Underground preburied column high-precision smart verticality-regulating system and mounting construction method

Abstract

The invention discloses a high accuracy intelligent verticality adjusting system for controlling pillar body verticality pillar by pillar for foundation pit middle vertical support system in foundation pit top-down construction process, and its installation method, main using computer control system, regulating levels of three special moment beams arranged at the pillar end by hydraulic device, so as to achieve the purpose of regulating pillar verticality. And it can make preburied pillar verticality up 1 / 500 and preburied pillar center deviation less than 10mm. and it has features of simple structure, adjusting convenience, high verticality adjusting accuracy, high verticality adjusting efficiency, reusable, effectively saving construction cost and improving economic benefits. And all its parts organically cooperate to be able to form a monitoring and verticality adjusting all-course intelligent closing construction monitoring automation system.

Description

technical field [0001] The invention relates to a high-precision intelligent vertical adjustment system for underground pre-buried columns and its installation and construction method. Specifically, it refers to the vertical support system in the middle of the foundation pit. Vertical adjustment system for verticality control. Background technique [0002] The intermediate support column in the construction process of the deep foundation reverse method (hereinafter referred to as the support column) is a temporary structural member that replaces the engineering structural column during the construction process of the reverse method. It mainly supports the completed main structure and the construction load. . After the construction of the underground structure is completed, the support and row columns are generally outsourced with concrete as the permanent structural support columns of the basement. Therefore, the accuracy of the positioning and verticality of the columns m...

AI Technical Summary

Problems solved by technology

However, the adjustment range of the airbag is limited. If the distance between the support column and the hole wall is too large, the support column cannot be adjusted to the design requirement. In addition, the airbag is often made of canvas, which is easily broken by the steel bar during the actual construction process.

The correction frame method is the most economical and practical method among several vertical adjustment methods, but it can only be used for vertical adjustment of support columns with high rigidity (steel pipe columns, etc.). If the stiffness is small (such as lattice columns, etc.), the upper When the torque is applied, the bending deformation of the support column is too large, which is not conducive to the vertical adjustment of the support column

The guide sleeve method is easier to adjust the sag because the sleeve is shorter than the support column, and the sag adjustment effect is better. However, since the guide sleeve is outside the support column, the hole diameter will inevitably increase and the construction workload will be increased.

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