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REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development
Published by Universitas Tadulako
ISSN : 27233472     EISSN : 27461033     DOI : https://doi.org/10.22487/renstra
Core Subject : Science, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Engineering Environmental Science Transportation
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development is a peer-reviewed journal published by the Civil Engineering Department, Engineering Faculty, Tadulako University. The journal is to publish research articles or original literature reviews covering all concentrations in the fields of Civil and Applied Engineering including Structural Engineering, Geotechnical Engineering, Water Resources Management, and Engineering, Transportation Engineering and Management, Construction Project Management, and other applied sciences related to the engineering field. Articles submitted for publication in the journal must have never been published by other media or journals and are free from plagiarism. It is a six-monthly journal, open-access and published in collaboration with the Indonesian Society for Geotechnical Engineering, Regional Commissariat of Central Sulawesi, and Indonesia Transportation Society, Central Sulawesi.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 106 Documents
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Pengaruh Serbuk Karet dari Ban Bekas sebagai Bahan Tambah Aspal Pen 60/70 pada Karakteristik Campuran Aspal Porus yang Menggunakan Agregat dari Loli Kota Palu M. Mashuri
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 3 Issue 2 (September 2022)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v3i2.427

Abstract

The use of waste crumb rubber tire as an additive in asphalt has been widely practiced in several countries in the world, which aims to improve the characteristics of asphalt mixtures such as porous asphalt. The purpose of this study was to determine the effect of used waste tire rubber powder as an additive in asphalt on the characteristics of porous asphalt mixture using aggregate from stone crusher machine in Loli, Palu city, Central Sulawesi Province. This research was conducted at the Transportation and Highway Laboratory, Tadulako University.This research used several percentages of used waste crumb rubber tire as follows: 0.025%, 0.050%, 0.075%, 0.10% of the aggregate weight in the mixtures (1200 grams). Aggregate composition determination in mixture using Method by sieve.  Optimum Asphalt Content determination using Marshall Method. The results of this research found that the Stability and density value of the mixtures tend to increase at the content of 0.025% - 0,075% used waste crumb rubber tire. The results also found that the maximum stability and maximum density were reached at the Optimum Asphalt Content and the used waste crumb rubber tires content were 0.58% and 0.075%.
Evaluasi Kerusakan Jalan Menggunakan Metode Pavement Condition Index (PCI) dan Surface Distress Iindex (SDI) Studi Kasus Jalan Pue Bongo – Kota Palu E.R. Labaso; M.S. Ishak; M. Kasan
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 3 Issue 2 (September 2022)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v3i2.428

Abstract

Pue Bongo street is one of the urban roads where the pavement is damaged. Based on the observations made, there are many types of damage found, disturbance to road users and have a major impact on safety and comfort.The purpose of this research is to knowing the condition of the damage that occurred and the appropriate form of handling the problem of damage to the Pue Bongo street. Data collection was carried out along the Sta.0+000 to Sta.1+525 roads, namely visually. The data required are secondary data and primary data. Secondary data were obtained through the Department of Highways and Spatial Planning of Central Sulawesi Province. Primary data was obtained through a visual road condition survey using the PCI and SDI methods. The results of the analysis of the condition of the Pue Bongo pavement with an average PCI value of 37.90 indicate poor conditions, while the SDI average value is 76.56 with moderate conditions. The recomended treatment based on PCI method is reconstruction/recycling, for the SDI method the recomended treatment is maintenance. As for the handling of damage basd eon the MDP 2017, namely peeling and replacing the material in certain areas.
Analisis Tingkat Kebisingan Akibat Lalu Lintas Pada Kawasan Perkantoran dan Pendidikan di Kecamatan Kota Utara Kota Gorontalo D. Fortuna; M. Mahmud; Y. Kadir
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 3 Issue 2 (September 2022)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v3i2.432

