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      Evaluasi Kondisi Hidrolika Kali Asem untuk Mendukung Pengelolaan Daya Dukung Lingkungan

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      Date
      2026
      Jenis/Type
      Tugas Akhir
      Subtype
      Undergraduate Theses
      Author
      Rachmadhany, Ega
      Prasetya, Dimas Ardi
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      Abstract
      Kali Asem merupakan sungai di Kota Bekasi, yang berperan mengalirkan limpasan. Berpotensi genangan dan banjir jika kapasitasnya terbatas dan terjadi sedimentasi. Penelitian ini bertujuan menganalisis parameter dan segmentasi geometri hidrolika, mengidentifikasi faktor dominan yang memengaruhinya, serta menyusun rekomendasi teknis. Metode dengan observasi lapangan, analisis hidrologi, serta simulasi EPA SWMM. Hasil analisis menunjukkan debit aktual meningkat dari 0,58 m³/detik di hulu menjadi 5,24 m³/detik di hilir. Kemiringan dasar saluran merupakan faktor dominan yang memengaruhi kondisi hidrolika, dan koefisien Manning yang besar berpotensi menjadi titik akumulasi sedimen. Segmen kritis terdapat pada C18 dengan nilai 41% hingga 81% pada Q100, dengan freeboard tersisa 0,29 m. Meskipun belum terjadi limpasan hingga Q100, tekanan hidrolika yang terus meningkat menandakan penurunan daya dukung lingkungan. Rekomendasi teknis mencakup pemantauan saluran, pengerukan sedimen, normalisasi segmen kritis, dan pengendalian sempadan sungai untuk menjaga fungsi hidrologis Kali Asem.
       
      The Asem River is a river in Bekasi City, which plays a role in draining runoff. It has the potential for inundation and flooding if its capacity is limited and sedimentation occurs. This study aims to analyze the parameters and segmentation of hydraulic geometry, identify the dominant factors that influence it, and develop technical recommendations. The methods used are field observation, hydrological analysis, and EPA SWMM simulations. The analysis results show that the actual discharge increased from 0.58 m³/detik upstream to 5.24 m³/detik downstream. The slope of the channel bed is a dominant factor affecting hydraulic conditions, and a large Manning coefficient has the potential to become a point of sediment accumulation. The critical segment is found at C18 with a value of 41% to 81% at Q100, with a remaining freeboard of 0.29 m. Although no runoff has occurred until Q100, the continuously increasing hydraulic pressure indicates a decrease in environmental carrying capacity. Technical recommendations include channel monitoring, sediment dredging, normalization of critical segments, and river boundary control to maintain the hydrological function of the Asem River.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/175330
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      • UF - Environmental Engineering and Management [321]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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