CN215405533U - Canyon pedestrian landscape suspension bridge with carbon fiber space cable net - Google Patents
Canyon pedestrian landscape suspension bridge with carbon fiber space cable net Download PDFInfo
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Abstract
The utility model provides a canyon pedestrian landscape suspension bridge with a carbon fiber space cable net, which is additionally provided with a hyperbolic paraboloid cable net system consisting of hyperbolic paraboloid carbon fiber space cables, steel structure curved beams and carbon fiber inclined slings on the basis of the traditional parallel steel wire cable system pedestrian landscape suspension bridge. The canyon pedestrian landscape suspension bridge with the carbon fiber space cable net adopts an egg-shaped arch bridge tower which consists of a parabolic segment tower top and a left elliptic arc segment tower column and a right elliptic arc segment tower column, the egg-shaped arch bridge tower is matched with the canyon mountain peak and the suspension cable curve in a harmonious manner, and the humanistic connotation of a scenic spot can be promoted. The parallel steel wire cables, the hyperbolic paraboloid carbon fiber space cables and the lower wind-resistant cables are mixed for use and work cooperatively, the advantages are complementary, the parallel steel wire cables bear vertical loads, and the hyperbolic paraboloid carbon fiber space cables and the lower wind-resistant cables work jointly, so that the torsional rigidity and the lateral rigidity can be improved, and the wind-resistant stability can be greatly improved.
Description
Technical Field
The utility model belongs to the field of civil engineering, relates to a construction technology of a pedestrian suspension bridge, and particularly relates to a canyon pedestrian landscape suspension bridge with carbon fiber space cable nets.
Background
With the rise of tourism, the number of the suspension bridges in the gorge scenic area is increasing, and the air features of the suspension bridges in the gorge scenic area enrich the cultural connotation of the gorge scenic area and become a bright scenery in the tourism area.
The suspension bridge structure can give full play to the characteristic that high-strength cables are high in tensile strength, the problem of vertical bearing capacity of the oversized span canyon pedestrian suspension bridge is not great, however, the canyon scenic region pedestrian suspension bridge is generally an oversized span narrow bridge deck suspension bridge with a very large length-width ratio, and the problem of wind resistance stability is obvious day by day along with the increase of span of the canyon scenic region pedestrian suspension bridge.
Most of the existing canyon scenic spot pedestrian landscape suspension bridges are designed according to the traditional design concept of super-large-span highway suspension bridges, the canyon scenic spot pedestrian landscape suspension bridges are not designed, pedestrian suspension bridge pylons are still of the traditional highway suspension bridge portal type pylon structure, and the aesthetic effect is not ideal.
Aiming at two problems of wind resistance stability and aesthetic property of an ultra-large span pedestrian suspension bridge in a canyon scenic region, which need to be solved urgently, the traditional pedestrian suspension bridge structure is reformed, an egg arch bridge tower is adopted to replace a portal bridge tower structure, the egg arch bridge tower consists of an upper parabola and a left and right elliptic arcs, the shape is beautiful, and the landscape grade of the pedestrian suspension bridge can be improved; the cable structure of the pedestrian landscape suspension bridge in the traditional valley scenic spot is reformed, a carbon fiber hyperbolic paraboloid space cable is added, the carbon fiber hyperbolic paraboloid space cable is hung on a parabolic segment arch ring of an egg-shaped arch bridge tower, the parallel steel wire cable, the carbon fiber hyperbolic paraboloid space cable and a lower wind-resistant cable are mixed for use, the advantages are complementary, the cooperative work is realized, and the wind-resistant stability of the pedestrian suspension bridge structure can be improved.
SUMMERY OF THE UTILITY MODEL
The technical problem is as follows: the utility model provides the canyon scenic spot pedestrian suspension bridge with the carbon fiber space cable net, which is beautiful in shape, simple in structure, convenient to construct, large in spanning capability and good in wind resistance stability. The traditional pedestrian suspension bridge structure is reformed, the egg-shaped arch bridge tower is adopted to replace a door type bridge tower structure, and the narrow-width bridge deck pedestrian suspension bridge of the super-large span space cable net system is built by adopting a mixed cable of a parallel steel wire cable, a hyperbolic paraboloid carbon fiber space cable and a lower wind-resistant cable.
