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Sahabuddin Latif
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Journal of Green Complex Engineering
Published by CV. Gio Architect
ISSN : -     EISSN : 30259673     DOI : 10.59810/greenplexresearch
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Energy Engineering
Greenplex Research Journal of Green Complex Engineering adalah jurnal akademik yang berfokus pada penelitian dan publikasi di bidang rekayasa kompleks hijau. Jurnal ini menekankan pada perkembangan dan aplikasi solusi teknis yang berkelanjutan dan ramah lingkungan dalam desain, konstruksi, dan pengelolaan kompleks bangunan. Greenplex Research Journal of Green Complex Engineering bertujuan untuk menyediakan wadah bagi para peneliti, ilmuwan, akademisi, praktisi, dan profesional di bidang rekayasa kompleks hijau untuk berbagi pengetahuan, temuan, dan inovasi terbaru. Jurnal ini mempromosikan pertukaran informasi yang luas dan kolaborasi di antara para ahli yang tertarik dalam menciptakan bangunan dan infrastruktur yang lebih ramah lingkungan.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 50 Documents
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Evidence-Informed Biophilic Public Library Design for Humid-Tropical Makassar Suratul Annisa; Syahriyunita Syahruddin Syahruddin; Siti Fuadillah Alhumairah Alhumairah; Muh. Syarif Syarif; Sahabuddin Latif Latif; Ashari Abdullah Abdullah; Irnawaty Idrus
Journal of Green Complex Engineering Vol. 4 No. 1 (2026): August
Publisher : Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/greenplexresearch.v4i1.280

Abstract

Public libraries in growing tropical cities need to function as inclusive civic-learning infrastructure rather than as book repositories. This study develops an evidence-informed framework for a biophilic public library and study center in Makassar, Indonesia. A research-by-design method integrated 2020–2024 demographic data, comparison of two candidate sites, humid-tropical climate conditions, activity-based spatial programming, precedent studies, and biophilic-design literature. Analysis combined descriptive statistics, compound annual growth, ordinary least-squares trend estimation, program normalization, and directional interpretation of sun, wind, potential noise exposure, and access. Potential users increased from 410,000 to 429,000, corresponding to 1.14% compound annual growth. The 2034 planning range is approximately 474,700–484,000 potential users. The selected approximately 1.6-ha site requires responses to eastern traffic exposure, western afternoon heat, high humidity, and monsoon rainfall. The 5,696 m² program assigns 70% to primary learning activities. The three-level proposal combines planted buffers, a semi-open atrium, reading stairs, flexible spaces, a shaded envelope, and mixed-mode conditioning. The resulting framework provides a traceable process for connecting user demand, climate, program, landscape, envelope, and operation within a testable design hypothesis. Environmental and behavioral performance remains subject to simulation, stakeholder review, and post-occupancy evaluation.
Living Craft Infrastructure: A Neo-Vernacular Tri-Ethnic Gallery Framework for Makassar Krisdayanti; Ashari Abdullah Abdullah; Citra Amalia Amal Amal; Rohana Abdullah; Nurhikmah Paddiyatu Paddiyatu; Muh. Syarif Syarif
Journal of Green Complex Engineering Vol. 4 No. 1 (2026): August
Publisher : Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/greenplexresearch.v4i1.281

Abstract

Bugis, Makassar, and Toraja crafts embody material knowledge, social memory, and economic value, yet their exhibition, production, education, promotion, and conservation remain spatially dispersed. This study develops a design framework for an integrated South Sulawesi Handicraft Gallery that represents the three traditions equitably through a neo-vernacular architecture responsive to Makassar’s coastal climate. A research-through-design method combined document and literature review, cultural-object mapping, site observation, visitor projection, user and activity analysis, room-program reconciliation, precedent synthesis, and iterative translation of cultural and environmental principles. The internally consistent visitor series rose from 3.50 million in 2022 to 6.29 million in 2025. A linear model projects 15.89 million citywide visitors in 2035; a two-percent attraction capture corresponds to about 317,800 annual or 871 daily visits, supporting an initial peak capacity of approximately 1,000 visitors per day. The reconciled program assigns 14,429.2 m² within a 16,721 m² gross envelope. The design combines a communal plaza, three parallel cultural zones, visible workshops, learning spaces, collection-care rooms, separate logistics, woven shading screens, cross-ventilation, vegetation, and targeted environmental control. The framework positions the gallery as living cultural infrastructure connecting heritage stewardship, experiential learning, artisan visibility, and the creative economy.
Feminist Architecture for Inclusive Heritage Learning at the Colliq Pujie Museum Muh Alfin; Ashari Abdullah; Citra Amalia Amal; Nurhikmah Paddiyatu; Sahabuddin Latif; Andi Yusri
Journal of Green Complex Engineering Vol. 4 No. 1 (2026): August
Publisher : Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/greenplexresearch.v4i1.282

