Deep foundation pit supporting structure and deep foundation pit construction method: Fid-Bau Portal

Deep foundation pit supporting structure and deep foundation pit construction method

YAO JIANPING / YANG MEI / YAO JUN / FENG WEI / TANG YU / HUANG RUWEI

The invention discloses a deep foundation pit supporting structure and a deep foundation pit construction method.The deep foundation pit supporting structure comprises symmetrical fixing bases installed on the edge ground of a deep foundation pit, and a slope supporting mechanism is arranged between the opposite sides of the fixing bases and used for covering and supporting the slope face of the deep foundation pit; the slope supporting mechanism comprises an overturning rotating shaft rotationally installed in the front fixing base. The invention relates to the technical field of deep foundation pit supporting. According to the deep foundation pit supporting structure and the deep foundation pit construction method, by arranging the slope supporting mechanism and utilizing driving operation of a pneumatic assembly, a turnover rotating shaft drives a supporting plate to conduct supporting operation on a slope, an upper linkage assembly is matched to drive an inserting and fixing unit to be always kept in a vertical state, and therefore fixing after supporting operation is completed; and the installation position at the bottom can be kept in a vertical state all the time before fixing, supporting and fixing operation on the deep foundation pit step slope is improved, and the safety of subsequent deep foundation pit excavation is improved.

本发明公开了一种深基坑支护结构及深基坑施工方法，包括安装在深基坑边缘地面相对称的固定座，所述固定座的相对侧之间设置有斜坡支护机构用于对深基坑的斜坡面进行覆盖支撑，所述斜坡支护机构包括转动安装在前固定座内部的翻转转轴，本发明涉及深基坑支护技术领域。该深基坑支护结构及深基坑施工方法，通过设置有斜坡支护机构，利用气动组件的驱动操作，使得翻转转轴带动支护板对斜坡进行支护操作，配合上联动组件带动插固单元始终保持竖直状态，以此完成支护操作后的固定，使得固定前可以保持底部的安装处始终为竖直状态，提高对深基坑阶层斜坡处的支护和固定操作，提高后续深基坑挖掘的安全性。

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