The technical scheme is as follows: the utility model discloses a canyon pedestrian landscape suspension bridge with carbon fiber space cable nets, which comprises an egg-shaped arch bridge tower, a parallel steel wire cable system, a hyperbolic paraboloid cable net system, a wind-resistant cable system and a cirrus sunshade roof, and is characterized in that: the egg-shaped arch-shaped bridge tower consists of a parabolic segment tower top and a left elliptic arc segment tower column and a right elliptic arc segment tower column; the parallel steel wire cable system consists of parallel steel wire cables, a suspension bridge back cable and vertical slings, the parallel steel wire cables are anchored between two egg-shaped arch bridge towers, one end of the suspension bridge back cable is anchored on the egg-shaped arch bridge towers, the other end of the suspension bridge back cable is anchored in anchors, one end of the vertical slings is anchored in the parallel steel wire cables, the other end of the vertical slings suspends in a bridge deck system, the bridge deck system consists of bridge deck system stiffening beam lattices and a glass bridge deck panel, and the glass bridge deck panel is embedded in the bridge deck system stiffening beam lattices; the hyperbolic paraboloid cable net system consists of a carbon fiber hyperbolic paraboloid cable net, a steel structure curved beam and a carbon fiber cable-stayed sling, wherein the carbon fiber hyperbolic paraboloid cable net is a space cable net formed by the sag of the hyperbolic paraboloid space cable net, the carbon fiber hyperbolic paraboloid cable net covers two strands of parallel steel wire cables, the carbon fiber hyperbolic paraboloid cable net is anchored on the top of a parabolic segment tower of the egg-shaped arch bridge tower, a plurality of steel structure curved beams are placed on the carbon fiber hyperbolic paraboloid cable net, the parallel steel wire cables and the carbon fiber hyperbolic paraboloid cable net are firmly connected with the steel structure curved beams by adopting a clamp, one end of the carbon fiber cable-stayed sling is anchored at the tail part of the steel structure curved beam, and the other end of the carbon fiber cable-stayed sling is obliquely suspended on the bridge deck system; the wind-resistant cable system consists of a wind-resistant cable and a connecting pull rod, the wind-resistant cable is anchored in the valley mountain bodies at two ends, one end of the connecting pull rod is anchored in the wind-resistant cable, and the other end of the connecting pull rod is connected to the bridge deck system; and paving a stainless steel wire net on the carbon fiber hyperbolic paraboloid cable net, and planting the vine grass to form the vine grass sunshade roof.
The steel pipe structure center curve of the egg arch bridge tower is an egg-shaped curve, and the drawing method of the egg-shaped curve comprises the following steps:
the first step is as follows: firstly, determining span and rise values of a parabolic segment tower top according to a carbon fiber hyperbolic paraboloid cable net, and determining a steel pipe structure central curve of the parabolic segment tower top;
the second step is that: determining the tangential direction and the normal direction of the tail end point of the parabolic curve, taking the tail end point of the parabolic curve and the other point selected on the normal thereof as the major axis numerical value of the elliptic arc line, dynamically changing the minor axis numerical value of the ellipse, and selecting a reasonable elliptic arc line segment as the central curve of the steel pipe structure of the elliptic arc line segment tower column;
the third step: the top parabolic curve and the left and right elliptic curves form a continuous smooth egg-shaped curve, and the egg-shaped arch bridge tower is beautiful in appearance.
