Fig. 23: Comparison of skeleton curves and secant stiffness.
a Seleton curve of DGPS, b Secant stiffness of DGPS, c Seleton curve of DGZT, d Secant stiffness of DGZT, e Seleton curve of DGJ, f Secant stiffness of DGJ.
Fig. 23: Comparison of skeleton curves and secant stiffness. | npj Heritage Science
