CN215906559U - Arch bridge with guard bar - Google Patents

Abstract

The utility model provides an arch bridge with guardrails, which mainly comprises a main beam, four arch seats which are opposite in pairs, two main arches, two auxiliary arches and two groups of guardrails, wherein the two main arches are arranged on the main beam; the four arch seats are respectively arranged at the tail ends of the main beams; the two main arches, the two auxiliary arches and the two groups of guardrails are all arranged between two arch seats which are opposite along the bridge direction; the main beam and the main arch are both arc-shaped and have the same radian; each group of guardrails consists of two wave-shaped railings; the two railings are in mirror symmetry along a connecting line formed by the centers of the two main arches; the side surface of the main beam is embedded in the railing; the auxiliary arch is in an omega shape; the main arch is arranged across the auxiliary arch; the auxiliary arch and the two guardrails are arranged in a staggered connection mode. The auxiliary arch is additionally arranged above the main arch to bear partial load, the auxiliary arch and the main arch form a double-truss double-arch structure, the guard rails formed by the wavy handrails are embedded in two opposite arch bases in the bridge direction, and a plurality of triangle-like structures are formed between the handrails and the main arch, so that the integral bearing capacity of the arch bridge can be effectively improved.

Description

Arch bridge with guard bar

Technical Field

The utility model mainly relates to the field of arch bridges, in particular to an arch bridge with guardrails.

Background

The arch bridge of China is established at the middle and later stages of east China and has a history of more than one thousand and eight hundred years; the cantilever wood-stone bridge is developed gradually from a cantilever wood-stone beam bridge, a supporting bridge and the like, and the appearance of the bridge is curved in the forming and developing processes, so the bridge is often called as a curved bridge in ancient times;

in the aspect of landscape architecture, the arch bridge is applied more, and the arch rib is the main stress component of the arch bridge, so the structural design is the basis of reasonable stress of the full bridge, and whether the arch assist and the integral external shape of the guardrail are attractive or not is the key point of the full bridge landscape design; the existing arch shape comprises a semicircle, an arc, an ellipse, a parabola, an egg shape, a horseshoe shape, a pointed arch shape and the like, but in areas with high landscape requirements, the arch bridge of the type is monotonous and has insufficient tension.

SUMMERY OF THE UTILITY MODEL

The utility model provides an arch bridge with guardrails, which is reasonable in overall stress, attractive in appearance and rich in tension.

The technical scheme provided by the utility model is as follows:

the utility model provides an arch bridge with guardrails, which comprises a main beam, four arch seats, two main arches, two auxiliary arches and two groups of guardrails, wherein the four arch seats are opposite in pairs; the four arch seats are respectively arranged at the tail ends of the main beams; the two main arches, the two auxiliary arches and the two groups of guardrails are all arranged between two arch seats which are opposite to each other along the bridge direction; the main beam and the main arch are both arc-shaped and have the same radian; each group of guardrails consists of two wave-shaped railings; the two railings are in mirror symmetry along a connecting line formed by the centers of the two main arches; the side surface of the main beam is embedded in the railing; the auxiliary arch is in an omega shape; the main arch is arranged across the auxiliary arch; the auxiliary arches are connected with the two guardrails in a staggered manner; two of the rails of the same set of the guard rails, wherein one of the rails is embedded inside one of the arch seats at one end and connected to the secondary arch near 1/4; one end of the other handrail is embedded in the other arch base, and the other end of the other handrail is connected to the position near 3/4 of the auxiliary arch.

Preferably, the main arch, the auxiliary arch and the guardrail are embedded in one end of the same arch support and are connected with each other to form an integral structure.

Preferably, a plurality of cross braces for increasing the transverse strength are embedded in the main beam; two support columns are arranged at two ends of the main beam in the vertical bridge direction; the support column is connected with an integrated structure consisting of the main arch, the auxiliary arch and the guardrail, and the joint can be reinforced through reinforcing ribs according to the bearing capacity requirement.

