A dynamic construction method of a structure for improving the bearing capacity of the foundation

Abstract

The invention aims at providing a dynamic construction method for a structure for improving the foundation bearing capacity. The method can be used for well dealing with the abnormal changes of a foundation and comprises the steps that the reconnaissance step of general situation reconnaissance detection is conducted; the design step is conducted, wherein a standard structure for improving the foundation bearing capacity is designed and corresponding structures are preset according to a general situation reconnaissance detection result and a design load requirement, the standard structure comprises a conical block layer which is formed by a plurality of conical blocks which are transversely arranged side by side, and each conical block comprises a cone part and a pile foot part; the construction step is conducted, wherein firstly, dynamic reconnaissance detection is conducted while standard structure construction is conducted, and secondly, when the bias exists between general situation reconnaissance detection and dynamic reconnaissance detection in a certain area, the proper preset structure is selected, construction is conducted according to the proper preset structure, and the parameters of the conical blocks are changed in the preset structure compared with those in the standard structure.

Description

Technical field [0001] The invention relates to a construction method for foundation treatment. Background technique [0002] In the past, people know that there is a structure for improving the bearing capacity of the foundation with a cone-shaped block (commonly called "gyro pile" in the industry) layer, which includes a cone-shaped block layer, along the transverse direction, the cone-shaped block layer includes juxtaposed Multiple conical blocks, the conical block includes a cone and a pile foot. The structure used to improve the bearing capacity of the foundation is often constructed in this way. The survey and detection are carried out first, and then based on the survey and detection results, a standard design is carried out , And then carry out construction in accordance with the standard design. The disadvantage of this method is that the geological conditions of the foundation are not considered to be changeable. The survey and detection before construction are often d...

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that it does not consider that the geological conditions of the foundation are changeable. The survey and detection before construction is often different from the physical condition of the actual foundation under construction, but the standard design is basically not significantly modified during construction. As a result, The structure used to improve the bearing capacity of the foundation after construction often does not meet the requirements of the upper load, causing the settlement of the conical block to be too large, or the posture is out of shape, or deformed, resulting in an overall uneven settlement

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