According to the construction scheme of a foundation pit enclosure project, the proposed site is located in ******, surrounded by water on all sides, and belongs to the Jiangxinzhou landform. According to the geological data provided by ****** Survey Institute, the stratum structure from top to bottom consists of miscellaneous fill, muddy soil, (including mud) medium sand, muddy soil mixed with fine sand, medium sand, crushed pebble, residual sandy clay, completely weathered granite, strongly weathered granite, moderately weathered