The utility model discloses a method for constructing a canyon pedestrian landscape suspension bridge with a carbon fiber space cable net, which is characterized by comprising the following steps of:
the first step is as follows: according to geological topography and landform conditions of a gorge scenic area, selecting a bridge site of the oversized pedestrian-crossing landscape suspension bridge, constructing a bridge foundation, processing a steel pipe by a bending process, welding and assembling a parabolic segment tower top and an elliptic arc segment tower column, pouring concrete in the pipe to form an egg-shaped arch bridge tower, and meanwhile, constructing an anchor;
the second step is that: drawing a left parallel steel wire cable rope and a right parallel steel wire cable rope to be hung between two oval arch-shaped bridge towers, anchoring a back cable of the suspension bridge in an anchorage foundation, installing a vertical sling, and hoisting a stiffening beam lattice of a bridge deck system to form a parallel steel wire cable rope system;
the third step: according to a hyperbolic paraboloid equation, a plurality of carbon fiber cables are arranged in a spatial cross mode to form a carbon fiber hyperbolic paraboloid cable net, the drooping carbon fiber hyperbolic paraboloid cable net is used as a spatial cable of the pedestrian suspension bridge, the carbon fiber hyperbolic paraboloid cable net covers two parallel steel wire cables, and the carbon fiber hyperbolic paraboloid cable net is anchored in the top of a parabolic segment tower of the egg arched bridge tower;
the fourth step: installing a parabolic steel structure curved beam, adopting a clamp to firmly connect a carbon fiber hyperbolic paraboloid cable net with the steel structure curved beam, firmly connecting the upper end of a carbon fiber diagonal sling with the end part of the steel structure curved beam, and fixedly connecting the lower end of the carbon fiber diagonal sling with a hoisting bridge deck system stiffening beam grid to form a hyperbolic paraboloid cable net system;
the fifth step: constructing a foundation of the wind-resistant cable in the canyon, wherein one end of the connecting pull rod is anchored to the wind-resistant cable, and the other end of the connecting pull rod is connected with the bridge deck system stiffening beam lattice to form a wind-resistant cable system;
and a sixth step: the method comprises the steps of embedding a glass bridge deck in a bridge deck stiffening girder lattice, perfecting the bridge deck, paving a stainless steel wire mesh on a carbon fiber hyperbolic paraboloid cable net, planting vine grass to form a vine grass sunshade top, installing a railing and a street lamp, and constructing the long-span landscape suspension bridge of 500-600 m.
The egg-shaped arched bridge tower is attractive in shape, the carbon fiber hyperbolic paraboloid space cable is hung on the top parabolic segment of the egg-shaped arched bridge tower, the parallel steel wire cable, the carbon fiber hyperbolic paraboloid space cable and the lower wind-resistant cable work in a cooperative mode, vine grass is planted at the top of the carbon fiber hyperbolic paraboloid space cable net, sunlight is shielded, and the ecological environment is protected.
Has the advantages that: compared with the prior art, the utility model has the following advantages:
with the rise of the tourism industry of the gorge scenic spot, in order to make the tourism traffic of the gorge scenic spot more convenient, the number of the pedestrian suspension bridges in the gorge scenic spot is increased day by day, and the landscape aesthetic requirements of the pedestrian suspension bridges in the gorge scenic spot are higher and higher.
The pedestrian suspension bridge belongs to the category of flexible suspension bridges, the length-width ratio of the pedestrian suspension bridge is larger and larger along with the continuous increase of the span of the pedestrian suspension bridge in a canyon scenic region, the torsional rigidity and the lateral rigidity of the narrow-deck pedestrian landscape suspension bridge in the canyon scenic region with the super-large span are insufficient, and the problem of wind resistance stability and stability of the pedestrian suspension bridge is increasingly emphasized.
Aiming at the overlarge span pedestrian landscape suspension bridge in the gorge scenic area, the traditional pedestrian landscape suspension bridge structure is reformed, and two technical improvement measures are provided: the egg arch bridge tower is adopted to replace a door type bridge tower structure, so that the landscape aesthetic property is improved; the space cable of the carbon fiber hyperbolic paraboloid is added, and the wind resistance stability is improved.
The steel tube concrete oval arch-shaped bridge tower is composed of a parabolic segment tower top and a left oval arc segment tower column and a right oval arc segment tower column, the parabolic segment tower top is tangent and smoothly connected with two curves of the oval arc segment tower columns, the oval arch-shaped bridge tower is excellent in stress performance, the oval arch-shaped bridge tower has a good visual effect and a beautiful appearance curve, is very harmonious with surrounding mountain peaks and valley environments, and the pedestrian landscape suspension bridge of the oval arch-shaped bridge tower is beautiful in shape.
The hyperbolic paraboloid carbon fiber space cable is formed by utilizing the straight grain property of the hyperbolic paraboloid, the hyperbolic paraboloid carbon fiber space cable covers the left parallel steel wire cable and the right parallel steel wire cable, the hyperbolic paraboloid carbon fiber space cable is suspended on a parabolic segment arch ring of the egg-shaped arch bridge tower, the egg-shaped arch bridge tower and the hyperbolic paraboloid carbon fiber space cable are matched and coordinated, the conception is ingenious, and the structure selection is reasonable.
The parallel steel wire cables bear vertical loads, the hyperbolic paraboloid carbon fiber space cables and the lower wind-resistant cables work together, torsional rigidity and lateral rigidity can be improved, and wind resistance stability can be greatly improved.
