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香港工程師學會岩土分部年度研討會: A Sustainable Approach to Marine Reclamations Using Local Dredged Marine Soils and Wastes: Soft Soil Improvement, Physical Modelling Study, and Settlement Prediction-Control (只有英文版本)

會議/講座

20220513_HKIE Annual Seminar

講者

殷建華教授、註冊工程師

摘要

 (只有英文版本)

Abstract

Housing is currently one of the burning social issues in Hong Kong. There is an urgent need for providing large areas of suitable lands for residential houses and other infrastructures. In 2018, the Hong Kong Government proposed a major reclamation project in Hong Kong waters, i.e., “Lantau Tomorrow” vision, the main concerns of which are the short supply of fill materials, long construction time, and high cost. To tackle these concerns, Ir Prof. Jian-hua Yin and his team have proposed to use local dredged Hong Kong Marine Deposits (HKMD) and construction wastes to fill a reclaimed area on the seabed in a major Research Impact Fund project in 2019 with HK$15M funding. The use of local HKMD and construction wastes can significantly save the costs for fill material and shorten the construction time. In this talk, successful reclamation projects using soft soils will be briefly introduced. The state-of-the-art research findings in PolyU, including the results from two ongoing physical model tests, turning construction wastes into the competent filling materials, and a well-verified new simplified Hypothesis B method for predicting soft soil settlements will also be presented. Lastly, the methodologies for controlling the post-construction settlement will be discussed.

The full programme can be downloaded from here.

講者

殷建華教授、註冊工程師

土地及空間研究院管理委員

土力學講座教授

土木及環境工程學系

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