Abstract

Increased traffic volume can result in environmental issues such as noise or noise pollution. The purpose of this study is to analyze the noise levels in the office and educational areas in Kota Utara District, Gorontalo City, using a traffic noise prediction calculation model and to analyze the comparative value of noise levels based on the prediction calculation model and quality standards according to KEP-48/MENLH/11/1996. The location of this study is spread over several points, namely in Kampus STIKES Bina Mandiri Gorontalo, in front of Kantor Kejaksaan Tinggi Gorontalo, and in front of Kantor Imigrasi TPI Kelas I Gorontalo. The method used in this study is an empirical method with a prediction model for traffic noise prediction.The results showed that the highest noise levels on Monday and Thursday occurred in the Kampus STIKES Bina Mandiri Gorontalo area with a noise intensity of 65.71 dB (A) and 64.71 dB (A). The highest noise level on Saturday occurred in front of Kantor Kejaksaan Tinggi Gorontalo with a noise intensity of 65.12 dB (A). According to a comparison of the results of the analysis and the quality standard according to KEP-48/MENLH/11/1996, the average noise level in the Kampus STIKES area has exceeded the quality standard value for the educational area, which is 55 dB (A). The noise level in front of Kantor Kejaksaan Tinggi Gorontalo on Saturday at 07.00–08.00 WITA shows that the noise intensity has exceeded the quality standard for office areas, which is 65 dB (A). Meanwhile, the noise level in front of Kantor Imigrasi on average still meets the quality standards required for office areas.
Analisis Kinerja Ruas Jalan Terhadap Pusat Kuliner Kalimadu Kota Gorontalo E.P. Masuara; Y. Kadir; I.M. Patuti
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 3 Issue 2 (September 2022)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v3i2.435

Abstract

The development of traffic activities in the Kalimadu culinary center area is expected to attract vehicle movement in the area, causing generation and attraction. The purpose of this study is to analyze the performance of the road segment during the existing condition, during the operational period and in the post-operational period for the next 5 years. This research is located on Jalan Madura, Jalan Kalimantan, Jalan Irian, and Jalan Palu, Gorontalo City, which was carried out for three days of observation, namely Saturday, October 16 2021; Monday, October 18 2021; Thursday, October 21 2021 for 14 hours. starting at 06.00-20.00 WITA with time intervals of 15 minutes. Primary data is geometric data of roads, traffic volume, while secondary data is DED of Kalimadu culinary center and data on population of Gorontalo City. Road performance was analyzed using MKJI (1997). Based on the analysis of the performance of the road in the existing condition, the value of DS< 0.75 is obtained which indicates that the road segment can accommodate passing vehicles well where the ITP value is obtained "A", while during the operational period it causes trip generation and attraction due to activities from the central area. Kalimadu culinary delights which have an impact on the four roads, the results of the total towing trips are 189 vehicles/hour with ITP “A” on Jalan Palu and Jalan Irian, on Jalan Madura and Jalan Kalimantan, ITP “B” is obtained. In the post-operational period the results Analysis of the performance of Jalan Madura and Jalan Kalimantan there is an increase in traffic volume which affects the DS, where ITP is obtained "C".
Analisis Debit Banjir Rancangan dengan Data Curah Hujan di DAS Waru Kabupaten Banggai V.W. Andiese; S.R. Oktavia; N.B. Rustiati; T. Amaliyah; N. Djupanda
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 3 Issue 2 (September 2022)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v3i2.441

