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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 283 Documents
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REDUKSI NILAI AKTIF MATERIAL GUNUNG DENGAN STABILISASI PADA TIMBUNAN PILIHAN PERKERASAN PERBUTIRAN JALAN RAYA Gon, Kasmir
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 29 No. 1 (2024): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v29i1.5655

Abstract

The use of selected embankment materials in highway pavement work must meet the technical requirements in accordance with the applicable specifications. One source of mountain material exploited by the general public to meet the needs of residential construction and contractors on government projects is Golo Lalong Village, East Manggarai Regency, NTT Province. From previous research it is known that the mountain material from the quarry is not suitable for selected embankment work on roads because its active value is > 1.25 which is categorized as active material. This research was carried out with the aim of stabilizing the mountain material of Golo Lalong Village with mountain material from Kisol to reduce its active value. With 15% stabilization of Ex Kisol mountain material it is able to reduce the plastic limit value from 9 to 13 to 3 and the percentage passing the Number 200 sieve varies from 5.16% to 6.87%. The active value of the material resulting from the stabilization was reduced significantly from 1.25 to 2.43 become 0.44 to 0.97 so that the Golo Lalong Village mountain material with 15% stabilization of the Ex Kisol mountain material is suitable for use as an embankment option for highway granular pavement.
Cover Wahana Desember 2023 Desember 2023, Cover Wahana
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 28 No. 2 (2023): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v28i2.5228

Abstract

THE EFFECT OF BIOPOLYMER MIXTURE AS A STABILIZATION AGENT ON PEAT SOIL TO INCREASE SOIL SHEAR STRENGTH BY DIRECT SHEAR TEST Setyaningrum, Dewi Janti; Yuswandono, Mulyadi; Amalia, Dewi; Sihombing, Atmy Verani Rouly; Krisologus, Yulianto Petrus; Siswanto, Antonius; Sukandar, Beny Mulyana
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 28 No. 2 (2023): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v28i2.5239

Abstract

Peat soil stabilization with a mixture of biopolymer materials with a mixture variation of 0.5%, 1%, 2%, 2.5%, and 3% to soil weight. This study aims to analyze the physical properties of peat soil in the Palangka Raya area and analyze the effect of adding a mixture of chitosan biopolymer with peat soil on the value of peat soil shear strength. Examination of soil physical properties includes moisture content examination, fiber content examination, specific gravity examination and volume weight examination. Meanwhile, the examination of mechanical properties in native soils and mixed soils is carried out by direct shear test. The results showed that peat soil in the Palangka Raya area had a moisture content value of 779.87%, fiber content of 61.44%, specific gravity of 1.41, and volume weight of 1.08 g/cm3. The results of direct shear testing on native soil obtained a cohesion value (c) of 0.04 kg/cm2 and a deep shear angle value (φ) of 4.50 °. The addition of biopolymer mixtures to the original soil results in cohesion values and deep shear angle values tend to increase with each addition of mixture variations. The highest increase in cohesion value (c), deep shear angle (φ) and soil shear strength (Ï„) occurred with the addition of 2.5% biopolymer and 3% biopolymer 28-day curing. This shows that the addition of biopolymer mixtures will provide an increase in the shear strength value of the soil, which makes the soil better and more stable.
EVALUASI KAPASITAS BENDUNG UNTUK PERENCANAAN CHECKDAM SEBAGAI PENGENDALIAN SEDIMENTASI DI BENDUNG LOGUNG Utomo, Pambudi Nur; Solikin, Mochamad; Pudyastuti, Purwanti Sri; Sunarjono, Sri
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 29 No. 1 (2024): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v29i1.5650

Abstract

Sedimentation that occurs in the Logung Weir in Kudus Regency can reduce the capacity of irrigation services. The conturmeisure for sediment by build a check dam or normalization. The methods used in this analysis include hydrological analysis using the Hec-HMS application to obtain a 50 year planned flood discharge, erosion rate analysis using the Universal Soil Loss Equation (USLE) method and sediment analysis using the Sediment Delivery Ratio (SDR) method. Furthermore, comparing the efficiency between normalization work and making check dams and their maintenance. Analysis of the amount of sediment in the Logung Dam catchment is 1.18 mm/year with a sedimentation rate of 0.27%, which is 4750.87 m ³/year. The sediment storage capacity at Logung Weir is 1,918.00 m ³, it is necessary to increase the storage capacity of 2,832.61 m ³. For scenario 1, normalization/dredging is carried out 3 times a year, with an operational cost of IDR 707,425,977.00/year. Within a period of 50 years the total cost that must be incurred is Rp. 155,503,120,928.41. Scenario 2 is the construction of a check dam at the upstream of Logung Weir, the location is suggested at Sta. 11+50. The cost required Rp. 4,171,067,132.16 for construction and annual dredging costs of Rp. 235,808,659.01. Within a period of 50 years the total costs to be incurred amounted to 56,005,440,774.97. Comparison of the 2 scenarios shows that a more efficient long-term value is the construction of check dams and their operations.
ANALISIS DAMPAK KONSENSI TERHADAP KELAYAKAN PROYEK PERKERETAAPIAN Salim, Indra Putra; Simanjuntak, Manlian Ronald A.; Sulistio, Hendrik
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 29 No. 1 (2024): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v29i1.5645

