Abstract
A highway deep cutting slope is in Guizhou province, with a total length of about 258m and a maximum excavation height of 49.96m. after continuous heavy rainfall, groundwater seeped out on the slope, and cracks appeared. Based on calculation and engineering experience, the slope was reinforced by anchor ropes and anti-slide piles. After the treatment, the deformation of the slope was monitored by GNSS displacement monitors, and the results of displacement monitoring show that the three monitoring points No.1, No.2 and No.3 are relatively stable, and the daily accumulated horizontal displacement of monitoring point No.4 is relatively large, reaching 400mm on March 17th, but the change rate of displacement tends to slow down gradually.
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