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Embedded multi-composite vibration absorption and noise reduction integrated track and construction method thereof
The invention provides an embedded multi-composite vibration absorption and noise reduction integrated track and a construction method thereof, and relates to the technical field of railway tracks, and the embedded multi-composite vibration absorption and noise reduction integrated track comprises a track plate, a multi-resonance combined structure and a sound absorption thin cover plate structure. And a rectangular mounting groove is formed in the middle of the track plate. The multi-resonance combined structure is installed in the rectangular installation groove and comprises a plurality of damping blocks connected in sequence, and each damping block comprises a mass body and an elastic layer wrapping the mass body. And the sound-absorbing thin cover plate structure is positioned above the multi-resonance combined structure and is connected with the upper surface of the track plate. The vibration and noise reduction device mounting space is reserved on the track plate, so that the bottleneck that the vibration and noise reduction performance is difficult to improve once the existing plate-type ballastless track bed is constructed and mounted can be effectively solved. Vibration is rapidly attenuated through a multi-resonance and damping energy dissipation combined structure. The sound-absorbing thin cover plate structure containing the porous elastic particle bonding material can realize a sound-absorbing function on a micro scale, so that the structure size is obviously reduced.
本发明提供了一种内嵌式多重复合吸振降噪一体化轨道及其施工方法，涉及铁路轨道技术领域，包括轨道板、多重谐振组合结构和吸音薄盖板结构。所述轨道板中间设有矩形安装槽。所述多重谐振组合结构安装在矩形安装槽内，包括依次连接的多块消振块，每块所述消振块包括质量体和包裹质量体的弹性层。所述吸音薄盖板结构位于多重谐振组合结构上方，连接轨道板上表面。本发明通过在轨道板上预留有减振降噪装置安装空间，可有效解决既有板式无砟道床一经施工安装就难以提升减振降噪性能的瓶颈。通过多重谐振与阻尼耗能组合结构使振动得到快速衰减。含多孔弹性颗粒粘接材料的吸音薄盖板结构可在微观尺度上实现吸音功能，使得结构尺寸显著缩小。
Embedded multi-composite vibration absorption and noise reduction integrated track and construction method thereof
The invention provides an embedded multi-composite vibration absorption and noise reduction integrated track and a construction method thereof, and relates to the technical field of railway tracks, and the embedded multi-composite vibration absorption and noise reduction integrated track comprises a track plate, a multi-resonance combined structure and a sound absorption thin cover plate structure. And a rectangular mounting groove is formed in the middle of the track plate. The multi-resonance combined structure is installed in the rectangular installation groove and comprises a plurality of damping blocks connected in sequence, and each damping block comprises a mass body and an elastic layer wrapping the mass body. And the sound-absorbing thin cover plate structure is positioned above the multi-resonance combined structure and is connected with the upper surface of the track plate. The vibration and noise reduction device mounting space is reserved on the track plate, so that the bottleneck that the vibration and noise reduction performance is difficult to improve once the existing plate-type ballastless track bed is constructed and mounted can be effectively solved. Vibration is rapidly attenuated through a multi-resonance and damping energy dissipation combined structure. The sound-absorbing thin cover plate structure containing the porous elastic particle bonding material can realize a sound-absorbing function on a micro scale, so that the structure size is obviously reduced.
本发明提供了一种内嵌式多重复合吸振降噪一体化轨道及其施工方法，涉及铁路轨道技术领域，包括轨道板、多重谐振组合结构和吸音薄盖板结构。所述轨道板中间设有矩形安装槽。所述多重谐振组合结构安装在矩形安装槽内，包括依次连接的多块消振块，每块所述消振块包括质量体和包裹质量体的弹性层。所述吸音薄盖板结构位于多重谐振组合结构上方，连接轨道板上表面。本发明通过在轨道板上预留有减振降噪装置安装空间，可有效解决既有板式无砟道床一经施工安装就难以提升减振降噪性能的瓶颈。通过多重谐振与阻尼耗能组合结构使振动得到快速衰减。含多孔弹性颗粒粘接材料的吸音薄盖板结构可在微观尺度上实现吸音功能，使得结构尺寸显著缩小。
Embedded multi-composite vibration absorption and noise reduction integrated track and construction method thereof
一种内嵌式多重复合吸振降噪一体化轨道及其施工方法
YE JUN (author) / GUO XIAO (author) / CUI RIXIN (author) / SUN JINGLIN (author) / ZHANG DONGFENG (author) / SHI YI (author) / DING JINGBO (author) / YU LEI (author) / LI MIN (author) / LI JUNXI (author)
2024-03-15
Patent
Electronic Resource
Chinese
IPC:
E01B
PERMANENT WAY
,
Gleisoberbau
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