Study on land subsidence under different plot ratios through centrifuge model test in soft-soil territory
2012
Tang, Yi Qun | Ren, Xingwei | Chen, Bin | Song, Shoupeng | Wang, Jian Xiu | Yang, Ping
Since the mid-1990s, multi-storied buildings, high-rise buildings and skyscrapers have been emerging due to the new round of great-scale development on the soft-soil littoral. Land subsidence in soft-soil areas caused by engineering environmental effect, especially by construction of high-dense building groups, attracts more and more attention. The plot ratio may be one of the most important factors on engineering-induced land subsidence. Thus, three geotechnical centrifugal model tests were conducted under three conditions of different plot ratios to study the ground settlement mechanism of high-dense building groups in soft-soil territory. It is concluded that the subsidence superimposition effect is obvious in the central area of high-dense building groups; the settlement increases with the growth of plot ratio. The urban planning department should take this subsidence situation into account when determining the construction plot ratio to utilize the earth more aptly and safely.
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