?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=SUSUT+PADA+KOLOM+BETON+K250+DENGAN+SEMEN+PCC&rft.creator=FATWA+%2C+ADITYA+PUTRA&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.subject=720+Arsitektur&rft.description=Kolom+beton+didefinisikan+sebagai+suatu+elemen+struktur+vertikal+yang+dirancang%0D%0Auntuk+menahan+beban+aksial+tekan+serta+memastikan+stabilitas+dan+integritas%0D%0Abangunan+secara+keseluruhan.+Deformasi+kembang+susut+kolom+perlu+difahami%0D%0Akarena+kehancuran+kolom+dapat+berakibat+kehancuran+seluruh+bangunan.+Penelitian%0D%0Aini+bertujuan+untuk+mengetahui+perilaku+deformasi+yang+terjadi+pada+kolom+beton%0D%0Adengan+semen+PCC.+Penelitian+dilakukan+secara+eksperimental+di+Laboratorium%0D%0ABahan+dan+Konstruksi+Jurusan+Teknik+Sipil+Fakultas+Teknik+Universitas+Lampung.%0D%0ABenda+uji+menggunakan+3+sampel+kolom+berukuran+15+cm+%EF%82%B4+15+cm+%EF%82%B4+60+cm+dengan%0D%0Akuat+tekan+beton+K-250.+Metode+mix+design+berdasarkan+SNI+03%E2%80%932834%E2%80%932000.%0D%0APenelitian+menggunakan+alat+pengukur+VWESG+(Vibrating+Wire+Embeded+Strain%0D%0AGauge)+yang+ditanamkan+pada+setiap+benda+uji.+Pengamatan+dilakukan+sekama+90%0D%0Ahari%2C+dengan+pengolahan+data+menggunakan+dixon+criteria.+Pengolahan+data+dibagi%0D%0Amenjadi+3+fase%2C+yaitu+fase+24+jam+pertama+dengan+interval+15+menit+sekali%2C+fase%0D%0Acuring+selama+7+hari%2C+kemudian+fase+setelah+curing+sampai+dengan+90+hari.+Pada%0D%0Afase+24+jam+pertama%2C+deformasi+beton+fluktuatif+mengembang+dan+menyusut+akibat%0D%0Aproses+hidrasi+yang+terjadi+sejak+awal+beton+dituangkan.+Suhu+dalam+beton+dan%0D%0Apenyusutan+maksimal+pada+fase+ini+berturut+turut+38oC%2C+5%2C67E-05+(m%2Fm).+Pada+fase%0D%0Acuring%2C+beton+mengalami+deformasi+secara+fluktuatif+dengan+diiringi+perubahan%0D%0Asuhu+dalam+beton+serta+dipengaruhi+perubahan+suhu+udara+sekitar+dan+kelembapan%0D%0Arelatif+selama+masa+curing.+Fase+setelah+curing%2C+beton+mengalami+penyusutan+secara%0D%0Aperlahan+dikarenakan+adanya+penguapan+di+dalam+campuran+beton+serta%0D%0Aberlangsungnya+proses+pengerasan+pada+beton.+Pada+fase+ini+suhu+dalam+beton+pada%0D%0Akeadaan+stabil+dengan+rentang+26%2C1+%E2%80%93+30%2C3+oC.+Secara+perlahan+suhu+dalam+beton%0D%0Amulai+selaras+dengan+suhu+udara+di+sekitar+beton.+Hasil+pengamatan+menunjukan%0D%0Aproses+hidrasi+tetap+berlangsung+dengan+tingkat+kelajuan+yang+lebih+lambat+seiring%0D%0Adengan+penguapan+air+di+dalam+beton+yang+dipengaruhi+kelembapan+relatif+dan+suhu%0D%0Asekitar%2C+sehingga+perilaku+beton+menunjukkan+penyusutan+yang+relatif+stabil+sampai%0D%0Adengan+90+hari.%0D%0AKata+kunci+%3A+hidrasi+semen%2C+beton%2C+kolom%2C+kembang+susut+beton%2C+deformasi.%0D%0A%0D%0A%0D%0A%0D%0AA+concrete+column+is+defined+as+a+vertical+structural+element+designed+to+withstand%0D%0Acompressive+axial+loads+and+ensure+the+stability+and+integrity+of+the+building.%0D%0AColumn+deformation+and+shrinkage+need+to+be+understood+because+column%0D%0Adestruction+can+result+in+the+destruction+of+the+entire+building.+This+research+aims%0D%0Ato+determine+the+deformation+behavior+that+occurs+in+concrete+columns+with%0D%0Aportland+composite+cement.+The+research+was+carried+out+experimentally+at+the%0D%0AUniversity+of+Lampung.+3+column+as+the+specimens+dimensions+of+15+cm+%EF%82%B4+15+cm+%EF%82%B4%0D%0A60+cm+and+K-250+compressive+strength+concrete.+Mix+design+method+based+on+SNI%0D%0A03%E2%80%932834%E2%80%932000.+The+research+used+a+VWESG+(Vibrating+Wire+Embeded+Strain%0D%0AGauge)+as+measuring+device+which+was+embedded+in+each+specimens.+Observations%0D%0Amade+for+90+days+and+dixon+criteria+for+data+processing.+Divided+into+3+phases%2C%0D%0Anamely+the+first+24+hour+phase+with+15+minute+intervals%2C+the+curing+phase+for+7+days%2C%0D%0Athen+the+post-curing+phase+for+up+to+90+days.+In+the+first+24+hour+phase%2C+the%0D%0Afluctuating+concrete+shrinkage+deformation+due+to+the+hydration+process+that+occurs%0D%0Astart+from+the+concrete+being+poured.+The+temperature+in+concrete+and+the+maximum%0D%0Ashrinkage+in+this+phase+are+38oC%2C+5.67E-05+(m%2Fm)+respectively.+During+the+curing%0D%0Aperiod%2C+concrete+is+fluctuating+deformation+caused+by+temperature+changes+in+the%0D%0Aconcrete%2C+surrounding+air+temperature+and+relative+humidity.+After+curing+period%2C%0D%0Athe+concrete+shrinks+slowly+due+to+evaporation+in+the+concrete+mixture+and+the%0D%0Ahardening+process.+In+this+phase%2C+temperature+in+the+concrete+is+stable+state+with+a%0D%0Arange+of+26.1+%E2%80%93+30.3+oC%2C+slowly+the+concrete+temperature+begins+to+align+with+the%0D%0Aair+temperature+around+of+concrete.+Observations+showed+that+the+hydration%0D%0Aprocess+continued+at+a+slower+rate+along+with+the+evaporation+of+water+in+the%0D%0Aconcrete+influenced+by+relative+humidity+and+ambient+temperature%2C+so+that+the%0D%0Aconcrete+behavior+showed+relatively+stable+shrinkage+up+to+90+days.%0D%0AKeywords+%3A+hydration+of+cement%2C+concrete%2C+columns%2C+shrinkage+of+concrete%2C%0D%0Adeformati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