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List of products by author: S. Wang
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Effect of soil conditioning on the ground response during EPB shield tunneling in sandy ground
Abstract: Earth pressure balance shield is widely used in recent years for safety and high efficiency in the process of urban subway construction. However, there are some problems in the engineering application. For example, the ground response of excavation face is one of the major problems, which affect the security and stability of adjacent buildings and other structures. The problem of excavation...
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Evaluating the damage of adjacent framed buildings induced by tunnel construction in soil ground
Abstract: Urban tunnel construction may lead damage to the adjacent surface buildings. Empirical method usually oversimplified the surface structure as an equivalent elastic beam which cannot characterize the realistic behaviour of framed building due to frame action. In this study, numerical analyses were carried out to investigate the damage mechanism of fully infilled framed building with opening in...
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Soil Conditioning for Shield Tunneling in Argillaceous Siltstone in Nanchang Metro Line 1, China
Abstract: Nanchang Metro Line 1, China was mainly excavated through argillaceous siltstone in some sections. Soil clogging happened in the early construction stage, and so deep investigation was carried out in another section of the metro line to avoid the soil clogging. Based on mineral-ogy investigation, the content of clay minerals is 40.5% in the argillaceous siltstone (kaoline 27.8%, illite 8.3%,...
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Variations of Atterberg Limits of Clays and Their Chemical Mechanism Due to Soil Conditioning
Abstract: To determine of ideal type and content of soil conditioners for earth pressure balance (EPB) shield tunneling in clayey ground, this study investigates effects of soil conditioners on Atterberg limits of clays and conditioning mechanism based on their chemical effects. The applicability of soil conditioners (including foam and dispersant) was determined based on the changes of Atterberg limits...
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