Modularized installation and construction method for semi-closed sound barrier of high-speed railway

Abstract

The invention provides a modularized installation and construction method for a semi-closed sound barrier of a high-speed railway, and belongs to the technical field of semi-closed sound barriers of high-speed railways. Comprising a road surface, sound absorption barriers are arranged on the left side and the right side of the road surface respectively, high-precision sound pressure sensors are arranged on the inner side surfaces, close to the left side and the right side, of the sound absorption barriers respectively, and a broadband frequency analyzer is connected to the bottoms of the high-precision sound pressure sensors. A solar photovoltaic power generation function and a noise reduction function of the sound barrier are combined by arranging the photovoltaic panel on the outer side of the arc-shaped sound absorption barrier, in addition, the high-precision sound pressure sensor, the broadband frequency analyzer and the intelligent control system are fused into an intelligent monitoring sound barrier module through the intelligent technology, and a noise monitoring sensor, an environment monitoring sensor and other sensors are integrated; the noise level, the air quality, the temperature, the humidity and other environmental parameters around the sound barrier are monitored in real time, data are transmitted to the management center, and the performance state of the sound barrier and the change of the surrounding environment are known in time through data analysis.

Description

Technical Field

[0001] The present invention relates to the technical field of semi - enclosed sound barriers for high - speed railways, and particularly to a modular installation construction method for semi - enclosed sound barriers of high - speed railways. Background Art

[0002] At present, many high - speed railway lines in China have been opened for operation. Sound barriers are the main engineering measures to solve the problem of noise disturbing residents. From the research on the built railway sound insulation screens and the analysis of actual measurement data, the noise reduction of general traditional vertical sound barriers is 4 - 6 dBA. Especially when there are high - rise buildings along the line, the traditional sound barriers have little noise reduction effect on high - rises. Research shows that fully - enclosed and semi - enclosed sound barriers are effective ways to solve this problem.

[0003] The pollution of noise to the environment has become a worldwide problem. With the development of the economy, the development and utilization of land, and the improvement of the quality of residents' lives, effectively preventing the noise pollution on both sides of transportation arteries is not only an important environmental problem but also a hot issue that attracts much social attention.

[0004] There are more and more high - rise buildings in major cities in China. The noise problem in the sections where railways pass through urban areas is becoming more and more prominent. Sensitive buildings are close to the railway, making it difficult to implement demolition, and it is not conducive to urban development and land conservation. Therefore, for railway construction, it is extremely important to adopt reasonable noise control measures for high - rise buildings, which can not only save design costs but also reduce the contradictions between railway construction and urban overall planning, land use planning, and environmental protection planning, thus promoting the healthy and orderly development of the railway environmental protection cause. This research takes the noise control measures of the Xiongshang High - Speed Railway as the starting point.

[0005] Comparative analysis of semi - enclosed and fully - enclosed sound barriers. The main difference between fully - enclosed and semi - enclosed lies in the coverage area of the sound barrier unit panels. Semi - enclosed usually only closes part or all of one side and the top, while the fully - enclosed sound barrier closes on both the left and right sides and the top, forming a space similar to a tunnel. First of all, the investment in fully - enclosed sound barriers is relatively high. For the Zhixueyuan sensitive building, where there are high - rise buildings only on one side of the line and no buildings very close on the other side, the semi - enclosed sound barrier can meet the noise reduction requirements, and there is no necessary condition to use a fully - enclosed sound barrier. In the principle of saving, to avoid unnecessary waste, the semi - enclosed sound barrier should be preferentially selected in the design. Compared with the semi - enclosed sound barrier, the fully - enclosed sound barrier has many problems and obvious disadvantages. Below, we will make a detailed comparison of the two forms of sound barriers from multiple aspects. It can be seen that the noise on the closed side of the semi - enclosed sound barrier is basically blocked, and the noise can only overflow from the open side, and the formed diffraction area is also difficult to affect the closed side. Therefore, the noise reduction effect on the closed side is obvious, and it is especially suitable for noise protection of high - rise buildings at close range. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to provide a modular installation construction method for a semi-closed sound barrier on high-speed railways to solve the problem that the noise problem in the section where the existing railway passes through the urban area is becoming more and more prominent, the sensitive buildings are close to the railway, the implementation difficulty of demolition is large, and it is not conducive to urban development and land conservation.

[0007] To solve the above technical problems, the present invention provides the following technical solutions: A semi-closed sound barrier module for high-speed railways, including a road surface, sound absorption barriers are respectively arranged on the left and right sides of the road surface, high-precision sound pressure sensors are respectively arranged on the inner surfaces of the sound absorption barriers near the left and right sides, a broadband frequency analyzer is connected to the bottom of the high-precision sound pressure sensors, an intelligent control system is arranged on one side of the sound absorption barriers, and a pushing component is arranged inside the sound absorption barriers, including a road surface, sound absorption barriers are respectively arranged on the left and right sides of the road surface, high-precision sound pressure sensors are respectively arranged on the inner surfaces of the sound absorption barriers near the left and right sides, a broadband frequency analyzer is connected to the bottom of the high-precision sound pressure sensors, an intelligent control system is arranged on one side of the sound absorption barriers, and a pushing component is arranged inside the sound absorption barriers.