Abstract

Concession agreements have been implemented in many transportation infrastructure projects in Indonesia as a creative step by the government to meet the funding needs of transportation infrastructure projects in the country. The Jakarta-Bandung High-Speed Railway (JBHSR) is a major railway project with substantial investment. Despite securing a 50-year concession, the project has seen escalating investment costs. Nevertheless, the concession significantly impacts the feasibility of the project investment. This study examines and analyzes several factors that influence or are considered in the concession period agreement of railway projects. The research employs a qualitative descriptive method involving literature review, policy document analysis, and expert interviews. The research shows that high-speed railway projects typically have a lengthy return on investment. This is supported by the scarcity of countries globally where such projects have achieved both investment recovery and profitability. Regarding the 50-year concession for the JBHSR Project, it becomes inconsequential when construction issues arise, impacting costs and investment scale. Therefore, a review and reevaluation of the concession period is necessary. Furthermore, certain considerations need to be taken into account when determining the new concession period. The research aims to guide the government in enhancing concession policies, especially concerning railway project concession periods.
KAJIAN FAKTOR-FAKTOR YANG MENDUKUNG DAN TIDAK MENDUKUNG PERLUASAN LAYANAN BUS RAPID TRANSIT (BRT) TRANS JATENG (Studi Kasus: Koridor 1 Bawen ”“ Tawang Rute Menjadi Salatiga ”“ Tawang) Nugraheni, Desi Wulan; Rochim, Abdul; Karlinasari, Rinda
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 29 No. 1 (2024): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v29i1.5661

Abstract

The high public interest in the Semarang City, Semarang Regency, and Salatiga City areas towards the Trans Jateng BRT service has become the basis for the expansion of the Trans Jateng BRT service from corridor 1 Bawen-Tawang route to Salatiga-Tawang, which is much needed. Therefore, the aim of this research is to identify factors that support and oppose the expansion of the Trans Jateng BRT service from corridor 1 Bawen-Tawang route to Salatiga-Tawang and to find appropriate strategies to address the differences between supporting and opposing factors for the expansion of this service. This study employs a descriptive qualitative approach using the Delphi method and SWOT analysis. The research findings indicate that there are 24 factors supporting the expansion of the Trans Jateng BRT service, categorized into transportation infrastructure availability, community support, regional development plans, economic factors, government support, and the success of the Trans Jateng service. There are 15 factors opposing the expansion of the Trans Jateng BRT service, categorized into transportation infrastructure inadequacy, stakeholder disagreement, budget constraints and financial resources limitations, as well as low public awareness and education. The strategy to address the differences between supporting and opposing factors for the expansion of the Trans Jateng BRT service from corridor 1 Bawen-Tawang route to Salatiga-Tawang is the stable growth strategy.
SIMULASI REKAYASA LALU LINTAS PADA KAWASAN WISATA KOTA LAMA SEMARANG Perdana, Haris Athiya; Mudiyono, Rachmat; Adi, Henny Pratiwi
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 28 No. 2 (2023): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v28i2.5234

Abstract

The Old Town area of Semarang is a tourist area that will be projected as a pedestrian area. The first step starts with the Car Free Night policy. This policy was carried out by closing Jl. Letjen Suprapto as a pedestrian area. The purpose of this study is to determine the performance conditions of the intersections in the Old City Area. Data collection in this study used an intersection inventory survey method which included intersection geometry, speed, and vehicle volume. The analytical method uses the help of the PTV Vissim 2022 Student Version application. Based on PTV Vissim analysis for normal day intersection performance, it was found that the lowest intersection performance occurred at the Letjen Suprapto Intersection with service level F where there was a delay of 80 seconds/vehicle and a queue of 127 m long. During Car Free Night, the lowest intersection performance is shown by level of service D, delay of 38 seconds/vehicle, and queue of 57 m. this condition occurs at the Mpu Tantular Intersection. The Car Free Night policy has had a positive impact on the performance of the traffic flow network in the Old City of Semarang as indicated by the increased level of intersection service.
Cover Wahana Juni 2024 wahana 2024, Cover
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 29 No. 1 (2024): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v29i1.5640

Abstract

EVALUASI PEMELIHARAAN JARINGAN IRIGASI WONOTORO TAHUN 2019 SAMPAI 2021 Rahmadi, Wahyu; Solikin, Mochamad; Jumadi, Jumadi; Pudyastuti, Purwanti Sri; Harnaeni, Senja Rum
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 29 No. 1 (2024): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v29i1.5656

Abstract

Evaluation or irrigation network maintenance is needed to determine and function of irrigation network after maintenance. One of the irrigation networks whose maintenance needs to be evaluated is the Wonotoro irrigation network. The irrigation network receives continuous maintenance every year, both routine and periodic maintenance. This study aims to evaluate the physical condition of the wonotoro irrigation network in 2019 to 2021, analyze trends in the condition of the network after maintenance from 2019 to 2021 and measure the efficiency of irrigation water distribution in 2021, in this study using a quantitative descriptive method. The results showed that in 2019 the condition was 80.02% of the classification slighty damaged, in 2020 the condition was 79.14% of the classification moderately damaged and in 2021 the condition was 77.80% of the classification moderately damaged. The trend of the physical condition of the Wonotoro irrigation network has decreased every year. The decline in conditions from 2019 to 2020 was 0,88% while from 2020 to 2021 it had decreased by 1,33%. Measurement of the efficiency of irrigation water distribution in 2021 is 49.39%.
Dewan Penyunting Wahana Desember 2023 Penyunting, Dewan
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 28 No. 2 (2023): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v28i2.5229

Abstract

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