The traditional gorge scenic region super-large span pedestrian landscape suspension bridge is only provided with the left and right lower wind-resistant cables, when the narrow-width bridge deck pedestrian landscape suspension bridge is excited by wind to vibrate the bridge deck in a torsional mode, the left and right flexible wind-resistant cables are tensioned by one group and loosened by one group, so that the torsion resistance frequency of the super-large span narrow-width bridge deck pedestrian landscape suspension bridge is improved by the wind-resistant cables, the problem of wind resistance stability of the super-large span pedestrian suspension bridge in the gorge scenic region is prominent, and the bottleneck phenomenon of the span development of the valley scenic region pedestrian landscape suspension bridge is caused.
On the basis of arranging lower wind-resistant cables on a large-span pedestrian suspension bridge in a gorge scenic area, in order to improve the wind-resistant stability of the large-span pedestrian suspension bridge in the gorge scenic area, a technical measure for additionally arranging hyperbolic paraboloid carbon fiber space cables is provided, the hyperbolic paraboloid carbon fiber space cables and traditional lower wind-resistant cables form an upper wind-resistant cable system and a lower wind-resistant cable system, the two groups of flexible wind-resistant cable systems are mixed for use, the advantages are complementary and work in a cooperative mode, the hyperbolic paraboloid space cables hang a stiffening beam of a bridge deck system of the suspension bridge on the upper surface, the traditional wind-resistant cables drag the bridge deck system of the suspension bridge on the lower surface, and the stiffening beams of the bridge deck system are tightly dragged by the wind-resistant cable systems in the upper direction, the lower direction, the left direction and the right direction, the method can ensure that the stiffening girder of the suspension bridge deck system does not have loose weak links any more, can greatly improve the structural rigidity of the space cable of the large-span pedestrian suspension bridge in the gorge scenic area, and fundamentally solves the problem of wind resistance stability of the narrow-deck pedestrian landscape suspension bridge in the gorge scenic area with the ultra-large span.
According to the design concept of the ecological landscape bridge, stainless steel wire meshes are laid on the hyperbolic paraboloid carbon fiber space cables, vine plants are planted, sunlight is shielded, the landscape effect is improved, the landscape grade of the pedestrian suspension bridge is greatly improved, and the humanistic connotation of scenic spots is enriched.
The egg-shaped arch bridge tower is adopted to replace a portal bridge tower structure, the egg-shaped arch bridge tower is very harmonious with the surrounding valley and mountain peak environment, construction is convenient, modeling is beautiful, and the landscape grade of the pedestrian suspension bridge can be improved.
The mixed cable of the parallel steel wire cable, the carbon fiber hyperbolic paraboloid space cable and the lower wind-resistant cable is adopted to work cooperatively, wherein the parallel steel wire cable bears vertical load, and the carbon fiber hyperbolic paraboloid space cable and the lower wind-resistant cable work jointly, so that the torsional rigidity of the oversized pedestrian-crossing landscape suspension bridge in the canyon scenic region is improved, and the wind-resistant stability of the oversized pedestrian-crossing landscape suspension bridge in the canyon scenic region can be greatly improved.
The double-parabolic carbon fiber space cable-free egg-shaped arched bridge tower has the advantages of beautiful shape, simple structure, convenience in construction, high spanning capability, high wind resistance stability and the like, can fundamentally solve the problem of wind resistance stability of the extra-large valley-crossing scenic region pedestrian landscape suspension bridge, and can build the extra-large valley-crossing scenic region pedestrian landscape suspension bridge of 500-600 m.
Drawings
Figure 1 is a three-dimensional schematic view of a canyon landscape suspension bridge with carbon fiber space cable mesh;
FIG. 2 is a partial three-dimensional view of FIG. 1 at the standoff;
FIG. 3 is a schematic view of the geometry of an oval arch-shaped pylon;
FIG. 4 is a schematic illustration of the anchoring basis;
fig. 5 is a geometrical configuration diagram of a hyperbolic paraboloid space cord net.
The figure shows that: an egg arch bridge tower 1; a parabolic segment tower top 11; an elliptical arc segment tower 12; a parallel wire cable system 2; a parallel wire cable 21, a suspension bridge back cable 22; a vertical sling 23; an anchorage 3; a bridge deck system 4; a bridge deck-based stiffening beam lattice 41; a glass bridge deck 42; a hyperbolic paraboloid cable net system 5; a carbon fiber hyperbolic paraboloid cable net 51 and a steel structure curved beam 52; carbon fiber diagonal slings 53; a wind resistant cable system 6; a wind-resistant cable 61; a connecting pull rod 62; vine grass sunshade top 7.
