www.mashizdat.ru ИССЛЕДОВАНИЯ УДК.: 539.383 Ruslan Askarbekov USING OF RUBBER METAL ELEMENTS FOR PROTECTION FROM HARMFUL EFFECTS OF FLUCTUATIONS This article identifies the effectiveness of the use of rubber-metal elements for seismic and vibroisolation of buildings structures as well as vibration isolation equipment, transport vehicles, devices, etc. <...> The change of oscillation frequency depending on location of the sensors and signal converters were also examined from the experimental layout. <...> The shaker (manufacturer in Germany) and vibrometer (manufacturer in Russia) were used for obtaining the experimental data. <...> The building layout was made from metal square tube which was welded together with a rigid connection. <...> All incoming signals were processed by the module, which was then transmitted through RS432 device connected to the system block of PC. <...> The software Vibroscope was used to process the signal frequency of 0.4 seconds. <...> Measuring range between 10 and 1000 Hz. The graphs produced oscillation frequency over time. <...> Introduction Protection of buildings and other engineering structures from harmful effects of fluctuations is currently an issue of urgency. <...> Sources of fluctuations may be seismic waves in the ground and vibration technogenic character (railway, highway, construction equipment, etc.). <...> Impact noise and vibration on a human body is dangerous depending on the duration, frequency and amplitude of vibration and source of fluctuations [2]. <...> Design engineer and civil engineers offer modern methods of protection from the harmful effects of noise, vibration and fluctuations in buildings. <...> Rubber-metal support (RMS) is located under the base of the structural columns of the building. <...> RMS perceives the weight of the whole building due to the elastic properties of rubber to move without destruction of displacement of lower and upper supports plate of each other thus causing movement of the constructions relative to the foundation in pre-calculated range [5]. <...> For the experiment was set up model of the building and RMS layouts. <...> Square tubes were welded together (Fig. 1, a) for the rigid connection which were used to create mock. <...> The rubber layer neck was deepened to increase the shear strain RMS, 5mm height of the neck. <...> The oscillation amplitude was changed by using a special shaft. <...> The frequency was also adjusted by means of a toggle, which was mounted on the control panel of the shaker. <...> On the shaker has <...>