徐州工程学院学报（自然科学版）2023，Vol.38Issue(4)：58-67,10.
海洋风化花岗岩崩解特性试验与离散元模拟研究
Experimental and Discrete Element Simulation Study on Disintegration of Marine Weathered Granite
摘要
Abstract
Aiming at the impact of water-soaked soft disintegration of weathered granite on construction safety during the construction of rock-socketed monopile foundations for offshore wind turbines,the disintegration tests of marine weathered granite were carried out by designing a disintegration test apparatus.The influence of granite weathering degree and solution pH on the disintegration of granite was investigated,and the mechanism of disintegration of marine weathered granite was revealed.Furthermore,a numerical simulation of the disintegration of weathered granite was implemented based on the discrete element method.The research results show that the weathering degree of granite has a significant impact on the rate and degree of its disintegration.As the weathering degree of granite increases,the degree of disintegration changes from no obvious disintegration to partial disintegration and complete disintegration.The loss of clay mineral cementation is the main reason for the disintegration of marine weathered granite.The reaction between metal oxides in weathered granite and acidic solutions leads to an increased degree of disintegration.The discrete element model established on the basis of parallel bonding contact model can simulate the entire process of disintegration of weathered granite.关键词
嵌岩桩/海洋风化花岗岩/崩解机理/胶结作用/离散元Key words
rock-socketed pile/marine weathered granite/disintegration mechanism/cementation/discrete element分类
建筑与水利引用本文复制引用
孙波,才昊,张琪..海洋风化花岗岩崩解特性试验与离散元模拟研究[J].徐州工程学院学报（自然科学版）,2023,38(4):58-67,10.基金项目
上海市自然科学基金项目(22ZR1435000) （22ZR1435000）
