RISDI, NELLA ELZAHRO (2025) PENGARUH PENGGUNAAN DAUR ULANG PLASTIK PP (POLYPROPYLENE) SEBAGAI PENGGANTI AGREGAT KASAR. Skripsi thesis, Universitas Pancasakti Tegal.
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Abstract
Nella Elzahro Risdi, 2025 “Pengaruh Penggunaan Daur Ulang Plastik PP (Polypropylene) Sebagai Pengganti Agregat Kasar”. Berdasarkan data Sistem Informasi Pengolahan Sampah Nasional (SIPSN) Kementerian Lingkungan Hidup dan Kehutanan (KLHK) pada 2023, per 24 Juli 2024 hasil input dari 290 kab/kota se Indonesia menyebutkan jumlah timbunan sampah nasional mencapai angka 31,9 juta ton. Dari total produksi sampah nasional tersebut 63,3% atau 20,5 juta ton dapat terkelola, sedangkan sisanya 35,67% atau 11,3 juta ton sampah tidak terkelola. Karena permasalahan sampah yang kian meningkat, maka dari itu dalam penelitian ini pemanfaatan limbah plastik PP (Polypropylene) dalam campuran beton tentunya dapat memberikan beberapa manfaat, termasuk pengurangan limbah plastik. Tujuan penelitian ini adalah untuk mengetahui bagaimana pengaruh penambahan agregat daur ulang plastik PP (Polypropylene) terhadap nilai kuat tekan beton, bagaimana karakteristik agregat plastik PP dan mengetahui tingkat keausan agregat dari limbah plastik PP jika dibandingkan dengan agregat alam. Penelitian ini menggunakan metode eksperimen dengan mencampurkan agregat plastik dari daur ulang plastik PP sebagai pengganti agregat kasar pada beton. Penelitian ini menggunakan plastik (Polypropylene) sebagai bahan pengganti agregat kasar. Dengan variasi campuran agregat plastik PP 0%, 5%, 10% dan 15%. Pengujian akan dilakukan pada umur beton 7, 14, dan 28 hari. Hasil yang didapat dari pengujian kuat tekan beton yang telah dilakukan yaitu kuat tekan beton paling tinggi tetap beton normal atau beton dengan campuran agregat plastik 0%, dan mengalami penurunan pada beton dengan campuran agregat plastik PP 5%, 10%, dan 15%. Meski begitu pada pengujian kuat tekan beton umur 28 hari, nilai kuat tekan beton rata – rata pada campuran agregat plastik 5% dan 10% mendapatkan hasil yang bagus karena sesuai dengan nilai kuat tekan yang diingikan yaitu 20,97 Mpa dan 21,15 Mpa. Kemudian pada pengujian abrasi dapat disimpulkan bahwa agregat plastik PP (Polypropylene) lebih kuat dibanding agregat alam (kerikil) dalam pengujian abrasi agregat menggunakan mesin los angeles, dimana agregat plastik PP (Polypropylene) memperoleh nilai rata – rata abrasi 3%, sedangkan agregat alam mendapat nilai rata -rata hingga 13,5% dalam pengujian abrasi dengan los angeles. Kata Kunci: Beton, Kuat tekan beton, Daur Ulang Plastik, PP (Polypropylene) ix ABSTRACT Nella Elzahro Risdi, 2025 “The Effect of Using PP (Polypropylene) Plastic Recycling as a Substitute for Coarse Aggregate”. Based on data from the National Waste Management Information System (SIPSN) of the Ministry of Environment and Forestry (KLHK) in 2023, as of July 24 2024, input results from 290 districts/cities throughout Indonesia stated that the amount of national waste stockpiled had reached 31.9 million tons. Of the total national waste production, 63.3% or 20.5 million tonnes of waste can be managed, while the remaining 35.67% or 11.3 million tonnes of waste is unmanaged. Due to the increasing waste problem, therefore in this study the utilization of PP (Polypropylene) plastic waste in concrete mixtures can certainly provide several benefits, including the reduction of plastic waste. The purpose of this research is to find out how the effect of the addition of PP (Polypropylene) plastic recycled aggregate on the compressive strength value of concrete, how the characteristics of PP plastic aggregates and determine the level of wear of aggregates from PP plastic waste when compared to natural aggregates. This research uses the experimental method by mixing plastic aggregate from recycled PP plastic as a substitute for coarse aggregate in concrete. This research uses plastic (Polypropylene) as a substitute for coarse aggregate. With variation of PP plastic aggregate mixture 0%, 5%, 10% and 15%. Testing will be carried out at the age of 7, 14, and 28 days of concrete. The results obtained from the concrete compressive strength tests that have been carried out are that the highest concrete compressive strength remains normal concrete or concrete with a mixture of 0% plastic aggregates, and has decreased in concrete with a mixture of 5%, 10%, and 15% PP plastic aggregates. Even so, in the 28-day concrete compressive strength test, the average concrete compressive strength value in the 5% and 10% plastic aggregate mixture gets good results because it matches the desired compressive strength value of 20.97 Mpa and 21.15 Mpa. Then in abrasion testing, it can be concluded that PP (Polypropylene) plastic aggregates are stronger than natural aggregates (gravel) in aggregate abrasion testing using the los angeles machine, where PP (Polypropylene) plastic aggregates get an average abrasion value of 3%, while natural aggregates get an average value of up to 13.5% in abrasion testing with los angeles. Keywords: Concrete, Concrete compressive strength, Recycled Plastic, PP (Polypropylene)
| Item Type: | Karya Ilmiah (Skripsi) |
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Fakultas Teknik dan Ilmu Komputer > Teknik Sipil |
| Depositing User: | admin repository upstegal |
| Date Deposited: | 24 Mar 2025 03:41 |
| Last Modified: | 24 Mar 2025 03:41 |
| URI: | http://repository.upstegal.ac.id/id/eprint/10349 |
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