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All Journal Jurnal Penelitian Teknik Sipil Konsolidasi
Yusuf, A. Rumpang
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Civil Engineering, Building, Construction & Architecture Engineering Materials Science & Nanotechnology

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Tinjauan Sistem Drainase di Jalan Perintis Kemerdekaan KM. 10 Depan Pintu 1 Unhas Kecamatan Tamalanrea Latuheru, Alfian Feliks; Yusuf, A. Rumpang; Syahrir, Suryani
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 3 No. 2 (2025): Jurnal Penelitian Teknik Sipil Konsolidasi, Mei 2025
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v3i2.3964

Abstract

In the Tamalanrea sub-district area, when heavy rain fell on Makassar City, there were many locations where roads were flooded with water. As happened in the Perintis area, precisely on Jalan Perintis Independen (in front of door 1 Unhas), there was a puddle of water caused by the drainage channel not functioning optimally because the drainage channel was blocked and also unable to accommodate the high enough water flow. Hydrological analysis carried out Qcapacity calculations using the Manning formula and the results were compared with the requirements Qcapacity > Qplan to determine the capacity capacity of each channel section. The results of the research analysis showed that Qs = 0.529 < Qt = 0.762 for the left side drainage channel and Qs = 0.474 < Qt = 0.698 for the right side drainage channel was proven to be unable to carry the planned discharge so changes in dimensions were made to accommodate the existing discharge.
Uji Kuat Tekan dan Kuat Lentur Beton Akibat Reduksi Semen Dengan Campuran Abu Sekam Padi Dan Bentonite Chau, Jaycin Agnes Elisa; Yusuf, A. Rumpang; Yuniarto, Eka
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 3 No. 1 (2025): Jurnal Penelitian Teknik Sipil Konsolidasi, Januari 2025
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v3i1.4270

Abstract

The rapid development of concrete technology has introduced additives that enhance and improve concrete properties. One material that can substitute cement is pozzolan, such as rice husk ash (RHA) and bentonite, which contain SiO2 and Al2O3. This study aims to examine the effect of RHA and bentonite mixtures as partial cement replacements on the compressive and flexural strength of concrete. The cement content was reduced by 5%, 10%, and 15%, and replaced with RHA and bentonite in proportions of (0%:100%), (100%:0%), and (50%:50%) for a 5% reduction, and (50%:50%) for 10% and 15% reductions. The results showed that normal concrete achieved a compressive strength of 25.29 MPa, while RHA 5% yielded 18.40 MPa, BT 5% achieved 24.44 MPa, and RHA 2.5% BT 2.5%, RHA 5% BT 5%, and RHA 7.5% BT 7.5% produced strengths of 22.27 MPa, 16.28 MPa, and 10.38 MPa, respectively. The normal concrete flexural strength was 3.73 MPa, with the optimum flexural results for RHA 5% at 4.00 MPa, BT 5% at 4.27 MPa, and the RHA 5%, BT 5% mix at 3.87 MPa.
Co-Authors Chau, Jaycin Agnes Elisa Eka Yuniarto Latuheru, Alfian Feliks Suryani Syahrir