Elastic-Plastic Behavior of Compacted Loess under Direct and Cyclic Tension

Table 4

Fitting slopes of the loading curves (σ × ε).

Water content		Linear fitting of loading curves
		1st	2nd	3rd	4th
Pattern I	16%	y = 149.29x + 2.1058	y = 129.5x − 0.2223	y = 126.58x −  3.1179	y = 109.03x − 4.7518
	18%	y = 118.52x + 0.9766	y = 97.668x − 0.8987	y = 86.676x  −  3.1876	y = 81.932x − 6.1712
Pattern II	18%	y = 162.14x + 1.124	y = 155.99x − 0.1516	y = 143.52x − 1.5248	y = 131.5x − 3.538
	16%	y = 125.86x + 0.9057	y = 111.83x − 0.6882	y = 103.32x − 2.504	y = 89.867x − 4.5849