Fabricated concrete totally-closed sound barrier for double-track railway and design method

Abstract

The invention provides a double-track railway assembly type concrete totally-closed sound barrier and a design method, and relates to the field of totally-closed sound barriers, the double-track railway assembly type concrete totally-closed sound barrier comprises two stand column mechanisms, a sound insulation wallboard mechanism, a column top frame beam mechanism, a T-shaped roof truss beam mechanism and a sound insulation top plate mechanism. All building components of the main body structure are basically prefabricated and processed in a factory-like mode, railway line space does not need to be occupied on site, large-area formwork structure supporting is not needed, the using amount of turnover materials is small, and the using amount of operators is small. The movable crane can be adopted for assembly construction, the marketization level is high, flexible application can be achieved according to site conditions, a special tower crane does not need to be arranged, and the hoisting efficiency is high; the overall design method of hoisting and splicing is adopted, rigid closing does not need to be conducted on the railway line, the construction requirement can be met according to normal existing line construction, and the popularization value is high.

Description

Technical Field

[0001] The present invention relates to the field of fully enclosed sound barriers, and in particular to a double-track railway assembled concrete fully enclosed sound barrier and a design method thereof. Background Art

[0002] Fully enclosed sound barriers are an environmental protection facility used to reduce railway noise, especially in high-speed railways and elevated roads. Fully enclosed sound barriers significantly reduce noise transmission through their structural design. Compared with traditional upright sound barriers, fully enclosed sound barriers can more effectively reduce the impact of noise on the surrounding environment, especially for sensitive areas along the line such as schools and hospitals.

[0003] As an advanced noise reduction measure, fully enclosed sound barriers not only effectively reduce the impact of railway noise on the surrounding environment, but also show significant advantages in ecological protection and wind load bearing. With the continuous advancement of technology and the promotion of its application, fully enclosed sound barriers will play an important role in more fields in the future and contribute to the construction of a more harmonious environment.

[0004] However, the existing fully enclosed sound barrier structure and construction have the following problems:

[0005] (1) The construction of a fully enclosed sound barrier structure requires the construction of a large-scale formwork structure in the space of the railway line, which requires a large amount of manpower and formwork materials, and the process of dismantling the structure produces a lot of waste, is not environmentally friendly, and takes a long time;

[0006] (2) Large-scale cast-in-place construction requires a dedicated tower crane, which is difficult to install and dismantle;

[0007] (3) For construction on existing lines, the construction of cast-in-place concrete structures requires the adoption of rigid fully enclosed lifting for the existing lines in advance to ensure that the construction of the superstructure does not affect the normal operation of the railway.

[0008] Therefore, how to propose solutions to the above problems has become an urgent problem to be solved by those skilled in the art. Summary of the invention

[0009] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a double-track railway assembled concrete fully enclosed sound barrier and design method. The present invention adopts a prefabricated assembly design, and the building components of the main structure are basically all prefabricated in the factory; the present invention can adopt a mobile crane for assembly construction, and has a high level of marketization and high lifting efficiency; the present invention adopts a hoisting and assembly design method as a whole, and there is no need to rigidly close the railway line. Construction needs can be met by constructing according to normal existing lines, and the promotion value is great.

[0010] The present invention is achieved through the following technical solutions:

[0011] A double-track railway assembled concrete fully enclosed sound barrier, the fully enclosed sound barrier cover is arranged on the double-track railway, the fully enclosed sound barrier comprises two groups of column mechanisms, a sound insulation wall panel mechanism, a column top frame beam mechanism, a T-shaped roof beam mechanism and a sound insulation top plate mechanism, wherein;

[0012] The column mechanism is symmetrically arranged on the left and right sides of the double-track railway, and the lower end of the column mechanism is fixedly connected to the foundation;

[0013] The sound insulation wall panel mechanism is arranged on the outer side of the column mechanism;

[0014] The column top frame beam mechanism is fixedly connected to the upper end of the column mechanism;

[0015] The two ends of the T-shaped roof beam mechanism are fixedly connected to the column top frame beam mechanism and the column mechanism through a connecting assembly, and the lower side surface of the T-shaped roof beam mechanism abuts against the top surface of the column top frame beam mechanism;

[0016] The sound insulation top plate mechanism is laid on the T-shaped roof beam mechanism.

