1.0Robbinshttps://www.robbinstbm.com/zh-hans/Use of Two Novel Hybrid-Type “Crossover” TBMs for Hard Rock Conditions with Water Inflows - Robbinsrich600338<blockquote class="wp-embedded-content" data-secret="qhgMQPLjl8"><a href="https://www.robbinstbm.com/zh-hans/crossover-tbms/">Use of Two Novel Hybrid-Type “Crossover” TBMs for Hard Rock Conditions with Water Inflows</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.robbinstbm.com/zh-hans/crossover-tbms/embed/#?secret=qhgMQPLjl8" width="600" height="338" title="“Use of Two Novel Hybrid-Type “Crossover” TBMs for Hard Rock Conditions with Water Inflows” — Robbins" data-secret="qhgMQPLjl8" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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https://www.robbinstbm.com/wp-content/uploads/2017/04/3_Crossover_WhitePapers.jpg900675Mixed ground tunnels come in all kinds. In rock tunnels with possible faults and high pressure water, the challenges are many. With the advent of Crossover TBMs, contractors can minimize risk in such conditions while maximizing efficiency.