Arch bridge stone handrail and arch bridge

Abstract

The utility model relates to the technical field of bridge structures, in particular to an arch bridge stone handrail and an arch bridge. The arch bridge comprises two skewbacks which are arranged at intervals in the transverse direction, an arch ring is fixedly arranged between the two skewbacks, an arch upper side wall is arranged on the arch ring, the upper end face of the arch upper side wall is a bridge floor, two sets of handrails are arranged on the bridge floor at intervals in the longitudinal direction, the handrails comprise base stone strips and coping stone strips which extend in the transverse direction, and the base stone strips are used for being located and fixed on the arch bridge. The coping stone strips are arranged above the base stone strips at intervals, a plurality of supporting stone strips are sequentially fixed between the base stone strips and the coping stone strips in the transverse direction, and the anchoring structure is used for being pre-buried on the arch bridge and used for anchoring the coping stone strips, the base stone strips and the supporting stone strips on the arch bridge. The handrail is anchored on the arch bridge, when a bridge floor vibrates, the anchoring structure can still be stably connected with the handrail, meanwhile, the horizontal anti-pushing rigidity of the handrail in the transverse direction and the longitudinal direction can be enhanced, and safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge structures, and particularly relates to a stone railing for an arch bridge and an arch bridge. Background Art

[0002] Railings are safety facilities on bridges and buildings, mostly arranged on both sides of roads and bridges, and play the roles of separation, guidance and protection during use.

[0003] In the prior art, the railing structure on an arch bridge is usually as shown in the "imitation stone railing" disclosed in the Chinese utility model patent with the authorization announcement number CN218374832U. The railing includes a ground sill, baluster columns, a limit bottom plate and a railing side plate structure. A limit bottom plate is arranged above the ground sill; a top groove is arranged on the top surface of the ground sill, a bottom edge matching the top groove is arranged on the bottom surface of the limit bottom plate, and an installation groove for fixing the baluster columns and the railing side plate structure is arranged on the top surface of the limit bottom plate; the baluster columns are arranged at both ends of the railing side plate structure and are fixed in the installation groove together; the baluster column includes a column body, a top block and a baluster column head arranged above the column body, and a reinforcing core layer is arranged on the inner wall of the baluster column and the railing side edge plate structure. This railing has authenticity in terms of sensory perception, and at the same time, the weight of the imitation stone material is greatly reduced, reducing the overall weight and facilitating transportation.

[0004] When the above railing is actually installed, the ground sill is usually bonded to the arch bridge by cement mortar to complete the fixation of the railing. Stone tenons can be used to connect between the detailed components of the railing to complete the overall installation. The above connection method is convenient for construction, but in actual use, on the one hand, the bridge will vibrate under the action of vehicle loads. Under long-term vibration, the cement mortar bonding is prone to cracking. On the other hand, relying only on cement mortar connection, the horizontal anti-pushing stiffness of the railing is small, the overall structural performance is poor, and safety accidents are likely to occur. Content of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide a stone railing for an arch bridge and an arch bridge. The railing is fixed on the arch bridge by an anchoring method. When the bridge deck vibrates, the anchoring structure can still stably connect the railing to prevent the railing from detaching from the arch bridge. At the same time, the anchoring structure can enhance the horizontal anti-pushing stiffness of the railing in the transverse and longitudinal directions, improve the overall strength, enable the railing to withstand greater impacts, and improve safety.

[0006] In response to the above technical problem, the technical solution provided by the utility model is a stone railing for an arch bridge, which includes a base stone strip and a coping stone strip extending transversely. The base stone strip is used to be located and fixed on the arch bridge. The coping stone strip is arranged at intervals above the base stone strip. A plurality of support stone strips are fixedly arranged at intervals in the transverse direction between the base stone strip and the coping stone strip. It also includes an anchoring structure for being embedded in the arch bridge, and the anchoring structure is used to anchor the base stone strip, the support stone strips and the coping stone strip on the arch bridge.

[0007] Further, the supporting strip stone as a whole has an "I-shaped" structure, and is successively divided into a first strip stone, a second strip stone and a third strip stone from top to bottom.

[0008] Further, the anchoring structure includes long anchor rods and short anchor rods. The lower ends of the long anchor rods and the short anchor rods are both embedded in the arch bridge. The upper end of the long anchor rod successively passes through the base strip stone, the third strip stone, the second strip stone, the first strip stone and is deeply fixed in the coping strip stone. The upper end of the short anchor rod passes through the base strip stone and is deeply fixed in the third strip stone.