[0017] It can be seen that in the above technical scheme, the fully enclosed sound barrier of the present invention adopts a prefabricated and assembled design, and the building components of the main structure are basically all prefabricated in the factory. It does not need to occupy the railway line space on site, and there is no need to carry out large-area formwork structure support. The amount of turnover materials and the number of operating workers are small; the present invention can adopt a mobile crane for assembly construction, and has a high level of marketization. It can be flexibly applied according to site conditions, does not need to set up a special tower crane, and has a high lifting efficiency; the present invention adopts a hoisting and assembly design method as a whole, and there is no need to rigidly close the railway line. Construction needs can be met by constructing according to normal existing lines.

[0018] According to the above technical solution, preferably, the column mechanism includes main frame columns and auxiliary frame columns arranged at intervals, the column top frame beam mechanism includes two groups of left-right symmetrical column top frame beam units, the column top frame beam units are arranged along the track direction, and the T-shaped roof truss beam mechanism includes T-shaped roof truss beam units arranged in sequence, wherein;

[0019] The lower ends of the main frame columns and the auxiliary frame columns are fixedly connected to the foundation;

[0020] The upper ends of the main frame columns are fixedly connected to the column top frame beam mechanism and the T-shaped roof beam mechanism through the connection assembly;

[0021] The upper end of the auxiliary frame column is connected to the column top frame beam mechanism by mortise and tenon joints.

[0022] According to the above technical solution, preferably, the T-shaped roof beam unit includes a T-shaped roof beam body and two groups of symmetrically arranged roof beam supports;

[0023] Two sets of roof beam supports are integrally fixedly connected to both ends of the T-shaped roof beam body;

[0024] The roof beam support is provided with a penetrating corrugated hole.

[0025] According to the above technical solution, preferably, the connection assembly includes reserved steel bars, connecting steel bars and a straight threaded sleeve, wherein;

[0026] The main part of the reserved steel bars is buried inside the main frame columns;

[0027] After the column top frame beam unit is assembled in place, the two ends of the column top frame beam unit are placed on the edge of the column mechanism;

[0028] The connecting steel bar is coaxially fixedly connected with the reserved steel bar through a straight threaded sleeve;

[0029] The T-shaped roof beam unit is hoisted into place, the connecting steel bars are inserted into the corrugated holes of the roof beam support that is hoisted into place, and the corrugated holes of the roof beam support are poured with high-strength grouting material.

[0030] According to the above technical solution, preferably, the upper part of the auxiliary frame column is provided with a mortise that is compatible with the column top frame beam unit, the side of the mortise is provided with a guard wall connected to the roof truss beam support of the T-shaped roof truss beam unit, and the upper part of the guard wall is reserved with reserved connecting steel bars connected to the roof truss beam support.

[0031] According to the above technical solution, preferably, the sound insulation wall panel mechanism includes sound insulation wall panel units arranged in sequence, and the outer sides of the main frame columns and the auxiliary frame columns are provided with vertical slots adapted to the sound insulation wall panel units, and the two ends of the sound insulation wall panel units are hoisted and inserted into the vertical slots of the main frame columns and the auxiliary frame columns.

[0032] According to the above technical solution, preferably, the sound insulation top plate mechanism comprises sound insulation top plate units arranged in sequence, and both ends of the sound insulation top plate units are fixedly connected to the T-shaped roof beam units by first anchoring and then casting.

[0033] According to the above technical solution, preferably, it also includes a digital construction system, which includes a positioning component, a numbering component, a signal receiver and a simulation terminal, wherein;

[0034] The digital twin model of the fully enclosed sound barrier is built into the simulation terminal. The digital twin model pre-numbers each building component of the prefabricated column mechanism, sound insulation wall panel mechanism, column top frame beam mechanism, T-shaped roof beam mechanism and sound insulation top plate mechanism. The numbering of each building component has been completed when it is in the factory preparation stage.

