A land-based scaffolding structure and method for simulating the construction state of high-altitude bridges

By designing a land-based frame that simulates the construction conditions of a high-altitude bridge, the problems of unsuccessful equipment installation and insufficient strength were solved. This enabled the discovery and resolution of problems before equipment delivery, improving construction efficiency and reducing costs.

CN119824774BActive Publication Date: 2026-05-26CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP CO LTD
Filing Date
2025-01-02
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In existing technologies, cantilever bridge erecting machines or hanging baskets are not pre-assembled, test-run, and pre-stressed during high-altitude bridge construction, resulting in unsuccessful equipment installation, poor operation, and insufficient strength, which increases project costs and construction period.

Method used

Design a land-based frame to simulate the construction state of an aerial bridge, including symmetrically arranged foundations and columns, installation of longitudinal beams and connecting systems, setting up platforms and support structures, fixing them with embedded parts, and conducting equipment installation, operation and strength tests to ensure that problems are discovered and resolved before equipment delivery.

Benefits of technology

By simulating the construction of high-altitude bridges on land, we can reduce installation, operation, and strength issues after equipment delivery, improve work efficiency, save manpower and engineering costs, and ensure project timelines.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention provides a land-based frame structure simulating the construction of an aerial bridge, comprising symmetrically arranged lateral enlarged foundations, two symmetrically arranged intermediate enlarged foundations, and two symmetrically arranged outer enlarged foundations. Side columns are installed on the lateral enlarged foundations, intermediate columns on the intermediate enlarged foundations, and outer columns on the outer enlarged foundations. The tops of the lateral, intermediate, and outer columns on the same side are simultaneously fixed to a longitudinal beam. An intermediate platform and two lateral platforms are provided between the two longitudinal beams. A longitudinal connection system is provided between the lateral and intermediate columns, a lateral connection system is provided between the lateral columns, and an intermediate connection system is provided between the two intermediate columns. A simulated beam bottom plate structure is provided on the intermediate connection system. Pre-stressing reaction frame joints are symmetrically arranged on the two intermediate columns. A simulated beam flange structure is provided between the two longitudinal beams, and a simulated outrigger support structure is provided on the longitudinal beams. This invention can simulate the construction process of land-based aerial bridge equipment and identify potential hidden problems in the equipment.
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Description

Technical Field

[0001] This invention belongs to the field of bridge construction technology, and in particular relates to a land-based structure and method for simulating the construction state of high-altitude bridges. Background Technology

[0002] Most onshore high-altitude bridge construction utilizes equipment such as cantilever bridge erecting machines or hanging baskets. During construction, the lack of pre-assembly, trial operation, and strength pre-stressing tests can lead to problems such as installation difficulties, operational malfunctions, and insufficient strength, rendering the equipment unusable. Disassembly and repair of the equipment consume significant manpower and time, causing project delays and increased costs. To reduce the workload and save time and labor costs, a land-based framework and design method simulating the construction conditions of high-altitude bridges has been invented. Summary of the Invention

[0003] In view of this, the present invention aims to overcome the defects in the prior art and proposes a land-based frame structure and method for simulating the construction state of high-altitude bridges.

[0004] To achieve the above objectives, the technical solution created by this invention is implemented as follows:

[0005] A land-based frame simulating the construction of an aerial bridge includes symmetrically arranged two-sided enlarged foundations, two symmetrically arranged intermediate enlarged foundations, and two symmetrically arranged outer enlarged foundations. Each lateral enlarged foundation is equipped with a side column, each intermediate enlarged foundation with a central column, and each outer enlarged foundation with an outer column. The tops of the side columns, central columns, and outer columns on the same side are simultaneously fixed to a longitudinal beam. An intermediate platform and two side platforms are provided between the two longitudinal beams. A longitudinal connection system connects the side columns to the central columns, and a lateral connection system connects the two side columns. The system includes an intermediate connecting system between two intermediate columns; a beam base plate simulated structure is provided on the intermediate connecting system, and preload reaction frame joints are symmetrically provided on the two intermediate columns; a beam flange simulated structure is provided between the two longitudinal beams, and a leg support simulated structure is provided on each longitudinal beam; the intermediate connecting system includes two sets of intermediate connecting rods, and the beam base plate simulated structure includes a horizontal support frame and an inclined support frame. One end of the horizontal support frame is fixed to the upper intermediate connecting rod, and the other end is fixed to the upper end of the inclined support frame. The lower end of the inclined support frame is fixed to the lower intermediate connecting rod.

[0006] Furthermore, the side columns are installed in the embedded parts of the side enlarged foundation, the middle columns are installed in the embedded parts of the middle enlarged foundation, and the outer columns are installed in the embedded parts of the outer enlarged foundation.

[0007] Furthermore, a side column base is provided between the side column and the side enlarged foundation, a middle column base is provided between the middle column and the middle enlarged foundation, and an outer column base is provided between the outer column and the outer enlarged foundation.