Abstract

This study develops an inclusive heritage-learning environment for the Colliq Pujie Museum Complex in Barru Regency through a feminist architectural approach. A research-through-design method combined literature and precedent review, field observation, comparative site selection, climate and access analysis, user–activity mapping, spatial programming, descriptive quantitative analysis, and criteria-based evaluation. The selected 1.79-ha site adjoins the existing museum and is directly accessible from a provincial road. The resulting 9,502-m² program integrates temporary and immersive exhibitions, a Barru history gallery, education, workshops, library and research functions, a 529-seat auditorium, reflection spaces, and supporting amenities. Feminist principles were translated into human-scaled thresholds, connected commons, universal circulation, passive visibility, mixed-mode environmental zoning, and an interpretive sequence that presents Colliq Pujie as a producer and custodian of Bugis knowledge. The proposal demonstrates that gender-responsive architecture can be operationalized as a performance framework linking representation, access, safety, participation, and environmental comfort rather than as a formal style. The design remains a schematic hypothesis requiring participatory validation, environmental simulation, accessibility auditing, and post-occupancy evaluation.
Turning Turnitin Highlights into Structured Data with Report-Aware HSV Segmentation and GPU-Enabled OCR Mutiara yusuf; Rizki Yusliana Bakti; Titin Wahyuni
Journal of Green Complex Engineering Vol. 4 No. 1 (2026): August
Publisher : Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/greenplexresearch.v4i1.284

Abstract

Turnitin similarity reports contain rich spatial, color, and textual information, yet highlighted passages are usually inspected visually rather than converted into structured data. This study develops a report-aware pipeline that transforms color-coded Turnitin highlights into analyzable records. The method combines PDF rendering, page-type triage, hue–saturation–value (HSV) segmentation, morphological processing, connected-component analysis, geometric filtering, and GPU-enabled optical character recognition (OCR), with PDF text-layer inspection as supporting information. The evaluation corpus comprised 106 reports and 3,057 pages. Page triage identified 1,315 highlight-bearing pages and routed 56.98% of pages away from detailed processing. HSV segmentation produced eight color classes and 11,471 pre-filter components. After filtering and text extraction, 7,530 structured records were retained; 76.75% satisfied the predefined good-readability criterion, 20.04% were very short fragments, and 3.21% were noisy, garbled, or empty. Document workload was strongly right-skewed. The results establish systems-level feasibility for auditable extraction without treating textual similarity as automatic evidence of plagiarism or the readability indicator as OCR accuracy.
Downstream Amplification of Suspended-sediment Flux Outpaces Discharge Growth in the Mangottong River, Indonesia Muhammad Scyroth Arianto; Ilfan Muis; Andi Makbul Syamsuri; Fithriyah Arief Wangsa
Journal of Green Complex Engineering Vol. 4 No. 1 (2026): August
Publisher : Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/greenplexresearch.v4i1.286

