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PRESUNIVE CIVIL ENGINEERING JOURNAL
Published by President University
ISSN : -     EISSN : 2987145X     DOI : -
Core Subject : Art, Engineering,
Arts Civil Engineering, Building, Construction & Architecture Control & Systems Engineering
PRESUNIVE CIVIL ENGINEERING JOURNAL [ISSN2987-145X (online)] is a scientific publication media for researchers, students as well as practitioners in the area of expertise of Structural Engineering, Construction Engineering & Management, Geotechnical Engineering, Water Resources Engineering, and Transportation Engineering. The Journal publishes in April and October under the supervision of the Civil Engineering Study Program, President University.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Teknik Lingkungan
Articles 30 Documents
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Sediment Characteristics and Prediction of Sediment Yield in Drainage Channel: A Study on Yos Sudarso Street Cikarang City Irianto, Emilia Arista; Sudjatmiko, Eddy Triyanto; Bali, Ika
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 2, No 2 (2024)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v2i2.5529

Abstract

Yos Sudarso Street, Cikarang City, is crucial for mobility and economic activity. However, Yos Sudarso Street has waterlogging and flooding issues due to severe sediment accumulation, resulting in siltation of the channel, so it cannot flow stormwater properly. This study aims to identify sediment characteristics and predict sediment yield in the drainage channel on Yos Sudarso Street, Cikarang City. It’s essential because sediment has negative impacts on drainage channels. The limited studies on sediment characteristics and sediment yield prediction in urban areas make this study necessary. The bed sediment samples were taken from 3 points in the drainage channel to identify the sediment characteristics. Sediment yield prediction using the Universal Soil Loss Equation method based on rainfall erosivity, soil erodibility, slope length, steepness, and crop management factors. The sediment characteristics at sites 1, 16, and 17 were dominated by large sand grains (0.82-1.81 mm) that were difficult to transport. Poorly sorted indicates low flow energy. Grain size distribution extends to fine grains. Sites 1 and 17 are concentrated at mean size, while site 16 is concentrated at the extreme size. The sediment yield prediction by the universal soil loss equation is 1.989 (t/ha/yr). This information can be used to formulate effective sedimentation control strategies.
Study of Base Shear and Inter-Story Drift due to Earthquake Forces on a Ten-Story Building Structure in Surakarta Assidiq, Yudistira Cahaya; Bali, Ika
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 3, No 1 (2025)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v3i1.5627

Abstract

Earthquakes are the frequent natural disasters that hit Indonesia as a consequence of the country's geographical location. Surakarta City become a region that frequently suffers the effects of earthquakes. Earthquake disasters threaten high-rise building structures in Surakarta City, where earthquake loads acting on the structure can cause damage and even structural collapse. These historical and geographical reasons become the foundation of this research to analyze high-rise building structures in Surakarta City. In this study, the structural conditions of the analyzed high-rise buildings comply with the equivalent static method's analysis requirements, so that this method can be employed in this research. The equivalent static analysis was conducted through manual calculation and the ETABS program. This study focuses on several structural parameters, including base shear force, and inter-story drift. Based on the analysis that was already conducted, the base shear force was obtained at 14392.365 kN through manual calculation and 14984.490 kN through ETABS program analysis. The inter-story drift value that was already calculated fulfils the maximum threshold requirements, where the inter-story drift values are 17.984 mm – 68.183 mm in the X direction and 9.846 mm - 46.804 mm in the Y direction.
Cultural Influence towards Corruption: Perceptions of Construction Practitioners in Indonesia Hansen, Seng
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 3, No 1 (2025)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v3i1.5817

Abstract

The construction sector is one of the most vulnerable sectors to corruption. Previous publications have examined the causes, types, impacts, and strategies for preventing and eradicating corrupt practices in the construction sector. This research, however, focuses on the influence of cultural aspects on corrupt practices in the Indonesian construction sector. Through a mixed-method approach, this research identifies various forms of corruption in the construction sector and measures construction practitioners’ perceptions regarding the frequency of these corrupt practices. In summary, 14 forms of corrupt practices can occur at four stages of construction procurement. The analysis results also show practitioners’ perception of corruption as a norm in the construction business. This is motivated by the influence of cultural aspects in Indonesian society, especially related to the practice of connections and insiders, as well as a permissive attitude towards corruption. The results of this research contribute as a reference for stakeholders in understanding the influence of cultural aspects comprehensively so that they can take effective steps in establishing an anti-corruption culture in Indonesia.
Shear Strength Reduction of Expansive Soil and Its Impact on Sheet Pile Structure Stability (Study at Cikarang District, Bekasi Regency, West Java) Sudjatmiko, Eddy Triyanto; Alifia, Shilan Nazwa
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 3, No 1 (2025)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v3i1.5895

