Rainfall is the main factor leading to the landslide of expansive soil slope. To deeply understand the instability mechanism of expansive soil slope under rainfall conditions. it is necessary to clarify the strength attenuation mechanism of expansive soil caused by water absorption and swelling. Therefore. https://www.spidertattooz.com/OMEGA-Seamaster-Aqua-Terra-150M-220-10-38-20-02-001-p15833/