[0035] The positioning assembly is detachably connected to the column mechanism, the sound insulation wall panel mechanism, the column top frame beam mechanism, the T-shaped roof beam mechanism and the sound insulation top panel mechanism;

[0036] The numbered components include a QR code of a building component painted on a column mechanism, a sound insulation wall panel mechanism, a column top frame beam mechanism, a T-shaped roof beam mechanism, and a sound insulation top panel mechanism, and the QR code of the building component includes data information such as the production date, number, length, width, and height of each building component;

[0037] The signal receiver is used to scan the QR code information of building components and determine the location of positioning components, and match the relevant information with the digital twin model.

[0038] The present invention also discloses a design method for a double-track railway assembled concrete fully enclosed sound barrier, which is used to design the above-mentioned double-track railway assembled concrete fully enclosed sound barrier, comprising the following steps:

[0039] Step 1: prefabricate the column mechanism, the sound insulation wall panel mechanism, the column top frame beam mechanism, the T-shaped roof beam mechanism and the sound insulation top plate mechanism in the factory;

[0040] Step 2: hoist the column mechanism into place, and the column mechanism includes a main frame column and an auxiliary frame column. The lower ends of the main frame column and the auxiliary frame column are connected to the foundation socket by a cup mouth, and the upper part of the main frame column is provided with a reserved steel bar;

[0041] Step 3: hoist the sound insulation wall panel mechanism, and hoist and clip the two ends of the sound insulation wall panel mechanism into the vertical slots on the outside of the main frame column and the auxiliary frame column;

[0042] Step 4: hoist the column top frame beam mechanism into place. At this time, the two groups of column top frame beam units of the column top frame beam mechanism are arranged along the track, and the two ends of the column top frame beam units are placed on the edge of the column mechanism;

[0043] Step 5: The staff connects the connecting steel bar to the reserved steel bar through a straight threaded sleeve and fixes it coaxially; hoist the T-shaped roof beam unit into place, insert the connecting steel bar into the corrugated hole of the hoisted roof beam support, set up a casting template in the connection area between the column mechanism and the roof beam support, and pour high-strength grouting material into the corrugated hole of the roof beam support;

[0044] Step 6: hoist the sound insulation top plate mechanism, and the two ends of the sound insulation top plate unit of the sound insulation top plate mechanism are fixedly connected with the T-shaped roof beam unit by a method of first anchoring and then pouring.

[0045] The beneficial effects of the present invention are:

[0046] (1) The fully enclosed sound barrier of the present invention adopts a prefabricated and assembled design. The building components of the main structure are basically all prefabricated in the factory. There is no need to occupy the railway line space on site, and there is no need to carry out large-area formwork structure support. The amount of turnover materials and the number of operating workers are small;

[0047] (2) The present invention can use a mobile crane for assembly construction, has a high level of marketability, can be flexibly applied according to site conditions, does not require the installation of a special tower crane, and has a high lifting efficiency;

[0048] (3) The present invention adopts a hoisting and assembling design method as a whole, and there is no need to rigidly close the railway line. The construction needs can be met by constructing according to the normal existing line. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] Figure 1 A schematic cross-sectional structure diagram of a fully enclosed sound barrier of the present invention is shown;

[0050] Figure 2 A schematic diagram of the exterior facade of the fully enclosed sound barrier of the present invention is shown;

[0051] Figure 3 A schematic top view of the node connection between the column mechanism and the sound insulation wall panel mechanism of the fully enclosed sound barrier of the present invention is shown;

[0052] Figure 4 A schematic front view of the node connection of the column mechanism, the column top frame beam mechanism, and the T-shaped roof truss beam mechanism in the fully enclosed sound barrier of the present invention is shown;

[0053] Figure 5 A schematic top view of the node connections of the main frame columns, the column top frame beam mechanism, and the T-shaped roof beam mechanism in the fully enclosed sound barrier of the present invention is shown;

