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Fondasi: Jurnal Teknik Sipil
Published by Universitas Sultan Ageng Tirtayasa
ISSN : 23024976     EISSN : 25031511     DOI : http://dx.doi.org/10.36055/jft.v9i1.7440
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Transportation
Terbitan berkala yang mempublikasikan hasil penelitian yang berkaitan dengan pengembangan sains dan teknologi dalam bidang teknik sipil (Struktur, Transportasi, Geoteknik, Sumber Daya Air dan Manajemen Konstruksi) sebagai bentuk kekayaan intelektual. Diterbitkan sebanyak 2 kali dalam satu tahun yakni pada Bulan April dan Oktober.
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Articles 15 Documents
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Search results for , issue "Vol 14, No 1 (2025)" : 15 Documents clear
Analysis of Worker Productivity with Time Study Method on Column Work Setiawati, Dwi Novi; Intari, Dwi Esti; Asyiah, Siti; Maddepunggeng, Andi; Ujianto, Rifky; Syahid, Mushab Abdu Asy; Damanik, Mariana Feronica; Dharmawan, Yoga
Jurnal Fondasi Vol 14, No 1 (2025)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v14i1.32143

Abstract

This research discusses the value of worker productivity in building column work, there are several factors that affect the value of worker productivity, the value of productivity will affect various aspects of construction projects, including completion time, cost, and quality, therefore the organizers of construction projects must know the value of worker productivity when doing work. The research was conducted by conducting field observations to obtain column work time which was then analyzed using the Time Study method to determine the value of worker productivity and work costs. The results showed that the productivity value of Pamulang University column work was obtained in column reinforcement work of 544.07 kg/OH, in column formwork work of 42.01 m2/OH, in column casting work of 57.05 m3/OH, and in formwork dismantling work of 170.38 m2/OH. Factors that hinder productivity in Pamulang University column work, namely in column reinforcement work is the number of workers, in column formwork work is the number of workers and the position of workers, in column casting work is the number of workers, and in column formwork dismantling work is the position of workers and the number of workers. The cost required per column in the Pamulang University Development project is Rp6,727,870.00.
Analysis of the Safety of the Krebet-Bululawang Highway Section in Review from the Completeness of Road Infrastructure Aspects Primasworo, Rifky Aldila; Oktaviastuti, Blima; Nuha, Yusririn
Jurnal Fondasi Vol 14, No 1 (2025)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v14i1.31261

Abstract

Road safety is a topic that is often raised, and is currently a world concern that not only affects transportation but also society. Therefore, it requires an analysis of road safety in terms of the completeness of road infrastructure to meet the standard value of the Indonesian Road Capacity Guideline. and the National General Plan for Road Traffic and Transportation Safety (RUNKLL). The purpose of the study was to determine the accident-prone points on the Krebet-Bululawang highway, Malang Regency. and provide handling efforts related to the results of the Krebet Highway Safety Analysis in Review from the Completeness of Road Infrastructure Aspects. In this study, what is calculated is the Z-score Technical Analysis of accident-prone areas (Black sites), the Cusum Technique of accident-prone points (Black Spot). Based on the results of accident characteristic data processing, the location of accident-prone points (black spots) that have the largest custom value on Jalan Krebet is identified as accident-prone points in segments 1 and segment 3 as the cause of having the largest custom values, namely 7,200 and 5,250. Based on the accident data, the accident z-score values for each segment were obtained based on the total number of accident incidents during the period 2018 - 2022 with 2 road segments with the highest scores, namely segments 1 and 3 where the number of accident victims was 11 accident victims and the highest z-core value was 2.012 in segment 1 and segment 3 0.224 Identify characteristics that are deeper and more detailed, this is based on the results of analysis of accident z-score values that appear 2 priority road segments and aim in efforts to handle accident-prone segment location points that have been identified and determined previously. At this stage, the most important technical problems in road traffic safety will be described as Proposed Handling for accident-prone areas (black sites) and accident-prone points (back spots) that need to be installed warning signs for dangerous areas where accidents often occur. Usually the placement of these traffic signs is at least 50 meters before areas where accidents often occur according to the standard of RI transportation regulations No PM 13 2014 concerning traffic signs.
Performance of Aggregate in Relation to Polishing Resistance Sulandari, Eti; Widodo, Slamet; Mayuni, Siti; Lestyowati, Yoke; Falderika, Falderika; Sutarno, Sutarno
Jurnal Fondasi Vol 14, No 1 (2025)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v14i1.29945

