Shield tunnel-shaft joint has caused problems in use which has different soil condition and boundary condition according to structure type. For solving this problems we developed joint reinforcing and inflow water cut-off system which can ensure stability of shield tunnel-shaft and reduce costs of maintenance.

• 김기중(㈜세니츠코퍼레이션, 대표이사) | Kim, Ki Jung
• 강지훈(㈜세니츠코퍼레이션, 부장) | Kang, Ji Hoon Corresponding author