HU227770B1 - Cable-stayed bridge - Google Patents

Abstract

BACKGROUND OF THE INVENTION The present invention provides a slanted cable suspension bridge having at least one main support point (P) and at least one pillar (1) supported by an attacking force at the support point (P), and a pillar (1) for the pillar (1). at least one tensioning point (A1) with a suspension cable (F1) is suspended from the bridge track (3) so that the end (V) of the suspension cable (F1) is fixed to the bridge track (H) and the first end (3a) of the bridge track (H) and the second end (3b) and further floating pillars (2,3 ... n) on the bridge track (H) and the tension point (A2, A3) of each floating pillar (2,3 ... n). ..An) there are at least two oblique hanging cables (F2, F3 ... Fn) fixed to the bridge track (3), and the base of each floating pillar (2,3 ... n) (C2, C3 ... Cn) and a tension point (A1, A2, A3 ... An) of at least one other pillar (1,2 ... n) is connected by an oblique hanging cable (F1, F2, F3 ... Fn). F, ./

Description

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U.S. Patent No. 5,850,652. A patent for the construction of a suspension bridge, wherein extending the span length is also complex

the amount of cable required is one that is rigid and combined with a suspension bridge, but the length that can be crossed is less than twice that of a single bridge.

EP 1,767,699. patent is somewhat similar to the foregoing, with the suspension bridge and the prior art thereto

Considerable killing of the bridge is due to the fact that the pi is divided, suspended, while it is not possible to solve the significant specific increase in the length of the bridge too. There is a tremendous amount of compressive force in the bridge, the most costly part of the bridge is foundation, how many deep bases (e.g.

branch arch bridge, or e

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ISI is preferably two or more support matures that are best spiked, so the cable forces do not have a horizontal cross-section bridge, ff received volumes inclination

traditional these forces are moving away from the pillar and bridge the:

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the height of the pillars, the increased vertical forces and the lateral

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its aft angle can be controlled with horizontal force.

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a support point and at least one load-bearing support, such as a pillar, supported by the attacking wires of the support, and having a support, e.g.

Fig. 5 is a part of a floating, tilt-cable suspension bridge according to the invention. It is a preferred embodiment of a floating, tilt-cable suspension bridge supported on two main pillars.

shows an optic, oblique-like embodiment according to the invention

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The bridging bridge has at least one main support point P, which is necessarily supported by at least one brace p of the at least one pillar 1 1 of p, supported by oblique brackets H1, f1, f2, f3, f4. The H-bridge has a first end 3a and a second end 3b, which are, for example, anchored on both sides of a river bed. Of course, the bridge of the invention is capable of overcoming other natural or artificial depressions instead of river beds. On the end side 3a of the pillar 1, one end of the suspension cables f1, 12, f3, f4 is for tension point A1 and the other end is the 1r range of the cooling track. The al;

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etiil is only 1 at the end of F1; pillar A1 tension! is connected to the H bridge. In the section toward H, Öwafefeá- is

12,13, (instead of 4 '7 hanging cables, floating pillars 2,3, ... n) are used which have tension points A2, A3 ... An fixed to the bridge post H by at least two oblique hanging cables F2, F3,., Fn. is dimensioned to withstand the weight of the bridge section H between pillar 1 and end 3b, but must be supported in the section between end V1 of the suspension cable F1 and end 3b to compensate for H (or <hinges for a given shear H <

pníer and its application, the 1 pillar A1, A12 ... A1n drooping, and H hk gzitett, getting longer, or around 2, ^ with A2 tension! is the end of F2 between ¥ 1 point and end 3b

is increased by ¥ 2 points or by having A3 tension? to end 3b F3

More 4, 5, ...... n floating

Between P and end 3b

Awakening in F1 _t F2.,. Fn suspension cables a

1,2,3 ... n pillars}, which increases by ¥ 1 point, and each Vn points and Vn * 1

2,3 ... n while growing (but P is only the gap between the H bridges)

However, it should be noted that the horizontal components of the cable forces, which use the largest cross-sectional bridge, the H-bridge, decrease with distance from pillar 1, unlike the traditional slanted bridge, where these forces grow away from the pillar. From the tension points A1, A2 .... An, the tension cables F1F2 ... F3 are also directed towards the opposite end 3a of the Hl path, to the bridge trough H1 to maintain the force balance! in the case of possibly over the end 3a, they are fixed on the shore.