Abstract

The meteorological data is important to design and planning the water resources system and irrigation. The complete and long of data is needed to make sure the accuracy of the water avaibility. Unfortunately, the avaibility of the rainfall data is not always complete. So it’s needed the methods to fill the lacking rainfall data. The location of the research is Waru watershed at the Banggai Regency, Central Sulawesi. The cause of repeated flooding in 2019 and 2020 was the disability of the watershed to accommodate higher rainfall intensity. The goals of the research was to compare the design flood discharge values obtained, using the lacking of rainfall data and rainfall data that had been filled in. In filling in the missing rainfall data, 2 methods are used, that are the Algebraic Average method and the Inverse Square Distance method. Then the calculation continues with the design flood discharge, using the Rational method. The final result is the design flood discharge values from the two rainfall data with different conditions will be compared to see the difference between the both of the methods. The value of the difference in design flood discharge obtained from this comparison is 0.0552 m³/s for a 2 year return period, 37.0313 m³/s for a 5 year return period, 79.3389 m³/s for a 10 year return period, 163.1544 m³/s for a 25 year return period, 255.1732 m³/s for the 50-year return period and 380.8701 m³/s for the 100-year return period.
Perancangan Struktur Rangka Pemikul Momen Khusus (SRPMK) Ruko 4 Lantai Berdasarkan SNI 2847-2019 dan SNI 1726-2019 M. Basyir; F. Amir; S. Maricar; I.G.M. Oka
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 3 Issue 2 (September 2022)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v3i2.446

Abstract

Palu City is located in an earthquake-prone area. To Construct a building in earthquake-prone areas, many people like to construct buildings far away from the epicenter, we should be able to construct buildings in earthquake-prone areas without any worries about the resilience of the building related to seismic load. In this final project, a 4 (four) storey shophouse will be designed as the Special Moment Resisting Frame method using the SNI-2847-2019 and SNI- 1726-2019 standard. The seismic load was simulated using the response spectrum and the structural element was analyzed by 3D Structural Analysis Programme. The design results meet the dimensions of each structural elements. There were slab thickness 125 mm, column dimensions 600 mm x 600 mm, dimensions of beam 400 mm x 600 mm, the dimensions of the joist 200 mm x 400 mm and tie beam dimension 400 mm x 600 mm with the reinforcement obtained from each structural element meet the requirements of SNI-2487- 2019, Standard of structural concrete for buildings.
Estimating Project Completion Time with Monte Carlo Simulation A. Fadjar; N. Nirmalawati; N. Hidayat
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 3 Issue 2 (September 2022)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v3i2.448

Abstract

Risk and uncertainty are factors that construction project managers have been increasingly had to deal with. Project completion time is one of the areas where the expected time is often underestimated or shorter than the actual completion time. Monte Carlo simulation is a widely used simulation technique in modeling a process that is difficult to predict due to its random variables. This study provides a practical way to use Monte Carlo simulation to simulate a project using functions available in a spreadsheet application. A project with five activities was simulated 2000 times using minimum, maximum, and expected duration. The mean, mode, and median simulation results were then plugged into their respective precedence diagram networks to compare them. The precedence diagram computations found that mean, mode, and median project completion times were longer than the initially expected completion time. The mean, mode, and median were 50, 53, and 48 days, respectively, which were 8, 11, and 6 days longer, respectively, than the 42 days initially expected. The study showed that the Monte Carlo simulation could assist the project manager in planning a project schedule that deals with risk and uncertainty more realistically.
Kinerja Persimpangan Jalan Emmy Saelan – Jalan Maluku, Jalan Wolter Monginsidi – Jalan Tj. Karang dan Jalan Emmy Saelan – Jalan Tj. Manimbaya I. Ismadarni; M. Sutrisno; S.P. Lestari; R. Rochmad
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 3 Issue 2 (September 2022)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v3i2.453

Abstract

The purpose of this study is to determine the performance of intersections and provide solutions to problems that occur at the intersection of Emmy Saelan – Maluku street, and Wolter Monginsidi street – Tj. Karang street and Emmy Saelan street – Tj. Manimbaya street. The analysis included road performance, existing conditions and predictions over the next 5 years by calculating the average crossing delay based on the Indonesian Road Capacity Manual (MKJI)1997. From the results of research on the existing conditions DS = 1.24 crossing delay of Emmy Saelan street – Maluku street 55,89 det/smp that is in LOS E, intrection of Wolter Monginsidi – Tj. Karang street value of DS = 1.09 and corssing delay = 24.32 det/smp that is in LOS C and intersection of Emmy Saelan street – Tj. Manimbaya value of DS = 1.06 and crossing delay = 22.60 det/smp that is in LOS C. So it requires handling of the problem of intersections in the future, the first solution is to make the road median from intrection service levelof W. Monginsidi street – Tj. Karang street up to intrection of Emmy Saelan street – Anoa II street, with a median opening at the point before the bridge. Value of DS = 0.57 dan crossing delay of Emmy Saelan street – Maluku street = 10,16 det/smp that is in LOS B, intrection of Wolter Monginsidi street – Tj. Karang street value of DS = 0.76 dan crossing delay = 12.29 det/smp that is in LOS B and intrection of Emmy Saelan – Tj. Manimbaya street value of DS = 0.41 and crossing delay = 8.12 det/smp that is in LOS B.
Pengaruh Tinggi Muka Air Terhadap Deformasi Tanah Terlikuefaksi A. Beddu; R. Rahainun; I. Fadliah; A. Rahayu; H. Setiawan
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 3 Issue 2 (September 2022)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v3i2.457