[0008] Optionally, the sound absorption barrier includes a vertical sound absorption barrier, an arc-shaped sound absorption barrier is arranged at the top of the vertical sound absorption barrier, a protection plate is arranged on the inner surface of the vertical sound absorption barrier, and a photovoltaic panel is arranged on the outer surface of the arc-shaped sound absorption barrier.

[0009] Optionally, the internal structure of the vertical sound absorption barrier from the inside to the outside is respectively a sound absorption and anti-corrosion coating, a protective layer, a first sound absorption layer, a sound insulation layer and a second sound absorption layer.

[0010] Optionally, a permanent magnet layer is attached to each connection point of the two vertical sound absorption barriers and the arc-shaped sound absorption barrier.

[0011] Optionally, internal grooves are opened in the vertical sound absorption barriers, three-rod steel ball sliding rails are respectively arranged on the left and right sides of the internal grooves, and an embedding plate is arranged at the bottom of the arc-shaped sound absorption barrier.

[0012] Optionally, the pushing component includes an X-shaped push rod, a rotating shaft penetrates through the intersection of the X-shaped push rod, threaded columns penetrate through the two sides of the bottom of the X-shaped push rod respectively, and one end of each threaded column is connected to the output end of a power motor.

[0013] Optionally, the power control end cooperates with the remote monitoring and management end to remotely control power distribution and switches, evenly distributes the solar energy absorbed by the sound absorption barrier to other electrical appliances at night, and can remotely turn off and turn on the intelligent control system matched with the sound absorption barrier.

[0014] Optionally, the real-time data processing end adopts artificial intelligence algorithms such as neural networks and machine learning to quickly analyze and process the data collected by sensors, achieving adaptive adjustment to complex noise environments. These algorithms can continuously learn and optimize based on historical data and real-time monitoring data, improving the accuracy and efficiency of adjustment. They can process and analyze a large amount of sensor data in a short time to ensure that the system can promptly respond to changes in environmental noise and issue accurate adjustment instructions.

[0015] Optionally, the remote monitoring and management end uses Internet technology to achieve remote monitoring and management of the sound barrier. Operators can view information such as the working status of the sound barrier and noise monitoring data in real-time at the remote control center and make remote adjustments and maintenance to the system as needed.

[0016] The modular installation construction method for semi-closed sound barriers on high-speed railways includes the following steps:

[0017] Step 1: Installation of steel beams, channel steels, and molds: Place steel beams at the distances between the vertical directions of the bridge deck. One bundle consists of two steel beams, and the distance between each bundle is 1 m. The steel beams need to be welded by electric welding, and the gap between them should not exceed 10 cm. The welding distance between the steel beams should not exceed 30 cm. Connect the welded steel beams and the pre-buried steel bars with two M14 screws. The bottom of the screws should be in a hooked structure and connected to the pre-buried steel bars. When the screws are completely fixed in the specified positions, place 14b channel steels at the bottoms of the screws in the vertical direction. The vertical channel steels should be placed around the surface of the bridge body, and the distance between them should be about 0.8 m. The channel steels need to be connected to the 14th steel beam with M14 tie rods, and the distance between them should be about 0.8 m. Before the completion of the bridge body, all the molds and channel steels need to be connected, and all other connections and tightenings need to be completed. To facilitate the disassembly of the molds, PVC pipes should be sleeved outside the screws.

[0018] Step 2: Placement of steel bars, steel wires, and pre-buried parts: Placement of the sound barrier steel bars on the surface of the bridge body: First, place the horizontal steel bars, and then place the vertical steel bars. After all the steel bars are placed, adjust the spacing between the steel bars according to the requirements of the design drawing.

[0019] Step 3: Placement of steel wires: When placing the steel wires, straighten all the steel wires before placement to avoid incorrect knotting of the steel wires. Then, sleeve the corrugated pipe on the steel wires. The corrugated pipe needs to be inserted into the pre-customized pores on the surface of the bridge body, and the inserted length must be greater than 200 mm. When all the steel wires and sleeves are installed, seal the interfaces with professional glue to prevent leakage in case of slurry injection.

