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All Journal CIVED (Journal of Civil Engineering and Vocational Education) JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION Civil Engineering Journal Jurnal Aplikasi Teknik Sipil JURNAL PENDIDIKAN TAMBUSAI Teknomekanik Jurnal Applied Science in Civil Engineering Aptekmas : Jurnal Pengabdian Kepada Masyarakat Horizon: Indonesian Journal of Multidisciplinary Jurnal Teknik Sipil Journal of Civil Engineering and Vocational Education Jurnal Cendekia Ilmiah
Nevy Sandra
Universitas Negeri Padang
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Transportation Veterinary Other

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Construction Work Sequencing and Zoning Strategy for Structural Works at Summarecon Mall Bandung Hafizul Adib Zulyan; Nevy Sandra
CIVED Vol. 12 No. 3 (2025): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/3dhzet79

Abstract

Large building projects require a construction sequence that integrates technical dependencies, site access, material flow, and crew allocation. This study analysed the implementation of structural work sequencing and a zoning system in the Summarecon Mall Bandung Phase 2 project. A descriptive case-study approach was used. Data were obtained from project documents, shop drawings, field observations, and photographic documentation produced during the 2023 construction period. The analysis identified the logical dependencies between work packages and examined how six work zones were released. The structural sequence consisted of pile driving, pile-head cutting, excavation and backfilling, soil compaction, pile-cap and tie-beam construction, column works, and beam-and-slab works. Zones 1 and 5 were started first because they did not interfere with the main access and equipment manoeuvring areas. Zones 2 and 3 followed when the first zones reached approximately 30% progress. Zones 4 and 6 were completed last because they functioned as the principal access and logistics corridors. The zoning strategy enabled overlapping activities while maintaining access, but its effectiveness depended on labour competence, material delivery, equipment availability, approvals, financing, and site coordination. The study concluded that explicit access constraints and progress-based release rules should be included in structural work-sequencing plans.
Pengaruh Stabilisasi Tanah Bekas Tambang Menggunakan Fly Ash dan Kapur Terhadap Parameter Kuat Geser Al Mudzakki, Fathurrahman; Syahril Rahmat; Nevy Sandra; Oktaviani
HORIZON: Indonesian Journal of Multidisciplinary Vol. 4 No. 4 (2026): HORIZON: Indonesian Journal of Multidisciplinary (In-Press)
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/hijm.v4i4.6085

Abstract

The ex-mining land in Gunung Sarik, Padang City, has soil conditions with low shear strength due to structural degradation resulting from mining activities. This study aims to analyze the effect of stabilization using fly ash (Class F) and quicklime on the improvement of soil shear strength parameters (cohesion c and internal friction angle φ), with a specific focus on the effect of lime content variations (0%, 4%, 8%, 12%) at a constant fly ash content of 5%. The research methods included soil physical properties testing (moisture content, specific gravity, sieve analysis, Atterberg limits) and direct shear testing referring to ASTM/SNI standards. Based on the Unified Soil Classification System (USCS), the soil was classified as high-plasticity gravelly elastic silt (MH) with a water content of 24.91% and a plasticity index of 15.71%. At 5% fly ash content, the addition of lime increased the cohesion value from 0.049 kg/cm² (0% lime) to 0.234 kg/cm² (8% lime) and the internal friction angle from 43.45° to 67.26°. However, at 12% lime addition, the cohesion value decreased to 0.140 kg/cm², while the internal friction angle increased to 76.77°. The increase in shear strength occurred due to the pozzolanic reaction between CaO from lime and SiO₂ and Al₂O₃ from fly ash, which formed cementitious compounds that bind soil particles. The optimum combination was obtained at a mixture of 5% fly ash + 8% lime. This study recommends the use of this combination for subgrade improvement in light to medium construction in ex-mining areas.  
Co-Authors Al Mudzakki, Fathurrahman Ari Syaiful Syaiful Rahman Ashadi, Reza Ferial Awalliah, Rizka Caronge, Muhammad Akbar Citra, Zel Damara, Rivaldo Fahmi Rizal Faisal Ashar Fani Keprila Prima Fitra Rifwan Fitra Rifwan Hafizul Adib Zulyan Hafizul Adib Zulyan Indang Dewata Jasmon, Rafi Jati Sunaryati Jonni Mardizal Juliafad, Eka Kawaai, Keiyu majid maulana Malinda, Yosie Maulana, Majid Melinda, Annisa Prita Mirshad, Emilham Mona Indria Sabrina Muda Harris Lumban Gaol, Angga Muhamad Adi Rafdi Muhammad Al Azhari Sonita Mulya Gusman Mutiara, Ilhama Nidal Zuwida Nilda Tri Putri Nsama, Willick Oktaviani Pendri, Akel Putra, Rusnardi Rahmat Putri, Prima Yane Rafdi, Muhamad Adi Rahman Arifin, Ari Syaiful Rahmat Puji Santoso Restu, Lisyana Junelin Risma Apdeni Rudy Anarta Sabrina, Mona Indria Santoso, Rahmat Puji Syahril Rahmat Totoh Andayono Umar, Iswandi Wibowo, Paksi Dwiyanto Yaumal Arbi Yusmar, Fajri Zarni Hidayah