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All Journal JURNAL KAJIAN TEKNIK SIPIL Journal of Civil Engineering and Planning (JCEP) De`Teksi : Jurnal Teknik Sipil
Nisa, Mitsaq Addina
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Materials Science & Nanotechnology Transportation

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Penerapan Metode Cyclic Stress dalam Analisis Likuifaksi pada Hotel 9 Lantai di Semarang Nisa, Mitsaq Addina; Yuli Fajarwati; Danang Purwanto
Jurnal Teknik Sipil Vol. 9 No. 2 (2024): De'Teksi : Jurnal Teknik Sipil
Publisher : Universitas Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56071/deteksi.v9i2.974

Abstract

Penelitian ini bertujuan untuk mengevaluasi potensi likuifaksi di lokasi pembangunan Hotel Grandhika Pemuda Semarang, yang terletak di wilayah rawan gempa. Mengingat kondisi tanah yang tidak stabil dan adanya bangunan tinggi di sekitarnya, evaluasi ini sangat penting untuk memastikan kekuatan dan keamanan struktur bangunan. Data yang digunakan mencakup hasil uji tanah (SPT), kelas tanah, dan percepatan gempa maksimum (PGA) yang diperoleh dari Desain Spektra Indonesia. Analisis dilakukan menggunakan metode Cyclic Stress untuk menghitung rasio tegangan siklik (CSR) dan rasio ketahanan siklik (CRR). Hasil analisis menunjukkan bahwa potensi likuifaksi terjadi pada kedalaman 4 meter, sedangkan pada kedalaman 6 meter likuifaksi tidak terdeteksi. Nilai CRR yang lebih rendah dari CSR pada kedalaman 4 meter mengindikasikan kerentanan tanah terhadap likuifaksi, dengan Liquefaction Potential Index (LPI) menunjukkan tingkat kerentanan moderat hingga tinggi. Berdasarkan temuan ini, penggunaan fondasi dangkal tidak disarankan. Sebagai alternatif, fondasi dalam dianjurkan untuk mencapai lapisan tanah yang lebih stabil pada kedalaman ≥6 meter, guna memastikan keamanan dan stabilitas struktur bangunan
ANALISA INTENSITAS HUJAN DI SUNGAI SUNTER JAKARTA UTARA Schulz, Niki Gustav; Nisa, Mitsaq Addina
JURNAL KAJIAN TEKNIK SIPIL Vol 6, No 1 (2021): JURNAL KAJIAN TEKNIK SIPIL
Publisher : Universitas 17 Agustus 1945 Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52447/jkts.v6i1.5015

Abstract

AbstractThe amount of rainfall intensity in an area is very important to be known, studied, discussed and studied in civil engineering. Analysis of rainfall intensity in a watershed can be calculated by several methods, for daily rainfall data the intensity can be calculated using the Mononobe method. This study aims to calculate the intensity of rainfall in the Sunter River using the Mononobe method. Rain data in this study uses daily rain data from the Tj. North Jakarta Priok. The calculation of the data in this study was carried out with the help of Microsoft Excel program. The results of this study indicate that the Mononobe method is able to calculate the amount of rain intensity in the Sunter River based only on daily rainfall data. Keywords: Rainfall Intensity, Sunter River, Mononobe Methode
Literature Study on the Potential of Rice Husk Ash as a Local Pozzolanic Material in Concrete Nisa, Mitsaq Addina; Ansadilla Niar Sitanggang
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 1 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i1.10399

Abstract

The production of cement, as the primary material in concrete manufacturing, significantly contributes to global carbon emissions. To mitigate this impact, one of the solutions being developed is the use of natural or artificial pozzolanic materials as partial substitutes for cement. Rice Husk Ash (RHA) is an agricultural waste rich in amorphous silica and holds great potential as a local pozzolanic material in Indonesia. The review results show that using RHA in the range of 10–20% can enhance the compressive strength and improve concrete resistance to aggressive environments. The effectiveness of RHA is highly influenced by the fineness of its particles and the combustion process. Considering its availability and environmental impact, RHA has great potential as an eco-friendly material solution for construction based on local resources.
Co-Authors AA Sudharmawan, AA Ansadilla Niar Sitanggang Schulz, Niki Gustav Yuli Fajarwati