Abstract
With rapid development of transport infrastructure in China, expressway tunnels had exceeded 17, 000km by 2018. Tunnel projects are entering operation and maintenance periods. Tunnel operation and maintenance face serious distresses that compromise operation safety. It is urgent to develop long-term monitoring technology of tunnel structure safety and typical diseases, and develop relevant products to ensure the safety of tunnel operation. In this paper, a long-term monitoring system for operating tunnel structural safety and typical diseases is developed by analyzing the characteristics of tunnel diseases and studying the key technical problems of long-term online monitoring for structural safety. It has achieved good engineering application results, realized long-term online monitoring and early warning for operating tunnel structural safety and typical diseases, and ensured the safety of tunnel operation.
Published Version
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