Land frame body and method for simulating construction state of high-altitude bridge

Abstract

The invention provides a land frame body for simulating a high-altitude bridge construction state, which comprises symmetrically arranged two-side expanded foundations, symmetrically arranged two middle expanded foundations and symmetrically arranged two outer expanded foundations, side upright posts are mounted on the side expanded foundations, middle upright posts are mounted on the middle expanded foundations, outer upright posts are mounted on the outer expanded foundations, and the outer upright posts are mounted on the outer expanded foundations. The top ends of the side stand columns, the top ends of the middle stand columns and the top ends of the outer stand columns on the same side are fixed to a longitudinal beam at the same time, a middle platform and two side platforms are arranged between the two longitudinal beams, longitudinal connecting systems are arranged between the side stand columns and the middle stand columns, lateral connecting systems are arranged between the two side stand columns, and a middle connecting system is arranged between the two middle stand columns. The middle connecting system is provided with a beam body bottom plate simulation structure, the two middle stand columns are symmetrically provided with prepressing reaction frame connectors, a beam body flange simulation structure is arranged between the two longitudinal beams, and the longitudinal beams are provided with supporting leg supporting simulation structures. The device can simulate the construction process of land high-altitude bridge equipment and discover the problem that the equipment may be hidden.

Description

Technical Field

[0001] The invention belongs to the technical field of bridge construction, and in particular relates to a land frame and a method for simulating the construction state of a high-altitude bridge. Background Art

[0002] Most of the land-based high-altitude bridge construction uses equipment such as cantilever bridge erection machines or hanging baskets. During the construction process, due to the lack of pre-assembly, trial operation and strength preloading experiments, the equipment may not be installed smoothly on site, run smoothly and lack strength, making the equipment unable to work smoothly. If the equipment is disassembled and repaired, this process will consume a lot of manpower and time, resulting in project delays and increased engineering costs. In order to reduce the amount of engineering work, save time and labor costs, a land-based frame and design method that simulates the construction state of a high-altitude bridge was 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 frame and method for simulating the construction state of a high-altitude bridge.

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

[0005] A land frame simulating the construction state of a high-altitude bridge comprises symmetrically arranged two side enlarged foundations, symmetrically arranged two middle enlarged foundations, and symmetrically arranged two outer enlarged foundations, each side enlarged foundation is equipped with a side column, each middle enlarged foundation is equipped with a middle column, each outer enlarged foundation is equipped with an outer column, the tops of the side columns, middle columns and outer columns on the same side are fixed to a longitudinal beam at the same time, and an intermediate platform and two side platforms are arranged between the two longitudinal beams, a longitudinal connection system is arranged between the side columns and the middle columns, and a lateral connection system is arranged between the two side columns A connecting system is provided between the two middle columns; a beam bottom plate simulation structure is provided on the middle connecting system, and prestressing reaction frame joints are symmetrically provided on the two middle columns; a beam flange simulation structure is provided between the two longitudinal beams, and a leg support simulation structure is provided on each longitudinal beam; the middle connecting system includes two sets of upper and lower middle connecting rods, and the beam bottom plate simulation structure includes a horizontal support frame and an oblique support frame, one end of the horizontal support frame is fixed to the upper middle connecting rod, and the other end is fixed to the upper end of the oblique support frame, and the lower end of the oblique support frame is fixed to the lower middle connecting rod.

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

[0007] Furthermore, side column footings are provided between the side columns and the side enlarged foundations, middle column footings are provided between the middle columns and the middle enlarged foundations, and outer column footings are provided between the outer columns and the outer enlarged foundations.

[0008] Furthermore, among the side platforms respectively arranged at both ends of the longitudinal beam, one side platform is arranged corresponding to the side column, and the other side platform is arranged corresponding to the outer column.

[0009] Furthermore, the middle platform is arranged corresponding to the middle column.

