某黃土場地中圓形承壓板面積為0.50m2,壓力與浸水下沉量記錄如下表所示。該場地中黃土的濕陷起始?jí)毫椋ǎ?img src="https://newimg.ppkao.com/2015-11/longgang/2015110515344663600.png" />