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All Journal Jurnal Penelitian Teknik Sipil Konsolidasi
Mulyani, Savitri Prasandi
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Civil Engineering, Building, Construction & Architecture Engineering Materials Science & Nanotechnology

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Penggunaan Silica Fume Sebagai Pengganti Sebagian Semen Dengan Penambahan Bubur Kertas Dan Superplasticizer Terhadap Kuat Tekan Dan Kuat Lentur Beton Pala'langan, Wiseldes; Sariman, Syahrul; Mulyani, Savitri Prasandi
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.v3i2.4369

Abstract

Indonesia is a developing country with rapid progress in infrastructure and technology. Cement production requires a significant amount of energy and generates considerable waste. Innovation is essential to create construction materials that are cost-effective, energy-efficient in production, and produce minimal carbon dioxide and other hazardous waste. The use of silica fume as a partial replacement for cement, combined with paper pulp and superplasticizer in concrete mixtures, is expected to enhance concrete strength. This approach may also help reduce environmental pollution from cement production. In this study, 10% of the cement in each sample was substituted with silica fume, with paper pulp added at 0%, 3%, and 6%, and superplasticizer at 2%. The target strength for normal concrete is 25 MPa. The results show that using silica fume as a partial cement replacement can increase compressive strength by 3.36% and flexural strength by 7.24%. However, when silica fume is used with paper pulp, compressive and flexural strengths decrease. Adding both paper pulp and superplasticizer alongside silica fume results in an increase in strength, though the improvement is not significant.
Analisis Pengaruh Lingkungan Kerja, Kepemimpinan Dan Disiplin Kerja Terhadap Kinerja Karyawan Perusahaan Konstruksi Pada Pembangunan Terminal Selatan Bandar Udara Internasional Sultan Hasanuddin Makassar Puspitasari, Hilda; Mulyani, Savitri Prasandi; Setiawan, Arman
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.v3i1.4548

Abstract

The low performance ethos displayed by employees of the Sultan Hassandin Makassar International Airport Development Project is of course related to the leadership implemented by the leader. Because leadership is an activity that influences and directs the behavior of subordinates or other people to achieve organizational or group goals. Apart from that, the work environment at the Sultan Hassandin Makassar International Airport Development Project is not good, there are still employees who appear relaxed during working hours, and there are also employees who chat with colleagues during working hours. Moreover, work discipline at the Sultan Hassandin Makassar International Airport Project Construction which is not conducive to work discipline can cause employee performance to be less than optimal. The quality of the work environment, work discipline and leadership of construction companies can have a significant and positive influence on employee performance at the Bandar Sultan Hasanuddin Makassar Development Project with an influence value on work environment variables of 0.483, leadership variables of 0.352, and work discipline of 0.454. Where in this research the work environment variable is the variable that has the greatest influence on employee performance in the construction of the southern terminal of Sultan Hasanuddin Makassar International Airport.
Analisis Produktivitas Tenaga Kerja Perhitungan Lapangan Pada Konstruksi Bangunan Gedung Pada Pembangunan Gedung Mall Pelayanan Publik Kabupaten Gowa – Sulawesi Selatan Zakyahutami, Fadma Rany; Abduh, Muh. Natsir; Mulyani, Savitri Prasandi
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.v3i2.4699

Abstract

Productivity is a major factor that greatly influences the competition in building construction, where the level of productivity is related to the time needed complete his work which will directly affect the amount of costs required. Therefore, information on labor productivity is very important to be studied in detail. One way to obtain field productivity values  to use the work sampling method. In this study, observations were made for 12 weeks for basement work (Ground Floor). Based on the research that has been conducted, the results of the analysis show that work productivity in the field is higher than based on the SNI 2023 plan, namely in bored pile work by 0.30 times, in plain iron work by 0.10 times, in threaded iron work by 0.07 times, in the installation of foundation formwork by 0.26 times, in the installation of sloof formwork by 0.35 times, in the installation of column formwork by 0.14 times, in the installation of beam formwork by 0.15 times, in concrete work f'c 7.4 mpa K100 by 0.84 times, in concrete work f'c 26.4 mpa K300 by 0.47 times, in practical reinforcement column work by 0.23 times, and in crushed stone foundation work by 0.12 times.
Co-Authors Abduh, Muh. Natsir Arman Setiawan Pala'langan, Wiseldes Puspitasari, Hilda Sariman, Syahrul Zakyahutami, Fadma Rany