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Assistance in Designing Citarum River Cliff Protection to Control River Erosion in Atirompe Village, Majalaya District, Bandung Regency Rohmat, Faizal Immaddudin Wira; Ledowikj, Felix Joel; Rodiah, Siti; Rohman, Mutiara Indah Nur; Burnama, Nabila Siti; Darsono, Sri Legowo Wignyo; Kuntoro, Arno Adi; Farid, Mohammad; Nugroho, Eka Oktariyanto; Chaidar, Ana Nugranah
Jurnal Pengabdian kepada Masyarakat (Indonesian Journal of Community Engagement) Vol 9, No 4 (2023): Desember
Publisher : Direktorat Pengabdian kepada Masyarakat Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpkm.86817

Abstract

Rivers are often used as a water source for agriculture, transportation, and water supply needs. One of the causes of riverbank damage is scouring the cliff's foot, which cannot withstand scouring currents. If not addressed immediately, it will cause more severe damage. Citarum River is one river that passes through Atirompe Village, Majalaya District. The riverbanks in the area have a risk of cliff failure. The study objective was to analyze the problem, design the protection, and calculate the budget. The hydrology and riverbank analysis of the Majalaya River has been performed. The steps were essential to analyze the depth and width of the scour caused by the flow of the Citarum River water. Sediment data were collected at three locations, namely the upstream, middle, and downstream of the river segment that will be reviewed. In data processing, to obtain a sediment rating curve, it is necessary to measure the flow velocity, which will later be calculated and used as the flow rate during Total Suspended Solid (TSS) data collection. Using the Hydrology Engineering Center – River Analysis System (HEC – RAS) 6.2 software, the calculations with the Ripley Equation were compared to obtain the scour depth. For the design alternative, constructing a steel sheet pile-type cliff protection structure is one form of planning to protect riverbanks. This study also analyzed the recapitulation of the budgeting for protecting the Citarum riverbanks in Atirompe Village, Majalaya District. Using a standardized unit price, the total cost for the protection is 1.8 billion rupiahs.
Vertical Clearance Analisis Pada Jembatan Jalan Tol Padang - Sicincin (Studi Area: Batang Tapakis) Burnama, Nabila Siti
Jurnal Bangunan, Konstruksi & Desain Vol 2 No 4 (2024): Desember 2024
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbkd.2.4.284-293.2024

Abstract

The Padang-Sicincin Toll Road is one of the sections of the Padang-Pekanbaru Toll Road, which is one of the fins of the Trans Sumatra Toll Road. This Toll Road is a National strategic project from Presidential Regulation Number 58 of 2017. The Padang-Sicincin Toll Road section was built along 30.4 km and passes three rivers including Batang Anai, Batang Ulakan, and Batang Tapakis. This study chose the Batang Tapakis Bridge because there are several special conditions that are different from other bridges. The location of the Batang Tapakis Bridge was built near a river bend and adjacent to the Regency road so that the design of this bridge must consider the requirements of the Horizontal Clearance of the bridge. One of the bridge abutments is on the riverbank and the contractor plans to make a retaining wall and a buttock as a river embankment but causes the river cross-section to shrink. and can cause a rise in water level. As a result of this increase in water level, the bridge design must consider the requirements of the Vertical Clearance of the bridge. So this study analyzes the increase in water level before and after the bridge, and to find out whether the bridge design has met the Vertical and Horizontal Clearance standards. For hydrological calculations taken from PT.WIRATMAN data and this study will focus on river hydraulic calculations. River analysis using the HEC-RAS 5.0.5 application with a 100-year return period discharge of 179.4 m3/second. The results of the calculation are the difference in water level before and after the bridge is 1 m upstream of the bridge and 1.44 m downstream of the bridge. With this increase in water level, the Vertical Clearance of the bridge can be calculated, and it is found that the distance from the water level to the bridge is 3 m so that it does not meet the minimum requirement for Vertical Clearance of 5.1 m.
Implementation of Factor Method for Determining Service Life of Exterior Paint for Building (Case Study: Bencoolen Mall, in Bengkulu) Maharani, Dwi Jenita; Burnama, Nabila Siti; Guci, Jeply Murdiaman
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.v6i1.10414

Abstract

Building maintenance and care are essential responsibilities that must be managed effectively to ensure optimal building performance and appearance. One of the key aspects of building maintenance is painting. Painting not only enhances the visual appeal of a building but also contributes to its overall preservation. However, paint has a limited lifespan and resistance to fading or deterioration. The decline in paint quality often occurs before reaching its expected durability due to various environmental and social factors such as humidity, rainfall, wind, dust, sunlight, and human activity. Therefore, understanding the service life of exterior paint is crucial to ensure timely maintenance and upkeep of the building. A study was conducted on the existing exterior paint of the Bencoolen Mall building, located at Jl. Pariwisata No. 01, Bengkulu City. The purpose of this study was to determine the service life of the building’s exterior paint. The method used in this research was the factor method, which involves calculating the Estimated Service Life (ESL) based on known environmental factors and Reference Service Life (RSL) values. The results of the study indicated that the estimated service life of the building's exterior paint, using the factor method, is approximately 8.56 years. Based on these findings, it is recommended that periodic inspections and maintenance be conducted approximately every 8 years to ensure the exterior paint remains in good condition.