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All Journal IJTI (International Journal Of Transportation And Infrastructure) NEUTRON : Research from all areas of the Civil Engineering
Jantiara Eka Nandiasa
Universitas Mercu Buana
Civil Engineering, Building, Construction & Architecture Engineering Transportation

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ANNUAL FLOOD ANALYSIS OF CISANGGARUNG WATERSHED IN CIREBON REGENCY Abdul Muin; Jantiara Eka Nandiasa
Neutron Vol 18 No 2 (2019): JANUARI 2019
Publisher : NAROTAMA UNIVERSITY, Indonesia

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Abstract

Cisanggarung River, a river in West Java Province, often experiences flooding. This study aims to discuss the magnitude of annual flood discharge that may occur in the Cisanggarung watershed. Rain data at each station in the Cisanggarung watershed from 2005 to 2017 were analyzed using descriptive-quantitative methods. Return period flood discharge 2, 5, 10, 20, and 50 years were compared to 2-yearly and monthly flood discharge. The results showed that the data followed the Log-Pearson Type III distribution. The return period flood discharge is: Q2= 181.518 m3/s, Q5 = 242.498 m3/s, Q10 = 283.109 m3/s, Q20 = 316.534 m3/s, Q50 = 373.369 m3/s, Q100 = 412.425 m3/s, Q200 = 452.013 m3/s, dan Q1000 = 546.683 m3/s by using the Nakayasu method. Based on the 2 annual maximum daily rains, 2005, 2007, 2009-2010, 2015, 2009-2017 has the potential to flood Q2, 2012 has the potential to flood Q5, and 2017 has the potential to flood Q10. According to maximum 2-daily monthly rainfall, in 2005-2007, January-April and November have the potential to flood Q2. December has the potential to flood Q10. These results are useful for flood control in the region to be more effective and accurate.
Evaluation of Drainage Channels on Pabuaran Road Cibinong District of Bogor Regency Jantiara Eka Nandiasa; Ridwan Adi Sanjaya
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 4 No 1 (2020): September 2020
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v4i1.1162

Abstract

Drainage can be generally defined as a technical measure to reduce excess water, whether from rain, seepage, or excess irrigation water from an area / land, so that the function of the area / land is not disturbed. This study aims to analyze, assess and evaluate the condition and capacity of the channel in the sub-district Pabuaran Road Bogor Cibinong District to discharge the flooding. Data and information used is primary data in the form of rainfall data from the Meteorology and Geophysics from the nearest irrigation hall as well as secondary data, the authors survey directly at the sites. In the flood discharge processing method using two methods of hydrograph Unit hydrograph Unit Synthetic Synthetic Nakayasu and ITB. The results of both methods is used the largest flood discharge. Getting the design flood discharge using Synthetic Unit Hydrograph ITB on Channel A of 6,434 m3 / sec. Analysis of the results of the calculation of the existing discharge chute, the discharge contained on Channel A of 2.10 m3 / sec and Channel B amounting to 0.21 m3 / sec limpas both channels experience. Alternative solutions to the problems that limpas channel or unsafe they are planning a new dimension channel.
Co-Authors Abdul Muin Ridwan Adi Sanjaya