Explanipedia

Investigating the Impact of Mixing the Fine-Grained with Bentonite on its Physical Properties and Consistency Limits Open

Hairulla Hairulla, Tri Hariyanto, A. R. Djamaluddin, Ardy Arsyad · 2025

Expansive soil is strongly influenced by the water content inside the soil particle , the significant changes of moisture content cause volume changes. The swelling and shrinkage potential of the soil can be indirectly identified by runnin…

Spatial Autocorrelation (SPAC) Method for Subsurface Shear Wave Velocity Profiling: A Non-invasive Approach to Site Characterization Open

Erfan Syamsuddin, Abul Fazal M. Arif, Makhrani, Ardy Arsyad, Effendi Rustan · 2025

Geology Physics Mathematics

The Spatial Autocorrelation (SPAC) method is considered a robust method for site characterization and seismic hazard assessment, being a nondestructive but credible method for determining subsurface shear wave velocity profiles. This resea…

Soil Reinforcement using Waterglass and Sulfuric Acid with Injection Grouting Method Open

Irwan Irwan, Abdul Rachman Djamaluddin, Achmad Bakri Muhiddin, Ardy Arsyad · 2025

Materials science Environmental science Geology

A common problem often encountered in infrastructure development, especially in tunnelling projects, involves non-cohesive soils with high groundwater levels. In tunnelling projects, the existence of non-cohesive soil is very susceptible t…

Examining the Erosion Resistance of Cement-Bentonite Barriers: Effects of Confining Pressure and GGBS Content Open

Muhammad A. Walenna, Alexander Royal, Ian Jefferson, Gurmel S. Ghataora, Tri Harianto , et al. · 2025

Materials science Geology Biology

This study investigates the erosion resistance of cement-bentonite (CB) barriers, focusing on the role of varying levels of Ground Granulated Blast Furnace Slag (GGBS) content and confining pressure, crucial for infrastructure such as dams…

Bearing Capacity and Strength of Bacterial Soil Columns Full-Scale Tests Open

Rokhman, Tri Harianto, Achmad Bakri Muhiddin, Ardy Arsyad · 2025

Environmental science Geology Geography

Infrastructure development often faces challenges due to soils with low bearing capacity, which can potentially cause instability and subsidence and threaten the safety of structures. Therefore, an efficient and environmentally friendly st…

Machine Learning-Enhanced InSAR for Landslide Mapping: Differentiating Landslides from Ordinary Ground Movements Open

Ardy Arsyad · 2025

Geology Computer science Geography

Landslide inventory mapping over large, remote, and inaccessible areas remains a significant challenge due to the limitations of traditional field-based methods. Satellite-based InSAR (Interferometric Synthetic Aperture Radar) technology o…

The Performance of Geosynthetic Reinforcement Road Pavement Over Expansive Soil Subgrade Open

Hairulla Hairulla, Tri Harianto, Abdul Rahman Djamaluddin, Ardy Arsyad · 2024

Engineering Environmental science Geology

One of the problems faced in infrastructure development, especially roads, is problematic soils, including expansive soils, which are distributed around 20% of national road construction in Indonesia. Geosynthetics are reinforcement materi…

Seismic Performance of Reinforced Concrete Buildings in the 2021 Mamuju-Majene Earthquake Mw. 6.2, Sulawesi Indonesia Open

Ardy Arsyad, Muhammad Asyhari, Mufidatul Azmi Kaharuddin · 2024

Geology Engineering

The seismic performance of RC buildings in Mamuju in West Sulawesi of Indonesia during the 2021 Mamuju-Majene earthquake is examined. Despite the earthquake's recorded acceleration being just 0.26 g, or 25% of the predicted acceleration (1…

SOIL MECHANICAL CHARACTERISTICS IMPROVEMENT WITH BACTERIAL BIOCEMENTATION TECHNOLOGY Open

Abdul Rachman Djamaluddin, Tri Harianto, Ardy Arsyad · 2024

Environmental science Geology

The aim of this study is to establish a subgrade layer by field-scale testing using a 6% Bacillus subtilis bacterial solution in Microbially Induced Calcite Precipitation (MICP), altering the bacterial culture's age by four days and curing…

Bearing capacity of helix pile on tropical fibrous peat soil under compression loading Open

