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Analysis Of Public Transport Service Performance syafwandi syafwandi
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 4 No 2 (2021): March 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v4i2.1343

The Effect of Substitution of Coarse and Fine Aggregates with Shells of Blood Clams and Cement With Fly Ash and The Additional of Superplasticizer Against The Compressive Test Syafwandi Syafwandi; Ryan Adisya Cerra
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 4 No 2 (2021): March 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v4i2.1344

Concrete generally composed of four main constituent materials namely portland cement, fine aggregate (sand), coarse aggregate (gravel), and water. The large amount of use of concrete in construction results in an increase in the demand for concrete materials, thus triggering the mining of concrete materials on a large scale which caused the decline in natural resources in Indonesia for the need for concrete material. If needed, substitute materials can be created in such a way as to change certain properties of concrete to function better, economically, and environmentally friendly. The waste of fly ash and shells of blood clams can be used as a substitute for cement, coarse aggregates and fine aggregates. The purpose of this research is to determine the compressive strength of the variation of the percentage of fly ash substitution with cement and shells of blood clams with coarse and fine aggregates and the addition of superplasticizer to the compressive strength of concrete. The research is using experimental methods, test specimen samples will be tested for workability, density, and compressive strength. Variable in the research are (1) related variables : density and compressive strength, (2) independent variable : variation of 0%, 5%, 10%, and 15% of blood clam shell needs of the total weight of coarse aggregate. Based on the results of the research concluded that (1) Slump value of the samples 0%, 5%, 10%, and 15% consecutive is 97mm, 89mm, 151mm, 149mm. (2) density of concrete with substitution of blood clam shells with coarse aggregate with samples 0%, 5%, 10%, and 15% consecutive is 2284 Kg/m3, 2308 Kg/m3, 2297 Kg/m3, and 2293 Kg/m3. (3) Testing of concrete compressive strength at 28 days with substitution of blood clam shells with coarse aggregate with samples 0%, 5%, 10%, and 15% consecutive is 21.44 Mpa, 24.38 Mpa, 19.02 Mpa, and 19.34 Mpa. The composition of substitution of blood clam shells with coarse aggregate of 5% has a higher compressive strength than other compositions.

Analysis Performance and Service Satisfaction of Transjakarta Bus Passengers Due to Changes in Routes (Case Study: Purpose of Pertamina Plumpang Stop Via PGC Early Route Toll - Plumpang Pertamina Becomes PGC - Cempaka Putih) Tia Maharani
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 4 No 2 (2021): March 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v4i2.1348

Transjakarta served 189.77 million passengers in 2018 (Andapita, 2019). According to the Central Bureau of Statistics, the number of passengers increased by almost 31% in 2018. Corridor L 10a is one of the routes owned by Transjakarta with the initial route PGC 2 and the last stop at Tanjung Priok. Koridor L 10 has 8 stops and the total trip duration for this route is approximately 45 minutes (Transjakarta, 2019). This study aims to determine the performance of Transjakarta buses on route changes by referring to the data obtained in the COVID-19 pandemic condition and to determine the level of passenger satisfaction with changes in the Transjakarta L10a route. This research is a quantitative study using the state preference survey method. The survey was conducted by distributing questionnaires directly and google form which functions to collect data from passengers in the form of passenger performance and satisfaction with Transjakarta. The population in this study are customers or passengers of the new Transjakarta route L10a PGC 2 - Plumpang Pertamina. The sample selection method used was nonprobability sampling method with convenience sampling technique so that 110 respondents were obtained as samples. Data processing was performed using Excel and SPSS programs. The results of the research after analyzing the results data obtained through surveys and questionnaires, it can be concluded that satisfaction with Transjakarta bus services and fleets due to route changes is relatively high.

The Effect of Palm Fiber as a Material of Added Fiber and Charcoal Powder as Cement Subtitution Against Strong Concrete Press Acep Hidayat; Unggul Pratama
IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734 Vol 4 No 2 (2021): March 2021
Publisher : NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijti.v4i2.1352

Palm fibers are natural fibers that are difficult to rot because there is no decomposer that can decompose the fibers. In addition, in Indonesia there are a lot of palm plants where the fibers are taken from the tree. The charcoal briquette powder is the fine grains of briquette charcoal that is mashed and contains silica. This study aims to determine the effect of using palm fiber as an added material for fiber and charcoal briquette powder as a substitute for cement in the concrete mixture on the compressive strength of concrete. This study uses a mixture of palm fiber as much as 0.75 %, 1.50 %, 1.75 % and 2.75 % from the weight of fine aggregate, as well as charcoal briquettes powder 5 %, 5 %, 10 %, and 15 % of the weight of cement. The compressive strength test was carried out on the 7th, 14th, 21st, and 28th days. The highest compressive strength value was obtained in variation V.2 with a mixture of 2.75% palm fiber + 5% briquette charcoal powder on the 21st day of testing of 20.02 Mpa

