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CRANE: Civil Engineering Research Journal
Published by Universitas Komputer Indonesia
ISSN : -     EISSN : 27754588     DOI : https://doi.org/10.34010/crane.v3i1
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Civil Engineering Research Journal (CRANE) provides media to publish the original research articles from contributors related to civil engineering: Civil and Structural Engineering Civil Engineering and Design Construction and Building Materials Construction Management Geo-Technical Engineering Hydraulic engineering Sustainability in Civil Engineering Transportation engineering Water Science and Engineering
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 76 Documents
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ANALISIS DEBIT ALIRAN AIR TANAH PADA KAWASAN GAMBUT TROPIS DI SEKITAR SALURAN BERSEKAT DESA KALAMPANGAN Donny Heryadi; Haiki Mart Yupi; I Made Kamiana
CRANE: Civil Engineering Research Journal Vol 7 No 1 (2026): CRANE - APRIL
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/crane.v7i1.17966

Abstract

Tropical peatlands are an ecosystem crucial for storing carbon and water, with characteristics that make them vulnerable to changes caused by agricultural land, road infrastructure, canal blocking, and other activities. These changes will affect the water balance. One of the parameters of the water balance is groundwater discharge (Q). This research aims to analyze the Q value, groundwater level (TMAT) hydrograph, and water level in the canal (TMAS) hydrograph around blocking channels in tropical peatlands in Kalampangan Village. This research was conducted by measuring fluctuations in TMAT and TMAS. Measure the hydraulic conductivity (K) using the slug test method, with a modified instrument consisting of a measuring float and its base, then test at P2 and P3. Measurements of the wet cross-sectional area and calculations of the hydraulic gradient were also performed to obtain Q using Darcy's Law. For the hydrograph, connect Q, TMAT, and TMAS data to time. The analysis results show that the Q value ranges from 1,47×10-6 to 1,60×10-6 m3/s, with an average of 1,53×10-6 m3/s. Based on the hydrograph, TMAT is influenced by TMAS, and Q flows from tropical peatlands to channels (outflow) because TMAS is lower than TMAT.
IMPLEMENTASI PENGGAMBARAN, PENJADWALAN, DAN ESTIMASI BIAYA DENGAN  METODE BIM Yogie Risdianto; Hariz Fardiaz Dwi Septiawan
CRANE: Civil Engineering Research Journal Vol 7 No 1 (2026): CRANE - APRIL
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/crane.v7i1.19340

Abstract

The implementation of Building Information Modeling (BIM) technology in building construction projects is rapidly evolving, driven by the need for improved efficiency, accuracy, and collaboration in project management. This research aims to analyze the implementation of BIM in its 3D to 5D dimensions within construction at the Faculty of Vocational Management, Airlangga University Gresik. The research methodology employed in this study integrates two primary approaches: a literature review and the application of a Building Information Modeling (BIM) system using Autodesk Revit software. The application of Building Information Modeling (BIM) in construction projects, particularly in the Management Faculty Vocational Building Construction Project at Airlangga University in Gresik, demonstrates efficiency across various aspects. The utilization of BIM 4D and 5D, which combines 3D models from Autodesk Revit with Microsoft Project schedules into Autodesk Navisworks, facilitates realistic construction phase visualization and simulation, as well as direct project cost monitoring. The comparison results show a 6.86% efficiency in cost estimation between conventional methods and BIM methods, which aligns with previous research indicating the cost estimation efficiency of the BIM method. The discrepancy between planner drawings and budget estimates in conventional methods indicates that the BIM method can serve as a control to ensure alignment between drawing volumes and cost estimates. The findings of this study suggest that the integration of BIM technology effectively reduces design error risks and minimizes resource waste, positively impacting construction cost management.
PENGARUH NATRIUM SILIKAT PADA BETON PCC DENGAN PENAMBAHAN ARANG 2% TERHADAP KUAT TEKAN DAN POROSITAS Fikri Fauzi Nur Alam; Muhammad Sihab; Y Djoko Setiyarto
CRANE: Civil Engineering Research Journal Vol 7 No 1 (2026): CRANE - APRIL
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/crane.v7i1.19638

Abstract

The use of sustainable materials in concrete is important to reduce dependence on conventional constituents without compromising material performance. This study investigated the effect of biochar and sodium silicate (Na₂SiO₃) on the compressive strength and porosity of Portland Composite Cement (PCC) concrete. The objective was to analyze the influence of 2% biochar and sodium silicate contents of 5%, 10%, and 15%, and to determine the optimum sodium silicate dosage. An experimental laboratory method was employed using cylindrical specimens measuring 150 × 300 mm. Compressive strength was tested at 7, 14, and 28 days, while porosity was measured at 28 days. The results showed that 5% sodium silicate provided the best performance, with a 28-day compressive strength of 16.49 MPa and the lowest porosity of 1.48%. The addition of 2% biochar alone was not sufficient to improve the 28-day compressive strength. Therefore, 5% sodium silicate was identified as the optimal dosage for producing PCC concrete with a denser internal structure and competitive mechanical performance.
ANALISIS CRITICAL STATE LINE DAN INSTABILITY LINE PADA PASIR PETOBO DENGAN KANDUNGAN LANAU 10% BERDASARKAN PENGUJIAN TRIAXIAL CONSOLIDATED UNDRAINED Latifah Arub Ambarwati; Togani Cahyadi Upomo; Muhammad Ilham Subiantara; Elisa Yuliana; Nila Puspitasari; Adita Narotama; Rizki Heryanto; Lintang Namira Salsabila Andini; Fabian Neopasha Ferdinand Putra
CRANE: Civil Engineering Research Journal Vol 7 No 1 (2026): CRANE - APRIL
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/crane.v7i1.19720

