Abstract: Ａｂｓｔｒａｃｔ：ＬａｎｄｓｌｉｄｅｉｎｔｈｅｈｉｌｌｙａｒｅａｏｆＺｈｅｎｊｉａｎｇｃｉｔｙｈａｓｔｈｅｃｈａｒａｃｔｅｒｉｓｔｉｃｓｏｆａｄｏｕｂｌｅｌａｙｅｒｓｔｒｕｃｔｕｒｅ
ｏｆ“ｓｏｉｌａｂｏｖｅａｎｄｒｏｃｋｂｅｌｏｗ”，ａｎｄｔｈｅｔｏｐｏｇｒａｐｈｉｃｃｈａｒａｃｔｅｒｉｓｔｉｃｓａｒｅｇｅｎｅｒａｌｌｙｓｔｅｅｐｏｎｔｈｅｔｏｐａｎｄ
ｓｌｏｗｏｎｔｈｅｂｏｔｔｏｍ，ｆｏｒｍｉｎｇｇｏｏｄｃａｔｃｈｍｅｎｔｃｏｎｄｉｔｉｏｎｓ，ｗｈｉｃｈｉｓｔｈｅｍａｉｎｔｙｐｅｏｆｌａｎｄｓｌｉｄｅｉｎｔｈｉｓａｒｅａ．
Ｉｎｏｒｄｅｒｔｏｇｒａｓｐｔｈｅｃｈａｒａｃｔｅｒｉｓｔｉｃｓａｎｄｄｅｖｅｌｏｐｍｅｎｔｔｒｅｎｄｏｆｔｈｉｓｔｙｐｅｏｆｌａｎｄｓｌｉｄｅ，ｏｎｔｈｅｂａｓｉｓｏｆｆｉｅｌｄ
ｓｕｒｖｅｙａｎｄｍｏｎｉｔｏｒｉｎｇ，ｔｈｅｃｈａｒａｃｔｅｒｉｓｔｉｃｓ，ｆｏｒｍａｔｉｏｎｍｅｃｈａｎｉｓｍａｎｄｆａｉｌｕｒｅｍｏｄｅｏｆｌａｎｄｓｌｉｄｅｗｅｒｅａｎａ
ｌｙｚｅｄｉｎＤＥａｎｄＥＦｓｅｃｔｉｏｎｓｏｆｔｙｐｉｃａｌａｒｅａｓｉｎｔｈｅｓｔｕｄｙａｒｅａ，ａｎｄｔｈｅｓｔａｂｉｌｉｔｙｏｆｌａｎｄｓｌｉｄｅｗａｓｃｏｍｐｒｅ
ｈｅｎｓｉｖｅｌｙｅｖａｌｕａｔｅｄｂｙＢｉｓｈｏｐｍｅｔｈｏｄ．Ｔｈｅｓｔｕｄｙｆｏｕｎｄｔｈａｔｔｈｅｓｏｉｌｒｏｃｋｉｎｔｅｒｆａｃｅｌａｎｄｓｌｉｄｅｓｉｎｔｈｅｈｉｌｌｙ
ａｒｅａａｒｅｍｏｓｔｌｙｄｅｖｅｌｏｐｅｄａｒｏｕｎｄｔｈｅｍｏｕｎｔａｉｎ．Ｔｈｅｏｖｅｒａｌｌｌａｎｄｓｌｉｄｅｉｓｔｈｉｎｉｎｔｈｅｆｒｏｎｔａｎｄｒｅａｒｅｄｇｅｓ
ａｎｄｔｈｉｃｋｉｎｔｈｅｍｉｄｄｌｅ．Ｔｈｅｌａｎｄｓｌｉｄｅｓｃａｒｐａｎｄｔｈｅｐｅｒｉｐｈｅｒｙｏｆｌａｎｄｓｌｉｄｅａｒｅｃｌｅａｒ，ａｎｄｔｈｅｓｃａｌｅｉｓ
ｄｏｍｉｎａｔｅｄｂｙｓｍａｌｌｌａｎｄｓｌｉｄｅｓ．Ｒａｉｎｆａｌｌａｎｄａｒｔｉｆｉｃｉａｌｓｌｏｐｅｃｕｔｔｉｎｇａｒｅｔｈｅｍａｉｎｉｎｄｕｃｉｎｇｆａｃｔｏｒｓｏｆｓｏｉｌ
ｒｏｃｋｉｎｔｅｒｆａｃｅｌａｎｄｓｌｉｄｅ．Ｕｎｄｅｒｔｈｅｃｏｎｄｉｔｉｏｎｏｆｒａｉｎｓｔｏｒｍ，ｔｈｅｓｈｅａｒｓｔｒｅｎｇｔｈｏｆｔｈｅｕｐｐｅｒｓｏｉｌｌａｙｅｒｉｓｏｂ
ｖｉｏｕｓｌｙｒｅｄｕｃｅｄ，ａｎｄｉｔｉｓｅａｓｙｔｏｓｌｉｄｅｄｏｗｎａｌｏｎｇｔｈｅｗｅａｋｓｔｒｕｃｔｕｒｅｕｎｄｅｒｔｈｅａｃｔｉｏｎｏｆｇｒａｖｉｔｙａｎｄｅｘ
ｔｅｒｎａｌｆｏｒｃｅｔｏｆｏｒｍｌａｎｄｓｌｉｄｅ．Ａｔｔｈｅｓａｍｅｔｉｍｅ，ｒｅａｓｏｎａｂｌｅｓｕｇｇｅｓｔｉｏｎｓａｒｅｇｉｖｅｎｆｏｒｏｂｔａｉｎｉｎｇｇｅｏｔｅｃｈｎｉ
ｃａｌｅｎｇｉｎｅｅｒｉｎｇｇｅｏｌｏｇｉｃａｌｃｈａｒａｃｔｅｒｉｓｔｉｃｓｉｎｔｈｅｒｅｇｉｏｎ，ｗｈｉｃｈｈａｓｃｅｒｔａｉｎｒｅｆｅｒｅｎｃｅｓｉｇｎｉｆｉｃａｎｃｅｆｏｒｔｈｅ
ｓｔａｂｉｌｉｔｙｅｖａｌｕａｔｉｏｎｏｆｓｏｉｌｒｏｃｋｉｎｔｅｒｆａｃｅｌａｎｄｓｌｉｄｅ．

Key words: ｈｉｌｌｙｌａｎｄｆｏｒｍ, ｓｏｉｌｒｏｃｋｉｎｔｅｒｆａｃｅ, ｌａｎｄｓｌｉｄｅｃｈａｒａｃｔｅｒｉｓｔｉｃｓ, ｅｖａｌｕａｔｉｏｎｏｆｓｔａｂｉｌｉｔｙ, Ｂｉｓｈｏｐ
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