Rectangular steel boxes for uniform-thickness cement-soil stirring wall and construction method

Abstract

The invention relates to rectangular steel boxes for uniform-thickness cement-soil stirring wall and a construction method. A plurality of rectangular steel boxes are connected into a whole through connecting steel plates and inserted into a cement-soil wall body, so that an underground cement-soil continuous wall body can be formed and serves as an envelope structure body of a foundation pit; therectangular steel boxes are manufactured through welding, the connecting steel plates are correspondingly welded to both sides of the rectangular steel boxes, female connectors are welded to the connecting steel plates on one side, and male connectors are welded to the connecting steel plates on the other side; and the adjacent connecting steel plates of the rectangular steel boxes are connectedin a matching manner through the female connectors and the male connectors which are welded to the connecting steel plates, the underground water seepage path is extended through the female connectorsand the male connectors of the rectangular steel boxes, and the leakage of water in the foundation put can be reduced. By the adoption of the rectangular steel boxes provided by the invention, the wall body rigidity of the cement-soil stirring wall can be improved; the wall body water-stopping effect can be improved; the deformation of the foundation pit can be reduced; the influence on the surrounding environment can be reduced; and the great economic benefits and social benefits can be achieved.

Description

Technical field [0001] The invention relates to a construction method of an underground engineering foundation pit, in particular to a steel box inserted in a cement-soil mixing wall of equal thickness and a construction method thereof. Background technique [0002] The H-shaped steel inserted in the cement-soil mixing wall is a kind of environmental protection and reliable quality in the construction of deep foundation pits. It has high work efficiency and fast construction speed. After the construction is completed, the core material can be partially recycled, which has good economic benefits. It has obvious advantages in supporting deep foundation pits at a certain depth. However, when the foundation pit is deep, the rigidity of the general H-shaped steel is small, which will cause the deformation of the foundation pit to be larger, and the use is limited under certain environmental conditions. Moreover, the conventional steel-cement-soil mixing wall has a circular cross-secti...

AI Technical Summary

Problems solved by technology

However, when the foundation pit is deep, the general H-shaped steel has low rigidity, which will cause large deformation of the foundation pit, and its use is limited under certain environmental conditions. The utilization rate is also relatively low

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