[0008] Furthermore, among the side platforms set at both ends of the longitudinal beam, one side platform is arranged with side columns, and the other side platform is arranged with outer columns.

[0009] Furthermore, the central platform is arranged to correspond to the central pillar.

[0010] Furthermore, the longitudinal connection system includes two sets of longitudinal connecting rods, one above the other, and an oblique connecting rod is provided between the two longitudinal connecting rods.

[0011] Furthermore, pile caps are provided at the top of the side columns, the top of the middle columns, and the top of the outer columns.

[0012] A construction method for a land-based structure simulating the construction of an aerial bridge includes the following steps:

[0013] S1. Determine the structural design scheme for the frame under simulated high-altitude construction conditions;

[0014] S2. Lay out embedded parts and enlarged foundations for each part;

[0015] S3. Arrange a land-based frame structure simulating high-altitude construction conditions above each expanded foundation;

[0016] S4. After the structure is installed, the equipment will be installed, operated and tested for strength on the frame.

[0017] S5, delivered and put into use.

[0018] Compared with existing technologies, the present invention has the following advantages:

[0019] The land-based scaffolding structure provided by this invention, which simulates the construction state of high-altitude bridges, is applicable to land-based high-altitude bridge construction. Before the equipment is delivered, installation, operation, and strength tests can be conducted using the land-based scaffolding structure that simulates the construction state of high-altitude bridges. Applying this method can reduce some installation, operation, and strength problems that may occur after the equipment is delivered, thereby improving work efficiency and reducing labor and engineering costs while ensuring the project cycle is met. Attached Figure Description

[0020] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments and descriptions of the invention are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0021] Figure 1 This is an elevation view of the land-based structure simulating the construction state of a high-altitude bridge as described in this invention.

[0022] Figure 2 This is an internal view of the land-based frame structure simulating the construction state of a high-altitude bridge as described in this invention.

[0023] Figure 3 for Figure 1 A sectional view along the 1-1 direction;

[0024] Figure 4 for Figure 1 A sectional view along the 4-4 direction;

[0025] Figure 5 for Figure 1 A sectional view along the 5-5 direction;

[0026] Figure 6 for Figure 1 A sectional view along the 3-3 direction;

[0027] Figure 7 for Figure 1 Sectional view along the 2-2 direction. Detailed Implementation

[0028] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0029] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0030] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] The invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0032] A land-based scaffolding structure simulating the construction process of an aerial bridge, such as Figures 1 to 7As shown, the structure includes symmetrically arranged enlarged foundations on both sides 11, symmetrically arranged intermediate enlarged foundations 12, and symmetrically arranged outer enlarged foundations 13. Each symmetrically arranged enlarged foundation has a side column, each intermediate enlarged foundation has an intermediate column, and each outer enlarged foundation has an outer column. The tops of the side columns 2, intermediate columns 3, and outer columns 4 on the same side are all simultaneously fixed to a longitudinal beam 1. An intermediate platform 6 and two side platforms 5 are provided between the two longitudinal beams. Of the side platforms provided at both ends of the longitudinal beams, one side platform corresponds to the side column, and the other side platform corresponds to the outer column.

[0033] A longitudinal connection system 14 is provided between the side columns and the intermediate columns, a lateral connection system 15 is provided between the two side columns, and an intermediate connection system 16 is provided between the two intermediate columns; a beam bottom plate simulation structure 10 is provided on the intermediate connection system, and a preload reaction frame joint 9 is symmetrically provided on the two intermediate columns; a beam flange simulation structure 7 is provided between the two longitudinal beams, and a leg support simulation structure 8 is provided on each longitudinal beam. The leg support simulation structure includes steel frames symmetrically arranged on both sides of the longitudinal beams, and the steel frames are made of horizontally arranged I-beams.

[0034] The intermediate connection system includes two sets of intermediate connecting rods, one above the other. The intermediate platform is arranged corresponding to the intermediate column. The longitudinal connection system includes two sets of longitudinal connecting rods, one above the other, and an oblique connecting rod is provided between the two longitudinal connecting rods. Pile caps are provided at the top of the side column, the top of the intermediate column, and the top of the outer column. For example, a side column pile cap 17 is provided at the top of the side column, and an intermediate column pile cap 18 is provided at the top of the intermediate column.

[0035] The simulated structure of the beam's base plate includes a horizontal support frame 101 and an inclined support frame 102. One end of the horizontal support frame is fixed to the upper intermediate connecting rod, and the other end is fixed to the upper end of the inclined support frame. The lower end of the inclined support frame is fixed to the lower intermediate connecting rod. The simulated structure of the beam's flange includes an extended support frame 71 on the outer side of the longitudinal beam. An inclined stabilizing rod 72 is provided between the extended support frame and the upper longitudinal connecting rod of the longitudinal connection system. Both the simulated structure of the beam's base plate and the simulated structure of the beam's flange exhibit good structural stability.