[0020] Step 4: Place the anchors and pre-buried parts: Some anchors and clips need to be placed, and the sound barrier columns are placed on the pre-buried U-bolts. At the same time, the position must be fixed. The root position of the pre-buried U-bolts is connected to the link that can fix the position, in order to prevent errors when pouring concrete;

[0021] Step 5: Formwork adjustment: The quality of the concrete poured for the sound barrier bridge deck must meet the requirements of relevant regulations, otherwise it will affect the quality and safety of the entire bridge deck. Therefore, before pouring the concrete for the sound barrier bridge deck, the formwork needs to be accurately calibrated, and professional technicians need to accurately measure the control position of the formwork. If there is a deviation, it needs to be adjusted in time until it is within the allowable deviation range of the formwork;

[0022] Step 6: On-site concrete pouring: When pouring concrete for the on-site sound barrier bridge deck, try not to interrupt the construction. The pause time for on-site pouring must be less than 90 minutes. When pouring concrete on site, it is necessary to strictly follow the operating rules to ensure that the concrete is vibrated in place and no bubbles appear on the concrete surface;

[0023] Step 7. Removal of formwork: The sound barrier bridge deck formwork can be removed only when the quality of the concrete reaches the specified standards. The removal of the formwork also needs to be carried out in accordance with the requirements. The order of removal is: side, back, non-stress surface, stress surface. When removing the formwork, it is necessary to place vehicles and equipment that can carry the mold under the bridge body, and then unscrew the connecting bolts, and place the lowest formwork and the vertical channel steel and the connecting bolts on the bearing frame. The crane will place the components on the bearing frame on the surface of the bridge body and wait for relevant personnel to carry the components back together.

[0024] Compared with the prior art, the present invention has at least the following beneficial effects:

[0025] In the above solution, the photovoltaic panels outside the arc-shaped sound-absorbing barrier combine the solar photovoltaic power generation function with the noise reduction function of the sound barrier. In addition, the high-precision sound pressure sensor, wide-band frequency analyzer, and intelligent control system integrate intelligent technologies into the intelligent monitoring sound barrier module, integrating sensors such as noise monitoring and environmental monitoring, and real-time monitoring of environmental parameters such as the noise level, air quality, temperature, and humidity around the sound barrier, and transmitting the data to the management center. Through data analysis, the performance status of the sound barrier and the changes in the surrounding environment can be understood in a timely manner, providing a basis for maintenance and management. At the same time, the working mode of the sound barrier can also be automatically adjusted according to the monitoring data, and it has an intelligent adjustment function and a monitoring and early warning function. The intelligent adjustment function combines the driving components and the arc-shaped sound-absorbing barrier, enabling the sound-absorbing barrier to automatically adjust the sound-absorbing area according to the changes in the surrounding environmental noise to achieve the best noise reduction effect. Finally, the monitoring and early warning function uses intelligent sensors to real-time monitor the working status of the sound barrier and the surrounding environmental noise data. Once it is found that the sound barrier is damaged or the noise exceeds the standard, an early warning signal is sent in a timely manner for repair and adjustment.

[0026] The set sound-absorbing barrier is an integrated combination of a vertical sound-absorbing barrier and an arc-shaped sound-absorbing barrier with a permanent magnet layer. The sound barrier is manufactured using an integrated molding process, reducing splicing gaps, improving the overall sealing performance and sound insulation effect, and at the same time enhancing the structural stability and durability. In addition, in combination with surface treatment technology, the surface of the sound barrier is specially treated, such as spraying a sound-absorbing coating, an anti-corrosion coating, etc., which can not only improve the sound absorption performance but also enhance the anti-corrosion ability and extend the service life. The permanent magnet layer in it uses the attraction of magnetic materials to connect the various parts of the sound barrier module. For example, permanent magnets or electromagnets are set at the edges of the module, and the rapid splicing and fixing of the module are achieved through magnetic adsorption. This method can greatly improve the installation efficiency and is convenient for later maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings incorporated herein and constituting a part of the specification illustrate embodiments of the present invention and, together with the specification, are further used to explain the principles of the present invention and enable those skilled in the relevant art to implement and use the present invention.

[0028] Figure 1 It is a three-dimensional structural schematic diagram of a semi-closed sound barrier module for high-speed railways;

[0029] Figure 2 It is an exploded structural schematic diagram of an arc-shaped sound-absorbing barrier and a driving component;

[0030] Figure 3 It is a schematic diagram of the inner structure of the sound-absorbing barrier;

[0031] Figure 4 It is a schematic diagram of the outer structure of the sound-absorbing barrier;

[0032] Figure 5 Schematic diagram of the internal structure decomposition of the sound absorption barrier;

[0033] Figure 6 Schematic diagram of the permanent magnet layer structure;

[0034] Figure 7 Schematic diagram of the structure at the connection of the vertical sound absorption barrier and the arc-shaped sound absorption barrier;

[0035] Figure 8 Schematic diagram of the driving component structure;

[0036] Figure 9 Schematic diagram of the high-precision sound pressure sensor structure;

[0037] Figure 10 Schematic diagram of the intelligent control system structure;

[0038] Figure 11 Schematic diagram of the wide-band frequency analyzer structure;

[0039] Figure 12 Schematic diagram of the three-rod steel ball slide rail structure.

[0040] [Reference Signs]

[0041] 1, Road surface; 2, Sound absorption barrier; 201, Vertical sound absorption barrier; 202, Arc-shaped sound absorption barrier; 203, Protection plate; 204, Photovoltaic panel; 205, Sound absorption and anti-corrosion coating; 206, Protection layer; 207, First-stage sound absorption layer; 208, Sound insulation layer; 209, Second-stage sound absorption layer; 210, Permanent magnet layer; 211, Internal groove; 212, Three-rod steel ball slide rail; 213, Embedded plate; 3, High-precision sound pressure sensor; 4, Wide-band frequency analyzer; 5, Intelligent control system; 501, Power control end; 502, Real-time data processing end; 503, Remote monitoring and management end; 6, Driving component; 601, X-shaped push rod; 602, Rotating shaft; 603, Threaded column; 604, Power motor.

