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Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil
Published by Asosiasi Riset Ilmu Teknik Indonesia
ISSN : 30315069     EISSN : 30314089     DOI : 10.61132
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Electrical & Electronics Engineering Engineering
research journal of the Engineering Science Clump. The fields of study in this journal include the sub-groups of Civil Engineering and Spatial Planning, Industrial Engineering, Electrical and Computer Engineering, Earth and Marine Engineering
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 183 Documents
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Analisis Kapasitas Kolam Retensi untuk Pengendali Banjir di Perumahan Siliwangi Green Residence Kecamatan Baleendah, Kabupaten Bandung Iing Rustandi; Raisa Fadhila; Rully Savitri Nurvita
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 2 No. 4 (2024): Oktober: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik S
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v2i4.769

Abstract

The synthetic unit hydrograph methods of Nakayasu, HEC-HMS (Snyder), SCS, ITB-1, and ITB-2 are used to calculate peak discharge and flood hydrograph shape in this Kadumalik Dam study. The maximum daily rainfall data analysis used the Thiessen Polygon and Arithmetic Mean methods. Of these two frequency analysis methods, the Thiessen Polygon method was chosen. Rainfall transformation into runoff using the FJ MOCK and NRECA methods has been applied in the Kadumalik Dam analysis. Compared to NRECA, the FJ MOCK method with the Thiessen Polygon method for frequency rainfall analysis provided a better performance rating with calibration values of 0.911 for R2, 0.627 for NSE, 0.606 for RSR, 18.141 for RMSE, and 30.764 for PBIAS. The validation values were 0.911 for R2, 0.661 for NSE, 0.582 for RSR, 16.086 for RMSE, and 34.420 for PBIAS. The Kadumalik Dam uses a side-channel spillway model with an ogee spillway crest type. Technically, it is planned based on the design flood discharge Q100 and controlled by discharging the flood discharge Q1000 and QPMF. The purpose of this study is to determine the hydraulic flow behavior that occurs in the numerical model based on CFD with ANSYS Fluent and CFX, along with Flow 3D in the diversion, regulation, and launching channels, to obtain the optimum design of the structures, where the flow classification is steady and transient. From the numerical analysis results, it was found that the water velocity streamline in the launch channel for Q100 with steady flow is 0.1644 – 0.2643 m.s-1, for Q1000 it is 0.2176 – 0.2869 m.s-1, and for QPMF it is 0.1592 – 0.2262 m.s-1. For transient flow, the water velocity streamline in the launch channel for Q100 is 0.1555 – 0.2250 m.s-1, for Q1000 it is 0.1541 – 0.2232 m.s-1, and for QPMF it is 0.1559 – 0.2255 m.s-1. Wet, normal, and dry hydraulic conditions are used in the analysis of the Kadumalik Dam operation pattern. The wet hydraulic condition before the reservoir had an average discharge of 25.51 m3/s, and after the reservoir, the average discharge was 26.89 m3/s, an increase of 5.125%. The normal hydraulic condition before the reservoir had an average discharge of 15.54 m3/s, and after the reservoir, the average discharge was 18.75 m3/s, an increase of 17.105%. The dry hydraulic condition before the reservoir had an average discharge of 1.74 m3/s, and after the reservoir, the average discharge was 7.97 m3/s, an increase of 78.157%.
Analisis Dampak Aktivitas Masyarakat Terhadap Kawasan Lindung Kampwolker, Distrik Heram, Kota Jayapura Franklin A. Wakom; Tommi Tommi; Sudiro Sudiro; Irja Tobawan Simbiak; Lazarus Ramandei
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 2 (2025): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i2.770

Abstract

Kampwolker is one of the areas included in the Cyclops nature reserve, therefore all components of the ecosystem need to be protected and their development occurs naturally. However, nowadays there have been community activities that have caused land changes. The research method used in this research is mixed method and there are two data analysis techniques used, namely, overlay data analysis techniques and quantitative data analysis techniques. Overlay data analysis can produce land changes that increase every year, while quantitative data analysis techniques can produce community activities that have an impact on the Kampwolker protected area and efforts to overcome these problems. Land changes occur due to community activities. The impact is that the water discharge has decreased so that the Kampwolker river experiences drought.
Analisis Kebijakan Penataan Ruang Kota Jayapura Terhadap Luasan Hutan Kota di Distrik Abepura Sonny Iyai; Sudiro Sudiro; Tommi Tommi
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 2 (2025): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i2.772

