PET plastic waste is found everywhere in Banjarbaru City compared to other plastic wastes. It is an excellent prospect to reuse the PET plastic waste. The demand of mountain rock and stone from natural resources increases as happened in Aranio Sub District, Banjar Regency. This research is expected to find one way of suppressing the growth of the number of stone mines or natural stone. Based on SNI 03-0691-1996, the classification of the paving block differentiated according to its usage class, one of which is the C quality used by pedestrians. PET waste used as a coarse aggregate previously processed into aggregate with the ratio of cement material, fine aggregate, a coarse aggregate of 1:6:4. PET waste is processed by melting PET and forming into aggregates. The paving with PET waste process by a hydraulic press machine and tested for strength after 28 days. The result of weight measurement with the specimen increases the amount of PET in the paving block mixture, the paving weight decreases as well as the compressive strength.
Penelitian ini bertujuan untuk mengetahui kuat tekan beton dengan variabel agregat dan air dari beberapa lokasi kuari di Kabupaten Tanah Laut dan Kabupaten Banjar Kalimantan Selatan. Pada penelitian ini telah dilakukan pemeriksaan bahan campuran beton (baik kerikil, pasir dan air yang digunakan), pembuatan rencana campuran beton, serta hasil uji tekan sampel beton dan rekomendasi yang dapat diberikan. Pada penelitian ini menggunakan acuan pembuatan campuran beton (Job Mix) sesuai dengan Peraturan Menteri Pekerjaan Umum No. 11/PRT/M/2013 tentang Pedoman Analisis Harga Satuan Pekerjaan Bidang Pekerjaan Umum. Untuk kerikil yang diuji yaitu batu batu split Katunun, batu split gunung Martadah dan batu split gunung Awang Bangkal. Adapun air yang diuji adalah air dari sungai maluka dan awang bangkal. Adapun air PDAM juga digunakan pada sampel kontrol. Adapun faktor air semen ditetapkan sebesar 0.5 terkecuali campuran beton dengan agregat Awang Bangkal dan air PDAM yang menggunakan faktor air semen 0.4, 0.45 dan 0.5. Dari penelitian ini diketahui bahwa agregat batu gunung Martadah memberikan nilai kuat tekan yang lebih konsisten. Adapun untuk struktur beton dengan kekuatan sedang, penggunaan agregat Awang Bangkal sangat direkomendasikan. Sedangkan ketiga jenis air yang diujikan pada penelitian ini dapat digunakan dalam campuran beton. Kata kunci: agregat lokal, campuran beton, kuat tekan beton
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