Ahmad Syarif Sukri
Department of Civil Engineering, Halu Oleo University, Kendari 93232,
Indonesia

Saripuddin M.
Faculty of Engineering, Islamic University of Makassar, Makassar 90245,
Indonesia

Riswal Karama
Department of Civil Engineering, Hasanuddin University, Makassar 90245,
Indonesia

. Nasrul
Department of Civil Engineering, Halu Oleo University, Kendari 93232,
Indonesia

Romy Talanipa
Department of Civil Engineering, Halu Oleo University, Kendari 93232,
Indonesia

Abdul Kadir
Department of Civil Engineering, Halu Oleo University, Kendari 93232,
Indonesia

Nini Hasriani Aswad
Department of Civil Engineering, Halu Oleo University, Kendari 93232,
Indonesia