A construction method for correcting the torsion of a large overwater caisson

Abstract

This application relates to a construction method for correcting the torsion of a large-scale floating caisson, and relates to the technical field of caisson construction. By calculating the preset torque suffered by the caisson based on the standard value of the preset uneven earth pressure on the outer wall of the caisson, it can be determined According to the torsion of the caisson, set the riprap area and / or dredging area on the outer wall of the caisson, and determine the riprap height of the riprap area and / or the dredging depth of the dredging area according to the preset torque, and finally carry out the riprap area. Stone operation and / or dredging operation, so that the caisson is subjected to a torque with the same magnitude and opposite direction as the preset torque, so as to correct the torsion of the caisson and ensure that the actual structural parameters of the bridge can meet the design parameters, thereby improving the stability of the bridge and safety; moreover, it also provides a variety of different construction schemes to meet different construction conditions. Therefore, the embodiment of the present application can not only correct the torsion of caissons in different soil properties, but also has simple and high-efficiency construction, and can also meet different construction conditions.

Description

Technical field [0001] The present application relates to the technical field of sinking well construction, in particular to a large water sinking well torsion correction construction method. Background [0002] With the development of the economy, the construction of large-scale deep-water bridges has gradually increased, and the construction technology of large-scale bridges has been continuously innovated and rapidly developed, and the sinking foundation has been widely used in the field of bridge engineering due to its large stiffness and simple construction. According to the natural conditions of the sinking well pier, it can be divided into two types: land sinking well and water sinking well, of which the water sinking well construction will first be manufactured and formed in the factory, and then floated to the pier position, and then with the help of the self-weight of the sinking well and the pouring of the well wall concrete to overcome the buoyancy, end resistance and...

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present application provides a construction method for correcting the torsion of a large-scale caisson on water to solve the problem in the related art that the structural parameters of the bridge cannot meet the design parameters due to the torsion of the caisson

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