Jurnal Ilmiah Rekayasa Sipil
Jurnal Ilmiah Rekayasa Sipil is intended as a medium for scientific studies of research results, thoughts and critical-analytical studies regarding research in the Field of Civil Engineering Science. As part of the spirit of disseminating knowledge resulting from research and thinking for wider community service and as a reference source for academics in the field of Civil Engineering. Jurnal Ilmiah Rekayasa Sipil accepts scientific articles with the scope of research on: Structural Engineering Construction Materials Geotechnical Engineering Environmental Engineering Water Resources Engineering Transportation Planning and Management Road Design and Pavement Bridge Structure Construction Management Earthquake and Tsunami Other relevant study topics With articles that have primary citations and have never been published online or in print before.
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<![CDATA[Revolusi Pembangunan Kota: Dampak Aplikasi SIMBG Terhadap Kepuasan Pemohon Izin Bangunan Gedung ]]>
<![CDATA[Pulungan, Datuk Tua]]>;
<![CDATA[Khadavi, Khadavi]]>;
<![CDATA[Peli, Martalius]]>
<![CDATA[ Jurnal Ilmiah Rekayasa Sipil Vol 22 No 1 (2025): April 2025 ]]>
Publisher : <![CDATA[Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang ]]>
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DOI: 10.30630/jirs.v22i1.1353
<![CDATA[Building Construction Management is the implementation of laws and government regulations that signal to the entire community wishing to apply for building permits. Thus, the manual system that has been in place is replaced by a digital system through the SIMBG application in order to provide efficiency and satisfaction to the community in applying for building permits. This study aims to determine the influence of service quality on the satisfaction of Building Permit Applicants (PBG) on the Building Management Information System (SIMBG) application, and the usefulness of the SIMBG application with the satisfaction of PBG applicants implemented in Padangsidimpuan City. The research used a quantitative method where the research variables included service quality, usefulness, and satisfaction of PBG applicants towards SIMBG. The population and sample of the study were selected using accidental sampling method, with a total sample of 99 respondents. Data analysis method used Structural Equation Modeling (SEM) with SmartPLS 4.0 application. The results showed that the service quality of SIMBG has a significant influence on the satisfaction of PBG applicants and there is a positive influence between the usefulness of the SIMBG application and the satisfaction of PBG applicants. Several steps are needed: firstly, it is necessary to improve the quality of SIMBG services by improving system reliability, application responsiveness, and service politeness. Second, intensive socialization and education to the public about the existence and benefits of the SIMBG application are needed. And third, the management of PBG requirements needs to be simplified by adopting a one-stop approach to facilitate the application process. Finally, continuous evaluation and monitoring are needed to evaluate the implementation and quality of SIMBG services and to address ongoing PBG issues.]]>
<![CDATA[Kinerja Sistem Pengolahan Air Limbah Domestik Terpusat Pada Kabupaten Padang Pariaman ]]>
<![CDATA[Dalfi, Adi]]>;
<![CDATA[Rita, Eva]]>;
<![CDATA[Khadavi, Khadavi]]>
<![CDATA[ Jurnal Ilmiah Rekayasa Sipil Vol 22 No 1 (2025): April 2025 ]]>
Publisher : <![CDATA[Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang ]]>
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DOI: 10.30630/jirs.v22i1.1374
<![CDATA[The national achievement of access to proper sanitation has not yet been achieved and is aligned with the Sustainable Development Goals (SDG's) target, one of which is "Realizing Access to Safe and Sustainable Drinking Water and Sanitation". In terms of accelerating the implementation of sanitation infrastructure in the regions, the Government conducts a financing program for the Construction of Centralized Domestic Wastewater Treatment Systems (SPALD-T). However, there are many obstacles and problems that cause the condition of infrastructure and facilities built to be not in an ideal condition, so it is necessary to analyze the performance of centralized domestic wastewater treatment systems, especially in Padang Pariaman