施工技術(4)

[VI-382] Ground improvement of foundation ground of coal storage facility by INSEM method.

〇Kei Sato¹, Yoshinobu Shigekawa², Akihiko Ogata¹, Yoshinori Nishiuchi¹, Hitoshi Goto¹ (1.KUMAGAIGUMI, 2.THE CHUGOKU ELECTRIC POWER CO)

Keywords:INSEM method, IN situ excavated material, Replacement method, Ground improvement, Foundation ground

The construction position developed land for a hill country of 0-50m above sea level to current 5m above sea level at the time of the first unit construction, but part of coal storage facilities construction position center neighborhood was in condition to have buried the valley region where viscous soil containing the organic soil deposited (maximum GL-11m). We constructed it in INSEM (IN-situ Stabilized Excavated Material) method of construction as a method to improve the soft soil of the valley part by a disposal of foundation ground method by this construction.