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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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Estimasi Emisi Kendaraan Ringan pada Ruas Jalan Perintis Kemerdekaan Kota Makassar S.N.J. Patunrangi; A.I.N.K. Kadir; M. Sutrisno
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.v4i1.458

Abstract

Population growth is increasingly demanding economic growth accompanied by the need for transportation as facilities of movement person and goods. The increase of transport it is not balanced with the right policies will cause various problems appertain the increasing number of motorized vehicles that has an impact on the environment, namely increasing air pollution. Exhaust emissions from motorized vehicles originating from fossil fuels make impact the environment. Various studies on transportation models have been developed by many researchers, various transportation models can also estimate emissions from motorized vehicles included MOVES and IVEM. The aim of this study is to analyze whether there are differences between the results of the emission estimation model in the MOVES and IVEM programs. The method used is using a driving cycle, where the vehicle is tracking on the highway using GPS second per second. Tracking is carried out on the Perintis Kemerdekaan road with a starting point of KM 7.75 to the end point of KM 13.12 as well as for the opposite direction. Tracking done at peak hours of 7-10 am, 11-14 noon, and 11-14 afternoon. The results showed that the concentration of Nox emissions was higher in the MOVES model data analysis than the IVEM model, as the CO emission concentration in the morning and evening was higher in the MOVES model and the CO emission concentration during the day was higher in the IVEM model. Statistically with the t test, the result is 0.13 where the result of the CO concentration for the MOVES and IVEM models are the same and for the t test the NOx concentration is 0.008 that the results of the analysis of the IVEM and MOVES models for NOx are not the same.
Analisis Penurunan Tanah Timbunan Menggunakan Metode Elemen Hingga pada Ruas Jalan Tolango-Bulontio STA 47+600 I.P. Latief; I.M. Patuti; F. Achmad
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.v4i1.460

Abstract

Subsidence is a change in the composition of the soil and small spaces in the soil. The method that can be chosen to reduce the rate of decline that occurs on the road is preloading and adding geotextiles. The purpose of this study was to analyze the settlement that occurred in the embankment soil before and after the geotextile was applied. The research location is on Jalan Tolango-Bulontio STA. 47+600 Wubudu Village, East Sumalata District, North Gorontalo Regency. The primary data used is the characteristics of the embankment soil, while the secondary data is in the form of plan drawings, N-SPT values, and geotextile characteristics. Land subsidence analysis was carried out by modeling in two dimensions using the finite element method with the help of the Plaxis 2d v20 application. Structural modeling using plane strain model. The results showed that the settlement of the embankment using geotextiles that the settlement of the embankment soil at point A (shoulder) was 33 mm <65 mm, while the settlement of the embankment without geotextile was greatest at point A (shoulder) of 33 mm. mm < 65 m (allowable descent). The settlement value of the embankment without geotextiles and the use of geotextiles did not have a significant difference because the geotextiles used only functioned as filtration, not as reinforcement
Kajian Perilaku Kuat Geser Tanah Terhadap Penambahan Serat Karung Goni M. Martini; I. Fadliah; B. Biru
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.v4i1.536

Abstract

Soil improvement is a method to improve the physical and mechanical properties of soil that are not good. Soil improvement methods include chemical, mechanical, hydraulic, and reinforcement methods for example by adding geosynthetic sheets/fibers or steel rods. However, the use of these methods is relatively quite expensive from the aspect of the materials used when applied to small-scale volume work. This research tries to examine the behavior of the soil that is given the addition of jute sack fiber, especially to changes in shear strength/soil shear strength parameters. Jute sacks are an alternative material as a substitute for fiber of the Geosynthetic type, jute sacks have a rough texture made of jute fiber, where jute fiber is the second most used natural fiber after cotton. Jute fiber itself can be taken from the bark of the bast fiber tree. Jute itself is an environmentally friendly fabric because it is made from bio-degradable fibers and is included in fabrics made of 100% plant fibers. The percentage of jute fiber used was 0.25%, 0.50% and 0.75% of the dry weight of the soil with variations in length of 1.5 cm, 2.0 cm and 2.5 cm. The sample of soil tested is sandy type from the permanent residential area of Tondo, Mantikulore sub-district, Palu, Central Sulawesi. The addition of fiber has more effect on changes in the value of the soil friction angle than the value of cohesion. Jute fibers with lengths of 1.5 cm and 2.5 cm at percentages between 0.25% and 0.75% tend to increase, but at 2 cm length tend to decrease the value of shear strength. Fiber length and burlap percentage influence each other in increasing and decreasing the value of soil shear strength
Kajian Sistem Drainase Perumahan di Kota Luwuk Kabupaten Banggai P. Suartana
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.v4i1.537

