UHPC arch ring structure, bridge and construction method thereof

Abstract

The invention relates to the field of bridge engineering, in particular to a UHPC arch ring structure, a bridge and a construction method of the UHPC arch ring structure, an arch ring comprises a plurality of arch ring sections, every two adjacent arch ring sections are detachably connected, each arch ring section comprises prefabricated UHPC web plates which are symmetrically arranged, and pouring structures are arranged at the upper ends and / or the lower ends of the prefabricated UHPC web plates. Due to the symmetrical arrangement of the prefabricated UHPC web plates, the material consumption is reduced, meanwhile, the structural strength is guaranteed, the lightweight design of the arch ring section is achieved, the transportation and installation cost can be reduced, meanwhile, the UHPC web plates are prefabricated, the construction speed is increased, on-site pouring of the web plates is avoided, the construction progress is accelerated, and the construction period is shortened; the prefabricated UHPC web is matched with the pouring structure, the cost can be reduced while the local strength and durability of the arch ring section are improved, and the problem that the cost is too high due to the fact that the whole arch ring section is made of UHPC materials is solved.

Description

Technical Field

[0001] The invention relates to the field of bridge engineering, in particular to a UHPC arch ring structure, a bridge and a construction method thereof. Background Art

[0002] With the increase in the span capacity of arch bridges, arch bridges are becoming more and more common in mountainous areas. Under this development trend, concrete arch bridges show superior durability compared to steel tube concrete arch bridges. However, in the construction of concrete arch bridges, traditional rigid skeleton structures usually require complex formwork support systems, especially in the environment of high-pier and long-span bridges, which requires very high stability of the formwork and support system. During the cast-in-place construction of the web, the formwork must not only bear the deadweight of the arch bridge, but also resist the lateral pressure generated during the pouring of concrete. The mountainous terrain makes the construction of the formwork particularly difficult, often requiring high-altitude operations, and the construction space is narrow, manual operation is limited, and there are significant safety hazards. In addition, the web casting is mostly vertical casting, with a height of more than 10 meters. Accidents such as mold explosion are prone to occur during the casting process, further increasing the difficulty of construction. Summary of the invention

[0003] The purpose of the present invention is to provide a UHPC arch ring structure, a bridge and a construction method thereof, in view of the problem in the prior art that, during the process of casting the web, the vertical formwork is difficult to build and the arch rib cross-section is relatively high, resulting in a large lateral pressure during concrete pouring and difficulty in effectively controlling the bursting of the formwork.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] A UHPC arch ring structure, the arch ring comprises a plurality of arch ring segments, two adjacent arch ring segments are detachably connected, the arch ring segments comprise symmetrically arranged prefabricated UHPC webs, the upper ends and / or lower ends of the prefabricated UHPC webs are provided with casting structures, and the casting structures are cast using conventional concrete.

[0006] The present invention is a UHPC arch ring. Through the existing arch bridge construction process, the arch ring is divided into a number of mutually spliced ​​arch ring segments. In this way, the detachable connection design between adjacent arch ring segments enables the arch ring to be flexibly assembled during the construction process, simplifies the construction process, and is easy to disassemble when maintenance or replacement is required, thereby improving the convenience of construction and maintenance; at the same time, each arch ring segment is composed of a UHPC web and a casting structure. By adopting UHPC (ultra-high performance concrete) material, the arch ring structure is greatly improved in terms of bearing capacity, crack resistance and durability, and the service life is extended. Service life; the symmetrical setting of the prefabricated UHPC web reduces the material consumption while ensuring the structural strength, realizes the lightweight design of the arch ring section, and helps to reduce the transportation and installation costs. At the same time, the UHPC web is prefabricated, which speeds up the construction speed and avoids the casting of the web on site, speeds up the construction progress and shortens the construction period; the present invention combines the prefabricated UHPC web with the casting structure to improve the local strength and durability of the arch ring section while reducing the cost, avoiding the problem of excessive cost caused by the use of UHPC materials throughout the arch ring section.

[0007] As a preferred solution of the present invention, each of the prefabricated UHPC webs is provided with at least two stiffening ribs on a side facing the inside of the arch ring.

[0008] By setting stiffening ribs on the inner side of each prefabricated UHPC web, this structural design effectively combines the advantages of high strength and light weight, providing double protection for the bearing capacity and durability of the arch ring.

