The waste transportation system in Baturaja Timur District, Ogan Komering Ulu Regency, still faces inefficiencies in route planning, resulting in increased travel distance, operational time, and imbalance in vehicle load distribution. This study aims to optimize the distribution of waste collection vehicles through route improvement using the Saving Matrix method (Clarke & Wright) within the fr…
Riverbank settlements in Seberang Ulu I District, Palembang City, are highly susceptible to inundation due to a combination of low topography, limited drainage capacity, and solid waste accumulation in river bodies. This study aims to map the distribution of river waste and develop a GIS-based inundation potential map. The approach employed is the weighted overlay method incorporating six analy…
The high consumption of cement in the construction industry has encouraged the utilization of nanosilica synthesized from fly ash through the precipitation method as a partial substitute for cement in mortar mixtures. This study used 5 cm × 5 cm × 5 cm cube mortar specimens with a water/cement ratio of 0.485 and nanosilica variations of 0%, 3%, 6%, 9%, and 12% by weight of cement. The tests i…
Indonesia is located in a region with high seismic activity; therefore, earthquake-resistant structures are strongly recommended. This study evaluates the behavior of prestressed hollow columns made of geopolymer concrete under combined cyclic and axial loading through finite element method simulations using ANSYS software. The study utilizes secondary data in the form of geopolymer concrete ma…
Nanosilica is a nano-sized material (1–100 nm) that can be used as a partial substitute for cement to improve the mechanical properties of mortar. This study aims to analyze the effect of nanosilica synthesized by fly ash using the hydrothermal method and variations in curing temperature on the compressive strength of mortar. Nanosilica was used at 12% with curing temperatures of 40°C, 60°C…
The Clean Water Pipeline Network construction project is a pipeline project that has potential OHS hazards in all stages of work and this study aims to analyze OHS risks using the HIRARC method quantitatively to assess the level of hazard and effectiveness of control. The data obtained shows that there are 19 OHS risks spread across 11 types of work with risk levels dominated by the medium cate…
The construction project of the Sport Center Building and Parking Building at Kejaksaan Tinggi Sumatera Selatan is a multistory building project with a high level of complexity and potential occupational safety and health hazards at every stage of the work. This study aims to analyze occupational safety and health risks quantitatively using hazard identification, risk assessment, and determinin…
The high use of private vehicles, limited service coverage of public transportation in several areas of Ogan Ilir Regency, and the poor condition of existing vehicles have become major issues affecting transportation performance in the Tanjung Raja Market area. This study aims to analyze the service quality of public transportation to and from Tanjung Raja Market and to identify service improve…
Flat slab is a two-way concrete slab without beams that accelerates construction and reduces structural depth, but it is prone to brittle failure at the slab–column connection. This study aims to analyze the punching shear capacity of geopolymer concrete flat slabs with variations in drop panel thickness under monotonic loading. The analysis was carried out using ANSYS based on the finite ele…
Domestic waste is the main contributor to the waste dumped in landfills. The volume of waste generated exceeds the capacity of the existing landfills, namely the Terlangu and Duren Ijo landfills. Several sub-districts in Banyuasin Regency still do not have waste transportation services to the landfill. Areas that have limited access to the existing landfills tend to divert waste to the Sukawina…
Peat soil has low bearing capacity, high compressibility, and low shear strength, requiring soil improvement before being used as a construction foundation. One of the methods used is the Geosynthetic Encased Stone Column (GESC), which is a stone column wrapped with geosynthetic material to increase soil bearing capacity. This study aims to analyze the effect of GESC group formation variations …
The revitalization of Kertalaya Railway connecting Palembang–Indralaya aims to enhance Universitas Sriwijaya student mobility. This study analyzes existing mobility characteristics, identifies mode choice factors, and evaluates revitalization impacts on mobility and travel time through simulation. A quantitative approach employs Unsri student surveys, binary logistic regression for current mo…
Sorptivity is an important parameter in evaluating the durability of materials, as it is related to the ability of mortar to absorb water through capillary action. In this study, nanosilica was synthesized from fly ash waste using a precipitation method with sodium hydroxide (NaOH) and sulfuric acid (H₂SO₄) solutions. The synthesized nanosilica was then used as a partial cement substitution…
Peat soil has low bearing capacity characteristics, which often cause problems in construction development. This study aims to analyze the effect of variations in the length and diameter of Geosynthetic Encased Stone Column (GESC) on the improvement of peat soil bearing capacity. The research method was conducted through laboratory model testing with variations in the column length and diameter…
Peat soil has low bearing capacity and high compressibility and therefore requires improvement before being used as a construction supporting layer. This study analyzes the effect of variations in length and diameter of the Geogrid Encased Stone Column (GESC) on the improvement of peat soil bearing capacity compared to conventional stone columns. The experimental testing was conducted using a s…
