Browsing Norwegian Geotechnical Institute (NGI) Digital Archive by Author "Zhang, Youhu"
Now showing items 1-6 of 6
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A multi-spring model for monopile analysis in soft clays
Fu, Dengfeng; Zhang, Youhu; Aamodt, Kristoffer Knoph; Yan, Yue (Peer reviewed; Journal article, 2020)The offshore wind industry in China has seen a rapid development in recent years and is projected to account for half of global yearly installed capacity in the years to come. Monopiles are a popular foundation solution ... -
A procedure for predicting the permanent rotation of monopiles in sand supporting offshore wind turbines
Page, Ana M.; Klinkvort, Rasmus Tofte; Bayton, Steven; Zhang, Youhu; Jostad, Hans Petter (Peer reviewed; Journal article, 2020)Foundations for Offshore Wind Turbines (OWTs) are designed following the limit state philosophy. One of the considered states is the Serviceability Limit State (SLS), which verifies that the permanent rotation of the ... -
Design considerations of suction caisson foundations for offshore wind turbines in Southern China
Liu, Bo; Zhang, Youhu; Ma, Zhaorong; Andersen, Knut H; Jostad, Hans Petter; Liu, Donghua; Pei, Aiguo (Peer reviewed; Journal article, 2020)Suction caisson foundations are increasingly considered as a foundation solution for offshore wind farm development in China. This paper outlines the design considerations for developing a suction caisson supported jacket ... -
Drainage conditions around monopiles in sand
Li, Shuzhao; Zhang, Youhu; Jostad, Hans Petter (Journal article; Peer reviewed, 2019)Large diameter monopiles are typical foundation solutions for offshore wind turbines. In design of the monopile foundations in sand, it is necessary to understand the drainage conditions of the foundation soil under the ... -
Site-specific soil reaction model for monopiles in soft clay based on laboratory element stress-strain curves
Lai, Yongqing; Wang, Lizhong; Zhang, Youhu; Hong, Yi (Peer reviewed; Journal article, 2020)Large-diameter monopiles are the predominant foundation solution for supporting offshore wind turbines. They are conventionally designed using soil reaction curves developed for long slender piles used for supporting ... -
Verification of a framework for cyclic p-y curves in clay by hindcast of Sabine River, SOLCYP and centrifuge laterally loaded pile tests
Zhang, Youhu; Andersen, Knut H; Jeanjean, Philippe (Peer reviewed; Journal article, 2020)Pile foundations supporting offshore structures, such as jacket platforms, are subjected to cyclic lateral loading. The capacity and deformation of these pile foundations under cyclic lateral loading are important and ...