Preferably, the main beam, the cross brace, the main arch and the auxiliary arch all adopt steel structures or steel-concrete composite structures, and the whole outer part formed by the main beam and the cross brace is coated with concrete.

Preferably, the guardrail is made of wood; the top of the guardrail takes the omega-shaped auxiliary arch as a boundary, and the lowest point of the guardrail is higher than the bottom surface of the arch support.

Preferably, two LED lamps are disposed on each of the arch seats.

Preferably, stone steps are arranged between every two opposite arch bases in the vertical bridge direction.

The utility model has the beneficial effects that:

the arch bridge with the guardrail provided by the utility model not only provides a supporting force for the whole arch bridge by the main arch, but also adds the auxiliary arch above the main arch to bear partial load, and forms a double-truss double-arch structure with the main arch; the guardrail formed by the wavy railings is embedded in the two opposite arch supports in the bridge direction, and a plurality of triangle-like structures are formed between the railings and the main arch, so that the integral bearing capacity of the arch bridge can be effectively improved; meanwhile, the integral attractiveness of the arch bridge is improved by the aid of the omega-shaped auxiliary arch and the wavy railings.

Drawings

The utility model and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.

FIG. 1 is a front view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is an internal perspective view of the present invention;

FIG. 4 is a perspective view of the main beam of the present invention;

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As used herein, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the positional or orientational relationship illustrated in the figures to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.

The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the utility model without making creative efforts, belong to the protection scope of the utility model.

Example 1

The embodiment of the utility model provides an arch bridge with guardrails, which comprises a main beam 1, four arch bases 2 opposite to each other in pairs, two main arches 3, two auxiliary arches 4 and two groups of guardrails 5; the four arch seats 2 are respectively arranged at the tail ends of the main beams 1; the two main arches 3, the two auxiliary arches 4 and the two groups of guardrails 5 are all arranged between two arch seats 2 which are opposite in pairs along the bridge direction; the main beam 1 and the main arch 3 are both arc-shaped and have the same radian; each group of guardrails 5 consists of two railings 501; the two railings 501 are in mirror symmetry along a connecting line formed by the centers of the two main arches 3; the side surface of the main beam 1 is embedded in the railing 501; the planes of the two handrails 501 are wavy, the vertical surface design can refer to a high-order equation curve, and the stress of the main beam 1 and the handrails 501 is reasonably combined to form a very strong force form; the auxiliary arch 4 is in an omega shape; the main arch 3 is arranged across the auxiliary arch 4; the auxiliary arch 4 is connected with the two guardrails 5 in a staggered way; two railings 501 of the same group of guardrails 5, wherein one end of one railing 501 is embedded in one arch base 2, and the other end is connected to the position 1/4 of the auxiliary arch 4; the other balustrade 501 has one end embedded inside the other abutment 2 and the other end connected to the secondary arch 4 near 3/4.

In the arch bridge with guardrails according to the embodiment, in order to reduce the load borne by the middle area of the main arch 3, in addition to the main arch 3 providing a supporting force to the whole arch bridge, the auxiliary arch 4 is additionally arranged above the main arch 3 to bear part of the load, and forms a double-truss double-arch structure with the main arch 3, as shown in fig. 1, 2 and 3; the guard bar 5 composed of the wave-shaped railings 501 is embedded in the two opposite arch bases 2 in the bridge direction, and a plurality of triangle-like structures are formed between the railings 501 and the main arch 3, so that the integral bearing capacity of the arch bridge can be effectively improved; meanwhile, the omega-shaped auxiliary arch 4 is matched with the wave-shaped railing 501, so that the overall attractiveness of the arch bridge is greatly improved.