[0042] As shown in the figure, in order to clearly show the structure of the embodiments of the present invention, specific structures and devices are marked in the figure, but this is only for schematic purposes and is not intended to limit the present invention to this specific structure, device and environment. Those of ordinary skill in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation Manner

[0043] The modular installation construction method of the semi - enclosed sound barrier for high - speed railways provided by the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. At the same time, it should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments. For some well - known technologies, those skilled in the art can also adopt other alternative methods for implementation; moreover, the accompanying drawings are only for more specifically describing the embodiments and are not intended to specifically limit the present invention.

[0044] It should be noted that in the specification, references to "one embodiment", "an embodiment", "exemplary embodiments", "some embodiments", etc. indicate that the described embodiments may include specific features, structures, or characteristics, but not necessarily every embodiment includes such specific features, structures, or characteristics. Additionally, when combining embodiments to describe a specific feature, structure, or characteristic, implementing such a feature, structure, or characteristic in combination with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the relevant art.

[0045] Generally, terms can be understood, at least in part, from their use in context. For example, at least in part depending on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or can be used to describe a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey a set of exclusive factors, but rather, at least in part depending on the context, can allow for the existence of other factors that may not be explicitly described.

[0046] It can be understood that the meanings of "on...", "above...", and "over..." in the present invention should be interpreted in the broadest manner, such that "on..." not only means "directly on" something, but also includes the meaning of being "on" something with intervening features or layers therebetween, and "above..." or "over..." not only means "above" or "over" something, but also can include the meaning of being "above" or "over" something with no intervening features or layers therebetween.

[0047] In addition, spatial - related terms such as "under...", "below...", "lower", "above...", "upper", etc. are used herein for convenience of description to describe the relationship of one element or feature to another or other elements or features, as shown in the accompanying drawings. Spatial - related terms are intended to cover different orientations in the use or operation of the device other than the orientation depicted in the drawings. The device can be oriented in other ways, and the spatial - related descriptive terms used herein can be similarly interpreted accordingly.

[0048] As Figures 1 to 7As shown in the figure, an embodiment of the present invention provides a modular installation construction method for a semi-closed sound barrier of high-speed railway, including a road surface 1. Sound-absorbing barriers 2 are respectively arranged on the left and right sides of the road surface 1. High-precision sound pressure sensors 3 are respectively arranged on the inner surfaces of the sound-absorbing barriers 2 near the left and right sides. A broadband frequency analyzer 4 is connected to the bottom of the high-precision sound pressure sensor 3. An intelligent control system 5 is arranged on one side of the sound-absorbing barrier 2. A pushing component 6 is arranged inside the sound-absorbing barrier 2. The sound-absorbing barrier 2 includes a vertical sound-absorbing barrier 201. An arc-shaped sound-absorbing barrier 202 is arranged on the top of the vertical sound-absorbing barrier 201. A protection plate 203 is arranged on the inner surface of the vertical sound-absorbing barrier 201. A photovoltaic panel 204 is arranged on the outer surface of the arc-shaped sound-absorbing barrier 202. The internal structure of the vertical sound-absorbing barrier 201 from the inside to the outside is respectively a sound-absorbing and anti-corrosion coating 205, a protection layer 206, a first-stage sound-absorbing layer 207, a sound-insulating layer 208 and a second-stage sound-absorbing layer 209. A permanent magnetic layer 210 is attached to each connection point of the two vertical sound-absorbing barriers 201 and the arc-shaped sound-absorbing barrier 202. An internal groove 211 is opened inside the vertical sound-absorbing barrier 201. Three-rod steel ball slide rails 212 are respectively arranged on the left and right sides of the internal groove 211. An embedding plate 213 is arranged at the bottom of the arc-shaped sound-absorbing barrier 202.

[0049] The protection layer 206 is a metal plate with a thickness generally about 1 - 3 mm. It has good strength and hardness, can play roles such as wind prevention, rain prevention, sun protection, and corrosion prevention, protect the internal sound-absorbing materials from the influence of external environmental factors, and at the same time has a certain reflection effect on sound waves. The first-stage sound-absorbing layer 207 and the second-stage sound-absorbing layer 209 are glass wool and polyester fiber respectively. Glass wool is a common sound-absorbing material made of glass fibers. It has fine pores and can effectively absorb sound wave energy, convert the sound energy into heat energy and consume it. Its sound-absorbing effect is good, especially has a good absorption ability for medium and high-frequency noises. Generally, the bulk density is 24 - 48 kg / m 3 , and the thickness is about 50 - 100 mm. The polyester fiber sound-absorbing board is made by hot pressing of polyester fiber and has advantages such as environmental protection, flame retardancy, and good sound-absorbing effect. Its sound-absorbing performance is excellent in the medium and high-frequency bands. The surface usually has various textures and colors and can be selected according to design requirements. The thickness is generally between 10 - 50 mm. The sound-insulating layer 208 is a high-density fiber board with a relatively high density and hardness, which can effectively block the propagation of sound waves, reduce the sound transmission. Generally, the thickness is about 16 - 25 mm, and it can be used as the sound-insulating structure layer inside the sound barrier and cooperate with the sound-absorbing layer to improve the overall sound-insulating effect.