Abstract

Suspended-sediment transport in small tropical rivers can change sharply over short distances because discharge, sediment availability, and cross-sectional mixing vary simultaneously. This study examined longitudinal changes in water discharge, suspended-sediment concentration (SSC), and instantaneous suspended-sediment flux along the Mangottong River, South Sulawesi, Indonesia. Five observations were available at each upstream, midstream, and downstream cross-section. Point discharges were verified from the field calculations, SSC was derived from laboratory dry-mass measurements, and section concentration was evaluated using discharge weighting. Suspended load was calculated as 0.0864CQ, with C in mg L⁻¹ and Q in m³ s⁻¹. Section discharge increased from 5.178 to 7.554 and 8.438 m³ s⁻¹, whereas discharge-weighted SSC changed from 626.5 to 568.3 and 1,829.2 mg L⁻¹. Corresponding suspended loads were 280.3, 370.9, and 1,333.5 t d⁻¹. The downstream section therefore carried 4.76 times the upstream load while water discharge increased only 1.63-fold. The lower-reach amplification was driven primarily by sediment enrichment rather than discharge growth alone, demonstrating the value of discharge-weighted sampling for interpreting sparse river surveys.
Scenario-Based Design-Storm Runoff Attenuation by Infiltration Wells in the Tanralili Sub-Watershed Ilham Amring; Farida Gaffar; Amrullah Mansida
Journal of Green Complex Engineering Vol. 4 No. 1 (2026): August
Publisher : Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/greenplexresearch.v4i1.287

Abstract

This study evaluates design-storm surface runoff and an infiltration-well scenario for the Tanralili Sub-Watershed, South Sulawesi, Indonesia. Annual rainfall records for 1997–2018 from Tanralili, Tompobulu, and Batubassi stations were used to derive regional rainfall, design rainfall with Gumbel and Log-Pearson type III distributions, and short-duration intensity using the Mononobe equation. Peak runoff was estimated with the Rational method for eight land-cover classes. The no-well scenario used an 85.35% runoff factor and the infiltration-well scenario used 27.63%; these factors were treated as scenario assumptions rather than measured field efficiencies. Summed Rational-method discharge increased from 56.90 m³ s⁻¹ for the 2-year event to 95.65 m³ s⁻¹ for the 25-year event. At the 25-year return period, scenario discharge decreased from 82.49 to 26.71 m³ s⁻¹, with the largest absolute reduction assigned to mixed dryland agriculture (23.95 m³ s⁻¹). The results identify high-leverage locations for runoff control, but engineering deployment requires reconciliation of mapped areas, land-cover-specific runoff coefficients, field infiltration measurements, and event-based hydraulic validation before the scenario can be interpreted as operational performance.
Bed-Slope Amplification of Non-Cohesive Sediment Transport under Supercritical Open-Channel Flow Fayyed Fauzi; Akhmad Fikri; Farida Gaffar; Kasmawati
Journal of Green Complex Engineering Vol. 4 No. 1 (2026): August
Publisher : Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/greenplexresearch.v4i1.289

Abstract

Bed slope and discharge control the capacity of open-channel flow to mobilize sediment, yet their relative effects are often difficult to separate because bed-load transport is intermittent and empirical equations are sensitive to hydraulic context. This study quantifies the effects of bed slope and discharge on non-cohesive sand transport in a controlled tilting flume. Sand with a nominal diameter of 0.6 mm and a specific gravity of 2.71 was tested at bed slopes of 1.5%, 2.0%, and 2.5% under discharges of 252.92 and 391.42 cm³ s⁻¹. Three independent trials were conducted for each treatment combination, and trial means were analyzed using two-factor ANOVA on the logarithmic scale. Sediment transport increased consistently with both slope and discharge. Bed slope produced the stronger effect (p < 0.001; partial η² = 0.794), while discharge was also significant (p = 0.0086; partial η² = 0.450); their interaction was not significant. Excess bed shear stress explained 83.8% of variation among treatment means. Schoklitsch predictions were closer to measurements than the implemented Shields-based estimates, although both generally underestimated transport. The results show that modest slope changes can sharply amplify sediment mobility under supercritical flow.
Irrigation Serviceability under Seasonal Scarcity: Digital Water Balances and Canal Deterioration in Pamukkulu Nur Hikmah Amelia; Farida Gaffar; Indriyanti Azis
Journal of Green Complex Engineering Vol. 4 No. 1 (2026): August
Publisher : Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/greenplexresearch.v4i1.291