[0009] As a preferred embodiment of the present invention, the prefabricated UHPC web comprises a vertical plate, an upper bearing plate is provided on the top of the vertical plate, a lower bearing plate is provided on the bottom of the vertical plate, and the upper bearing plate and / or the lower bearing plate are connected to the casting structure.

[0010] By coordinating the vertical plate with the upper bearing plate and the lower bearing plate, the structural stability of the entire web is enhanced; at the same time, by connecting the upper bearing plate and / or the lower bearing plate with the cast structure, the shear resistance of the web itself is improved.

[0011] As a preferred solution of the present invention, the prefabricated UHPC web is provided with a splicing portion in the longitudinal direction of the web; two adjacent splicing portions in the longitudinal direction of the web can match.

[0012] By setting the splicing part in the longitudinal direction of the web and matching two adjacent splicing parts, it is ensured that the matching splicing parts of two adjacent webs in the longitudinal direction of the bridge are tightly connected, ensuring the continuity and integrity of the structure in the longitudinal direction of the bridge, reducing the risk of misalignment at the splicing part, and improving the overall stability and force consistency; through the setting of the splicing part, it can play a guiding role in the splicing of the web, simplify the process of positioning installation during the installation of the web, and improve the construction efficiency.

[0013] As a preferred solution of the present invention, a structural connector is provided on one side of the prefabricated UHPC web facing the inside of the arch ring; and two adjacent prefabricated UHPC webs in the direction along the bridge are connected by the structural connector.

[0014] The two adjacent webs along the bridge direction are connected together through structural connectors, so that the arch ring structure can form an integral structure along the bridge direction, thereby improving stability. At the same time, structural connectors are pre-arranged on the webs. When the prefabricated UHPC webs are transported to the construction site, the construction workers can directly connect the two webs along the bridge direction through the structural connectors, thereby simplifying the operation and optimizing the construction process.

[0015] As a preferred solution of the present invention, the structural connector includes a connecting plate assembly, one end of the connecting plate assembly is connected to the prefabricated UHPC web, and the other end is provided with a connecting seat.

[0016] As a preferred embodiment of the present invention, the connecting plate assembly includes a shear key, one end of which is connected to the prefabricated UHPC web and the other end is provided with a connecting plate; the end of the connecting plate away from the shear key is connected to the connecting seat.

[0017] By setting shear keys, the shear force on the prefabricated UHPC web is transferred to the connecting seat, which enhances the shear resistance of the structure and ensures the stability of the arch ring under load. It is particularly suitable for engineering scenarios with large shear forces. The setting of shear keys provides a transition layer between the connecting plate and the web, avoiding stress concentration caused by direct connection, making the structure more evenly stressed, and reducing the risk of cracking or fatigue damage at the connection.

[0018] As a preferred solution of the present invention, the casting structure body is a top plate and / or a bottom plate.

[0019] In a second aspect, a bridge includes the above-mentioned UHPC arch ring structure and also includes a sling device, one end of the sling device is connected to the main beam, and the other end is connected to the arch ring structure.

[0020] The present invention is a bridge which uses a UHPC arch ring structure. The UHPC material has extremely high strength and durability, so that the arch ring structure can bear a large load, effectively support the main beam of the bridge, and improve the bearing capacity of the overall structure. UHPC has a high strength-to-weight ratio. Under the premise of ensuring strength, it can reduce the dead weight of the bridge and reduce the foundation load of the bridge, thereby reducing material usage and reducing costs.

[0021] In a third aspect, a construction method of a UHPC arch ring includes the above-mentioned UHPC arch ring structure, the method comprising:

[0022] S1. Build the construction site and construction equipment according to the construction specifications;

[0023] S2. After the construction is completed, the prefabricated UHPC webs in the arch ring segment are constructed, wherein each arch ring segment includes a group of prefabricated UHPC webs;

[0024] S21, firstly arrange two groups of the prefabricated UHPC webs at the arch foot, wherein the two groups of the prefabricated UHPC webs are symmetrically arranged with the center line of the bridge cross section as the symmetry axis;

[0025] S22, after the construction of the two groups of the prefabricated UHPC webs located at the arch foot is completed, each subsequent group of the prefabricated UHPC webs is assembled, and each time the prefabricated UHPC webs are assembled, the prefabricated UHPC webs are always kept symmetrical with respect to the center line of the bridge cross section;

[0026] S3. After completing the construction of all prefabricated UHPC webs, cast the cast structure;

[0027] S4. Construction completed.

