Sound Insulation An Effective Way To Control Noise Pollution

Any sound that is unpleasant to the ears, whether it is of human, animal or machine-created, is termed as noise. Alarms, barking dogs, audio entertainment systems, loud people, fireworks and emergency sirens may at some time disrupt the normal flow of human or animal life, and may lead to noise pollution.

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Lecture_35 Air Pollution Control Devices-1

Lecture Series on Environmental Air Pollution by Prof. Mukesh Sharma Department of Civil Engineering IIT Kanpur



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BARIN - AUTOMATIC BRIDGE CONTROL ABCLine - Model ABC 200L

www.barin.it The ABC machines can also be used on noise/wind barriers up to 5.4 m. height, in case of standard supply. Bigger heights can be fitted on specially designed machines, following the clients needs. The system utilized to overcome noise/wind barriers is a peculiar feature of the equipment, hence there is no need to mount/dismount any additional element to allow such operation during the job. Moreover the time needed to launch the equipment, also in presence of big height barriers, is still limited to just some minutes. ABC platforms, the ideal mean to carry out fast inspections and repair jobs of any kind, can be fitted also with the Assistant Ladder device, allowing the personnel an easy access within beams intradosses. The wide platforms of ABC range allow the operators to carry out whichever repairing job underneath the bridge deck level, by using pneumatic/electrical/hydraulic tools, directly powered by the sockets installed on board the platform same. Also demolition jobs can be carried out, by means of pneumatic hammers, in this case the platform must be formerly protected against the fall of rubble by using plastic nets. The most little equipment within the range is named ABC 60, it is mounted on to a 3.5 ton capacity truck chassis and it has been specifically designed to allow an easy and fast access to the lower parts of bridges having small sizes. Thanks to its high versatility and performances, matched with a really low price, ABC 60 model is the ...



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BARIN - AUTOMATIC BRIDGE CONTROL ABLine - Model AB 1210 COMBI

www.barin.it Designed to allow light inspection and maintenance jobs on rail/road bridges and viaducts, the bucket-type machines belonging to the AB LINE production range are conceived to offer a high manoeuvre speed, agility and operational safety. They are installed either on to truck, as far as the road version is concerned, or on to power-operated trolleys and wagons for the rail version. AB machines guarantee a high versatility and allow the access to structures placed either overhead and underbridge. The bucket, large enough to seat 3 persons plus tools, is made up in light aluminium alloy or in fibreglass and it can reach a working height from 10 up to 22,5 m., depending on the model. A threefold levelling device allows to operate with the buckets floor perfectly horizontal, no matter the working condition is. AB line road version The horizontal outreach of the bucket underbridge goes from 5 to 22 m., depending on the model. Two control panels are fitted, one on board the bucket and the other one on chassis, connected with the rotating turret. The machines are operated hydraulically and all manoeuvres are operated by means of electric and electronic devices. The personnel on board the bucket can control the slow hydrostatic translation manoeuvre of the unit, with the consent of the driver in the trucks cab, for whatever operational condition of booms. The primary power supply source of the unit comes from the diesel engine of the vehicle, by means of power take off ...



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