Detailed Description
The present invention will be further specifically described with reference to the accompanying drawings.
Example 1:
the utility model discloses a canyon pedestrian landscape suspension bridge with a carbon fiber space cable net, which comprises an egg-shaped arch bridge tower 1, a parallel steel wire cable rope system 2, an anchorage 3, a bridge deck system 4, a hyperbolic paraboloid cable net system 5, a wind-resistant cable rope system 6 and a vine grass sunshade roof 7, and is characterized in that: the egg-shaped arch-shaped bridge tower 1 consists of a parabolic segment tower top 11 and a left elliptic arc segment tower column and a right elliptic arc segment tower column 12; the parallel steel wire cable system 2 consists of a parallel steel wire cable 21, a suspension bridge back cable 22 and a vertical sling 23, the parallel steel wire cable 21 is anchored between two egg-shaped arch bridge towers 1, one end of the suspension bridge back cable 22 is anchored on the egg-shaped arch bridge towers 1, the other end of the suspension bridge back cable is anchored in an anchorage 3, one end of the vertical sling 23 is anchored on the parallel steel wire cable 21, the other end of the suspension bridge back cable suspends a bridge deck system 4, the bridge deck system 4 consists of a bridge deck system stiffening beam lattice 41 and a glass bridge deck panel 42, and the glass bridge deck panel 42 is embedded in the bridge deck system stiffening beam lattice 41; the hyperbolic paraboloid cable net system 5 is composed of a carbon fiber hyperbolic paraboloid cable net 51, a steel structure curved beam 52 and a carbon fiber cable-stayed sling 53, the carbon fiber hyperbolic paraboloid cable net 51 is a space cable net formed by the sagging of the hyperbolic paraboloid space cable net, the carbon fiber hyperbolic paraboloid cable net 51 covers the two strands of parallel steel wire cables 21, the carbon fiber hyperbolic paraboloid cable net 51 is anchored on the top 11 of the parabolic segment tower of the egg arched bridge tower 1, the plurality of steel structure curved beams 52 are placed on the carbon fiber hyperbolic paraboloid cable net 51, the parallel steel wire cables 21 and the carbon fiber hyperbolic paraboloid cable net 51 are firmly connected with the steel structure curved beam 52 by a clamp, one end of the carbon fiber cable-stayed sling 53 is anchored on the tail of the steel structure curved beam 52, and the other end of the carbon fiber cable-stayed sling 4 is obliquely suspended; the wind-resistant cable system 6 consists of a wind-resistant cable 61 and a connecting pull rod 62, the wind-resistant cable 61 is anchored in the valley mountain bodies at two ends, one end of the connecting pull rod 62 is anchored in the wind-resistant cable 61, and the other end is connected to the bridge deck system 4; and (3) paving a stainless steel wire net on the carbon fiber hyperbolic paraboloid cable net 51, and planting the vine grass to form the vine grass sunshade roof 7.
The steel pipe structure center curve of the egg-shaped arch bridge tower 1 is an egg-shaped curve, and the drawing method of the egg-shaped curve comprises the following steps:
the first step is as follows: firstly, determining the span and rise values of the parabolic segment tower top 11 according to the carbon fiber hyperbolic paraboloid cable net 51, and determining the steel pipe structure central curve of the parabolic segment tower top 11;
the second step is that: determining the tangential direction and the normal direction of the tail end point of the parabolic curve, taking the tail end point of the parabolic curve and another point selected on the normal thereof as the major axis numerical value of the elliptic arc line, dynamically changing the minor axis numerical value of the ellipse, and selecting a reasonable elliptic arc line segment as the central curve of the steel pipe structure of the elliptic arc line segment tower column 12;
the third step: the top parabolic curve and the left and right elliptic curves form a continuous smooth egg-shaped curve, and the egg-shaped arched bridge tower 1 has beautiful appearance.
