IN-SITU WALL CONCRETE QUALITY USING VELOCITY FIELD-DEPENDENT MIGRATION IN ZIGANA AND TORUL TUNNELS

Işıl Sarıçiçek; Aysel Şeren

IN-SITU WALL CONCRETE QUALITY USING VELOCITY FIELD-DEPENDENT MIGRATION IN ZIGANA AND TORUL TUNNELS

Abstract

In the scope of this study, the old Zigana and newly-built Torul Tunnels on an important transportation route were selected as the study areas. As the main purpose, monitoring of the distortions in the sidewall concrete lining of the Zigana and Torul tunnels were evaluated by using Diffraction 2D-velocity and Kirchhoff 2D-velocity migrations. Firstly, an artificial radargram was created based on the Finite Difference Time Domain method by taking the model of a tunnel wall structure. Then, for the results obtained from the model, a single velocity value was defined and the migration results were compared. However, as known to all, the outcome of migration by defining a single velocity value from radargrams with too many reflections do not give accurate results. Therefore, the Diffraction 2D-velocity and Kirchhoff 2D-velocity migrations were applied to these radargrams based on the velocity fields and their results were compared. Thus, we suggested that Diffraction 2D-velocity migration gives better results than those of the other in terms of focusing and resolution. When the amplitude slice maps obtained after applying Diffraction 2D-velocity were evaluated, it was observed that deteriorations in the structure continued up to a depth of 75 cm. However, the other type of migration is not very successful to move the distortions to their correct positions after a depth of 37 cm. Thus, in order to apply the migration results correctly, it is recommended to use velocity field.

Keywords

References

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Details

Primary Language

English

Subjects

Engineering

Journal Section

Research Article

Authors

Işıl Sarıçiçek This is me
0000-0003-0926-8583
Türkiye

Aysel Şeren This is me
0000-0003-1134-061X
Türkiye

Publication Date

June 1, 2021

Submission Date

January 24, 2020

Acceptance Date

May 25, 2020

Published in Issue

Year 2020 Volume: 38 Number: 2

IZ

https://izlik.org/JA79GA26JH

Cite

RIS / Bibtex

APA

Sarıçiçek, I., & Şeren, A. (2021). IN-SITU WALL CONCRETE QUALITY USING VELOCITY FIELD-DEPENDENT MIGRATION IN ZIGANA AND TORUL TUNNELS. Sigma Journal of Engineering and Natural Sciences, 38(2), 979-993. https://izlik.org/JA79GA26JH

AMA

1.Sarıçiçek I, Şeren A. IN-SITU WALL CONCRETE QUALITY USING VELOCITY FIELD-DEPENDENT MIGRATION IN ZIGANA AND TORUL TUNNELS. SIGMA. 2021;38(2):979-993. https://izlik.org/JA79GA26JH

Chicago

Sarıçiçek, Işıl, and Aysel Şeren. 2021. “IN-SITU WALL CONCRETE QUALITY USING VELOCITY FIELD-DEPENDENT MIGRATION IN ZIGANA AND TORUL TUNNELS”. Sigma Journal of Engineering and Natural Sciences 38 (2): 979-93. https://izlik.org/JA79GA26JH.

EndNote

Sarıçiçek I, Şeren A (June 1, 2021) IN-SITU WALL CONCRETE QUALITY USING VELOCITY FIELD-DEPENDENT MIGRATION IN ZIGANA AND TORUL TUNNELS. Sigma Journal of Engineering and Natural Sciences 38 2 979–993.

IEEE

[1]I. Sarıçiçek and A. Şeren, “IN-SITU WALL CONCRETE QUALITY USING VELOCITY FIELD-DEPENDENT MIGRATION IN ZIGANA AND TORUL TUNNELS”, SIGMA, vol. 38, no. 2, pp. 979–993, June 2021, [Online]. Available: https://izlik.org/JA79GA26JH

ISNAD

Sarıçiçek, Işıl - Şeren, Aysel. “IN-SITU WALL CONCRETE QUALITY USING VELOCITY FIELD-DEPENDENT MIGRATION IN ZIGANA AND TORUL TUNNELS”. Sigma Journal of Engineering and Natural Sciences 38/2 (June 1, 2021): 979-993. https://izlik.org/JA79GA26JH.

JAMA

1.Sarıçiçek I, Şeren A. IN-SITU WALL CONCRETE QUALITY USING VELOCITY FIELD-DEPENDENT MIGRATION IN ZIGANA AND TORUL TUNNELS. SIGMA. 2021;38:979–993.

MLA

Sarıçiçek, Işıl, and Aysel Şeren. “IN-SITU WALL CONCRETE QUALITY USING VELOCITY FIELD-DEPENDENT MIGRATION IN ZIGANA AND TORUL TUNNELS”. Sigma Journal of Engineering and Natural Sciences, vol. 38, no. 2, June 2021, pp. 979-93, https://izlik.org/JA79GA26JH.

Vancouver

1.Işıl Sarıçiçek, Aysel Şeren. IN-SITU WALL CONCRETE QUALITY USING VELOCITY FIELD-DEPENDENT MIGRATION IN ZIGANA AND TORUL TUNNELS. SIGMA [Internet]. 2021 Jun. 1;38(2):979-93. Available from: https://izlik.org/JA79GA26JH