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INDONESIA
IJTI (International Journal Of Transportation And Infrastructure)
Published by Universitas Narotama Surabaya
ISSN : 25974734     EISSN : 25974769     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Transportation
Arjuna Subject : -
Articles 76 Documents
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Analysis of Transjakarta Bus Rapid Transit Infrastructure Services on Customer Satisfaction Performance with Large-Scale Social Restrictions in DKI Jakarta Sunandar Ali; Anjas Handayani; Mohammad Sobirin; Mohammad Erzal Audifikria
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 5 No 01 (2021): September 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v5i01.1506

Abstract

Quality service is a form of service that are provided by service providers in order to meet the needs of its customers. However, the Covid-19 pandemics has affected the quality of services, including the service of BRT Trans Jakarta. This can have a serious impact if not handled properly and can reduced customer satisfaction with these services. The purpose of this study is to determine the dominant factors that influence the infrastructure services of the Trans Jakarta BRT, to determine the quality of service on customer satisfaction performance during the large-scale social restrictions in DKI Jakarta. The purpose of this study is to find out the dominant factors that influence the infrastructure services of the BRT Trans Jakarta and to determine the quality of service on customer satisfaction performance during the large-scale social restrictions in DKI Jakarta. The concept studies used in this research are service, infrastructure, service quality, and customer satisfaction. This study used quantitative approach along with CSI (Customer Satisfaction Index) method and analysis of the level of conformity of IPA (Importance - Performance Analysis), the sampling system used were incidental sampling with the BRT Trans Jakarta user analysis unit during the large-scale social restrictions in DKI Jakarta. The results showed that the customer satisfaction index for BRT Trans Jakarta infrastructure services during the PSBB was 75.54% for the CSI value and IPA value of 98.54%, and the customer satisfaction criteria were in the Satisfied category.
PUSHOVER ANALYSIS OF THE STRUCTURE A 10 FLOOR BUILDING WITH ATC-40 Dermawan Zebua; Koespiadi Koespiadi
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 5 No 2 (2022): March 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v6i1.1808

Abstract

The concept of earthquake-resistant buildings is very meaningful to try on buildings located in certain earthquake areas, especially in Indonesia considering the situation which is located in a shock area with a fairly high intensity of events. The purpose of this research is to determine the seismic performance criteria of the planned structure using the SMRF (Special Moment Resisting Frame) structural system from the results of the displacement values using the ATC-40 code, showing the yielding scheme (plastic joint distribution) that occurs from the calculation results of the software program, knowing the pattern of building collapse so that it can be known joint- joint that is damaged and damaged from the pushover analysis. From the results of the research, the building structure is able to provide nonlinear behavior which is indicated by the initial phase and the majority of the occurrence of plastic joints occurs in new beam elements and then column elements and has fulfilled the earthquake-resistant building concept, namely strong column - weak beam. The results of the structural performance evaluation according to the ATC-40 rule that the Performance Level of the SMRF building in the x and y directions is at a Performance Level of 0.011 in the Immediate Occupancy (IO) category where the building is safe during an earthquake, the risk of loss of life and structural failure is not too significant, the building does not experience significant damage, and can be reused and not disturbed by repair problems, where the strength and stiffness are approximately the same as the conditions before the earthquake.
COST ESCALATION ANALYSIS (PRICE ADJUSTMENT) ON MULTI YEARS INFRASTRUCTURE PROJECTS (PLUAL YEARS) Anisa Meiyanur; Diah Ayu Restuti Wulandari
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 5 No 2 (2022): March 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v6i1.1810

Abstract

The Kalimati Long Storage Project for Raw Water is one of the projects implemented in Sidoarjo Regency under the supervision of the Brantas River Basin which is a Multiyears project. Where project activities last for 2 (two) years or approximately 720 working days. Multiyears (Multiple Years) projects have risks in the implementation process. One of the risks in the Multiyears project is the adjustment of the unit price of contract components which include building materials, labor, and equipment to the contract value at the time of the auction. In bidding prices in the tender/auction process, contractors must pay attention to construction costs, overhead and profits. The accuracy of the construction cost estimation is in accordance with the project stages from planning, design to final estimation at the time of project completion. The guidelines in this study use the escalation calculation that has been regulated based on Presidential Regulation Number 70 of 2012 article 92 which has been stated in the project agreement contract. This research was conducted on a multi-year project based on government regulations and literature. From the analysis of the cost escalation calculation for October 2018 – December 2019 there is a weight difference of 6.74% from the escalation value. The results of the calculation of the escalation value obtained a value of Rp. 13,457,629.000.00. While the value of the increase in costs of Rp. 199,732,279,557.48 with a total payment of Rp. 357,235,377,870.00. There is a weight difference of 6.75% from the escalation value. The results of the calculation of the escalation value obtained a value of Rp. 13,485.882,216.22. While the value of the increase in costs of Rp. 199,732,279,557.48 with a total payment of Rp. 357,263,630,870.00
FEASIBILITY STUDY OF CONFLICT HANDLING TRAIN RAIL CASE STUDY: 53 SINGOSARI DIRECT CROSSING ROAD Hendrik Suryanto; Farida Hardiningrum
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 5 No 2 (2022): March 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v6i1.1812

Abstract

ANALYSIS OF POST EARTHQUAKE POTENTIAL LIQUEFACTION IN SAMBIK BENGKOL VILLAGE, GANGGA DISTRICT, NORTH LOMBOK REGENCY. Erick Hansel Santoso; Helmy Darjanto
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 5 No 2 (2022): March 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v6i1.1815