[0050] Such as Figure 2 and Figures 8 to 12As shown, the intelligent control system 5 includes a power control terminal 501. The top of the power control terminal 501 is connected to a real-time data processing terminal 502, and the top of the real-time data processing terminal 502 is connected to a remote monitoring and management terminal 503. The intelligent control system 5 is connected to the electrical equipment within the structure of the sound absorption barrier 2. The pushing component 6 includes an X-shaped push rod 601. A rotating shaft 602 passes through the intersection of the X-shaped push rod 601. Threaded columns 603 penetrate through both sides of the bottom of the X-shaped push rod 601. One end of each threaded column 603 is connected to the output end of a power motor 604. The power control terminal 501 cooperates with the remote monitoring and management terminal 503 to remotely control power distribution and switches, evenly distribute the solar energy absorbed by the sound absorption barrier 2 to other electrical appliances at night, and can remotely turn off and on the intelligent control system 5 configured with the sound absorption barrier 2. The real-time data processing terminal 502 uses artificial intelligence algorithms such as neural networks and machine learning to quickly analyze and process the data collected by sensors, realizing adaptive adjustment to complex noise environments. These algorithms can continuously learn and optimize based on historical data and real-time monitoring data, improving the accuracy and efficiency of adjustment, being able to process and analyze a large amount of sensor data in a short time, ensuring that the system can promptly respond to changes in environmental noise and issue accurate adjustment instructions. The remote monitoring and management terminal 503 uses Internet technology to achieve remote monitoring and management of the sound absorption barrier 2. Operators can view information such as the working status of the sound absorption barrier 2 and noise monitoring data in real time at the remote control center and remotely adjust and maintain the system as needed.

[0051] By rotating the threaded column 603 through the power motor 604 in the structure of the pushing component 6 to engage with the threads inside the two through holes at the bottom of the X-shaped push rod 601 and rotate, the overall X-shaped push rod forms a scissor-like working form to push the arc-shaped sound absorption barrier 202 at the top upward by a certain distance, cooperating with the intelligent control system 5 to push an appropriate distance to increase the sound absorption range.

[0052] The high-precision sound pressure sensor 3 can accurately measure the sound pressure level of environmental noise, and its measurement accuracy can reach ±0.1 dB or even higher, ensuring accurate perception of the noise intensity. The broadband frequency analyzer 4 can analyze the distribution of noise in different frequency bands, covering a wide frequency range from low frequency to high frequency, providing comprehensive noise spectrum information for the control system. The two-sensor fusion technology fuses the data of multiple different types of sensors, such as simultaneously using a sound pressure sensor and a vibration sensor, to more accurately judge the characteristics and location of the noise source, improving the reliability and adaptability of the system.

[0053] The advantages of the intervention of intelligent technology are as follows:

[0054] 1) High-efficiency noise reduction: It can automatically adjust the sound absorption and sound insulation performance according to the real-time changes of environmental noise, achieving precise control of noises with different frequencies and intensities. Compared with traditional sound-absorbing barriers, the noise reduction effect is significantly improved;

[0055] 2) Energy conservation and environmental protection: Through intelligent adjustment, on the premise of meeting the noise reduction requirements, the sound-absorbing barrier can reasonably utilize energy, avoiding unnecessary energy consumption. At the same time, due to its good noise reduction effect, it can reduce the dependence on other noise reduction devices, lowering the overall energy consumption;

[0056] 3) Strong adaptability: It can adapt to various complex noise environments. Whether it is traffic noise, industrial noise or other types of noises, through the coordinated work of sensors and control systems, the best noise reduction effect can be achieved;

[0057] 4) Low maintenance cost: The intelligent control system can monitor the working status of the sound-absorbing barrier in real time, timely detect potential faults and problems, and give early warnings. This helps to arrange maintenance work in advance, avoid the decline of the noise reduction effect caused by equipment failures, and reduce the maintenance cost and repair time.

