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Muhammad Mukhlisin
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Department of Civil Engineering Politeknik Negeri Semarang (State Polytechnic of Semarang) Jl. Prof. Sudarto, SH Tembalang, Kota Semarang (50275) Jawa Tengah, INDONESIA
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Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil
Published by Politeknik Negeri Semarang
ISSN : 08538727     EISSN : 25274333     DOI : http://dx.doi.org/10.32497/wahanats
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Transportation
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil or Civil Engineering Forum: Journal of Civil Engineering Development is a medium of communication and dissemination of research results, case studies, and scientific reviews (applied) to scientists and practitioners in the field of Civil Engineering. This journal is published by the Civil Engineering Department of Semarang State Polytechnic periodically 6 (six) months, ie June and December. Scopes of Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil or Civil Engineering Forum: Journal of Civil Engineering Development are: 1. Civil and Structural Engineeering 2. Environmental Engineering 3. Geotechnical Engineering 4. Transport Egineering 5. Water Resources Engineering 6. Constructions Management 7. Building Constructions. 8. Disaster Management.
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 300 Documents
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ANALISIS KINERJA BETON PERMEABEL DENGAN PENAMBAHAN COCOPEAT DAN IJUK TERHADAP KUAT TEKAN UNTUK PENINGKATAN EFEKTIVITAS DRAINASE Hezliana Syahwanti; Muji Listyo Widodo; Irvhaneil
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 30 No. 2 (2025): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v30i2.7054

Abstract

This research is driven by the increasing need for environmentally friendlyconstruction materials to address sand scarcity and flooding issues in Pontianak. Thestudy aims to analyze the performance of permeable concrete by incorporatingcoconut coir powder (cocopeat) and sugar palm fiber (ijuk) as partial substitutes forsand, with the goal of enhancing drainage effectiveness. The methodology involved alaboratory experiment where cylindrical concrete test specimens were created with amixture variation of 1% cocopeat and 1% ijuk by weight of sand. Subsequently,compressive strength tests were conducted at concrete ages of 7, 14, 21, and 28 days.The test results indicate a trend of increasing strength as the concrete ages, with theaverage compressive strength of the mixed concrete reaching 10.6 MPa at 28 days.Although this value is lower than that of conventional concrete, which averages 13.0MPa, the addition of cocopeat was proven to increase the porosity essential fordrainage functions. Meanwhile, the sugar palm fiber played a positive role incontrolling micro-cracks. Therefore, this permeable concrete shows significantpotential as a sustainable material for non-structural applications such as sidewalks,pedestrian paths, and light-load parking areas where water absorption is a priority.
DEVELOPMENT OF FLY ASH AND STEEL SLAG-BASED GEOPOLYMER CONCRETE TO REDUCE CARBON EMISSIONS IN CONSTRUCTION Yehezkiel Septian Yoganata; Ikhsan Putra Pratama; Najla Nurrahma Amalia; Mohammad Amru Bil Ihsani; Kharisma Nur Cahyani; Nur Laily Lupita Sari
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 30 No. 2 (2025): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v30i2.7136

Abstract

The global construction sector, particularly the production of concrete structures, is a major contributor to carbon dioxide (CO2) emissions. Portland cement alone is responsible for 10% of global emissions. In response to this sustainability issue, this research aims to develop green concrete through the partial substitution of cement using fly ash and fine aggregate with steel slag, based on the similarity of the chemical composition of these industrial wastes to concrete materials. The research focuses on two objectives: producing a concrete mix formula that meets the compressive strength standard of 21 MPa and comparing CO2 emissions level. The experiment was conducted in the laboratory in accordance with SNI 7656:2012, involving the fabrication of 24 cylindrical test specimens with three variations of fly ash substitution (10%, 15%, 20%) and steel slag substitution (20%, 15%, 10%). The 28-day compressive strength test results showed that all variations exceeded the strength of conventional concrete (22.29 MPa). Specifically, Variation II (15% fly ash, 15% steel slag) achieved optimal performance with a compressive strength of 24.91 MPa. In addition to its mechanical advantages, this optimal variation also reduced carbon emissions by 15%. These findings highlight the great potential of utilizing industrial waste in producing strong and environmentally friendly concrete.
STUDI EFISIENSI VOLUME MATERIAL DAN ESTIMASI BIAYA BANGUNAN MENGGUNAKAN BIM 5D DENGAN SOFTWARE TEKLA STRUCTURES (Studi Kasus Pembangunan Gedung Perpustakaan Desa Gunung Rajak) M Ramdani Novaldi; Hafiz Hamdani; Ahmad Zarkasi
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 30 No. 2 (2025): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v30i2.7147