Abstract

Liquefaction is one of the impacts caused by earthquakes, where liquefaction is a phenomenon of loss of shear stress strength in the soil due to increased pore water pressure caused by earthquake vibration loads. Liquefaction has a fairly detrimental impact on local residents, and can cause damage to infrastructure buildings. This analysis was conducted to determine the potential for liquefaction that occurred after the earthquake that hit Lombok Island on July 29 2018, the earthquake that shook Lombok Island had a magnitude of 6.4 on the Richter scale. As a result, at least 20 people died, 401 others were injured, and more than 10,000 infrastructure buildings were damaged by the earthquake. In this analysis, using the Simplified method proposed by Seed and Idriss (1981), the initial step that must be done is to collect the results of the soil Nspt test in the field, as well as the acceleration of the earthquake that occurred in the field. Then a comparison of the value of the Cyclic Stress Ratio (CSR) with the value of the Cyclic Resistance Ratio (CRR) is made. Based on the calculations carried out on soil testing at the drill point BH-01 and drill point BH-02, it was found that the soil conditions in Sambik Bengkol Village have the potential for liquefaction.
Analysis of Damage For Flexible and Rigid Pavement Using Pavement Condition Index (PCI) and Bina Marga Methods Muhammad Isradi; Luthfi Rachmansyah; Andri Irfan Rifai; Amar Mufhidin
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 5 No 2 (2022): March 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v6i1.1816

Abstract

PERFORMANCE ANALYSIS OF SENTUL CIRCUIT ROUNDABOUT AND ALTERNATIF ROAD SENTUL BOGOR M Farid Alfarizi R; Muhammad Isradi; Amar Mufhidin; Widodo Budi Dermawan; Andri Irfan Rifai; Joewono Prasetijo
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 5 No 2 (2022): March 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v6i1.1817

Abstract

A roundabout is an intersection equipped with circular lanes and has a design specification and is equipped with traffic equipment. The various patterns of movement will intersect each other, causing conflict points at an intersection. This study aims to determine the performance of the Sentul circuit roundabout and the Sentul alternatif road segment. Traffic data was collected for 3 days using the 1997 MKJI method, then made a traffic simulation using the PTV Vissim.The results of the study showed that the highest traffic volume was on Tuesday, November 23, at: the 9725 pcu/hour roundabout and the alternatif sentul total 2 directions 7865 pcu/hour. Sentul circuit roundabout using MKJI 1997 obtained DS values for each link: weaving area 1 (0.81), weaving area 2 (0.81), weaving area 3 (0.86), weaving area 4 (0.77) and alternatif sentul roads: roundabout direction (0.41) , the direction of Bogor (0.45). PTV Vissim the level of service for the sentul circuit roundabout and the alternative sentul: Sentul circuit roundabout: weaving area 1 (e), weaving area 2 (d), weaving area 3 (c), weaving area 4 (f). section alternative sentul: roundabout direction (b) and Bogor direction (b). alternative solution for scenario 1 by restricting heavy vehicles (HV) during rush hour is obtained DS: link 1 (0.69), link 2 (0.64), link 3 (0.72), link 4 (0.62).
Analysis of Three Armed Signal Intersections With MKJI 1997 Method Amar Mufhidin; Nurohman Nurohman; Muhammad Isradi; Hermawan Hermawan; Rifai Rifai
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 5 No 2 (2022): March 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v6i1.1828

Abstract

Bekasi Regency is a regency in West Java Province with a population of ± 3,899,00 Million People (Based on Statistics Indonesia, 2020). Diponegoro Highway – Setia Mekar Street Bekasi Regency is access to the main road to the city border, besides that access to residential locations, schools, and many companies which makes vehicle traffic especially during rush hour more congested by the activities on the side of the road such as slow vehicle, the ups and downs of passengers, so vehicles that stop causing long vehicle queues. From the results of the analysis, the results of signalized intersection can be obtained on the Diponegoro Highway Setia Mekar Street Bekasi Regency. It is known that the greatest Degree of Saturation is in the Northen approach which is 1,12 with a average intersection delay is 99,21 seconds/smp. Furthermore, Alternative solutions is carried out by changing side obstacles from 0,94 to 0,95 and recycling time intersection, resulting in a decrease in the average intersection delay and improvement of indoporlen intersection services
Analysis of Direction Zones That Influence The Traffic Impact of Shopping Centers That Have Operated Ichwan Ardiansyah; Diah Ayu Restuti Wulandari
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 5 No 2 (2022): March 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v6i1.1829

Abstract

Identifying Accident Severity Factor On Surabaya Secondary Arterial Roads Ahmad Utanaka; Wahyu Satyaning Budhi
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 6 No 1 (2022): September 2022
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v6i1.1870

Abstract

One of the CBD (Central Business District) areas of Surabaya is located at the center of the city, which is also known as the CBD Tunjungan area. CBD Tunjungan area is a hub for trade and services and has important accessibility which is surrounded by secondary arterial roads. Some secondary arterial roads which have access and high mobility to the CBD Tunjungan Area are Darmo Raya Road, Urip Sumoharjo Road and Basuki Rahmat Road. The high activity and mobility in the CBD area cause several transportation problems, one example is traffic accidents. The traffic accident data by the Directorate of Traffic and City Resort Police of Surabaya show that there are quite a several traffic accidents on these two roads. Traffic accidents are divided into three levels of severity i.e. slight, serious, and fatal injuries. To obtain the probability model of traffic accidents within every accident severity, it is necessary to do an analysis using the multinomial logistic regression method. The independent variables such as vehicle speed, lane width, accident time, and accident type, are considered to affect the equation model. Thus, it can be discovered the variables that affect the probability at the three levels of traffic accident severity.

Page 7 of 8 | Total Record : 76

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