期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2019
卷号：233
期号：3
页码：032020
DOI：10.1088/1755-1315/233/3/032020
出版社：IOP Publishing
摘要：Based on the large-scale pumping station project of Suining Second Station, the seismic design theory of large-scale pumping stations on soft foundation is studied in this paper. A 3D fluid-structure interaction simulation model of pumping station- foundation- water is established. It can simulate the soil dynamic characteristics of the foundation and the contact nonlinearity of the opening and closing between different structures during strong earthquakes. A semi - underground structure integrated design scheme is finally proposed in this paper: the steel plates pressed together are used to connect the pumping station body, the maintenance room and the control room. The scheme with a combination of the underground continuous wall, bolts and bored piles for foundation reinforcement is proposed. And then a similar semi - underground structure is constituted. It turns out the design scheme has greatly improved the seismic performance of the Suining Pumping Station and solved the key technical problems of the seismic design of large pumping stations on soft foundation.