[0058] Such as Figures 1 to 12As shown, in the context of the increasingly high requirements for environmental quality today, effective management and control of noise pollution have become crucial. As a key facility for reducing noise impact, the stable operation of the sound barrier and its effective control of ambient noise are of great significance. With the help of intelligent sensor technology, it is possible to monitor the working state of the sound barrier and ambient noise data in real time and accurately, providing strong support for noise management. The intelligent sensors are cleverly deployed at key positions of the sound barrier. These sensors have the characteristics of high sensitivity and high precision, and can accurately measure key parameters such as the intensity and frequency of noise, converting complex sound signals into electrical signals or digital signals that are easy to process. Once the intelligent sensors start working, they will continuously collect ambient noise data and transmit these data to the data processing center in real time. In the data processing center, advanced data processing algorithms clean, analyze, and integrate the massive monitoring data. By comparing with preset standard values and historical data, the system can quickly determine whether the working state of the sound barrier is normal and whether the ambient noise exceeds the standard. When the system detects signs of damage to the sound barrier, such as loosening of the sound barrier structure or cracks in the panels, the data collected by the sensors will change abnormally. Based on these abnormal data, the data processing center can accurately identify the location and degree of damage in a timely manner and immediately issue a warning signal. Similarly, once it is detected that the ambient noise exceeds the specified threshold, the system will also quickly trigger the warning mechanism. The warning signal will be conveyed to relevant personnel in a timely manner through various means, such as text messages, emails, APP push, etc. After receiving the warning information, relevant staff can respond quickly. In the case of damage to the sound barrier, maintenance personnel can carry professional tools and equipment and rush to the scene for repair in a timely manner to ensure that the sound barrier resumes normal operation as soon as possible and continues to play its noise reduction role. If there is a problem with noise exceeding the standard, the staff can analyze the cause of the noise exceeding the standard based on the monitoring data and the actual situation on site, and take effective adjustment measures, such as optimizing the surrounding traffic flow, adjusting the construction time, or strengthening the control of noise sources, so as to reduce the impact of noise on the surrounding environment and residents' lives.

[0059] The modular installation construction method for semi-closed sound barriers on high-speed railways includes the following steps;

[0060] Step 1. Installation of steel beams, channel steels, and models: Place steel beams at the vertical distances between bridge decks. One bundle consists of two steel beams, and the distance between each bundle is 1 m. The steel beams need to be welded together by electric welding, and the gap between them should not exceed 10 cm. The welding distance between the steel beams should not exceed 30 cm. Connect the welded steel beams and the pre-buried steel bars with two M14 screws. The bottom of the screws should be in a hooked structure and connected to the pre-buried steel bars. When the screws are completely fixed in place, place 14b channel steels at the bottom in the vertical direction of the screws. The channel steels in the vertical direction should be placed around the surface of the bridge body, and the distance between them should be about 0.8 m. The channel steels need to be connected to the 14th steel beam with M14 tie rods, and the distance between them should be about 0.8 m. Before the completion of the bridge body, all the molds and channel steels need to be connected, and at the same time, all other connections and fastenings need to be completed. To facilitate the disassembly of the molds, PVC pipes need to be sleeved outside the screws;

[0061] Step 2. Placement of steel bars, steel wires, and pre-buried parts: Placement of the sound barrier steel bars on the bridge body surface: First, place the horizontal steel bars, and then place the vertical steel bars. After all the steel bars are placed, adjust the spacing between the steel bars according to the requirements of the design drawing;

[0062] Step 3. Placement of steel wires: When placing the steel wires, all the steel wires need to be straightened before placement to avoid misconnection of the steel wires. Then, sleeve the corrugated pipe on the steel wires. The corrugated pipe needs to be inserted into the pre-customized pores on the bridge body surface, and the inserted length must be greater than 200 mm. When all the steel wires and sleeves are installed, seal the joints with professional glue to prevent leakage in case of slurry injection;

[0063] Step 4. Placement of anchor devices and pre-buried parts: Some anchor devices and clamping pieces need to be placed. Place the sound barrier columns on the pre-buried U-shaped bolts and fix their positions at the same time. The root position of the pre-buried U-shaped bolts is connected to a position-fixing link, aiming to prevent errors during the pouring of concrete;

[0064] Step 5. Template adjustment: The quality of the concrete poured for the sound barrier bridge deck must meet the relevant regulatory requirements, otherwise it will affect the quality and safety of the entire bridge deck. Therefore, before pouring the concrete for the sound barrier bridge deck, the template needs to be accurately calibrated. Professional technical personnel for measurement accurately measure the control positions of the template. If there are any deviations, they need to be adjusted in a timely manner until they are within the allowable deviation range of the template;

[0065] Step 6: On-site concrete pouring: When pouring concrete for the on-site sound barrier bridge deck, try to avoid construction interruptions. The on-site pouring pause time must be less than 90 minutes. When pouring concrete on-site, it is necessary to strictly follow the operation code to ensure that the concrete is vibrated in place and there are no bubbles on the concrete surface;

[0066] Step 7: Form removal: The form of the sound barrier bridge deck can only be removed when the quality of the concrete reaches the specified standard. The form removal also needs to be carried out according to the requirements. The removal sequence is: side, back, non-load-bearing surface, load-bearing surface. When removing the form, vehicles and equipment capable of carrying the mold need to be placed under the bridge body, and then the connecting bolts are loosened. The bottom form, the vertical channel steel, and the connecting bolts are placed on the carrier. The crane will place the components on the carrier on the bridge body surface and wait for the relevant personnel to carry and retrieve the components together.

