Sonic Barrier Acoustic Foam

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Railway sound barrier embedded bolt in the wrong direction how to deal with
Railway sound barrier embedded bolts in the wrong direction how to deal with, fasteners consultants Yu Wenlong that the railway sound barrier embedded bolt in the wrong direction, there is only one way to re-install the embedded bolts, only in strict accordance with the construction requirements to do Will be a problem, otherwise in case of a problem, huge losses and compensation who will bear.
What is the price of the sound barrier? What is the price of the sound-absorbing barrier for high-speed rail and expressway and railway station?
CITIC perlite sound absorption barrier 180 yuan / square
High-speed sound barrier What is the general specifications of the manufacturers, where the manufacturer?
High-speed sound barrier is usually height of 3 meters or 2.5 meters, high-speed sound barrier screen size is generally 1960 * 500, this, the use of metal galvanized sheet majority.
What is the sound barrier
Sound barrier is an environmentally sound noise reduction products
What is the current domestic production sound barrier is more famous?
Currently known as Jiangmen Tianchang Acoustic Hardware Electric Co., Ltd., the public development center began in 1996,
Highway sound barrier is generally placed in the tender documents where technical specifications
The current "road project domestic tender documents template" is the 2009 version. Ministry of Transport of the People's Republic of China May 11, 2009 Documents issued by the People's Republic of China on May 11, 2009: Traffic Bureau of Xinjiang Autonomous Region, Municipality, Xinjiang Production and Construction Corps (Bureau, Committee), Tianjin Municipal Highway Administration Bureau: Construction Bidding Management  specification prequalification documents ...
High iron sound barrier column is made of I-shaped or H-shaped steel to do.
That is not to say with H-shaped steel can also be? The The To answer Yes. I-shaped steel strength is high, sound barrier column does not require high strength, with H-beam is reasonable.
Is the Viaduct installed sound barrier useful to middle - level households?
Will be helpful, the sound is blocked by the sound barrier barrier from the top out, will greatly reduce the noise,