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Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan
Published by Universitas Swadaya Gunung Jati
ISSN : 28283759     EISSN : 2828156X     DOI : http://dx.doi.org/10.33603/jki.v11i1
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Transportation
Jurnal Konstruksi dan Infrastruktur (JKI) merupakan kelanjutan dari Jurnal Konstruksi yang diterbitkan oleh Program Studi Teknik Sipil Fakultas Teknik Universitas Swadaya Gunung Djati Cirebon, Indonesia dengan p-issn 2085-8744. Tujuan penerbitan Jurnal Konstruksi dan Infrastruktur (JKI) adalah: (1) untuk menjadi wadah publikasi artikel ilmiah nasional di bidang teknik sipil serta (2) menerbitkan dan menyebarluaskan hasil penelitian civitas akademika di bidang teknik sipil ke level nasional. Jurnal Konstruksi dan Infrastruktur (JKI) mengakomodasi pemaparan informasi ilmiah dalam bentuk artikel penelitian, artikel teknis, artikel konseptual, ataupun artikel laporan studi kasus yang sesuai dengan fokus dan ruang lingkup Jurnal ini. Jurnal Konstruksi dan Infrastruktur (JKI) menerbitkan dua edisi per-tahun pada bulan April dan Oktober. Jurnal Konstruksi dan Infrastruktur (JKI) memuat artikel terkait: ilmu rekayasa struktur dan material, ilmu pondasi dan tanah pendukung, ilmu rekayasa hydro dan bangunan air, ilmu rekayasa transportasi dan perancangan jalan, ilmu manajemen konstruksi, serta ilmu pengukuran dan pemetaan.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 232 Documents
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ANALISIS KINERJA SIMPANG EMPAT BERSINYAL PEREMPATAN PASAR MAYONG JEPARA MENGGUNAKAN METODE MKJI 1997 DAN WEBSTER Umam, Khotibul; Ahmad , Arrisal Khoirudin; Saputro, ST., MT., Yayan Adi; Qomaruddin, Mochammad; Faqih, Nasyiin
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 12 No 1 (2024): Jurnal Konstruksi dan Infrastruktur Vol 12 No.1 : April 2024
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v12i1.9109

Abstract

Congestion is caused by the increasing number of vehicles, however. Not matched by the increase in supporting transportation facilities. Jepara Regency is located in the province of Central Java, with an area of 1,004 km2. At Simpang Empat Mayong around the intersection there are shopping areas and educational institutions, this factor causes the high number of passing vehicles. In this study, researchers used the 1997 MKJI method and the Webster method. The peak flow occurs on Tuesday at 15.30-16.30 with vehicles 2920.5 pcu/hour. Side resistance on each approach is low. Jalan Mayong-Welahan peak traffic flow was 349.6 pcu/hour, Jalan Jepara-Kudus (B) was 811.1 pcu/hour, Jalan Mayong-Pancur was 301.7 pcu/hour and Jepara-Kudus (D) was 1133.5 pcu/hour. Degree of saturation on Mayong-Welahan road 1.28 pcu/hour and 82 seconds delay, Jepara-Kudus (B) road 1.30 pcu/hour 120 second delay, Mayong-Pancur road 1.29 pcu/hours with 98 second delay and Jepara-Kudus (D) degree of vehicle saturation is 1.29 pcu/hour with a delay of 98 seconds. The level of service is jammed. increase that was initially Stalled (E). MKJI method signal time andWebster 120 seconds, green time for Jalan Mayong-Welahan MKJI 17 seconds, Webster 14 seconds, Jalan Jepara-Kudus (B) MKJI andWebster 35 seconds, Jalan Mayong-Pancur MKJI 14, Webster 12, Jalan Jepara-Kudus (D) MKJI 38 and Webster 41 sec. Keyword: intersection, traffic, MKJI, Webster  
ANALISIS DAMPAK LALU LINTAS DI PASAR TRADISIONAL BINTORO DEMAK DI JALAN SULTAN FATAH DEMAK Widyiati, Khofifah Ayu Retno; Saputro, ST., MT., Yayan Adi; Hidayati, Nor; Roehman, Fatchur
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 12 No 1 (2024): Jurnal Konstruksi dan Infrastruktur Vol 12 No.1 : April 2024
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v12i1.9112