Abstract

Luwuk City is the center of the city of Banggai Regency, which continues to grow. Urban development is followed by an increase in population and land requirements. Changes in land use from open land such as forests, gardens and dry fields to land for settlements causes surface water infiltration to decrease and increase surface runoff. Increased runoff due to reduced water catchment areas as the impact of city development has caused existing drainage to not be able to accommodate the increasing runoff water, resulting in waterlogging or even flooding. About 80% of the water used by the community is discharged directly as liquid waste into drainage canals. This condition of the community results in the accumulation of waste or silt in the drainage channels. This study aims to examine the drainage system in Luwuk City. The study was carried out by evaluating the existing canal system and identifying the suitability of the primary and secondary canals. Based on the results of the analysis carried out in this study, there are several things that can be concluded, namely: several drainage paths indicate the direction of flow does not follow the topography so that this can cause waterlogging and there are 3 natural channels that can be used as primary drainage and 6 natural channels that can be used as secondary drainage so that it will help speed up the flow of water to the final storage area
Analisis Struktur Baja dengan Perhitungan Beban Gempa Menggunakan Metode Time History Berdasarkan SNI 1726:2012 dan SNI 1729:2015 G. Turu’allo; A.H. Anggara
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.v4i1.538

Abstract

The selection of material types used in designing a building is one of essential parts since every type of material consisted of different elements. One of primary materials in constructing building structure is steel. The use of steel has been implemented in most building structures nowadays for its high performance of ductility compared to concrete and wood. Ductility is an important requirement to achieve building structure that is resistant to earthquake. In this thesis, there will be an elaboration of an earthquake resistant and steel structured building. The designed building will be a five-floor office configured by an organized structure. The steel framework system of specialized moment loader is used as structure system of earthquake resistance and analysed using time history method. The steel material used has A36 grade (fy = 250 MPa; fu = 400 MPa), and the concrete grade f’c = 30 MPa. The preparation process results in a design of an earthquake steel resistant structure building that meets the requirement of intersection between each floor and the maximum intersection value occurs on second floor with 93,5 mm where the legal supposed intersection has been valued on 95 mm. The dimension of structure element used is profile block W 14 x 6,75 x 38 for the x-axis and W 16 x 7 x 40 for y-axis. It also has 12 cm of plate thickness on every level with profile column of Wx14x16x283
Model Bangkitan Perjalanan Masyarakat Penyintas di Kota Palu (Studi Kasus : Hunian Tetap Tondo 1) R. Rahman; M. Mashuri; E.R. Labaso; H. Hildayanti
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.v4i1.543

Abstract

Tondo 1 permanent housing is intended for residents affected by the earthquake and tsunami on 28 September 2018. Furthermore, Tondo 1 permanent housing is now inhabited by people from various areas such as Petobo, Mamboro, Balaroa, Talise, and Tondo Villages. The rapid population growth in the tondo village after the relocation resulted in increased movements in the tondo village due to a large number of trips. This affects the trip generation of people who travel from their homes to the Central Business District (CBD) to carry out their daily activities. This study aims to determine the community's characteristics and model the trip generation in Tondo 1 permanent housing. This study used the multiple linear regression method. Based on the calculation, two variables affect the trip: the number of working family members (X2) and the number of vehicle ownership (X5). Therefore, the analysis model of the trip generation of survivors at Tondo 1 permanent housing area is obtained as follows: Y = 1.766 + 0.325 X2 + 0.271 X5.
Penggunaan Metode Pavement Condition Index (PCI) dan Present Serviceability Index (PSI) dalam Penilaian Kerusakan Jalan di Kota Palu (Studi Kasus : Jalan Karanja Lembah, Kota Palu) M. Sutrisno; M. Mashuri; I. Mashuri; A. Natalin
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 4 Issue 2 (September 2023)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v4i2.550

Abstract

Street of Karanja Lembah is a provincial road linking Palu City and Sigi Regency. After a visual survey, the road has suffered a lot of damage, especially on its surface. The purpose of this study was to determine the pavement condition values based on the Pavement Condition Index (PCI) method and the Present Serviceability Index (PSI) method, as well as to determine the type of road handling based on the PCI and PSI values obtained on these roads. The PCI method is carried out directly by dividing the road into several segments called segment units, then recording the type of damage, the dimensions of the damage, and the severity of the damage for each type of damage. In research using the PSI method, the PSI value was calculated using IRI (International Roughness Index) data obtained from the Highways Service of Central Sulawesi Province. From the results of the analysis, it was obtained that the average PCI value for Jalan Karaja Lembah was 79.95% with a "very good" pavement condition, while the average PSI value for Jalan Karaja Lembah was 2.13% with a pavement condition "moderate". For the right type of handling for the PSI and PCI methods, namely the type of periodic maintenance.
Peningkatan Tebal Lapis Perkerasan Kaku pada Jalan Yos Sudarso Kumbe dengan Metode AASHTO D.S. Nababan; Z. Abidina; C. Utary
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 4 Issue 2 (September 2023)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v4i2.560