Ardy Arsyad, Pebrinar Riani Sangle, Andi Baso Firmansyah, Eko Budianto · 2023

Environmental science Geology Materials science

Fibrous peat soil is a type of soil which comprises of fibrous organic materials, changed and fossilized to be a soil in wetland. This type of soil is generally deposited in the lowlands of East Sumatera, Central and South Borneo, and West…

Soil Reinforcement Model Test Using Timber Pile at Liquefaction Area Open

Suyadi Suyadi, Tri Harianto, A B Muhiddin, Ardy Arsyad · 2023

Environmental science Geology Engineering

Indonesia is a tropical country threatened by many disasters, such as earthquakes and other collateral hazards (liquefaction). Utilization of micro pile on the liquefaction prone areas is quite popular to increase the soil bearing capacity…

The Behavior of Dredged Soil-Shredded Rubber Embankment Stabilized with Natural Minerals as a Road Foundation Layer Open

Komang Arya Utama, Tri Harianto, A B Muhiddin, Ardy Arsyad · 2023

Environmental science Engineering Materials science

Recently, geotechnical studies have been conducted more progressively to utilize dredged soil. The inclusion of shredded rubber (SR) and natural minerals (NM) to stabilize dredged soil (DS) has become an exciting issue in the geotechnical …

Liquefaction Potential Assessment for the City of Mamuju Sulawesi by using N-SPT based methods Open

Ardy Arsyad, Andi Asti Nur Amaliyah, Sopian Paerong, Abdul Rahman Djamaluddin · 2022

Geology Computer science

Mamuju is the capital city of West Sulawesi Province which has experienced severe damages along its infrastructures due to Majene Earthquake Mw. 6.2 on January 15th 2021. On that event, liquefaction phenomenon has been found on several pla…

Deterministic and probabilistic Seismic Hazard Assessments for Merangin Kerinci Sumatera Open

Ardy Arsyad, Akhmad Bakri Muhiddin, Farouk Maricar · 2022

Geology Geography Mathematics

This paper presents calculated ground motions for Merangin Kerinci in the Provinsi of Jambi Sumatera. The ground motions were calculated using a probabilistic seismic hazard analysis. The earthquake catalogue used in the analysis included …

The Compressive Strengh Of Cohesive Soil Stabilized With Microbial Induced Cementation Open

Alkadri, AR Djamaluddin, Tri Harianto, Ardy Arsyad · 2022

Materials science Chemistry Environmental science

This research aims to evaluate the physical and mechanical characteristics of soil stablized with microbial induced cementation method. The variation of microbial induced by 4%, 6%, and 8%, while the age variations of bacterial culture of …

Mechanical properties of dredged soil reinforced with natural pozzolan and shredded tires Open

Komang Arya Utama, Tri Harianto, A B Muhiddin, Ardy Arsyad · 2022

Materials science Environmental science Engineering

The utilization of waste materials is still an interesting subject to investigate. The dredged soil (DS) was classified as a waste material that requires more effort to improve its mechanical properties. Adding natural pozzolan (NP) materi…

Effect of eucalyptus pellita timber-pvd hybrid pile as a vertical drain on soft soil. Open

Suyadi Suyadi, Tri Harianto, A B Muhiddin, Ardy Arsyad · 2022

Environmental science Materials science Geology

The innovative technique of a hybrid PVD timber pile as a vertical drain can be implemented to reinforce and improve soft soil. In this case, the acceleration of pore water dissipation could increase shear strength. The at soil of this stu…

Compressive Strength Characteristics of Trass Stabilized Dredged Soil Open

Komang Arya Utama, Tri Harianto, Achmad Bakri Muhiddin, Ardy Arsyad · 2022

Environmental science Geology Materials science

Landslides from Mount Bawakaraeng caldera in 2004 has caused high dam sedimentation at the lower reaches of the Jeneberang River. The availability of this large sedimentary material makes this material need to be considered as an alternati…

Forensic investigation of Gumbasa irrigation main canal damage due to large-scale flow liquefaction in Sibalaya caused by the 2018 Sulawesi Earthquake Open

Sukiman Nurdin, Ardy Arsyad, Fitrawati A. Marhum, Hendra Setiawan · 2021

Geology Chemistry

This study conducted an extensive soil investigation in the Sibalaya liquefaction area to identify the Gumbasa main canal’s damage triggered by flow liquefaction. Several field tests and trenches with approximately 4 m were excavated to ob…