Abstract

Liquefaction occurs in saturated loose sandy soils that experience an increase in pore water pressure due to the propagation of earthquake waves to the ground surface. This phenomenon raises various questions such as how the groundwater level can affect the occurrence of liquefaction events at different earthquake strengths. The purpose of this study was to determine the effect of groundwater level on liquefaction-prone soils at different seismic peak acceleration values and the effect of relative density (Dr) values on liquefaction-prone soils with variations in groundwater level and earthquake acceleration. In this study, a sample of Jono Oge sand soil was used from the occurrence of liquefaction that met the gradation criteria. The soil was separated through the #8 sieve and retained #100. The modeling technique is carried out with several variables such as the ratio of groundwater level (Hw/Hs) of 25%, 50%, 75%, and 90%, relative density (Dr) 30%-40% and 40%-50%, and at different peak accelerations of 0.3g and 0.4g. The modeling test uses a sieve shaker for earthquake vibrations.. The results of the study show that the difference in groundwater level affects the subsidence of liquefied soil where the settlement will be accure greater in the ratio of the groundwater level (Hw/Hs) and the peak acceleration is greater and vice versa, the difference in relative density (Dr) also affects the magnitude of the the settlement where the lower the Dr value for Hw/Hs and the greater the peak acceleration, the greater the settlement will be occure.
Analisis Tingkat Kebisingan Lalu Lintas pada Kawasan Kampus 1 Universitas Negeri Gorontalo Ditinjau dari Tingkat Baku Mutu Kebisingan yang Diizinkan C. Mopili; Y. Kadir; M. Mahmud
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 4 Issue 1 (March 2023)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v4i1.434

Abstract

An increase in traffic volume causes several negative impacts, one of which is noise. The Campus 1 area of the State University of Gorontalo is one of the education zones where the traffic flow is quite heavy, so a study was conducted to analyze the noise level due to traffic in the area and compare the noise level with the Noise Quality Standard KEP-48/MENLH/11/1996. This research was conducted on roads adjacent to Campus 1 State University of Gorontalo, namely on the roads Jenderal Sudirman (point 1) with road type 2/2 UD, the roads Ir. Hi. Joesoef Dalie (point 2) with road type 4/2 D, and the roads Dewi Sartika (point 3) with road type 2/2 UD. The method used is called "Calculation of Road Traffic Noise (CoRTN). The highest noise level on the road General Sudirman (point 1) is 69,36 dB(A) on Monday, 69,56 dB(A) on Wednesday, and 67,74 dB(A) on Saturday. On Monday, the highest noise level on the roads of Ir. Hi. Joesoef Dalie (point 2) is 72,28 dB(A), on Wednesday, 72,69 dB(A), and on Saturday, 69,90 dB(A). The highest noise level on the road Dewi Sartika is 67,77 dB(A) on Monday, 67,41 dB(A) on Wednesday, and 67,57 dB(A) on Saturday. These results indicate that the noise level in the Campus 1 area of the State University of Gorontalo has exceeded the permitted noise quality standard according to the Decree of the State Minister of the Environment No. 48 of 1996 concerning the noise quality standard for educational areas, which is 55 dB (A).

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