Clay cap underlain by loose sand, with caisson [Test I-B]

Test I-B included a soil profile with upper clay cap, the rigid caisson, and no deflection wall element. Soil profile consists of 10 m of loose sand underlain by 2 m of dense, lightly cemented sand.试验I-B包含带有上部黏土盖层的土体剖面、刚性沉箱，且未设置抗偏转墙构件。该土体剖面由10米厚的松散砂土构成，其下伏2米厚的密实弱胶结砂土。