[0009] Further, two long anchor rods are arranged at intervals longitudinally. A group of short anchor rods are symmetrically arranged on both lateral sides of each long anchor rod, and two short anchor rods in each group are arranged at intervals longitudinally.

[0010] Further, corresponding anchor holes are provided on the base strip stone, the coping strip stone and the supporting strip stone at the positions corresponding to the long anchor rods and the short anchor rods. The anchor holes are filled with adhesive, and the long anchor rods and the short anchor rods are adhesively fixed to their corresponding anchor holes through the adhesive.

[0011] Further, the first strip stone, the second strip stone and the third strip stone are designed separately, and the coping strip stone, the first strip stone, the second strip stone, the third strip stone and the base strip stone are successively fixed by mortar bedding with lime mortar.

[0012] In view of the above technical problems, the technical solution provided by the present utility model is also an arch bridge, including two arch seats arranged at intervals transversely. An arch ring is fixedly arranged between the two arch seats. An upper side wall of the arch is arranged on the arch ring. The upper end surface of the upper side wall of the arch is a bridge deck. Two groups of railings are arranged at intervals longitudinally on the bridge deck. The railings are stone railings of the arch bridge. The stone railings of the arch bridge include a base strip stone and a coping strip stone extending transversely. The base strip stone is used for being seated and fixed on the arch bridge. The coping strip stone is arranged at intervals above the base strip stone. A plurality of supporting strip stones are fixedly arranged at intervals transversely between the base strip stone and the coping strip stone. An anchoring structure for being embedded in the arch bridge is also included. The anchoring structure is used for anchoring the base strip stone, the supporting strip stone and the coping strip stone on the arch bridge.

[0013] Further, the supporting strip stone as a whole has an "I-shaped" structure, and is successively divided into a first strip stone, a second strip stone and a third strip stone from top to bottom.

[0014] Further, the anchoring structure includes long anchor rods and short anchor rods. The lower ends of the long anchor rods and the short anchor rods are both embedded in the arch bridge. The upper end of the long anchor rod successively passes through the base strip stone, the third strip stone, the second strip stone, the first strip stone and is deeply fixed in the coping strip stone. The upper end of the short anchor rod passes through the base strip stone and is deeply fixed in the third strip stone.

[0015] Furthermore, two long anchor rods are arranged at intervals along the longitudinal direction, and a group of short anchor rods are symmetrically arranged on both lateral sides of each long anchor rod, and two short anchor rods are arranged at intervals along the longitudinal direction in each group.

[0016] Furthermore, corresponding anchor holes are provided on the base stone, coping stone and support stone at the positions corresponding to the long anchor rods and the short anchor rods, the anchor holes are filled with adhesive, and the long anchor rods and the short anchor rods are adhesively fixed to their corresponding anchor holes through the adhesive.

[0017] Furthermore, the first stone, the second stone and the third stone are designed separately, and the coping stone, the first stone, the second stone, the third stone and the base stone are sequentially fixed by mortar bedding with lime mortar.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] (1) Through the support of the support stone, the coping stone, the support stone and the base stone form a railing structure. By using the anchoring structure pre-buried on the arch bridge, the coping stone, the base stone and the support stone can be strung together, and then the railing can be fixed on the arch bridge by means of anchoring. When the bridge deck vibrates, the anchoring structure can still stably connect the railing, preventing the railing from detaching from the arch bridge. At the same time, the anchoring structure can enhance the horizontal anti-pushing stiffness of the railing in the transverse and longitudinal directions, improve the overall strength, enable the railing to withstand greater impacts, and improve safety.

[0020] (2) The support stone is in an I-shaped structure, and more gaps can be left between adjacent support stones to improve ventilation.

[0021] (3) The anchoring structure is divided into short anchor rods and long anchor rods, which can ensure reliable connection and fixation of each part of the railing to the arch bridge.

[0022] (4) The anchor holes are filled with adhesive, which can ensure the connection reliability between the anchoring structure and each part of the railing, and improve the seismic resistance and anti-pushing ability of the railing. Description of the Drawings

[0023] Figure 1 is a schematic structural diagram of an arch bridge in Embodiment 1 of the present utility model.

[0024] Figure 2 is Figure 1 the enlarged view of part A in

[0025] Figure 3 is a schematic structural diagram showing the installation of the long anchor rod in Embodiment 1 of the present utility model.

