Table 4 Peak value and location of the principal stress and principal strain for each area of the SRMA rockery

From: Crack propagation risk threshold of classical garden rockeries based on LEFM

Western zone

Self-weight load

Principal stress

Principal strain

Peak value

199,000 Pa

0.00000366 Pa

Peak position

The middle of the entrance pillar of the west-side cavern, about 1.5 m from the foundation

The west side of the main peak, west central, about 1.25 m from the foundation

Central cavern

Self-weight load

Principal stress

Principal strain

Peak value

254,600 Pa

0.00000321Pa

Peak position

Top of the west entrance of the central cavern, about 2.2 m from the foundation

Top of the west entrance to the central cavern, about 2.2 m from the foundation

Local settlement of foundation

Principal stress

Principal strain

Peak value

4,580,000 Pa

0.00592 Pa

Peak position

The inner wall of the east exit of the central cavern, about 0.6 m away from the foundation

The inner wall of the east exit of the central cavern, about 0.6 m away from the foundation

Main peak east to the central area

Self-weight load

Principal stress

Principal strain

Peak value

84,200 Pa

0.00000183266 Pa

Peak position

From the peak of the main peak on the west side to the lower step of the central cavern, about 3.6 m away from the foundation

The entrance wall of the central cavern, about 0.2 m away from the foundation