[0054] Figure 6 A schematic cross-sectional view of the node connections of the main frame columns, the column top frame beam mechanism, and the T-shaped roof beam mechanism in the fully enclosed sound barrier of the present invention is shown;

[0055] Figure 7 A schematic top view of the node connections of the main frame columns, the column top frame beam mechanism, and the T-shaped roof beam mechanism in the fully enclosed sound barrier of the present invention is shown;

[0056] Figure 8 A schematic cross-sectional view of the node connections of the auxiliary frame columns, the column top frame beam mechanism, and the T-shaped roof truss beam mechanism in the fully enclosed sound barrier of the present invention is shown;

[0057] Description of reference numerals:

[0058] 1. Column mechanism; 2. Sound insulation wall panel mechanism; 3. Column top frame beam mechanism; 4. T-shaped roof beam mechanism; 5. Sound insulation roof plate mechanism; 6. Foundation; 7. Main frame column; 8. Auxiliary frame column; 9. Sound insulation wall panel unit; 10. Vertical slot; 11. Column top frame beam unit; 12. T-shaped roof beam body; 13. Roof beam support; 14. Sound insulation roof plate unit; 15. Reserved steel bars; 16. Connecting steel bars; 17. Straight threaded sleeve. DETAILED DESCRIPTION

[0059] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and the best embodiment. Based on the embodiments in the invention, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the invention.

[0060] In the description of the invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the invention.

[0061] Example 1

[0062] As shown in the figure, this embodiment provides a double-track railway assembled concrete fully enclosed sound barrier, the fully enclosed sound barrier cover is arranged on the double-track railway, and the fully enclosed sound barrier includes two groups of column mechanisms 1, sound insulation wall panel mechanisms 2, column top frame beam mechanisms 3, T-shaped roof truss beam mechanisms 4 and sound insulation top plate mechanisms 5, wherein;

[0063] The column mechanism 1 is symmetrically arranged on the left and right sides of the double-track railway, and the lower end of the column mechanism 1 is fixedly connected to the foundation 6, and the column mechanism 1 includes a main frame column 7 and an auxiliary frame column 8 arranged at intervals, the lower ends of the main frame column 7 and the auxiliary frame column 8 are fixedly connected to the foundation, the upper end of the main frame column 7 is fixedly connected to the column top frame beam mechanism 3 and the T-shaped roof beam mechanism 4 through a connecting component, and the upper end of the auxiliary frame column 8 is connected to the column top frame beam mechanism 3 by mortise and tenon joints;

[0064] The sound insulation wall panel mechanism 2 is arranged on the outer side of the column mechanism 1, and the sound insulation wall panel mechanism 2 includes sound insulation wall panel units 9 arranged in sequence, and the outer sides of the main frame columns 7 and the auxiliary frame columns 8 are provided with vertical slots 10 adapted to the sound insulation wall panel units 9, and the two ends of the sound insulation wall panel units 9 are hoisted and inserted into the vertical slots 10 of the main frame columns 7 and the auxiliary frame columns 8;

[0065] The column top frame beam mechanism 3 is fixedly connected to the upper end of the column mechanism 1, and the column top frame beam mechanism 3 includes two groups of left-right symmetrical column top frame beam units 11, and the column top frame beam units 11 are arranged along the track direction;

[0066] The two ends of the T-shaped roof beam mechanism 4 are fixedly connected to the column top frame beam mechanism 3 and the column mechanism 1 through a connecting assembly, the lower side of the T-shaped roof beam mechanism 4 abuts against the top surface of the column top frame beam mechanism 3, the T-shaped roof beam mechanism 4 includes T-shaped roof beam units arranged in sequence, and the T-shaped roof beam unit includes a T-shaped roof beam body 12 and two groups of symmetrically arranged roof beam supports 13, the two groups of roof beam supports 13 are integrally fixedly connected to the two ends of the T-shaped roof beam body 12, and the roof beam supports 13 are provided with corrugated holes that penetrate through them;

[0067] The soundproof roof structure 5 is laid on the T-shaped roof beam structure 4, and the soundproof roof structure 5 includes soundproof roof units 14 arranged in sequence, and both ends of the soundproof roof units 14 are fixedly connected to the T-shaped roof beam units by anchoring first and then pouring.