Abstract

Expansive clay soils are classified as a problematic soil type, which is very sensitive to changes in moisture content. This sensitivity causes volume fluctuations and a decrease in soil strength parameters over time. The phenomenon has implications for the degradation of soil shear strength, which is often overlooked in long-term stability analysis. A real case happened in Bekasi Regency, where a slope retaining sheet pile experiencing a slant that was not predicted in the initial design. At the design and construction stage, the structure did not experience movement. However, over the time, the structure experienced a slow movement causing it to become lopsided and severely damaged, affecting the road below. This condition is suspected to be due to a decrease in soil strength over time. To investigate this issue, this thesis undertakes a numerical modeling approach with the Finite Element Method (PLAXIS 2D). It allows the simulation of gradual deterioration of soil parameters including cohesion (c), internal shear angle (ϕ) and modulus of elasticity (E) until results are obtained that match the current field conditions. The analysis revealed that the main cause of the sheet pile slope was a 35% decrease in soil shear strength after 13 years due to expansive soil characteristics. The cohesion of the top layer was reduced to 8.48 kN/m², the internal friction angle to 2.75°, and the elastic modulus to 1914.67 kN/m². In the second layer, the cohesion value was 25.14 kN/m², while the internal friction angle was 11.47° and the elastic modulus was 7218.71 kN/m². The cohesion in the third layer reached 36.28 kN/m², an internal friction angle of 12.71°, with an elastic modulus of 10466.96 kN/m², while in the fourth layer the cohesion reached 42.66 kN/m² and an internal friction angle of 13.42° with an elastic modulus of 12329.57 kN/m². Accompanied by a bending moment generated of 88.6 tons.m so it is recommended to use corrugated concrete sheet pile (CCSP) type W600 Type B for this condition. The study revealed that the stepwise decrease in the shear strength of the soil, caused by its expansive nature, was a major factor in the instability of the sheet pile structure.
Effect of Electrokinetic Soil Improvement on CBR Value of Expansive Clay Darmiyanti, Lydia; Imanuel, Ivan; Prihartono, Prihartono
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 3, No 1 (2025)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v3i1.5881

Abstract

Improvement of low permeability soils with high plasticity index and high shrinkage expansion cannot be done by soil compaction or consolidation. The structure of expansive clays is influenced by the history of soil formation. Expansive soil structure is composed of two tetrahedra with one octahedron. Van der Waals bonds bind them together. Kolinite, illite, and montmorillonite are minerals in expansive soils. Montmorillonite has the weakest bond of the others so that other elements can easily enter the clay structure and bind to it. The ability of clay soil to absorb water or other minerals that come close is due to its cation exchange capacity (CEC). Clay, with its negative ions, will attract positive ions that approach the soil surface. Water with H+ content will easily enter into the structure of the clay soil, bond with it, and cause the soil to swell.Electrokinetic soil improvement is effective on clay soils. With the nature and characteristics of clay soil, positively charged stabilizing ions are required. Positive ions will enter due to the CEC process and affect the mineral content of the soil, thereby improving the physical and mechanical properties of the clay soil. Therefore, this research needs to be conducted to improve clay soil using the electrokinetic method with a calcium dioxide solution. An increase in the Bearing Capacity Ratio (CBR) value occurred after being improved by electrokinetics using four variations of voltage application.The variation of applied voltage gives different results to the change of soil mechanical properties. The original soil CBR of 0.093% increased for all stress applications. The optimum CBR value occurred in the soil applied with 15V. The resulting CBR increase reached 200% of the original soil CBR.
Comparative Analysis of Embankment Slope Stability using Geofoam Sudjatmiko, Eddy Triyanto; Hairunnisa, Arsila
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 3, No 1 (2025)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v3i1.5879

Abstract

Landslides caused by land movement due to unstable soil are one of the causes of infrastructure damage such as cracks or collapse and can pose various threats to humans. The development of technology in geotechnics called geofoam material which is also known as lightweight material can be solution. This study aims to determine whether geofoam can be used as a partial replacement material for soil by comparing the results that have been analyzed using Plaxis 2D software. Landslides with existing silt clay soil conditions occur because the safety factor = 1 in undrained conditions. Meanwhile, on embankment soil built with geofoam measuring 1 x 4 m on a 15 m thick embankment and a slope of 1:2, it shows that the safety factor on the slope increases to 1.5 for undrained conditions and 1.9 for drained conditions. A reduction in the amount of geofoam by 37% was carried out and the SF figures were 1.34 for undrained and 1.6 for drained. These results have met the requirements of SNI 8460:2017, where SF>1.25 and external load of 25 kN/m2 did not change the safety factor on the geofoam embankment. In addition, the displacement in undrained and drained conditions on the existing soil reached 27 cm and 31 cm respectively, much different from the displacement on the geofoam which was only 2.3 cm and 2.7 cm. The results of the effective stress distribution pattern and shear strain showed that the activity that occurred on the embankment with geofoam was very low compared to the existing soil. It can be concluded that geofoam material can replace part of the embankment, because it has been proven to be able to stabilize the slope on the embankment. In addition, the more geofoam used, the higher the stability of the embankment.
Construction Learning Revolution: Optimizing Student Engagement and Understanding through Game-Based Learning with Minecraft as a Learning Medium Koesalamwardi, Ario Bintang; Hansen, Seng
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 3, No 2 (2025)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v3i2.6307

