Analisis Sedimentasi Pada Bendungan Karian, Lebak-Banten Dengan Metode Sensitivitas Statistik
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Moharummusaini, Anggoro
Lestari, Endah
Panthouw, John
Lestari, Endah
Panthouw, John
Subject
Teknik Sipil
Datestamp
2022-10-06 01:42:07
Abstract :
The low level of sedimentation in the area of watersheds is an indicator of success in manage watersheds. Sedimentation measurements can be done directly and also through an erosion prediction approach. The purposes of this research is to predict sedimentation by the USLE erosion approach model and also by using statistical sensitivity analysis. By using the USLE method it is obtain the value of volume at 704.164 m3 with 66 years of its service. In the method of positive sensitivity analysis with the addition amount volume of 30%, 20%, and 10% the results are, the percentage of sediment amount at 30% volume is 915,413 m3 with a service life for 51 years, at the percentage of sediment volume by 20%, the volume of sediment is 844,996.47 m3 where the service life obtained for 55 years, at the percentage of sediment of 10%, the volume is 774,580.09 m3 with a service life for 60 years. In the negative sensitivity analysis method with a reduction in the percentage of sediment volume by 30%, 20%, and 10% the results are, with a reduction in the percentage of sediment volume by 30% the sediment volume is at 492,915 m3, with a service life for 94 years which can exceed the planned service life, at the reduction of volume with a percentage 20% volume is at 563.330,98 m3, with a service life for 82 years which can exceed the planned service life, at the reduction of volume with a percentage 10% volume is 633.747,35 m3, with a service life for 73 years which can exceed the planned service life.
The low level of sedimentation in the area of watersheds is an indicator of success in manage watersheds. Sedimentation measurements can be done directly and also through an erosion prediction approach. The purposes of this research is to predict sedimentation by the USLE erosion approach model and also by using statistical sensitivity analysis. By using the USLE method it is obtain the value of volume at 704.164 m3 with 66 years of its service. In the method of positive sensitivity analysis with the addition amount volume of 30%, 20%, and 10% the results are, the percentage of sediment amount at 30% volume is 915,413 m3 with a service life for 51 years, at the percentage of sediment volume by 20%, the volume of sediment is 844,996.47 m3 where the service life obtained for 55 years, at the percentage of sediment of 10%, the volume is 774,580.09 m3 with a service life for 60 years. In the negative sensitivity analysis method with a reduction in the percentage of sediment volume by 30%, 20%, and 10% the results are, with a reduction in the percentage of sediment volume by 30% the sediment volume is at 492,915 m3, with a service life for 94 years which can exceed the planned service life, at the reduction of volume with a percentage 20% volume is at 563.330,98 m3, with a service life for 82 years which can exceed the planned service life, at the reduction of volume with a percentage 10% volume is 633.747,35 m3, with a service life for 73 years which can exceed the planned service life.
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