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All Journal Jurnal Teknik Sipil dan Perencanaan Advances in Psychological Sciences and Applications
Mlodi, Lodgar Gabriel
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Religion Humanities Civil Engineering, Building, Construction & Architecture Health Professions Neuroscience Social Sciences

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Human Bots and Algorithmic Bots in Tanzanian Politics: A Rising Threat to Democratic Discourse Mlwale, Husna Juma; Mlodi, Lodgar Gabriel
Advances in Psychological Sciences and Applications Vol. 1 No. 03 (2025): Forthcoming Issue - Advances in Psychological Sciences and Applications
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/apsa.v1i03.1426

Abstract

The emergence of bot farms, both algorithmic and human-operated, poses a critical challenge to democratic discourse in many African nations, including Tanzania. Political actors are increasingly deploying these bot farms to manipulate public opinion, hijack political conversations, and create artificial consensus on sensitive national issues. This paper investigates the influence of such bots on political communication, focusing on recent patterns observed across Tanzanian digital platforms. It explores how both algorithmic and human bots are systematically employed to flood social media with curated content, silence opposition voices, and shape electoral narratives. Through qualitative analysis of digital interactions and secondary sources, this study reveals the strategic use of bots to manipulate political narratives, promote astroturfing, and suppress dissent. The paper highlights the implications for digital democracy, including the erosion of authentic political engagement, and emphasizes the urgent need for regulatory, civic, and technological responses to preserve democratic integrity in digital spaces.
Performance Index-Based Multi-Criteria Optimization of GGBFS Replacement in Concrete for Enhanced Strength, Durability, and Sustainability Mlodi, Lodgar Gabriel; Herry Suryadi Djayaprabha
Jurnal Teknik Sipil dan Perencanaan Vol. 27 No. 2 (2025): Jurnal Teknik Sipil dan Perencanaan
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v27i2.29679

Abstract

Using ground granulated blast furnace slag (GGBFS) as a partial replacement for ordinary Portland cement (OPC) has emerged as a sustainable alternative in concrete production, offering notable improvements in durability and long-term strength. However, identifying the optimal replacement level that balances mechanical performance, durability, and sustainability remains challenging. This study addresses this gap by critically reviewing sixteen peer-reviewed studies conducted between 2006 and 2025, the broadest dataset yet applied in a performance index (PI)-based evaluation. A PI was developed to normalize and compare diverse mechanical and durability parameters, integrating them into a multi-criteria framework. The PI was further evaluated under three practical weightings: Balanced (50/50), Durability-prioritized (60/40), and Strength-prioritized (40/60). Results indicate that a 40% GGBFS replacement delivers the highest composite performance under balanced criteria, 20% is optimal for strength-driven applications, and 60–70% provides superior durability in aggressive environments, especially when activation or enhanced curing is applied. This study demonstrates the practical utility of an integrated PI approach for sustainable concrete design.
Co-Authors Herry Suryadi Djayaprabha Mlwale, Husna Juma