盾構(gòu)隧道施工對(duì)淺基礎(chǔ)建筑物影響研究
[Abstract]:Combined with Shenzhen Metro Line 7 passing through four buildings with 2-story shallow foundation (2-story sintered brick foundation), the influence law of shield construction on shallow foundation building was studied by numerical simulation method and field monitoring data. By analyzing the influence of shield tunneling on the settlement of the ground surface, the key observation points of the building and the stress of the foundation of the building, the results of the shield tunneling are compared with the field monitoring results. The results show that the ground subsidence near the tunnel side is larger than that near the far side. The soft and hard degree of formation has a great influence on the settlement of surface buildings, especially when the interface of soft and hard strata is located under the same building, which will cause the difference of settlement of building points. The result of numerical simulation is larger than that of monitoring data, so it can be used for reference in construction to predict the deformation of building in controllable range.
【作者單位】: 西南交通大學(xué)交通隧道工程教育部重點(diǎn)實(shí)驗(yàn)室;中國水利水電第十一工程局有限公司;
【分類號(hào)】:U455.43
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