Factors of causing seawater intrusion in Kadatua Island, Southeast Sulawesi Open

Tamrin Tamrin, Farouk Maricar, M P Hatta, Ardy Arsyad · 2021

Environmental science Geology Sociology

In the last decade, there has been an increase in the population very rapidly not only in urban areas but throughout the villages of the region in Indonesia. This led to a huge increase in the need for clean water where the availability of…

The Performance Modeling of Modified Asbuton and Polyethylene Terephthalate (PET) Mixture Using Response Surface Methodology (RSM) Open

Franky E. P. Lapian, Muhammad Isran Ramli, Mubassirang Pasra, Ardy Arsyad · 2021

Materials science Mathematics Engineering

We often use the plastics daily, containing of polyethylene plastic polymers which recently can be utilized as additional material for road pavements. Several studies have attempted to find the optimum proportion of an asphalt mixture usin…

Experimental Study on Bearing Capacity of Alkaline Activated Granular Asphalt Concrete Columns on Soft Soils Open

Erdawaty Erdawaty, Tri Harianto, A B Muhiddin, Ardy Arsyad · 2020

Materials science Environmental science Geology

In civil engineering, alternative materials showed rapid progress. Asphalt derived from Buton Island in Indonesia, also known as Asbuton, was located in the limestone bedrock. A large deposit of Asbuton could guarantee the supply of altern…

Large distance flow-slide at Jono-Oge due to the 2018 Sulawesi Earthquake, Indonesia Open

Hemanta Hazarika, Divyesh Rohit, Siavash Manafi Khajeh Pasha, Tsubasa Maeda, Masyhur Irsyam , et al. · 2020

Geology Geography Physics

There was a shallow earthquake in the Central Sulawesi province of Sulawesi island of Indonesia with a moment magnitude (Mw) 7.5 on 28th September 2018 at 18:02:44 local time. The event was preceded by major foreshocks and followed by afte…

Large-scale flowslide in Sibalaya caused by the 2018 Sulawesi earthquake Open

Mitsu Okamura, Kohei Ono, Ardy Arsyad, Utari Sriwijaya Minaka, Sukiman Nurdin · 2020

Geology Chemistry

On 28th September 2018, an earthquake of Mw 7.5 hit the Central Sulawesi province in Indonesia. This was followed by liquefaction-induced large-scale ground flows in several areas in Palu city and its neighborhood. A significant characteri…

Correlation of modulus elasticity of Falling Weight Deflectometer (FWD) towards Light Weight Deflectometer (LWD) laboratory Open

Lucky Caroles, A. R. Djamaluddin, A A Amiruddin, Ardy Arsyad · 2020

Engineering Geology Mathematics

Develop a new laboratory LWD and this study aims to analyse the laboratory version of the LWD with the field version of the LWD currently developed by Bina Marga, Indonesia. Basically, the working principle of the developed laboratory LWD …

Landslide susceptibility mapping along road corridors in west Sulawesi using GIS-AHP models Open

Ardy Arsyad, Wan Abdul Hamid · 2020

Geography Geology Computer science

Landslide susceptibility mapping (LSM) along road corridors is a fundamental tool for road planners and transportation decision-makers in determining the severity of slope failure areas, and in planning effective landslide prevention strat…

Geotechnical profiles of expansive soil hazard for road infrastructure: Case study of Takalar-Jeneponto provincial road corridor Open

Wahniar Hamid, Lawalenna Samang, Tri Harianto, A. R. Djamaluddin, Ardy Arsyad · 2020

Geology

This paper presents a developed geotechnical profiles which can be utlized to map expansive soil hazard for road infrastructure. The geotechnical profiles are a fundamental part of newly framework of establishing expansive soil hazard mapp…

Experimental study on marshall stability and flow of Asphalt Concrete Wearing Course (AC-WC) mixture using Asbuton semi extracted as binder Open

Irianto Irianto, Abdul Rachman Djamaluddin, Mubassirang Pasra, Ardy Arsyad · 2020

Materials science Environmental science Geology

This study is a part of an on going research program to optimize the utilization of the huge deposit of natural asphalt in several areas in Buton Island, Indonesia. In asphalt production processes it is important to think about energy savi…

Characteristics study of buton granular asphalt as filling material of column Open

Erdawaty, Lawalenna Samang, A B Muhiddin, Ardy Arsyad · 2020

Materials science Geology

Granular Asbuton is a natural material that occurred millions of years ago. Asbuton is a huge natural asphalt reserve. The bitumen content of Asbuton is located in an inter-mineral cavity that is difficult to remove. If the layer is dug an…

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