[0028] The present invention discloses a construction method for a UHPC arch ring, which comprises pre-splicing prefabricated UHPC webs and then casting the arch ring in sections to form a casting structure. The construction is carried out in stages and in a systematic manner, so that the construction is more efficient. In the process of splicing the prefabricated UHPC webs and casting in sections, a symmetrical construction method is adopted. Through a precise and symmetrical construction process, the geometric shape and structural stability of the arch ring are ensured, thereby significantly improving the construction quality and reducing potential structural defects and safety hazards.

[0029] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0030] 1. The present invention is a UHPC arch ring. Through the existing arch bridge construction process, the arch ring is divided into a number of mutually spliced ​​arch ring segments. In this way, the detachable connection design between adjacent arch ring segments enables the arch ring to be flexibly assembled during the construction process, simplifies the construction process, and is easy to disassemble when maintenance or replacement is required, thereby improving the convenience of construction and maintenance; at the same time, each arch ring segment is composed of a UHPC web and a casting structure. By adopting UHPC (ultra-high performance concrete) materials, the arch ring structure has greatly improved bearing capacity, crack resistance and durability, and extended service life; the symmetrical setting of the prefabricated UHPC web reduces the material consumption, while ensuring the structural strength, and realizing the lightweight of the arch ring segment. The optimized design helps to reduce the transportation and installation costs. At the same time, the UHPC web is prefabricated, which speeds up the construction speed, avoids the on-site casting of the web, speeds up the construction progress, and shortens the construction period. The present invention combines the prefabricated UHPC web with the casting structure to improve the local strength and durability of the arch ring section while reducing the cost, avoiding the problem of excessive cost caused by using UHPC materials throughout the arch ring section. The UHPC web is prefabricated, so that when the web is constructed, there is no need to erect the formwork in the air by machinery, which saves the time for splicing the formwork. The use of UHPC materials can ensure the strength and rigidity of the web while reducing the lifting weight when the web is hoisted. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the arch ring segment of the present invention;

[0032] Figure 2 It is a schematic structural diagram of the prefabricated UHPC web of the present invention;

[0033] Figure 3 is a schematic structural diagram of a structural connector of the present invention;

[0034] Figure 4 It is a schematic diagram of the bridge structure of the present invention;

[0035] Figure 5 It is a flow chart of the construction method of the UHPC arch ring of the present invention;

[0036] Figure 6 is a schematic diagram of a spliced ​​portion of adjacent prefabricated UHPC webs of the present invention;

[0037] Figure 7 Schematic diagram of the connection of adjacent prefabricated UHPC webs of the present invention.

[0038] Icons: 1-arch ring segment; 11-precast UHPC web; 111-vertical plate; 112-upper load-bearing plate; 113-lower load-bearing plate; 114-joint; 115-structural connector; 116-connecting plate assembly; 1161-shear key; 1162-connecting plate; 117-connecting seat; 12-casting structure; 2-sling device; 3-main beam; 4-stiffening rib. DETAILED DESCRIPTION

[0039] The present invention is further described in detail below in conjunction with specific embodiments. However, this should not be understood as the scope of the above subject matter of the present invention being limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.

[0040] Unless otherwise specified, in the description of the specific embodiments of the present invention, the terms indicating the orientation or position relationship such as "upper", "lower", "left", "right", "center", "inside", "outside", etc. are based on the orientation or position relationship when the invented product / equipment / device is usually used. These terms of orientation or position relationship are only for the convenience of describing the scheme of the present invention or simplifying the description in the specific embodiments to facilitate the technicians to quickly understand the scheme, rather than indicating or implying that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific position relationship, and therefore cannot be understood as a limitation of the present invention.

[0041] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel" and the like appear, it does not mean that the corresponding devices / components / elements are required to be absolutely horizontal or vertical or overhanging or parallel, but may be slightly tilted or have deviations. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but may be slightly tilted. Alternatively, it can be simplified to mean that the corresponding devices / components / elements are set in directions such as "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably an error / deviation within ±8%, more preferably an error / deviation within ±6%, more preferably an error / deviation within ±5%, and more preferably an error / deviation within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the scheme of the present invention.