Abstract

Efforts to improve the efficiency of planning and cost control in small- to mediumscale construction projects in rural areas, the digital approach through Building Information Modeling (BIM) 5D offers a promising alternative. This study aims toanalyze the efficiency of material volume and cost estimation using the BIM 5D-based software Tekla Structures, with a case study on the construction project of the Gunung Rajak Village Library Building, Sakra Barat District, East Lombok Regency. The secondary data used include Shop Drawings and the Bill of Quantities (BoQ) btainedfrom the implementing contractor. The structural modeling was carried out using Tekla Structures to automatically generate estimates of concrete volume and reinforcement weight, which were then compared with conventional methods tomeasure differences and efficiency. The analyzed structural elements include foundations, tie beams, columns, beams, floor slabs, and the roof. The results show that the use of BIM 5D produces more accurate volume and cost estimations andaccelerates the calculation process. The  ifferences in concrete volume reached 18.14%, reinforcement weight 3.05%, and roof volume 9.53%, while cost efficiency was around 14.8% compared to the conventional method. These findings indicate that the implementation of BIM 5D has the potential to improve material and budget efficiency, although its application in rural areas still faces technical and human resource constraints.
PENENTUAN PRIORITAS PENANGANAN KERUSAKAN JALAN BERDASARKAN INDEKS KONDISI PERKERASAN (IKP) DI KOTA PUTUSSIBAU Naura Hajidah
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 31 No. 1 (2026): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v31i1.6896

Abstract

Road infrastructure plays a crucial role in supporting community mobility and economic activities; however, excessive traffic loads can accelerate pavement deterioration. This study aims to identify pavement distresses and determine treatment priorities for the Pancasila – Danau Kayan 1 Road Section in Putussibau. The research employed a visual survey and pavement condition assessment based on the Pavement Condition Index (PCI) guidelines (PUPR, 2016). The results show that the predominant types of distress are longitudinal cracking (73.71%) and alligator cracking (11.99%), with an average NPT value of 28, classified as severe. Based on these conditions, full-depth pavement reconstruction is identified as the main treatment priority to restore pavement performance and ensure sustainable road serviceability in similar urban areas.
ANALISIS ANGKUTAN SEDIMEN MENGGUNAKAN METODE EMPIRIS DAN PEMODELAN NUMERIS PADA SALURAN DRANASE DI KELURAHAN SUMBER JAYA KOTA BENGKULU Rizki Akbar; Khairul Amri; Rena Misliniyati; Lindung Zalbuin Mase; Hardiansyah
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 31 No. 1 (2026): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v31i1.7105

Abstract

Sedimentation in drainage channels can reduce flow capacity and cause flooding. This study aims to analyze sediment characteristics, sediment transport capacity, and its impact on drainage channels in Sumber Jaya Village, Bengkulu City. Sediment samples were taken from five points 100 meters apart, then tested in the laboratory to determine their physical properties and analyzed using empirical and numerical methods, namely Meyer-Peter Müller, Ackers - White, and DuBoys. The test results showed that the sediment was dominated by poorly graded sand with silt or clay content. The average sediment transport capacity obtained was 150.6398 tons/year using the empirical Meyer-Peter Müller method, 153.9395 tons/year using the numerical modeling of Meyer-Peter Müller, 188.409 tons/year using the DuBoys method, and 57.816 tons/year using the Ackers - White method. The average sedimentation percentage of drainage channels reached 12.38% and was classified as a sufficient channel. The results of this study confirm that sedimentation has a significant effect on drainage capacity, requiring rehabilitation measures and further study. These findings are expected to form the basis for sediment management and sustainable drainage infrastructure planning in urban areas.
NUMERICAL ANALYSIS OF POST RAINFALL SLOPE STABILITY WITH REINFORCEMENT CASE STUDY IN PURWOSARI KULON PROGO Yuli Fajarwati; Zalfa Nabila; Dian Eksana Wibowo; Endaryanta Endaryanta
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 31 No. 1 (2026): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v31i1.7186