[0010] Furthermore, the longitudinal connection system includes two groups of upper and lower longitudinal connection rods, and an oblique connection rod is provided between the two longitudinal connection rods.

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

[0012] A construction method for a land frame simulating a high-altitude bridge construction state specifically comprises the following steps:

[0013] S1. Determine the design scheme of the frame structure simulating the high-altitude construction state;

[0014] S2. Lay out embedded parts and expand the foundation of each part;

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

[0016] S4. After the structural installation is completed, the equipment is installed, operated and strength tested on the frame;

[0017] S5. Deliver for use.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] The land frame for simulating the construction state of a high-altitude bridge provided by the invention can be applicable to the construction state of a high-altitude bridge on land. Before the equipment is delivered, installation, operation and strength experiments can be carried out through the land-based frame simulating the high-altitude construction state. The application of this method can reduce some installation, operation and strength problems that arise after the delivery of the equipment, thereby improving work efficiency and reducing labor and engineering costs while ensuring the project cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0021] Figure 1 It is a elevation view of the land frame simulating the construction state of the high-altitude bridge according to the present invention;

[0022] Figure 2 The inside view of the onshore frame simulating the construction state of the high-altitude bridge according to the present invention;

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

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

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

[0026] Figure 6 for Figure 1 Sectional view along 3-3 direction;

[0027] Figure 7 for Figure 1 Cross-sectional view along direction 2-2. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0030] In the description of the invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the invention can be understood according to specific circumstances.

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

[0032] A land frame that simulates the construction status of a high-altitude bridge, such as Figures 1 to 7As shown, it includes symmetrically arranged two side enlarged foundations 11, symmetrically arranged two middle enlarged foundations 12, and symmetrically arranged two outer enlarged foundations 13. Each side enlarged foundation is installed with a side column, each middle enlarged foundation is installed with a middle column, and each outer enlarged foundation is installed with an outer column. The tops of the side columns 2, middle columns 3, and outer columns 4 on the same side are fixed to a longitudinal beam 1 at the same time, and an intermediate platform 6 and two side platforms 5 are provided between the two longitudinal beams. Among the side platforms respectively provided at both ends of the longitudinal beam, one side platform is arranged corresponding to the side column, and the other side platform is arranged corresponding to the outer column.

[0033] A longitudinal connection system 14 is provided between the side columns and the middle columns, a lateral connection system 15 is provided between the two side columns, and an intermediate connection system 16 is provided between the two middle columns; a beam bottom plate simulation structure 10 is provided on the intermediate connection system, and preload reaction frame joints 9 are symmetrically provided on the two middle 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 beam, and the steel frames are made of horizontally arranged I-shaped steel.

[0034] The intermediate connection system includes two sets of upper and lower intermediate connection rods. The intermediate platform is arranged corresponding to the intermediate column. The longitudinal connection system includes two sets of upper and lower longitudinal connection rods, and an oblique connection rod is arranged between the two longitudinal connection rods. The top of the side column, the top of the middle column and the top of the outer column are all provided with pile caps, for example, the top of the side column is provided with a side column pile cap 17, and the top of the middle column is provided with a middle column pile cap 18.

[0035] The beam bottom plate simulation structure includes a horizontal support frame 101 and an oblique support frame 102. One end of the horizontal support frame is fixed to the middle connecting rod at the top, and the other end is fixed to the upper end of the oblique support frame. The lower end of the oblique support frame is fixed to the middle connecting rod at the bottom. The beam flange simulation structure includes an outrigger support frame 71 on the outside of the longitudinal beam, and an oblique stabilizing rod 72 is provided between the outrigger support frame and the longitudinal connecting rod at the top of the longitudinal connecting system. Both the beam bottom plate simulation structure and the beam flange simulation structure have good structural stability.