Abstract

More than 90% of aggregate is used in asphalt mixtures, meaning the type of rock used as aggregate must comply with permitted specifications. Igneous rocks, as one type of rock, are often used in road construction. Aggregates found in various sources indicate that they possess different characteristics. The resistance of aggregates to polishing demonstrates their ability to support better skid resistance. This study aims to determine the polishing resistance of aggregates by comparing two types of aggregates from different sources (aggregate-1 and aggregate-2). The testing method was conducted in a laboratory, referring to the 2018 Bina Marga and British standards. The equipment includes the polishing Stone Machine and the British Pendulum Tester (BPT).The results showed that both aggregates are suitable for asphalt mixture materials. However, the polishing resistance test results for aggregate-2 (28 BPN) were higher than aggregate-1 (26.4 BPN) because the surface texture of aggregate-2 is coarser, with larger pores, making it rougher. Based on the polishing resistance test, aggregate-1 had longer resistance (65.35%) than aggregate-2 (61.74%) because aggregate-1 is harder than aggregate-2; this can also be observed from their property test results.In conclusion, aggregates from different sources have distinct characteristics and polishing resistance.
Analysis of Construction Safety Management System Based on the Ministry of Public Works and Housing Regulation No.10 of 2021 (Case Study: Basement Construction Project of the Great Mosque of Serang City) Asyiah, Siti; Ujianto, Rifky; Asy Syahid, Mush'ab 'Abdu; Setiawati, Dwi Novi; Damanik, Mariana Feronica; Syarahbil, Syarahbil
Jurnal Fondasi Vol 14, No 1 (2025)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v14i1.32261

Abstract

The Indonesian Government through the Minister of Public Works and Housing has recently issued Regulation Number 10 of 2021 concerning guidelines for the Construction Safety Management System (SMKK). This regulation must be implemented during construction as it is part of project planning and control. The objectives of this research are to analyze the level of influence of PUPR Ministerial Regulation No.10 of 2021 on improving SMKK implementation in the basement construction project of the Great Mosque of Serang City, to identify hazards that can cause accidents in the construction work, and to determine control action plans to reduce the risk level of accidents in the Serang City Grand Mosque basement construction work. The conclusion is that PUPR Ministerial Regulation No. 10 of 2021 concerning SMKK has a significant impact. This regulation emphasizes the importance of work safety in construction projects, including the Serang City Grand Mosque basement construction. By using the Hazard Identification, Risk Assessment, Risk Control Determination, and Opportunity (IBPRP) method, potential hazards can be identified for each type of work. The identification of work risks assessed with low risk level is 23 types of work (32.41%), medium risk level is 39 types of work (54.92%), and high risk level is 9 types of work (12.67%) from a total of 71 work risks. From the analysis of risk control identification using the IBPRP table, one high-risk level work was selected, namely the first floor structure work with the sub-work of formwork dismantling and risk identification of scaffolding collapse. The risk controls identified are using support pipes to strengthen the scaffolding and installing 2-layer railings on the scaffolding, conducting toolbox meetings, safety induction, job training, and ensuring the scaffolding is safe to use, and using PPE (safety shoes, safety helmet, vest, long-sleeved work clothes, gloves, and full body harness).
Flood Analysis of the Kedung Ingas River and Pabean River the Cilegon City Waita, Stanley Reynaldi Frits Sirway; Priyambodho, Bambang Adhi; Purnaditya, Ngakan Putu; Fathonah, Woelandari; Subekti, Subekti; Nabila, Firyaal
Jurnal Fondasi Vol 14, No 1 (2025)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v14i1.32284

