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All Journal Jurnal Mahasiswa Jurusan Teknik Sipil Rekayasa Sipil Civil Engineering Journal Civil and Environmental Science Journal (CIVENSE)
Eko Andi Suryo
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science

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Journal : Rekayasa Sipil

 1 
Analisis Probabilitas Keruntuhan Pada Lereng Tanah Residual Dengan Variasi Sudut Kemiringan Lereng Thiya Fianti; Eko Andi Suryo; Harimurti Harimurti
Rekayasa Sipil Vol 12, No 2 (2018)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2018.012.02.5

Abstract

Slope is (part of) the side of a hill or mountain. Slope stability became the main concern while working on a construction project, especially on road/highway project. Slope stability determined by soil parameters which include: physical & mechanical behavior of the soil, ground water level, rock mass structure, etc. Because there is an uncertainty on parameters value in the slope design, causing the slope vulnerable, it needs a concept such as probability analysis to find the stability of the slope. Probability analysis using Monte Carlo method involved a few parameters such as unit weight, cohesion and friction angle. Soil and Slope Geometry data were obtain from prior research. In this analysis there are three trials conducted with various slope angle along with similar material. The result will show a safety factor and failure probability percentage. From this analysis, it can be concluded that the steeper the slope, the lower safety factor number will be shown. The contrary result applied on probability of failure, the steeper the slope, the bigger probability of failure for soil material will occur.
AN ANALYSIS OF CRITICAL SLOPES STABILITY IN BENDOSARI VILLAGE, PUJON, MALANG DUE TO THE EFFECT OF RAINWATER INFILTRATION Nindia Rizky Ismawan; Eko Andi Suryo; Arief Rachmansyah
Rekayasa Sipil Vol. 16 No. 1 (2022): Rekayasa Sipil Vol.16. No.1
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2022.016.01.7

Abstract

A disaster is an incident which threatens and disrupts life. This research was purposed to determine the critical slope stability in Bendosari Village, Pujon due to rainwater infiltration. This research was conducted through ground laboratory test to investigate the type and characteristic of the soil, which then followed by testing of the geo-electric and topography to investigate the existing condition and the ground water level on the critical slopes and analyzed safety factor (SF) using SLOPE/ W for slope with rainwater infiltration effect. The analysis results proved that rainwater infiltration in both conditions could reduce the SF (Safety Factor) value. This is because the water content in the soil increased the pore water pressure. In addition, high water content in the soil reduced the soil shear strength
ROCK SLOPE STABILITY OF PONOROGO - PACITAN ROAD KM 232.5 USING ROCK MASS RATING (RMR) AND ROCPLANE SOFTWARE Hasyim Alhadar; Arief Rachmansyah; Eko Andi Suryo
Rekayasa Sipil Vol 15, No 3 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Geological structures and discontinuities in the rock are weak areas and groundwater infiltration pathways. The existence of geological structures and discontinuities will reduce the level of rock shear strength and the main implication is to increase the chance of landslides. The purpose of this study was to determine the type of sliding on rock slopes, rock mass classification, and to determine the stability of the rock slopes. Kinematic analysis obtained landslide type, rock mass classification analysis including medium rock mass class with an RMR value of 53. Slope stability analysis based on the generalized criteria Hoek & Brown failure obtained a safety factor value of 1.55 with a slope angle of 60°. Slope stability analysis based on Mohr-Coulomb criteria obtained a safety factor value of 1.59 with a slope angle of 70°.
Settlement of Dam During and End of Construction using Numerical Analysis Kurniawati, Tri; Suryo, Eko Andi; Zaika, Yulvi
Rekayasa Sipil Vol. 18 No. 3 (2024): Rekayasa Sipil Vol. 18 No. 3
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2024.018.03.4

Abstract

The construction process of the Tilong Dam induced significant settlement in the surrounding areas. This study aimed to enhance our understanding of the factors that influenced settlement behavior and improve the reliability of predictive models by using instrumentation data regarding the dam's vertical displacement. Numerical modeling was conducted to consider the actual embankment conditions and analyze the changes in the immediate settlement during and after construction. After the Tilong Dam construction, the measurements and numerical analysis showed settlements ranging from 0 to 832 mm. It was noted that settlements were expected during and after the construction, particularly at the dam's mid-sections. The back analysis method was employed to establish the values for material properties, specifically Young's modulus and Poisson's ratio, which affected the displacement. A multivariate regression comparison between the observed and predicted data yielded a determination coefficient (R²) of 0.914. This indicated a strong correlation between the observed and predicted values.
Optimization of the Number and Type Composition of Houses in Housing Development Using the Simplex Method (Case Study: Pesona Arjuna Residence, Malang Regency) Abdullah, Ali; Suharyanto, Agus; Suryo, Eko Andi
Rekayasa Sipil Vol. 19 No. 1 (2025): Rekayasa Sipil Vol. 19 No. 1
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2025.019.01.7

