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Jurnal Rekayasa Infrastruktur Hexagon
Published by Universitas Muhammadiyah Jember
ISSN : 25282379     EISSN : 25408135     DOI : https://doi.org/10.32528/hexagon
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering
Jurnal Rekayasa Infrastruktur Hexagon yang terbit sejak tahun 2016 dimulai secara offline dan daring, dengan frekuensi 2 (dua) kali dalam setahun, pada bulan Juni dan Desember. Jurnal Rekayasa Infrastruktur Hexagonadalah jurnal ilmiah yang diterbitkan secara on-line dan menerbitkan artikel atau makalah penelitian di bidang teknik sipil yang berisi artikel tentang perencanaan, pelaksanaan dan evaluasi bangunan sipil.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 7 Documents
 1 
Search results for , issue "Vol 8 No 2 (2023): HEXAGON" : 7 Documents clear
Analisis Kondisi Existing Jalan Rel Blitar – Malang Berdasarkan Nilai Track Quality Index: Analysis of the Existing Condition of the Blitar – Malang Railway Based on the Track Quality Index Santoso, Toni Budi; Al Zakina, Bella Lutfiani; Ikhwan, Mohammad Zainul
Jurnal Rekayasa Infrastruktur HEXAGON Vol 8 No 2 (2023): HEXAGON
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/hexagon.v8i2.1058

Abstract

The value or output in the form of a number from the measurement results of the measuring train which can provide information on the quality of the railroad track that is passed on a railroad segment is called the Track Quality Index (TQI). The TQI value is obtained from the sum of 4 measurement parameters, namely track width, lift, power and height. The higher the TQI value indicates the higher the level of rail damage. Several train accident investigation reports, especially derailments, were influenced by poor TQI values. The government has limitations in obtaining TQI values ​​due to the limited number of measuring trains it has and operations are periodic. Therefore, alternatives are needed to predict TQI values ​​other than measuring train operating data. The method used to solve this problem is direct measurement with a measuring train for a track width of 1067 mm. Then an analytical calculation is carried out to find the average deviation, variance and standard deviation. The calculation results show an average deviation of 93.78 and an average standard deviation of 37.81. Based on the provisions for grouping TQI values, a high TQI value is taken, namely the average deviation with track conditions is at a value of 4. Taking a higher number is indicated for the safety of railway operations, the higher the worse the condition of the railway, so high frequency maintenance of the railway is required.
OPTIMASI ALAT BERAT EXCAVATOR PADA REHABILITASI SALURAN IRIGASI PRIMER UTAMA BLOK A KAPUAS: dwi kuryanto, totok; Galuh, Senki Desta
Jurnal Rekayasa Infrastruktur HEXAGON Vol 8 No 2 (2023): HEXAGON
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/hexagon.v8i2.1059

Abstract

Construction equipment, particularly the expertise of heavy equipment mechanics, plays a pivotal role in the implementation of construction projects. Beyond simply reducing the required labor force, mechanical heavy equipment also ensures a more expeditious completion of tasks. When choosing heavy equipment, it is imperative to align it with the specific requirements of the construction work, considering the equipment's efficiency. The refurbishment of the food estate irrigation network situated in Dadhub subdistrict, Kuala Kapuas district, constitutes a construction undertaking that necessitates the use of heavy equipment. Consequently, effective management of time and costs associated with utilizing heavy equipment is crucial for this activity. The objective of this research is to scrutinize the optimal combination of heavy equipment concerning the execution time for excavation and landfill tasks, aiming to mitigate losses incurred due to project delays. The research methodology employed involves the calculation of production capacity and time efficiency for each heavy equipment type. The analysis results reveal a cycle time coefficient of 0.6, an hourly productivity of 28.26 m3, and a daily productivity of 226.08 m3. If heavy equipment is utilized, the results indicate the capability to accomplish the excavation of 148,200 m3 within 655.46 days. By incorporating three additional tools, bringing the total to four tools, the excavation work can be finalized in 163.88 days under prevailing conditions.  
Identifikasi Jenis Tanah Wilayah Dekat Pantai Puger Menggunakan Bagan Klasifikasi Tanah Robertson 1990.: Identifikasi Jenis Tanah Wilayah Dekat Pantai Puger Menggunakan Bagan Klasifikasi Tanah Robertson 1990. Arief Alihudien; Priyono, Pujo
Jurnal Rekayasa Infrastruktur HEXAGON Vol 8 No 2 (2023): HEXAGON
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/hexagon.v8i2.1083