Abstract

Demak City is a leading city center which is currently experiencing comprehensive development in all sectors. The increasing traffic volume on Jalan Sultan Fatah in front of Bintoro Demak Market, Demak District, Demak Regency, Central Java, is thought to be caused by busy market activity in the surrounding area. To determine the road's ability to fulfill its function, research was conducted to determine the area of side obstacles along Jl. Sultan Fatah. This research aims to assess the capacity and level of road saturation on Jl. Sultan Fatah. This research uses primary data, namely data collected directly from the field through administering questionnaires. The duration of the survey lasts for six consecutive days, namely Monday to Saturday, starting on July 24 and ending on July 29 2023. At the post-location survey and data management data collection stage, the data undergoes processing. to ascertain some road characteristics. These characteristics include traffic volume, road capacity, traffic flow speed, degree of saturation, side obstacle class, and instantaneous speed. The degree of saturation is set at 0.54 which indicates compliance with the specified threshold of 0.75. Keyword: Traffic Volume, Roads, Parking, Congestion, Markets.
ANALISIS MANAJEMEN KONTRUKSI PROYEK PEMBANGUNAN GEDUNG PASCASARJANA UNIVERSITAS PENDIDIKAN INDONESIA (UPI) BANDUNG Gunawan, Andi; Farhan, Ohan; Rohman, Fathur
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 12 No 1 (2024): Jurnal Konstruksi dan Infrastruktur Vol 12 No.1 : April 2024
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v12i1.9115

Abstract

Construction management is an effort to use limited resources efficiently, effectively and on time in completing a predetermined / planned project. There are 3 activities from the basic functions of project management, namely planning, implementing and controlling. Of the three activities, control is carried out on resources in a project which includes manpower, equipment (machine), materials (material), money (money) and methods (methods). The research aims to analyze the construction management of the construction project of the postgraduate building of the Indonesian University of Education (UPI) Bandung, planning the cost budget and scheduling using the Barchart, S Curve and Critical Path Method (CPM) methods. The results of this study show that the Budget Plan (RAB) obtained for the Postgraduate Building Construction Project of the University of Education of Indosesia (UPI) Bandung amounted to Rp 45,416,418,967, then the results of scheduling using barcharts and the S curve that this project took 32 weeks to complete the structural work, while the results of the Critical Path Method (CPM) analysis to complete this project took 224 days. Keyword: Construction Management, Cost Budget Plan, S Curve, Critical Path Method.
Penggunaan Battom Ash sebagai Substitusi Agregat Halus Terhadap Kuat Tekan Beton dengan Mutu K-175 Wahyuni, Dian; Harsusani, Harsusani; Kamil, Firmanilah
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 12 No 2 (2024): Jurnal Konstruksi dan Infrastruktur Vol 12 No.2 : Oktober 2024
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v12i2.9844

Abstract

This study was conducted to evaluate the potential of bottom ash as a fine aggregate substitute in K-175 concrete and determine the optimum percentage that produces the best compressive strength. Mining of sand as fine aggregate for concrete has caused environmental damage, so an alternative material that is more environmentally friendly is needed. Bottom ash, a solid waste from coal combustion in PLTU, has physical and chemical characteristics that support its use in concrete mixtures. This study used variations of bottom ash substitution of 5%, 12.5%, and 17.5% of the total weight of fine aggregate. Compressive strength tests were conducted at 7, 14, and 28 days of concrete age. The results showed that 5% bottom ash substitution produced the most optimal concrete compressive strength, equivalent to normal concrete at an estimated age of 28 days at 186.86 kg/cm². Meanwhile, 12.5% and 17.5% substitution showed a significant decrease in compressive strength compared to normal concrete. The physical characteristics of bottom ash, such as higher content weight and coarse texture, contribute positively to mechanical bonding in concrete. However, the high silt content of bottom ash requires further treatment to improve its quality. This research is in line with previous studies supporting the utilization of industrial waste in concrete construction, but provides a new focus on K-175 grade concrete for lightweight construction applications. In conclusion, bottom ash can be used as an alternative fine aggregate in concrete, with an optimal substitution of 5%. The utilization of bottom ash not only supports environmental sustainability, but also offers an innovative solution for industrial waste management in construction. Keyword: bottom ash, fine aggregate, industrial waste.
Pengaruh Penambahan Sabut Kelapa Terhadap Agregat Pada Kuat Tekan Beton K-175 Siregar, Riska Febriana; Harsusani, Harsusani; Kamil, Firmanilah
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 12 No 2 (2024): Jurnal Konstruksi dan Infrastruktur Vol 12 No.2 : Oktober 2024
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v12i2.9848