Abstract

Yos Sudarso Road is a connecting road heavily traveled by heavy vehicles. The number of heavy vehicles that often pass through this road is one of the supporting factors for the damage to the road, in addition to the absence of maintenance and improvement carried out, resulting in a decrease in the level of serviceability of the road. This condition is the main objective of this research, namely to determine the design of increasing the thickness of the rigid pavement layer on Jalan Yos Sudarso Kumbe. The method used in this improvement is the American Association Of State Highway And Transporting official 1993. The research conducted on Yos Sudarso Kumbe road includes collecting CBR data using DCP tools, surveying traffic volume to find the LHR value, then observing how long the puddle of rainwater on the road surface will disappear to determine the drainage quality. From the results of the analysis and calculations carried out using the 1993 AASHTO method with 15% CBR, the thickness of the pavement layer is 135 mm (5.2 inches) because the thickness of the pavement layer does not meet the minimum standard of rigid pavement thickness with low traffic volume. The minimum standard of rigid pavement thickness with low traffic volume is 150 mm (6 inches), with D10 mm reinforcement and 30 cm spacing between support, D19 mm dowel, 45 cm length, 30 cm spacing between bars, and D16 mm tie bars, 70 cm length, 75 cm spacing between bars.
Analisis Kapasitas Saluran Drainase pada Wilayah Padat Penduduk dengan Menggunakan Rational Modification Method D.L. Pamuttu; J. Paresa; E. Yufri
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 4 Issue 2 (September 2023)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v4i2.561

Abstract

Merauke City, as a city in a growth and development period, cannot be separated from various problems. The provision of inadequate city facilities and infrastructure is one of the factors in the situation, drainage, for example. Generally, drainage handling in Merauke City is not comprehensive, so it has yet to handle the problem of inundation or flooding entirely. In residential areas around Estuary 3, puddles or floods are often found whenever rain is high enough intensity. Given that the city of Merauke, including in a flat area or the absence of elevation differences, makes one of the causes of waterlogging or flooding. This study aims to determine the capacity of estuary drainage channels in 3 Merauke Regency to accommodate or drain planned flood discharge. The research method used in this study is the rational method. This study uses two analyses, namely hydrological analysis and hydraulics analysis, where hydrological analysis a carried out to determine planned flood discharge by calculating daily rainfall using probability distribution and hydraulics analysis to determine channel capacity discharge by calculating cross-sectional dimensions. Based on the results of the study shows that segment 1 to segment 10 has different capacity discharge (Qs) and flood discharge (Qr). Segment 1 is one of the channel segments capable of accommodating or draining planned flood discharge with a capacity discharge of 5.51"m" ^"3" "/sec" and flood discharge of 2.07 "m" ^"3" "/sec" (Qs>Qr). In segment 7, which is the segment with the minor channel discharge, namely channel capacity discharge (Qs) of 0.004 "m" ^"3" "/sec" and plan flood discharge (Qr) of 0.78"m" ^"3" "/sec" then, the channel is unable to accommodate or drain plan flood discharge (Qr > Qs). And for other segments, the track cannot adjust or drain the planned flood discharge (Qs<Qr) with a capacity discharge between 0.003-0.05 "m" ^"3" "/sec" with a deliberate flood discharge of 0.21-1.19 "m" ^"3" "/sec" .
Tinjauan Faktor-Faktor yang Mempengaruhi Karakteristik Tukang Terhadap Prestasi Kerja (Studi Kasus Proyek Area Kota Palu) A. Asnudin; J. Josua
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 4 Issue 2 (September 2023)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v4i2.568

Abstract

Human resources are one of the most important factors in determining the success of a project. Measurement of human resources is expressed in numerical values measured by workers based on influencing variables. The purpose of this study was to determine what factors influence the characteristics of workers on the work performance of a construction project. The method used in this study is a quantitative descriptive method by distributing questionnaires directly with the contents in accordance with the expected research, then the questionnaires are distributed in the field (Fence Rehabilitation Work at the Central Sulawesi BPS Office and Building Construction Work for the Meteorology, Climatology, and Geophysics Office Classroom). I) with a total o f 30 respondents. After obtaining data from the field with the help of questionnaires, then data processing is carried out which includes reliability tests, descriptive analysis, and Relative Rank Index (RRI) analysis. The results of the study indicate that the main factors that greatly affect the work performance of construction workers in the implementation of construction projects in Palu are the discipline factor with a 50% value presentation, the motivation factor with a 30% presentation and 20% productivity.

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