Regency. The analysis was conducted in 11 (eleven) Nagari locations receiving community-based sanitation programs whose funds were sourced from DAK from 2019 to 2023 using descriptive qualitative methods, namely observation, interviews and documentation in the form of scoring and weighting and SWOT analysis. In the 11 Nagari analyzed, there is Nagari Sintuk in Sintuk Toboh Gadang District (program year 2022) which has a good quality assessment with a relative value of 8.25, while other Nagari get moderate and poor assessments. Based on the results of the analysis, the dominant aspect that determines the feasibility of waste management is the institutional management aspect in the 11 (eleven) villages analyzed. Where in the assessment of each aspect, the management institution aspect has a very low average value with a weight of 1.22. And based on the results of the SWOT analysis, the management organization of the Beneficiary Group (KPP) has a very important role in the sustainability of the community-based sanitation program.]]>
<![CDATA[Analisis Geometrik Jalan Raya dengan Pendekatan Bina Marga (Studi Kasus : Jl. Poros Tikungan SP 4, Kelurahan Makbalim, Kilometer 37, Kabupaten Sorong) ]]>
<![CDATA[Setiawan, Ahmad Ardi]]>;
<![CDATA[S, Muh. Rizal]]>;
<![CDATA[Repmi Tamsih, Intan Java Turis]]>
<![CDATA[ Jurnal Ilmiah Rekayasa Sipil Vol 22 No 1 (2025): April 2025 ]]>
Publisher : <![CDATA[Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang ]]>
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DOI: 10.30630/jirs.v22i1.1610
<![CDATA[The purpose of road geometry planning is to produce safe infrastructure and the maximum efficiency of traffic flow services. It can maximize the ratio of the level of use of the implementation cost on the road. The condition of Jalan Poros, Bend SP 4, Sorong Regency is a straight road and there are several steep and sharp bends, so it becomes one of the factors for accidents. Slippery road conditions are also often a factor in accidents for two-wheeled users. The purpose of this study is to analyze and describe the condition of the road geometry and also to evaluate the horizontal curve (bend) on the SP 4 bend axis road section and whether it is appropriate based on the 2020 Bina Marga Guidelines. The research method used is quantitative research. The primary data used in this study are road geometric data, environmental conditions, topographic maps, road width, and curve length. The secondary data are plan speed data, bend coordinate data, and plan drawings. The value of e in calculating the distribution curve coefficient f and e gives a value of 8.75%, while the value of Lc (calculating the length of the transition curve) = 207.07 m. The requirement for the spiral-circle-spiral curve is Lc ≥ 20m so this curve can be designed as a spiral-circle-spiral curve. The SP 4 bend in Sorong Regency has a flat terrain type. Based on calculations, the value of Lc = 206.893 and the value of Ls = 29.76. Both values are more than 20m, so they meet the requirements of a type bend.]]>
<![CDATA[Simulasi Hidrologi dan Hidraulik Banjir di Lembah Anai: Studi Kasus 11 Mei 2024 ]]>
<![CDATA[Syofyan, Elvi Roza]]>;
<![CDATA[Herdianto, Revalin]]>;
<![CDATA[Arlis, Angga Putra]]>;
<![CDATA[Yuwono, Waluyo]]>;
<![CDATA[Thaariq, Ath]]>
<![CDATA[ Jurnal Ilmiah Rekayasa Sipil Vol 22 No 1 (2025): April 2025 ]]>
Publisher : <![CDATA[Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang ]]>
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DOI: 10.30630/jirs.v22i1.1618
<![CDATA[Since early 2023, Mount Marapi has shown its activity, even until 2024 Mount Marapi has erupted 170 times. Until Monday morning, April 29, 2024, at 06.00 WIB, Mount Marapi remains on Alert status (Level III). This indicates that a lot of landslide material due to volcanic eruptions has accumulated around the peak and upper slopes, which at any time can cause rain-induced lava floods. Related to the activities of Mount Marapi, a map of hazard-prone areas has been issued, including rivers that originate from Mount Marapi which are susceptible to rain-induced lava floods. The research was carried out by identifying river network patterns, hydrological characteristics, river morphology, and land use changes. The river network was analyzed using the Digital Elevation Model (DEM) from ASTER GDEM with a resolution of 8 m. Field validation for the river network was carried out using GPS Mapping at the Xakapa location. The hydrological and hydraulic profiles of the watershed were modeled using HEC-geoHMS and HEC-geoRAS to map the relationship between rainfall intensity, river discharge, and water level elevation along the river. From the modeling results, it can be seen that the rainfall intensity that has the potential to cause flooding is 142 mm/hour, using HEC-GeoHMS with a discharge of 1818 m3/second with a rainfall time of 6 hours causing a flood height of 0.81 m at an elevation of 379.9 with a wet cross-sectional area of 471 m2 in Xakapa.]]>