In the embodiment shown in Fig. 1, the points ¥ 1, V2 ... Vn coincide with the corresponding soles 02, 03 ... Cn of each of the floating pillars 2,3 ... n, so that each point 02, 03 ... On soles and another

1.2 .. .n pillars are suitable for A1, A2, A3 ... An tension! are connected by at least one oblique main cable F1, F3, F3 ... Fn such that one end of the main cable F1, F2, F3 ... Fn is a lower tension A2, A3 ... An! 2 ... n pillars to the base point of 02, 03 ... Cn, and the other end to a higher tension point of 1.2 ... n pillars A1, A2, A3 ... An! is fixed. Of course, everything

1.2 ... n pillars, be it 2.3, ... n floating pillars or supported 1 pillar, more strain! point. In this description, “higher tension A1, A2, A3 ... An! n points means 1,2 ... 0 pillars with the highest or main tension A1, A2, A3 ... An! points above the 3 bridge tracks are higher than another, "lower A2, A3 ... An tension point 2 ... n pillars highest or main A2, A3 ... An tension! point.

The arrangement shown in Fig. 1 thus makes it possible not to suspend a given point of the H-path directly from a pillar 1 firmly supported at a support point P. For example, H lane O

its arrangement on either side of the pillar 1, ie between point P and the ends 3a and 3b, may be symmetrical or different,

In the second embodiment of the tilted cable suspension bridge shown in Fig. 2, a plurality of tension points A12 _f A22, A32 ... An2 are provided on each of the columns 1,2,3 ... n. The figure shows that the main pillar of the pillar 1 is Al

ll is fixed to the transverse point C2 of the floating 2 pillars, while the other tension points of Al A12, A13 ... A18 are F12, F13,

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C2 is secured with a suspension cable. If required by the length of the bridge paths, 3 pillars floating in the base point C3 can also be set, whose main tension point A3 can be used to suspend an additional € 4 base points, etc. with the aid of a cable F31. Each pillar 1,2,3 ... n is balanced by the reverse tension, using the suspension cables fi, f21, f31 ..., fn1, so that each tension An! Two Fnm, fnm hanging cables are attached to point. The fnm suspension cables are fastened to the H wd path on the opposite sides of the 1,2,3. ,, n pillar fnm suspension cables.

A further preferred embodiment of the oblique cable suspension bridge according to the invention is shown in Figure 3. In this embodiment, the bridge path H is arranged symmetrically on both sides of the pillar 1 in the direction of the ends 3a, 3b. It can be seen that the suspension of the H-bridge requires a rail solution using the traditional single-pillar cable solution, but the length of the H-bridge can be significantly increased by using 2.3 auxiliary pillars in both directions.

A further symmetrical embodiment of the oblique cable suspension bridge according to the invention is shown in Figure 4. In this embodiment, the bridge path H is arranged symmetrically on both sides of the pillar 1 so that, relative to the embodiment shown in Figure 3, the length of the bridge path H is further increased by the use of additional floating columns 2,3,4, ... n.

Figure 5 shows an even longer symmetrical bridge structure according to the invention, where, with a single main pillar 1, the number of floating columns 2,3,4 ... n reaches thirty, resulting in a significant extension of the 1 H bridge path.