Abstract

The use of organic waste as a substitute material in concrete mixtures is one of the efforts to reduce environmental impacts and optimize the utilization of existing natural resources. Coconut fiber, as one of the abundant agricultural wastes, has the potential to be used as an aggregate substitute in concrete. This study aims to analyze the effect of coconut fiber addition on the compressive strength of K-175 grade concrete. Coconut fiber was used as a partial replacement for coarse aggregate with variations of 0%, 0.3%, 0.5%, and 0.8%. Concrete was tested at 7, 14, and 28 days to measure the compressive strength produced at each test age. The results showed that the control concrete (without coconut fiber) produced the highest compressive strength at all test ages. The addition of coir caused a decrease in compressive strength, especially at 7 days, which was due to the interaction between coir and cement matrix which was not optimal at the initial stage of hydration. However, at 28 days, the concrete with coir addition showed an increase in compressive strength although it was not significant compared to the control concrete. The optimum level of coir that does not significantly reduce the concrete quality is about 0.3%. Despite the reduction in compressive strength, the concrete produced at this level still meets the strength standards required for lightweight concrete applications or concrete with medium strength specifications. This study suggests that coir can be considered as an alternative aggregate replacement material in the production of environmentally friendly concrete, with appropriate proportion adjustments to optimize concrete performance. Keyword: aggregate, coconut fiber, concrete compressive strength, eco-friendly concrete, K-175 concrete.
Penilaian Fasilitas Pejalan Kaki Berdasarkan Persepsi Pengguna dan Pedestrian Level of Service (PLOS) Hariani, Mira Lestira; Mahardiani, Gita
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 12 No 2 (2024): Jurnal Konstruksi dan Infrastruktur Vol 12 No.2 : Oktober 2024
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v12i2.9931

Abstract

Pedestrian facilities are a crucial element in sustainable urban planning to enhance safety, comfort, and accessibility for road users. This study aims to evaluate the quality of pedestrian facilities in the Perjuangan Street corridor, Cirebon City, which is designated as an educational area, using the Customer Satisfaction Index (CSI) and Pedestrian Level of Service (PLOS) approaches. The methods employed include pedestrian surveys, user satisfaction questionnaires, and an analysis of sidewalk geometric conditions based on the 2017 technical planning guidelines. The results indicate that pedestrian satisfaction with the available facilities falls within the "very satisfied" category, with a CSI score of 90.83. Based on the PLOS analysis, the Perjuangan Street corridor is classified as grade A, meaning pedestrians can move freely without significant obstacles. However, the geometric analysis reveals that although the sidewalk width meets the standards, the surface condition is deteriorating, and there is a lack of facilities for persons with disabilities. Therefore, this study recommends improvements such as enhancing the quality of sidewalk surfaces, providing dedicated lanes for people with disabilities, adding green spaces and drainage systems, and upgrading supporting facilities such as seating, lighting, and pedestrian signs to improve user safety and comfort. Keyword: pedestrian facilities, satisfaction level, Pedestrian Level of Service, Customer Satisfaction Index, infrastructure evaluation.
Pemodelan Banjir di Wilayah Pedesaan Kabupaten Cirebon dengan Menggunakan HEC-RAS dan ArcGIS Farhan, Ohan; Hariani, Mira Lestira; Priyono, Cecep
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 12 No 2 (2024): Jurnal Konstruksi dan Infrastruktur Vol 12 No.2 : Oktober 2024
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v12i2.9933

Abstract

Flood modeling is crucial as part of disaster mitigation efforts in a region. This study aims to determine the extent and depth of flood inundation using ArcGIS 10.8 and analyze flood modeling using HEC-RAS 6.3.1 to predict potential flooding in rural areas of Cirebon District. Rainfall analysis was conducted using the Thiessen Polygon method based on ten years of maximum rainfall data, while flood analysis was carried out using the Nakayasu Synthetic Unit Hydrograph (HSS) method. The study results indicate that rice fields were the most affected area, covering approximately 45.95 hectares with an inundation depth ranging from 1 to 2 meters. To mitigate flood impacts, an increase in embankment height by 1.5 meters is recommended at several critical points. Keywords : Flood mitigation, Flood Modelling, HEC-RAS, ArcGIS, HSS Nakayasu
Kalibrasi Faktor Keamanan Global Pada Balok Beton Bertulang Eksisting Hasyim, Wachid
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 13 No 1 (2025): Jurnal Konstruksi dan Infrastruktur Vol 13 No.1 : April 2025
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v13i1.9938