In order to ensure the integrity of the arch bridge, in the implementation, it is preferable that the main arch 3, the auxiliary arch 4 and the guardrail 5 are embedded into the same arch base 2, and are connected with each other at one end to form an integrated structure, and the main arch 3, the auxiliary arch 4 and the guardrail 5 can transmit loads to the arch base 2, so that the loads among the main arch 3, the auxiliary arch 4 and the guardrail can be conveniently transmitted with each other, and the stress is more uniform; meanwhile, the design of the integrated structure of the main arch 3, the auxiliary arch 4 and the guardrail 5 can provide convenience for bridge installation.

In order to improve the overall mechanical performance of the arch bridge structure, in the implementation, preferably, a plurality of cross braces 6 for increasing the transverse strength are embedded in the main beam 1; two support columns 7 are arranged at two ends of the main beam 1 in the vertical bridge direction; the supporting column 7 is connected with an integrated structure consisting of the main arch 3, the auxiliary arch 4 and the guardrail 5, and the joint can be reinforced by reinforcing ribs according to the bearing capacity requirement.

In the implementation, preferably, the main beam 1, the cross brace 6, the main arch 3 and the auxiliary arch 4 all adopt steel structures or steel-concrete composite structures, and the whole body formed by the main beam 1 and the cross brace 6 is coated with concrete; the guard bar 5 is made of wood; the top of the guardrail 5 is arranged with the omega-shaped auxiliary arch 4 as the boundary and the lowest point higher than the bottom surface of the arch base 2, which can not block the normal passage of ships.

In this implementation, it is preferred that each arch support 2 is provided with two LED lamps 8, and the LED lamps 8 are turned on at night, so that the bridge deck is not only striking, but also beautified at night.

In the embodiment, preferably, the vertical bridge is provided with the stone steps 9 between two arch bases 2 which are opposite in pairs, and simultaneously, the arch bridge appearance with distinct layers and novel modeling is manufactured.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims (7)

1. An arch bridge with guardrails is characterized by comprising a main beam, four arch seats which are opposite in pairs, two main arches, two auxiliary arches and two groups of guardrails; the four arch seats are respectively arranged at the tail ends of the main beams; the two main arches, the two auxiliary arches and the two groups of guardrails are all arranged between two arch seats which are opposite to each other along the bridge direction;

the main beam and the main arch are both arc-shaped and have the same radian; each group of guardrails consists of two wave-shaped railings; the two railings are in mirror symmetry along a connecting line formed by the centers of the two main arches; the side surface of the main beam is embedded in the railing;

the auxiliary arch is in an omega shape; the main arch is arranged across the auxiliary arch; the auxiliary arches are connected with the two guardrails in a staggered manner; two of the rails of the same set of the guard rails, wherein one of the rails is embedded inside one of the arch seats at one end and connected to the secondary arch near 1/4; one end of the other handrail is embedded in the other arch base, and the other end of the other handrail is connected to the position near 3/4 of the auxiliary arch.

2. The arched bridge with guardrail of claim 1, wherein: the main arch, the auxiliary arch and the guardrail are embedded in one end of the same arch support and are connected with each other to form an integral structure.

3. The arched bridge with guardrail of claim 1, wherein: a plurality of cross braces for increasing the transverse strength are embedded in the main beam; two support columns are arranged at two ends of the main beam in the vertical bridge direction; the support column is connected with an integrated structure consisting of the main arch, the auxiliary arch and the guardrail, and the joint can be reinforced through reinforcing ribs according to the bearing capacity requirement.

4. The arched bridge with guardrail of claim 3, wherein: the main beam, the cross brace, the main arch and the auxiliary arch all adopt steel structures or steel-concrete composite structures, and the whole outer portion formed by the main beam and the cross brace is coated with concrete.

5. The arched bridge with guardrail of claim 4, wherein: the guardrail is made of wood; the top of the guardrail takes the omega-shaped auxiliary arch as a boundary, and the lowest point of the guardrail is higher than the bottom surface of the arch support.

6. The arched bridge with guardrail of claim 5, wherein: and each arch support is provided with two LED lamps.

7. The arched bridge with guardrail of claim 6, wherein: and stone steps are arranged between every two opposite arch seats in the vertical bridge direction.

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