Design Modification and Virtual Assembly Simulation of a TBM Erector for Helical Segments

Hong-Seok Lee; Joo-Young Oh; Jung-Woo Cho

doi:10.7474/TUS.2025.35.2.135

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2025 Vol.35, Issue 2 Preview Page Next Page

Original Article

Design Modification and Virtual Assembly Simulation of a TBM Erector for Helical Segments 헬리컬 세그먼트 조립을 위한 TBM 이렉터 개조설계 및 가상조립 시뮬레이션

30 April 2025. pp. 135-148

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Abstract

This study focuses on modifying the existing erector system for continuous shield TBM (Tunnel Boring Machine) excavation to enable the installation of helical segments. First, the degrees of freedom (DOF) of conventional erectors currently in use were analyzed, and the feasibility of assembling helical segments was evaluated. Additional DOF required for helical segment assembly were identified, and a modification method for the erector was proposed. Based on this analysis, a three-dimensional design model of the modified erector was developed. Furthermore, a detailed assembly scenario for helical segments was established, and a dedicated program was created to detect contact and collision between equipment and segments during the assembly process. Using this virtual simulation, the performance of the modified erector in assembling helical segments was verified.

Keywords

Helical segment

Erector modification

Degrees of Freedom (DOF)

Collision detection

Virtual simulation of segment assembly

본 논문에서는 쉴드TBM의 연속굴착을 위해서 기존의 이렉터를 헬리컬 세그먼트용으로 개조하는 연구를 진행했다. 현재 일반적으로 사용되는 이렉터의 자유도를 검토하고, 헬리컬 세그먼트의 체결 가능성을 분석하였다. 그리고, 헬리컬 세그먼트를 체결하기 위해 추가적으로 필요한 자유도를 분석하고, 개조방법을 제시하였다. 이를 토대로 개조된 이렉터의 3차원 설계도를 제작하였다. 헬리컬 세그먼트의 체결 시나리오를 구성한 후, 장비와 객체간의 접촉, 충돌을 인식하기 위한 별도 프로그램을 작성하였다. 개조된 이렉터의 성능을 해당 프로그램을 이용한 가상체결 시뮬레이션을 수행하여 검증하였다.

키워드

헬리컬 세그먼트

이렉터 개조

자유도

충돌감지

가상체결해석

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Information

Publisher :Korean Society for Rock Mechanics and Rock Engineering
Publisher(Ko) :한국암반공학회
Journal Title :Tunnel and Underground Space
Journal Title(Ko) :터널과 지하공간
Volume : 35
No :2
Pages :135-148
Received Date : 2025-03-22
Revised Date : 2025-03-31
Accepted Date : 2025-04-02
DOI :https://doi.org/10.7474/TUS.2025.35.2.135

Tunnel and Underground SpaceISSN:1225-1275(Print) 2287-1748(Online)한국암반공학회

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