[0036] The side columns are installed on the embedded parts of the side enlarged foundation, the middle columns are installed on the embedded parts of the middle enlarged foundation, and the outer columns are installed on the embedded parts of the outer enlarged foundation. Side column foot 19 is provided between the side columns and the side enlarged foundation, middle column foot 20 is provided between the middle columns and the middle enlarged foundation, and outer column foot 21 is provided between the outer columns and the outer enlarged foundation.

[0037] A construction method for a land frame simulating a high-altitude bridge construction state specifically comprises the following steps:

[0038] S1. Determine the design scheme of the frame structure simulating the high-altitude construction state;

[0039] S2. Lay out embedded parts and expand the foundation of each part;

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

[0041] S4. After the structural installation is completed, the equipment is installed, operated and strength tested on the frame;

[0042] S5. Deliver for use.

[0043] The present invention is suitable for simulating in advance and dealing with problems that may occur during the construction process of high-altitude bridge equipment on land, such as problems with on-site installation of equipment, inability to run smoothly after installation, and insufficient strength during operation, which prevent the project from being carried out smoothly and increase the project cycle. Using the land frame and method for simulating the construction status of a high-altitude bridge provided by the present invention, the construction process of high-altitude bridge equipment on land can be simulated, and problems that may be hidden in the equipment can be discovered, solved and delivered in advance, ensuring the smooth progress of the project, and reducing the number of maintenance times, effectively saving a lot of manpower and time costs, saving engineering costs, having great promotion value, and good social benefits.

[0044] 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, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A land frame simulating the construction state of a high-altitude bridge, characterized by: It includes symmetrically arranged two side enlarged foundations, symmetrically arranged two middle enlarged foundations, and symmetrically arranged two outer enlarged foundations. Each side enlarged foundation is installed with a side column, each middle enlarged foundation is installed with a middle column, and each outer enlarged foundation is installed with an outer column. The top ends of the side columns, middle columns and outer columns on the same side are fixed to a longitudinal beam at the same time, and 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 middle columns; a beam bottom plate simulation structure is provided on the intermediate connection system, and prestressing reaction frame joints are symmetrically provided on the two middle columns, a beam flange simulation structure is provided between the two longitudinal beams, and a leg support simulation structure is provided on each longitudinal beam; the intermediate connection system includes two sets of upper and lower intermediate connection rods, and the beam bottom plate simulation structure includes a horizontal support frame and an oblique support frame, one end of the horizontal support frame is fixed to the upper intermediate connection rod, and the other end is fixed to the upper end of the oblique support frame, and the lower end of the oblique support frame is fixed to the lower intermediate connection rod.

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

3. The land frame for simulating the construction state of a high-altitude bridge according to claim 1, characterized in that: A side column foot is arranged between the side column and the side enlarged foundation, an intermediate column foot is arranged between the intermediate column and the intermediate enlarged foundation, and an outer column foot is arranged between the outer column and the outer enlarged foundation.

4. The land frame for simulating the construction state of a high-altitude bridge according to claim 1, characterized in that: In the side platforms respectively arranged at both ends of the longitudinal beam, one side platform is arranged corresponding to the side column, and the other side platform is arranged corresponding to the outer column.

5. The land frame for simulating the construction state of a high-altitude bridge according to claim 1, characterized in that: The middle platform is arranged corresponding to the middle column.

6. The land frame for simulating the construction state of a high-altitude bridge according to claim 1, characterized in that: The longitudinal connection system comprises two groups of upper and lower longitudinal connection rods, and an oblique connection rod is arranged between the two longitudinal connection rods.

7. The land frame for simulating the construction state of a high-altitude 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 method for constructing a land frame simulating a high-altitude bridge construction state as claimed in any one of claims 1 to 7, characterized in that: The steps include: S1. Determine the design scheme of the frame structure simulating the high-altitude construction state; S2. Lay out embedded parts and expand the foundation of each part; S3. Arrange a frame structure on land simulating high-altitude construction status above each expanded foundation; S4. After the structural installation is completed, the equipment is installed, operated and strength tested on the frame; S5. Deliver for use.

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