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KAJIAN DESAIN PERBAIKAN TANAH DASAR LUNAK MENGGUNAKAN GEOTEKSTIL DALAM PEMBANGUNAN INFRASTRUKTUR KAWASAN PARIWISATA MANDALIKA Ari Ardiansah; Bagus Widhi Dharma S.; Aminullah Aminullah
SOSIAL SAINS DAN TEKNOLOGI Vol 1, No 1 (2021): Mei 2021
Publisher : LPPM PSDKU Kampus Mataram UNMAS Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1269.351 KB) | DOI: 10.35327/sosintek.v1i1.169

Abstract

Infrastructure development in the Mandalika tourism area has technical problems in the form of a thick layer of soft soil, so it is necessary to study the use of the geotekstile method as a development solution on soft soil. The geotekstile method is one of the materials technology methods used with polymer-based materials, which is very useful in solving problems related to soil stability and preventing uneven subsidence. The research objective was to determine the impact of the use of geotekstile in increasing soil stability, and to analyze road stability with geotekstile and without geotekstile using the study research method.The results of the study show that the construction of roads on soft soil, using geotekstile reinforcement, can increase soil stability so as to avoid local collapse. Soil study with geotekstile and without geotekstile, there is an ITP value of 12, Total Settlement using geotekstile of 67.8 cm while without geotekstile is 76.5 cm, Differential Sett on pavement using geotekstile is 5.9 cm while without geotekstile is 7.9 cm, Safety Number (SF) uses geotekstile amounting to 2.7 while without geotekstile of 1.3 and the volume of lost pile using a geotekstile of 47,000 m³ while without geotekstile of 47,500 m³
TINJAUAN ANALISIS HIDROLOGI BENDUNG (STUDI KASUS BENDUNG JANGKOK KECAMATAN NARMADA KABUPATEN LOMBOK BARAT) Arswendra Arswendra; Bagus Widhi Dharma S.; I Gusti Ngurah Octova Seventilofa
SOSIAL SAINS DAN TEKNOLOGI Vol 1, No 1 (2021): Mei 2021
Publisher : LPPM PSDKU Kampus Mataram UNMAS Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/sosintek.v1i1.170

Abstract

Weir is one of the government's efforts to provide irrigation water and increase agricultural production. Any construction of a weir requires an appropriate hydrological analysis so that the weir planning can be technically and economically appropriate. The objectives of this study are: to determine the planned discharge in the Jangkok watershed. In this study, a descriptive quantitative approach is used, meaning that the problems discussed in this study aim to explain the state of the phenomenon status, namely knowing things related to the state of something in accordance with the phenomenon or symptoms that occur. Based on the description above, several problems can be formulated, including: The calculation of the flood discharge plan used the Haspers and Der Weduwen methods, after calculating the two methods obtained a small deviation, namely the Haspers method = 0.071 to 0.086 while the peak time (Tp) = 7,718 hours, the peak discharge of the Snyder synthetic unit hydrograph equation was developed.