Studi Literatur: Pengaruh Nilai UCS Dalam Menentukan Faktor Keamanan Lereng Batuan Di Indonesia
DOI:
https://doi.org/10.62278/jits.v3i2.84Keywords:
batuan, faktor, keamanan, lereng, UCSAbstract
Kestabilan lereng batuan merupakan aspek kritis dalam rekayasa geoteknik, khususnya di Indonesia yang memiliki topografi kompleks dengan dominasi batuan vulkanik. Nilai Uniaxial Compressive Strength (UCS) merupakan parameter fundamental yang mempengaruhi perhitungan faktor keamanan lereng. Penelitian ini bertujuan melakukan tinjauan literatur sistematis terhadap pengaruh nilai UCS dalam menentukan faktor keamanan lereng batuan vulkanik di Indonesia, dengan fokus pada potongan jalan dan lereng alami periode 2020-2025. Hasil kajian menunjukkan nilai UCS batuan vulkanik Indonesia berkisar 50-100 MPa dengan korelasi positif terhadap faktor keamanan, dimana peningkatan UCS sebesar 10 MPa dapat meningkatkan faktor keamanan hingga 0.14. Kombinasi UCS dengan parameter GSI (65-85) menghasilkan prediksi faktor keamanan yang lebih akurat (FS = 1.2-2.6). Pelapukan tropis menyebabkan degradasi UCS hingga 60-70% pada zona permukaan (0-3 m). Kondisi hidrologi menunjukkan pengaruh dominan dimana peningkatan muka air tanah 70 m dapat menurunkan faktor keamanan hingga di bawah 1.2. Implikasi praktis menekankan pentingnya pengujian UCS representatif, klasifikasi massa batuan terintegrasi, dan prioritas manajemen hidrologi untuk meningkatkan faktor keamanan lereng batuan vulkanik di Indonesia.
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