Example 2:
the utility model relates to a method for constructing a canyon pedestrian landscape suspension bridge with a carbon fiber space cable net, which comprises the following steps of:
the first step is as follows: according to geological topography and landform conditions of a gorge scenic area, selecting a bridge site of the oversized pedestrian-crossing landscape suspension bridge, constructing a bridge foundation, bending and processing a steel pipe, welding and assembling a parabolic segment tower top 11 and an elliptic arc segment tower column 12, pouring concrete in the pipe to form an egg-shaped arch bridge tower 1, and meanwhile, constructing an anchor 3;
the second step is that: drawing a left parallel steel wire cable 21 and a right parallel steel wire cable 21 to be suspended between two egg-shaped arch bridge towers 1, anchoring a suspension bridge back cable 22 in the foundation of an anchor 3, installing a vertical sling 23, and hoisting a bridge deck system stiffening beam lattice 41 to form a parallel steel wire cable system 2;
the third step: according to a hyperbolic paraboloid equation, a plurality of carbon fiber cables are arranged in a spatial cross mode to form a carbon fiber hyperbolic paraboloid cable net 51, the drooping carbon fiber hyperbolic paraboloid cable net 51 serves as a spatial cable of the pedestrian suspension bridge, the carbon fiber hyperbolic paraboloid cable net 51 covers the two parallel steel wire cables 21, and the carbon fiber hyperbolic paraboloid cable net 51 is anchored in a parabolic segment tower top 11 of the egg arched bridge tower 1;
the fourth step: installing a parabolic steel structure curved beam 52, adopting a clamp to firmly connect a carbon fiber hyperbolic paraboloid cable net 51 with the steel structure curved beam 52, firmly connecting the upper end of a carbon fiber diagonal sling 53 with the end part of the steel structure curved beam 52, and fixedly connecting the lower end of the carbon fiber diagonal sling 53 with a hoisting bridge deck system stiffening beam grid 41 to form a hyperbolic paraboloid cable net system 5;
the fifth step: in the canyon, constructing a foundation of the wind-resistant cable 61, wherein one end of the connecting pull rod 62 is anchored to the wind-resistant cable 61, and the other end of the connecting pull rod is connected with the bridge deck system stiffening beam lattice 41 to form a wind-resistant cable system 6;
and a sixth step: the glass bridge deck 42 is embedded in the bridge deck stiffening girder lattices 41 to form a bridge deck system 4, a stainless steel wire mesh is laid on the carbon fiber hyperbolic paraboloid cable net 51, vine grass is planted to form a vine grass sunshade roof 7, railings and street lamps are installed, and the 500-600 m canyon scenic spot ultra-large pedestrian landscape suspension bridge is built.
Example 3:
the main span of the oversized span pedestrian landscape suspension bridge in a certain canyon scenic region is 600m, the full width of the bridge floor is 6m, and in order to meet the requirements of the landscape aesthetics and the wind resistance stability of the canyon scenic region, the technical scheme of the canyon pedestrian landscape suspension bridge with the carbon fiber space cable net is adopted.
The egg-shaped arch-shaped bridge tower is composed of a parabolic segment tower top and a left elliptic arc segment tower column and a right elliptic arc segment tower column, the highest position of the bridge tower is 68 meters, the widest position of the bridge tower is 50 meters, the width of the parabolic segment tower top is 40 meters, the rise height is 8 meters, the height of the elliptic arc segment tower column is 60 meters, the egg-shaped arch-shaped bridge tower adopts a circular steel pipe with the diameter of 4 meters, the wall thickness of the steel pipe is 20mm, C50 concrete is poured in the steel pipe, and the egg-shaped arch-shaped bridge tower adopts a pile foundation.
The space cable system comprises parallel steel wire cables and carbon fiber hyperbolic paraboloid cable nets, the parallel steel wire cables are two high-strength steel wire cables with the diameter of 0.6m, the distance is 6m, the parallel steel wire cables adopt a process of a prefabricated parallel strand method (PPWS method), 2000MPa high-strength steel wires with the diameter of 5.2mm are adopted, the distance between vertical steel wire suspenders is 8 m, and 2 x 72 suspenders are counted.
