Marwanto, Marwanto (2021) Pemanfaatan Spent Bleaching Earth Sebagai Bahan Substitusi Semen Dengan Mutu Beton 20 Mpa. Diploma thesis, Politeknik Negeri Bengkalis.
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Abstract
Spent Bleaching Earth (SBE) is included in the waste from the bleaching of the oleochemical or CPO industry so that it is included in the category of animal/vegetable fat processing waste. The waste is based on PP No 85 of 1999 including B3 waste (Hazardous and Toxic Materials) from specific sources. According to PP 74/2001, hazardous and toxic materials are materials whose nature and or concentration and amount, either directly or indirectly, can pollute the environment, human life and other living creatures. The use of spent bleaching earth is intended as a substitute for cement in mixing concrete. The method used in this test is to make concrete mixture using SNI 7656:2012 with spent bleaching earth as a partial substitution of cement by 10%, 20%, 30%, and 40%. The concrete that treated for 7 days, 14 days, 21 days, and 28 day then tested to get the compressive strength and density of the concrete. From the test results, the highest compressive strength value obtained is 14 MPa with a variation of 20% spent bleaching earth. This test shows the more percentage of spent bleaching earth in the concrete mixture, the lower the compressive strength value produced.
| Item Type: | Thesis (Diploma) | ||||||||||||
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| Uncontrolled Keywords: | compressive strength, spent bleaching earth. | ||||||||||||
| Subjects: | 410 ILMU TEKNIK > 420 TEKNIK SIPIL DAN PERENCANAAN TATA RUANG > 421 Teknik Sipil | ||||||||||||
| Divisions: | Jurusan Teknik Sipil > Diploma Tiga Teknik Sipil > TUGAS AKHIR | ||||||||||||
| Depositing User: | Users 106 not found. | ||||||||||||
| Date Deposited: | 09 Sep 2021 17:04 | ||||||||||||
| Last Modified: | 11 Sep 2021 12:29 | ||||||||||||
| URI: | http://eprints.polbeng.ac.id/id/eprint/1444 |
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