[0068] The fully enclosed sound barrier of the present invention adopts a prefabricated and assembled design. The building components of the main structure are basically all prefabricated in the factory. It does not need to occupy the railway line space on site, and there is no need to carry out large-area formwork structure support. The amount of turnover materials and the number of operating workers are small. The present invention can adopt a mobile crane for assembly construction, has a high level of marketization, can be flexibly applied according to site conditions, does not need to set up a special tower crane, and has a high lifting efficiency. The present invention adopts a hoisting and assembly design method as a whole, and there is no need to rigidly close the railway line. Construction needs can be met by constructing according to normal existing lines.

[0069] Optionally, in a possible implementation, the connection assembly includes a reserved steel bar 15, a connecting steel bar 16 and a straight threaded sleeve 17, wherein;

[0070] The main part of the reserved steel bar 15 is buried inside the main frame column 7;

[0071] After the column top frame beam unit 11 is assembled in place, the two ends of the column top frame beam unit are placed on the edge of the column mechanism;

[0072] The connecting steel bar 16 is coaxially fixedly connected to the reserved steel bar 15 through a straight threaded sleeve 17;

[0073] The T-shaped roof beam unit is hoisted into place, the connecting steel bar 16 is inserted into the corrugated hole of the roof beam support 13 hoisted into place, and the corrugated hole of the roof beam support 13 is poured with high-strength grouting material.

[0074] Optionally, in a possible embodiment, the upper portion of the auxiliary frame column 8 is provided with a mortise that is compatible with the column top frame beam unit 11, and the side of the mortise is provided with a guard wall connected to the roof beam support 13 of the T-shaped roof beam unit, and the upper portion of the guard wall is reserved with a reserved connecting steel bar 16 connected to the roof beam support 13.

[0075] Example 2

[0076] This embodiment includes all the technical features of embodiment 1, and on the basis of this technical solution, further includes a digital construction system, the digital construction system includes a positioning component, a numbering component, a signal receiver and a simulation terminal, wherein;

[0077] The digital twin model of the whole fully enclosed sound barrier built into the simulation terminal is pre-numbered in the digital twin model for each building component of the prefabricated column mechanism 1, the sound insulation wall panel mechanism 2, the column top frame beam mechanism 3, the T-shaped roof beam mechanism 4 and the sound insulation top plate mechanism 5. The numbering of each building component has been completed when it is in the factory preparation stage;

[0078] The positioning component is detachably connected to the column mechanism 1, the sound insulation wall panel mechanism 2, the column top frame beam mechanism 3, the T-shaped roof beam mechanism 4 and the sound insulation top plate mechanism 5. The positioning component here can be bonded or magnetically attracted, and the positioning component can be circulated and used;

[0079] The numbering assembly includes a building component QR code painted on the column mechanism 1, the sound insulation wall panel mechanism 2, the column top frame beam mechanism 3, the T-shaped roof beam mechanism 4 and the sound insulation top plate mechanism 5, and the building component QR code includes data information of the production date, number, length, width and height of each building component;

[0080] The signal receiver is used to scan the QR code information of building components and determine the position of positioning components, and match the relevant information with the digital twin model. The signal receiver here can be a smart device such as a mobile phone.

[0081] Example 3

[0082] This embodiment discloses a design method for a double-track railway assembled concrete fully enclosed sound barrier, which is used to design the double-track railway assembled concrete fully enclosed sound barrier of Example 1, and includes the following steps:

[0083] Step 1, prefabricate the column mechanism 1, the sound insulation wall panel mechanism 2, the column top frame beam mechanism 3, the T-shaped roof beam mechanism 4 and the sound insulation top plate mechanism 5 in the factory;

[0084] Step 2, hoisting the column mechanism 1 in place, wherein the column mechanism 1 comprises a main frame column 7 and an auxiliary frame column 8, the lower ends of the main frame column 7 and the auxiliary frame column 8 are connected to the foundation 6 by a cup mouth, and a reserved steel bar 15 is provided on the upper part of the main frame column 7;