The hyperbolic paraboloid cable net adopts 3500MPa high-strength carbon fiber cables, a full bridge comprises 12 carbon fiber hyperbolic paraboloid space cables, and the diameter of each main cable is 0.1 m. The steel structure curved beam with the lower pull rod is arranged on the hyperbolic paraboloid cable net and the two strands of parallel steel wire cables, the steel structure curved beam interval is 24, the steel structure curved beams are 24 in total, the two ends of the steel structure curved beams are provided with oblique carbon fiber suspenders which are connected with stiffening beams, the oblique carbon fiber suspenders are 24 meters in interval, and the oblique carbon fiber suspenders are 2 multiplied by 24 oblique suspenders in total. The wind-resistant main cable is a left high-strength steel wire cable and a right high-strength steel wire cable with the diameter of 0.2m, the distance between connecting pull rods is 8 m, and the total number of the connecting pull rods is 2 multiplied by 72.
The bridge floor stiffening girder adopts girder steel check structure, and the girder steel height is 600mm, and the girder steel width is 300mm, and 150 transparent toughened glass is embedded in among the girder steel check structure, and the bridge floor stiffening girder is crossing the department and sets up a sightseeing ring, and the ring internal diameter is 14 meters, and the ring external diameter is 20 meters.
And a stainless steel wire mesh is laid on the hyperbolic paraboloid cable net, blue and white porcelain vase is placed on the stiffening beam of the bridge deck system at an interval of 24 meters, and vine grass are planted to form a vine and vine grass sunshade top, so that the landscape effect is improved.
The installation metal railing hangs the safety net, installs the LED color lamp, builds bridge tower view platform, forms long-span pedestrian narrow deck suspension bridge, uses.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (1)
1. The utility model provides a canyon pedestrian landscape suspension bridge with carbon fiber space cable net, includes ovum egg arch shaped bridge tower (1), parallel steel wire cable system (2), hyperbolic paraboloid cable net system (5) and wind-resistant cable system (6), characterized in that: the egg-shaped arch-shaped bridge tower (1) consists of a parabolic segment tower top (11) and a left elliptic arc segment tower column (12) and a right elliptic arc segment tower column (12); the parallel steel wire cable system (2) consists of parallel steel wire cables (21), a suspension bridge back cable (22) and vertical slings (23), the parallel steel wire cables (21) are anchored between two egg-shaped bridge towers (1), one end of the suspension bridge back cable (22) is anchored on the egg-shaped bridge towers (1), the other end of the suspension bridge back cable is anchored in an anchor (3), one end of each vertical sling (23) is anchored in the parallel steel wire cables (21), the other end of each vertical sling (4) suspends a bridge deck system (4), the bridge deck system (4) consists of bridge deck system stiffening beam lattices (41) and glass bridge deck panels (42), and the glass bridge deck panels (42) are embedded in the bridge deck system stiffening beam lattices (41); the hyperbolic paraboloid cable net system (5) is composed of carbon fiber hyperbolic paraboloid cable nets (51), the cable bridge comprises a steel structure curved beam (52) and carbon fiber cable-stayed slings (53), wherein a carbon fiber hyperbolic paraboloid cable net (51) is a space cable net formed by the sagging of the hyperbolic paraboloid space cable net, the carbon fiber hyperbolic paraboloid cable net (51) covers two strands of parallel steel wire cables (21), the carbon fiber hyperbolic paraboloid cable net (51) is anchored on a parabolic segment tower top (11) of an egg arched bridge tower (1), a plurality of steel structure curved beams (52) are placed on the carbon fiber hyperbolic paraboloid cable net (51), the parallel steel wires (21) and the carbon fiber hyperbolic paraboloid cable net (51) are firmly connected with the steel structure curved beam (52) by adopting a clamp, one end of each carbon fiber cable-stayed sling (53) is anchored on the tail of the steel structure curved beam (52), and the other end of each carbon fiber cable-stayed sling (53) is obliquely hung on a bridge deck (4); the wind-resistant cable system (6) consists of wind-resistant cables (61) and connecting pull rods (62), the wind-resistant cables (61) are anchored in canyon mountain bodies at two ends, one end of each connecting pull rod (62) is anchored in each wind-resistant cable (61), and the other end of each connecting pull rod is connected to the bridge deck system (4); and (3) paving a stainless steel wire net on the carbon fiber hyperbolic paraboloid cable net (51), and planting vine grass to form a vine grass sunshade top (7).
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| CN202121279646.XU CN215405533U (en) | 2021-06-09 | 2021-06-09 | Canyon pedestrian landscape suspension bridge with carbon fiber space cable net |
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| CN202121279646.XU CN215405533U (en) | 2021-06-09 | 2021-06-09 | Canyon pedestrian landscape suspension bridge with carbon fiber space cable net |
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