Deep foundation pit support and removing method thereof

Abstract

The invention provides a deep foundation pit support and a removing method of the deep foundation pit support, and belongs to the field of building construction. The deep foundation pit support comprises a plurality of sections of concrete cubic blocks and a plurality of reinforcing steel bars. Every two adjacent concrete cubic blocks are bonded through a sulphide mastic interlayer. The reinforcing steel bars penetrate through the concrete cubic blocks and the sulphide mastic interlayers. An electric heater is pre-buried in each sulphide mastic interlayer. The removing method of the deep foundation pit support comprises the steps of (1) starting the electric heaters to heat the sulphide mastic interlayers, (2) when the sulphide mastic interlayers are heated to become soft, removing the sulphide mastic interlayers to expose the reinforcing steel bars penetrating through the adjacent concrete cubic blocks, (3) cutting off the reinforcing steel bars between the adjacent concrete cubic blocks to enable the adjacent concrete cubic blocks to be mutually separated, and (4) lifting out the concrete cubic blocks from a deep foundation pit. When the deep foundation pit support and the removing method of the deep foundation pit support are used, the removing cost of the deep foundation pit support can be effectively reduced on the premise that the removing efficiency and environmental protection are kept.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a deep foundation pit support and a removal method thereof. Background technique [0002] Deep foundation pit support refers to the support, reinforcement and protection measures adopted for the side wall of deep foundation pit and the surrounding environment in order to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit. With the rapid development of my country's economy, the urban space is becoming more and more dense, especially the coastal development cities. The number of deep foundation pit projects encountered is increasing day by day, and most of them are located in the downtown area of ​​the city. In this way, the requirements for the support structure of the foundation pit are becoming more and more stringent and higher. The internal support can meet the requirements of foundation pit deformation contr...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a deep foundation pit support and its dismantling method to solve the problems that the existing deep foundation pit support dismantling technology has a great impact on the environment and high dismantling costs, so as to achieve the purpose of environmentally friendly and efficient demolition

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