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PILAR
Published by Politeknik Negeri Sriwijaya
ISSN : 19076975     EISSN : 27222926     DOI : -
Core Subject : Science, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Energy Engineering Environmental Science Transportation
Jurnal Pilar adalah jurnal dibidang Teknik Sipil dengan Bidang kajian : Sumber Daya Air Manajemen Rekayasa Geoteknik Struktur Transportasi
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 162 Documents
 13   14   15   16   17 
PERANCANGAN JEMBATAN AIR MERANJAT – BATAS KOTA KAYU AGUNG KABUPATEN OGAN ILIR SUMATERA SELATAN Putri, Andira; Rayhan Alfaridzi, Muh; Muchtar, Zainuddin; Hassasi, Bastoni
PILAR Vol 20 No 2 (2025): Pilar: September 2025
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/pilar.v20i2.11315

Abstract

The Air Meranjat Bridge - Batas Kota Kayu Agung, Ogan Ilir Regency, South Sumatera connects the Indralaya - Kayu Agung cross Sumatra road. The design of the Air Meranjat bridge includes the upper structure and lower structure using the Practical Guide to Bridge Technical Planning method 2021. From the design results obtained the dimensions of the prestressed girder 1.7 m x 0.7 m and a length of 40.6 m, Pillars with dimensions of 3.929 m x 4 m and a length of 11 m, Abutment with dimensions of 6.35 m x 5 m and a length of 10.6 m, Piles used diameter 0.5 m 24 m depth. The cost for the construction of the Air Meranjat Bridge is Rp.10.555.155.490,000 with an implementation time of 202 days.
Kuat Tekan Beton Geopolimer Menggunakan Fly Ash Sebagai Pengganti Semen dengan Bahan Tambah NaOH dan Na2SiO3 Sari, Novita; Jannah, Nurlina; Flaviana Tilik, Lina; Syahira, Nurul Aina
PILAR Vol 20 No 2 (2025): Pilar: September 2025
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/pilar.v20i2.11341

Abstract

Geopolymer concrete is an environmentally friendly alternative because it does not use cement, thus reducing carbon emissions and utilizing industrial waste. In this study, three variations of geopolymer concrete mixtures were prepared with activator solution to fly ash ratios: BG 3:1, BG 4:1, and BG 5:1, as well as one variation of normal concrete as a comparison. Compressive strength tests were conducted at 7, 14, and 28 days, using a curing method using a plastic cover to maintain moisture during the hardening process. The test results showed that the higher the activator solution ratio, the higher the resulting compressive strength. The 5:1 BG variation yielded the best results, reaching a compressive strength of 414.8 kg/cm² at 28 days, exceeding that of conventional concrete, which only reached 255.6 kg/cm². Meanwhile, the 3:1 BG variation yielded the lowest results and did not meet the K-225 concrete quality target. This study concludes that geopolymer concrete has the potential to be used as an alternative to conventional concrete, provided the material composition and activator solution ratio are properly adjusted. The use of fly ash also offers a solution for recycling industrial waste.

Page 17 of 17 | Total Record : 162

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