The development of cement-based materials has been widely pursued to enhance their mechanical performance and durability. Nanosilica is recognized as a promising supplementary material capable of improving mortar performance. This study aims to investigate the microstructural analysis of mortar incorporating fly ash–based nanosilica synthesized via the precipitation method at replacement leve…
Waste generation problems in riverside settlements of Seberang Ulu I District indicate significant domestic activity pressure affecting environmental quality. This study aims to spatially map waste generation points and disposal locations, calculate household waste generation rates based on SNI 19-2454-2002, and evaluate waste management performance using the Waste Management Performance Index …
Sistem Manajemen Keselamatan dan Kesehatan Kerja (SMK3) memegang peranan penting dalam mengoordinasikan seluruh aktivitas yang berkaitan dengan Keselamatan dan Kesehatan Kerja (K3) guna mencegah terjadinya kecelakaan dan penyakit akibat kerja. Penelitian ini bertujuan untuk menganalisis tingkat penerapan SMK3 dan merumuskan strategi untuk meningkatkan penerapan SMK3 pada proyek Pembangunan Gedu…
Nanosilica is nano-sized silica (1–100 nm) used as a partial cement substitute to improve the physical and mechanical properties of mortar. In this study, nanosilica synthesized from fly ash using the hydrothermal method was incorporated into mortar with varying concentrations of 0%, 3%, 6%, 9%, and 12%. The tests included slump flow, setting time, density, and compressive strength. The resul…
Komering Irrigation Project (KIP) Phase III merupakan proyek konstruksi irigasi yang memiliki tingkat risiko kecelakaan kerja yang tinggi karena melibatkan, penggunaan alat berat, kondisi lingkungan yang terbuka dan berdekatan dengan aliran air. Penelitian ini bertujuan untuk mengidentifikasi potensi bahaya, menganalisis tingkat risiko kecelakaan kerja, serta menentukan upaya pengendalian risik…
Sektor jasa konstruksi memiliki risiko kecelakaan kerja yang tinggi akibat kompleksitas pekerjaan, penggunaan alat berat, dan kondisi lapangan yang dinamis, sehingga penerapan Sistem Manajemen Keselamatan dan Kesehatan Kerja (SMK3) sangat diperlukan. Penelitian ini dilakukan pada Komering Irrigation Project Ogan Komering Ulu Timur untuk menganalisis tingkat penerapan SMK3 serta menentukan strat…
Reinforced concrete portals with masonry infill walls are structural systems commonly used in building construction and play an important role in resisting lateral loads caused by earthquakes. To improve the performance of these structures, the development of materials and reinforcement configurations is necessary to enhance structural strength, ductility, stiffness, and energy dissipation capa…
Construction projects frequently face material management issues, such as stockouts (material shortages) and overstock (excess inventory). These problems can lead to cost overruns, delays in work progress, and decreased project productivity. Implementing the Material Requirement Planning (MRP) method with lot-sizing techniques, such as Lot for Lot (LFL) and Economic Order Quantity (EOQ), can he…
Construction projects are prone to delays due to limitations in time, cost, and resources. Therefore, effective project management is required. Conventional scheduling methods such as the S-Curve and Bar Chart, which are commonly used in Indonesia, have limitations in project monitoring, so that an alternative acceleration is needed through the Fast Track method. This research was conducted at …
The Gelumbang Flyover Construction Project has a high level of complexity and risk because it is carried out on an active road with limited time and budget. This study aims to analyze the cost and time performance of the project using the Earned Value Management (EVM) method based on the S curve and physical and financial progress data from month 1 to month 11. The indicators used are the Cost …
Soil is a multi-phase material composed of solid particles, water, and air, exhibiting diverse characteristics influenced by its formation process and environment. These characteristics are reflected in its physical, hydraulic, mechanical, and chemical properties. This study aims to analyze the relationship between the physical and hydraulic properties of soil to predict specific soil propertie…
The implementation of a Project Management Information System (PMIS) in construction projects plays a crucial role in enhancing the effectiveness of project execution and control. These improvements are reflected through improved information alignment, time efficiency, and accurate decision-making. However, the success of PMIS implementation is influenced by various determining factors. This st…
Feeder Angkot play an important role in supporting the operation of the Light Rail Transit (LRT) Musi Emas in Palembang City. However, their implementation still shows discrepancies between the services received and those expected by passengers. This study aims to analyze the gap between passengers’ perceptions and operators’ expectations regarding the service quality of LRT Musi Emas feede…
The application of the concept of sustainable construction certainly attracts the attention of various groups, especially for those in the construction industry. construction with sustainable concepts is believed to be able to provide good impact on the environment in the present and even in the future considering the population in Indonesia increases every year. Reporting from the Badan Pusat …
The main material commonly used in construction is concrete. Concrete technology is still being developed to achieve building materials that are environmentally friendly and of high quality. Glass powder can be a sustainable product in the construction industry and its use can reduce environmental impact, so research is carried out that utilizes waste materials to replace natural materials. Gla…