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Topik Populer: Tidal Energy Stunting Reduction Mo'odelo Governance Danau Limboto Circular Bioeconomy
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10 publikasi ditemukan untuk SDG 17: Partnerships for the Goals
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Empowering Citizens: Integrating Digital Citizenship Skills into Public Policy and Governance

IGI Global Scientific Publishing doi:10.4018/979-8-3373-5781-2.ch013

This chapter examines the incorporation of digital citizenship competencies into public policy and governance, highlighting the necessity for responsible, ethical, and informed digital participation. It emphasizes essential elements—digital literacy, online safety, and digital collaboration—and their influence on civic engagement and democratic procedures. This chapter illustrates how governments, educational institutions, and communities may cultivate a culture of engaged digital citizenship through policy analysis, case studies, and pedagogical strategies. It addresses obstacles including misinformation, institutional opposition, and the digital divide, while promoting inclusive access, lifelong learning, and secure digital environments. The chapter analyzes emerging technology and changing civic behaviors, presenting a vision for policies that equip citizens for the future. Integrating digital competencies into public frameworks can enhance civic participation, socioeconomic justice, and democratic robustness in a more digital society.

Dr. Robby Hunawa, S.IP., M.Si
Book Chapter 2026 OA
SDG 4SDG 17
4 sitasi
1
Jurnal Nasional Terakreditasi • 2026 • SINTA 4 •
SDG 9SDG 12

Sustainable Self-Compacting Concrete: The Role of Limestone Powder as A Cement Replacement

JURNAL TEKNIK SIPIL CENDEKIA (JTSC)

Penulis: Muhammad Ramdhan Olii, Andi Aswin Rahman, Nasir Bumulo, Rahman Abdul Djau, Ilyas Ichsan
DOI: 10.51988/jtsc.v7i2.505

Abstract

The excessive use of cement in concrete production contributes significantly to environmental impacts, particularly CO? emissions. One potential solution is the partial replacement of cement with limestone powder in self-compacting concrete (SCC). This study aimed to investigate the effect of limestone powder as a partial cement replacement on the fresh properties and compressive strength of SCC. Limestone powder was used at replacement levels of 0%, 6%, 9%, 12%, and 15% by weight of cement. The fresh properties of SCC were evaluated using slump flow, V-funnel, and L-box tests, while compressive strength tests were conducted to assess hardened performance. The results showed that SCC mixtures containing up to 9% limestone powder satisfied the SCC workability requirements. The optimum performance was achieved at 6% limestone powder replacement, which produced a slump flow diameter of 600 mm and compressive strength of 29.58 MPa, exceeding the design strength target of 25 MPa. Higher replacement levels reduced both workability and compressive strength, with the 15% mixture failing to meet acceptable performance criteria. These findings indicate that limestone powder can be effectively utilized as a sustainable partial cement replacement in SCC at moderate replacement levels while maintaining satisfactory fresh and hardened properties.

Kata Kunci

self-compacting concrete limestone powder workability compressive strength sustainable construction

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