[0042] In addition, the expressions “first”, “second”, “third”, etc., which appear in the terms, are merely used to distinguish the description of the same or similar components and should not be understood as emphasizing or implying the relative importance of specific components.

[0043] In addition, in the description of the embodiments of the present invention, "several", "plurality" and "a number" represent at least 2. It can be any number such as 2, 3, 4, 5, 6, 7, 8, 9, and even more than 9.

[0044] In addition, in the description of the technical solution of the present invention, unless otherwise clearly specified / defined / restricted, the terms "set", "install", "connect", "connected", "provided with", "laid", and "arranged" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, and can be welding, riveting, bolting, threading, and other commonly used connection means in the field. This connection can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal connection of two elements.

[0045] Example 1

[0046] like Figures 1 to 3 A UHPC arch ring structure is shown, which is composed of a plurality of arch ring segments 1, and two adjacent arch ring segments 1 are detachably connected, which is convenient for transportation and installation of the arch ring structure; each arch ring segment includes a symmetrically arranged prefabricated UHPC web 11, and by setting the web as a UHPC structure, the compressive resistance and durability of the UHPC material are utilized to greatly improve the bearing capacity, crack resistance and durability of the arch ring structure, thereby extending the service life; and the web is a prefabricated web, which speeds up the construction speed, avoids pouring the web on site, speeds up the construction progress, and shortens the construction period; prefabricated UHPC The upper end and / or lower end of the web 11 is provided with a casting structure 12, and the casting structure 12 is ordinary concrete. By prefabricating the web with UHPC material, there is no need to cast the web on site during the construction process, and each prefabricated UHPC web 11 is in a spliced ​​form, avoiding the problem of formwork bursting of the cast-in-place web; the casting structure is cast with ordinary concrete. By matching the prefabricated UHPC web with the casting structure, the local strength and durability of the arch ring section can be improved while reducing the cost, avoiding the problem of using UHPC material throughout the arch ring section, which leads to excessive cost.

[0047] In one or more embodiments, stiffening ribs 4 are provided on the prefabricated UHPC webs 11 arranged relatively in the arch ring segment 1, and each stiffening rib 4 is arranged on a side of each of the UHPC webs 11 facing the inside of the arch ring segment 1;

[0048] Optionally, the stiffening ribs 4 may be longitudinal stiffening ribs or transverse stiffening ribs; a steel cross brace is required to be provided at the transverse stiffening rib between two relatively prefabricated UHPC webs 11, so as to avoid the problem of instability and tilting of the cast structure after the prefabricated UHPC webs 11 are hoisted into place and during casting.

[0049] In one or more embodiments, each prefabricated UHPC web 11 includes a vertical plate 111, an upper bearing plate 112 perpendicular to the vertical plate 111 is provided at the top of the vertical plate 111, and a lower bearing plate 113 perpendicular to the vertical plate 111 is provided at the bottom of the vertical plate 111. The upper bearing plate 112 and / or the lower bearing plate 113 are provided with a casting structure 12 at one end away from the vertical plate 111. By arranging the upper bearing plate 112 and the lower bearing plate 113 on the vertical plate 111, the overall front height and bearing capacity of the prefabricated UHPC web are increased, and the upper bearing plate 112 and the lower bearing plate 113 are used to evenly distribute the load on the vertical plate, thereby reducing stress concentration and effectively improving the bending resistance and durability of the structure. Figures 2 to 3 shown.

[0050] In one or more embodiments, each prefabricated UHPC web 11 is provided with a splicing portion 114 in its own longitudinal direction, and the splicing portions 114 on two adjacent prefabricated UHPC webs 11 along the longitudinal direction match each other;

[0051] Furthermore, each prefabricated UHPC web 11 is provided with a structural connector 15 on one side facing the inside of the arch ring segment 1, and the structural connector 15 enables two adjacent prefabricated UHPC webs 11 in the direction of the bridge to be spliced ​​and fixed. In this solution, a splicing portion 114 is provided on each prefabricated UHPC web 11, and the splicing portion 114 is used to achieve better matching of two adjacent prefabricated UHPC webs 11 in the direction of the bridge, thereby reducing the alignment time of the two prefabricated UHPC webs 11 when splicing, improving work efficiency, and then the structural connector 15 makes the two adjacent prefabricated UHPC webs 11 more firmly connected, such as Figure 6 and Figure 7 shown.