Capital Structure Analysis Using The Theory of Pecking Order Approach on Usaha Mikro Berkah Collection Production in Surabaya Sava Nisa Nur Rahma
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.v5i01.1498

Capital structure is very important for optimizing and maintaining the company if the management in the capital structure is not right, it will result in failure in the business of a company. The method used in this study is a qualitative descriptive method and data analysis based on financial report data for the period 2017.2018,2019 as supporting data, to obtain clear and detailed images based on the data and information that has been obtained. The results showed that the optimal capital structure in 2017 resulted in 67%, in 2018 63%, and in 2019 60% was said to be quite good because the increasing debt had no effect on capital itself. Wacc in 2017 produced 5.19%, in 2018 6.16%, and in 2019 6.15% of the results showed positive and did not have a negative impact on the Berkah Collection Micro Business. The pecking order theory explains that the Berkah Collection Micro Enterprises often use internal capital first then use external capital. Umkm actors are advised to make deeper observations so that the capital structure is more optimal to find out the difference between own capital or capital

Analysis of Passenger Satisfaction with LRT Jakarta Services Route Velodrome - Boulevard Utara Muhammad Isradi; Muhammad Naufal Farhan; Andri Irfan Rifai; Amar Mufhidin; Joewono Prasetijo
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.v5i01.1499

One of the problems in the city of Jakarta is traffic jams which cause losses of up to 36 trillion rupiah per year. The efforts of the local government to unravel vehicle congestion are the construction of rail-based public transportation such as KRL, MRT and LRT which is integrated with public transportation in other cities. One of them is the new public transportation operating, namely the LRT (Light Rail Transit). In realizing the public transportation system in the city of Jakarta, it is hoped that the community will switch from private vehicles to integrated public transportation so that the Jakarta LRT manager must provide the best service in the operation of the Jakarta LRT. The objective of this research is to find out the level of service quality provided to consumers, it is necessary to analyze the quality of service so that people want to switch to using public transportation from private vehicles so as to reduce the number of vehicles on Jakarta city roads. In this analysis, it discusses the satisfaction of LRT passengers in Jakarta Velodrome Route - North Boulevard by comparing service performance and service satisfaction then processing it using the "Importance Performance Analysis" method so that we can find out the position of service factors according to priority levels based on the quadrants in the Cartesian diagram, then analyze it with the Validity Test, Reliability Test and Normality Test with a sample size of 100 respondents using the SPSS program. The results of the analysis show that service performance and passenger service satisfaction get an average rating achievement, for service performance of 4.08 out of 5.00 (very good) and service satisfaction of 4.13 out of 5.00 (very satisfied). The results of the validity test obtained more than 0.165 (valid data), the results of the Reliability test obtained Cronbach's Alpha results of more than 0.6 (reliable data) and the results of the normality test were more than 0.5 (data normally distributed).

Passenger Satisfaction Analysis on Bekasi Station Service Performance Widodo Budi Dermawan; Fadli Bimantara; Muhammad Isradi; Amar Mufhidin
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.v5i01.1500

Bekasi Station (BKS) is a large class C train station located on Jl. H. Juanda, Bekasi City at an altitude of +19 meters, including in Operation Area I Jakarta. This station serves thousands of commuter passengers to Jakarta and surrounding areas by KRL Commuter Line and there is a KRL depot to the west of the station. Bekasi Station is quite crowded. Therefore, it is very important to know how the current condition of Bekasi Station and the level of satisfaction of train service users to the performance of Bekasi Station services. This study uses Importance Performance Analysis (IPA) method and field survey method to conduct direct observations at the station to evaluate the condition of Bekasi Station which will be compared with Regulation of the Minister of Transportation No. PM 48 of 2015 concerning Minimum Service Standards for Transportation of People By Train at Stations. As well as the Regulation of the Minister of Transportation No. 29 of 2011 concerning the technical requirements of railway station building. Then to know about the performance of the service and the satisfaction of the passengers, it is necessary to spread the questionnaire. The results of the evaluation showed that the needs of the building area of basic activities and the width of the platform still meet the standards of the existing rules in the Regulation of the Minister of Transportation No. 29 of 2011. The average level of passenger satisfaction to the service and facilities of Bekasi Station is satisfied with the average performance level of the station which is good with an average score of 4.04 and an average - the average level of station performance is good with an average score of 4.05 from the highest score of 5.