Abstract

In building construction, the safety and reliability of structural components ensure the overall safety of the building. The safety factor in building structures is demonstrated by the ability of a structure to withstand the loads acting upon it, where the building's safety factor can be measured using the concept of the global safety factor of the structure. This research aims to determine the magnitude of the safety factor and the design flexural resistance value of reinforced concrete beams according to the Global Safety Factor (GSF) concept. The resistance value obtained by calculating the global safety factor can serve as a reference in the design of beam structural components. The method used involves numerical analysis with a structural reliability analysis approach to obtain the resistance factor (γ) with the level of explanation in the research presentation being descriptive-numerical. Based on the analysis results, the global safety factor value obtained becomes a parameter influencing the design strength of the beam's resistance in terms of flexural strength. From the analysis results, the reliability index (β) was found to range between 7.80 and 8.30. Furthermore, the calculated safety factor (γR) was found to be in the range of 2.40 to 2.53. Additionally, the nominal resistance (Rm) and the global design resistance (Rd) of the beam were found to be 780.50 kNm and 325.21 kNm, respectively, indicating that the beam has been adequately designed to withstand bending moments under service conditions. Keywords: Global Safety Factor (γ), Global Design Resistance (Rd), Reliability Index (β).
Analisis dan Strategi Mitigasi Risiko Dalam Implementasi Proyek Konstruksi Hijau Peginusa, Stefani Switly
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 13 No 1 (2025): Jurnal Konstruksi dan Infrastruktur Vol 13 No.1 : April 2025
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v13i1.9982

Abstract

Construction projects that start from the implementation stage to the operational stage cannot be separated from the use of increasingly limited natural resources. Seeing the impacts that will be caused, a construction project needs to be managed so that there is no more severe environmental damage. Green construction is a holistic process from planning to the operation of a construction project whose management is based on contract documents, with the aim of minimizing the negative impacts of the construction process. The development of green construction implementation is also inseparable from project risks in the implementation of its construction. Therefore, this study aims to analyze the risks in the implementation stage of the green construction project and determine its mitigation strategy. This study was conducted using the Delphi method and to determine the risk hierarchy using the pair wise comparison method, then for the mitigation strategy using SWOT analysis. The results of this study found 27 types of risks in the implementation stage of the green construction project which were divided into 3 levels. Where the root of the risk is the unclear contract provisions for claims and litigation. Therefore, a mitigation strategy was prepared, namely compiling a clearer and more comprehensive contract, the contract provisions include clear clauses on the management of claims and disputes, and establishing a more structured settlement mechanism to avoid litigation. Keyword: green construction, mitigation, risk, swot.  
Pemanfaatan Limbah Botol HDPE Sebagai Bahan Tambah Untuk Beton K-175 Nasfadilla, Yolanda; Iswandi, Agung; Kamil, Firmanilah
Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Vol 13 No 1 (2025): Jurnal Konstruksi dan Infrastruktur Vol 13 No.1 : April 2025
Publisher : Civil Engineering Department, Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jki.v13i1.9987

Abstract

Plastic waste, especially HDPE, has a very long decomposition time and has the potential to pollute the environment. Therefore, this study aims to determine the effect and most optimal variation of the addition of plastic bottle waste on the compressive strength of K-175 quality concrete. The experimental method was used by testing materials and compressive strength of concrete at the Ketapang State Polytechnic Laboratory from May to August 2024. The test results showed that the average compressive strength of normal concrete based on conversion to 28-day age reached 176.37 kg/cm², while the compressive strength of concrete with HDPE variations decreased with values ranging from 124.95 kg/cm² to 152.60 kg/cm². Of the various variations tested, the mixture with 0.75% HDPE showed the best compressive strength results compared to other variations, with an average compressive strength based on conversion to 28 days of age of 152.60 kg/cm². Keyword: concrete compressive strength, HDPE plastic bottle waste, waste utilization

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