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All Journal Teknik Sipil dan Arsitektur Jurnal Teknik Sipil dan Arsitektur INERSIA
Dhiva, IGN Aditya
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Materials Science & Nanotechnology Neuroscience Transportation

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PERHITUNGAN PRODUKTIFITAS DAN ANGGARAN BIAYA ALAT BERAT PEKERJAAN RIGID PAVEMENT JALAN SEBULU MENUJU JALAN PROVINSI STA 0+000 SAMPAI DENGAN STA 5+400 KABUPATEN KUTAI KARTANEGARA Sulthon, Arian Lutfi Nur; Dhiva, IGN Aditya; Pranoto, Yudi
JURNAL INERSIA Vol. 10 No. 1 (2018): Jurnal Inersia
Publisher : POLITEKNIK NEGERI SAMARINDA

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Abstract

Tujuan dari penulisan tugas akhir ini adalah untuk menghitung produktivitas alat berat, anggaran biaya, biaya operasional milik sendiri dan sewa. Perhitungan produktivitas dimulai dengan menghitung volume pekerjaan lapis pondasi, volume pekerjaan perkerasan kaku, dan menghitung anggaran biaya alat. Biaya operasional alat berat tersebut dihitung dengan dua asumsi yaitu milik sendiri dan sewa. Dari perhitungan tersebut didapatkan volume lapis agregat pondasi, volume perkerasan kaku, produktivitas alat berat, hari pekerjaan alat berat, biaya alat berat perjam dan biaya keseluruhan alat berat. Dari perhitungan yang telah dilakukandidapatkan durasi 80 hari atau 13,42 minggu, operasional alat berat milik sendiri sebesar Rp. 1.935.677.217 sedangkan dengan biaya sewa yaitu sebesar Rp. 1.659.853.741.
PENGARUH SUBSTITUSI ABU SEKAM PADI PADA SEMEN DAN ABU BONGGOL JAGUNG PADA AGREGAT HALUS TERHADAP KUAT TEKAN DAN KUAT LENTUR BETON Alwi, Salma; Dhiva, IGN Aditya; Megawati; Sudibyo, Anung; Prihatin, Kukuh
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 1 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i1.5630

Abstract

This study aims to investigate the effect of rice husk ash (RHA) as a partial replacement of cement and corn cob ash (CCA) as a partial replacement of fine aggregate on the compressive and flexural strength of concrete at 28 days. The concrete was designed with a target strength of 20 MPa. RHA was used at 6% by weight of cement, while CCA was varied at 4%, 5%, 6%, and 7% by weight of fine aggregate. Testing was performed using cylindrical specimens for compressive strength and beam specimens for flexural strength at 28 days. The control concrete (without additives) had a compressive strength of 10.191 MPa. The addition of 6% RHA and 4% CCA increased compressive strength to 13.135 MPa, rising to 13.531 MPa at 5% CCA, and reaching a peak of 13.701 MPa at 6% CCA, an increase of 34.4% compared to the control. However, at 7% CCA, compressive strength decreased to 12.059 MPa. For flexural strength, the control concrete reached 3.081 MPa, while the highest value of 3.595 MPa was obtained at 7% CCA, an increase of 16.7%. The results indicate that RHA and CCA can improve the mechanical properties of concrete, with different optimum percentages for compressive and flexural strength Keyword: Concrete, Rice husk ash, Corn cob ash, Compressive strength, Flexural strength
PENGARUH SUBSTITUSI ABU SEKAM PADI PADA SEMEN DAN ABU BONGGOL JAGUNG PADA AGREGAT HALUS TERHADAP KUAT TEKAN DAN KUAT LENTUR BETON Alwi, Salma; Dhiva, IGN Aditya; Megawati; Sudibyo, Anung; Prihatin, Kukuh
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 1 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i1.5630

Abstract

This study aims to investigate the effect of rice husk ash (RHA) as a partial replacement of cement and corn cob ash (CCA) as a partial replacement of fine aggregate on the compressive and flexural strength of concrete at 28 days. The concrete was designed with a target strength of 20 MPa. RHA was used at 6% by weight of cement, while CCA was varied at 4%, 5%, 6%, and 7% by weight of fine aggregate. Testing was performed using cylindrical specimens for compressive strength and beam specimens for flexural strength at 28 days. The control concrete (without additives) had a compressive strength of 10.191 MPa. The addition of 6% RHA and 4% CCA increased compressive strength to 13.135 MPa, rising to 13.531 MPa at 5% CCA, and reaching a peak of 13.701 MPa at 6% CCA, an increase of 34.4% compared to the control. However, at 7% CCA, compressive strength decreased to 12.059 MPa. For flexural strength, the control concrete reached 3.081 MPa, while the highest value of 3.595 MPa was obtained at 7% CCA, an increase of 16.7%. The results indicate that RHA and CCA can improve the mechanical properties of concrete, with different optimum percentages for compressive and flexural strength Keyword: Concrete, Rice husk ash, Corn cob ash, Compressive strength, Flexural strength
Co-Authors Alwi, Salma Megawati Prihatin, Kukuh Sudibyo, Anung Sulthon, Arian Lutfi Nur Yudi Pranoto