Analysis of potential diverted of passenger car to the new toll road (case study: Cileunyi – Sumedang, West Java)

Prahara, Eduardi; Suangga, Made; Ansori, Ahmad Lutfi

doi:10.1088/1755-1315/109/1/012043

Cited by 2 publications

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“…12+628 -13+100 with a tunnel length of 472m and diameter of 14 m located in Cilengser, Sumedang, West Java. The use of the Cisumdawu Toll Road can save travel time, reduce fuel consumption, pollution, and is expected to reduce national road maintenance costs [1].…”

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confidence: 99%

Investigation of Twin Tunnel Deformation with Umbrella Grouting Protection & NATM Tunneling using 3D Finite Element: Case Study Cisumdawu Tunnel

Wijaya

Rahardjo

Lim

2021

UKaRsT

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Cisumdawu Tunnel is a twin tunnel 472 m long located in Sumedang. Twin tunnel construction can cause additional ground settlement and tunnel deformation. The tunnel construction method used is the New Austrian Tunneling Method (NATM) and umbrella grouting protection system. The principle of NATM is to maximize surrounding soil capacity to support its weight and balance the stresses around the tunnel. Investigation of tunnel deformation is important to know tunnel structure behavior and avoid possible failure. This research aims to know tunnel deformation and the effect of twin tunnel construction on the deformation and ground settlement. The data used such as tunnel geometry, monitoring data, pressuremeter test, and the drilling test. The 3D analysis will be performed for a single tunnel and twin tunnel using Midas GTS-NX, and monitoring data will be used for verification analysis. The 3D FEM help to model the soil condition and construction stage according to the actual condition. The analysis results show the maximum tunnel deformation that occurs from the beginning of the tunnel construction is 12.64cm. If the deformation starts to be calculated following the monitoring reading time, after the excavation at the monitoring point, the maximum deformation of the analysis results is 3.3&4.4cm, where the monitoring shows maximum deformation of 3.3&4.3cm. Through the results, it can be said that the analysis using 3D FEM with pressuremeter test parameter represents actual conditions. Twin tunnel construction side-by-side increases ground settlement and lateral tunnel deformation significantly. Hence, it shows that tunnel analysis using 3D FEM recommends for future investigation of tunnel deformation.

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confidence: 99%

Investigation of Twin Tunnel Deformation with Umbrella Grouting Protection & NATM Tunneling using 3D Finite Element: Case Study Cisumdawu Tunnel

Wijaya

Rahardjo

Lim

2021

UKaRsT

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“…In contrast with other studies in developed countries, Ardiyono, Parenrengi, and Faturachman (2018) found that toll road construction in Indonesia attracts a higher number of trips and that people tend to divert to the new toll road (Prahara, Suangga, & Ansori, 2018). However, these studies did not distinguish the effects of the toll road across population groups while, for example, low-income individuals are unlikely to travel via the toll road often and are quite sensitive to changes in travel cost.…”

Section: How Do Variations In Level Of Service (Los) Of the Cipularanmentioning

confidence: 78%

Toll Roads in Indonesia: Transport System, Accessibility, Spatial and Equity Impacts

Andani¹

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This long journey has finally come to an end. I am endowed with a tremendous amount of support and encouragement throughout my PhD study. It was an incredible journey in which I have learned so many things and have been matured in so many ways. Although I am solely responsible for what has been written in this thesis, completing this thesis has only been possible with the help of numerous people I met and interacted during this journey. First of all, I would like to express my gratitude to my supervisor and promotor, Prof. Karst Geurs. His high quality standard of academic research has pushed me forward. Without his endless motivation, this thesis might not be completed. I also want to thank him for finding a way for me to stay longer in the Netherlands and, thus, have more time to finish my study. I am further deeply grateful to my daily supervisor, Dr. Lissy La Paix, for a very close and constant supervision. Lissy, you are my role model as a researcher who could accomplish so many things at such a young age. I am very fortunate to have you as my daily supervisor, to whom I could always talk to, even in time I needed a friend. I would like to thank the members of the graduation committee for their willingness to be part of this committee and allowing me to defend my thesis. Many people at Institut Teknologi Bandung (ITB) also supported me during my PhD study. I would never be in this position without the help of Dr. Ibnu Syabri and Dr. Shanty Rachmat. I thank both of them for the supervision when I was about to start this project, during the fieldworks and for their contribution in one chapter of this thesis. I would like to thank Dr. Sri Maryati, my master supervisor, who informed me personally about this project when I just finished my master study. I would also like to extend my gratitude to all my colleagues in Regional and City Planning department at Institut Teknologi Bandung, Indonesia, for their full support. Furthermore, this thesis would never exist without the help of several people in particular during data collections: mbak Retno Wihanesta, my predecessor in this project, who helped me with the data collection and established important contacts, and helped me with some practical stuff when I started this project. Also Husna Tiara, who helped me with a lot of administrative stuff vi

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Analysis of potential diverted of passenger car to the new toll road (case study: Cileunyi – Sumedang, West Java)

Cited by 2 publications

References 0 publications

Investigation of Twin Tunnel Deformation with Umbrella Grouting Protection & NATM Tunneling using 3D Finite Element: Case Study Cisumdawu Tunnel

Investigation of Twin Tunnel Deformation with Umbrella Grouting Protection & NATM Tunneling using 3D Finite Element: Case Study Cisumdawu Tunnel

Toll Roads in Indonesia: Transport System, Accessibility, Spatial and Equity Impacts

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