?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ANALISIS+MIKROTREMOR+BERDASARKAN+PETA+SEBARAN+NILAI%0D%0AFREKUENSI+DOMINAN%2C+FAKTOR+AMPLIFIKASI+DAN+INDEKS%0D%0AKERENTANAN+SEISMIK+MENGGUNAKAN+METODE+HVSR+DAERAH%0D%0A%0D%0AGROBOGAN+JAWA+TENGAH&rft.creator=Intan+Permatasari%2C+1715051004&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Has+been+done+research+about+microtremor+analysis+based+on+the+dominant%0D%0Afrequency+value%2C+amplification+factor%2C+and+seismic+vulnerability+index+as+an%0D%0Aeffort+of+disaster+mitigation+so+it+can+predict+the+damage+caused+by+earthquakes.%0D%0ABased+on+geological+map%2C+most+of+Grobogan+area+consists+of+alluvial+deposits%0D%0Awhich+made+it+susceptible+to+seismic+vibrations+because+it+is+dominated+by+soft%0D%0Asoil+layer.+This+research+applied+the+HVSR+method.+The+basic+principle+of+the%0D%0AHVSR+method+is+to+determine+the+dominant+frequency+value+by+comparing+the%0D%0Ahorizontal+and+vertical+component+of+the+microtremor+data.+From+the+dominant%0D%0Afrequency+value+can+be+calculated+amplification+factor%2C+sediment+thickness%2C+and%0D%0Aseismic+susceptibility+index+which+then+carried+out+microzonation+mapping+to%0D%0Aobtain+soil+characteristics+of+the+research+area.+The+value+of+the+dominant%0D%0Afrequency+(f0)+of+Grobogan+Central+Java+is+in+the+range+0%2C997+%E2%80%93+13%2C57+Hz%2C+the%0D%0Aamplification+factor+value+(A0)+of+Grobogan+Central+Java+is+in+the+range+1%2C3+%E2%80%93%0D%0A4%2C6%2C+the+sediment+thickness+of+Grobogan+Central+Java+is+in+the+range+8%2C4+%E2%80%93+24%2C5%0D%0Ameter%2C+and+the+seismic+vulnerability+index+(Kg)+of+Grobogan+Central+Java+is+in%0D%0Athe+range+0%2C12+%E2%80%93+21%2C8+cm%2Fs2.+Based+on+the+analysis+of+the+distribution+map+of+the%0D%0Adominant+frequency+value%2C+amplification+factor%2C+sediment+thickness%2C+and+seismic%0D%0Avulnerability+index%2C+it+shows+that+the+dangerous+area+when+an+earthquake+occurs%0D%0Aand+can+cause+severe+damage+more+than+other+areas+are+in+the+Temon%2C+Getasrejo%0D%0Aand+Kalongan+areas.%0D%0AKeywords%3A+HVSR+method%2C+dominant+frequency%2C+amplification+factor%2C+sediment%0D%0Athickness%2C+seismic+vulnerability+index.%0D%0ATelah+dilakukan+penelitian+tentang+analisis+mikrotremor+berdasarkan+nilai%0D%0Afrekuensi+dominan%2C+faktor+amplifikasi+dan+indeks+kerentanan+seismik+yang%0D%0Adimaksudkan+sebagai+upaya+mitigasi+bencana+karena+dapat+memprediksi%0D%0Akerusakan-kerusakan+akibat+gempabumi.+Berdasarkan+peta+geologi%2C+sebagian%0D%0Abesar+wilayah+Grobogan+merupakan+endapan+aluvial+sehingga+menyebabkan%0D%0Arentan+terhadap+getaran+seismik+karena+didominasi+oleh+lapisan+lunak.+Penelitian%0D%0Aini+menggunakan+metode+HVSR.+Prinsip+dasar+dari+metode+HVSR+adalah%0D%0Amenentukan+nilai+frekuensi+dominan+dengan+membandingkan+nilai+komponen%0D%0Ahorizontal+dan+komponen+vertikal+dari+data+mikrotremor.+Sehingga+dari+nilai%0D%0Afrekuensi+dominan+ini+dapat+dilakukan+perhitungan+faktor+amplifikasi%2C+ketebalan%0D%0Asedimen+dan+indeks+kerentanan+seismik+yang+kemudian+dilakukan+pemetaan%0D%0Amikrozonasi+sehingga+didapatkan+karakteristik+tanah+daerah+penelitian.+Nilai%0D%0Afrekuensi+dominan+daerah+Grobogan+Jawa+Tengah+berada+pada+kisaran+0%2C997+%E2%80%93%0D%0A13%2C57+hz%2C+nilai+faktor+amplifikasi+daerah+Grobogan+Jawa+Tengah+berada+pada%0D%0Akisaran+1%2C3+%E2%80%93+4%2C6%2C+nilai+ketebalan+sedimen+daerah+Grobogan+Jawa+Tengah+berada%0D%0Apada+kisaran+8%2C4+%E2%80%93+24%2C5+meter%2C+dan+nilai+indeks+kerentanan+seismik+daerah%0D%0AGrobogan+Jawa+Tengah+berada+pada+kisaran+0%2C12+%E2%80%93+21%2C8+cm%2Fs2%0D%0A%0D%0A.+Berdasarkan%0D%0Ahasil+analisis+peta+sebaran+nilai+frekuensi+dominan%2C+faktor+amplifikasi%2C+ketebalan%0D%0Asedimen+dan+indeks+kerentanan+seismik%2C+menunjukkan+bahwa+daerah+yang%0D%0Abahaya+ketika+terjadi+gempabumi+dan+menyebabkan+kerusakan+yang+parah+dari%0D%0Adaerah+penelitian+yang+lain+berada+pada+daerah+Temon%2C+Getasrejo+dan+Kalongan.%0D%0AKata+Kunci%3A+Metode+HVSR%2C+frekuensi+dominan%2C+faktor+amplifikasi%2C+ketebalan%0D%0Asedimen%2C+indeks+kerentanan+seismik&rft.publisher=FAKULTAS+TEKNIK&rft.date=2021&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60379%2F1%2FABSTRAK%2520SKRIPSI%2520-%2520Intan%2520Permatasari.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60379%2F2%2FSKRIPSI%2520FULL%2520-%2520Intan%2520Permatasari.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60379%2F3%2FSKRIPSI%2520TANPA%2520PEMBAHASAN%2520-%2520Intan%2520Permatasari.pdf&rft.identifier=++Intan+Permatasari%2C+1715051004++(2021)+ANALISIS+MIKROTREMOR+BERDASARKAN+PETA+SEBARAN+NILAI+FREKUENSI+DOMINAN%2C+FAKTOR+AMPLIFIKASI+DAN+INDEKS+KERENTANAN+SEISMIK+MENGGUNAKAN+METODE+HVSR+DAERAH+GROBOGAN+JAWA+TENGAH.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F60379%2F