?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ANALISIS+HIDROLOGI+DAN+HIDROLIKA+PADA+SALURAN+DRAINASE+RAMANUJU+HILIR+KOTABUMI+(MENGGUNAKAN+PROGRAM+HEC-RAS)&rft.creator=Muhammad+Jazuli+Mustofa%2C+0915011018&rft.subject=+&rft.subject=Mesin+(General).+Mesin+Sipil+(General)&rft.description=%0D%0APenelitian+ini+dilakukan+untuk+mengetahui+Intensitas+hujan+yang+terjadi+di+daerah+Kotabumi+dengan+menggunakan+kurva+Intensitas+Durasi+Frekuensi+(IDF)%2C+mengetahui+pada+kala+ulang+berapa+tahun+debit+maksimum+saluran+akan+terlampaui+dan+untuk+mengetahui+kapasitas+saluran+drainase+Ramanuju+Hilir+Kotabumi+berdasarkan+analisis+hidrologi+dan+hidrolika+menggunakan+program+HEC-RAS.%0D%0APerhitungan+dilakukan+menggunakan+data+hujan+menitan+yang+diperoleh+dari+BMKG+Kotabumi%2C+Lampung+Utara+dari+tahun+1998+sampai+2011.+Metode+Log+Pearson+III+dipakai+untuk+mencari+hujan+rencana+dengan+kala+ulang+2+tahun%2C+5+tahun+dan+10+tahun.+Kemudian+hasilnya+dibuat+dalam+kurva+Intensitas+Durasi+Frekuensi+(IDF).+Waktu+konsentrasi+dihubungkan+ke+dalam+kurva+diperoleh+intensitas+hujannya.+Berdasarkan+nilai+intensitas%2C+dihitung+menggunakan+rumus+Rasional+sehingga+diperoleh+nilai+debit+rencana+pada+setiap+kala+ulangnya.+Debit+akan+diinputkan+kedalam+model+saluran+pada+program+HEC-RAS+yang+kemudian+diamati+sehingga+pada+output+model+diperoleh+gambaran+penampang+melintag+dan+penampang+memanjang+aliran+dalam+model+saluran+serta+diketahui+pada+kala+ulang+berapakah+debit+saluran+tersebut+menyebabkan+banjir.+Analisis+hidrologi+dan+hidrolika+dilakukan+kembali+melalui+metode+trial+and+error+dengan+memasukkan+debit+coba+pada+model+sehinggga+dapat+diperoleh+kapasitas+salurannya.%0D%0ABerdasarkan+hasil+penelitian+ini+dapat+disimpulkan+intensitas+hujan+sebesar+52%2C6918+mm%2Fjam+untuk+kala+ulang+2+tahun%2C+65%2C7820+mm%2Fjam+untuk+kala+ulang+5+tahun+dan+75%2C9032+mm%2Fjam+untuk+kala+ulang+10+tahun.+Kapasitas+saluran+sebesar+2%2C02+m3%2Fjam+diperkirakan+akan+terlampaui+pada+kala+ulang+10+tahun.%0D%0A%0D%0A%0D%0AKata+kunci%3A+Intensitas%2C+metode+rasioanl%2C+HEC-RAS%2C+kapasitas+%0D%0A%0D%0A%0D%0A%0D%0AThis+research+was+conducted+to+determine+the+rainfall+intensity+that+occurs+in+the+area+of+Kotabumi+using++intensity-duration-frequency+(IDF)+curves%2C++to+determine+how+many+years+the+return+period+during+maximum+discharge+channels+will+be+exceeded+and+to+determine+the+capacity+of++Ramanuju+Hilir+drainage+channels+Kotabumi+based+on+analysis+of+the+hydrology+and+hydraulics+using+HEC-RAS+program.%0D%0AThe+calculation+is+done+using+the+rainfall+data+obtained+from++BMKG+Kotabumi+North+Lampung%2C+from+1998+until+2011+with+time+increment+in+minutes.+The+Log++Pearson+III+method+is+used+to+find+the+design+rainfall+with+return+period+2+years%2C+5+years+and+10+years.+Then+the+result+is+implemented+in+the+Intensity-duration-frequency+(IDF)+curves.+Time+of+concentration+is+linked+into+the+IDF+curves++to+determine+rainfall+intensity.+Based+on+the+calculated+rainfall+intensity%2C+the+design+discharge+for+each+return+period+can+be+calculated+using++the+rational+method.+%0D%0AThe+values+of+design++discharge+are+then+inputted+as+upsteram+boundary+condition+in+HEC-RAS.+Model+output+are+presented+in+cross+and+long+section+to+determine+at+which+return+period+the+drainage+capacity+is+overflowed.++Simulation+using+HEC-RAS+were+also+done+to+determine+the+channel+capacity.%0D%0ABased+on+the+results+of+this+research%2C+it+can+be+concluded+that+rainfall+intensities+are+52%2C6918+mm%2Fhour%2C+65%2C7820+mm%2Fhour+and+75%2C9032+mm%2Fhour%2C+for+2%2C+5%2C+an+10+year+return+period++respectively.+The+capacity+of+the+drainage+channel+is+2.02+m3%2Fhour+and+is+expected+to+be+exceeded+on++5+years+return+period.%0D%0A%0D%0AKeywords%3A+Intensity%2C+method+rasioanal%2C+HEC-RAS%2C+capacity%0D%0A%0D%0A&rft.publisher=Fakultas+Teknik&rft.date=2015-02-24&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F1%2F1.%2520COVER.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F2%2F2.%2520ABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F3%2F3.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F4%2F4.%2520COVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F5%2F5.%2520LEMBAR%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F6%2F6.%2520LEMBAR%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F7%2F7.%2520LEMBAR%2520PERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F8%2F8.%2520RIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F9%2F9.%2520MOTTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F10%2F10.%2520HALAMAN%2520PERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F11%2F11.%2520SANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F12%2F12.%2520DAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F13%2F13.%2520DAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F14%2F14.%2520DAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F15%2FBAB%2520I%2520PENDAHULUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F16%2FBAB%2520II.%2520TINJAUAN%2520PUSTAKA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F17%2FBAB%2520III.%2520METODE%2520PENELITIAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F18%2FBAB%2520IV.%2520PEMBAHASAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F19%2FBAB%2520V.%2520PENUTUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F20%2FDAFTAR%2520PUSTAKA.pdf&rft.identifier=++Muhammad+Jazuli+Mustofa%2C+0915011018++(2015)+ANALISIS+HIDROLOGI+DAN+HIDROLIKA+PADA+SALURAN+DRAINASE+RAMANUJU+HILIR+KOTABUMI+(MENGGUNAKAN+PROGRAM+HEC-RAS).++Fakultas+Teknik%2C+Universitas+Lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F8971%2F