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All Journal Jurnal Penelitian Teknik Sipil Konsolidasi
Syahriman, Syahrul
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Civil Engineering, Building, Construction & Architecture Engineering Materials Science & Nanotechnology

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Reduksi Semen Dengan Fly Ash Dengan Bahan Tambah Polycarboxilate Terhadap Kuat Tekan Dan Kuat Tarik Beton Sammin, Widianto; Syahriman, Syahrul; Yuniarto, Eka
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.v3i2.4546

Abstract

The structural engineering field is advancing rapidly. Fly Ash contains silica, similar to cement. This study examines the use of Fly Ash waste as a cement substitute in concrete production, with polycarboxylate added. Fly Ash was used at 15% and 30% with polycarboxylate at 1% and 2%. The target compressive strength was 25 MPa, with normal concrete mix. Tests focused on compressive strength in polycarboxylate variations. Another set of concrete mixes substituted 15% and 30% cement with Fly Ash, adding polycarboxylate at 1% and 2% of cement content. Results showed a compressive strength of 25.38 MPa for normal concrete and 25.78 MPa and 25.94 MPa for 1% and 2% polycarboxylate mixes, respectively. With 15% and 30% Fly Ash plus 1% polycarboxylate, compressive strength increased by an average of 0.635 MPa; with 2% polycarboxylate, it averaged 5.25 MPa. Similarly, for tensile strength, 1% polycarboxylate with 15% and 30% Fly Ash achieved an average of 5.45 MPa, while 2% polycarboxylate reached 18.63 MPa with the same Fly Ash percentages.
Penggunaan Silica Fume Sebagai Pengganti Sebagian Semen Dengan Penambahan Serat Spanduk Plastik (Banner) Terhadap Kuat Tekan Dan Kuat Tarik Belah Beton Rama, Dawita; Syahriman, Syahrul; Mulyani, Savitri Prasandi
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 4 No. 1 (2026): Jurnal Penelitian Teknik Sipil Konsolidasi, Januari 2026
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v4i1.4301

Abstract

Concrete is a material that in general is the public's need for construction infrastructure facilities which is increasing along with the times, therefore choosing concrete as the main raw material for building construction is very important. Several things need to be reviewed when making... There is a lot of waste in the environment around us which can damage the environment around us, such as banner fiber, so we can process this banner fiber as an additional material in making concrete which can be used in the concrete making process. which can increase the compressive strength value of concrete and also save costs in the concrete manufacturing process. This research aims to obtain the effect of banner fiber as an additional material in making concrete accompanied by the addition of 10% silica fume. The mixing method is carried out by replacing cement with 10% silica fume with the addition of 2%, 4%, 65 and 8% banner fiber. The results of this research show that the use of banner fiber affects the compressive and tensile strength of concrete. The maximum values for compressive strength and tensile strength of concrete were obtained using a variation of 2% banner fiber with the addition of 10% silica fume, namely a compressive strength of 25.29 Mpa and a tensile strength of 2.0 Mpa.
Co-Authors Eka Yuniarto Rama, Dawita Sammin, Widianto