NUMERICAL STUDY OF UPLIFT FORCES ON GEOFOAM EMBANKMENTS OVER PEAT SOIL UNDER FLOOD CONDITIONS AND ADDITIONAL LOADS Bambang Setiawan 1*, Yusep M. Purwana 1, Galuh Chrismaningwang 1, Niken S. Surjandari 1, Brilian B. Prakosa 1, Aminulloh Risqi Hidayat 1, and Andika Syahal Mahfuzh 1
1 Civil Engineering Department, Sebelas Maret University, Surakarta, Indonesia