[0036] The side columns are installed in the embedded parts of the side enlarged foundation, the middle columns are installed in the embedded parts of the middle enlarged foundation, and the outer columns are installed in the embedded parts of the outer enlarged foundation. There is a side column foot 19 between the side columns and the side enlarged foundation, a middle column foot 20 between the middle columns and the middle enlarged foundation, and an outer column foot 21 between the outer columns and the outer enlarged foundation.

[0037] A construction method for a land-based structure simulating the construction of an aerial bridge includes the following steps:

[0038] S1. Determine the structural design scheme for the frame under simulated high-altitude construction conditions;

[0039] S2. Lay out embedded parts and enlarged foundations for each part;

[0040] S3. Arrange a land-based frame structure simulating high-altitude construction conditions above each expanded foundation;

[0041] S4. After the structure is installed, the equipment will be installed, operated and tested for strength on the frame.

[0042] S5, delivered and put into use.

[0043] This invention is applicable to simulating and addressing potential problems during the construction of land-based aerial bridge equipment, such as on-site installation issues, equipment malfunctions after installation, and insufficient strength during operation, which could hinder project progress and extend the project cycle. By utilizing the land-based frame and method for simulating aerial bridge construction provided by this invention, the construction process of land-based aerial bridge equipment can be simulated, potential hidden problems can be identified, resolved in advance, and the equipment delivered, ensuring smooth project progress, reducing maintenance frequency, effectively saving significant manpower and time costs, and reducing project expenses. It has significant promotional value and good social benefits.

[0044] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A land-based scaffolding structure simulating the construction state of an aerial bridge, characterized in that: The structure includes symmetrically arranged enlarged foundations on both sides, two symmetrically arranged intermediate enlarged foundations, and two symmetrically arranged outer enlarged foundations. Each symmetrically arranged enlarged foundation has a side column, each intermediate enlarged foundation has a middle column, and each outer enlarged foundation has an outer column. The tops of the side columns, middle columns, and outer columns on the same side are all fixed to a longitudinal beam. An intermediate platform and two side platforms are provided between the two longitudinal beams. A longitudinal connection system is provided between the side columns and the middle columns, a lateral connection system is provided between the two side columns, and an intermediate connection system is provided between the two intermediate columns. A beam bottom plate simulated structure is provided on the intermediate connection system, and preload reaction frame joints are symmetrically provided on the two intermediate columns. A beam flange simulated structure is provided between the two longitudinal beams, and a leg support simulated structure is provided on each longitudinal beam. The intermediate connection system includes two sets of intermediate connecting rods, and the beam bottom plate simulated structure includes a horizontal support frame and an inclined support frame. One end of the horizontal support frame is fixed to the upper intermediate connecting rod, and the other end is fixed to the upper end of the inclined support frame. The lower end of the inclined support frame is fixed to the lower intermediate connecting rod.

2. The land-based scaffolding structure simulating the construction state of a high-altitude bridge according to claim 1, characterized in that: The side columns are installed in the embedded parts of the side enlarged foundation, the middle columns are installed in the embedded parts of the middle enlarged foundation, and the outer columns are installed in the embedded parts of the outer enlarged foundation.

3. The land-based scaffolding structure simulating the construction state of an aerial bridge according to claim 1, characterized in that: The side columns are provided with side column feet between the side columns and the side enlarged foundations, the middle columns are provided with middle column feet between the middle columns and the middle enlarged foundations, and the outer columns are provided with outer column feet between the outer columns and the outer enlarged foundations.

4. A land-based scaffolding structure simulating the construction state of an aerial bridge according to claim 1, characterized in that: The side platforms set at both ends of the longitudinal beam have side columns on one side and external columns on the other side.

5. A land-based scaffolding structure simulating the construction state of an aerial bridge according to claim 1, characterized in that: The central platform is arranged to correspond to the central column.

6. A land-based scaffolding structure simulating the construction state of an aerial bridge according to claim 1, characterized in that: The longitudinal connection system includes two sets of longitudinal connecting rods, one above the other, and an oblique connecting rod is provided between the two longitudinal connecting rods.

7. A land-based scaffolding structure simulating the construction state of an aerial bridge according to claim 1, characterized in that: Pile caps are provided at the top of the side columns, the top of the middle columns, and the top of the outer columns.

8. A construction method for a land-based structure simulating the construction state of an aerial bridge as described in any one of claims 1 to 7, characterized in that, Includes the following steps: S1. Determine the structural design scheme for the frame under simulated high-altitude construction conditions; S2. Lay out embedded parts and enlarged foundations for each part; S3. Arrange a land-based frame structure simulating high-altitude construction conditions above each expanded foundation; S4. After the structure is installed, the equipment will be installed, operated and tested for strength on the frame. S5, delivered and put into use.