In the case of clay, it is necessary to develop the shifting stresses of the value in which the connections between the particles would be violated and the latter would be shifted to a denser position. And in this case, the work of the vibrator is very important in resonance mode, as well as in the case of sand, but this is not the only requirement. The advantage of resonance is that the soil mass alternately experiences compression and stretching, which affects the films of moisture between the particles and, probably, reduces the resistance to the shift. In addition, the stress in the ground during resonance intensifies many times. These non -loyal machines are effective when compiling coherent soil in layers of 15 to 20 cm. Meanwhile, the same specific pressure can be developed by a surface vibrator, the static load from which creates a pressure of only 0.7 kg/cm2.There are four basic rules for designing surface vibrators that allow you to get the maximum effect with the minimum weight of the machine. It is profitable to buy an apartment in Neftekumsk here.1. Work should be carried out at the resonant frequency of the vibrator system — soil.2. The dynamic force should be approximately equal to the weight of the vibrator.3. Static contact pressure of the vibrator on the ground should be about 0.7 kg/cm2 or higher.4. The moisture content of the soil should be equal or slightly higher than the maximum density required for a standard laboratory test for sealing. Superficial vibrators used in the construction of earthen structures are subdivided into site vibrators and vibrationatics. In most cases, available site vibrators have a relatively small weight and are designed to compact thin layers of incoherent material. Their efficiency is established when the coarse -grained grounds of road clothing are seized in other similar cases.