[0026] Figure 4 is a schematic structural diagram showing the installation of the short anchor rod in Embodiment 1 of the present utility model.

[0027] In the figure: 1, coping stone; 2, base stone; 3, support column; 4, support stone; 41, first stone; 42, second stone; 43, third stone; 5, anchoring structure; 51, long anchor rod; 52, short anchor rod; 6, arch abutment; 7, arch ring; 8, upper side wall of arch; 9, anchor hole. Specific embodiments

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application: Specific embodiment 1:

[0030] In this embodiment, as Figure 1 shown, the transverse direction is the length direction of the two arch rings 7, and as Figure 3 shown, the longitudinal direction is the width direction of the base stone 2.

[0031] Referring to Figures 1 to 4 , an arch bridge of the present utility model includes two arch abutments 6 arranged at intervals along the transverse direction. An arch ring 7 is fixedly arranged between the two arch abutments 6. An upper side wall 8 of the arch is fixedly arranged on the arch ring 7, and the upper end surface of the upper side wall 8 of the arch is the bridge deck. Two groups of railings are arranged at intervals along the longitudinal direction on the bridge deck. The length of each group of railings extends along the transverse direction, and the length of the railings is adapted to the length of the arch bridge. In this embodiment, the railings are stone railings of the arch bridge (hereinafter referred to as stone railings).

[0032] Specifically, in this embodiment, as Figure 1 , 2 shown, each group of stone railings includes a base stone 2 and a coping stone 1 extending along the transverse direction. The base stone 2 is used to be located and fixed on the arch bridge. Specifically, the base stone 2 is used to be affixed and fixed on the bridge deck of the upper side wall 8 of the arch.

[0033] The coping stone 1 is arranged at intervals above the base stone 2. At the transverse two ends of the base stone 2 and the coping stone 1, a support column 3 is respectively supported. The upper and lower ends of the support column 3 are respectively fixedly connected to the coping stone 1 and the base stone 2. A plurality of support stones 4 are fixedly arranged at intervals in sequence along the transverse direction between the base stone 2 and the coping stone 1. The upper end of the support stone 4 is fixedly connected to the lower end of the coping stone 1, and the lower end is supported and fixed on the upper end surface of the base stone 2.

[0034] The stone railing further includes an anchoring structure 5 for being embedded in the arch bridge. The anchoring structure 5 is used to anchor the coping stone 1, the base stone 2, and the support stone 4 on the arch bridge.

[0035] Specifically, in this embodiment, as Figure 1 , 2As shown, the support stones 4 are generally I-shaped and are divided, from top to bottom, into a first stone 41, a second stone 42, and a third stone 43. The first and third stones 41, 43 are of the same large diameter, while the second stone 42 is of a smaller diameter. This reduces the weight of the railing and allows for more space between adjacent support stones 4, improving ventilation. Furthermore, the larger first and third stones 41, 43 increase the contact area with corresponding components, enhancing stability.

[0036] In this embodiment, if Figure 1 、 2 As shown, the anchoring structure 5 includes a long anchor rod 51 and a short anchor rod 52. The lower ends of the long anchor rod 51 and the short anchor rod 52 are pre-buried in the arch upper sidewall 8 of the arch bridge. A set of rough estimates is set for each supporting stone. The upper end of the long anchor rod 51 extends upward and passes through the base stone 2, the third stone 43, the second stone 42, and the first stone 41 in sequence, and is deeply fixed in the capping stone 1. The upper end of the long anchor rod 51 is sealed within the capping stone 1.

[0037] The upper end of the short anchor rod 52 extends upward through the base stone 2 and is deeply fixed in the third stone 43. The upper end of the short anchor rod 52 is also sealed in the third stone 43. This ensures that all parts of the railing are securely connected and fixed to the arch bridge, and the anchor structure 5 can be placed as a whole between the railing and the arch bridge to avoid exposure to corrosion damage.

[0038] In this embodiment, if Figure 2 As shown, corresponding anchor holes 9 are provided on the base stone 2, capping stone 1, and supporting stone 4 at positions corresponding to the long anchor rods 51 and short anchor rods 52. Specifically, anchor holes 9 extending in a straight line and compatible with the long anchor rods 51 are provided on the capping stone 1, first stone 41, second stone 42, third stone 43, and base stone 2. This allows the base stone 2, third stone 43, second stone 42, first stone 41, and capping stone 1 to be sequentially connected to the long anchor rods 51 to form a whole and achieve fixation. Anchor holes 9 compatible with the short anchor rods 52 are provided at corresponding positions on the base stone 2 and third stone 43. The base stone 2 and third stone 43 are sequentially connected to the short anchor rods 52 to form a whole, ensuring the stable position of the supporting stone 4 and improving the connection strength between the railing and the arch bridge.

