Ventilation and pressure release type sound absorption and insulation barrier for high-speed railway
A technology for high-speed railways and sound barriers, applied to roads, noise absorption devices, tracks, etc., can solve problems such as operational constraints, high manufacturing costs, and limited load-carrying capacity, and achieve the requirements of reducing thickness, reducing the number of columns required, and reducing Effect of Mechanical Loading
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[0026] Example 1:
[0027] like figure 1 As shown in 4, the high-speed railway ventilation and pressure-relief sound absorption and sound insulation barrier of this embodiment includes a sound barrier sound insulation member 1 and at least three ventilation and pressure relief sound barrier modules 2 combined into a ventilation and pressure relief type sound absorption and sound insulation barrier. The pressure relief sound barrier module 2 is embedded in the sound barrier sound insulation member 1, and two adjacent ventilated pressure relief sound barrier modules 2 are arranged in a staggered position in the length direction of the sound barrier sound insulation member 1, that is, in the sound barrier sound insulation member 1. 1 The two adjacent ventilation and pressure relief sound barrier modules 1 in the length direction are not in the same straight line. On the one hand, this setting ensures the necessary flow and pressure relief area, and makes the force of the barrier ...
Example Embodiment
[0029] Example 2:
[0030] Two adjacent ventilation and pressure relief sound barrier modules 2 are arranged neatly and regularly in the length direction of the sound barrier sound insulation member 1, that is, two adjacent ventilation and pressure relief sound barrier modules 2 are on the same horizontal line, and the rest are the same as those in Example 1. same.
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