Abstract

To obtain information on soil characteristics and behavior to the foundation structure can be started by knowing the type of soil. Identifying the soil type depends on the sampling technique.  It is easy if the sampling uses bore hole test, because the sample can be taken to the laboratory and then tested using a hydrometer and mechanical sieve to obtain the soil type. hydrometer and mechanical sieve to get the soil type. When using the CPT test, we generally do not get samples that can be tested in the laboratory. in the laboratory.  Robertson 1986 has created a soil classification system based on the CPT test, based on the values of conus resistance qc and friction ratio fr.  In this article this article, the results of the identification of common soil types in the area of near the coast of Puger Jember, in order to predict its soil behavior.  The method used is by conducting CPT test for 13 points in the area. Based on the results CPT data processing, it can be seen geologically that the soil in the Puger sub-district area, especially the coastal area, on average is a sandy soil with the characteristics of silt. with the characteristics of sandy silt to sand. With this type of soil, it can be illustrated that there is potential for liquefaction in the area. in the area.
Analisis Jaringan Irigasi pada Daerah Irigasi Waduk Tenggor Desa Tenggor Kecamatan Balongpanggang Gresik: Analysis of Irrigation Network in the Tenggor Reservoir Irrigation Area, Tenggor Village, Balongpanggang Subdistrict, Gresik Yuli Hariyanti; Dewi Nusantara, Danayanti Azmi
Jurnal Rekayasa Infrastruktur HEXAGON Vol 8 No 2 (2023): HEXAGON
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/hexagon.v8i2.1104

Abstract

The irrigation system at Tenggor Reservoir in Tenggor Village, Balongpanggang, Gresik cannot be used to irrigate rice crops. Water volume frequently decreases and is not used to its fullest potential. Therefore, in order to correctly manage water resource management, it is required to analyze the irrigation network in an attempt to restore the irrigation network's functionality. The FJ Mock method for calculating the mainstay discharge gave the highest 80% value of 1,597 m3/s with the greatest discharge requirement of 1,456 m3/s. The overall reservoir capacity was calculated using reservoir storage. The reservoir's overall storage capacity was found to be 219345 m3, as well as its effective capacity of 186443 m3 and its dead capacity of 32902 m3. The NFR of Tenggor Irrigation Area with the paddy's planting pattern is 1.083 lt/dt/ha. The total capacity needed for irrigate is 287067 m3 whereas the availability of an effective capacity is 186443 m3. So, with the availability of 70% of the effective capacity, it can supply the irrigation areas of 860 ha with twice of planting patterns. The study's findings include five different channel dimensions with various water levels. Type 1 for tertiary channels with B and H dimensions of 0.50 meters each. For secondary channels with various B sizes in order, type 2, type 3, and type 4: B = 0.50, 0.70, 0.80, and the same H sizes are 1.00 meters, respectively. Type 5 with B = 1.30 m and H = 1.50 m for the main channel.
Analisis Kuat Tekan dan Fleksibel Beton Serat Polyamide/Nylon dengan Campuran Serbuk Kaca Menggunakan Curing Air Laut : Compressive Strength and Flexible Strength Analysis of Polyamide/Nylon Fiber Concrete Mixed with Glass Powder Using Seawater Curing Manurung, Melki Ridwan; Hutabarat, Lolom Evalita; Setiyadi
Jurnal Rekayasa Infrastruktur HEXAGON Vol 8 No 2 (2023): HEXAGON
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/hexagon.v8i2.1191