Analysis of Sidewalk or Pedestrian Path Satisfaction Widodo Budi Dermawan; Hanayas Bagaskara; Muhammad Isradi; Amar Mufhidin
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.v5i01.1501

Increased mobility in DKI Jakarta area has resulted in the government having to make improvements to facilities or infrastructure especially in the transportation sector, but in the effort to increase this, the government is still siding with motorized vehicles compared to pedestrians..This study aims to determine the level of satisfaction and performance of pedestrian paths on pedestrian paths at Jalan Casablanca, South Jakarta, Kota Kasablanka Mall Area. This research method is carried out by direct survey to the research location in order to obtain pedestrian data such as the number of pedestrians, pedestrian speed, etc. Then also by distributing questionnaires to 100 respondents. The population taken in this study are people (sidewalk users) who pass or travel on foot along Jalan Casablanca, Jakarta Selata, Kota Kasablanka Mall Area. Data processing in this study used Microsoft Excel and SPSS version 24 and the methods used are Importance Performance Analysis (IPA) and Level Of Service. The results of data analysis using Importance Performance Analysis methode, it was found that the level of interest and satisfaction of pedestrians in Quadrant I which is given priority is the availability of facilities for the disabled and the elderly, order on pedestrian paths (street vendors, illegal parking, etc.), smooth travel, ease of walking. on the sidewalk, availability of trash cans. In Quadrant II what must be maintained are having lighting, paving conditions (not cracked / perforated, not slippery, etc.), sidewalk cleanliness, having traffic signs, having a barrier between the sidewalk and the road, adequate drainage channels, availability of stops / shelters, availability JPO (Pedestrian Bridge). In Quadrant III, the low priority is the availability of public telephones, availability of seats, neatness and regularity of the sidewalks. And in Quadrant IV, which is categorized as excessive, there is a sidewalk width of at least 3 meters, sidewalk slope (easily accessible), availability of shade trees, and accessibility between modes of public transportation. The results of the analysis of the road level with the LOS method get the LOS A category for the pedestrian space level. Then for the average pedestrian speed get the LOS B level on Monday and LOS C on Friday and Saturday. Then for the flow level get the LOS A category. And finally for the ratio assessment level get LOS A.

Analysis of Factors That Cause Accidents in The Construction of 6 Inner City Toll Sunandar Ali; Mohammad Sobirin; Rina Fatimah Agustin
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.v5i01.1502

Occupational safety and health factors greatly influence the number of work accidents for construction workers from a project. Ignoring these factors has been shown to result in high work accidents in construction projects. Therefore, this study aims to determine the dominant factors that cause work accidents to construction workers in the 6 Inner Toll Road Project. The stage of this research is a study of the various existing literature to determine the variables that will be used. The next stage is designing a research questionnaire and then collecting data by distributing questionnaires with the simple random sampling method. The data obtained from the questionnaire were processed using statistical calculation software and then explained through quantitative analysis and to determine the dominant factors that influence construction worker accidents, multiple linear regression analysis was used including validity and reliability tests, classical assumption tests, and regression tests. The results of this study indicate that the independent variables of the factors that influence construction worker accidents simultaneously and partially have a positive effect on the construction worker accident variable, where the influence of dominant variables is 0,009 X.P.5 , 0,008X. P.6 , 0,010X. P.11 , 0,002X. E.4 , 0,008X. E.5 , 0,004X. E.7 , 0,004X. R.7 , 0,008X. R.9 and 0,004X. R.13. So that if the independent variable increases, construction work accidents will increase.

Analysis of Customer Satisfaction on Service Quality of KRL Bogor-Jakarta Muhammad Isradi; Lensi Oktavia Stini; Widodo Budi Dermawan; Amar Mufhidin; Joewono Prasetijo
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.v5i01.1504

Bogor is an area that has the potential for economic growth and development, services and transportation. Bogor is a buffer area for the city of Jakarta, this has an impact on the growing need for transportation service providers to be used as a means of mobilization. Train is one type of mass transportation that is efficient and effective. The advantages of rail transportation are large capacity, relatively low cost, and fast time. The method used is to use a questionnaire that is distributed to passengers of the electric railroad transportation of the Bogor-Jakarta route. The data obtained were then processed using Ms. Excel and SPSS software for statistical testing. The results of the study show that the service quality attributes that are considered the most important by consumers of the Bogor-Jakarta KRL transportation are information, insurance, affordable ticket prices, and cleanliness of toilets at stations. The results of IPA are attributes that are considered important but their low performance is the accuracy of travel schedules, information, assistance in using tickets, speed and accuracy of responding to consumer problems, safety and comfort, insurance, toilet cleanliness. Meanwhile, the attributes that are declared important and good performance are the availability of information related to KRL schedules, friendliness and courtesy of officers, honesty and patience of officers, and ticket prices. The CSI result is known to be 71,241%, which means that consumers are "satisfied" with the Bogor - Jakarta KRL transportation service. The results of the Chi Square KRL Bogor-Jakarta test are gender, age, occupation, income, destination education, transportation to the station, frequency and days of use.

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Contact Name
-

Contact Email
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Phone
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Journal Mail Official
-

Editorial Address
-

Location
Kota surabaya,

Jawa timur

INDONESIA