Abstract

Jayapura City There is Abepura District which has supporting economic infrastructure so that economic growth in Abepura District is very rapid. The existing city forests in several locations in Abepura District need to be improved or expanded to improve their function. This study aims to see the spatial planning policy in Jayapura City related to the area of ​​the Abepura District city forest, analyze the implications of the Jayapura City spatial planning policy on the area of ​​the Abepura District City Forest, and Analyze the Suitability of Abepura District City Forest Land. This research method uses qualitative descriptive analysis and Spatial Analysis to obtain a picture of the area of ​​the Abepura District City Forest as well as a picture of land conversion and the suitability of the Abepura District City Forest land. The results of this study are that the area of ​​​​Approximately 997 hectares of City Forest is in Abepura District According to the 2014 Jayapura City Spatial Policy Data, the City Forest Development policy has only been carried out once in Organda over the past few years, while policies that reduce the area of ​​​​City Forest Many are carried out in housing, building and road development activities, this is because on average the development already has a land permit and a building permit. This study provides an overview that the problem of the reduced area of ​​the Abepura District City Forest occurs because the Jayapura City Government is not firm enough in implementing the Jayapura City Spatial Planning Policy in development so that it is in accordance with the Area Designation.
The Role of Scheduling in Reducing Delays in Infrastructure Projects Alhamza Ahmed Hasan
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 2 (2025): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i2.774

Abstract

Large delays in infrastructure projects may lead to budget overruns, worse quality, and stakeholder dissatisfaction. This study examines scheduling tools and methods to decrease delays in large infrastructure projects. It compared Primavera P6 and MS Project projects with traditional scheduling methods. Detailed case studies indicate that improved scheduling improves project timetables, resource allocation, and cost management. Results demonstrate that advanced scheduling may boost project productivity and save delays by 50%. At the study's conclusion, risk management, real-time tracking, and critical path analysis were suggested for scheduling.
Analisis Perbandingan Produktivitas dan Value Engineering pada Pelaksanaan Pekerjaan Pemasangan Bata Merah dan Bata Ringan: (Studi Kasus : Proyek Perumahan Shopee Semanggi) Ivan Fadhila; Ary Setyawan; Koosdaryani Soeryodarundio
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 2 (2025): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i2.776

Abstract

The selection of building materials is vital for the development of high-quality infrastructure and residential projects. The two most commonly used building materials are red bricks and lightweight bricks. This study compares the productivity and cost of red brick and lightweight brick production and installation in construction projects. Data were obtained through direct observation, worker interviews, and Value Engineering analysis on the Shopee Semanggi Housing Project, which consists of 136 houses with a total estimated budget (RAB) of Rp10.93 billion. The results show that red brick installation productivity is 3.3 m²/day, while lightweight brick installation reaches 17.9 m²/day. The installation cost for red bricks is Rp1.52 billion for 12,786.78 m², compared to Rp1.62 billion for lightweight bricks for the same area. This study provides guidance for selecting building materials based on time and cost efficiency.
Pengembangan Model Estimasi Konseptual Biaya Pembangunan Gedung Rumah Sakit Menggunakan Cost Significant Model Putu A.A. Aptiyasa; Cosmas P.Y. Pao Effi; Stefanus Rada
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 2 (2025): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i2.777

Abstract

Implementation of the hospital building project, have a ways of estimation in accordance with the phases of the project. In the early stages of project planning, (owner) requires the estimated cost to construct the project budget. So it is necessary to develop cost estimation model that is easy to use, accurate and reliable. This research planning to develop a model estimation on stage initial project planning, easy with a fairly accurate result. Development method uses the principle of " Cost Significant Model" and the multiple linear regression. 6 data obtained using the method of work packages BoQ (Bill of Quantity) hospital building with details of data among 5 work packages that have been realized from fiscal year 2011 - 2014 were compared with 1 package of work to be performed
Efektivitas dan Akurasi Metode Manual dan Bim dalam Perhitungan Volume Pile Cap dan Pembesian Bangunan Gedung Gazalba Imaduddin Sholeh
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 2 (2025): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i2.786

Abstract

In the modern construction industry, accuracy and efficiency in volume calculations are crucial aspects of project success. This study compares two methods for calculating the volume of pile caps and reinforcement: the manual method and the Building Information Modeling (BIM)-based method. The manual method has long been used but has limitations in terms of time efficiency and a higher risk of errors. In contrast, the BIM method offers more accurate and efficient calculations through software-based digital modeling. This study employs a descriptive-comparative quantitative approach by analyzing volume calculation data using both methods. The results indicate that the BIM method has a higher level of accuracy, with a concrete volume of 1,822.87 m³ and reinforcement of 148,862.80 kg, compared to the manual method, which produced a concrete volume of 1,842.17 m³ and reinforcement of 150,279.05 kg. The comparison of pile cap volume calculations shows that the BIM method achieves 98.95% effectiveness in concrete volume calculations and 99.06% effectiveness in reinforcement calculations compared to the manual method. Additionally, the BIM method has proven to be more efficient in reducing calculation time and minimizing input errors. Thus, BIM is more recommended for large-scale projects that require high accuracy and efficiency in construction volume calculations. However, the manual method remains relevant as a validation tool and for small projects with technological limitations. This study highlights the importance of adopting digital technology in the construction industry to enhance productivity and project planning effectiveness.
Efisiensi Saluran Irigasi di Daerah Irigasi Senden Kabupaten Sukoharjo Aslam Taqiuddin; Agus Hari Wahyudi; Sobriyah Sobriyah
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 2 (2025): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i2.789

