Basement structure based on foundation pit supporting and construction method thereof

Abstract

The invention relates to the technical field of building construction, and discloses a basement structure based on foundation pit supporting. The basement structure comprises a basement outer wall, asupport pile, a foundation pit support beam, and a water stop steel frame; the support pile is arranged at the outer side of the basement outer wall; the foundation pit support beam penetrates throughthe basement outer wall and is connected with the basement outer wall and the support pile; the foundation pit supporting beam comprises a plurality of first reinforcing steel bars; the water stop steel frame is located at the joint of the foundation pit supporting beam and the basement outer wall and fixedly connected with the first reinforcing steel bars; the inner circumferential wall of the water stop steel frame is embedded into the foundation pit supporting beam; and the outer circumferential wall of the water stop steel frame protrudes out of the outer circumferential wall of the foundation pit supporting beam. Based on the basement structure based on foundation pit supporting, the water stop steel frame can effectively resist underground water with certain pressure, and a water seepage path is greatly prolonged in the process that the underground water permeates into a room along a gap between the supporting beam and the basement outer wall, so that the water seepage risk is reduced, and therefore the maintenance cost of the basement outer wall is reduced; and the water stop steel frame is simple in structure, convenient to use, and easy to manufacture and install.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a basement structure based on foundation pit support. The invention also relates to a construction method of the basement structure based on foundation pit support. Background technique [0002] The foundation pit support is to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, and the support, reinforcement and protection measures are adopted for the side wall of the foundation pit and the surrounding environment. During the construction of the basement, operators usually need to build row piles outside the outer wall of the basement for pile row support to strengthen the foundation. The row pile support is usually composed of support piles, supports and anti-seepage curtains. In foundation pit support, foundation pit support beams are generally used to support the foundation pit. When the foundation ...

AI Technical Summary

Problems solved by technology

In foundation pit support, foundation pit support beams are generally used to support the foundation pit. When the foundation pit support beams in the basement pass through the basement exterior wall and connect with the support piles, there are construction joints at the connection between the support beam and the basement exterior wall. There is a risk of water seepage

[0003] The existing construction method generally uses cement slurry to smooth the connection, but the basement structure formed by this treatment method cannot resist the groundwater with a certain pressure, and there is still a risk of water seepage. Once the groundwater passes along the supporting beam and the basement The gaps between the exterior walls seep into the interior, which can easily lead to the failure of repairing the exterior walls of the basement, resulting in high maintenance costs

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