Sound barrier for rail traffic road
A technology for rail transit and sound barriers, which is applied in construction, noise absorption devices, etc., can solve the problems that the sound barriers cannot be resolved, shorten the service life of the sound barriers, and cannot meet the needs of energy-saving lighting for vehicles at night, so as to improve the service life and prevent Effect of noise transmission and environmental protection
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[0020] The present invention will be further described below with reference to the accompanying drawings and examples, and the embodiments of the present invention include but not limited to the following examples.
[0021] Such as Figure 1 to Figure 3 As shown, a sound barrier for rail traffic roads includes a plurality of sound barrier units connected in sequence; the sound barrier unit includes a shell 1 with a front panel 2 and a rear panel 3; a honeycomb core is arranged between the front panel 2 and the rear panel 3 4. The inner top and inner bottom of the shell 1 between the honeycomb core 4 and the rear panel 3 are respectively provided with a sound insulation board 6 and a sound absorption board 7 to form a continuous M or W-shaped channel 5; the channel is filled with sound-absorbing material 8; this The noise generated during the operation of the train in the invention passes through the front panel 2, the honeycomb core 4, the M or W-shaped channel 5, and the rear...
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