A further preferred embodiment of the oblique cable suspension bridge according to the invention is shown in Figure 6. In this embodiment, the floating pillars 2,4,6,8,9,1113,15 are C2, C4, C8, C8, C9, C11, C13, C1 5 clamps do not coincide with F3, F7, F1Ö, F14

V3, V7, V1Q, Y14, but in their vicinity are fixed to the H bridge. The term "in the vicinity is anchored to the H bridge" means that the V3, V7, V1, V14 points of the hanging cables are in the H-section of the bridge, identical to the 02.04, 08.08, 099, 0101, 0101, 0115 footprint, i.e. recorded. For example, in Fig. 6, the suspension cable F1O of the floating pillar 10 is fixed in a bridge section H identical to the base point 011 of the floating pillar 11. The columns 1,2,3 ... n can be structures with several base points. Figure 8 shows that the pillars 1,5,12 are not simple column pillars, but have two foot posts 01,05,012 in the section of the bridge post H, with two oblique pillars starting at their tension points A1, A5, A12 near each of their tension points. Of course, the columns 1,2,3 ... 0 may be formed by other structures, for example by joining two or more vertical column elements with 1,2,3 ... n pillars together with cross beams. However, the 2.3 ... n floating pillars can be arranged in several rows along the bridge path,

In the embodiment shown in Fig. 7, the invention has two (or more) main support P points for a sloped cable suspension bridge and two or more support pillars 1 for supporting support points. It will be readily apparent that this embodiment may be obtained by sequencing two (or more) bridges shown in the preceding figures.

The oblique cable suspension bridge according to the invention may also be implemented in combination with a conventional oblique cable bridge structure (Figure 8). In this case, the suspension of the bridge bridge H is continued at or near the end of the last inclined cable V1 as described above.

Figure 9 is a perspective view of two pillars 1 of the invention bridge, twenty-eight floating pillars 2,3,4 ... n.

It should be noted that the columns 12,3,4, .0 of a slanted cable suspension bridge according to the invention, formed with a single foot Pn, Cn, are perpendicular to the bridge H in a manner known in the art, such as tensioning ropes or transverse t-supports. Fixed in a direction perpendicular to the bridge post (Figs. 10a ~ d) Of course, this is not required for two or more Pn, Cn base points per pillar. In Fig. 9, 1 / 2,3,4, with both a single Cn base point and two Cn base points. n pillars are visible,

Of course, the bridge according to the invention can also be implemented so that each pillar 12,3 ... n has the highest tension A1, A2, ..,. is at the same height as the H runway. However, as the compression forces widened from point P to the bridge path H also decrease with equal span distances, it is advisable to apply lower tension points, which become smaller pillar spacing, and thus, away from point P, even smaller compression forces in the H path.

The oblique cable of the present invention is an oblique cable according to the state of the art

3a, 3b is the span between the ends a pillar height oblique bridge?

The advantage of a short bridge over the technique is that _: as the same is cheaper than an arch bridge of the same span, or -the-maximum-span available with a combination of two solutions, the α-angle of the H-bridge so that the compressive forces in the H-bridge do not increase but decrease with the increase of the span, unlike the traditional oblique bridge, where these forces increase with the increase of the α of the pillar benefits of having fewer pillars in the bed (less damage to the environment), <U.rU4é Yw

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Π therefore, construction costs less the same distance to be bridged, less material to install, faster construction,

Claims (1)

Patent claims at least one main support I there is at least one pillar (1} supported by oh power, and to the pillar (1), the pillar (1) From Itesi point there is a hurdle (3) on the path < is attached to the bridge post (H) and has a first end (3a) and a second end of the bridge track (H), with additional floating pillars ('2,3.,. n) on the mdpaiv (H1). arranged and the tension point (A2, A3 ... Ao) of each floating pillar (2,3 ... n) is secured to the bridge post (3) by at least two inclined suspension cables (F2, F3 ... Fn), and is the tension point of each floating pillar (2.3 .., ni base <C2, C3 ... Cn) and at least one other pillar (1,2,., n)? z. su © í? ypum message: the bridge, yemfem it, are formed. / «// having two or more main support points (P) _and two or more pillars (1) supported by an attacking force at the support points (P).