Construction method for earthwork external transportation of super-deep foundation pit

Abstract

The present application relates to the field of building construction technology, especially to a construction method for earthwork external transportation of super-deep foundation pit. The construction method comprises the following steps: constructing a vertical retaining wall supporting structure at the position of the original slope top of the foundation pit; constructing a soil foundation ramp at one side edge of the foundation pit; and constructing a trestle ramp at the center of the foundation pit, which is connected with the soil foundation ramp and serves as the main outlet channel. The present application solves the problem of too large occupation of the earthwork ramp of the narrow deep foundation pit, which affects the subsequent process, by adopting the U-shaped earthwork ramp, i.e. the soil foundation plus the trestle earthwork mode. The problem of the earthwork ramp of the narrow foundation pit failing to reach the bottom at one time is solved by adopting the arrangement mode of the U-shaped ramp. The present application has the characteristics of high efficiency, excellent quality, safety and reliability, and provides a good experience reference for similar projects, and has received consistent good comments from the construction unit and the supervision unit. The present application also plays a standard demonstration role in the industry and has significant social benefits.

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