?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PERENCANAAN+CHECK+DAM+PENAMPUNG+SEDIMEN%0D%0ADI+SUNGAI+JEPARA+KECAMATAN+WAY+JEPARA+KABUPATEN%0D%0ALAMPUNG+TIMUR&rft.creator=SUSI+SURYANTA+NAINGGOLAN%2C+(1215011104)&rft.subject=Teknologi+lingkungan+.+rekayasa+sanitasi&rft.subject=Konstruksi+bangunan&rft.description=DAS+Jepara+merupakan+bagian+dari+DAS+yang+terletak+di+Kabupaten+Lampung%0D%0ATimur+dengan+luas+10+km2%2C+di+mana+Sungai+Jepara+merupakan+salah+satu+sungai%0D%0Ayang+mengalir+ke+Danau+Jepara.+Kondisi+Sungai+Jepara+pada+saat+ini+mengalami%0D%0Apenurunan+fungsi+dalam+mengalirkan+debit+banjir+akibat+berkurangnya+luas%0D%0Apenampang+sungai+dikarenakan+sedimentasi+yang+terjadi.+Penyebab+utama%0D%0Atingginya+laju+sediemntasi+adalah+rusaknya+daerah+tangkapan+air+dan+pengelolaan%0D%0Alahan+yang+kurang+memperhatikan+kaidah-kaidah+konservasi+tanah.+Oleh+karena%0D%0Aitu%2C+sangat+dibutuhkan+pengelolaan+daerah+pengaliran+sungai+yang+efektif+dengan%0D%0Amenekankan+pada+konservasi+dan+pengamanan+terhadap+lahan+dan+air%2Cterutama+di%0D%0Abagian+hulu+sungai.+Salah+satu+tindakan+untuk+masalah+erosi+dan+sedimentasi%0D%0Atersebut+adalah+dengan+membangun+bangunan+pengendali+sedimen+atau+biasa%0D%0Adisebut+check+dam.+Dari+perhitungan+yang+telah+dilakukan%2C+check+dam%0D%0Adirencanakan+memiliki+fisik+seperti+sebagai+berikut%3Belevasi+puncak+mercu%0D%0Apelimpah+main+dam+pada+elevasi+%2B35%2C915+m+dengan+tinggi+efektif+sebesar+3+m+dan%0D%0Akedalaman+pondasi+sebesar+2%2C5+m%2C+lebar+mercu+pelimpah+main+dam+didapatkan%0D%0Asebesar+40+m%2C+dengan+Q+rencana+periode+ulang+50+tahun+sebesar+119%2C9113%0D%0Am3%2Fdet%2Ctinggi+sayap+main+dam+sebesar+2%2C007+m+pada+elevasi+%2B39%2C622+dengan%0D%0Atinggi+jagaan+sebesar+0%2C6+m%2C+konstruksi+main+dam+berupa+konstruksi+beton%2C+elevasi%0D%0Apuncak+mercu+pelimpah+sub+dam+pada+%2B33%2C915+m+dengan+tinggi+mercu+sebesar+1%0D%0Am+dan+kedalaman+pondasi+1%2C2+m%2C+tinggi+sayap+sub+dam+sebesar+1%2C9+m%2C+pada+elevasi%0D%0A%2B+34%2C4251+m+dengan+tinggi+jagaan+0%2C6+m%2C+konstruksi+sub+dam+berupa+konstruksi%0D%0Abeton%2C+elevasi+lantai+lindung+pada+elevasi+%2B32%2C915+dengan+ketebalan+sebesar+0%2C5%0D%0Am%2C+konstruksi+berupa+konstruksi+beton.%0D%0AKata+kunci+%3A+Sungai+Jepara%2C+erosi%2C+sedimentasi%2C+check+dam%0D%0A%0D%0A%0D%0AABTRAK+BAHASA+INGGRIS%0D%0A%0D%0AJepara+watershed+is+part+of+the+watershed+is+located+in+East+Lampung+district+with%0D%0Aan+area+of+10+km2+%2Cwhere+Jepara+River+is+one+of+river+flowing+into+Lake+Jepara.%0D%0AJepara+River+conditions+at+this+time+had+a+reduction+in+the+flow+of+flood+discharge%0D%0Adue+to+reduced+cross-sectional+area+of+the+river+due+to+sedimentation.+The+main%0D%0Acause+of+the+high+rate+of+sedimentation+is+the+destruction+of+water+catchment+areas%0D%0Aand+land+management+less+attention+to+the+principles+of+conservation+land.%0D%0ATherefore+it+is+very+necessary+management+effective+river+drainage+area+with%0D%0Aemphasis+on+the+conservation+and+protection+of+the+land+and+water%2C+especially+in%0D%0Athe+upper+reaches+of+the+river.+One+of+the+measures+for+erosion+and%0D%0Asedimentastion+problem+in+this+river+is+by+building+sediment+control+structures+or%0D%0Aso-called+check+dams.+From+the+calculations+have+been+done+check+dam+is%0D%0Aplanned+to+have+the+following+physical%3B+lighthouse+spillway+crest+elevation%0D%0Acheckerboard+on+%2B35%2C915+m+elevation+with+an+effective+height+of+3+m+and+a+depth%0D%0Aof+2%2C5+m+foundation%2Cwide+spillway+lighthouse+checkerboard+obtained+by+40+m%2C+Q%0D%0Adesign+with+a+return+period+of+50+years+at+119%2C9113+m3%2Fsec%2C+high+wing%0D%0Acheckerboard+of+2%2C007+m+in+elevation+%2B39%2C622+with+a+height+of+0%2C6+m+surveillance%2C%0D%0Aconstruction+of+the+main+dam+is+a+concrete+construstion%2C+lighthouse+spillway+crest%0D%0Aelevation+of+the+sub+dam+%2B33%2C915+m+with+a+heigt+of+1+m+and+a+lighthouse%0D%0Afoundation+depth+of+1%2C2+m%2C+a+high+wing+sub+dam+at+1%2C9+m+an+elevation+of+%2B%0D%0A34%2C4251+m+with+a+height+of+1%2C0+m+surveillance%2C+construction+of+the+sub+dam+is+a%0D%0Aconcrete+construstion%2Cthe+elevation+of+the+floor+protected+at+%2B32%2C915+m+elevation%0D%0Awith+a+thickness+of+0%2C5+m%2C+the+construction+of+a+concrete+construstion.%0D%0AKeywords+%3A+Jepara+River%2C+erosion%2C+sedimentation%2C+checkdam&rft.publisher=FAKULTAS+TEKNIK&rft.date=2016-02-26&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21438%2F1%2FABSTRAK%2520BAHASA%2520INGGRIS%2520%2526%2520INDONESIA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21438%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21438%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++SUSI+SURYANTA+NAINGGOLAN%2C+(1215011104)++(2016)+PERENCANAAN+CHECK+DAM+PENAMPUNG+SEDIMEN+DI+SUNGAI+JEPARA+KECAMATAN+WAY+JEPARA+KABUPATEN+LAMPUNG+TIMUR.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unil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