Introduction of sound barrier safety door?

What is a sound barrier security door? Generally speaking, what is the introduction of sound barrier safety doors in China's construction industry? What is the basic situation? The following is the related content of professional architectural terms of sound barrier safety door compiled by Zhong Da Consulting Bianxiao Company, and the basic situation is as follows:

First of all, let's understand the basic introduction of the sound barrier safety door:

The sound barrier is used to absorb and isolate the direct sound of the propagating noise source. A sound absorption and insulation shielding system is set between the noise source and the receiver, so that the receiver is placed in the sound shadow area, which has a good isolation effect on the spread of noise. Nowadays, with the rapid development of railway, a lot of noise pollution has been produced, and the noise barrier has become an important measure to control traffic noise pollution because of its small occupation, convenient manufacture and installation, and appropriate engineering investment.

In the design of sound barrier, because the sound barrier is continuously set at the noise protection point, it is necessary to evacuate people in the event of an accident on this road section, so it is necessary to set up an emergency exit on this road section or design the sound barrier on different floors.

Material selection of sound barrier safety door design;

1, material selection

The design of sound barrier safety door must take into account that the door can also play the role of sound insulation, so the interior of the safety door also needs to be filled with sound-absorbing and sound-insulating materials, and the outer frame material needs to have a certain strength, depending on the local external situation and line conditions.

Step 2 design

In general design, a safety door is set every 500 meters of sound barrier, which can be single-door structure or double-door structure. The key point of the design is that the door can be pushed open directly on the inner side of the road to ensure the evacuation of people in an emergency, while on the outer side of the road, the door must be opened with a key to ensure that outsiders cannot enter the interior of the road casually. The color of the safety door is basically the same as that of the sound barrier, but eye-catching signs must be set to prompt.

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