Abstract

The Kedung Ingas River and Pabean River the Cilegon City often flood every year. It has an impact on losses and disruptions to public facilities and settlements such as highways, Cilegon Regional Hospital, Metro housing and residential areas located close to the river. The purpose of this study is to determine the amount of design discharge at 10, 25 and 50 years return period. The methods used to calculate the design flood discharge are Rational, Der Weduwen, and HSS Nakayasu. Based on the results of the study, the design flood discharge of the Kedung Ingas River and the Pabean River with Q10 = 121.25 m3/s, Q25 = 131.01 m3/s, and Q50 = 138.79 m3/s. The design flood discharge value used is the calculation value using the selected method, namely Nakayasu Synthetic Unit Hydrograph.
Evaluation of Road Performance and Need for Crossing Facilities in the PT Nikomas Gemilang Area Budiman, Arief; Intari, Dwi Esti; Suzanti, Wiwien; Faishal, Achmad
Jurnal Fondasi Vol 14, No 1 (2025)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v14i1.32286

Abstract

PT Nikomas Gemilang area is a highly active zone. Besides being an industrial area with heavy traffic, the location has market activities with many pedestrians crossing the road, causing traffic disruptions. This research discusses the performance of a road in providing service to the traffic flow occurring on the road, analyzes the problems that hinder traffic on a section of the road, and seeks solutions to the traffic hindrances. This research aims to determine the level of service (LOS) of the road and the type of pedestrian crossing facility needs. The research uses the PKJI 2023 reference standards and the Bina Marga Guidelines of the Minister of Public Works Regulation (Permen PU) No: 02/SE/M/2018. The results of this study obtained the performance of the segment on Jalan Raya Serang, in front of the PT Nikomas Gemilang area, Kibin District, where the saturation degree on Side A was 0,70, and on Side B was 0,69 with a level of service (LOS) of C. Therefore, a future road performance estimation was conducted. The road performance feasibility for the next 2 years (2026) was obtained with an estimated saturation degree on both sides of the road of 0,82 (approaching critical). Then, the need for a type of crossing facility on Jalan Raya Serang was determined with a road type of 4/2-TT and a P value of 596 people/hour, V value of 9554 vehicles/hour, and a PV2 value of 5,44×1010, leading to the conclusion that the type of crossing facility needed is a pelican cross.
Seismic Response Analysis of Plus-Shaped Building with Various Re-Entrant Corner Ratios Using Time History Approach Ruhma, Devi Yusufi; Nindyawati, Nindyawati
Jurnal Fondasi Vol 14, No 1 (2025)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v14i1.30682

Abstract

The construction of high-rise buildings with irregular geometry has now become common due to land limitations and development demands. However, during an earthquake, irregular buildings are more susceptible to structural damage compared to regular buildings. Therefore, this article presents information related to the behavior of 13-story, plus-shaped buildings to seismic forces from the recorded accelerations of the Chuetsu-oki, Chi-Chi, Kise, and Tokachi-oki earthquakes. This study aims to determine how the variation of the re-entrant corner ratio will affect the behavior of the structure in response to these seismic forces so that the selection of the plus shape in structural planning can be taken into consideration. The method used in the analysis is experimental simulation, starting from data collection to earthquake analysis and structural response. The results show that the re-entrant corner ratio increases the torsion moment against the regular model by a maximum of 67,52% for a ratio of 0,22, by 162,64% for a ratio of 0,44, and by 106,41% for ratios of 0,36 (X-dir.) and 0,58 (Y-dir.). It means that as the re-entrant corner ratio increases, there is an amplification of the torsional moment, which leads to a worse re-entrant corner stress concentration. The shape of motion that occurs also becomes increasingly complex, involving both translational and torsional movements simultaneously. Meanwhile, the base shear value is influenced by the earthquake acceleration and structural response.
Evaluation Of Priority Criteria For Selecting Subcontractors In Highway Construction Projects In Nusantara Capital City (Ikn) Project Alekander, Rengki; Wirjodirdjo, Budisantoso
Jurnal Fondasi Vol 14, No 1 (2025)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v14i1.31016

