MODELING OF SLOPE FAILURE WITH SEVERAL SCENARIOS OF CONCRETE COLUMN REINFORCEMENT

• Main Author: Elizabet, Fidelis
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/54607
• Institution: Institut Teknologi Bandung

Mining world can not be separated from the geotechnical factors, in particular the problem of slope stability. Therefore, a mining slope should always be monitored and maintained during the mining operation. Slope stability is influenced by several internal factors and external factors, one of them is vibration. In this work, the test was conducted by using silty sand soil material with the volume ratio of the sand and clay were 7: 3. The height of slope was 15 cm and angle of slope was 30°. The concrete column’s material was consisted of a mixture of sand and cement with the same volume ratio. The experiments were conducted with centrifuge modeling technique to obtain critical acceleration of slope to failure with several scenarios of concrete column reinforcement. Based on the result of the tests, the critical acceleration of unsupported soil slope was 0.67 g - 0.84 g. The results show that the critical acceleration of soil slope presents an increasing trend with the increase in number of concrete columns, and the volume of landslide presents a decreasing trend with the increase in number of concrete columns applied on slope.