[0067] The working principle of the technical solution provided by the present invention is as follows:

[0068] First, the photovoltaic panels 204 outside the arc-shaped sound-absorbing barrier 202 are set to combine the solar photovoltaic power generation function with the noise reduction function of the sound barrier. In addition, the high-precision sound pressure sensor 3, the broadband frequency analyzer 4, and the intelligent control system 5 are integrated into an intelligent monitoring sound barrier module by intelligent technology, integrating sensors such as noise monitoring and environmental monitoring, and real-time monitoring of environmental parameters such as the noise level, air quality, temperature, and humidity around the sound barrier, and transmitting the data to the management center. Through data analysis, the performance status of the sound barrier and the changes in the surrounding environment can be understood in a timely manner, providing a basis for maintenance and management. At the same time, the working mode of the sound barrier can also be automatically adjusted according to the monitoring data, and it has an intelligent adjustment function and a monitoring and warning function. The intelligent adjustment function combines the driving component 6 and the arc-shaped sound-absorbing barrier 202, enabling the sound-absorbing barrier to automatically adjust the sound-absorbing area according to the changes in the surrounding environmental noise to achieve the best noise reduction effect. Finally, the monitoring and warning function uses intelligent sensors to real-time monitor the working status of the sound barrier and the surrounding environmental noise data. Once it is found that the sound barrier is damaged or the noise exceeds the standard, a warning signal is sent in a timely manner for repair and adjustment. Then, the set sound-absorbing barrier 2 is an integrated body formed by the upright sound-absorbing barrier 201 and the arc-shaped sound-absorbing barrier 202 with the permanent magnet layer 210. The sound barrier is manufactured by an integrated molding process, reducing the splicing gap, improving the overall sealing performance and sound insulation effect, and at the same time enhancing the structural stability and durability. In addition, combined with the surface treatment technology, the surface of the sound barrier is specially treated, such as spraying a sound-absorbing coating, an anti-corrosion coating, etc., which can not only improve the sound absorption performance but also enhance the anti-corrosion ability and extend the service life. The permanent magnet layer 210 uses the attraction of magnetic materials to connect the various parts of the sound barrier module. For example, permanent magnets or electromagnets are set at the edges of the module, and the rapid splicing and fixation of the module are achieved through magnetic adsorption. This method can greatly improve the installation efficiency and is convenient for later maintenance and replacement.

[0069] This invention covers any alternatives, modifications, equivalent methods, and solutions made within the essence and scope of this invention. To enable the public to have a thorough understanding of this invention, specific details are described in detail in the following preferred embodiments of this invention. However, those skilled in the art can fully understand this invention without the description of these details. In addition, in order to avoid unnecessary confusion to the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0070] The above are only the preferred embodiments of this invention. It should be noted that for those of ordinary skill in the art, several improvements and refinements can be made without departing from the principle of this invention, and these improvements and refinements should also be regarded as the protection scope of this invention.

Claims

1. Semi - enclosed sound barrier module for high - speed railway, characterized in that, It includes a road surface, sound absorption barriers are respectively arranged on the left and right sides of the road surface, high-precision sound pressure sensors are respectively arranged on the inner surfaces of the sound absorption barriers near the left and right sides, a broadband frequency analyzer is connected to the bottom of the high-precision sound pressure sensors, an intelligent control system is arranged on one side of the sound absorption barriers, and a pushing component is arranged inside the sound absorption barriers; The intelligent control system includes a power control end, a real-time data processing end is connected to the top of the power control end, a remote monitoring and management end is connected to the top of the real-time data processing end, and the intelligent control system is connected to and controls electrical equipment inside the sound absorption barrier structure.

2. The semi-enclosed sound barrier module for high-speed railway according to claim 1, characterized in that, The sound absorption barrier includes a vertical sound absorption barrier, an arc-shaped sound absorption barrier is arranged on the top of the vertical sound absorption barrier, a protection plate is arranged on the inner surface of the vertical sound absorption barrier, and a photovoltaic panel is arranged on the outer surface of the arc-shaped sound absorption barrier.

3. The semi-enclosed sound barrier module for high-speed railways according to claim 2, wherein, The internal structure of the vertical sound absorption barrier from the inside to the outside is respectively a sound absorption and anti-corrosion coating, a protective layer, a first-stage sound absorption layer, a sound insulation layer, and a second-stage sound absorption layer.

4. The semi-enclosed sound barrier module for high-speed railway according to claim 2, wherein Permanent magnetic layers are attached to each connection point of the two vertical sound absorption barriers and the arc-shaped sound absorption barrier.

5. The semi-closed noise barrier module for high-speed railway according to claim 2, characterized in that Internal grooves are formed inside the vertical sound absorption barriers, three-rod steel ball slide rails are respectively arranged on the left and right sides of the internal grooves, and an embedding plate is arranged at the bottom of the arc-shaped sound absorption barrier.

