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Damage judgment system and damage judgment method of grid shaped soil improvement body as countermeasures against liquefaction
Damage judgment system and damage judgment method of grid shaped soil improvement body as countermeasures against liquefaction
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机译：垃圾形状土壤改良体损伤判断系统及损伤判断方法作为液化液化的对策
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摘要
Problem to be solved: to detect the damage of the whole soil improvement body by the simple method as a countermeasure against liquefaction, and to judge whether or not the continuous use of the soil improvement body is possible.In order to determine the damage of a grid shaped soil improvement body in which a vertical wall and a lateral wall are formed in the groundIt is installed in a part of the outer circumference intersection P of the lattice ground improvement bodyOscillator 11 oscillating shear waveIt is provided in the other part of the outer circumference intersection pDisposed in the vertical or lateral direction opposite to the oscillator 11A vibration receiving device 12 for receiving a shear wave velocity generated from an oscillator 11 to receive a shear wave velocityA data processing section for calculating residual strain based on the shear wave velocity received by a vibration receiverJudging from the residual strain, the damage state of soil improvement body 2 is obtained.Equipped withAt least, a damage judgment system of a structure in which two wave shear velocities propagating in the lattice of the soil improvement body 2 is observed.Diagram
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