Basement bottom plate structure

Abstract

The invention relates to a basement bottom plate structure. The basement bottom plate structure comprises a bottom plate body; a reserved hole and a cavity are formed in the bottom plate body; the cavity is communicated with the reserved hole through a channel; the reserved hole is gradually reduced from top to bottom; and the cavity, the reserved hole and the channel are subjected to post-plugging in a mode of pouring a micro-expansion concrete layer. The problem that after the micro-expansion concrete layer shrinks due to cold, water seepage is prone to occurring at the joint of the micro-expansion concrete layer and a basement bottom plate is improved.

Description

technical field [0001] The present application relates to the field of building construction, in particular to a basement floor structure. Background technique [0002] At present, the outer walls and base plates of the basement are all deeply buried in the ground, and are infiltrated by water in the soil and groundwater. Before the construction of the base plates of many underground two to three floors, precipitation treatment will be done. If the groundwater is of submerged type, it must be backfilled during the construction of the floor cushion after it has been drained. If the groundwater is pressurized water with a large permeability coefficient, the underground drainage well must be kept and pumped normally until the construction of the post-casting belt is completed. The well will be closed during the concrete curing period. [0003] Since the drainage well is sealed after the concrete curing period, the concrete that is finally sealed at the basement floor cannot fo...

AI Technical Summary

Problems solved by technology

[0005] In order to improve the problem of water seepage at the connection between the post-blocking concrete and the basement floor after it shrinks due to cold, the application provides a basement floor structure

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