Abstract

The selection of appropriate subcontractors plays a critical role in the success of construction projects, particularly in strategic infrastructure projects such as Section 6B of the Highway Construction Project in Nusantara Capital City. This project experienced delays and cost deviations of 4.43% due to subcontractor selection based solely on two common criteria—experience and lowest price—while neglecting additional important criteria such as technical qualifications and managerial capabilities, which could mitigate project risks. This study aims to identify and analyze subcontractor selection criteria to enhance project success and reduce delays and cost overruns based on the experience and assessments of stakeholders. Previous research indicates that commonly used methods have not sufficiently addressed issues of delays and cost deviations. Therefore, this study explores more effective methods, employing the Delphi, DEMATEL, and ANP methodologies. The Delphi method, through three survey rounds, identified seven criteria and sub-criteria. DEMATEL was then applied to assess relationships among these criteria, identifying dominant causal or effect factors. Finally, the ANP method determined priority criteria and sub-criteria. The results revealed that Price held the highest priority weight (23%), followed by Quality (21%), Technical (18%), Delivery (13%), Organization (8%), and Internal (6.5%). Among sub-criteria, Bid Price had the highest weight (16%), followed by Standard Quality (8%) and others with similar significance
Reinforcement Design of Transfer Beams in a three-Story Residential Building Usnawa, Hamid Wafiq; Soelarso, Soelarso; Baehaki, Baehaki; Darwis, Zulmahdi; Rahma, Midia
Jurnal Fondasi Vol 14, No 1 (2025)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v14i1.32287

Abstract

Residential buildings are buildings that are used as residences, for example, houses. In residential buildings that carry modern aesthetics will make the shape of the plan tend to be irregular, so it is necessary to adjust structural elements such as slender columns and transfer columns. A transfer column is a column that rests on a beam (grows across the beam), so the column is not continuous from the bottom floor to the top, while the beam is called a transfer beam. Transfer beams allow load distribution from the upper floors to the structural elements below. This study was conducted to determine the reinforcement requirements of transfer beams in a three-story residential building in accordance with SNI 2847: 2019. Structural analysis was carried out with the ETABS v9.7.1 program and manual calculations to determine the reinforcement configuration of the transfer beam. The result of the research is that the transfer beam with dimensions of 350 mm x 650 mm has a reinforcement configuration, namely 4D19 tensile and 6D19 compressive reinforcement in the support area, and 12D19 tensile and 6D19 compressive reinforcement in the field area, for stirrup reinforcement used 3D12 - 100 mm and for torsion reinforcement used 2D16. As for the deflection that occurs, which is 7,782 mm, this value is still within the permit limit according to SNI 2847: 2019. It can be concluded that the transfer beam is safe to use.
Evaluation of Urban Road Stability Through the Integration of the Surface Distress Index and International Roughness Index Oktopianto, Yogi; Antonius, Antonius; Rochim, Abdul
Jurnal Fondasi Vol 14, No 1 (2025)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v14i1.30893

Abstract

In an effort to improve the quality of transportation infrastructure, road maintenance requires an evaluation of road conditions. The Surface Distress Index (SDI) and the International Roughness Index (IRI) are two primary classical indicators used to assess road conditions. Although both are utilized independently, the relationship between them has not been widely studied. This research aims to analyze the correlation between the Surface Distress Index (SDI) and the International Roughness Index (IRI), particularly in the context of road maintenance, and to evaluate the effectiveness of integrating both indices in urban road maintenance planning. This study was conducted using a correlation method and approach, involving field data collection along urban road segments. The SDI and IRI were measured using standard measurement devices provided by Bina Marga, and the correlation patterns between the two were analyzed statistically. The findings reveal that SDI is significantly correlated with IRI, indicating that as surface distress (SDI) increases, it directly leads to an increase in road surface roughness (IRI). The results also indicate that combining the two indices can improve the accuracy of road condition assessments. The quadratic model was identified as the most optimal for describing the relationship between SDI and IRI, with a model performance explaining 79% of the variation in IRI.

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