Building foundation construction method under complex geological conditions: Fid-Bau Portal

Building foundation construction method under complex geological conditions

XU SHOUFEI / HU YUFU / LI TONG / GUO YINSHENG / LU XIAOXU / HAO QINGNAN

The invention relates to the technical field of foundation construction, and provides a building foundation construction method under complex geological conditions. The method comprises the following steps: S1, sampling and detecting land by using equipment, and comprehensively analyzing soil layer, underground water level and geological risk; s2, a foundation pit geometrical shape and a supporting scheme are designed according to an exploration result, and construction safety is ensured; s3, an underground descending well is set up to lower the underground water level of the construction area; s4, a deep mixing pile is adopted for foundation reinforcement, and the bearing capacity of a soil body is improved; s5, the soil body is improved, and the soil strength and stability are improved; and S6, the foundation pit is monitored in real time, and the displacement, the underground water level and the soil pressure of the foundation pit are monitored. By adopting an advanced geological detection technology, the properties of underground soil and rocks can be accurately evaluated before construction, and the measure can find potential geological hidden dangers in time, so that corresponding safety measures are formulated, the risk in the construction process is reduced, and the safety of constructors is ensured.

本发明涉及地基施工技术领域，提供了一种复杂地质条件下的建筑地基施工方法，包括以下步骤；S1、使用设备对土地进行采样与检测，综合分析土层、地下水位及地质风险；S2、根据勘探结果设计基坑几何形状及支护方案，确保施工安全；S3、设立地下降水井，以降低施工区域地下水位；S4、采用深层搅拌桩进行地基加固，提升土体承载能力；S5、对土体进行改良，提升土壤强度与稳定性；S6、对基坑实时监测，监测基坑位移、地下水位及土壤压力。通过采用先进的地质探测技术，可以在施工前准确评估地下土壤和岩石的性质，这一措施能够及时发现潜在的地质隐患，从而制定相应的安全措施，降低施工过程中的风险，确保施工人员的安全。

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