Abstract

In tropical countries surrounded by water, coastal development initiatives are unavoidable. Because chloride compounds (Cl) in seawater are corrosive to concrete and interact directly with seawater, using concrete in coastal locations requires careful consideration—adding pozzolan-like glass powder to concrete results in minimal water absorption. Nylon fiber, on the other hand, is abrasion-resistant and can boost the flexural strength of concrete. In line with SNI 7656-2012, this study used fresh and sea water to maintain test specimens 15 cm wide, 15 cm long, and 60 cm high with a design f'c strength of 25 MPa at 14 and 28 days. The compressive strength increased by 27.9 MPa, and the flexural strength increased by 29.2 MPa after 14 days and 28 days of drying in clean water with 1% fiber variation, respectively. In seawater, the compressive strength at 14 days is 26.5 MPa, the flexural strength at 28 days is 28.8 MPa, and the flexural strength at 28 days is 2,773 MPa and 3,312 MPa. Concrete cured with sea water is lower than concrete treated with fresh water. On the other hand, adding polyamide/nylon to concrete containing glass powder can reduce compressive strength loss by up to 4%.
ANALISIS DATA KUAT TEKAN BETON TERHADAP BENTUK SAMPEL DAN MEREK SEMEN MENGGUNAKAN METODE TWO-WAYS ANNOVA: Analysis Concrete Compressive Strength Data Sample Shape and Cement Brand Using The Two-Ways Annova Method Gunasti, Amri; Nafila, Zakya; Rifta, Azzah Iftina; F.P., Ahmad Iqbal
Jurnal Rekayasa Infrastruktur HEXAGON Vol 8 No 2 (2023): HEXAGON
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/hexagon.v8i2.1260

Abstract

Infrastructure development in Indonesia has undergone significant changes in construction materials, including concrete. This study aims to analyze the influence of sample shape and cement brand on the compressive strength of concrete. The analysis utilizes a factorial experimental design approach, with two factors: sample shape (cylinder and cube) and cement brand (Gresik, Tiga Roda, Holcim, and Merah Putih) as fixed factors. The total number of samples used is 30. Concrete compressive strength data were collected at the Muhammadiyah University Jember Laboratory, with samples immersed for 28 days. The data were analyzed using the two-way ANOVA method with SPSS software. The results of the analysis show no significant difference in the influence of sample shape on concrete compressive strength (Sig. 0.397 > 0.05). However, for the cement brand factor, there is a significant difference (Sig. 0.000 < 0.05). Statistically, there is no interaction between sample shape and cement brand on concrete compressive strength (Sig. 0.570 > 0.05). The practical application of this testing and methodology in the field of Civil Engineering, particularly in concrete technology, allows for the selection of the optimal sample shape between cubes and cylinders and the determination of high-quality cement brands for infrastructure projects.
STUDI PERMODELAN RUMAH ACEH DENGAN PEMAKAIAN BAJA RINGAN SEBAGAI ALTERNATIF BAHAN KONSTRUKSI: Aceh House Modeling Study Using Light Steel as An Alternative Construction Material Satria, Andrisman; Rahman, Aulia
Jurnal Rekayasa Infrastruktur HEXAGON Vol 8 No 2 (2023): HEXAGON
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/hexagon.v8i2.1317

Abstract

The traditional Acehnese house, known as "rumoh Aceh," is a precious cultural heritage that has become an architectural icon of the region. However, their vulnerability to earthquakes and tsunamis has prompted research into the use of alternative construction materials to improve the seismic resistance of Acehnese houses. This study aims to assess the comparison of internal forces occurring in Acehnese houses with mild steel construction as an alternative construction material, using the response spectrum method. The study adopted a quantitative approach and sampled Acehnese houses covering a wide range of types and ages. Data on house characteristics, including design, construction materials, Furthermore, computer models of Aceh houses with mild steel construction and conventional Aceh houses were analysed using the response spectrum method. The results showed that Acehnese houses with C75 mild steel construction showed that the internal forces obtained gave unsafe design results with the single cross-section so that larger dimensional changes to the double cross-section were required. Spectrum response analysis provides a better understanding of how mild steel construction can reduce the risk of earthquake damage. The findings indicate that the use of mild steel as an alternative construction material in Acehnese houses is a viable option to improve earthquake resistance, preserve their cultural heritage, while protecting lives and property.

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