Abstract
The characteristics of super high-rise buildings are the great height, heavy load, and big settlement. The loads are delivered to the subgrade through foundations, and introduce stress diffusion in the subgrade. For the reason that the subgrade is compressible, deformation, whose main component is vertical deformation, is produced in the subgrade under the action of induced stress, then the settlement or inclination of foundation are induced to super-high buildings. The values of deformation depend on the physical and mechanical properties of subgrade and loads, and is also related to the area, depth of foundation and the shoring structures of the pit. Even foundation settlement of super high-rise buildings has little influence on the safety of structures, but excessive settlement would affect the function and appearance, especially for elevators, pipelines and equipments. If foundation settlement is uneven, the crack, distortion or inclination might be induced, which will affect structure’s safety and even results in collapse when serious. This kind of collapse happens both home and abroad. So the problem of subgrade deformation must be carefully researched and considered, and the settlement must be accurately predicted when constructing super high-rise buildings.
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Chen, X. (2011). Theoretical Analysis of Subgrade Deformation of Deep Foundations of Super High-Rise Buildings. In: Settlement Calculation on High-Rise Buildings. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-15570-3_4
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DOI: https://doi.org/10.1007/978-3-642-15570-3_4
Publisher Name: Springer, Berlin, Heidelberg
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