Dredging, Dredgers
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| Dredging, Dredgers |
Dredging
is the removal of sediments and debris from the bottom of lakes,
rivers, harbors, and other water bodies. It is a routine necessity in
waterways around the world because sedimentation—the natural process of
sand and silt washing downstream—gradually fills channels and harbors.
Dredging often is focused on maintaining or increasing the depth of navigation channels, anchorages, or berthing areas to ensure the safe passage of boats and ships. Vessels require a certain amount of water in order to float and not touch bottom. This water depth continues to increase over time as larger and larger ships are deployed. Since massive ships carry the bulk of the goods imported into the country, dredging plays a vital role in the nation's economy.
Pengerukan / dredging utamanya terdiri dari 3 tahap
Dredging often is focused on maintaining or increasing the depth of navigation channels, anchorages, or berthing areas to ensure the safe passage of boats and ships. Vessels require a certain amount of water in order to float and not touch bottom. This water depth continues to increase over time as larger and larger ships are deployed. Since massive ships carry the bulk of the goods imported into the country, dredging plays a vital role in the nation's economy.
Pengerukan / dredging utamanya terdiri dari 3 tahap
- Memisahkan dan mengambil material dari dasar air dengan menggunakan
- Pengikisan (erosion)
- Memancarkan air tekanan tinggi (jetting)
- Memotong (cutting)
- Menghisap (suction)
- Memecah (breaking)
- Mengambil dengan menggunakan bucket (grabbing)
- Mengangkut material dengan menggunakan
- Tongkang (barges)
- Tongkang atau kapal yang didesain secara khusus memiliki wadah penampung (hoppers)
- pipa terapung / floating pipeline
- conveyor-belt
- Truk
- Pembuangan material tersebut dengan menggunakan:
- Pembuangan pipa (pipeline discharge)
- Alat angkat seperti crane
- Membuka pintu di bawah pada beberapa kapal atau tongkang yang didesain secara khusus (hopper barges)
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