Abstract

Continuous rainfall over several days caused a landslide along Jalan Penggung, Purwosari Village, Girimulyo District, Kulon Progo Regency. This study was conducted to analyse slope stability under rainfall conditions and to evaluate reinforcement alternatives including soil nailing, ground anchors, and gabions. The slope topography was obtained from DEMNAS data and processed using AutoCAD Civil 3D, while soil parameters were derived from laboratory testing. Rainfall data were obtained from the JAXA satellite and effective rainfall infiltration was calculated using the SCS-CN method. The infiltration was modelled using SEEP/W and the slope stability was subsequently analysed using SLOPE/W with and without reinforcement. The analysis of the existing slope without seismic loading produced an initial safety factor (SF) of 0.922, which decreased to 0.801 after one day of rainfall. When seismic loading was considered, the initial SF was 0.639 and further decreased to 0.550 after one day. These results indicate that the existing slope is unsafe under both static and seismic conditions, making reinforcement necessary. The SF of the slope increased by 118% with soil nailing, 128% with anchors, and 14% with gabions under static conditions. Under seismic loading, soil nailing increased the SF by 101%, anchors by 110%, and gabions by 15%. These findings demonstrate that soil nailing and anchors can improve slope stability to safe levels, whereas gabions are ineffective for the studied slope conditions.
PENERAPAN TEKNIK PERKUATAN STRUKTUR RANGKA ATAP BAJA UNTUK MENINGKATKAN KUALITAS BAHAN AJAR DI BENGKEL KONSTRUKSI BAJA Dedi Budi Setiawan Setiawan; Rifqi Aulia Abdillah; Supriyo Supriyo; Arif Subakti Ariyanto; Nur Setiaji Pamungkas
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 31 No. 1 (2026): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v31i1.7276

Abstract

The roof frame is a structural element that supports the roof load and ensures thesafety and stability of the building. According to Abdillah et al. (2024), damage tothe roof frame can impact other components. For example, if the roof frame sags,the roof covering can loosen, causing leaks. These leaks can affect the ceiling,causing mold and, in the worst case, collapse. Therefore, reinforcement is needed torestore the reliability of the damaged roof truss structure. The purpose of roof truss reinforcement techniques is to increase the load capacity of the steel roof truss, reduce deformation, and minimize the potential for structural failure. The method used in this research is a case study method. A model of the damaged steel roof truss structure will be created, followed by repairs and load testing. The repair technique that can be applied to the damaged components of the roof truss structure that sags can use the method of thickening the steel profile and replacing the sagging profile.The results of the study showed that repairs using the profile thickening method can withstand a load of 534 kg and require a cost of Rp 407,754, while repairs using the profile replacement method can withstand a load of 628 kg and require a cost of Rp 492,905. The most effective repair technique to be applied to damaged roof truss structures that are sagging is the profile thickening method, because this method has almost the same strength as the profile replacement method, but the profile thickening method requires cheaper implementation costs and the repair method is easier.
PRODUKTIVITAS PEMASANGAN DINDING BATA RINGAN MENGGUNAKAN POLYURETHANE SEBAGAI PEREKAT Primasiwi Harprastanti; praharseno Fikri; Sukoyo Sukoyo; Wasino Wasino; Diah Wulan
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 31 No. 1 (2026): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v31i1.7277

