickness is 25cm, and base plate thickness is 28cm; Choosing brachium is 2.5m, and choosing arm thickness is 15 ~ 45cm, and longitudinal prestressing Strands Layout, in web, adopts steel strand, and steel strand adopt plastic film capicitor drilling, the anchoring of group's anchor ground tackle, two ends stretch-draw.
3. one intersection steel lagging jack drag-line civic landscape bridge according to claim 1, it is characterized in that, the arch rib line style of described upper steel box arch rib (1) and lower steel box arch rib (2) is the spline curve of variable cross-section, adopt weldable steel box structure, for uprising, broadening inverted trapezoidal cross section.
4. one intersection steel lagging jack drag-line civic landscape bridge according to claim 1, it is characterized in that, the arch rib root of described upper steel box arch rib (1) and lower steel box arch rib (2) is welded with the thick anchor slab for 18mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520146671.9U CN204530429U (en) | 2015-03-15 | 2015-03-15 | A kind of steel lagging jack drag-line civic landscape bridge that intersects |
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| CN201520146671.9U CN204530429U (en) | 2015-03-15 | 2015-03-15 | A kind of steel lagging jack drag-line civic landscape bridge that intersects |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747725A (en) * | 2019-10-25 | 2020-02-04 | 中铁大桥勘测设计院集团有限公司 | Plane self-balancing inclined-span arch structure system and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747725A (en) * | 2019-10-25 | 2020-02-04 | 中铁大桥勘测设计院集团有限公司 | Plane self-balancing inclined-span arch structure system and construction method thereof |
| CN110747725B (en) * | 2019-10-25 | 2021-01-15 | 中铁大桥勘测设计院集团有限公司 | Plane self-balancing inclined-span arch structure system and construction method thereof |
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