<![CDATA[Pengaruh Penambahan Abu Tempurung Kelapa dan Silika Fume Terhadap Kuat Tekan Beton ]]>
<![CDATA[Saputra, Ian Sugiawan]]>;
<![CDATA[Sulfanita, Andi]]>;
<![CDATA[Misbahuddin, Misbahuddin]]>
<![CDATA[ Jurnal Ilmiah Rekayasa Sipil Vol 22 No 1 (2025): April 2025 ]]>
Publisher : <![CDATA[Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang ]]>
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DOI: 10.30630/jirs.v22i1.1704
<![CDATA[Coconut shell ash and silica fume can enhance the strength and durability of concrete. Coconut shell ash, as an organic waste material, functions as a lightweight aggregate, while silica fume improves the bond between cement and aggregate, thereby increasing the overall durability of the concrete. This study aims to compare the compressive strength results and determine the optimal percentage of coconut shell ash and silica fume in both normal and mixed concrete at 28 days of curing, using an experimental method. The results showed that the compressive strength of normal concrete at 28 days was 26.33 MPa. After the addition of 2% coconut shell ash and 2% silica fume, the compressive strength increased significantly to 31.61 MPa, representing an improvement of 5.28 MPa. However, adding more than 2% coconut shell ash led to a decrease in compressive strength, with the lowest value of 22.36 MPa observed in the mixture containing 10% coconut shell ash and 2% silica fume. The optimal combination was found to be 2% coconut shell ash and 2% silica fume, yielding the highest compressive strength of 31.61 MPa. These findings suggest that organic waste such as coconut shell ash can serve as an environmentally friendly alternative in the construction industry, especially when combined with supplementary materials like silica fume.]]>
<![CDATA[Analisis Kapasitas Saluran Drainase Menggunakan Permodelan SWMM pada Jalan Pembangunan Kota Batam ]]>
<![CDATA[Lurich, Frank]]>;
<![CDATA[Saputra, Ade Jaya]]>;
<![CDATA[Ginting, Jody Martin]]>
<![CDATA[ Jurnal Ilmiah Rekayasa Sipil Vol 22 No 1 (2025): April 2025 ]]>
Publisher : <![CDATA[Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang ]]>
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DOI: 10.30630/jirs.v22i1.1725
<![CDATA[Sistem drainase memiliki peran krusial dalam mengelola air hujan dan mencegah banjir, terutama di kota berkembang seperti Kota Batam. Salah satu wilayah yang rentan terhadap banjir akibat curah hujan dengan intensitas sedang hingga tinggi adalah Jalan Pembangunan, Kecamatan Lubuk Baja, Kota Batam. Permasalahan ini disebabkan oleh kapasitas saluran drainase yang tidak mampu menampung debit air hujan. Penelitian ini bertujuan untuk menganalisis sistem drainase menggunakan perangkat lunak Storm Water Management Model (SWMM) serta mengidentifikasi peluang perbaikan yang dapat diterapkan. Data yang digunakan dalam penelitian ini terdiri dari data primer dan sekunder, dengan curah hujan sebagai parameter utama dalam analisis kinerja sistem drainase. Berdasarkan analisis frekuensi, distribusi log normal digunakan untuk menghitung intensitas hujan. Hasil perhitungan menunjukkan bahwa intensitas hujan di lokasi penelitian mencapai 107,74 mm/jam dengan debit puncak sebesar 48,75 m³/s. Penelitian ini menggunakan periode ulang 2 tahun, karena lokasi penelitian berada di kawasan perkotaan dengan luas daerah aliran mencapai 1,89 km². Hasil simulasi SWMM terhadap kapasitas saluran drainase menunjukkan bahwa saluran drainase eksisting di Jalan Pembangunan tidak mampu menampung debit air hujan dengan intensitas tinggi. Oleh karena itu, diperlukan peningkatan kapasitas saluran drainase serta pemeliharaan yang berkelanjutan guna mengurangi risiko banjir di wilayah tersebut.]]>
<![CDATA[Uji Kuat Tekan Mortar Geopolymer Berbasis Fly Ash dan Kapur ]]>
<![CDATA[Tupail, Fharhan]]>;
<![CDATA[Jasman, Jasman]]>;
<![CDATA[Muis B, Abd]]>