[0039] Preferably, in this embodiment, each of the above-mentioned anchor holes 9 is filled with adhesive, and the long anchor rod 51 and the short anchor rod 52 are bonded and fixed to their corresponding anchor holes 9 by the adhesive. In this way, the adhesive can be used to ensure the reliability of the connection between the anchor structure 5 and the various parts of the railing, thereby improving the railing's anti-seismic and anti-thrust capabilities.

[0040] Preferably, in this embodiment, Figure 2、 3 As shown in Figures 4 and 5, each support stone 4 has two long anchor rods 51 spaced longitudinally apart. A pair of short anchor rods 52 are symmetrically arranged on either side of the two long anchor rods 51, with each pair of short anchor rods 52 spaced longitudinally apart. This arrangement of two long anchor rods 51 and four short anchor rods 52 on each support stone 4 ensures connection reliability and thrust resistance. Furthermore, the symmetrical arrangement of the short anchor rods 52 on either side of the long anchor rods 51 ensures uniform stress distribution across the support stone 4, guaranteeing its service life.

[0041] Of course, in other embodiments, the position and number of long anchor rods 51 and short anchor rods 52 can be set according to actual needs, such as providing only one long anchor rod 51 per group, only one short anchor rod 52 per group, or providing the short anchor rod 52 only on one side of the long anchor rod 51. There are many specific arrangements and are not limited here. Similarly, in other embodiments, a snap-in groove can be provided at the position of the capping stone 1 corresponding to the first stone 41 and at the position of the base stone 2 corresponding to the third stone 43. The opposing ends of the first stone 41 and the third stone 43 are respectively snapped into the corresponding snap-in grooves to ensure a secure connection and prevent misalignment.

[0042] Preferably, in this embodiment, the first stone 41, the second stone 42 and the third stone 43 are designed separately, that is, the supporting stone 4 is composed of three separate stones, which is convenient for processing and transportation, and is also convenient for adjusting errors during assembly.

[0043] Lime mortar is used to secure the capping stone 1, first stone 41, second stone 42, and third stone 43 to the base stone 2 in sequence, improving the stability of the connections between the components. Of course, to increase the connection strength, lime mortar or cement mortar can also be poured between the base stone 2 and the upper side wall 8 of the arch bridge to connect and secure them, cooperating with the anchor structure 5 to further improve stability and safety.

[0044] In this embodiment, the long anchor rod 51 and the short anchor rod 52 are both anchoring steel bars.

[0045] The installation steps of the stone railing of the utility model on the arch bridge are as follows:

[0046] (1) Pre-embed the long anchor rod 51 and the short anchor rod 52 on the upper side wall 8 of the arch;

[0047] (2) The base stone 2 with the anchor holes 9 is inserted into the long anchor rod 51 and the short anchor rod 52 according to the design requirements. The base stone 2 is positioned and installed on the upper side wall 8 of the arch. The anchor holes 9 of the base stone 2 are filled with adhesive to complete the fixing of the base stone 2.

[0048] (3) Thread the third stone 43 with pre - set anchor holes 9 onto the long anchor bolts 51 and short anchor bolts 52 according to the design requirements to complete the positioning of the third stone 43. Fill lime mortar between the third stone 43 and the base stone 2 to complete bedding mortar, and fully fill the adhesive into the anchor holes 9 of the third stone 43 to complete the fixation of the third stone 43. At the same time, ensure that the upper end of the short anchor bolt 52 is sealed inside the third stone 43;

[0049] (4) As described above, position and install the second stone 42 with pre - set anchor holes 9 on the third stone 43 according to the design requirements through the long anchor bolt 51 for bedding mortar installation. At the same time, fully fill the adhesive into the anchor holes 9 of the second stone 42 to complete the assembly of the second stone 42;

[0050] (5) Position and install the first stone 41 with pre - set anchor holes 9 on the second stone 42 according to the design requirements through the long anchor bolt 51 for bedding mortar installation, and fully fill the adhesive into its anchor holes 9 to complete the assembly of the first stone 41;

[0051] (6) Position and install the coping stone 1 with pre - set anchor holes 9 on the first stone 41 according to the design requirements through the long anchor bolt 51 for bedding mortar installation, and fully fill the adhesive into its anchor holes 9. The upper end of the long anchor bolt 51 is sealed inside the coping stone 1.