[0052] In one or more embodiments, the structural connector 15 includes a connecting plate assembly 116, one side of which is connected to the prefabricated UHPC web 11, and the other side is provided with a connecting seat 117, the connecting plate assembly 116 includes a shear key 1161, one end of the shear key 1161 is connected to the prefabricated UHPC web 11, and the other end is provided with a connecting plate 1162; the connecting plate 1162 is connected to the connecting seat 117 at one end away from the shear key 1161, and the shear force on the prefabricated UHPC web 11 is transmitted to the connecting seat 117 by setting the shear key 1161, so that the shear resistance of the structure is enhanced, and the stability of the arch ring under load is ensured, which is particularly suitable for engineering scenarios with large shear forces; the setting of the shear key provides a transition layer between the connecting plate and the web, avoids stress concentration caused by direct connection, makes the structure more evenly stressed, and thus reduces the risk of cracking or fatigue damage at the connection part, such as Figure 3 and Figure 7 shown.

[0053] Example 2

[0054] like Figure 4 A bridge shown includes a UHPC arch ring structure in Example 1. The bridge is provided with a sling device 2, one end of the sling device 2 is connected to the main beam 3, and the other end is connected to the arch ring structure. The bridge uses a UHPC arch ring structure. The UHPC material has extremely high strength and durability, so that the arch ring structure can carry a large load, effectively support the main beam of the bridge, and improve the bearing capacity of the overall structure. UHPC has a high strength-to-weight ratio. Under the premise of ensuring strength, it can reduce the dead weight of the bridge and reduce the foundation load of the bridge, thereby reducing material usage and reducing costs.

[0055] Example 3

[0056] like Figure 5 The construction method of a UHPC arch ring shown is for constructing a UHPC arch ring structure in Example 1. The specific construction method is:

[0057] S1. Build the construction site and equipment according to the construction specifications. The adequate preparation of the site and equipment provides a basic guarantee for the subsequent construction, ensuring that the construction can be carried out efficiently and safely. This step includes leveling the construction area, installing support equipment, placing concrete pouring equipment, and debugging and checking other construction auxiliary tools;

[0058] S2. After the construction site and equipment are set up, the prefabricated UHPC webs 11 in the arch ring section 1 are first constructed. Each arch ring section 1 includes a set of prefabricated UHPC webs 11;

[0059] S21, first install two sets of prefabricated UHPC webs 11 at the arch foot, and set them symmetrically with the center line of the bridge cross section as the symmetry axis. The webs at the arch foot provide initial stable support, which helps to balance the load distribution of the bridge. The symmetrical installation method not only improves the balance of the structure, but also ensures the accuracy of subsequent assembly work, and provides a benchmark for the shape of the entire arch ring;

[0060] S22. After the web plate at the arch foot is set, each subsequent set of prefabricated UHPC web plates 11 are installed in sequence. During the construction process, the assembly of each set of web plates is symmetrical with the center line of the bridge cross section as the symmetry axis. This method ensures the consistency of the force and shape of the entire arch ring, avoiding the occurrence of structural deviation and stress concentration. The step-by-step assembly method also facilitates the control of the construction process, facilitates detection and adjustment, and improves the construction quality;

[0061] S3, after completing the construction of all prefabricated UHPC webs 11, pouring the pouring structure 12;

[0062] S4. Construction completed.

[0063] In one or several embodiments, the cast structure includes a top plate and / or a bottom plate. When the cross-section of the arch ring structure is subjected to less stress and has better torsional stability, only the top plate needs to be cast and there is no need to cast the bottom plate.