6. The semi-enclosed noise barrier module for high-speed railway according to claim 1, wherein The pushing component includes an X-shaped push rod, a rotating shaft penetrates through the intersection of the X-shaped push rod, threaded columns respectively penetrate through the two sides of the bottom of the X-shaped push rod, and one end of each threaded column is connected to the output end of a power motor.

7. The semi-enclosed noise barrier module for high-speed railway according to claim 1, characterized in that, The power control end cooperates with the remote monitoring and management end to remotely control power distribution and switches, evenly distribute the solar energy absorbed by the sound absorption barrier to other electrical appliances at night, and can remotely turn off and turn on the intelligent control system matched with the sound absorption barrier.

8. The semi-enclosed noise barrier module for high-speed railway according to claim 1, wherein The real-time data processing end uses artificial intelligence algorithms, such as neural networks, machine learning, etc., to quickly analyze and process the data collected by the sensors, realize adaptive adjustment to complex noise environments. These algorithms can continuously learn and optimize based on historical data and real-time monitoring data, improve the accuracy and efficiency of adjustment, and can process and analyze a large amount of sensor data in a short time to ensure that the system can respond to changes in environmental noise in a timely manner and issue accurate adjustment instructions.

9. The semi-enclosed noise barrier module for high-speed railway according to claim 1, wherein The remote monitoring and management end realizes remote monitoring and management of the sound absorption barrier through Internet technology. Operators can view information such as the working status and noise monitoring data of the sound absorption barrier in real time in the remote control center, and remotely adjust and maintain the system as needed.

10. The modular installation construction method of the semi-closed sound barrier for high-speed railways according to claims 1-9, characterized in that, It includes the following steps: Step 1. Installation of steel beams, channel steels and molds: Place steel beams at the vertical distances between the bridge decks. One bundle consists of two steel beams, and the distance between each bundle is 1 m. The steel beams need to be welded by electric welding, and the gap between them should not exceed 10 cm. The welding distance between the steel beams should not exceed 30 cm. Connect the welded steel beams and the pre-buried steel bars with two M14 screws. The bottom of the screws should be in a hook structure and connected to the pre-buried steel bars. When the screws are completely fixed in place, place 14b channel steels at the bottom in the vertical direction of the screws. The channel steels in the vertical direction need to be placed around the surface of the bridge body, and the distance between them should be about 0.8 m. The channel steels need to be connected to the 14th steel beam with M14 tie rods, and the distance between them should be about 0.8 m. Before the completion of the bridge body, all the molds and channel steels need to be connected, and at the same time, all other connections and tightenings need to be completed. To facilitate the disassembly of the molds, PVC pipes need to be sleeved outside the screws; Step 2. Placement of steel bars, steel wires and pre-buried parts: Placement of the sound barrier steel bars on the bridge body surface: First, place the horizontal steel bars, and then place the vertical steel bars. After all the steel bars are placed, adjust the spacing between the steel bars according to the requirements of the design drawing; Step 3. Placement of steel wires: When placing the steel wires, all the steel wires need to be straightened before placement to avoid incorrect knotting of the steel wires. Then, sleeve the corrugated pipe on the steel wires. The corrugated pipe needs to be inserted into the pre-customized pores on the bridge body surface, and the inserted length must be greater than 200 mm. When all the steel wires and sleeves are installed, seal the interface with professional glue to prevent leakage in case of grout injection; Step 4. Placement of anchor devices and pre-buried parts: Some anchor devices and clamping pieces need to be placed. Place the sound barrier columns on the pre-buried U-shaped bolts and fix their positions at the same time. The root position of the pre-buried U-shaped bolts is connected with a position-fixing link to prevent errors during the pouring of concrete; Step 5. Formwork adjustment: The quality of the concrete poured for the sound barrier bridge deck must meet the relevant regulatory requirements, otherwise it will affect the quality and safety of the entire bridge deck. Therefore, before pouring the concrete for the sound barrier bridge deck, the formwork needs to be accurately calibrated. Professional technicians in measurement accurately measure the control positions of the formwork. If there are deviations, adjustments need to be made in a timely manner until the allowable deviation range of the formwork is reached; Step 6. On-site concrete pouring: When pouring the concrete for the sound barrier bridge deck on-site, try to avoid construction interruptions. The on-site pouring pause time must be less than 90 minutes. When pouring the concrete on-site, it needs to be carried out strictly in accordance with the operating rules to ensure that the concrete is vibrated in place and there are no air bubbles on the concrete surface; Step 7. Demolition of the formwork: The formwork of the sound barrier bridge deck can be demolished only when the quality of the concrete reaches the specified standard. The demolition of the formwork also needs to be carried out according to the requirements. The demolition sequence is as follows: the side, the back, the non-loading surface, and the loading surface. When demolishing the formwork, vehicles and equipment capable of bearing the mold need to be placed under the bridge body, and then the connecting bolts are unscrewed. The formwork at the bottom, the channel steel in the vertical direction, and the connecting bolts are placed on the bearing frame. The crane will place the components on the bearing frame on the surface of the bridge body, and wait for the relevant personnel to carry and retrieve the components together.

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