[0085] Step 3, hoisting the sound insulation wall panel mechanism 2, and hoisting and clamping the two ends of the sound insulation wall panel mechanism 2 into the vertical slots 10 outside the main frame column 7 and the auxiliary frame column 8;

[0086] Step 4, hoist the column top frame beam mechanism 3 into place, at this time, the two groups of column top frame beam units 11 of the column top frame beam mechanism 3 are arranged along the track, and the two ends of the column top frame beam units are placed on the edge of the column mechanism;

[0087] Step 5, the connecting steel bar 16 is coaxially fixedly connected with the reserved steel bar 15 through the straight threaded sleeve 17; the T-shaped roof beam unit is hoisted into place, and the connecting steel bar 16 is inserted into the corrugated hole of the roof beam support 13 hoisted into place, and a casting template is set up in the connection area between the column mechanism 1 and the roof beam support 13, and the corrugated hole of the roof beam support 13 is poured with high-strength grouting material;

[0088] Step 6: hoist the sound insulation roof structure 5, and the two ends of the sound insulation roof unit 14 of the sound insulation roof structure 5 are fixedly connected with the T-shaped roof beam unit by anchoring first and then pouring.

[0089] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A double-track railway assembled concrete fully enclosed sound barrier, characterized in that: The fully enclosed sound barrier cover is arranged on a double-track railway, and the fully enclosed sound barrier comprises two groups of column mechanisms, a sound insulation wall panel mechanism, a column top frame beam mechanism, a T-shaped roof beam mechanism and a sound insulation top plate mechanism, wherein; The column mechanism is symmetrically arranged on the left and right sides of the double-track railway, and the lower end of the column mechanism is fixedly connected to the foundation; The sound insulation wall panel mechanism is arranged on the outer side of the column mechanism; The column top frame beam mechanism is fixedly connected to the upper end of the column mechanism; The two ends of the T-shaped roof beam mechanism are fixedly connected to the column top frame beam mechanism and the column mechanism through a connecting assembly, and the lower side surface of the T-shaped roof beam mechanism abuts against the top surface of the column top frame beam mechanism; The sound insulation top plate mechanism is laid on the T-shaped roof beam mechanism.

2. The double-track railway assembled concrete fully enclosed sound barrier according to claim 1 is characterized in that: The column mechanism includes main frame columns and auxiliary frame columns arranged at intervals, the column top frame beam mechanism includes two groups of left-right symmetrical column top frame beam units, the column top frame beam units are arranged along the track direction, and the T-shaped roof truss beam mechanism includes T-shaped roof truss beam units arranged in sequence, wherein; The lower ends of the main frame columns and the auxiliary frame columns are fixedly connected to the foundation; The upper ends of the main frame columns are fixedly connected to the column top frame beam mechanism and the T-shaped roof truss beam mechanism through a connecting assembly; The upper end of the auxiliary frame column is connected to the column top frame beam mechanism by mortise and tenon joints.

3. The double-track railway assembled concrete fully enclosed sound barrier according to claim 2 is characterized in that: The T-shaped roof beam unit comprises a T-shaped roof beam body and two groups of symmetrically arranged roof beam supports; The two groups of roof beam supports are integrally fixedly connected to the two ends of the T-shaped roof beam body; The roof frame beam support is provided with a penetrating corrugated hole.

4. The double-track railway assembled concrete fully enclosed sound barrier according to claim 3 is characterized in that: The connection assembly includes reserved steel bars, connecting steel bars and a straight threaded sleeve, wherein; The main part of the reserved steel bars is buried inside the main frame columns; After the column top frame beam unit is assembled in place, the two ends of the column top frame beam unit are placed on the edge of the column mechanism; The connecting steel bar is coaxially fixedly connected with the reserved steel bar through a straight threaded sleeve; The T-shaped roof beam unit is hoisted into place, the connecting steel bars are inserted into the corrugated holes of the roof beam support hoisted into place, and the corrugated holes of the roof beam support are poured with high-strength grouting material.