<![CDATA[ Jurnal Ilmiah Rekayasa Sipil Vol 22 No 1 (2025): April 2025 ]]>
Publisher : <![CDATA[Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang ]]>
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DOI: 10.30630/jirs.v22i1.1728
<![CDATA[The increasing use of infrastructure in Indonesia every year requires a large cement supply. Cement is a very crucial material for development, and its demand in increasing line with the development of human facilities and infrastructure. However, the cement manufacturing process can cause air pollution, CO₂ gas emissions, and produce B3 waste that can damage the environment. One way to reduce this environmental impact is to utilize industrial waste, such as fly ash and lime, as an alternative to cement using geopolymer technology. This study aimed to measure the compressive strength of geopolymer mortar made from fly ash and lime, and to understand how variations in the mixture affect the achievement of maximum mortar strength. The approach applied in this study is an experimental method carried out in the laboratory of the Muhammadiyah University of Parepare. The test specimens used were in the form of cubes measuring 5x5x5 cm with a ratio of fly ash and lime of 70:30, 75:25, and 80:20, so that a total of 36 test specimens were made. The experiment results showed that the mixture with a higher proportion of ash consistently produced greater compressive strength. The mixture with 75% fly ash and 25% lime increased in compressive strength from 6.667 MPa after 7 days to 10.667 MPa after 28 days. This proves that the addition of fly ash in greater amounts can increase the compressive strength of the mortar, especially because fly ash functions as a pozzolanic material that reacts with free lime, forming calcium silicate hydrate (C-S-H) compounds that function as the main binder and thus strengthen the mortar structure. Therefore, the combination of fly ash and lime at 80%:20% is the most efficient and superior mixture in producing high-strength mortar.]]>
<![CDATA[Analisis Perilaku Balok Beton Bertulang dengan Perkuatan Fiber Reinforced Polymer (FRP) Berdasarkan Variasi Tinggi ]]>
<![CDATA[Silvi, Ni Putu]]>;
<![CDATA[Laintarawan, I Putu]]>
<![CDATA[ Jurnal Ilmiah Rekayasa Sipil Vol 22 No 1 (2025): April 2025 ]]>
Publisher : <![CDATA[Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang ]]>
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DOI: 10.30630/jirs.v22i1.1730
<![CDATA[Structural failure due to structural design that does not meet the minimum standards according to SNI results in structural failure, one of which is cracks. One of the popular strengthening for reinforced concrete beams is using FRP (Fiber Reinforced Polymer). This is because FRP has the advantages of being lightweight, easy to install, corrosion resistant and does not interfere with the function of the structure. The purpose of this study was to determine the behavior of strengthening reinforced concrete beam structures using FRP with variations in FRP strengthening height against reinforced concrete beams without strengthening. The method used in this study is a quantitative method using FRP height variation data which is modeled and analyzed using the finite element method. Modeling and analysis using SAP2000 software assistance with 5 (five) models, namely model 1 is a model without reinforcement, models 2, 3, 4 and 5 with FRP heights of 0.25h, 0.5h, 0.75h and h respectively. The FRP thickness is 5 mm. The loads calculated in the analysis are the ultimate dead and live loads according to SNI 1727: 2020 (SNI Loading) and SNI 2847: 2019 (SNI Concrete). Based on the analysis results, strengthening reinforced concrete beams with FRP can reduce vertical deflection due to the ultimate load by an average of 46.146% compared to beams without strengthening. The ultimate moment of the support and the field of the FRP-strengthened beam can increase the ultimate flexural and shear capacity by an average of 0.242% compared to beams without strengthening. Likewise, the bending stress s11 min and s11 max of the FRP-strengthened beam can increase the average bending stress capacity by 21.65% compared to beams without strengthening. The maximum stress and strain contours decrease as the FRP strengthening height increases.]]>
<![CDATA[Studi Eksperimental Karakteristik Beton Ringan SCC dengan Penambahan Styrofoam dan Benang Gelasan ]]>
<![CDATA[Fajrul Falah, Muhammad]]>;
