Đặc tính DẺO
TS. KIỀU LÊ THỦY CHUNG
Khoa KT ĐỊA CHẤT & DẦU KHÍ
của ĐẤT
Nội dung buổi học
•Các giới hạn Atterberg
•Khoáng vật sét (Kao. – Ill. – Mont.)
•Hệ số hoạt tính của sét
•Tỷ bề mặt
Các giới hạn Atterberg
Giới hạn chảy – LL or Wch
Giới hạn dẻo – PL or Wd
Giới hạn co (ngót) – SL or Wco
Cứng Dẻo Chảy
Nửa
cứng
Trạng
thái
Độ
ẩm w (%)
Độ
sệt B < 0
B = 0
0 < B < 1
B = 1
B > 1
Hành
vi
ứng
xử
của
đất
PI
PLw
B
PI = LL - PL
SL PL LL
Thiết bị thí nghiệm giới hạn chảy
![Bài giảng Trắc địa xây dựng [chuẩn nhất]](https://cdn.tailieu.vn/images/document/thumbnail/2026/20260310/hoaphuong0906/135x160/61031773283870.jpg)
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