5. The double-track railway assembled concrete fully enclosed sound barrier according to claim 2 is characterized in that: The upper part of the auxiliary frame column is provided with a mortise that is compatible with the column top frame beam unit, and the side of the mortise is provided with a guard wall connected to the roof truss beam support of the T-shaped roof truss beam unit, and the upper part of the guard wall is reserved with reserved connecting steel bars connected to the roof truss beam support.

6. The double-track railway assembled concrete fully enclosed sound barrier according to claim 2 is characterized in that: The sound insulation wall panel mechanism comprises sound insulation wall panel units arranged in sequence, and the outer sides of the main frame columns and the auxiliary frame columns are provided with vertical slots adapted to the sound insulation wall panel units, and the two ends of the sound insulation wall panel units are hoisted and inserted into the vertical slots of the main frame columns and the auxiliary frame columns.

7. The double-track railway assembled concrete fully enclosed sound barrier according to claim 2 is characterized in that: The sound insulation top plate mechanism comprises sound insulation top plate units arranged in sequence, and both ends of the sound insulation top plate units are fixedly connected to the T-shaped roof beam units by means of first anchoring and then pouring.

8. The double-track railway assembled concrete fully enclosed sound barrier according to claim 1 is characterized in that: Also included is a digital construction system, which includes a positioning component, a numbering component, a signal receiver and a simulation terminal, wherein; The simulation terminal has a built-in digital twin model of the entire fully enclosed sound barrier, and the digital twin model pre-numbers each building component of the prefabricated column mechanism, sound insulation wall panel mechanism, column top frame beam mechanism, T-shaped roof truss beam mechanism and sound insulation top plate mechanism, and the numbering of each building component has been completed when it is in the factory preparation stage; The positioning assembly is detachably connected to the column mechanism, the sound insulation wall panel mechanism, the column top frame beam mechanism, the T-shaped roof beam mechanism and the sound insulation top panel mechanism; The label assembly includes a building component QR code painted on a column mechanism, a sound insulation wall panel mechanism, a column top frame beam mechanism, a T-shaped roof beam mechanism, and a sound insulation top panel mechanism, and the building component QR code includes data information on the production date, number, length, width, and height of each building component; The signal receiver is used to scan the QR code information of the building component and determine the position of the positioning component, and match the relevant information with the digital twin model.

9. A design method for a double-track railway assembled concrete fully enclosed sound barrier, characterized in that: The method for designing the double-track railway assembled concrete fully enclosed sound barrier according to claim 1 comprises the following steps: Step 1: prefabricate the column mechanism, the sound insulation wall panel mechanism, the column top frame beam mechanism, the T-shaped roof beam mechanism and the sound insulation top plate mechanism in the factory; Step 2: hoist the column mechanism into place, and the column mechanism includes a main frame column and an auxiliary frame column. The lower ends of the main frame column and the auxiliary frame column are connected to the foundation socket by a cup mouth, and the upper part of the main frame column is provided with a reserved steel bar; Step 3: hoist the sound insulation wall panel mechanism, and hoist and clip the two ends of the sound insulation wall panel mechanism into the vertical slots on the outside of the main frame column and the auxiliary frame column; Step 4: hoist the column top frame beam mechanism into place, at which time the two groups of column top frame beam units of the column top frame beam mechanism are arranged along the track direction, and the two ends of the column top frame beam units are placed on the edge of the column mechanism; Step 5: The staff connects the connecting steel bar to the reserved steel bar through a straight threaded sleeve and fixes it coaxially; hoist the T-shaped roof beam unit into place, insert the connecting steel bar into the corrugated hole of the hoisted roof beam support, set up a casting template in the connection area between the column mechanism and the roof beam support, and pour high-strength grouting material into the corrugated hole of the roof beam support; Step 6: hoist the sound insulation roof mechanism, and the two ends of the sound insulation roof unit of the sound insulation roof mechanism are fixedly connected with the T-shaped roof beam unit by first anchoring and then pouring.

Images