<![CDATA[Solikin, Mochamad]]>;
<![CDATA[Kholilur Rohman, Rosyid]]>;
<![CDATA[Muhammad Nuryanto, Fadhil]]>;
<![CDATA[Ika Hariani, Deby]]>;
<![CDATA[Putri Yastari, Febi]]>;
<![CDATA[Agung Saputra, Cahyo]]>
<![CDATA[ Jurnal Ilmiah Rekayasa Sipil Vol 22 No 1 (2025): April 2025 ]]>
Publisher : <![CDATA[Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang ]]>
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DOI: 10.30630/jirs.v22i1.1736
<![CDATA[Global sustainability is a big challenge for various industry sectors, including the construction industry. Concrete is a key material in infrastructure development due to its high strength and good durability. However, concrete production has significant environmental impacts, such as the exploitation of natural resources and increased carbon emissions. Therefore, there is a need to innovate materials that are more environmentally friendly without reducing the quality of concrete. This research aims to explore the use of Styrofoam waste and yarn as additives in concrete mixes. Styrofoam was chosen due to its lightweight and biodegradable nature, its use in concrete can reduce environmental pollution. Meanwhile, yarn was added to increase the strength of concrete that had undergone changes due to the addition of Styrofoam. This research was conducted using an experimental method with the addition of 30% Styrofoam from the total fine aggregate as a fixed variable. In addition, variations of yarn were used at 0.5% and 1% of the total concrete mix. Tests were carried out using cylindrical test objects with a diameter of 15 cm and a height of 30 cm, with a total of 8 samples tested to determine the compressive strength value of the resulting concrete. The test results showed that the highest compressive strength was obtained in the variation of adding 1% yarn, with a value of 15.03 MPa. This shows that the combination of styrofoam and yarn still allows the concrete to have sufficient strength for certain construction applications. From this research, it can be concluded that the use of Styrofoam and yarn in concrete has the potential to be an environmentally friendly material innovation that supports the sustainability of the construction industry. By utilizing this waste, it is expected to reduce environmental impact and open up new opportunities in the development of sustainable construction materials]]>
<![CDATA[Perencanaan Rencana Anggaran Biaya RumahTinggal dengan Pendekatan Inovatif di Kota Kendari ]]>
<![CDATA[Nesya, Badzlina Harvy]]>;
<![CDATA[Alvanda, Muhammad Reyhan]]>;
<![CDATA[Habibulloh, Abdi]]>;
<![CDATA[Nugroho, Shabrina Salsabila]]>
<![CDATA[ Jurnal Ilmiah Rekayasa Sipil Vol 22 No 1 (2025): April 2025 ]]>
Publisher : <![CDATA[Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang ]]>
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DOI: 10.30630/jirs.v22i1.1749
<![CDATA[Kendari is the capital city of Southeast Sulawesi Province which administratively has 11 sub-districts and 65 villages. In 2023, the population of Kendari City reached 351,051 people which is increasing from year to year. This increase in population causes the need for houses as a basic need for housing for the community to also continue to increase from year to year. The house as a residence is certainly the key to the comfort and safety of its inhabitants. This comfort and security cannot be separated from efficient and effective house construction planning so that these goals can be achieved properly. The purpose of this research is to obtain detailed specifications of innovative implementation methods and materials that can make the construction of residential houses with a Budget Plan (RAB) that becomes effective and efficient and prioritizes aspects of quality and high quality. The data studied in this research is a residential house with an area of 7m x 9.5m located in Kendari City, Southeast Sulawesi Province. The results obtained are the calculation of the Cost Budget Plan (RAB) of Rp318,419,000 and the innovations applied to achieve the effectiveness and efficiency of residential construction, namely the calculation of the quantity of work items by prioritizing good waste management aspects, the use of high-quality products, casting using mini ready mix concrete with maintained quality, and innovative use of technology such as SketcUp 3D and Microsoft Project for efficient project execution and scheduling methods.]]>