Abstract

This study evaluates whether Irrigation Service Agreement (ISA) commitments remain physically deliverable under seasonal water scarcity and canal deterioration in the Pamukkulu Irrigation Area, South Sulawesi, Indonesia. A descriptive quantitative design combined farmer questionnaires, field observations, and a 72-period five-day SIPASI water-balance series across six SCADA-supported secondary-canal service units covering 2,885 ha; the September–October 2026 periods were treated as planning projections rather than realized observations. Service performance was assessed through equity, adequacy, and reliability, while principal survey proportions were summarized with Wilson 95% confidence intervals. Mean intake requirement was 4,796.8 L s−1, whereas mean available discharge was 2,380.6 L s−1, equivalent to 49.6% of requirement. The mean K factor was 0.47; full-service conditions were identified in 19 of 72 periods, while severe-deficit conditions were identified in 31 periods. For the projected 1–11 September 2026 periods, available flow covered only 1.4–2.0% of intake demand. Farmers identified leakage as the dominant loss mechanism (72.7%), secondary canals as the highest-loss segment (60.6%), and downstream shortage as the main consequence (51.5%). The results support K-triggered scarcity rules, targeted secondary-canal maintenance, and tighter operational linkage among ISA, SIPASI, SCADA, and P3A.
Asymmetric Bank Erosion Reveals Geomorphic Susceptibility in the Pattalasang River, Indonesia Sri Winanda Arifin; Marufah; Muh Yunus Ali
Journal of Green Complex Engineering Vol. 4 No. 1 (2026): August
Publisher : Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/greenplexresearch.v4i1.292

Abstract

Riverbank erosion can alter channel geometry and progressively reduce bank support, yet reconnaissance studies often lack the hydraulic and geotechnical data required for formal stability modelling. This study evaluates whether simple field measurements can provide a defensible screening of geomorphic susceptibility along the Pattalasang River, South Sulawesi, Indonesia. Three cross-sections were examined: one comparatively stable baseline and two eroding sites. Cross-sectional areas were reconstructed by trapezoidal integration, erosion volumes were calculated from measured erosion dimensions, lateral concentration was expressed using an asymmetry index, and two grain-size distributions were compared descriptively. Quality control corrected a factor-of-four inconsistency in the original cross-sectional summaries, giving areas of 17.55, 14.70, and 13.25 m² for the baseline, Point I, and Point II. Erosion volume reached 74.96 m³ at Point I and 25.41 m³ at Point II. Left-bank erosion contributed 92.45% and 89.10% of site totals, with asymmetry indices of 0.849 and 0.782. Similar grain-size curves indicate that sediment gradation alone does not explain the 2.95-fold erosion contrast. The screening identifies Point I as the priority for repeat hydraulic and geotechnical assessment.
A cross-validated discharge–grain-size model for maximum bed scour in a mobile-bed open channel Soemitro Emin Praja; Muhammad Nurhidayat; M. Agusalim; Asran
Journal of Green Complex Engineering Vol. 4 No. 1 (2026): August
Publisher : Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/greenplexresearch.v4i1.294

Abstract

This study develops a compact empirical model for maximum bed scour in an unobstructed mobile-bed open channel. Experiments were conducted in a 9 m flume using a 3×3 matrix that combined discharges of 0.0026, 0.0034, and 0.0045 m³ s⁻¹ with nominal grain sizes of 2.36, 1.18, and 0.85 mm. Final bed change was measured at 20 sections and seven transverse points for each condition, providing 1,260 spatial observations. Maximum scour increased from 0.8 to 4.5 cm, while the proportion of scoured observation points rose from 19.3% to 100%. The additive relation dₛ(cm)=1.272+0.883Q*−1.037d* explained 93.5% of the fitted variance and retained R²=0.843 under leave-one-condition-out cross-validation, with RMSE=0.394 cm. A particle-densimetric-Froude formulation produced a very strong fit on the normalized response scale but only a marginal reduction in cross-validated error after back-transformation. Discharge and grain size therefore acted as comparably strong controls in opposite directions within the tested range. The proposed relation is intended for interpolation within this experimental domain rather than as a universal design equation.

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