PEMANFAATAN BATU KARANG SEBAGAI SUBSTITUSI SERTA FLY ASH DAN SUPERPLASTICIZER SEBAGAI BAHAN TAMBAH CAMPURAN BETON
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Prayogi, Mohamad Farid Eko
Wirantina K, Irma
Marnanto, Donny
Wirantina K, Irma
Marnanto, Donny
Subject
Teknik Sipil
Datestamp
2019-09-16 03:00:42
Abstract :
Damage to coral reefs is strongly influenced by several factors, one of them such as human activities in coastal areas that cause various kinds of severe damage such as mining activities, opening of tourist areas, pollution due to garbage and others. The minimum utilization of this rock waste results in an increase in activity disturbances in coastal areas. Therefore, it is necessary to use other resources to reduce the waste of the rock, namely as a substitute for coarse aggregates in the manufacture of concrete. In this study the use of coral as a concrete mixture was used for the construction of a fishing boat dock floor. To meet the criteria of compressive strength and good absorption of concrete, research and experiments were carried out, one of which was using additives (admixture). This study aims to determine the effect of the addition of fly ash, rock and superplasticizer to the compressive strength and absorption of concrete.The sample used is cylindrical (15 cm x 30 cm). Concrete is planned with fc 20.75 or K-300 with a comparison of fly ash waste as much as 20% of the weight of cement, as much as 5%, 10% and 15% and 20% of the weight of gravel and superplasticizer as much as 1.5% of the weight of water. From this study, it was found that the most superior samples were variations in BK3 FA20% + BK 10% + SP 1.5% with compressive strength of 22.741 Mpa curing fresh water and absorption of 2.15%.
Damage to coral reefs is strongly influenced by several factors, one of them such as human activities in coastal areas that cause various kinds of severe damage such as mining activities, opening of tourist areas, pollution due to garbage and others. The minimum utilization of this rock waste results in an increase in activity disturbances in coastal areas. Therefore, it is necessary to use other resources to reduce the waste of the rock, namely as a substitute for coarse aggregates in the manufacture of concrete. In this study the use of coral as a concrete mixture was used for the construction of a fishing boat dock floor. To meet the criteria of compressive strength and good absorption of concrete, research and experiments were carried out, one of which was using additives (admixture). This study aims to determine the effect of the addition of fly ash, rock and superplasticizer to the compressive strength and absorption of concrete.The sample used is cylindrical (15 cm x 30 cm). Concrete is planned with fc 20.75 or K-300 with a comparison of fly ash waste as much as 20% of the weight of cement, as much as 5%, 10% and 15% and 20% of the weight of gravel and superplasticizer as much as 1.5% of the weight of water. From this study, it was found that the most superior samples were variations in BK3 FA20% + BK 10% + SP 1.5% with compressive strength of 22.741 Mpa curing fresh water and absorption of 2.15%.
File :
1. COVER.pdf
2. LEMBAR PENGESAHAN PEMBIMBING.pdf
17. BAB 5 fix.pdf
18. DAFTAR PUSTAKA.pdf
19. Lampiran Foto.pdf
21. DAFTAR RIWAYAT HIDUP.pdf
3. Lembar iii-ix.pdf
3. LEMBAR PENGESAHAN TIM PENGUJI.pdf
4. PERNYATAAN KEASLIAN SKRIPSI.pdf
10. Daftar Isi.pdf
13. BAB 1 fix.pdf
14. BAB 2 fix.pdf
15. BAB 3 fix.pdf
16. BAB 4.pdf
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