Suhendri, (2018) PENGARUH KADAR LUMPUR DAN ORGANIK PADA PASIR SILIKA BELITUNG TERHADAP PENGGUNAAN POLYCARBOXYLATE ETHER ADMIXTURE PADA BETON MUTU TINGGI. S1 thesis, Universitas Mercu Buana Bekasi.
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Abstract
Pembangunan yang semakin meningkat di tanah air pada saat ini, berpengaruh terhadap industri – industri beton di indonesia, sehingga menimbulkan kebutuhan yang tinggi untuk permintaan beton,, tentunya dibutuhkan pula material – material pembentuk beton seperti pasir yang berkualitas dan baik, yakni dengan kadar lumpur kurang dari atau sama dengan 5 % baik pasir sungai,maupun pasir gunung, yang ditetapkan SK SNI S-04-1998-F,1989 yakni tidak boleh mengandung lumpur lebih dari 5%. Untuk itu perlu adanya proses analisa pada pasir yang memiliki kadar lumpur tinggi, dalam penelitian ini peneliti mencoba untuk menggunakan Polycarboxcylate ether admixture untuk mendapatkan kuat tekan beton yang baik dengan pasir silika yang memiliki kadar lumpur tinggi yakni 5%-10%, 10-15% dan 15%-25% dan dapat disimpulkan bahwa pasir dengan kadar lumpur 7% dapat digunakan sebagai bahan campuran beton dengan kuat tekan di umur 28 hari mencapai 74,62 MPa. Kata Kunci : Kadar lumpur tinggi, kuat tekan, Admixture Increasing development in the country at this time, affects the concrete industries in Indonesia, giving rise to a high demand for concrete, of course, also needed concrete-forming materials such as good quality sand, with less sludge from or equal to 5% of both river sand and mountain sand, which was stipulated by SK SNI S-04-1998-F, 1989, which could not contain more than 5% mud. For this reason, it is necessary to analyze the sand which has high sludge content. In this study researchers tried to use Polycarboxcylate ether admixture to obtain good concrete compressive strength with silica sand which has high sludge content of 5% -10%, 10-15% and 15% -25% and it can be concluded that sand with 7% sludge can be used as a mixture of concrete with compressive strength at 28 days reaching 74.62 MPa. Keywords: High sludge content, compressive strength, Admixture
| Item Type: | Thesis (S1) |
|---|---|
| Call Number CD: | FT/SIP 18 031 |
| NIM/NIDN Creators: | 41114310009 |
| Uncontrolled Keywords: | Kata Kunci : Kadar lumpur tinggi, kuat tekan, Admixture |
| Subjects: | 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 624 Civil Engineering/Teknik Sipil |
| Divisions: | Fakultas Teknik > Teknik Sipil |
| Depositing User: | siti maisyaroh |
| Date Deposited: | 07 Jul 2022 05:22 |
| Last Modified: | 07 Jul 2022 05:22 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/64699 |
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