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List of products by author: Y. Ma
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Criteria for Describing the Arch Effect of Weak Surrounding Rock in Super-large-section Tunnels
Abstract: A custom-made wooden excavating device with pull-out and jacking functions achieved precise control of the excavating contour and simulation of the support. In the model tests, the progressive development of the arched collapse area in the weak surrounding rock was obtained with this device when excavating a super-large-section tunnel with the double-side pilot method. In previous studies the...
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Development of Deep Drainage Tunnel Systems in China
Abstract: With the rapid urbanization in China in recent years, the existing urban drainage infrastructures can no longer meet the required flood protection standard to safeguard people’s lives and properties. City inundation (termed as “waterlogging” in China) by excessive stormwater while pollution caused by combined sewer overflow (CSO) are threatening and restricting urban transformation. From 2012...
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