Abstract

The rising population in Indonesia has led to an increasing demand for housing, presenting opportunities and challenges for property developers. Although luxury homes yield higher profits, most consumers favor affordable housing. This study aims to optimize the quantity and type composition of homes in Pesona Arjuna Residence, Malang Regency, using the Simplex Method to maximize profits. Developers need to balance market demand and government regulations, which require including affordable and middle-income homes alongside luxury units. The Simplex Method is applied in this study to determine the ideal composition of housing units by factoring in key constraints such as available land, production costs, and market demand. The findings reveal that houses in buildings 12 type A, 18 type B, and 23 type C yield the highest profitability. The Net Present Value (NPV) of Rp 610,940,579.76 at a 10% discount rate confirms the project’s financial success, while the Internal Rate of Return (IRR) of 13.49% indicates a solid annual return on investment. A Benefit-Cost Ratio (BCR) of 1.617 further supports the project’s financial viability, though careful consideration of market fluctuations and risks is advised. This research contributes to sustainable urban planning by offering a flexible approach to housing development, enabling developers to better adapt to market trends and optimize profits while addressing community housing needs.
Co-Authors ., Imanuddin ., Lestari Adi Susilo Agata Iwan Candra Agriansyah, Eza Agung, P. A. Maha Agus Suharyanto Akbar, Muhammad Al Islami, Auliya Nusyura Ali Abdullah, Ali Alif, Faisal Abda Allo, Angeline Grace Alwafi Pujiraharjo Aqim, Angga Qinwanul Arief Rachmansyah Arief Rachmansyah Arthayoga Bendesa, Dimas Januar Arviananda, Ovy Ellen As'ad Munawir Bayu Tri Hardianto Berliana Ganesha Restuputri Christon, Hosea Adyo Cintya, Febrina Sagita Dieng Permana, Mochamad Amin Dwi Krisna, Septiyan Candra Dwi Edhi Wahyuni Setyowati Ella Candrawati Eva Arifi F, T Fadh, Ghulam Aghnia Fakhrozy, Rizky Faradillah Sheni Putri Amalia Farandy, Fairuz Ikbar Fauzi Rizky, Adi Widia Nur Firdaus, Adelina Maulidya Firdaus, Reza Novianda Gabrielle Satriyo Bayu Adinugroho H, Fadel Fadel Muhammad Hadiatma, Agvin Hanif Akbar Rabbany Harimurti Harimurti . Harimurti Harimurti Hasyim Alhadar Ibnu Tsauri Pradana Idmi, Mohammad Habibiy Indradi Wijatmiko Isadur Rofiq Iswara Elsam, Kevin Raditya Karimah, Maslin Akhlaqul Kartika Puspa Negara KARTIKA PUSPA NEGARA Kusumawati, Nafisah Octa Laras, Ario Widio M. Hamzah Hasyim M. Hamzah Hasyim M. Ruslin Anwar Ma’azza, Muhammad Ainun Maharani, Kharisma Tria Mahendra Wiyono, Yusry Anas Mahendra, Anfasa Tifani Minata, Afria Nurizky Mohammad Ichsanul Fikar Muhammad Akbar Tafzila Janika Muhammad Fathur Rouf Hasan Muhammad Hamzah Hasyim Mulyadi, Faqih Syahputra Munawir, As'ad Munawir, As’ad Musta, Baba Natalia, Karisa Ratih Nindia Rizky Ismawan Nugroho, Cendana Putri Nur Arifin, Hadi Mizan Nur Fadli, Aji Gigih Pramesthi, Shifa Ardhelia Pramudiyanto, Andi Pratama Yohanes, Raphael Eldy Pratama, Dicky Rosian Prihatama, Wirawan Yuda Purwowaskito, Danu Putra, Muhamad Darmawan Putranto, Arif Rahman Rafly, Naufal Rizkishoiful Kodri Rohmatillah, Siti Saidah, Heni Dewi Saifoe El Unas Shafira, Nisa Shofatul Uma, Atha Dhia Shofy Azizah Sirait, Solapida Glenesya Solikah, Vika Badius Stanislasia Pratiwi Bayu Ningtyas Andreani Suhartono, Gerrie Sulistyo, Herlambang Bagus Suroso . Suryono, Devi Sutan Haji, Alexander T. Tejokusumo, Radius Suryajaya Thiya Fianti Tiantara, Salma Fidela Tri Kurniawati, Tri Wahyu Nugraha, Aviantara Wibisono, Gunawan Widagdo, Yanuar Eko Wijaya, Theo Mahendra Yulvi Zaika Yulvi Zaika Zain, M. Nuhkhalid Zubaedah, Endah