Abstract

The irrigation efficiency is an important component on assessing the performance of an irrigation system. The analysis of irrigation loss is needed to obtain the amount of water lost along the channel. Water loss can be caused by a variety of factors, including water leakage along the canal, evaporation, and infiltration. This can certainly reduce the efficiency of water use. Irrigation a water loss analysis is very important to improve irrigation performance. This analysis will help you understand how much water is lost and what factors contribute to water loss. Based on this understanding, preventive measures can be taken and improvements can be made to increase productivity and water use efficiency. This research aims to evaluate the level of channel efficiency and measure the amount of water loss in the main channel in the Senden Irrigation Area.. The method of research implementation is to measure water discharge directly in the field. The result analysis showed that the average percentage of water loss in Senden main canal was 56.63%. Maximum water loss value was recorded at 60.86%, while the minimum value was 52.55%. Factors affecting water loss due to evaporation showed an average value of 0.0685%, while water loss due to seepage was recorded at a very small 0.0003%. For the channel efficiency value shows that an average percentage of 43%. It is obtained with a maximum channel efficiency of 47% and a minimum channel efficiency of 39%. However, the water balance analysis shows a maximum value of 11.45 m3 /second. While the minimum value is -0.04 m3 / second.
Evaluasi Kondisi Perkerasan Metode dan Prediksi Nilai Sisa pada Jalan Hertasning – Jalan Yasin Limpo Kota Makassar Andi Irvan
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 2 (2025): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i2.804

Abstract

This study uses primary data in the form of types of damage identified through direct surveys in the field and the thickness of the existing pavement layer carried out by asphalt test-pit testing. The secondary data obtained from the Makassar City Public Works Agency in the form of road pavement data, LHR 2021-2023, CBR, and deflection data in 2023. The results of the analysis show that the condition of Jalan Hertasning - Jalan Yasin Limpo with the pavement on the section is classified as fair with the highest PCI value of 77 in the excellent rating and the lowest of 22 in the very poor rating. The analysis of the new pavement was carried out using the 2017 Bina Marga method, the thickness of the AC-WC layer is 4 cm, AC-BC is 6 cm thick, AC-Base is 8 cm thick, Class A Foundation Layer is 30 cm thick, and Class S additional Foundation Layer is 20 cm thick. Through the mechanistic-empirical method of the KENPAVE program, it shows that the additional pavement layer (overlay) of the Hertasning Street to Yasin Limpo Street section for fatigue cracking damage is 0.0001992 with a load repetition value of 1,441,176 ESAL. The remaining value of the 20-year design life, obtained the thickness of the AC-WC pavement layer of 4 cm, the AC-BC layer of 6 cm, the AC-Base layer of 8 cm, and for the Class A upper foundation layer of 30 cm and an additional layer with Class S aggregate of 20 cm thick which is placed under the Class A Foundation Layer. Meanwhile, based on the KENPAVE program, it shows that during the 20-year design life, the pavement can withstand the load without damage because the load repetition control value is greater than the planned LHR value (Nr). The remaining design life value on Jalan Hertasning to Jalan Yasin Limpo using the Bina Marga 2017 method shows that the planned thickness of the new pavement layer is given an additional layer because the soil bearing capacity is less than 6% so that it is necessary to provide embankment material as a form of soil improvement for the minimum road foundation design in Bina Marga 2017.
Perubahan Kepadatan Bangunan PermukimanTerdampak Perkembangan Aglomerasi Industri di Kecamatan Gondangrejo, Kabupaten Karanganyar Sirotulmustaqim, Dikri; Andini, Isti; Widodo, Candraningratri Ekaputri
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 2 (2025): April: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sip
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i2.808

Abstract

The 2013-2031 Karanganyar Regency RTRW directs Gondangrejo District as an area designated for medium to large-scale industries, although on the other hand there are rural settlement areas in existing conditions. The industry in Gondangrejo District is growing and developing which is agglomerated along the Solo-Purwodadi Road. The development of this agglomeration has an impact on the increasing density of rural settlements around the industry. Therefore, this study aims to measure changes in the density of residential buildings affected by the development of industrial agglomeration in Gondangrejo District, Karanganyar Regency between 2004-2024. The research method used is quantitative with regional relative comparison analysis techniques, average nearset neighbors, and kernel density analysis. The results of the study show that industrial agglomeration in Gondangrejo District has experienced low-level development. The density of residential buildings has also increased to 25 units/ha. The growth of residential buildings, boarding houses, shops/stalls, and parking facilities around the industry is a direct impact of the development of industrial agglomeration on the density of residential buildings.

Page 12 of 19 | Total Record : 183

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