Abstract

This study investigates the mechanical behaviour and instability characteristics of Petobo sand containing 10% silt within the framework of Critical State Soil Mechanics (CSSM). Laboratory testing was conducted employing consolidated undrained (CU) triaxial tests on remolded specimens with varying relative densities after consolidation (Dr,c = 22.65–50.39%) and effective confining pressures (σ′₃ = 100–400 kPa). The analysis focused on stress–strain response, excess pore water pressure generation, and effective stress path evolution to identify the positions of the Critical State Line (CSL) and Instability Line (IL). The results show that all specimens exhibit contractive behaviour accompanied by strain softening after peak strength. The peak deviator stress increased from 18.57 kPa under very loose conditions to 103.48 kPa at higher relative density and confining pressure, indicating a significant influence of density state and effective stress level on shear resistance. Effective stress path analysis reveals that instability occurs prior to reaching the CSL, as indicated by a sharp reduction in deviator stress after the stress path crosses the Instability Line. The obtained IL slope is consistently lower than the CSL slope, with its position influenced by relative density conditions. Furthermore, increasing relative density not only enhances shear strength but also reduces the extent of the potential instability zone in the p′–q stress space. These findings provide new experimental insight into the instability behaviour of Petobo silty sand and contribute to a better mechanistic interpretation of flowslide phenomena in the field.
PENGEMBANGAN METODE RAPID VISUAL SCREENING HYBRID UNTUK EVALUASI KERENTANAN SEISMIK GEDUNG SEKOLAH Enjang Wahyudin; Eko Walujodjati
CRANE: Civil Engineering Research Journal Vol 7 No 1 (2026): CRANE - APRIL
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/crane.v7i1.19736

Abstract

Indonesia faces high seismic risks, with over 62% of school buildings located in zones with Peak Ground Acceleration (PGA) . Conventional Rapid Visual Screening (RVS) methods, such as FEMA P-154, often misclassify confined masonry structures, leading to high false-negative rates. This study develops a Hybrid RVS method that integrates visual heuristics with field-measured quantitative parameters through a systematic five-module approach (Modules A to E). A field survey was conducted using a stratified random sampling of 102 primary schools () in Garut Regency. Module D (gap-filling parameters) utilizing non-destructive testing revealed sub-standard concrete quality, averaging 15.54–17.87 MPa. The mathematical derivation linking Wall Density Index (WDI) to base shear capacity demonstrated a strong exponential correlation () with the Demand-Capacity Ratio (DCR). To scientifically validate the Module E final scoring, a Tier-3 Performance-Based Seismic Evaluation (PBSE) using Nonlinear Static (Pushover) Analysis was performed using an equivalent diagonal strut macro-model in ETABS. The pushover results confirmed the RVS Hybrid diagnosis: a high-risk sample failed the Collapse Prevention target due to an extreme soft-story mechanism, recording an inter-story drift of 2.45%H. The proposed methodology recommends a new rule of thumb for practitioners, establishing a minimum WDI threshold of 2.50% to ensure structural adequacy, thereby supporting prioritized seismic retrofitting and the issuance of Building Reliability Certificates (SLF).
IMPACT OF POLYPROPYLENE MACRO FIBER ON MECHANICAL AND BOND STRENGTH IN SUPER-SULPHATED CEMENT CONCRETE Lucky Manuel; Herry Suryadi Djayaprabha
CRANE: Civil Engineering Research Journal Vol 7 No 1 (2026): CRANE - APRIL
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/crane.v7i1.19746

Abstract

Super-sulphated cement concrete (SSC) has emerged as a promising low carbon binder system due to its high ground granulated blast furnace slag (GGBFS) content, however,par its mechanical performance is often limited by internal expansion, slow early hydration, and vulnerability to microcracking. Polypropylene macro fibers (PMF) have the potential to overcome these issues, but their influence on SSC particularly sulphate-activated systems has not been widely established. This study investigates the effects of PMF incorporation (0–1% by volume) on the mechanical performance, bond behavior, and microstructure of SSC activated using Sodium sulphate (Na₂SO₄) as sulfate activator and OPC as alkali activator. Compressive, flexural, and bond strength tests were conducted alongside ultrasonic pulse velocity (UPV) evaluations and microstructural analysis using XRD and SEM. The results demonstrate that PMF addition significantly enhances SSC performance. At 1% fiber content, compressive, flexural, and bond strengths improved by 20.41%, 55.31%, and 62.05%, respectively, compared with fiber-free SSC, accompanied by higher UPV values indicating a denser matrix. Microstructural observations confirmed the formation of C–S–H, ettringite, and portlandite, with improved matrix integrity in fibrous mixtures. These findings highlight the effectiveness of PMF in improving the structural performance and durability indicators of sulphate-activated slag concrete, offering practical insights for developing sustainable and fiber reinforced low carbon construction materials.

Page 8 of 8 | Total Record : 76

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