[0064] In one or more embodiments, while casting the casting structure 12 in S3, it is necessary to perform tensile stress detection on the casting structure and the web, select a casting scheme based on the tensile stress value and the on-site construction environment, and perform subsequent casting according to the casting scheme;

[0065] Furthermore, the casting scheme includes ring division without segmentation, segmentation without ring division, and ring division and segmentation;

[0066] Ring-by-ring but not segment-by-segment means that the bottom plate of the entire arch ring is cast first, and then the top plate of the entire arch ring is cast, or the top plate of the entire arch ring is cast first, and then the bottom plate of the entire arch ring is cast;

[0067] Segmentation without rings means that the arch ring facade is divided into sections, and the top and bottom plates of each section are cast at the same time, and then the construction is carried out section by section;

[0068] Ring and segmentation means that the cast-in-place part is divided into a top plate ring and a bottom plate ring, and each ring is further divided into several sections longitudinally. The bottom plate ring is cast section by section first, and then the top plate ring is cast section by section, or the top plate ring is cast section by section first, and then the bottom plate ring is cast section by section.

[0069] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A UHPC arch ring structure, characterized in that: The arch ring comprises a plurality of arch ring segments (1), two adjacent arch ring segments (1) are detachably connected, the arch ring segments (1) comprise symmetrically arranged prefabricated UHPC webs (11), the upper end and / or the lower end of the prefabricated UHPC webs (11) are provided with a casting structure (12), and the casting structure (12) is cast using conventional concrete.

2. A UHPC arch ring structure according to claim 1, characterized in that: Each of the prefabricated UHPC webs (11) is provided with at least two stiffening ribs (4) on a side facing the inside of the arch ring.

3. A UHPC arch ring structure according to claim 1, characterized in that: The prefabricated UHPC web (11) comprises a vertical plate (111), an upper bearing plate (112) is provided at the top of the vertical plate (111), a lower bearing plate (113) is provided at the bottom of the vertical plate (111), and the upper bearing plate (112) and / or the lower bearing plate (113) are connected to the casting structure (12).

4. A UHPC arch ring structure according to any one of claims 1 to 3, characterized in that: The prefabricated UHPC web (11) is provided with a splicing portion (114) in the longitudinal direction of the web; two adjacent splicing portions (114) in the longitudinal direction of the web can match.

5. A UHPC arch ring structure according to claim 4, characterized in that: A structural connector (115) is provided on one side of the prefabricated UHPC web (11) facing the inside of the arch ring; two adjacent prefabricated UHPC webs (11) in the direction along the bridge are connected by the structural connector (115).

6. A UHPC arch ring structure according to claim 5, characterized in that: The structural connector (115) comprises a connecting plate assembly (116), one end of the connecting plate assembly (116) is connected to the prefabricated UHPC web (11), and the other end is provided with a connecting seat (117).

7. A UHPC arch ring structure according to claim 6, characterized in that: The connection plate assembly (116) comprises a shear key (1161), one end of the shear key (1161) is connected to the prefabricated UHPC web (11), and the other end is provided with a connection plate (1162); the end of the connection plate (1162) away from the shear key (1161) is connected to the connection seat (117).

8. The UHPC arch ring structure according to claim 1, characterized in that: The casting structure (12) body is a top plate and / or a bottom plate.

9. A bridge, characterized in that: It comprises a UHPC arch ring structure as claimed in any one of claims 1 to 8, and also comprises a sling device (2), wherein one end of the sling device (2) is connected to a main beam (3) and the other end is connected to the arch ring structure.

10. A construction method for a UHPC arch ring, characterized in that: A UHPC arch ring structure comprising any one of claims 1 to 8, wherein the method comprises: S1. Build the construction site and construction equipment according to the construction specifications; S2, after the construction is completed, the prefabricated UHPC webs (11) in the arch ring segment (1) are constructed, wherein each of the arch ring segments (1) comprises a group of the prefabricated UHPC webs (11); S21, firstly arranging two groups of the prefabricated UHPC webs (11) at the arch foot, wherein the two groups of the prefabricated UHPC webs (11) are symmetrically arranged with the center line of the bridge cross section as the symmetry axis; S22, after the construction of the two groups of the prefabricated UHPC webs (11) located at the arch foot is completed, each subsequent group of the prefabricated UHPC webs (11) is assembled, and each time the prefabricated UHPC webs (11) are assembled, the prefabricated UHPC webs (11) are always kept symmetrical with respect to the center line of the bridge cross section; S3, after the construction of the prefabricated UHPC web (11) in the arch ring section (1) is completed, the casting structure (12) is cast; S4. Construction completed.

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