| 摘要 |
<P>PROBLEM TO BE SOLVED: To check the shape of a soil improvement body represented by a diameter thereof in realtime during creation of the soil improvement body and control the quality of the soil improvement body. <P>SOLUTION: The quality control method for a soil improvement body 5 which is created by injecting a hardening solution 6 at high pressure from an injecting rod 12 penetrating into the soil comprises: installing optical fiber measuring devices 21, 22 and 23 measuring at least one of temperature and distortion in advance in the soil in which the soil improvement body 5 is created; and continuously measuring at least one of temperature and distortion of the soil in which the soil improvement body 5 is created by the optical fiber measuring devices 21, 22 and 23 during creation of the soil improvement body 5, and tracking a history of the measurement result to check the shape of the soil improvement body 5 represented by a diameter thereof in realtime. <P>COPYRIGHT: (C)2012,JPO&INPIT |