[0052] Thus, the assembly of the stone railing and the arch bridge of this application is completed.

[0053] In summary, for the arch bridge of the present utility model, its stone railing is supported by the supporting stones 4. The coping stone 1, the supporting stones 4 and the base stone 2 form the railing structure. By using the anchoring structure 5 pre - embedded on the arch bridge, the coping stone 1, the base stone 2 and the supporting stones 4 can be strung together, and then the railing is fixed on the arch bridge by means of anchoring. When the bridge deck vibrates, the anchoring structure 5 can still stably connect the railing, preventing the stone railing from detaching from the arch bridge. At the same time, the anchoring structure 5 can enhance the horizontal anti - thrust stiffness of the stone railing in the transverse and longitudinal directions, improve the overall strength, ensure that the stone railing can withstand greater impacts, and improve safety.

[0054] Embodiment 2: This embodiment provides a different supporting stone. Different from Embodiment 1, in this embodiment, when meeting the actual use requirements, the first stone, the second stone and the third stone that make up the supporting stone can be integrally processed.

[0055] Embodiment 3: This embodiment provides a different supporting stone. Different from Embodiment 1, in this embodiment, when meeting the actual use requirements, the supporting stone can be in a columnar structure. At this time, the anchoring structure can be composed of multiple long anchor bolts. The upper ends of the long anchor bolts pass through the supporting stone and are fixed inside the coping stone, and the lower ends are pre - embedded on the arch bridge.

[0056] An embodiment of the stone railing of the arch bridge of the present utility model has the same structure as the stone railing of the arch bridge in any of the above embodiments, and will not be described in detail herein.

[0057] The above are only the preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

[0058] In the description of the embodiments of the present application, it should be noted that if terms such as "upper", "lower", "horizontal", "inner", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invention product is usually placed during use. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application. In addition, terms such as "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0059] In addition, if the term "horizontal" appears, it does not mean that the component is required to be absolutely horizontal, but it can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but it can be slightly inclined.

Claims

1. An arch bridge stone railing, characterized in that, It includes a base stone strip and a coping stone strip extending horizontally. The base stone strip is used to be seated and fixed on the arch bridge. The coping stone strip is arranged at intervals above the base stone strip. A plurality of support stone strips are fixedly arranged at intervals horizontally between the base stone strip and the coping stone strip. It also includes an anchoring structure for being embedded in the arch bridge, and the anchoring structure is used to anchor the base stone strip, the support stone strips and the coping stone strip on the arch bridge; The support stone strip is integrally in an "I" - shaped structure, and is successively divided into a first stone strip, a second stone strip and a third stone strip from top to bottom; The anchoring structure includes long anchor rods and short anchor rods. The lower ends of the long anchor rods and the short anchor rods are both embedded in the arch bridge. The upper end of the long anchor rod successively passes through the base stone strip, the third stone strip, the second stone strip, the first stone strip and is deeply fixed in the coping stone strip. The upper end of the short anchor rod passes through the base stone strip and is deeply fixed in the third stone strip; Corresponding anchor holes are provided on the base stone strip, the coping stone strip and the support stone strips at the positions corresponding to the long anchor rods and the short anchor rods. The anchor holes are filled with adhesive, and the long anchor rods and the short anchor rods are adhesively fixed to their corresponding anchor holes through the adhesive; The first stone strip, the second stone strip and the third stone strip are designed separately, and the coping stone strip, the first stone strip, the second stone strip, the third stone strip and the base stone strip are successively fixed by mortar bedding with lime mortar.

2. The stone railing of the arch bridge according to claim 1, characterized in that, Two long anchor rods are arranged at intervals longitudinally. A group of short anchor rods are symmetrically arranged on both lateral sides of each long anchor rod, and two short anchor rods in each group are arranged at intervals longitudinally.

3. An arch bridge, comprising two abutments arranged at intervals along the transverse direction, an arch ring is fixedly arranged between the two abutments, an arch superstructure wall is arranged on the arch ring, the upper end surface of the arch superstructure wall is the bridge deck, and two groups of railings are arranged at intervals along the longitudinal direction on the bridge deck, and it is characterized in that, The railing is the stone railing of the arch bridge described in any one of claims 1 - 2 above.

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