?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+LINGKUNGAN+AIR+LAUT+TERHADAP+PERILAKU%0D%0A%0D%0ADEFORMASI+PADA+KOLOM+BETON&rft.creator=AJI+%2C+SAPUTRA&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Beton+merupakan+salah+satu+material+yang+paling+sering+digunakan+dalam%0D%0Akonstruksi+bangunan%2C+termasuk+untuk+struktur+kolom.+Penggunaan+beton+dalam%0D%0Alingkungan+air+laut+dapat+mempengaruhi+kualitas+dan+kekuatan+beton.+Penelitian+ini%0D%0Abertujuan+untuk+mengetahui+pengaruh+lingkungan+air+laut+terhadap+perilaku%0D%0Adeformasi+pada+kolom+beton+serta+hubungannya+dengan+suhu+dan+kelembapan%0D%0Arelatif+(RH)+lingkungan+sekitar.+Penelitian+dilakukan+secara+eksperimental.%0D%0ADigunakan+3+sampel+beton+kolom+dengan+kuat+tekan+rencana+20%2C75+MPa+berukuran%0D%0A15+cm+%C3%97+15+cm+%C3%97+100+cm%2C+40+cm+masuk+ke+dasar+laut+dan+60+cm+di+atas+dasar+dan%0D%0Aterendam+air+laut.+Perilaku+deformasi+yang+diuji+meliputi+regangan+dan+suhu+dalam%0D%0Abeton+yang+dideteksi+secara+otomatis+oleh+kawat+getar+(VWESG)+yang+ditanam+45%0D%0Acm+dari+bawah+sampel.+Pengamatan+dilakukan+segera+setelah+pengecoran.+Hasil%0D%0Apenelitian+menunjukkan+penyusutan+terjadi+pada+umur+8-11+hari+dan+kenaikan+suhu%0D%0Adalamnya+dengan+puncak+pada+hari+ke-11+sebesar+1%2C3416+E-05+(m%2Fm)+dan+29%2C9+0C.%0D%0ARata-rata+kelembapan+relatif%2C+suhu+udara+dan+suhu+air+laut+pada+hari+ke+8-11+secara%0D%0Aberurutan+adalah+64%2C4+%25%2C+30%2C9+0C+dan+29%2C2+0C.+Perilaku+penyusutan+beton+kolom%0D%0Adipengaruhi+oleh+air+laut+yang+menyebabkan+penurunan+laju+(degradation)+mutu%0D%0Asebagai+akibat+dari+proses+kerusakan+kimia+seperti+erosi+sulfat+atau+pencucian+dan%0D%0Akerusakan+oleh+klorida.+Pada+umur+12-90+hari+terjadi+ekpansi+yang+relatif+kecil%0D%0Asebesar+-2%2C3772+E-05+(m%2Fm)+pada+umur+90+hari+dengan+suhu+dalam+beton+24%2C5+0C.%0D%0AKuat+tekan+umur+28%2C+56+dan+90+secara+berturut-turut+sebesar+22%2C27+MPa%2C+17%2C67+MPa%0D%0Adan+16%2C10+MPa.+Penurunan+sebesar+38%2C30%25+disebabkan+oleh+perilaku+deformasi%0D%0Abeton+(beton+mengembang).%0D%0A%0D%0AKata+kunci+%3A+lingkungan+air+laut%2C+deformasi%2C+kolom+beton%2C+kuat+tekan.%0D%0AConcrete+is+one+of+the+most+commonly+used+materials+in+building+construction%2C%0D%0Aincluding+for+column+structures.+The+use+of+concrete+in+a+seawater+environment+can%0D%0Aaffect+the+quality+and+strength+of+the+concrete.+This+study+aims+to+determine+the%0D%0Aeffect+of+seawater+environment+on+the+deformation+behaviour+of+concrete+columns%0D%0Aand+its+relationship+with+the+temperature+and+relative+humidity+(RH)+of+the%0D%0Asurrounding+environment.+The+research+was+conducted+experimentally.+Three%0D%0Aconcrete+column+samples+with+a+planned+compressive+strength+of+20%2C75+MPa%0D%0Ameasuring+15+cm+%C3%97+15+cm+%C3%97+100+cm%2C+40+cm+into+the+seabed+and+60+cm+above+the%0D%0Aseabed+and+submerged+in+seawater+were+used.+The+deformation+behaviour+tested%0D%0Aincluded+strain+and+temperature+inside+the+concrete+which+were+automatically%0D%0Adetected+by+a+vibrating+wire+(VWESG)+embedded+45+cm+from+the+bottom+of+the%0D%0Asample.+Observations+were+made+immediately+after+casting.+The+results+showed+that%0D%0Ashrinkage+occurred+at+8-11+days+and+the+internal+temperature+increased+with+a+peak%0D%0Aat+day+11+of+1%2C3416+E-05+(m%2Fm)+and+29%2C9+0C.+The+average+relative+humidity%2C+air%0D%0Atemperature+and+seawater+temperature+on+days+8-11+were+64%2C4%25%2C+30%2C9+0C+and+29%2C2%0D%0A0C+respectively.+The+shrinkage+behaviour+of+column+concrete+is+influenced+by%0D%0Aseawater+which+causes+degradation+as+a+result+of+chemical+damage+processes+such%0D%0Aas+sulphate+erosion+or+leaching+and+chloride+damage.+At+the+age+of+12-90+days%2C%0D%0Athere+was+a+relatively+small+expansion+of+-2%2C3772+E-05+(m%2Fm)+at+the+age+of+90+days%0D%0Awith+an+internal+concrete+temperature+of+24%2C5+0C.+The+compressive+strength+at+28%2C%0D%0A56+and+90+days+were+22%2C27+MPa%2C+17%2C67+MPa+and+16%2C10+MPa+respectively.+The%0D%0Adecrease+of+38%2C30%25+is+due+to+the+deformation+behaviour+of+the+concrete+(concrete%0D%0Aexpands).%0D%0A%0D%0AKey+words%3A+seawater+environment%2C+deformation%2C+concrete+column%2C+compressive%0D%0Astrength.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2024-02-07&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85672%2F1%2FAbstrak%2520Aji%2520-%2520Aji%2520Saputra.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85672%2F2%2FSkripsi%2520Aji%2520Full%2520-%2520Aji%2520Saputra.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85672%2F3%2FSkripsi%2520Aji%2520Tanpa%2520Pembahasan%2520-%2520Aji%2520Saputra.pdf&rft.identifier=++AJI+%2C+SAPUTRA++(2024)+PENGARUH+LINGKUNGAN+AIR+LAUT+TERHADAP+PERILAKU+DEFORMASI+PADA+KOLOM+BETON.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F85672%2F