19 Mud Shrinkage and Cracking Phenomenon Experimental …
385
Fig. 19.3 Flexure tests on little-beams of clays by Ighil Ameur and Hattab (2017). a Flexure test
results under different imposed initial suctions. b Digital image correlation performed at the peak
of maximum strength (with the initial suction of s = 5.32 MPa, 35 mm, 10 mm, and 10 mm of
dimensions)
Table 19.1 Physical and mechanical properties of kaolin K13
Material Liquid
limit w L
(%)
Plastic
limit w P
(%)
Shrinkage
limit w s
(%)
Solid
grain
density
<%
80 µm
<%
2 µm
Compression
index C c
Swelling
index C s
Kaolin
K13
42
21
17–24
2.63
100
83
0.28
0.09