軟弱地盤の液状化災害

Abstract

To date, numerom researches have been pursued on the liquefaction of saturated loose sand inconnection with the investigation of the possible disastrous effects of earthquakes upon soft ground.In this report, the author attempts to devote a discussion on the following items: (1) liquefactionof quick soils, e.g. quick clay and true quick sand, (2) liquefaction of saturated sand due to cyclicloading and (3) evaluation of liquefaction potential of a deposit. It is further attempted to esti-mate the liquefaction potential at Osaka area for some design earthquake, and the results areshown in Fig. 8.