Abstract

In the digital era, innovative learning methods are key to increasing student engagement and understanding in engineering and construction. One of the increasingly emerging approaches is game-based learning (GBL), where games are used as interactive educational tools. This study explores the effectiveness of Minecraft: Education Edition in improving academic performance and engagement of students in the Construction Engineering and Management (CEM) Study Program at a university in Indonesia. This study used a mixed method, namely learning observation and questionnaire survey of students attending Minecraft-based lecture sessions. The findings of this study are presented in three main topics, namely the implementation of Minecraft: Education Edition as a learning medium, the Effectiveness of Minecraft as a Learning Medium for Construction Management, and implementation barriers. The results of this study are expected to provide insight into best practices in engineering education, especially in the application of interactive technology to improve learning effectiveness. This study also provides recommendations for higher education institutions to adopt game-based learning as part of innovative strategies in engineering learning. With increased student engagement and understanding through game-based simulations, Minecraft has the potential to be a revolutionary educational tool in the construction discipline.
Construction Workers’ Perceptions of Project Sacrifice and Safety Compliance Hansen, Seng; Fassa, Ferdinand; Chandra, Vido
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 3, No 2 (2025)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v3i2.6294

Abstract

Many prior studies focused on construction workers' perceptions of safety compliance, but little or no research has been undertaken to investigate the relationship between construction project sacrifice and safety compliance. Construction project sacrifice – known as ‘tumbal proyek’ in the Indonesian Language is a socio-cultural phenomenon that still exists in Indonesian society. This research examines the perceptions of construction workers regarding project sacrifice and their relationship to workers’ compliance with construction safety management. A mixed-method approach was employed, which consisted of an integrative literature review and questionnaire surveys. In total, there were 102 valid survey responses, which were analysed using Structural Equation Modelling-Generalised Structured Component Analysis (SEM-GSCA). The analysis demonstrates a positive relationship between workers’ perceptions of project sacrifice and safety compliance. This study adds by offering empirical data on the phenomenon of project sacrifice and how workers' perceptions of it can influence the construction safety compliance in Indonesia. Although this is a context-specific study, the findings can serve as a reference for future research to enhance the safety climate in construction projects.
Comparative Study of Molasses and Chemical Retarders on Concrete Compressive Strength and Setting Time Bali, Ika; Matondang, Imanuel
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 3, No 2 (2025)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v3i2.6324

Abstract

Concrete damage is often linked to reduced structural strength due to rapid setting, which complicates compaction and placement. Chemical retarders are commonly used to address this issue but are costly and environmentally unfriendly. Molasses, a by-product of the sugar industry containing sucrose, glucose, and fructose, offers a potentially eco-friendly and economical alternative. This study compares the effects of molasses and a chemical retarder (Plastiment VZ) at dosages of 0.2–0.4% on concrete compressive strength and initial setting time. Results show that 0.35% molasses increased compressive strength to 25.48 MPa compared to 19.53 MPa in normal concrete, though strength declined at 0.4%. Plastiment VZ showed more consistent gains, reaching 25.90 MPa at 0.4%. For setting time, molasses delayed hydration to 435 minutes (0.4%), while Plastiment VZ extended it further to 690 minutes (0.4%). Thus, molasses can serve as an alternative retarder, though Plastiment VZ provides more stable effects.
Strength Properties of Cellular Lightweight Concrete Bricks Using Sorong Sand Titarsole, Daniel Khen; Bali, Ika; Sudjatmiko, Eddy Triyanto
PRESUNIVE CIVIL ENGINEERING JOURNAL Vol 3, No 2 (2025)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/pcej.v3i2.6325

Abstract

Infrastructure growth in Sorong requires innovative construction materials that are efficient, durable, and environmentally friendly. Cellular Lightweight Concrete (CLC) bricks are proposed as an alternative to conventional red bricks. This study investigates the compressive strength and density of CLC bricks made with Sorong sand, using Cikarang sand as a comparison. Laboratory trials were conducted to develop a mix design with a target density of 800 kg/m³. The results show that CLC bricks using Sorong sand reached densities of 821.73–867.16 kg/m³ and compressive strengths of 0.81–1.11 MPa at curing ages of 3, 7, and 14 days. These values were slightly lower than those of Cikarang-sand bricks, which achieved densities of 831.11–879.01 kg/m³ and strengths of 0.81–1.26 MPa. The reduced strength of Sorong-sand bricks is related to their lower density. Nonetheless, testing confirmed that Sorong sand meets fine aggregate specifications, making it suitable for CLC brick production and supporting local infrastructure development.

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