Abstract

Time and cost efficiency are critical factors in the construction industry. In the installation of lightweight brick walls, the selection of adhesive type (mortar or polyurethane glue) significantly affects labor productivity. This study aims to empirically validate and compare the installation productivity values, expressed as the number of working hours per square meter (hours/m²), for the two adhesive types. This study employed a controlled experimental method using a 1 m² lightweight brick wall specimen. The two installation methods were tested separately by the same workers to ensure consistency. Installation productivity was calculated based on the ratio of working time to installation area. The results showed that the installation productivity value of lightweight brick walls using mortar was 0.2719 hours/m² (equivalent to 16.32 minutes/m²), whereas the use of polyurethane glue resulted in a productivity value of 0.1264 hours/m² (equivalent to7.58 minutes/m²). This difference indicates a 53.5% improvement in time efficiency when polyurethane glue was used. The increased efficiency was primarily attributed to the elimination of the mixing process and the application of a thinner adhesive layer. The use of polyurethane glue significantly improved the installation productivity of lightweight brick walls. Although polyurethane glue has a higher material cost, its substantially lower installation coefficient makes it an effective option, particularly for projects requiring rapid construction progress, as it can reduce total labor costs and shorten the overall project duration.
EFISIENSI BIAYA PEMBANGUNAN GEDUNG PUSKESMAS BERBASIS REKAYASA NILAI DAN ANALISIS DAUR HIDUP Vinantya Laksmi Ida Ayu Cri; I Putu Budi Artawan; Cokorda Agung Yujana
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 31 No. 1 (2026): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v31i1.7416

Abstract

The construction of health care facilities, such as Community Health Centers (Puskesmas), requires efficient cost planning given the limited local government budget. One approach to optimizing costs without reducing the building's function and quality is value engineering. This study aims to apply the value engineering method to the construction project for the UPTD Puskesmas III Building of the West Denpasar District Health Office to identify work items with potential for cost efficiency and to analyze the savings that can be achieved. The research method uses a case study approach with a value engineering work plan that includes the information stage, function analysis, creative stage, analysis stage, development stage, and recommendation stage. The analysis was carried out using breakdown cost analysis, cost-benefit ratio, life-cycle cost (LCC), and the Analytical Hierarchy Process (AHP). The results of the study indicate that work items such as floor slabs, doors and windows, ceramic floors and walls, and wall masonry and plastering have the greatest potential for value engineering. The implementation of the selected alternative resulted in a total cost savings of Rp1,308,373,475.75 or 7.67% of the total initial project cost. These results indicate that value engineering is effective in increasing construction cost efficiency without reducing the building's function or quality, making it suitable for application in health care facility construction projects.
STUDI KOMPARATIF PENGUKURAN KEKASARAN JALAN (INTERNATIONAL ROUGHNESS INDEX/IRI) MENGGUNAKAN KENDARAAN RODA DUA DAN RODA EMPAT Rendy Dwi Pangesti; Delila Jelita Ayu; Belifa Rahma Putri
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 31 No. 1 (2026): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v31i1.7483

Abstract

Uneven road surface conditions affect the comfort and performance of transportation services, requiring objective measurements using the International Roughness Index (IRI). The development of smartphone-based applications allows IRI measurements to be carried out with various vehicles, but the influence of vehicle type on measurement results remains understudied. This study aims to compare the IRI values generated by two-wheeled and four-wheeled vehicles on the same road section and identify the level of difference. The study used a field survey method on road sections in Tembalang District, Semarang City. Measurements were conducted using the RoadLab Pro application installed on a smartphone. The data were then analyzed descriptively and tested using a paired t-test at a significance level of 5%. The results showed an average IRI of two-wheeled vehicles of 3,237 m/km and four-wheeled vehicles of 4,253 m/km. The statistical test produced a p value <0.05, indicating a significant difference. However, a correlation of 0.668 indicates a consistent pattern of change between road sections. This study confirms that vehicle type influences IRI values and requires adjustments to ensure consistent comparison of measurement results.

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